From ae4fda82b026ae6e2b003c1105f329b7e76582b0 Mon Sep 17 00:00:00 2001 From: Daniel Stokes Date: Tue, 1 May 2012 02:50:17 +0000 Subject: Merging phase 1 of the BGE Harmony branch: * Shadow color now usable in the BGE * Simplified the shadow panel while "Blender Game" renderer is active * Added variance shadow maps for the BGE * Buffered shadows on sun lamps in the BGE (orthographic) * Light textures in the BGE --- source/blender/blenkernel/intern/lamp.c | 1 + source/blender/blenloader/intern/readfile.c | 9 + source/blender/gpu/CMakeLists.txt | 9 +- source/blender/gpu/GPU_extensions.h | 11 + source/blender/gpu/GPU_material.h | 1 + source/blender/gpu/SConscript | 1 + source/blender/gpu/intern/gpu_codegen.c | 2 + source/blender/gpu/intern/gpu_extensions.c | 131 +- source/blender/gpu/intern/gpu_material.c | 196 +- source/blender/gpu/intern/gpu_shader_material.glsl | 2154 ------------------- .../blender/gpu/intern/gpu_shader_material.glsl.c | 1553 -------------- source/blender/gpu/intern/gpu_shader_vertex.glsl | 12 - source/blender/gpu/intern/gpu_shader_vertex.glsl.c | 17 - .../blender/gpu/shaders/gpu_shader_material.glsl | 2197 ++++++++++++++++++++ .../blender/gpu/shaders/gpu_shader_material.glsl.c | 1658 +++++++++++++++ .../shaders/gpu_shader_sep_gaussian_blur_frag.glsl | 16 + .../gpu_shader_sep_gaussian_blur_frag.glsl.c | 33 + .../shaders/gpu_shader_sep_gaussian_blur_vert.glsl | 6 + .../gpu_shader_sep_gaussian_blur_vert.glsl.c | 9 + source/blender/gpu/shaders/gpu_shader_vertex.glsl | 12 + .../blender/gpu/shaders/gpu_shader_vertex.glsl.c | 14 + .../gpu/shaders/gpu_shader_vsm_store_frag.glsl | 21 + .../gpu/shaders/gpu_shader_vsm_store_frag.glsl.c | 22 + .../gpu/shaders/gpu_shader_vsm_store_vert.glsl | 7 + .../gpu/shaders/gpu_shader_vsm_store_vert.glsl.c | 10 + source/blender/makesdna/DNA_lamp_types.h | 10 +- source/blender/makesrna/intern/rna_lamp.c | 241 ++- source/gameengine/Ketsji/KX_Light.cpp | 17 + source/gameengine/Ketsji/KX_Light.h | 1 + source/gameengine/VideoTexture/Texture.cpp | 19 + 30 files changed, 4524 insertions(+), 3866 deletions(-) delete mode 100644 source/blender/gpu/intern/gpu_shader_material.glsl delete mode 100644 source/blender/gpu/intern/gpu_shader_material.glsl.c delete mode 100644 source/blender/gpu/intern/gpu_shader_vertex.glsl delete mode 100644 source/blender/gpu/intern/gpu_shader_vertex.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_material.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_material.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_vertex.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_vertex.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl.c create mode 100644 source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl create mode 100644 source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl.c (limited to 'source') diff --git a/source/blender/blenkernel/intern/lamp.c b/source/blender/blenkernel/intern/lamp.c index e981d772df6..11c3269ad37 100644 --- a/source/blender/blenkernel/intern/lamp.c +++ b/source/blender/blenkernel/intern/lamp.c @@ -96,6 +96,7 @@ void *add_lamp(const char *name) la->skyblendfac= 1.0f; la->sky_colorspace= BLI_XYZ_CIE; la->sky_exposure= 1.0f; + la->shadow_frustum_size= 10.0f; curvemapping_initialize(la->curfalloff); return la; diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c index 1dbdf7c9876..5dd0a1b996f 100644 --- a/source/blender/blenloader/intern/readfile.c +++ b/source/blender/blenloader/intern/readfile.c @@ -13343,6 +13343,15 @@ static void do_versions(FileData *fd, Library *lib, Main *main) } } } + + { + Lamp *la; + for (la= main->lamp.first; la; la= la->id.next) { + if (la->shadow_frustum_size == 0.0) + la->shadow_frustum_size= 10.0f; + } + } + /* WATCH IT!!!: pointers from libdata have not been converted yet here! */ /* WATCH IT 2!: Userdef struct init has to be in editors/interface/resources.c! */ diff --git a/source/blender/gpu/CMakeLists.txt b/source/blender/gpu/CMakeLists.txt index 01afc0e24eb..59e384cbd4b 100644 --- a/source/blender/gpu/CMakeLists.txt +++ b/source/blender/gpu/CMakeLists.txt @@ -50,8 +50,13 @@ set(SRC intern/gpu_draw.c intern/gpu_extensions.c intern/gpu_material.c - intern/gpu_shader_material.glsl.c - intern/gpu_shader_vertex.glsl.c + + shaders/gpu_shader_material.glsl.c + shaders/gpu_shader_vertex.glsl.c + shaders/gpu_shader_sep_gaussian_blur_frag.glsl.c + shaders/gpu_shader_sep_gaussian_blur_vert.glsl.c + shaders/gpu_shader_vsm_store_frag.glsl.c + shaders/gpu_shader_vsm_store_vert.glsl.c GPU_buffers.h GPU_draw.h diff --git a/source/blender/gpu/GPU_extensions.h b/source/blender/gpu/GPU_extensions.h index 5f541e2e8e6..d5ca95acae8 100644 --- a/source/blender/gpu/GPU_extensions.h +++ b/source/blender/gpu/GPU_extensions.h @@ -109,6 +109,7 @@ GPUTexture *GPU_texture_create_1D(int w, float *pixels, char err_out[256]); GPUTexture *GPU_texture_create_2D(int w, int h, float *pixels, char err_out[256]); GPUTexture *GPU_texture_create_3D(int w, int h, int depth, float *fpixels); GPUTexture *GPU_texture_create_depth(int w, int h, char err_out[256]); +GPUTexture *GPU_texture_create_vsm_shadow_map(int size, char err_out[256]); GPUTexture *GPU_texture_from_blender(struct Image *ima, struct ImageUser *iuser, double time, int mipmap); void GPU_texture_free(GPUTexture *tex); @@ -140,6 +141,7 @@ void GPU_framebuffer_texture_unbind(GPUFrameBuffer *fb, GPUTexture *tex); void GPU_framebuffer_free(GPUFrameBuffer *fb); void GPU_framebuffer_restore(void); +void GPU_framebuffer_blur(GPUFrameBuffer *fb, GPUTexture *tex, GPUFrameBuffer *blurfb, GPUTexture *blurtex); /* GPU OffScreen * - wrapper around framebuffer and texture for simple offscreen drawing @@ -169,6 +171,15 @@ void GPU_shader_uniform_texture(GPUShader *shader, int location, GPUTexture *tex int GPU_shader_get_attribute(GPUShader *shader, const char *name); +/* Builtin/Non-generated shaders */ +typedef enum GPUBuiltinShader { + GPU_SHADER_VSM_STORE = (1<<0), + GPU_SHADER_SEP_GAUSSIAN_BLUR = (1<<1), +} GPUBuiltinShader; + +GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader); +void GPU_shader_free_builtin_shaders(); + /* Vertex attributes for shaders */ #define GPU_MAX_ATTRIB 32 diff --git a/source/blender/gpu/GPU_material.h b/source/blender/gpu/GPU_material.h index 33c5d474932..7f5ae0ba2a1 100644 --- a/source/blender/gpu/GPU_material.h +++ b/source/blender/gpu/GPU_material.h @@ -225,6 +225,7 @@ GPULamp *GPU_lamp_from_blender(struct Scene *scene, struct Object *ob, struct Ob void GPU_lamp_free(struct Object *ob); int GPU_lamp_has_shadow_buffer(GPULamp *lamp); +void GPU_lamp_update_buffer_mats(GPULamp *lamp); void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize, float winmat[][4]); void GPU_lamp_shadow_buffer_unbind(GPULamp *lamp); diff --git a/source/blender/gpu/SConscript b/source/blender/gpu/SConscript index 11b0ee5f9fa..cf1c91f25fe 100644 --- a/source/blender/gpu/SConscript +++ b/source/blender/gpu/SConscript @@ -2,6 +2,7 @@ Import ('env') sources = env.Glob('intern/*.c') +sources += env.Glob('shaders/*.c') defs = [ 'GLEW_STATIC' ] diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c index 4113344760b..4f7fc3639f4 100644 --- a/source/blender/gpu/intern/gpu_codegen.c +++ b/source/blender/gpu/intern/gpu_codegen.c @@ -258,6 +258,8 @@ void GPU_codegen_exit(void) FUNCTION_HASH = NULL; } + GPU_shader_free_builtin_shaders(); + if (glsl_material_library) { MEM_freeN(glsl_material_library); glsl_material_library = NULL; diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c index 83d9619f217..c15366c4976 100644 --- a/source/blender/gpu/intern/gpu_extensions.c +++ b/source/blender/gpu/intern/gpu_extensions.c @@ -67,6 +67,17 @@ * - arb draw buffers? 2.0 core */ +/* Non-generated shaders */ +extern char datatoc_gpu_shader_vsm_store_vert_glsl[]; +extern char datatoc_gpu_shader_vsm_store_frag_glsl[]; +extern char datatoc_gpu_shader_sep_gaussian_blur_vert_glsl[]; +extern char datatoc_gpu_shader_sep_gaussian_blur_frag_glsl[]; + +typedef struct GPUShaders { + GPUShader *vsm_store; + GPUShader *sep_gaussian_blur; +} GPUShaders; + static struct GPUGlobal { GLint maxtextures; GLuint currentfb; @@ -77,7 +88,8 @@ static struct GPUGlobal { GPUDeviceType device; GPUOSType os; GPUDriverType driver; -} GG = {1, 0, 0, 0, 0}; + GPUShaders shaders; +} GG = {1, 0}; /* GPU Types */ @@ -588,6 +600,25 @@ GPUTexture *GPU_texture_create_depth(int w, int h, char err_out[256]) return tex; } +/** + * A shadow map for VSM needs two components (depth and depth^2) + */ +GPUTexture *GPU_texture_create_vsm_shadow_map(int size, char err_out[256]) +{ + GPUTexture *tex = GPU_texture_create_nD(size, size, 2, NULL, 0, err_out); + + if (tex) { + /* Now we tweak some of the settings */ + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RG32F, size, size, 0, GL_RG, GL_FLOAT, 0); + + GPU_texture_unbind(tex); + } + + return tex; +} + void GPU_texture_bind(GPUTexture *tex, int number) { GLenum arbnumber; @@ -846,6 +877,65 @@ void GPU_framebuffer_restore(void) } } +void GPU_framebuffer_blur(GPUFrameBuffer *fb, GPUTexture *tex, GPUFrameBuffer *blurfb, GPUTexture *blurtex) +{ + float scaleh[2] = {1.0f/GPU_texture_opengl_width(blurtex), 0.0f}; + float scalev[2] = {0.0f, 1.0f/GPU_texture_opengl_height(tex)}; + + GPUShader *blur_shader = GPU_shader_get_builtin_shader(GPU_SHADER_SEP_GAUSSIAN_BLUR); + int scale_uniform, texture_source_uniform; + + if (!blur_shader) + return; + + scale_uniform = GPU_shader_get_uniform(blur_shader, "ScaleU"); + texture_source_uniform = GPU_shader_get_uniform(blur_shader, "textureSource"); + + /* Blurring horizontally */ + + /* We do the bind ourselves rather than using GPU_framebuffer_texture_bind() to avoid + pushing unnecessary matrices onto the OpenGL stack. */ + glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, blurfb->object); + + GPU_shader_bind(blur_shader); + GPU_shader_uniform_vector(blur_shader, scale_uniform, 2, 1, (float*)scaleh); + GPU_shader_uniform_texture(blur_shader, texture_source_uniform, tex); + glViewport(0, 0, GPU_texture_opengl_width(blurtex), GPU_texture_opengl_height(blurtex)); + + /* Peparing to draw quad */ + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + + GPU_texture_bind(tex, 0); + + /* Drawing quad */ + glBegin(GL_QUADS); + glTexCoord2d(0,0);glVertex2f(1,1); + glTexCoord2d(1,0);glVertex2f(-1,1); + glTexCoord2d(1,1);glVertex2f(-1,-1); + glTexCoord2d(0,1);glVertex2f(1,-1); + glEnd(); + + /* Blurring vertically */ + + glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb->object); + glViewport(0, 0, GPU_texture_opengl_width(tex), GPU_texture_opengl_height(tex)); + GPU_shader_uniform_vector(blur_shader, scale_uniform, 2, 1, (float*)scalev); + GPU_shader_uniform_texture(blur_shader, texture_source_uniform, blurtex); + GPU_texture_bind(blurtex, 0); + glBegin(GL_QUADS); + glTexCoord2d(0,0);glVertex2f(1,1); + glTexCoord2d(1,0);glVertex2f(-1,1); + glTexCoord2d(1,1);glVertex2f(-1,-1); + glTexCoord2d(0,1);glVertex2f(1,-1); + glEnd(); + GPU_shader_unbind(blur_shader); +} + /* GPUOffScreen */ struct GPUOffScreen { @@ -1173,6 +1263,45 @@ int GPU_shader_get_attribute(GPUShader *shader, const char *name) return index; } +GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) +{ + GPUShader *retval = NULL; + + switch (shader) + { + case GPU_SHADER_VSM_STORE: + if (!GG.shaders.vsm_store) + GG.shaders.vsm_store = GPU_shader_create(datatoc_gpu_shader_vsm_store_vert_glsl, datatoc_gpu_shader_vsm_store_frag_glsl, NULL); + retval = GG.shaders.vsm_store; + break; + case GPU_SHADER_SEP_GAUSSIAN_BLUR: + if (!GG.shaders.sep_gaussian_blur) + GG.shaders.sep_gaussian_blur = GPU_shader_create(datatoc_gpu_shader_sep_gaussian_blur_vert_glsl, datatoc_gpu_shader_sep_gaussian_blur_frag_glsl, NULL); + retval = GG.shaders.sep_gaussian_blur; + break; + } + + if (retval == NULL) + printf("Unable to create a GPUShader for builtin shader: %d\n", shader); + + return retval; +} + +void GPU_shader_free_builtin_shaders() +{ + if (GG.shaders.vsm_store) + { + MEM_freeN(GG.shaders.vsm_store); + GG.shaders.vsm_store = NULL; + } + + if (GG.shaders.sep_gaussian_blur) + { + MEM_freeN(GG.shaders.sep_gaussian_blur); + GG.shaders.sep_gaussian_blur = NULL; + } +} + #if 0 /* GPUPixelBuffer */ diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c index 248ab9544e0..5f046806beb 100644 --- a/source/blender/gpu/intern/gpu_material.c +++ b/source/blender/gpu/intern/gpu_material.c @@ -118,6 +118,7 @@ struct GPULamp { float spotsi, spotbl, k; float dist, att1, att2; + float shadow_color[3]; float bias, d, clipend; int size; @@ -131,11 +132,17 @@ struct GPULamp { float dynpersmat[4][4]; GPUFrameBuffer *fb; + GPUFrameBuffer *blurfb; GPUTexture *tex; + GPUTexture *depthtex; + GPUTexture *blurtex; ListBase materials; }; +/* Forward declaration so shade_light_textures() can use this, while still keeping the code somewhat organized */ +static void texture_rgb_blend(GPUMaterial *mat, GPUNodeLink *tex, GPUNodeLink *out, GPUNodeLink *fact, GPUNodeLink *facg, int blendtype, GPUNodeLink **in); + /* Functions */ static GPUMaterial *GPU_material_construct_begin(Material *ma) @@ -323,7 +330,11 @@ void GPU_material_bind_uniforms(GPUMaterial *material, float obmat[][4], float v if (material->dynproperty & DYN_LAMP_IMAT) mult_m4_m4m4(lamp->dynimat, lamp->imat, viewinv); if (material->dynproperty & DYN_LAMP_PERSMAT) + { + if (!GPU_lamp_has_shadow_buffer(lamp)) /* The lamp matrices are already updated if we're using shadow buffers */ + GPU_lamp_update_buffer_mats(lamp); mult_m4_m4m4(lamp->dynpersmat, lamp->persmat, viewinv); + } } GPU_pass_update_uniforms(material->pass); @@ -614,12 +625,35 @@ static void add_user_list(ListBase *list, void *data) BLI_addtail(list, link); } +static void shade_light_textures(GPUMaterial *mat, GPULamp *lamp, GPUNodeLink **rgb) +{ + GPUNodeLink *tex_rgb; + MTex *mtex = NULL; + int i; + float one = 1.f; + + for (i=0; ila->mtex[i]; + + if (mtex && mtex->tex->type & TEX_IMAGE && mtex->tex->ima) { + mat->dynproperty |= DYN_LAMP_PERSMAT; + + GPU_link(mat, "shade_light_texture", + GPU_builtin(GPU_VIEW_POSITION), + GPU_image(mtex->tex->ima, &mtex->tex->iuser), + GPU_dynamic_uniform((float*)lamp->dynpersmat, GPU_DYNAMIC_LAMP_DYNPERSMAT, lamp->ob), + &tex_rgb); + texture_rgb_blend(mat, tex_rgb, *rgb, GPU_uniform(&one), GPU_uniform(&mtex->colfac), mtex->blendtype, rgb); + } + } +} + static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *lamp) { Material *ma= shi->mat; GPUMaterial *mat= shi->gpumat; GPUNodeLink *lv, *dist, *visifac, *is, *inp, *i, *vn, *view; - GPUNodeLink *outcol, *specfac, *t, *shadfac= NULL; + GPUNodeLink *outcol, *specfac, *t, *shadfac= NULL, *lcol; float one = 1.0f; if ((lamp->mode & LA_ONLYSHADOW) && !(ma->mode & MA_SHADOW)) @@ -670,6 +704,9 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la i = is; GPU_link(mat, "shade_visifac", i, visifac, shi->refl, &i); + + GPU_link(mat, "shade_mul_value", i, GPU_dynamic_uniform(lamp->dyncol, GPU_DYNAMIC_LAMP_DYNCOL, lamp->ob), &lcol); + shade_light_textures(mat, lamp, &lcol); #if 0 if (ma->mode & MA_TANGENT_VN) @@ -682,20 +719,29 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la if ((ma->mode & MA_SHADOW) && GPU_lamp_has_shadow_buffer(lamp)) { if (!(mat->scene->gm.flag & GAME_GLSL_NO_SHADOWS)) { mat->dynproperty |= DYN_LAMP_PERSMAT; - - GPU_link(mat, "test_shadowbuf", - GPU_builtin(GPU_VIEW_POSITION), - GPU_dynamic_texture(lamp->tex, GPU_DYNAMIC_SAMPLER_2DSHADOW, lamp->ob), - GPU_dynamic_uniform((float*)lamp->dynpersmat, GPU_DYNAMIC_LAMP_DYNPERSMAT, lamp->ob), - GPU_uniform(&lamp->bias), inp, &shadfac); + + if (lamp->la->shadowmap_type == LA_SHADMAP_VARIANCE) { + GPU_link(mat, "test_shadowbuf_vsm", + GPU_builtin(GPU_VIEW_POSITION), + GPU_dynamic_texture(lamp->tex, GPU_DYNAMIC_SAMPLER_2DSHADOW, lamp->ob), + GPU_dynamic_uniform((float*)lamp->dynpersmat, GPU_DYNAMIC_LAMP_DYNPERSMAT, lamp->ob), + GPU_uniform(&lamp->bias), GPU_uniform(&lamp->la->bleedbias), inp, &shadfac); + } else { + GPU_link(mat, "test_shadowbuf", + GPU_builtin(GPU_VIEW_POSITION), + GPU_dynamic_texture(lamp->tex, GPU_DYNAMIC_SAMPLER_2DSHADOW, lamp->ob), + GPU_dynamic_uniform((float*)lamp->dynpersmat, GPU_DYNAMIC_LAMP_DYNPERSMAT, lamp->ob), + GPU_uniform(&lamp->bias), inp, &shadfac); + } if (lamp->mode & LA_ONLYSHADOW) { GPU_link(mat, "shade_only_shadow", i, shadfac, GPU_dynamic_uniform(&lamp->dynenergy, GPU_DYNAMIC_LAMP_DYNENERGY, lamp->ob), &shadfac); - if (!(lamp->mode & LA_NO_DIFF)) - GPU_link(mat, "shade_only_shadow_diffuse", shadfac, shi->rgb, - shr->diff, &shr->diff); + if (!(lamp->mode & LA_NO_DIFF)) { + GPU_link(mat, "mix_mult", shadfac, shr->diff, + GPU_uniform(lamp->shadow_color), &shr->diff); + } if (!(lamp->mode & LA_NO_SPEC)) GPU_link(mat, "shade_only_shadow_specular", shadfac, shi->specrgb, @@ -705,8 +751,6 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la add_user_list(&lamp->materials, shi->gpumat->ma); return; } - - GPU_link(mat, "math_multiply", i, shadfac, &i); } } else if ((mat->scene->gm.flag & GAME_GLSL_NO_SHADOWS) && (lamp->mode & LA_ONLYSHADOW)) { @@ -720,8 +764,11 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la if (GPU_link_changed(shi->refl) || ma->ref != 0.0f) { if (!(lamp->mode & LA_NO_DIFF)) { GPUNodeLink *rgb; - GPU_link(mat, "shade_mul_value", i, GPU_dynamic_uniform(lamp->dyncol, GPU_DYNAMIC_LAMP_DYNCOL, lamp->ob), &rgb); - add_to_diffuse(mat, ma, shi, is, rgb, &shr->diff); + GPU_link(mat, "shade_mul_value", i, lcol, &rgb); + GPU_link(mat, "mtex_value_invert", shadfac, &shadfac); + GPU_link(mat, "mix_mult", shadfac, rgb, GPU_uniform(lamp->shadow_color), &rgb); + GPU_link(mat, "mtex_value_invert", shadfac, &shadfac); + add_to_diffuse(mat, ma, shi, is, rgb, &shr->diff); } } @@ -730,7 +777,7 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la (GPU_link_changed(shi->spec) || ma->spec != 0.0f)) { if (lamp->type == LA_HEMI) { GPU_link(mat, "shade_hemi_spec", vn, lv, view, GPU_uniform(&ma->spec), shi->har, visifac, &t); - GPU_link(mat, "shade_add_spec", t, GPU_dynamic_uniform(lamp->dyncol, GPU_DYNAMIC_LAMP_DYNCOL, lamp->ob), shi->specrgb, &outcol); + GPU_link(mat, "shade_add_spec", t, lcol, shi->specrgb, &outcol); GPU_link(mat, "shade_add_clamped", shr->spec, outcol, &shr->spec); } else { @@ -748,16 +795,16 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la if (lamp->type==LA_AREA) GPU_link(mat, "shade_spec_area_inp", specfac, inp, &specfac); - GPU_link(mat, "shade_spec_t", shadfac, shi->spec, visifac, specfac, &t); + GPU_link(mat, "shade_spec_t", shadfac, shi->spec, visifac, specfac, &t); if (ma->mode & MA_RAMP_SPEC) { GPUNodeLink *spec; do_specular_ramp(shi, specfac, t, &spec); - GPU_link(mat, "shade_add_spec", t, GPU_dynamic_uniform(lamp->dyncol, GPU_DYNAMIC_LAMP_DYNCOL, lamp->ob), spec, &outcol); + GPU_link(mat, "shade_add_spec", t, lcol, spec, &outcol); GPU_link(mat, "shade_add_clamped", shr->spec, outcol, &shr->spec); } else { - GPU_link(mat, "shade_add_spec", t, GPU_dynamic_uniform(lamp->dyncol, GPU_DYNAMIC_LAMP_DYNCOL, lamp->ob), shi->specrgb, &outcol); + GPU_link(mat, "shade_add_spec", t, lcol, shi->specrgb, &outcol); GPU_link(mat, "shade_add_clamped", shr->spec, outcol, &shr->spec); } } @@ -1562,12 +1609,17 @@ static void gpu_lamp_from_blender(Scene *scene, Object *ob, Object *par, Lamp *l lamp->bias *= 0.25f; /* makeshadowbuf */ - angle= saacos(lamp->spotsi); - temp= 0.5f*lamp->size*cosf(angle)/sinf(angle); - pixsize= (lamp->d)/temp; - wsize= pixsize*0.5f*lamp->size; - - perspective_m4(lamp->winmat, -wsize, wsize, -wsize, wsize, lamp->d, lamp->clipend); + if (lamp->type == LA_SUN) { + wsize = la->shadow_frustum_size; + orthographic_m4( lamp->winmat,-wsize, wsize, -wsize, wsize, lamp->d, lamp->clipend); + } + else { + angle= saacos(lamp->spotsi); + temp= 0.5f*lamp->size*cosf(angle)/sinf(angle); + pixsize= (lamp->d)/temp; + wsize= pixsize*0.5f*lamp->size; + perspective_m4(lamp->winmat, -wsize, wsize, -wsize, wsize, lamp->d, lamp->clipend); + } } static void gpu_lamp_shadow_free(GPULamp *lamp) @@ -1576,10 +1628,22 @@ static void gpu_lamp_shadow_free(GPULamp *lamp) GPU_texture_free(lamp->tex); lamp->tex= NULL; } + if (lamp->depthtex) { + GPU_texture_free(lamp->depthtex); + lamp->depthtex= NULL; + } if (lamp->fb) { GPU_framebuffer_free(lamp->fb); lamp->fb= NULL; } + if(lamp->blurtex) { + GPU_texture_free(lamp->blurtex); + lamp->blurtex= NULL; + } + if(lamp->blurfb) { + GPU_framebuffer_free(lamp->blurfb); + lamp->blurfb= NULL; + } } GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par) @@ -1604,7 +1668,7 @@ GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par) la = ob->data; gpu_lamp_from_blender(scene, ob, par, la, lamp); - if (la->type==LA_SPOT && (la->mode & LA_SHAD_BUF)) { + if ((la->type==LA_SPOT || la->type==LA_SUN) && (la->mode & LA_SHAD_BUF)) { /* opengl */ lamp->fb = GPU_framebuffer_create(); if (!lamp->fb) { @@ -1612,18 +1676,72 @@ GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par) return lamp; } - lamp->tex = GPU_texture_create_depth(lamp->size, lamp->size, NULL); - if (!lamp->tex) { - gpu_lamp_shadow_free(lamp); - return lamp; + if (lamp->la->shadowmap_type == LA_SHADMAP_VARIANCE) { + /* Shadow depth map */ + lamp->depthtex = GPU_texture_create_depth(lamp->size, lamp->size, NULL); + if (!lamp->depthtex) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + if (!GPU_framebuffer_texture_attach(lamp->fb, lamp->depthtex, NULL)) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + /* Shadow color map */ + lamp->tex = GPU_texture_create_vsm_shadow_map(lamp->size, NULL); + if (!lamp->tex) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + if (!GPU_framebuffer_texture_attach(lamp->fb, lamp->tex, NULL)) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + /* FBO and texture for blurring */ + lamp->blurfb = GPU_framebuffer_create(); + if (!lamp->blurfb) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + lamp->blurtex = GPU_texture_create_vsm_shadow_map(lamp->size*0.5, NULL); + if (!lamp->blurtex) { + gpu_lamp_shadow_free(lamp); + return lamp; + } + + if (!GPU_framebuffer_texture_attach(lamp->blurfb, lamp->blurtex, NULL)) { + gpu_lamp_shadow_free(lamp); + return lamp; + } } + else { + lamp->tex = GPU_texture_create_depth(lamp->size, lamp->size, NULL); + if(!lamp->tex) { + gpu_lamp_shadow_free(lamp); + return lamp; + } - if (!GPU_framebuffer_texture_attach(lamp->fb, lamp->tex, NULL)) { - gpu_lamp_shadow_free(lamp); - return lamp; + if (!GPU_framebuffer_texture_attach(lamp->fb, lamp->tex, NULL)) { + gpu_lamp_shadow_free(lamp); + return lamp; + } } GPU_framebuffer_restore(); + + lamp->shadow_color[0] = la->shdwr; + lamp->shadow_color[1] = la->shdwg; + lamp->shadow_color[2] = la->shdwb; + } + else { + lamp->shadow_color[0] = 1.0; + lamp->shadow_color[1] = 1.0; + lamp->shadow_color[2] = 1.0; } return lamp; @@ -1663,7 +1781,7 @@ int GPU_lamp_has_shadow_buffer(GPULamp *lamp) lamp->tex && lamp->fb); } -void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize, float winmat[][4]) +void GPU_lamp_update_buffer_mats(GPULamp *lamp) { float rangemat[4][4], persmat[4][4]; @@ -1686,11 +1804,18 @@ void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize rangemat[3][2] = 0.5f; mult_m4_m4m4(lamp->persmat, rangemat, persmat); +} + +void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize, float winmat[][4]) +{ + GPU_lamp_update_buffer_mats(lamp); /* opengl */ glDisable(GL_SCISSOR_TEST); GPU_framebuffer_texture_bind(lamp->fb, lamp->tex, GPU_texture_opengl_width(lamp->tex), GPU_texture_opengl_height(lamp->tex)); + if(lamp->la->shadowmap_type == LA_SHADMAP_VARIANCE) + GPU_shader_bind(GPU_shader_get_builtin_shader(GPU_SHADER_VSM_STORE)); /* set matrices */ copy_m4_m4(viewmat, lamp->viewmat); @@ -1700,6 +1825,11 @@ void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize void GPU_lamp_shadow_buffer_unbind(GPULamp *lamp) { + if(lamp->la->shadowmap_type == LA_SHADMAP_VARIANCE) { + GPU_shader_unbind(GPU_shader_get_builtin_shader(GPU_SHADER_VSM_STORE)); + GPU_framebuffer_blur(lamp->fb, lamp->tex, lamp->blurfb, lamp->blurtex); + } + GPU_framebuffer_texture_unbind(lamp->fb, lamp->tex); GPU_framebuffer_restore(); glEnable(GL_SCISSOR_TEST); diff --git a/source/blender/gpu/intern/gpu_shader_material.glsl b/source/blender/gpu/intern/gpu_shader_material.glsl deleted file mode 100644 index 76dacd4a10d..00000000000 --- a/source/blender/gpu/intern/gpu_shader_material.glsl +++ /dev/null @@ -1,2154 +0,0 @@ - -float exp_blender(float f) -{ - return pow(2.71828182846, f); -} - -void rgb_to_hsv(vec4 rgb, out vec4 outcol) -{ - float cmax, cmin, h, s, v, cdelta; - vec3 c; - - cmax = max(rgb[0], max(rgb[1], rgb[2])); - cmin = min(rgb[0], min(rgb[1], rgb[2])); - cdelta = cmax-cmin; - - v = cmax; - if (cmax!=0.0) - s = cdelta/cmax; - else { - s = 0.0; - h = 0.0; - } - - if (s == 0.0) { - h = 0.0; - } - else { - c = (vec3(cmax, cmax, cmax) - rgb.xyz)/cdelta; - - if (rgb.x==cmax) h = c[2] - c[1]; - else if (rgb.y==cmax) h = 2.0 + c[0] - c[2]; - else h = 4.0 + c[1] - c[0]; - - h /= 6.0; - - if (h<0.0) - h += 1.0; - } - - outcol = vec4(h, s, v, rgb.w); -} - -void hsv_to_rgb(vec4 hsv, out vec4 outcol) -{ - float i, f, p, q, t, h, s, v; - vec3 rgb; - - h = hsv[0]; - s = hsv[1]; - v = hsv[2]; - - if(s==0.0) { - rgb = vec3(v, v, v); - } - else { - if(h==1.0) - h = 0.0; - - h *= 6.0; - i = floor(h); - f = h - i; - rgb = vec3(f, f, f); - p = v*(1.0-s); - q = v*(1.0-(s*f)); - t = v*(1.0-(s*(1.0-f))); - - if (i == 0.0) rgb = vec3(v, t, p); - else if (i == 1.0) rgb = vec3(q, v, p); - else if (i == 2.0) rgb = vec3(p, v, t); - else if (i == 3.0) rgb = vec3(p, q, v); - else if (i == 4.0) rgb = vec3(t, p, v); - else rgb = vec3(v, p, q); - } - - outcol = vec4(rgb, hsv.w); -} - -float srgb_to_linearrgb(float c) -{ - if(c < 0.04045) - return (c < 0.0)? 0.0: c * (1.0/12.92); - else - return pow((c + 0.055)*(1.0/1.055), 2.4); -} - -float linearrgb_to_srgb(float c) -{ - if(c < 0.0031308) - return (c < 0.0)? 0.0: c * 12.92; - else - return 1.055 * pow(c, 1.0/2.4) - 0.055; -} - -void srgb_to_linearrgb(vec4 col_from, out vec4 col_to) -{ - col_to.r = srgb_to_linearrgb(col_from.r); - col_to.g = srgb_to_linearrgb(col_from.g); - col_to.b = srgb_to_linearrgb(col_from.b); - col_to.a = col_from.a; -} - -void linearrgb_to_srgb(vec4 col_from, out vec4 col_to) -{ - col_to.r = linearrgb_to_srgb(col_from.r); - col_to.g = linearrgb_to_srgb(col_from.g); - col_to.b = linearrgb_to_srgb(col_from.b); - col_to.a = col_from.a; -} - -#define M_PI 3.14159265358979323846 -#define M_1_PI 0.31830988618379069 - -/*********** SHADER NODES ***************/ - -void vcol_attribute(vec4 attvcol, out vec4 vcol) -{ - vcol = vec4(attvcol.x/255.0, attvcol.y/255.0, attvcol.z/255.0, 1.0); -} - -void uv_attribute(vec2 attuv, out vec3 uv) -{ - uv = vec3(attuv*2.0 - vec2(1.0, 1.0), 0.0); -} - -void geom(vec3 co, vec3 nor, mat4 viewinvmat, vec3 attorco, vec2 attuv, vec4 attvcol, out vec3 global, out vec3 local, out vec3 view, out vec3 orco, out vec3 uv, out vec3 normal, out vec4 vcol, out float vcol_alpha, out float frontback) -{ - local = co; - view = normalize(local); - global = (viewinvmat*vec4(local, 1.0)).xyz; - orco = attorco; - uv_attribute(attuv, uv); - normal = -normalize(nor); /* blender render normal is negated */ - vcol_attribute(attvcol, vcol); - vcol_alpha = attvcol.a; - frontback = 1.0; -} - -void mapping(vec3 vec, mat4 mat, vec3 minvec, vec3 maxvec, float domin, float domax, out vec3 outvec) -{ - outvec = (mat * vec4(vec, 1.0)).xyz; - if(domin == 1.0) - outvec = max(outvec, minvec); - if(domax == 1.0) - outvec = min(outvec, maxvec); -} - -void camera(vec3 co, out vec3 outview, out float outdepth, out float outdist) -{ - outdepth = abs(co.z); - outdist = length(co); - outview = normalize(co); -} - -void math_add(float val1, float val2, out float outval) -{ - outval = val1 + val2; -} - -void math_subtract(float val1, float val2, out float outval) -{ - outval = val1 - val2; -} - -void math_multiply(float val1, float val2, out float outval) -{ - outval = val1 * val2; -} - -void math_divide(float val1, float val2, out float outval) -{ - if (val2 == 0.0) - outval = 0.0; - else - outval = val1 / val2; -} - -void math_sine(float val, out float outval) -{ - outval = sin(val); -} - -void math_cosine(float val, out float outval) -{ - outval = cos(val); -} - -void math_tangent(float val, out float outval) -{ - outval = tan(val); -} - -void math_asin(float val, out float outval) -{ - if (val <= 1.0 && val >= -1.0) - outval = asin(val); - else - outval = 0.0; -} - -void math_acos(float val, out float outval) -{ - if (val <= 1.0 && val >= -1.0) - outval = acos(val); - else - outval = 0.0; -} - -void math_atan(float val, out float outval) -{ - outval = atan(val); -} - -void math_pow(float val1, float val2, out float outval) -{ - if (val1 >= 0.0) - outval = pow(val1, val2); - else - outval = 0.0; -} - -void math_log(float val1, float val2, out float outval) -{ - if(val1 > 0.0 && val2 > 0.0) - outval= log2(val1) / log2(val2); - else - outval= 0.0; -} - -void math_max(float val1, float val2, out float outval) -{ - outval = max(val1, val2); -} - -void math_min(float val1, float val2, out float outval) -{ - outval = min(val1, val2); -} - -void math_round(float val, out float outval) -{ - outval= floor(val + 0.5); -} - -void math_less_than(float val1, float val2, out float outval) -{ - if(val1 < val2) - outval = 1.0; - else - outval = 0.0; -} - -void math_greater_than(float val1, float val2, out float outval) -{ - if(val1 > val2) - outval = 1.0; - else - outval = 0.0; -} - -void squeeze(float val, float width, float center, out float outval) -{ - outval = 1.0/(1.0 + pow(2.71828183, -((val-center)*width))); -} - -void vec_math_add(vec3 v1, vec3 v2, out vec3 outvec, out float outval) -{ - outvec = v1 + v2; - outval = (abs(outvec[0]) + abs(outvec[1]) + abs(outvec[2]))/3.0; -} - -void vec_math_sub(vec3 v1, vec3 v2, out vec3 outvec, out float outval) -{ - outvec = v1 - v2; - outval = (abs(outvec[0]) + abs(outvec[1]) + abs(outvec[2]))/3.0; -} - -void vec_math_average(vec3 v1, vec3 v2, out vec3 outvec, out float outval) -{ - outvec = v1 + v2; - outval = length(outvec); - outvec = normalize(outvec); -} - -void vec_math_dot(vec3 v1, vec3 v2, out vec3 outvec, out float outval) -{ - outvec = vec3(0, 0, 0); - outval = dot(v1, v2); -} - -void vec_math_cross(vec3 v1, vec3 v2, out vec3 outvec, out float outval) -{ - outvec = cross(v1, v2); - outval = length(outvec); -} - -void vec_math_normalize(vec3 v, out vec3 outvec, out float outval) -{ - outval = length(v); - outvec = normalize(v); -} - -void vec_math_negate(vec3 v, out vec3 outv) -{ - outv = -v; -} - -void normal(vec3 dir, vec3 nor, out vec3 outnor, out float outdot) -{ - outnor = nor; - outdot = -dot(dir, nor); -} - -void curves_vec(float fac, vec3 vec, sampler2D curvemap, out vec3 outvec) -{ - outvec.x = texture2D(curvemap, vec2((vec.x + 1.0)*0.5, 0.0)).x; - outvec.y = texture2D(curvemap, vec2((vec.y + 1.0)*0.5, 0.0)).y; - outvec.z = texture2D(curvemap, vec2((vec.z + 1.0)*0.5, 0.0)).z; - - if (fac != 1.0) - outvec = (outvec*fac) + (vec*(1.0-fac)); - -} - -void curves_rgb(float fac, vec4 col, sampler2D curvemap, out vec4 outcol) -{ - outcol.r = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.r, 0.0)).a, 0.0)).r; - outcol.g = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.g, 0.0)).a, 0.0)).g; - outcol.b = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.b, 0.0)).a, 0.0)).b; - - if (fac != 1.0) - outcol = (outcol*fac) + (col*(1.0-fac)); - - outcol.a = col.a; -} - -void set_value(float val, out float outval) -{ - outval = val; -} - -void set_rgb(vec3 col, out vec3 outcol) -{ - outcol = col; -} - -void set_rgba(vec4 col, out vec4 outcol) -{ - outcol = col; -} - -void set_value_zero(out float outval) -{ - outval = 0.0; -} - -void set_value_one(out float outval) -{ - outval = 1.0; -} - -void set_rgb_zero(out vec3 outval) -{ - outval = vec3(0.0); -} - -void set_rgba_zero(out vec4 outval) -{ - outval = vec4(0.0); -} - -void mix_blend(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = mix(col1, col2, fac); - outcol.a = col1.a; -} - -void mix_add(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = mix(col1, col1 + col2, fac); - outcol.a = col1.a; -} - -void mix_mult(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = mix(col1, col1 * col2, fac); - outcol.a = col1.a; -} - -void mix_screen(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = vec4(1.0) - (vec4(facm) + fac*(vec4(1.0) - col2))*(vec4(1.0) - col1); - outcol.a = col1.a; -} - -void mix_overlay(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = col1; - - if(outcol.r < 0.5) - outcol.r *= facm + 2.0*fac*col2.r; - else - outcol.r = 1.0 - (facm + 2.0*fac*(1.0 - col2.r))*(1.0 - outcol.r); - - if(outcol.g < 0.5) - outcol.g *= facm + 2.0*fac*col2.g; - else - outcol.g = 1.0 - (facm + 2.0*fac*(1.0 - col2.g))*(1.0 - outcol.g); - - if(outcol.b < 0.5) - outcol.b *= facm + 2.0*fac*col2.b; - else - outcol.b = 1.0 - (facm + 2.0*fac*(1.0 - col2.b))*(1.0 - outcol.b); -} - -void mix_sub(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = mix(col1, col1 - col2, fac); - outcol.a = col1.a; -} - -void mix_div(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = col1; - - if(col2.r != 0.0) outcol.r = facm*outcol.r + fac*outcol.r/col2.r; - if(col2.g != 0.0) outcol.g = facm*outcol.g + fac*outcol.g/col2.g; - if(col2.b != 0.0) outcol.b = facm*outcol.b + fac*outcol.b/col2.b; -} - -void mix_diff(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = mix(col1, abs(col1 - col2), fac); - outcol.a = col1.a; -} - -void mix_dark(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol.rgb = min(col1.rgb, col2.rgb*fac); - outcol.a = col1.a; -} - -void mix_light(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol.rgb = max(col1.rgb, col2.rgb*fac); - outcol.a = col1.a; -} - -void mix_dodge(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - outcol = col1; - - if(outcol.r != 0.0) { - float tmp = 1.0 - fac*col2.r; - if(tmp <= 0.0) - outcol.r = 1.0; - else if((tmp = outcol.r/tmp) > 1.0) - outcol.r = 1.0; - else - outcol.r = tmp; - } - if(outcol.g != 0.0) { - float tmp = 1.0 - fac*col2.g; - if(tmp <= 0.0) - outcol.g = 1.0; - else if((tmp = outcol.g/tmp) > 1.0) - outcol.g = 1.0; - else - outcol.g = tmp; - } - if(outcol.b != 0.0) { - float tmp = 1.0 - fac*col2.b; - if(tmp <= 0.0) - outcol.b = 1.0; - else if((tmp = outcol.b/tmp) > 1.0) - outcol.b = 1.0; - else - outcol.b = tmp; - } -} - -void mix_burn(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float tmp, facm = 1.0 - fac; - - outcol = col1; - - tmp = facm + fac*col2.r; - if(tmp <= 0.0) - outcol.r = 0.0; - else if((tmp = (1.0 - (1.0 - outcol.r)/tmp)) < 0.0) - outcol.r = 0.0; - else if(tmp > 1.0) - outcol.r = 1.0; - else - outcol.r = tmp; - - tmp = facm + fac*col2.g; - if(tmp <= 0.0) - outcol.g = 0.0; - else if((tmp = (1.0 - (1.0 - outcol.g)/tmp)) < 0.0) - outcol.g = 0.0; - else if(tmp > 1.0) - outcol.g = 1.0; - else - outcol.g = tmp; - - tmp = facm + fac*col2.b; - if(tmp <= 0.0) - outcol.b = 0.0; - else if((tmp = (1.0 - (1.0 - outcol.b)/tmp)) < 0.0) - outcol.b = 0.0; - else if(tmp > 1.0) - outcol.b = 1.0; - else - outcol.b = tmp; -} - -void mix_hue(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = col1; - - vec4 hsv, hsv2, tmp; - rgb_to_hsv(col2, hsv2); - - if(hsv2.y != 0.0) { - rgb_to_hsv(outcol, hsv); - hsv.x = hsv2.x; - hsv_to_rgb(hsv, tmp); - - outcol = mix(outcol, tmp, fac); - outcol.a = col1.a; - } -} - -void mix_sat(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = col1; - - vec4 hsv, hsv2; - rgb_to_hsv(outcol, hsv); - - if(hsv.y != 0.0) { - rgb_to_hsv(col2, hsv2); - - hsv.y = facm*hsv.y + fac*hsv2.y; - hsv_to_rgb(hsv, outcol); - } -} - -void mix_val(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - vec4 hsv, hsv2; - rgb_to_hsv(col1, hsv); - rgb_to_hsv(col2, hsv2); - - hsv.z = facm*hsv.z + fac*hsv2.z; - hsv_to_rgb(hsv, outcol); -} - -void mix_color(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - outcol = col1; - - vec4 hsv, hsv2, tmp; - rgb_to_hsv(col2, hsv2); - - if(hsv2.y != 0.0) { - rgb_to_hsv(outcol, hsv); - hsv.x = hsv2.x; - hsv.y = hsv2.y; - hsv_to_rgb(hsv, tmp); - - outcol = mix(outcol, tmp, fac); - outcol.a = col1.a; - } -} - -void mix_soft(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - float facm = 1.0 - fac; - - vec4 one= vec4(1.0); - vec4 scr= one - (one - col2)*(one - col1); - outcol = facm*col1 + fac*((one - col1)*col2*col1 + col1*scr); -} - -void mix_linear(float fac, vec4 col1, vec4 col2, out vec4 outcol) -{ - fac = clamp(fac, 0.0, 1.0); - - outcol = col1; - - if(col2.r > 0.5) - outcol.r= col1.r + fac*(2.0*(col2.r - 0.5)); - else - outcol.r= col1.r + fac*(2.0*(col2.r) - 1.0); - - if(col2.g > 0.5) - outcol.g= col1.g + fac*(2.0*(col2.g - 0.5)); - else - outcol.g= col1.g + fac*(2.0*(col2.g) - 1.0); - - if(col2.b > 0.5) - outcol.b= col1.b + fac*(2.0*(col2.b - 0.5)); - else - outcol.b= col1.b + fac*(2.0*(col2.b) - 1.0); -} - -void valtorgb(float fac, sampler2D colormap, out vec4 outcol, out float outalpha) -{ - outcol = texture2D(colormap, vec2(fac, 0.0)); - outalpha = outcol.a; -} - -void rgbtobw(vec4 color, out float outval) -{ - outval = color.r*0.35 + color.g*0.45 + color.b*0.2; /* keep these factors in sync with texture.h:RGBTOBW */ -} - -void invert(float fac, vec4 col, out vec4 outcol) -{ - outcol.xyz = mix(col.xyz, vec3(1.0, 1.0, 1.0) - col.xyz, fac); - outcol.w = col.w; -} - -void hue_sat(float hue, float sat, float value, float fac, vec4 col, out vec4 outcol) -{ - vec4 hsv; - - rgb_to_hsv(col, hsv); - - hsv[0] += (hue - 0.5); - if(hsv[0]>1.0) hsv[0]-=1.0; else if(hsv[0]<0.0) hsv[0]+= 1.0; - hsv[1] *= sat; - if(hsv[1]>1.0) hsv[1]= 1.0; else if(hsv[1]<0.0) hsv[1]= 0.0; - hsv[2] *= value; - if(hsv[2]>1.0) hsv[2]= 1.0; else if(hsv[2]<0.0) hsv[2]= 0.0; - - hsv_to_rgb(hsv, outcol); - - outcol = mix(col, outcol, fac); -} - -void separate_rgb(vec4 col, out float r, out float g, out float b) -{ - r = col.r; - g = col.g; - b = col.b; -} - -void combine_rgb(float r, float g, float b, out vec4 col) -{ - col = vec4(r, g, b, 1.0); -} - -void output_node(vec4 rgb, float alpha, out vec4 outrgb) -{ - outrgb = vec4(rgb.rgb, alpha); -} - -/*********** TEXTURES ***************/ - -void texture_flip_blend(vec3 vec, out vec3 outvec) -{ - outvec = vec.yxz; -} - -void texture_blend_lin(vec3 vec, out float outval) -{ - outval = (1.0+vec.x)/2.0; -} - -void texture_blend_quad(vec3 vec, out float outval) -{ - outval = max((1.0+vec.x)/2.0, 0.0); - outval *= outval; -} - -void texture_wood_sin(vec3 vec, out float value, out vec4 color, out vec3 normal) -{ - float a = sqrt(vec.x*vec.x + vec.y*vec.y + vec.z*vec.z)*20.0; - float wi = 0.5 + 0.5*sin(a); - - value = wi; - color = vec4(wi, wi, wi, 1.0); - normal = vec3(0.0, 0.0, 0.0); -} - -void texture_image(vec3 vec, sampler2D ima, out float value, out vec4 color, out vec3 normal) -{ - color = texture2D(ima, (vec.xy + vec2(1.0, 1.0))*0.5); - value = 1.0; - - normal.x = 2.0*(color.r - 0.5); - normal.y = 2.0*(0.5 - color.g); - normal.z = 2.0*(color.b - 0.5); -} - -/************* MTEX *****************/ - -void texco_orco(vec3 attorco, out vec3 orco) -{ - orco = attorco; -} - -void texco_uv(vec2 attuv, out vec3 uv) -{ - /* disabled for now, works together with leaving out mtex_2d_mapping - uv = vec3(attuv*2.0 - vec2(1.0, 1.0), 0.0); */ - uv = vec3(attuv, 0.0); -} - -void texco_norm(vec3 normal, out vec3 outnormal) -{ - /* corresponds to shi->orn, which is negated so cancels - out blender normal negation */ - outnormal = normalize(normal); -} - -void texco_tangent(vec4 tangent, out vec3 outtangent) -{ - outtangent = normalize(tangent.xyz); -} - -void texco_global(mat4 viewinvmat, vec3 co, out vec3 global) -{ - global = (viewinvmat*vec4(co, 1.0)).xyz; -} - -void texco_object(mat4 viewinvmat, mat4 obinvmat, vec3 co, out vec3 object) -{ - object = (obinvmat*(viewinvmat*vec4(co, 1.0))).xyz; -} - -void texco_refl(vec3 vn, vec3 view, out vec3 ref) -{ - ref = view - 2.0*dot(vn, view)*vn; -} - -void shade_norm(vec3 normal, out vec3 outnormal) -{ - /* blender render normal is negated */ - outnormal = -normalize(normal); -} - -void mtex_rgb_blend(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-fact; - - incol = fact*texcol + facm*outcol; -} - -void mtex_rgb_mul(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-facg; - - incol = (facm + fact*texcol)*outcol; -} - -void mtex_rgb_screen(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-facg; - - incol = vec3(1.0) - (vec3(facm) + fact*(vec3(1.0) - texcol))*(vec3(1.0) - outcol); -} - -void mtex_rgb_overlay(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-facg; - - if(outcol.r < 0.5) - incol.r = outcol.r*(facm + 2.0*fact*texcol.r); - else - incol.r = 1.0 - (facm + 2.0*fact*(1.0 - texcol.r))*(1.0 - outcol.r); - - if(outcol.g < 0.5) - incol.g = outcol.g*(facm + 2.0*fact*texcol.g); - else - incol.g = 1.0 - (facm + 2.0*fact*(1.0 - texcol.g))*(1.0 - outcol.g); - - if(outcol.b < 0.5) - incol.b = outcol.b*(facm + 2.0*fact*texcol.b); - else - incol.b = 1.0 - (facm + 2.0*fact*(1.0 - texcol.b))*(1.0 - outcol.b); -} - -void mtex_rgb_sub(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - incol = -fact*facg*texcol + outcol; -} - -void mtex_rgb_add(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - incol = fact*facg*texcol + outcol; -} - -void mtex_rgb_div(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-fact; - - if(texcol.r != 0.0) incol.r = facm*outcol.r + fact*outcol.r/texcol.r; - if(texcol.g != 0.0) incol.g = facm*outcol.g + fact*outcol.g/texcol.g; - if(texcol.b != 0.0) incol.b = facm*outcol.b + fact*outcol.b/texcol.b; -} - -void mtex_rgb_diff(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm; - - fact *= facg; - facm = 1.0-fact; - - incol = facm*outcol + fact*abs(texcol - outcol); -} - -void mtex_rgb_dark(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm, col; - - fact *= facg; - facm = 1.0-fact; - - col = fact*texcol.r; - if(col < outcol.r) incol.r = col; else incol.r = outcol.r; - col = fact*texcol.g; - if(col < outcol.g) incol.g = col; else incol.g = outcol.g; - col = fact*texcol.b; - if(col < outcol.b) incol.b = col; else incol.b = outcol.b; -} - -void mtex_rgb_light(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - float facm, col; - - fact *= facg; - facm = 1.0-fact; - - col = fact*texcol.r; - if(col > outcol.r) incol.r = col; else incol.r = outcol.r; - col = fact*texcol.g; - if(col > outcol.g) incol.g = col; else incol.g = outcol.g; - col = fact*texcol.b; - if(col > outcol.b) incol.b = col; else incol.b = outcol.b; -} - -void mtex_rgb_hue(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - vec4 col; - - mix_hue(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); - incol.rgb = col.rgb; -} - -void mtex_rgb_sat(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - vec4 col; - - mix_sat(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); - incol.rgb = col.rgb; -} - -void mtex_rgb_val(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - vec4 col; - - mix_val(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); - incol.rgb = col.rgb; -} - -void mtex_rgb_color(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) -{ - vec4 col; - - mix_color(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); - incol.rgb = col.rgb; -} - -void mtex_value_vars(inout float fact, float facg, out float facm) -{ - fact *= abs(facg); - facm = 1.0-fact; - - if(facg < 0.0) { - float tmp = fact; - fact = facm; - facm = tmp; - } -} - -void mtex_value_blend(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - incol = fact*texcol + facm*outcol; -} - -void mtex_value_mul(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - facm = 1.0 - facg; - incol = (facm + fact*texcol)*outcol; -} - -void mtex_value_screen(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - facm = 1.0 - facg; - incol = 1.0 - (facm + fact*(1.0 - texcol))*(1.0 - outcol); -} - -void mtex_value_sub(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - fact = -fact; - incol = fact*texcol + outcol; -} - -void mtex_value_add(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - fact = fact; - incol = fact*texcol + outcol; -} - -void mtex_value_div(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - if(texcol != 0.0) - incol = facm*outcol + fact*outcol/texcol; - else - incol = 0.0; -} - -void mtex_value_diff(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - incol = facm*outcol + fact*abs(texcol - outcol); -} - -void mtex_value_dark(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - float col = fact*texcol; - if(col < outcol) incol = col; else incol = outcol; -} - -void mtex_value_light(float outcol, float texcol, float fact, float facg, out float incol) -{ - float facm; - mtex_value_vars(fact, facg, facm); - - float col = fact*texcol; - if(col > outcol) incol = col; else incol = outcol; -} - -void mtex_value_clamp_positive(float fac, out float outfac) -{ - outfac = max(fac, 0.0); -} - -void mtex_value_clamp(float fac, out float outfac) -{ - outfac = clamp(fac, 0.0, 1.0); -} - -void mtex_har_divide(float har, out float outhar) -{ - outhar = har/128.0; -} - -void mtex_har_multiply_clamp(float har, out float outhar) -{ - har *= 128.0; - - if(har < 1.0) outhar = 1.0; - else if(har > 511.0) outhar = 511.0; - else outhar = har; -} - -void mtex_alpha_from_col(vec4 col, out float alpha) -{ - alpha = col.a; -} - -void mtex_alpha_to_col(vec4 col, float alpha, out vec4 outcol) -{ - outcol = vec4(col.rgb, alpha); -} - -void mtex_rgbtoint(vec4 rgb, out float intensity) -{ - intensity = dot(vec3(0.35, 0.45, 0.2), rgb.rgb); -} - -void mtex_value_invert(float invalue, out float outvalue) -{ - outvalue = 1.0 - invalue; -} - -void mtex_rgb_invert(vec4 inrgb, out vec4 outrgb) -{ - outrgb = vec4(vec3(1.0) - inrgb.rgb, inrgb.a); -} - -void mtex_value_stencil(float stencil, float intensity, out float outstencil, out float outintensity) -{ - float fact = intensity; - outintensity = intensity*stencil; - outstencil = stencil*fact; -} - -void mtex_rgb_stencil(float stencil, vec4 rgb, out float outstencil, out vec4 outrgb) -{ - float fact = rgb.a; - outrgb = vec4(rgb.rgb, rgb.a*stencil); - outstencil = stencil*fact; -} - -void mtex_mapping_ofs(vec3 texco, vec3 ofs, out vec3 outtexco) -{ - outtexco = texco + ofs; -} - -void mtex_mapping_size(vec3 texco, vec3 size, out vec3 outtexco) -{ - outtexco = size*texco; -} - -void mtex_2d_mapping(vec3 vec, out vec3 outvec) -{ - outvec = vec3(vec.xy*0.5 + vec2(0.5, 0.5), vec.z); -} - -void mtex_image(vec3 texco, sampler2D ima, out float value, out vec4 color) -{ - color = texture2D(ima, texco.xy); - value = 1.0; -} - -void mtex_normal(vec3 texco, sampler2D ima, out vec3 normal) -{ - // The invert of the red channel is to make - // the normal map compliant with the outside world. - // It needs to be done because in Blender - // the normal used points inward. - // Should this ever change this negate must be removed. - vec4 color = texture2D(ima, texco.xy); - normal = 2.0*(vec3(-color.r, color.g, color.b) - vec3(-0.5, 0.5, 0.5)); -} - -void mtex_bump_normals_init( vec3 vN, out vec3 vNorg, out vec3 vNacc, out float fPrevMagnitude ) -{ - vNorg = vN; - vNacc = vN; - fPrevMagnitude = 1.0; -} - -/** helper method to extract the upper left 3x3 matrix from a 4x4 matrix */ -mat3 to_mat3(mat4 m4) -{ - mat3 m3; - m3[0] = m4[0].xyz; - m3[1] = m4[1].xyz; - m3[2] = m4[2].xyz; - return m3; -} - -void mtex_bump_init_objspace( vec3 surf_pos, vec3 surf_norm, - mat4 mView, mat4 mViewInv, mat4 mObj, mat4 mObjInv, - float fPrevMagnitude_in, vec3 vNacc_in, - out float fPrevMagnitude_out, out vec3 vNacc_out, - out vec3 vR1, out vec3 vR2, out float fDet ) -{ - mat3 obj2view = to_mat3(gl_ModelViewMatrix); - mat3 view2obj = to_mat3(gl_ModelViewMatrixInverse); - - vec3 vSigmaS = view2obj * dFdx( surf_pos ); - vec3 vSigmaT = view2obj * dFdy( surf_pos ); - vec3 vN = normalize( surf_norm * obj2view ); - - vR1 = cross( vSigmaT, vN ); - vR2 = cross( vN, vSigmaS ) ; - fDet = dot ( vSigmaS, vR1 ); - - /* pretransform vNacc (in mtex_bump_apply) using the inverse transposed */ - vR1 = vR1 * view2obj; - vR2 = vR2 * view2obj; - vN = vN * view2obj; - - float fMagnitude = abs(fDet) * length(vN); - vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); - fPrevMagnitude_out = fMagnitude; -} - -void mtex_bump_init_texturespace( vec3 surf_pos, vec3 surf_norm, - float fPrevMagnitude_in, vec3 vNacc_in, - out float fPrevMagnitude_out, out vec3 vNacc_out, - out vec3 vR1, out vec3 vR2, out float fDet ) -{ - vec3 vSigmaS = dFdx( surf_pos ); - vec3 vSigmaT = dFdy( surf_pos ); - vec3 vN = surf_norm; /* normalized interpolated vertex normal */ - - vR1 = normalize( cross( vSigmaT, vN ) ); - vR2 = normalize( cross( vN, vSigmaS ) ); - fDet = sign( dot(vSigmaS, vR1) ); - - float fMagnitude = abs(fDet); - vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); - fPrevMagnitude_out = fMagnitude; -} - -void mtex_bump_init_viewspace( vec3 surf_pos, vec3 surf_norm, - float fPrevMagnitude_in, vec3 vNacc_in, - out float fPrevMagnitude_out, out vec3 vNacc_out, - out vec3 vR1, out vec3 vR2, out float fDet ) -{ - vec3 vSigmaS = dFdx( surf_pos ); - vec3 vSigmaT = dFdy( surf_pos ); - vec3 vN = surf_norm; /* normalized interpolated vertex normal */ - - vR1 = cross( vSigmaT, vN ); - vR2 = cross( vN, vSigmaS ) ; - fDet = dot ( vSigmaS, vR1 ); - - float fMagnitude = abs(fDet); - vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); - fPrevMagnitude_out = fMagnitude; -} - -void mtex_bump_tap3( vec3 texco, sampler2D ima, float hScale, - out float dBs, out float dBt ) -{ - vec2 STll = texco.xy; - vec2 STlr = texco.xy + dFdx(texco.xy) ; - vec2 STul = texco.xy + dFdy(texco.xy) ; - - float Hll,Hlr,Hul; - rgbtobw( texture2D(ima, STll), Hll ); - rgbtobw( texture2D(ima, STlr), Hlr ); - rgbtobw( texture2D(ima, STul), Hul ); - - dBs = hScale * (Hlr - Hll); - dBt = hScale * (Hul - Hll); -} - -#ifdef BUMP_BICUBIC - -void mtex_bump_bicubic( vec3 texco, sampler2D ima, float hScale, - out float dBs, out float dBt ) -{ - float Hl; - float Hr; - float Hd; - float Hu; - - vec2 TexDx = dFdx(texco.xy); - vec2 TexDy = dFdy(texco.xy); - - vec2 STl = texco.xy - 0.5 * TexDx ; - vec2 STr = texco.xy + 0.5 * TexDx ; - vec2 STd = texco.xy - 0.5 * TexDy ; - vec2 STu = texco.xy + 0.5 * TexDy ; - - rgbtobw(texture2D(ima, STl), Hl); - rgbtobw(texture2D(ima, STr), Hr); - rgbtobw(texture2D(ima, STd), Hd); - rgbtobw(texture2D(ima, STu), Hu); - - vec2 dHdxy = vec2(Hr - Hl, Hu - Hd); - float fBlend = clamp(1.0-textureQueryLOD(ima, texco.xy).x, 0.0, 1.0); - if(fBlend!=0.0) - { - // the derivative of the bicubic sampling of level 0 - ivec2 vDim; - vDim = textureSize(ima, 0); - - // taking the fract part of the texture coordinate is a hardcoded wrap mode. - // this is acceptable as textures use wrap mode exclusively in 3D view elsewhere in blender. - // this is done so that we can still get a valid texel with uvs outside the 0,1 range - // by texelFetch below, as coordinates are clamped when using this function. - vec2 fTexLoc = vDim*fract(texco.xy) - vec2(0.5, 0.5); - ivec2 iTexLoc = ivec2(floor(fTexLoc)); - vec2 t = clamp(fTexLoc - iTexLoc, 0.0, 1.0); // sat just to be pedantic - -/******************************************************************************************* - * This block will replace the one below when one channel textures are properly supported. * - ******************************************************************************************* - vec4 vSamplesUL = textureGather(ima, (iTexLoc+ivec2(-1,-1) + vec2(0.5,0.5))/vDim ); - vec4 vSamplesUR = textureGather(ima, (iTexLoc+ivec2(1,-1) + vec2(0.5,0.5))/vDim ); - vec4 vSamplesLL = textureGather(ima, (iTexLoc+ivec2(-1,1) + vec2(0.5,0.5))/vDim ); - vec4 vSamplesLR = textureGather(ima, (iTexLoc+ivec2(1,1) + vec2(0.5,0.5))/vDim ); - - mat4 H = mat4(vSamplesUL.w, vSamplesUL.x, vSamplesLL.w, vSamplesLL.x, - vSamplesUL.z, vSamplesUL.y, vSamplesLL.z, vSamplesLL.y, - vSamplesUR.w, vSamplesUR.x, vSamplesLR.w, vSamplesLR.x, - vSamplesUR.z, vSamplesUR.y, vSamplesLR.z, vSamplesLR.y); -*/ - ivec2 iTexLocMod = iTexLoc + ivec2(-1, -1); - - mat4 H; - - for(int i = 0; i < 4; i++){ - for(int j = 0; j < 4; j++){ - ivec2 iTexTmp = iTexLocMod + ivec2(i,j); - - // wrap texture coordinates manually for texelFetch to work on uvs oitside the 0,1 range. - // this is guaranteed to work since we take the fractional part of the uv above. - iTexTmp.x = (iTexTmp.x < 0)? iTexTmp.x + vDim.x : ((iTexTmp.x >= vDim.x)? iTexTmp.x - vDim.x : iTexTmp.x); - iTexTmp.y = (iTexTmp.y < 0)? iTexTmp.y + vDim.y : ((iTexTmp.y >= vDim.y)? iTexTmp.y - vDim.y : iTexTmp.y); - - rgbtobw(texelFetch(ima, iTexTmp, 0), H[i][j]); - } - } - - float x = t.x, y = t.y; - float x2 = x * x, x3 = x2 * x, y2 = y * y, y3 = y2 * y; - - vec4 X = vec4(-0.5*(x3+x)+x2, 1.5*x3-2.5*x2+1, -1.5*x3+2*x2+0.5*x, 0.5*(x3-x2)); - vec4 Y = vec4(-0.5*(y3+y)+y2, 1.5*y3-2.5*y2+1, -1.5*y3+2*y2+0.5*y, 0.5*(y3-y2)); - vec4 dX = vec4(-1.5*x2+2*x-0.5, 4.5*x2-5*x, -4.5*x2+4*x+0.5, 1.5*x2-x); - vec4 dY = vec4(-1.5*y2+2*y-0.5, 4.5*y2-5*y, -4.5*y2+4*y+0.5, 1.5*y2-y); - - // complete derivative in normalized coordinates (mul by vDim) - vec2 dHdST = vDim * vec2(dot(Y, H * dX), dot(dY, H * X)); - - // transform derivative to screen-space - vec2 dHdxy_bicubic = vec2( dHdST.x * TexDx.x + dHdST.y * TexDx.y, - dHdST.x * TexDy.x + dHdST.y * TexDy.y ); - - // blend between the two - dHdxy = dHdxy*(1-fBlend) + dHdxy_bicubic*fBlend; - } - - dBs = hScale * dHdxy.x; - dBt = hScale * dHdxy.y; -} - -#endif - -void mtex_bump_tap5( vec3 texco, sampler2D ima, float hScale, - out float dBs, out float dBt ) -{ - vec2 TexDx = dFdx(texco.xy); - vec2 TexDy = dFdy(texco.xy); - - vec2 STc = texco.xy; - vec2 STl = texco.xy - 0.5 * TexDx ; - vec2 STr = texco.xy + 0.5 * TexDx ; - vec2 STd = texco.xy - 0.5 * TexDy ; - vec2 STu = texco.xy + 0.5 * TexDy ; - - float Hc,Hl,Hr,Hd,Hu; - rgbtobw( texture2D(ima, STc), Hc ); - rgbtobw( texture2D(ima, STl), Hl ); - rgbtobw( texture2D(ima, STr), Hr ); - rgbtobw( texture2D(ima, STd), Hd ); - rgbtobw( texture2D(ima, STu), Hu ); - - dBs = hScale * (Hr - Hl); - dBt = hScale * (Hu - Hd); -} - -void mtex_bump_deriv( vec3 texco, sampler2D ima, float ima_x, float ima_y, float hScale, - out float dBs, out float dBt ) -{ - float s = 1.0; // negate this if flipped texture coordinate - vec2 TexDx = dFdx(texco.xy); - vec2 TexDy = dFdy(texco.xy); - - // this variant using a derivative map is described here - // http://mmikkelsen3d.blogspot.com/2011/07/derivative-maps.html - vec2 dim = vec2(ima_x, ima_y); - vec2 dBduv = hScale*dim*(2.0*texture2D(ima, texco.xy).xy-1.0); - - dBs = dBduv.x*TexDx.x + s*dBduv.y*TexDx.y; - dBt = dBduv.x*TexDy.x + s*dBduv.y*TexDy.y; -} - -void mtex_bump_apply( float fDet, float dBs, float dBt, vec3 vR1, vec3 vR2, vec3 vNacc_in, - out vec3 vNacc_out, out vec3 perturbed_norm ) -{ - vec3 vSurfGrad = sign(fDet) * ( dBs * vR1 + dBt * vR2 ); - - vNacc_out = vNacc_in - vSurfGrad; - perturbed_norm = normalize( vNacc_out ); -} - -void mtex_bump_apply_texspace( float fDet, float dBs, float dBt, vec3 vR1, vec3 vR2, - sampler2D ima, vec3 texco, float ima_x, float ima_y, vec3 vNacc_in, - out vec3 vNacc_out, out vec3 perturbed_norm ) -{ - vec2 TexDx = dFdx(texco.xy); - vec2 TexDy = dFdy(texco.xy); - - vec3 vSurfGrad = sign(fDet) * ( - dBs / length( vec2(ima_x*TexDx.x, ima_y*TexDx.y) ) * vR1 + - dBt / length( vec2(ima_x*TexDy.x, ima_y*TexDy.y) ) * vR2 ); - - vNacc_out = vNacc_in - vSurfGrad; - perturbed_norm = normalize( vNacc_out ); -} - -void mtex_negate_texnormal(vec3 normal, out vec3 outnormal) -{ - outnormal = vec3(-normal.x, -normal.y, normal.z); -} - -void mtex_nspace_tangent(vec4 tangent, vec3 normal, vec3 texnormal, out vec3 outnormal) -{ - vec3 B = tangent.w * cross(normal, tangent.xyz); - - outnormal = texnormal.x*tangent.xyz + texnormal.y*B + texnormal.z*normal; - outnormal = normalize(outnormal); -} - -void mtex_blend_normal(float norfac, vec3 normal, vec3 newnormal, out vec3 outnormal) -{ - outnormal = (1.0 - norfac)*normal + norfac*newnormal; - outnormal = normalize(outnormal); -} - -/******* MATERIAL *********/ - -void lamp_visibility_sun_hemi(vec3 lampvec, out vec3 lv, out float dist, out float visifac) -{ - lv = lampvec; - dist = 1.0; - visifac = 1.0; -} - -void lamp_visibility_other(vec3 co, vec3 lampco, out vec3 lv, out float dist, out float visifac) -{ - lv = co - lampco; - dist = length(lv); - lv = normalize(lv); - visifac = 1.0; -} - -void lamp_falloff_invlinear(float lampdist, float dist, out float visifac) -{ - visifac = lampdist/(lampdist + dist); -} - -void lamp_falloff_invsquare(float lampdist, float dist, out float visifac) -{ - visifac = lampdist/(lampdist + dist*dist); -} - -void lamp_falloff_sliders(float lampdist, float ld1, float ld2, float dist, out float visifac) -{ - float lampdistkw = lampdist*lampdist; - - visifac = lampdist/(lampdist + ld1*dist); - visifac *= lampdistkw/(lampdistkw + ld2*dist*dist); -} - -void lamp_falloff_curve(float lampdist, sampler2D curvemap, float dist, out float visifac) -{ - visifac = texture2D(curvemap, vec2(dist/lampdist, 0.0)).x; -} - -void lamp_visibility_sphere(float lampdist, float dist, float visifac, out float outvisifac) -{ - float t= lampdist - dist; - - outvisifac= visifac*max(t, 0.0)/lampdist; -} - -void lamp_visibility_spot_square(vec3 lampvec, mat4 lampimat, vec3 lv, out float inpr) -{ - if(dot(lv, lampvec) > 0.0) { - vec3 lvrot = (lampimat*vec4(lv, 0.0)).xyz; - float x = max(abs(lvrot.x/lvrot.z), abs(lvrot.y/lvrot.z)); - - inpr = 1.0/sqrt(1.0 + x*x); - } - else - inpr = 0.0; -} - -void lamp_visibility_spot_circle(vec3 lampvec, vec3 lv, out float inpr) -{ - inpr = dot(lv, lampvec); -} - -void lamp_visibility_spot(float spotsi, float spotbl, float inpr, float visifac, out float outvisifac) -{ - float t = spotsi; - - if(inpr <= t) { - outvisifac = 0.0; - } - else { - t = inpr - t; - - /* soft area */ - if(spotbl != 0.0) - inpr *= smoothstep(0.0, 1.0, t/spotbl); - - outvisifac = visifac*inpr; - } -} - -void lamp_visibility_clamp(float visifac, out float outvisifac) -{ - outvisifac = (visifac < 0.001)? 0.0: visifac; -} - -void shade_view(vec3 co, out vec3 view) -{ - /* handle perspective/orthographic */ - view = (gl_ProjectionMatrix[3][3] == 0.0)? normalize(co): vec3(0.0, 0.0, -1.0); -} - -void shade_tangent_v(vec3 lv, vec3 tang, out vec3 vn) -{ - vec3 c = cross(lv, tang); - vec3 vnor = cross(c, tang); - - vn = -normalize(vnor); -} - -void shade_inp(vec3 vn, vec3 lv, out float inp) -{ - inp = dot(vn, lv); -} - -void shade_is_no_diffuse(out float is) -{ - is = 0.0; -} - -void shade_is_hemi(float inp, out float is) -{ - is = 0.5*inp + 0.5; -} - -float area_lamp_energy(mat4 area, vec3 co, vec3 vn) -{ - vec3 vec[4], c[4]; - float rad[4], fac; - - vec[0] = normalize(co - area[0].xyz); - vec[1] = normalize(co - area[1].xyz); - vec[2] = normalize(co - area[2].xyz); - vec[3] = normalize(co - area[3].xyz); - - c[0] = normalize(cross(vec[0], vec[1])); - c[1] = normalize(cross(vec[1], vec[2])); - c[2] = normalize(cross(vec[2], vec[3])); - c[3] = normalize(cross(vec[3], vec[0])); - - rad[0] = acos(dot(vec[0], vec[1])); - rad[1] = acos(dot(vec[1], vec[2])); - rad[2] = acos(dot(vec[2], vec[3])); - rad[3] = acos(dot(vec[3], vec[0])); - - fac= rad[0]*dot(vn, c[0]); - fac+= rad[1]*dot(vn, c[1]); - fac+= rad[2]*dot(vn, c[2]); - fac+= rad[3]*dot(vn, c[3]); - - return max(fac, 0.0); -} - -void shade_inp_area(vec3 position, vec3 lampco, vec3 lampvec, vec3 vn, mat4 area, float areasize, float k, out float inp) -{ - vec3 co = position; - vec3 vec = co - lampco; - - if(dot(vec, lampvec) < 0.0) { - inp = 0.0; - } - else { - float intens = area_lamp_energy(area, co, vn); - - inp = pow(intens*areasize, k); - } -} - -void shade_diffuse_oren_nayer(float nl, vec3 n, vec3 l, vec3 v, float rough, out float is) -{ - vec3 h = normalize(v + l); - float nh = max(dot(n, h), 0.0); - float nv = max(dot(n, v), 0.0); - float realnl = dot(n, l); - - if(realnl < 0.0) { - is = 0.0; - } - else if(nl < 0.0) { - is = 0.0; - } - else { - float vh = max(dot(v, h), 0.0); - float Lit_A = acos(realnl); - float View_A = acos(nv); - - vec3 Lit_B = normalize(l - realnl*n); - vec3 View_B = normalize(v - nv*n); - - float t = max(dot(Lit_B, View_B), 0.0); - - float a, b; - - if(Lit_A > View_A) { - a = Lit_A; - b = View_A; - } - else { - a = View_A; - b = Lit_A; - } - - float A = 1.0 - (0.5*((rough*rough)/((rough*rough) + 0.33))); - float B = 0.45*((rough*rough)/((rough*rough) + 0.09)); - - b *= 0.95; - is = nl*(A + (B * t * sin(a) * tan(b))); - } -} - -void shade_diffuse_toon(vec3 n, vec3 l, vec3 v, float size, float tsmooth, out float is) -{ - float rslt = dot(n, l); - float ang = acos(rslt); - - if(ang < size) is = 1.0; - else if(ang > (size + tsmooth) || tsmooth == 0.0) is = 0.0; - else is = 1.0 - ((ang - size)/tsmooth); -} - -void shade_diffuse_minnaert(float nl, vec3 n, vec3 v, float darkness, out float is) -{ - if(nl <= 0.0) { - is = 0.0; - } - else { - float nv = max(dot(n, v), 0.0); - - if(darkness <= 1.0) - is = nl*pow(max(nv*nl, 0.1), darkness - 1.0); - else - is = nl*pow(1.0001 - nv, darkness - 1.0); - } -} - -float fresnel_fac(vec3 view, vec3 vn, float grad, float fac) -{ - float t1, t2; - float ffac; - - if(fac==0.0) { - ffac = 1.0; - } - else { - t1= dot(view, vn); - if(t1>0.0) t2= 1.0+t1; - else t2= 1.0-t1; - - t2= grad + (1.0-grad)*pow(t2, fac); - - if(t2<0.0) ffac = 0.0; - else if(t2>1.0) ffac = 1.0; - else ffac = t2; - } - - return ffac; -} - -void shade_diffuse_fresnel(vec3 vn, vec3 lv, vec3 view, float fac_i, float fac, out float is) -{ - is = fresnel_fac(lv, vn, fac_i, fac); -} - -void shade_cubic(float is, out float outis) -{ - if(is>0.0 && is<1.0) - outis= smoothstep(0.0, 1.0, is); - else - outis= is; -} - -void shade_visifac(float i, float visifac, float refl, out float outi) -{ - /*if(i > 0.0)*/ - outi = max(i*visifac*refl, 0.0); - /*else - outi = i;*/ -} - -void shade_tangent_v_spec(vec3 tang, out vec3 vn) -{ - vn = tang; -} - -void shade_add_to_diffuse(float i, vec3 lampcol, vec3 col, out vec3 outcol) -{ - if(i > 0.0) - outcol = i*lampcol*col; - else - outcol = vec3(0.0, 0.0, 0.0); -} - -void shade_hemi_spec(vec3 vn, vec3 lv, vec3 view, float spec, float hard, float visifac, out float t) -{ - lv += view; - lv = normalize(lv); - - t = dot(vn, lv); - t = 0.5*t + 0.5; - - t = visifac*spec*pow(t, hard); -} - -void shade_phong_spec(vec3 n, vec3 l, vec3 v, float hard, out float specfac) -{ - vec3 h = normalize(l + v); - float rslt = max(dot(h, n), 0.0); - - specfac = pow(rslt, hard); -} - -void shade_cooktorr_spec(vec3 n, vec3 l, vec3 v, float hard, out float specfac) -{ - vec3 h = normalize(v + l); - float nh = dot(n, h); - - if(nh < 0.0) { - specfac = 0.0; - } - else { - float nv = max(dot(n, v), 0.0); - float i = pow(nh, hard); - - i = i/(0.1+nv); - specfac = i; - } -} - -void shade_blinn_spec(vec3 n, vec3 l, vec3 v, float refrac, float spec_power, out float specfac) -{ - if(refrac < 1.0) { - specfac = 0.0; - } - else if(spec_power == 0.0) { - specfac = 0.0; - } - else { - if(spec_power<100.0) - spec_power= sqrt(1.0/spec_power); - else - spec_power= 10.0/spec_power; - - vec3 h = normalize(v + l); - float nh = dot(n, h); - if(nh < 0.0) { - specfac = 0.0; - } - else { - float nv = max(dot(n, v), 0.01); - float nl = dot(n, l); - if(nl <= 0.01) { - specfac = 0.0; - } - else { - float vh = max(dot(v, h), 0.01); - - float a = 1.0; - float b = (2.0*nh*nv)/vh; - float c = (2.0*nh*nl)/vh; - - float g = 0.0; - - if(a < b && a < c) g = a; - else if(b < a && b < c) g = b; - else if(c < a && c < b) g = c; - - float p = sqrt(((refrac * refrac)+(vh*vh)-1.0)); - float f = (((p-vh)*(p-vh))/((p+vh)*(p+vh)))*(1.0+((((vh*(p+vh))-1.0)*((vh*(p+vh))-1.0))/(((vh*(p-vh))+1.0)*((vh*(p-vh))+1.0)))); - float ang = acos(nh); - - specfac = max(f*g*exp_blender((-(ang*ang)/(2.0*spec_power*spec_power))), 0.0); - } - } - } -} - -void shade_wardiso_spec(vec3 n, vec3 l, vec3 v, float rms, out float specfac) -{ - vec3 h = normalize(l + v); - float nh = max(dot(n, h), 0.001); - float nv = max(dot(n, v), 0.001); - float nl = max(dot(n, l), 0.001); - float angle = tan(acos(nh)); - float alpha = max(rms, 0.001); - - specfac= nl * (1.0/(4.0*M_PI*alpha*alpha))*(exp_blender(-(angle*angle)/(alpha*alpha))/(sqrt(nv*nl))); -} - -void shade_toon_spec(vec3 n, vec3 l, vec3 v, float size, float tsmooth, out float specfac) -{ - vec3 h = normalize(l + v); - float rslt = dot(h, n); - float ang = acos(rslt); - - if(ang < size) rslt = 1.0; - else if(ang >= (size + tsmooth) || tsmooth == 0.0) rslt = 0.0; - else rslt = 1.0 - ((ang - size)/tsmooth); - - specfac = rslt; -} - -void shade_spec_area_inp(float specfac, float inp, out float outspecfac) -{ - outspecfac = specfac*inp; -} - -void shade_spec_t(float shadfac, float spec, float visifac, float specfac, out float t) -{ - t = shadfac*spec*visifac*specfac; -} - -void shade_add_spec(float t, vec3 lampcol, vec3 speccol, out vec3 outcol) -{ - outcol = t*lampcol*speccol; -} - -void shade_add(vec4 col1, vec4 col2, out vec4 outcol) -{ - outcol = col1 + col2; -} - -void shade_madd(vec4 col, vec4 col1, vec4 col2, out vec4 outcol) -{ - outcol = col + col1*col2; -} - -void shade_add_clamped(vec4 col1, vec4 col2, out vec4 outcol) -{ - outcol = col1 + max(col2, vec4(0.0, 0.0, 0.0, 0.0)); -} - -void shade_madd_clamped(vec4 col, vec4 col1, vec4 col2, out vec4 outcol) -{ - outcol = col + max(col1*col2, vec4(0.0, 0.0, 0.0, 0.0)); -} - -void shade_maddf(vec4 col, float f, vec4 col1, out vec4 outcol) -{ - outcol = col + f*col1; -} - -void shade_mul(vec4 col1, vec4 col2, out vec4 outcol) -{ - outcol = col1*col2; -} - -void shade_mul_value(float fac, vec4 col, out vec4 outcol) -{ - outcol = col*fac; -} - -void shade_obcolor(vec4 col, vec4 obcol, out vec4 outcol) -{ - outcol = vec4(col.rgb*obcol.rgb, col.a); -} - -void ramp_rgbtobw(vec3 color, out float outval) -{ - outval = color.r*0.3 + color.g*0.58 + color.b*0.12; -} - -void shade_only_shadow(float i, float shadfac, float energy, out float outshadfac) -{ - outshadfac = i*energy*(1.0 - shadfac); -} - -void shade_only_shadow_diffuse(float shadfac, vec3 rgb, vec4 diff, out vec4 outdiff) -{ - outdiff = diff - vec4(rgb*shadfac, 0.0); -} - -void shade_only_shadow_specular(float shadfac, vec3 specrgb, vec4 spec, out vec4 outspec) -{ - outspec = spec - vec4(specrgb*shadfac, 0.0); -} - -void test_shadowbuf(vec3 rco, sampler2DShadow shadowmap, mat4 shadowpersmat, float shadowbias, float inp, out float result) -{ - if(inp <= 0.0) { - result = 0.0; - } - else { - vec4 co = shadowpersmat*vec4(rco, 1.0); - - //float bias = (1.5 - inp*inp)*shadowbias; - co.z -= shadowbias*co.w; - - result = shadow2DProj(shadowmap, co).x; - } -} - -void shade_exposure_correct(vec3 col, float linfac, float logfac, out vec3 outcol) -{ - outcol = linfac*(1.0 - exp(col*logfac)); -} - -void shade_mist_factor(vec3 co, float miststa, float mistdist, float misttype, float misi, out float outfac) -{ - float fac, zcor; - - zcor = (gl_ProjectionMatrix[3][3] == 0.0)? length(co): -co[2]; - - fac = clamp((zcor-miststa)/mistdist, 0.0, 1.0); - if(misttype == 0.0) fac *= fac; - else if(misttype == 1.0); - else fac = sqrt(fac); - - outfac = 1.0 - (1.0-fac)*(1.0-misi); -} - -void shade_world_mix(vec3 hor, vec4 col, out vec4 outcol) -{ - float fac = clamp(col.a, 0.0, 1.0); - outcol = vec4(mix(hor, col.rgb, fac), col.a); -} - -void shade_alpha_opaque(vec4 col, out vec4 outcol) -{ - outcol = vec4(col.rgb, 1.0); -} - -void shade_alpha_obcolor(vec4 col, vec4 obcol, out vec4 outcol) -{ - outcol = vec4(col.rgb, col.a*obcol.a); -} - -/*********** NEW SHADER UTILITIES **************/ - -float fresnel_dielectric(vec3 Incoming, vec3 Normal, float eta) -{ - /* compute fresnel reflectance without explicitly computing - the refracted direction */ - float c = abs(dot(Incoming, Normal)); - float g = eta * eta - 1.0 + c * c; - float result; - - if(g > 0.0) { - g = sqrt(g); - float A =(g - c)/(g + c); - float B =(c *(g + c)- 1.0)/(c *(g - c)+ 1.0); - result = 0.5 * A * A *(1.0 + B * B); - } - else - result = 1.0; /* TIR (no refracted component) */ - - return result; -} - -float hypot(float x, float y) -{ - return sqrt(x*x + y*y); -} - -/*********** NEW SHADER NODES ***************/ - -#define NUM_LIGHTS 3 - -/* bsdfs */ - -void node_bsdf_diffuse(vec4 color, float roughness, vec3 N, out vec4 result) -{ - /* ambient light */ - vec3 L = vec3(0.2); - - /* directional lights */ - for(int i = 0; i < NUM_LIGHTS; i++) { - vec3 light_position = gl_LightSource[i].position.xyz; - vec3 light_diffuse = gl_LightSource[i].diffuse.rgb; - - float bsdf = max(dot(N, light_position), 0.0); - L += light_diffuse*bsdf; - } - - result = vec4(L*color.rgb, 1.0); -} - -void node_bsdf_glossy(vec4 color, float roughness, vec3 N, vec3 I, out vec4 result) -{ - /* ambient light */ - vec3 L = vec3(0.2); - - /* directional lights */ - for(int i = 0; i < NUM_LIGHTS; i++) { - vec3 light_position = gl_LightSource[i].position.xyz; - vec3 H = gl_LightSource[i].halfVector.xyz; - vec3 light_diffuse = gl_LightSource[i].diffuse.rgb; - vec3 light_specular = gl_LightSource[i].specular.rgb; - - /* we mix in some diffuse so low roughness still shows up */ - float bsdf = 0.5*pow(max(dot(N, H), 0.0), 1.0/roughness); - bsdf += 0.5*max(dot(N, light_position), 0.0); - L += light_specular*bsdf; - } - - result = vec4(L*color.rgb, 1.0); -} - -void node_bsdf_anisotropic(vec4 color, float roughnessU, float roughnessV, vec3 N, vec3 I, out vec4 result) -{ - node_bsdf_diffuse(color, 0.0, N, result); -} - -void node_bsdf_glass(vec4 color, float roughness, float ior, vec3 N, vec3 I, out vec4 result) -{ - node_bsdf_diffuse(color, 0.0, N, result); -} - -void node_bsdf_translucent(vec4 color, vec3 N, out vec4 result) -{ - node_bsdf_diffuse(color, 0.0, N, result); -} - -void node_bsdf_transparent(vec4 color, out vec4 result) -{ - /* this isn't right */ - result.r = color.r; - result.g = color.g; - result.b = color.b; - result.a = 0.0; -} - -void node_bsdf_velvet(vec4 color, float sigma, vec3 N, out vec4 result) -{ - node_bsdf_diffuse(color, 0.0, N, result); -} - -/* emission */ - -void node_emission(vec4 color, float strength, vec3 N, out vec4 result) -{ - result = color*strength; -} - -/* closures */ - -void node_mix_shader(float fac, vec4 shader1, vec4 shader2, out vec4 shader) -{ - shader = mix(shader1, shader2, fac); -} - -void node_add_shader(vec4 shader1, vec4 shader2, out vec4 shader) -{ - shader = shader1 + shader2; -} - -/* fresnel */ - -void node_fresnel(float ior, vec3 N, vec3 I, out float result) -{ - float eta = max(ior, 0.00001); - result = fresnel_dielectric(I, N, eta); //backfacing()? 1.0/eta: eta); -} - -/* geometry */ - -void node_geometry(vec3 I, vec3 N, mat4 toworld, - out vec3 position, out vec3 normal, out vec3 tangent, - out vec3 true_normal, out vec3 incoming, out vec3 parametric, - out float backfacing) -{ - position = (toworld*vec4(I, 1.0)).xyz; - normal = N; - tangent = vec3(0.0); - true_normal = N; - incoming = I; - parametric = vec3(0.0); - backfacing = 0.0; -} - -void node_tex_coord(vec3 I, vec3 N, mat4 viewinvmat, mat4 obinvmat, - vec3 attr_orco, vec3 attr_uv, - out vec3 generated, out vec3 normal, out vec3 uv, out vec3 object, - out vec3 camera, out vec3 window, out vec3 reflection) -{ - generated = attr_orco; - normal = normalize((obinvmat*(viewinvmat*vec4(N, 0.0))).xyz); - uv = attr_uv; - object = I; - camera = I; - window = gl_FragCoord.xyz; - reflection = reflect(N, I); - -} - -/* textures */ - -void node_tex_gradient(vec3 co, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_checker(vec3 co, vec4 color1, vec4 color2, float scale, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_clouds(vec3 co, float size, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_environment(vec3 co, sampler2D ima, out vec4 color) -{ - float u = (atan(co.y, co.x) + M_PI)/(2.0*M_PI); - float v = atan(co.z, hypot(co.x, co.y))/M_PI + 0.5; - - color = texture2D(ima, vec2(u, v)); -} - -void node_tex_image(vec3 co, sampler2D ima, out vec4 color, out float alpha) -{ - color = texture2D(ima, co.xy); - alpha = color.a; -} - -void node_tex_magic(vec3 p, float scale, float distortion, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_musgrave(vec3 co, float scale, float detail, float dimension, float lacunarity, float offset, float gain, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_noise(vec3 co, float scale, float detail, float distortion, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_sky(vec3 co, out vec4 color) -{ - color = vec4(1.0); -} - -void node_tex_voronoi(vec3 co, float scale, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -void node_tex_wave(vec3 co, float scale, float distortion, float detail, float detail_scale, out vec4 color, out float fac) -{ - color = vec4(1.0); - fac = 1.0; -} - -/* light path */ - -void node_light_path( - out float is_camera_ray, - out float is_shadow_ray, - out float is_diffuse_ray, - out float is_glossy_ray, - out float is_singular_ray, - out float is_reflection_ray, - out float is_transmission_ray) -{ - is_camera_ray = 1.0; - is_shadow_ray = 0.0; - is_diffuse_ray = 0.0; - is_glossy_ray = 0.0; - is_singular_ray = 0.0; - is_reflection_ray = 0.0; - is_transmission_ray = 0.0; -} - -/* output */ - -void node_output_material(vec4 surface, vec4 volume, float displacement, out vec4 result) -{ - result = surface; -} - diff --git a/source/blender/gpu/intern/gpu_shader_material.glsl.c b/source/blender/gpu/intern/gpu_shader_material.glsl.c deleted file mode 100644 index 6a6db7eadbb..00000000000 --- a/source/blender/gpu/intern/gpu_shader_material.glsl.c +++ /dev/null @@ -1,1553 +0,0 @@ -/* DataToC output of file */ - -int datatoc_gpu_shader_material_glsl_size = 49493; -char datatoc_gpu_shader_material_glsl[] = { - 10,102,108,111, 97,116, 32,101,120,112, 95, 98,108,101,110,100,101,114, 40,102,108, -111, 97,116, 32,102, 41, 10,123, 10, 9,114,101,116,117,114,110, 32,112,111,119, 40, 50, 46, 55, 49, 56, 50, 56, 49, 56, 50, 56, - 52, 54, 44, 32,102, 41, 59, 10,125, 10, 10,118,111,105,100, 32,114,103, 98, 95,116,111, 95,104,115,118, 40,118,101, 99, 52, 32, -114,103, 98, 44, 32,111,117,116, 32,118,101, 99, 52, 32,111,117,116, 99,111,108, 41, 10,123, 10, 9,102,108,111, 97,116, 32, 99, -109, 97,120, 44, 32, 99,109,105,110, 44, 32,104, 44, 32,115, 44, 32,118, 44, 32, 99,100,101,108,116, 97, 59, 10, 9,118,101, 99, - 51, 32, 99, 59, 10, 10, 9, 99,109, 97,120, 32, 61, 32,109, 97,120, 40,114,103, 98, 91, 48, 93, 44, 32,109, 97,120, 40,114,103, - 98, 91, 49, 93, 44, 32,114,103, 98, 91, 50, 93, 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32,111,117,116,112,117,116, 32, 42, 47, 10, 10,118,111,105,100, 32,110,111,100,101, 95,111,117,116,112,117,116, 95,109, - 97,116,101,114,105, 97,108, 40,118,101, 99, 52, 32,115,117,114,102, 97, 99,101, 44, 32,118,101, 99, 52, 32,118,111,108,117,109, -101, 44, 32,102,108,111, 97,116, 32,100,105,115,112,108, 97, 99,101,109,101,110,116, 44, 32,111,117,116, 32,118,101, 99, 52, 32, -114,101,115,117,108,116, 41, 10,123, 10, 9,114,101,115,117,108,116, 32, 61, 32,115,117,114,102, 97, 99,101, 59, 10,125, 10, 10, - 0}; - diff --git a/source/blender/gpu/intern/gpu_shader_vertex.glsl b/source/blender/gpu/intern/gpu_shader_vertex.glsl deleted file mode 100644 index a86431bdd7a..00000000000 --- a/source/blender/gpu/intern/gpu_shader_vertex.glsl +++ /dev/null @@ -1,12 +0,0 @@ - -varying vec3 varposition; -varying vec3 varnormal; - -void main() -{ - vec4 co = gl_ModelViewMatrix * gl_Vertex; - - varposition = co.xyz; - varnormal = normalize(gl_NormalMatrix * gl_Normal); - gl_Position = gl_ProjectionMatrix * co; - diff --git a/source/blender/gpu/intern/gpu_shader_vertex.glsl.c b/source/blender/gpu/intern/gpu_shader_vertex.glsl.c deleted file mode 100644 index d7a7bac771d..00000000000 --- a/source/blender/gpu/intern/gpu_shader_vertex.glsl.c +++ /dev/null @@ -1,17 +0,0 @@ -/** \file blender/gpu/intern/gpu_shader_vertex.glsl.c - * \ingroup gpu - */ -/* DataToC output of file */ - -int datatoc_gpu_shader_vertex_glsl_size= 228; -char datatoc_gpu_shader_vertex_glsl[]= { - 10,118, 97,114, -121,105,110,103, 32,118,101, 99, 51, 32,118, 97,114,112,111,115,105,116,105,111,110, 59, 10,118, 97,114,121,105,110,103, 32,118, -101, 99, 51, 32,118, 97,114,110,111,114,109, 97,108, 59, 10, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 10,123, 10, 9,118, -101, 99, 52, 32, 99,111, 32, 61, 32,103,108, 95, 77,111,100,101,108, 86,105,101,119, 77, 97,116,114,105,120, 32, 42, 32,103,108, - 95, 86,101,114,116,101,120, 59, 10, 10, 9,118, 97,114,112,111,115,105,116,105,111,110, 32, 61, 32, 99,111, 46,120,121,122, 59, - 10, 9,118, 97,114,110,111,114,109, 97,108, 32, 61, 32,110,111,114,109, 97,108,105,122,101, 40,103,108, 95, 78,111,114,109, 97, -108, 77, 97,116,114,105,120, 32, 42, 32,103,108, 95, 78,111,114,109, 97,108, 41, 59, 10, 9,103,108, 95, 80,111,115,105,116,105, -111,110, 32, 61, 32,103,108, 95, 80,114,111,106,101, 99,116,105,111,110, 77, 97,116,114,105,120, 32, 42, 32, 99,111, 59, 10, 10, - 0}; - diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl new file mode 100644 index 00000000000..5500e6bf171 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_material.glsl @@ -0,0 +1,2197 @@ + +float exp_blender(float f) +{ + return pow(2.71828182846, f); +} + +void rgb_to_hsv(vec4 rgb, out vec4 outcol) +{ + float cmax, cmin, h, s, v, cdelta; + vec3 c; + + cmax = max(rgb[0], max(rgb[1], rgb[2])); + cmin = min(rgb[0], min(rgb[1], rgb[2])); + cdelta = cmax-cmin; + + v = cmax; + if (cmax!=0.0) + s = cdelta/cmax; + else { + s = 0.0; + h = 0.0; + } + + if (s == 0.0) { + h = 0.0; + } + else { + c = (vec3(cmax, cmax, cmax) - rgb.xyz)/cdelta; + + if (rgb.x==cmax) h = c[2] - c[1]; + else if (rgb.y==cmax) h = 2.0 + c[0] - c[2]; + else h = 4.0 + c[1] - c[0]; + + h /= 6.0; + + if (h<0.0) + h += 1.0; + } + + outcol = vec4(h, s, v, rgb.w); +} + +void hsv_to_rgb(vec4 hsv, out vec4 outcol) +{ + float i, f, p, q, t, h, s, v; + vec3 rgb; + + h = hsv[0]; + s = hsv[1]; + v = hsv[2]; + + if(s==0.0) { + rgb = vec3(v, v, v); + } + else { + if(h==1.0) + h = 0.0; + + h *= 6.0; + i = floor(h); + f = h - i; + rgb = vec3(f, f, f); + p = v*(1.0-s); + q = v*(1.0-(s*f)); + t = v*(1.0-(s*(1.0-f))); + + if (i == 0.0) rgb = vec3(v, t, p); + else if (i == 1.0) rgb = vec3(q, v, p); + else if (i == 2.0) rgb = vec3(p, v, t); + else if (i == 3.0) rgb = vec3(p, q, v); + else if (i == 4.0) rgb = vec3(t, p, v); + else rgb = vec3(v, p, q); + } + + outcol = vec4(rgb, hsv.w); +} + +float srgb_to_linearrgb(float c) +{ + if(c < 0.04045) + return (c < 0.0)? 0.0: c * (1.0/12.92); + else + return pow((c + 0.055)*(1.0/1.055), 2.4); +} + +float linearrgb_to_srgb(float c) +{ + if(c < 0.0031308) + return (c < 0.0)? 0.0: c * 12.92; + else + return 1.055 * pow(c, 1.0/2.4) - 0.055; +} + +void srgb_to_linearrgb(vec4 col_from, out vec4 col_to) +{ + col_to.r = srgb_to_linearrgb(col_from.r); + col_to.g = srgb_to_linearrgb(col_from.g); + col_to.b = srgb_to_linearrgb(col_from.b); + col_to.a = col_from.a; +} + +void linearrgb_to_srgb(vec4 col_from, out vec4 col_to) +{ + col_to.r = linearrgb_to_srgb(col_from.r); + col_to.g = linearrgb_to_srgb(col_from.g); + col_to.b = linearrgb_to_srgb(col_from.b); + col_to.a = col_from.a; +} + +#define M_PI 3.14159265358979323846 +#define M_1_PI 0.31830988618379069 + +/*********** SHADER NODES ***************/ + +void vcol_attribute(vec4 attvcol, out vec4 vcol) +{ + vcol = vec4(attvcol.x/255.0, attvcol.y/255.0, attvcol.z/255.0, 1.0); +} + +void uv_attribute(vec2 attuv, out vec3 uv) +{ + uv = vec3(attuv*2.0 - vec2(1.0, 1.0), 0.0); +} + +void geom(vec3 co, vec3 nor, mat4 viewinvmat, vec3 attorco, vec2 attuv, vec4 attvcol, out vec3 global, out vec3 local, out vec3 view, out vec3 orco, out vec3 uv, out vec3 normal, out vec4 vcol, out float vcol_alpha, out float frontback) +{ + local = co; + view = normalize(local); + global = (viewinvmat*vec4(local, 1.0)).xyz; + orco = attorco; + uv_attribute(attuv, uv); + normal = -normalize(nor); /* blender render normal is negated */ + vcol_attribute(attvcol, vcol); + vcol_alpha = attvcol.a; + frontback = 1.0; +} + +void mapping(vec3 vec, mat4 mat, vec3 minvec, vec3 maxvec, float domin, float domax, out vec3 outvec) +{ + outvec = (mat * vec4(vec, 1.0)).xyz; + if(domin == 1.0) + outvec = max(outvec, minvec); + if(domax == 1.0) + outvec = min(outvec, maxvec); +} + +void camera(vec3 co, out vec3 outview, out float outdepth, out float outdist) +{ + outdepth = abs(co.z); + outdist = length(co); + outview = normalize(co); +} + +void math_add(float val1, float val2, out float outval) +{ + outval = val1 + val2; +} + +void math_subtract(float val1, float val2, out float outval) +{ + outval = val1 - val2; +} + +void math_multiply(float val1, float val2, out float outval) +{ + outval = val1 * val2; +} + +void math_divide(float val1, float val2, out float outval) +{ + if (val2 == 0.0) + outval = 0.0; + else + outval = val1 / val2; +} + +void math_sine(float val, out float outval) +{ + outval = sin(val); +} + +void math_cosine(float val, out float outval) +{ + outval = cos(val); +} + +void math_tangent(float val, out float outval) +{ + outval = tan(val); +} + +void math_asin(float val, out float outval) +{ + if (val <= 1.0 && val >= -1.0) + outval = asin(val); + else + outval = 0.0; +} + +void math_acos(float val, out float outval) +{ + if (val <= 1.0 && val >= -1.0) + outval = acos(val); + else + outval = 0.0; +} + +void math_atan(float val, out float outval) +{ + outval = atan(val); +} + +void math_pow(float val1, float val2, out float outval) +{ + if (val1 >= 0.0) + outval = pow(val1, val2); + else + outval = 0.0; +} + +void math_log(float val1, float val2, out float outval) +{ + if(val1 > 0.0 && val2 > 0.0) + outval= log2(val1) / log2(val2); + else + outval= 0.0; +} + +void math_max(float val1, float val2, out float outval) +{ + outval = max(val1, val2); +} + +void math_min(float val1, float val2, out float outval) +{ + outval = min(val1, val2); +} + +void math_round(float val, out float outval) +{ + outval= floor(val + 0.5); +} + +void math_less_than(float val1, float val2, out float outval) +{ + if(val1 < val2) + outval = 1.0; + else + outval = 0.0; +} + +void math_greater_than(float val1, float val2, out float outval) +{ + if(val1 > val2) + outval = 1.0; + else + outval = 0.0; +} + +void squeeze(float val, float width, float center, out float outval) +{ + outval = 1.0/(1.0 + pow(2.71828183, -((val-center)*width))); +} + +void vec_math_add(vec3 v1, vec3 v2, out vec3 outvec, out float outval) +{ + outvec = v1 + v2; + outval = (abs(outvec[0]) + abs(outvec[1]) + abs(outvec[2]))/3.0; +} + +void vec_math_sub(vec3 v1, vec3 v2, out vec3 outvec, out float outval) +{ + outvec = v1 - v2; + outval = (abs(outvec[0]) + abs(outvec[1]) + abs(outvec[2]))/3.0; +} + +void vec_math_average(vec3 v1, vec3 v2, out vec3 outvec, out float outval) +{ + outvec = v1 + v2; + outval = length(outvec); + outvec = normalize(outvec); +} + +void vec_math_dot(vec3 v1, vec3 v2, out vec3 outvec, out float outval) +{ + outvec = vec3(0, 0, 0); + outval = dot(v1, v2); +} + +void vec_math_cross(vec3 v1, vec3 v2, out vec3 outvec, out float outval) +{ + outvec = cross(v1, v2); + outval = length(outvec); +} + +void vec_math_normalize(vec3 v, out vec3 outvec, out float outval) +{ + outval = length(v); + outvec = normalize(v); +} + +void vec_math_negate(vec3 v, out vec3 outv) +{ + outv = -v; +} + +void normal(vec3 dir, vec3 nor, out vec3 outnor, out float outdot) +{ + outnor = nor; + outdot = -dot(dir, nor); +} + +void curves_vec(float fac, vec3 vec, sampler2D curvemap, out vec3 outvec) +{ + outvec.x = texture2D(curvemap, vec2((vec.x + 1.0)*0.5, 0.0)).x; + outvec.y = texture2D(curvemap, vec2((vec.y + 1.0)*0.5, 0.0)).y; + outvec.z = texture2D(curvemap, vec2((vec.z + 1.0)*0.5, 0.0)).z; + + if (fac != 1.0) + outvec = (outvec*fac) + (vec*(1.0-fac)); + +} + +void curves_rgb(float fac, vec4 col, sampler2D curvemap, out vec4 outcol) +{ + outcol.r = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.r, 0.0)).a, 0.0)).r; + outcol.g = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.g, 0.0)).a, 0.0)).g; + outcol.b = texture2D(curvemap, vec2(texture2D(curvemap, vec2(col.b, 0.0)).a, 0.0)).b; + + if (fac != 1.0) + outcol = (outcol*fac) + (col*(1.0-fac)); + + outcol.a = col.a; +} + +void set_value(float val, out float outval) +{ + outval = val; +} + +void set_rgb(vec3 col, out vec3 outcol) +{ + outcol = col; +} + +void set_rgba(vec4 col, out vec4 outcol) +{ + outcol = col; +} + +void set_value_zero(out float outval) +{ + outval = 0.0; +} + +void set_value_one(out float outval) +{ + outval = 1.0; +} + +void set_rgb_zero(out vec3 outval) +{ + outval = vec3(0.0); +} + +void set_rgba_zero(out vec4 outval) +{ + outval = vec4(0.0); +} + +void mix_blend(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = mix(col1, col2, fac); + outcol.a = col1.a; +} + +void mix_add(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = mix(col1, col1 + col2, fac); + outcol.a = col1.a; +} + +void mix_mult(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = mix(col1, col1 * col2, fac); + outcol.a = col1.a; +} + +void mix_screen(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = vec4(1.0) - (vec4(facm) + fac*(vec4(1.0) - col2))*(vec4(1.0) - col1); + outcol.a = col1.a; +} + +void mix_overlay(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = col1; + + if(outcol.r < 0.5) + outcol.r *= facm + 2.0*fac*col2.r; + else + outcol.r = 1.0 - (facm + 2.0*fac*(1.0 - col2.r))*(1.0 - outcol.r); + + if(outcol.g < 0.5) + outcol.g *= facm + 2.0*fac*col2.g; + else + outcol.g = 1.0 - (facm + 2.0*fac*(1.0 - col2.g))*(1.0 - outcol.g); + + if(outcol.b < 0.5) + outcol.b *= facm + 2.0*fac*col2.b; + else + outcol.b = 1.0 - (facm + 2.0*fac*(1.0 - col2.b))*(1.0 - outcol.b); +} + +void mix_sub(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = mix(col1, col1 - col2, fac); + outcol.a = col1.a; +} + +void mix_div(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = col1; + + if(col2.r != 0.0) outcol.r = facm*outcol.r + fac*outcol.r/col2.r; + if(col2.g != 0.0) outcol.g = facm*outcol.g + fac*outcol.g/col2.g; + if(col2.b != 0.0) outcol.b = facm*outcol.b + fac*outcol.b/col2.b; +} + +void mix_diff(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = mix(col1, abs(col1 - col2), fac); + outcol.a = col1.a; +} + +void mix_dark(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol.rgb = min(col1.rgb, col2.rgb*fac); + outcol.a = col1.a; +} + +void mix_light(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol.rgb = max(col1.rgb, col2.rgb*fac); + outcol.a = col1.a; +} + +void mix_dodge(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + outcol = col1; + + if(outcol.r != 0.0) { + float tmp = 1.0 - fac*col2.r; + if(tmp <= 0.0) + outcol.r = 1.0; + else if((tmp = outcol.r/tmp) > 1.0) + outcol.r = 1.0; + else + outcol.r = tmp; + } + if(outcol.g != 0.0) { + float tmp = 1.0 - fac*col2.g; + if(tmp <= 0.0) + outcol.g = 1.0; + else if((tmp = outcol.g/tmp) > 1.0) + outcol.g = 1.0; + else + outcol.g = tmp; + } + if(outcol.b != 0.0) { + float tmp = 1.0 - fac*col2.b; + if(tmp <= 0.0) + outcol.b = 1.0; + else if((tmp = outcol.b/tmp) > 1.0) + outcol.b = 1.0; + else + outcol.b = tmp; + } +} + +void mix_burn(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float tmp, facm = 1.0 - fac; + + outcol = col1; + + tmp = facm + fac*col2.r; + if(tmp <= 0.0) + outcol.r = 0.0; + else if((tmp = (1.0 - (1.0 - outcol.r)/tmp)) < 0.0) + outcol.r = 0.0; + else if(tmp > 1.0) + outcol.r = 1.0; + else + outcol.r = tmp; + + tmp = facm + fac*col2.g; + if(tmp <= 0.0) + outcol.g = 0.0; + else if((tmp = (1.0 - (1.0 - outcol.g)/tmp)) < 0.0) + outcol.g = 0.0; + else if(tmp > 1.0) + outcol.g = 1.0; + else + outcol.g = tmp; + + tmp = facm + fac*col2.b; + if(tmp <= 0.0) + outcol.b = 0.0; + else if((tmp = (1.0 - (1.0 - outcol.b)/tmp)) < 0.0) + outcol.b = 0.0; + else if(tmp > 1.0) + outcol.b = 1.0; + else + outcol.b = tmp; +} + +void mix_hue(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = col1; + + vec4 hsv, hsv2, tmp; + rgb_to_hsv(col2, hsv2); + + if(hsv2.y != 0.0) { + rgb_to_hsv(outcol, hsv); + hsv.x = hsv2.x; + hsv_to_rgb(hsv, tmp); + + outcol = mix(outcol, tmp, fac); + outcol.a = col1.a; + } +} + +void mix_sat(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = col1; + + vec4 hsv, hsv2; + rgb_to_hsv(outcol, hsv); + + if(hsv.y != 0.0) { + rgb_to_hsv(col2, hsv2); + + hsv.y = facm*hsv.y + fac*hsv2.y; + hsv_to_rgb(hsv, outcol); + } +} + +void mix_val(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + vec4 hsv, hsv2; + rgb_to_hsv(col1, hsv); + rgb_to_hsv(col2, hsv2); + + hsv.z = facm*hsv.z + fac*hsv2.z; + hsv_to_rgb(hsv, outcol); +} + +void mix_color(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + outcol = col1; + + vec4 hsv, hsv2, tmp; + rgb_to_hsv(col2, hsv2); + + if(hsv2.y != 0.0) { + rgb_to_hsv(outcol, hsv); + hsv.x = hsv2.x; + hsv.y = hsv2.y; + hsv_to_rgb(hsv, tmp); + + outcol = mix(outcol, tmp, fac); + outcol.a = col1.a; + } +} + +void mix_soft(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + float facm = 1.0 - fac; + + vec4 one= vec4(1.0); + vec4 scr= one - (one - col2)*(one - col1); + outcol = facm*col1 + fac*((one - col1)*col2*col1 + col1*scr); +} + +void mix_linear(float fac, vec4 col1, vec4 col2, out vec4 outcol) +{ + fac = clamp(fac, 0.0, 1.0); + + outcol = col1; + + if(col2.r > 0.5) + outcol.r= col1.r + fac*(2.0*(col2.r - 0.5)); + else + outcol.r= col1.r + fac*(2.0*(col2.r) - 1.0); + + if(col2.g > 0.5) + outcol.g= col1.g + fac*(2.0*(col2.g - 0.5)); + else + outcol.g= col1.g + fac*(2.0*(col2.g) - 1.0); + + if(col2.b > 0.5) + outcol.b= col1.b + fac*(2.0*(col2.b - 0.5)); + else + outcol.b= col1.b + fac*(2.0*(col2.b) - 1.0); +} + +void valtorgb(float fac, sampler2D colormap, out vec4 outcol, out float outalpha) +{ + outcol = texture2D(colormap, vec2(fac, 0.0)); + outalpha = outcol.a; +} + +void rgbtobw(vec4 color, out float outval) +{ + outval = color.r*0.35 + color.g*0.45 + color.b*0.2; /* keep these factors in sync with texture.h:RGBTOBW */ +} + +void invert(float fac, vec4 col, out vec4 outcol) +{ + outcol.xyz = mix(col.xyz, vec3(1.0, 1.0, 1.0) - col.xyz, fac); + outcol.w = col.w; +} + +void hue_sat(float hue, float sat, float value, float fac, vec4 col, out vec4 outcol) +{ + vec4 hsv; + + rgb_to_hsv(col, hsv); + + hsv[0] += (hue - 0.5); + if(hsv[0]>1.0) hsv[0]-=1.0; else if(hsv[0]<0.0) hsv[0]+= 1.0; + hsv[1] *= sat; + if(hsv[1]>1.0) hsv[1]= 1.0; else if(hsv[1]<0.0) hsv[1]= 0.0; + hsv[2] *= value; + if(hsv[2]>1.0) hsv[2]= 1.0; else if(hsv[2]<0.0) hsv[2]= 0.0; + + hsv_to_rgb(hsv, outcol); + + outcol = mix(col, outcol, fac); +} + +void separate_rgb(vec4 col, out float r, out float g, out float b) +{ + r = col.r; + g = col.g; + b = col.b; +} + +void combine_rgb(float r, float g, float b, out vec4 col) +{ + col = vec4(r, g, b, 1.0); +} + +void output_node(vec4 rgb, float alpha, out vec4 outrgb) +{ + outrgb = vec4(rgb.rgb, alpha); +} + +/*********** TEXTURES ***************/ + +void texture_flip_blend(vec3 vec, out vec3 outvec) +{ + outvec = vec.yxz; +} + +void texture_blend_lin(vec3 vec, out float outval) +{ + outval = (1.0+vec.x)/2.0; +} + +void texture_blend_quad(vec3 vec, out float outval) +{ + outval = max((1.0+vec.x)/2.0, 0.0); + outval *= outval; +} + +void texture_wood_sin(vec3 vec, out float value, out vec4 color, out vec3 normal) +{ + float a = sqrt(vec.x*vec.x + vec.y*vec.y + vec.z*vec.z)*20.0; + float wi = 0.5 + 0.5*sin(a); + + value = wi; + color = vec4(wi, wi, wi, 1.0); + normal = vec3(0.0, 0.0, 0.0); +} + +void texture_image(vec3 vec, sampler2D ima, out float value, out vec4 color, out vec3 normal) +{ + color = texture2D(ima, (vec.xy + vec2(1.0, 1.0))*0.5); + value = 1.0; + + normal.x = 2.0*(color.r - 0.5); + normal.y = 2.0*(0.5 - color.g); + normal.z = 2.0*(color.b - 0.5); +} + +/************* MTEX *****************/ + +void texco_orco(vec3 attorco, out vec3 orco) +{ + orco = attorco; +} + +void texco_uv(vec2 attuv, out vec3 uv) +{ + /* disabled for now, works together with leaving out mtex_2d_mapping + uv = vec3(attuv*2.0 - vec2(1.0, 1.0), 0.0); */ + uv = vec3(attuv, 0.0); +} + +void texco_norm(vec3 normal, out vec3 outnormal) +{ + /* corresponds to shi->orn, which is negated so cancels + out blender normal negation */ + outnormal = normalize(normal); +} + +void texco_tangent(vec4 tangent, out vec3 outtangent) +{ + outtangent = normalize(tangent.xyz); +} + +void texco_global(mat4 viewinvmat, vec3 co, out vec3 global) +{ + global = (viewinvmat*vec4(co, 1.0)).xyz; +} + +void texco_object(mat4 viewinvmat, mat4 obinvmat, vec3 co, out vec3 object) +{ + object = (obinvmat*(viewinvmat*vec4(co, 1.0))).xyz; +} + +void texco_refl(vec3 vn, vec3 view, out vec3 ref) +{ + ref = view - 2.0*dot(vn, view)*vn; +} + +void shade_norm(vec3 normal, out vec3 outnormal) +{ + /* blender render normal is negated */ + outnormal = -normalize(normal); +} + +void mtex_rgb_blend(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-fact; + + incol = fact*texcol + facm*outcol; +} + +void mtex_rgb_mul(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-facg; + + incol = (facm + fact*texcol)*outcol; +} + +void mtex_rgb_screen(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-facg; + + incol = vec3(1.0) - (vec3(facm) + fact*(vec3(1.0) - texcol))*(vec3(1.0) - outcol); +} + +void mtex_rgb_overlay(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-facg; + + if(outcol.r < 0.5) + incol.r = outcol.r*(facm + 2.0*fact*texcol.r); + else + incol.r = 1.0 - (facm + 2.0*fact*(1.0 - texcol.r))*(1.0 - outcol.r); + + if(outcol.g < 0.5) + incol.g = outcol.g*(facm + 2.0*fact*texcol.g); + else + incol.g = 1.0 - (facm + 2.0*fact*(1.0 - texcol.g))*(1.0 - outcol.g); + + if(outcol.b < 0.5) + incol.b = outcol.b*(facm + 2.0*fact*texcol.b); + else + incol.b = 1.0 - (facm + 2.0*fact*(1.0 - texcol.b))*(1.0 - outcol.b); +} + +void mtex_rgb_sub(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + incol = -fact*facg*texcol + outcol; +} + +void mtex_rgb_add(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + incol = fact*facg*texcol + outcol; +} + +void mtex_rgb_div(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-fact; + + if(texcol.r != 0.0) incol.r = facm*outcol.r + fact*outcol.r/texcol.r; + if(texcol.g != 0.0) incol.g = facm*outcol.g + fact*outcol.g/texcol.g; + if(texcol.b != 0.0) incol.b = facm*outcol.b + fact*outcol.b/texcol.b; +} + +void mtex_rgb_diff(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm; + + fact *= facg; + facm = 1.0-fact; + + incol = facm*outcol + fact*abs(texcol - outcol); +} + +void mtex_rgb_dark(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm, col; + + fact *= facg; + facm = 1.0-fact; + + col = fact*texcol.r; + if(col < outcol.r) incol.r = col; else incol.r = outcol.r; + col = fact*texcol.g; + if(col < outcol.g) incol.g = col; else incol.g = outcol.g; + col = fact*texcol.b; + if(col < outcol.b) incol.b = col; else incol.b = outcol.b; +} + +void mtex_rgb_light(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + float facm, col; + + fact *= facg; + facm = 1.0-fact; + + col = fact*texcol.r; + if(col > outcol.r) incol.r = col; else incol.r = outcol.r; + col = fact*texcol.g; + if(col > outcol.g) incol.g = col; else incol.g = outcol.g; + col = fact*texcol.b; + if(col > outcol.b) incol.b = col; else incol.b = outcol.b; +} + +void mtex_rgb_hue(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + vec4 col; + + mix_hue(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); + incol.rgb = col.rgb; +} + +void mtex_rgb_sat(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + vec4 col; + + mix_sat(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); + incol.rgb = col.rgb; +} + +void mtex_rgb_val(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + vec4 col; + + mix_val(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); + incol.rgb = col.rgb; +} + +void mtex_rgb_color(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 incol) +{ + vec4 col; + + mix_color(fact*facg, vec4(outcol, 1.0), vec4(texcol, 1.0), col); + incol.rgb = col.rgb; +} + +void mtex_value_vars(inout float fact, float facg, out float facm) +{ + fact *= abs(facg); + facm = 1.0-fact; + + if(facg < 0.0) { + float tmp = fact; + fact = facm; + facm = tmp; + } +} + +void mtex_value_blend(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + incol = fact*texcol + facm*outcol; +} + +void mtex_value_mul(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + facm = 1.0 - facg; + incol = (facm + fact*texcol)*outcol; +} + +void mtex_value_screen(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + facm = 1.0 - facg; + incol = 1.0 - (facm + fact*(1.0 - texcol))*(1.0 - outcol); +} + +void mtex_value_sub(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + fact = -fact; + incol = fact*texcol + outcol; +} + +void mtex_value_add(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + fact = fact; + incol = fact*texcol + outcol; +} + +void mtex_value_div(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + if(texcol != 0.0) + incol = facm*outcol + fact*outcol/texcol; + else + incol = 0.0; +} + +void mtex_value_diff(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + incol = facm*outcol + fact*abs(texcol - outcol); +} + +void mtex_value_dark(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + float col = fact*texcol; + if(col < outcol) incol = col; else incol = outcol; +} + +void mtex_value_light(float outcol, float texcol, float fact, float facg, out float incol) +{ + float facm; + mtex_value_vars(fact, facg, facm); + + float col = fact*texcol; + if(col > outcol) incol = col; else incol = outcol; +} + +void mtex_value_clamp_positive(float fac, out float outfac) +{ + outfac = max(fac, 0.0); +} + +void mtex_value_clamp(float fac, out float outfac) +{ + outfac = clamp(fac, 0.0, 1.0); +} + +void mtex_har_divide(float har, out float outhar) +{ + outhar = har/128.0; +} + +void mtex_har_multiply_clamp(float har, out float outhar) +{ + har *= 128.0; + + if(har < 1.0) outhar = 1.0; + else if(har > 511.0) outhar = 511.0; + else outhar = har; +} + +void mtex_alpha_from_col(vec4 col, out float alpha) +{ + alpha = col.a; +} + +void mtex_alpha_to_col(vec4 col, float alpha, out vec4 outcol) +{ + outcol = vec4(col.rgb, alpha); +} + +void mtex_rgbtoint(vec4 rgb, out float intensity) +{ + intensity = dot(vec3(0.35, 0.45, 0.2), rgb.rgb); +} + +void mtex_value_invert(float invalue, out float outvalue) +{ + outvalue = 1.0 - invalue; +} + +void mtex_rgb_invert(vec4 inrgb, out vec4 outrgb) +{ + outrgb = vec4(vec3(1.0) - inrgb.rgb, inrgb.a); +} + +void mtex_value_stencil(float stencil, float intensity, out float outstencil, out float outintensity) +{ + float fact = intensity; + outintensity = intensity*stencil; + outstencil = stencil*fact; +} + +void mtex_rgb_stencil(float stencil, vec4 rgb, out float outstencil, out vec4 outrgb) +{ + float fact = rgb.a; + outrgb = vec4(rgb.rgb, rgb.a*stencil); + outstencil = stencil*fact; +} + +void mtex_mapping_ofs(vec3 texco, vec3 ofs, out vec3 outtexco) +{ + outtexco = texco + ofs; +} + +void mtex_mapping_size(vec3 texco, vec3 size, out vec3 outtexco) +{ + outtexco = size*texco; +} + +void mtex_2d_mapping(vec3 vec, out vec3 outvec) +{ + outvec = vec3(vec.xy*0.5 + vec2(0.5, 0.5), vec.z); +} + +void mtex_image(vec3 texco, sampler2D ima, out float value, out vec4 color) +{ + color = texture2D(ima, texco.xy); + value = 1.0; +} + +void mtex_normal(vec3 texco, sampler2D ima, out vec3 normal) +{ + // The invert of the red channel is to make + // the normal map compliant with the outside world. + // It needs to be done because in Blender + // the normal used points inward. + // Should this ever change this negate must be removed. + vec4 color = texture2D(ima, texco.xy); + normal = 2.0*(vec3(-color.r, color.g, color.b) - vec3(-0.5, 0.5, 0.5)); +} + +void mtex_bump_normals_init( vec3 vN, out vec3 vNorg, out vec3 vNacc, out float fPrevMagnitude ) +{ + vNorg = vN; + vNacc = vN; + fPrevMagnitude = 1.0; +} + +/** helper method to extract the upper left 3x3 matrix from a 4x4 matrix */ +mat3 to_mat3(mat4 m4) +{ + mat3 m3; + m3[0] = m4[0].xyz; + m3[1] = m4[1].xyz; + m3[2] = m4[2].xyz; + return m3; +} + +void mtex_bump_init_objspace( vec3 surf_pos, vec3 surf_norm, + mat4 mView, mat4 mViewInv, mat4 mObj, mat4 mObjInv, + float fPrevMagnitude_in, vec3 vNacc_in, + out float fPrevMagnitude_out, out vec3 vNacc_out, + out vec3 vR1, out vec3 vR2, out float fDet ) +{ + mat3 obj2view = to_mat3(gl_ModelViewMatrix); + mat3 view2obj = to_mat3(gl_ModelViewMatrixInverse); + + vec3 vSigmaS = view2obj * dFdx( surf_pos ); + vec3 vSigmaT = view2obj * dFdy( surf_pos ); + vec3 vN = normalize( surf_norm * obj2view ); + + vR1 = cross( vSigmaT, vN ); + vR2 = cross( vN, vSigmaS ) ; + fDet = dot ( vSigmaS, vR1 ); + + /* pretransform vNacc (in mtex_bump_apply) using the inverse transposed */ + vR1 = vR1 * view2obj; + vR2 = vR2 * view2obj; + vN = vN * view2obj; + + float fMagnitude = abs(fDet) * length(vN); + vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); + fPrevMagnitude_out = fMagnitude; +} + +void mtex_bump_init_texturespace( vec3 surf_pos, vec3 surf_norm, + float fPrevMagnitude_in, vec3 vNacc_in, + out float fPrevMagnitude_out, out vec3 vNacc_out, + out vec3 vR1, out vec3 vR2, out float fDet ) +{ + vec3 vSigmaS = dFdx( surf_pos ); + vec3 vSigmaT = dFdy( surf_pos ); + vec3 vN = surf_norm; /* normalized interpolated vertex normal */ + + vR1 = normalize( cross( vSigmaT, vN ) ); + vR2 = normalize( cross( vN, vSigmaS ) ); + fDet = sign( dot(vSigmaS, vR1) ); + + float fMagnitude = abs(fDet); + vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); + fPrevMagnitude_out = fMagnitude; +} + +void mtex_bump_init_viewspace( vec3 surf_pos, vec3 surf_norm, + float fPrevMagnitude_in, vec3 vNacc_in, + out float fPrevMagnitude_out, out vec3 vNacc_out, + out vec3 vR1, out vec3 vR2, out float fDet ) +{ + vec3 vSigmaS = dFdx( surf_pos ); + vec3 vSigmaT = dFdy( surf_pos ); + vec3 vN = surf_norm; /* normalized interpolated vertex normal */ + + vR1 = cross( vSigmaT, vN ); + vR2 = cross( vN, vSigmaS ) ; + fDet = dot ( vSigmaS, vR1 ); + + float fMagnitude = abs(fDet); + vNacc_out = vNacc_in * (fMagnitude / fPrevMagnitude_in); + fPrevMagnitude_out = fMagnitude; +} + +void mtex_bump_tap3( vec3 texco, sampler2D ima, float hScale, + out float dBs, out float dBt ) +{ + vec2 STll = texco.xy; + vec2 STlr = texco.xy + dFdx(texco.xy) ; + vec2 STul = texco.xy + dFdy(texco.xy) ; + + float Hll,Hlr,Hul; + rgbtobw( texture2D(ima, STll), Hll ); + rgbtobw( texture2D(ima, STlr), Hlr ); + rgbtobw( texture2D(ima, STul), Hul ); + + dBs = hScale * (Hlr - Hll); + dBt = hScale * (Hul - Hll); +} + +#ifdef BUMP_BICUBIC + +void mtex_bump_bicubic( vec3 texco, sampler2D ima, float hScale, + out float dBs, out float dBt ) +{ + float Hl; + float Hr; + float Hd; + float Hu; + + vec2 TexDx = dFdx(texco.xy); + vec2 TexDy = dFdy(texco.xy); + + vec2 STl = texco.xy - 0.5 * TexDx ; + vec2 STr = texco.xy + 0.5 * TexDx ; + vec2 STd = texco.xy - 0.5 * TexDy ; + vec2 STu = texco.xy + 0.5 * TexDy ; + + rgbtobw(texture2D(ima, STl), Hl); + rgbtobw(texture2D(ima, STr), Hr); + rgbtobw(texture2D(ima, STd), Hd); + rgbtobw(texture2D(ima, STu), Hu); + + vec2 dHdxy = vec2(Hr - Hl, Hu - Hd); + float fBlend = clamp(1.0-textureQueryLOD(ima, texco.xy).x, 0.0, 1.0); + if(fBlend!=0.0) + { + // the derivative of the bicubic sampling of level 0 + ivec2 vDim; + vDim = textureSize(ima, 0); + + // taking the fract part of the texture coordinate is a hardcoded wrap mode. + // this is acceptable as textures use wrap mode exclusively in 3D view elsewhere in blender. + // this is done so that we can still get a valid texel with uvs outside the 0,1 range + // by texelFetch below, as coordinates are clamped when using this function. + vec2 fTexLoc = vDim*fract(texco.xy) - vec2(0.5, 0.5); + ivec2 iTexLoc = ivec2(floor(fTexLoc)); + vec2 t = clamp(fTexLoc - iTexLoc, 0.0, 1.0); // sat just to be pedantic + +/******************************************************************************************* + * This block will replace the one below when one channel textures are properly supported. * + ******************************************************************************************* + vec4 vSamplesUL = textureGather(ima, (iTexLoc+ivec2(-1,-1) + vec2(0.5,0.5))/vDim ); + vec4 vSamplesUR = textureGather(ima, (iTexLoc+ivec2(1,-1) + vec2(0.5,0.5))/vDim ); + vec4 vSamplesLL = textureGather(ima, (iTexLoc+ivec2(-1,1) + vec2(0.5,0.5))/vDim ); + vec4 vSamplesLR = textureGather(ima, (iTexLoc+ivec2(1,1) + vec2(0.5,0.5))/vDim ); + + mat4 H = mat4(vSamplesUL.w, vSamplesUL.x, vSamplesLL.w, vSamplesLL.x, + vSamplesUL.z, vSamplesUL.y, vSamplesLL.z, vSamplesLL.y, + vSamplesUR.w, vSamplesUR.x, vSamplesLR.w, vSamplesLR.x, + vSamplesUR.z, vSamplesUR.y, vSamplesLR.z, vSamplesLR.y); +*/ + ivec2 iTexLocMod = iTexLoc + ivec2(-1, -1); + + mat4 H; + + for(int i = 0; i < 4; i++){ + for(int j = 0; j < 4; j++){ + ivec2 iTexTmp = iTexLocMod + ivec2(i,j); + + // wrap texture coordinates manually for texelFetch to work on uvs oitside the 0,1 range. + // this is guaranteed to work since we take the fractional part of the uv above. + iTexTmp.x = (iTexTmp.x < 0)? iTexTmp.x + vDim.x : ((iTexTmp.x >= vDim.x)? iTexTmp.x - vDim.x : iTexTmp.x); + iTexTmp.y = (iTexTmp.y < 0)? iTexTmp.y + vDim.y : ((iTexTmp.y >= vDim.y)? iTexTmp.y - vDim.y : iTexTmp.y); + + rgbtobw(texelFetch(ima, iTexTmp, 0), H[i][j]); + } + } + + float x = t.x, y = t.y; + float x2 = x * x, x3 = x2 * x, y2 = y * y, y3 = y2 * y; + + vec4 X = vec4(-0.5*(x3+x)+x2, 1.5*x3-2.5*x2+1, -1.5*x3+2*x2+0.5*x, 0.5*(x3-x2)); + vec4 Y = vec4(-0.5*(y3+y)+y2, 1.5*y3-2.5*y2+1, -1.5*y3+2*y2+0.5*y, 0.5*(y3-y2)); + vec4 dX = vec4(-1.5*x2+2*x-0.5, 4.5*x2-5*x, -4.5*x2+4*x+0.5, 1.5*x2-x); + vec4 dY = vec4(-1.5*y2+2*y-0.5, 4.5*y2-5*y, -4.5*y2+4*y+0.5, 1.5*y2-y); + + // complete derivative in normalized coordinates (mul by vDim) + vec2 dHdST = vDim * vec2(dot(Y, H * dX), dot(dY, H * X)); + + // transform derivative to screen-space + vec2 dHdxy_bicubic = vec2( dHdST.x * TexDx.x + dHdST.y * TexDx.y, + dHdST.x * TexDy.x + dHdST.y * TexDy.y ); + + // blend between the two + dHdxy = dHdxy*(1-fBlend) + dHdxy_bicubic*fBlend; + } + + dBs = hScale * dHdxy.x; + dBt = hScale * dHdxy.y; +} + +#endif + +void mtex_bump_tap5( vec3 texco, sampler2D ima, float hScale, + out float dBs, out float dBt ) +{ + vec2 TexDx = dFdx(texco.xy); + vec2 TexDy = dFdy(texco.xy); + + vec2 STc = texco.xy; + vec2 STl = texco.xy - 0.5 * TexDx ; + vec2 STr = texco.xy + 0.5 * TexDx ; + vec2 STd = texco.xy - 0.5 * TexDy ; + vec2 STu = texco.xy + 0.5 * TexDy ; + + float Hc,Hl,Hr,Hd,Hu; + rgbtobw( texture2D(ima, STc), Hc ); + rgbtobw( texture2D(ima, STl), Hl ); + rgbtobw( texture2D(ima, STr), Hr ); + rgbtobw( texture2D(ima, STd), Hd ); + rgbtobw( texture2D(ima, STu), Hu ); + + dBs = hScale * (Hr - Hl); + dBt = hScale * (Hu - Hd); +} + +void mtex_bump_deriv( vec3 texco, sampler2D ima, float ima_x, float ima_y, float hScale, + out float dBs, out float dBt ) +{ + float s = 1.0; // negate this if flipped texture coordinate + vec2 TexDx = dFdx(texco.xy); + vec2 TexDy = dFdy(texco.xy); + + // this variant using a derivative map is described here + // http://mmikkelsen3d.blogspot.com/2011/07/derivative-maps.html + vec2 dim = vec2(ima_x, ima_y); + vec2 dBduv = hScale*dim*(2.0*texture2D(ima, texco.xy).xy-1.0); + + dBs = dBduv.x*TexDx.x + s*dBduv.y*TexDx.y; + dBt = dBduv.x*TexDy.x + s*dBduv.y*TexDy.y; +} + +void mtex_bump_apply( float fDet, float dBs, float dBt, vec3 vR1, vec3 vR2, vec3 vNacc_in, + out vec3 vNacc_out, out vec3 perturbed_norm ) +{ + vec3 vSurfGrad = sign(fDet) * ( dBs * vR1 + dBt * vR2 ); + + vNacc_out = vNacc_in - vSurfGrad; + perturbed_norm = normalize( vNacc_out ); +} + +void mtex_bump_apply_texspace( float fDet, float dBs, float dBt, vec3 vR1, vec3 vR2, + sampler2D ima, vec3 texco, float ima_x, float ima_y, vec3 vNacc_in, + out vec3 vNacc_out, out vec3 perturbed_norm ) +{ + vec2 TexDx = dFdx(texco.xy); + vec2 TexDy = dFdy(texco.xy); + + vec3 vSurfGrad = sign(fDet) * ( + dBs / length( vec2(ima_x*TexDx.x, ima_y*TexDx.y) ) * vR1 + + dBt / length( vec2(ima_x*TexDy.x, ima_y*TexDy.y) ) * vR2 ); + + vNacc_out = vNacc_in - vSurfGrad; + perturbed_norm = normalize( vNacc_out ); +} + +void mtex_negate_texnormal(vec3 normal, out vec3 outnormal) +{ + outnormal = vec3(-normal.x, -normal.y, normal.z); +} + +void mtex_nspace_tangent(vec4 tangent, vec3 normal, vec3 texnormal, out vec3 outnormal) +{ + vec3 B = tangent.w * cross(normal, tangent.xyz); + + outnormal = texnormal.x*tangent.xyz + texnormal.y*B + texnormal.z*normal; + outnormal = normalize(outnormal); +} + +void mtex_blend_normal(float norfac, vec3 normal, vec3 newnormal, out vec3 outnormal) +{ + outnormal = (1.0 - norfac)*normal + norfac*newnormal; + outnormal = normalize(outnormal); +} + +/******* MATERIAL *********/ + +void lamp_visibility_sun_hemi(vec3 lampvec, out vec3 lv, out float dist, out float visifac) +{ + lv = lampvec; + dist = 1.0; + visifac = 1.0; +} + +void lamp_visibility_other(vec3 co, vec3 lampco, out vec3 lv, out float dist, out float visifac) +{ + lv = co - lampco; + dist = length(lv); + lv = normalize(lv); + visifac = 1.0; +} + +void lamp_falloff_invlinear(float lampdist, float dist, out float visifac) +{ + visifac = lampdist/(lampdist + dist); +} + +void lamp_falloff_invsquare(float lampdist, float dist, out float visifac) +{ + visifac = lampdist/(lampdist + dist*dist); +} + +void lamp_falloff_sliders(float lampdist, float ld1, float ld2, float dist, out float visifac) +{ + float lampdistkw = lampdist*lampdist; + + visifac = lampdist/(lampdist + ld1*dist); + visifac *= lampdistkw/(lampdistkw + ld2*dist*dist); +} + +void lamp_falloff_curve(float lampdist, sampler2D curvemap, float dist, out float visifac) +{ + visifac = texture2D(curvemap, vec2(dist/lampdist, 0.0)).x; +} + +void lamp_visibility_sphere(float lampdist, float dist, float visifac, out float outvisifac) +{ + float t= lampdist - dist; + + outvisifac= visifac*max(t, 0.0)/lampdist; +} + +void lamp_visibility_spot_square(vec3 lampvec, mat4 lampimat, vec3 lv, out float inpr) +{ + if(dot(lv, lampvec) > 0.0) { + vec3 lvrot = (lampimat*vec4(lv, 0.0)).xyz; + float x = max(abs(lvrot.x/lvrot.z), abs(lvrot.y/lvrot.z)); + + inpr = 1.0/sqrt(1.0 + x*x); + } + else + inpr = 0.0; +} + +void lamp_visibility_spot_circle(vec3 lampvec, vec3 lv, out float inpr) +{ + inpr = dot(lv, lampvec); +} + +void lamp_visibility_spot(float spotsi, float spotbl, float inpr, float visifac, out float outvisifac) +{ + float t = spotsi; + + if(inpr <= t) { + outvisifac = 0.0; + } + else { + t = inpr - t; + + /* soft area */ + if(spotbl != 0.0) + inpr *= smoothstep(0.0, 1.0, t/spotbl); + + outvisifac = visifac*inpr; + } +} + +void lamp_visibility_clamp(float visifac, out float outvisifac) +{ + outvisifac = (visifac < 0.001)? 0.0: visifac; +} + +void shade_view(vec3 co, out vec3 view) +{ + /* handle perspective/orthographic */ + view = (gl_ProjectionMatrix[3][3] == 0.0)? normalize(co): vec3(0.0, 0.0, -1.0); +} + +void shade_tangent_v(vec3 lv, vec3 tang, out vec3 vn) +{ + vec3 c = cross(lv, tang); + vec3 vnor = cross(c, tang); + + vn = -normalize(vnor); +} + +void shade_inp(vec3 vn, vec3 lv, out float inp) +{ + inp = dot(vn, lv); +} + +void shade_is_no_diffuse(out float is) +{ + is = 0.0; +} + +void shade_is_hemi(float inp, out float is) +{ + is = 0.5*inp + 0.5; +} + +float area_lamp_energy(mat4 area, vec3 co, vec3 vn) +{ + vec3 vec[4], c[4]; + float rad[4], fac; + + vec[0] = normalize(co - area[0].xyz); + vec[1] = normalize(co - area[1].xyz); + vec[2] = normalize(co - area[2].xyz); + vec[3] = normalize(co - area[3].xyz); + + c[0] = normalize(cross(vec[0], vec[1])); + c[1] = normalize(cross(vec[1], vec[2])); + c[2] = normalize(cross(vec[2], vec[3])); + c[3] = normalize(cross(vec[3], vec[0])); + + rad[0] = acos(dot(vec[0], vec[1])); + rad[1] = acos(dot(vec[1], vec[2])); + rad[2] = acos(dot(vec[2], vec[3])); + rad[3] = acos(dot(vec[3], vec[0])); + + fac= rad[0]*dot(vn, c[0]); + fac+= rad[1]*dot(vn, c[1]); + fac+= rad[2]*dot(vn, c[2]); + fac+= rad[3]*dot(vn, c[3]); + + return max(fac, 0.0); +} + +void shade_inp_area(vec3 position, vec3 lampco, vec3 lampvec, vec3 vn, mat4 area, float areasize, float k, out float inp) +{ + vec3 co = position; + vec3 vec = co - lampco; + + if(dot(vec, lampvec) < 0.0) { + inp = 0.0; + } + else { + float intens = area_lamp_energy(area, co, vn); + + inp = pow(intens*areasize, k); + } +} + +void shade_diffuse_oren_nayer(float nl, vec3 n, vec3 l, vec3 v, float rough, out float is) +{ + vec3 h = normalize(v + l); + float nh = max(dot(n, h), 0.0); + float nv = max(dot(n, v), 0.0); + float realnl = dot(n, l); + + if(realnl < 0.0) { + is = 0.0; + } + else if(nl < 0.0) { + is = 0.0; + } + else { + float vh = max(dot(v, h), 0.0); + float Lit_A = acos(realnl); + float View_A = acos(nv); + + vec3 Lit_B = normalize(l - realnl*n); + vec3 View_B = normalize(v - nv*n); + + float t = max(dot(Lit_B, View_B), 0.0); + + float a, b; + + if(Lit_A > View_A) { + a = Lit_A; + b = View_A; + } + else { + a = View_A; + b = Lit_A; + } + + float A = 1.0 - (0.5*((rough*rough)/((rough*rough) + 0.33))); + float B = 0.45*((rough*rough)/((rough*rough) + 0.09)); + + b *= 0.95; + is = nl*(A + (B * t * sin(a) * tan(b))); + } +} + +void shade_diffuse_toon(vec3 n, vec3 l, vec3 v, float size, float tsmooth, out float is) +{ + float rslt = dot(n, l); + float ang = acos(rslt); + + if(ang < size) is = 1.0; + else if(ang > (size + tsmooth) || tsmooth == 0.0) is = 0.0; + else is = 1.0 - ((ang - size)/tsmooth); +} + +void shade_diffuse_minnaert(float nl, vec3 n, vec3 v, float darkness, out float is) +{ + if(nl <= 0.0) { + is = 0.0; + } + else { + float nv = max(dot(n, v), 0.0); + + if(darkness <= 1.0) + is = nl*pow(max(nv*nl, 0.1), darkness - 1.0); + else + is = nl*pow(1.0001 - nv, darkness - 1.0); + } +} + +float fresnel_fac(vec3 view, vec3 vn, float grad, float fac) +{ + float t1, t2; + float ffac; + + if(fac==0.0) { + ffac = 1.0; + } + else { + t1= dot(view, vn); + if(t1>0.0) t2= 1.0+t1; + else t2= 1.0-t1; + + t2= grad + (1.0-grad)*pow(t2, fac); + + if(t2<0.0) ffac = 0.0; + else if(t2>1.0) ffac = 1.0; + else ffac = t2; + } + + return ffac; +} + +void shade_diffuse_fresnel(vec3 vn, vec3 lv, vec3 view, float fac_i, float fac, out float is) +{ + is = fresnel_fac(lv, vn, fac_i, fac); +} + +void shade_cubic(float is, out float outis) +{ + if(is>0.0 && is<1.0) + outis= smoothstep(0.0, 1.0, is); + else + outis= is; +} + +void shade_visifac(float i, float visifac, float refl, out float outi) +{ + /*if(i > 0.0)*/ + outi = max(i*visifac*refl, 0.0); + /*else + outi = i;*/ +} + +void shade_tangent_v_spec(vec3 tang, out vec3 vn) +{ + vn = tang; +} + +void shade_add_to_diffuse(float i, vec3 lampcol, vec3 col, out vec3 outcol) +{ + if(i > 0.0) + outcol = i*lampcol*col; + else + outcol = vec3(0.0, 0.0, 0.0); +} + +void shade_hemi_spec(vec3 vn, vec3 lv, vec3 view, float spec, float hard, float visifac, out float t) +{ + lv += view; + lv = normalize(lv); + + t = dot(vn, lv); + t = 0.5*t + 0.5; + + t = visifac*spec*pow(t, hard); +} + +void shade_phong_spec(vec3 n, vec3 l, vec3 v, float hard, out float specfac) +{ + vec3 h = normalize(l + v); + float rslt = max(dot(h, n), 0.0); + + specfac = pow(rslt, hard); +} + +void shade_cooktorr_spec(vec3 n, vec3 l, vec3 v, float hard, out float specfac) +{ + vec3 h = normalize(v + l); + float nh = dot(n, h); + + if(nh < 0.0) { + specfac = 0.0; + } + else { + float nv = max(dot(n, v), 0.0); + float i = pow(nh, hard); + + i = i/(0.1+nv); + specfac = i; + } +} + +void shade_blinn_spec(vec3 n, vec3 l, vec3 v, float refrac, float spec_power, out float specfac) +{ + if(refrac < 1.0) { + specfac = 0.0; + } + else if(spec_power == 0.0) { + specfac = 0.0; + } + else { + if(spec_power<100.0) + spec_power= sqrt(1.0/spec_power); + else + spec_power= 10.0/spec_power; + + vec3 h = normalize(v + l); + float nh = dot(n, h); + if(nh < 0.0) { + specfac = 0.0; + } + else { + float nv = max(dot(n, v), 0.01); + float nl = dot(n, l); + if(nl <= 0.01) { + specfac = 0.0; + } + else { + float vh = max(dot(v, h), 0.01); + + float a = 1.0; + float b = (2.0*nh*nv)/vh; + float c = (2.0*nh*nl)/vh; + + float g = 0.0; + + if(a < b && a < c) g = a; + else if(b < a && b < c) g = b; + else if(c < a && c < b) g = c; + + float p = sqrt(((refrac * refrac)+(vh*vh)-1.0)); + float f = (((p-vh)*(p-vh))/((p+vh)*(p+vh)))*(1.0+((((vh*(p+vh))-1.0)*((vh*(p+vh))-1.0))/(((vh*(p-vh))+1.0)*((vh*(p-vh))+1.0)))); + float ang = acos(nh); + + specfac = max(f*g*exp_blender((-(ang*ang)/(2.0*spec_power*spec_power))), 0.0); + } + } + } +} + +void shade_wardiso_spec(vec3 n, vec3 l, vec3 v, float rms, out float specfac) +{ + vec3 h = normalize(l + v); + float nh = max(dot(n, h), 0.001); + float nv = max(dot(n, v), 0.001); + float nl = max(dot(n, l), 0.001); + float angle = tan(acos(nh)); + float alpha = max(rms, 0.001); + + specfac= nl * (1.0/(4.0*M_PI*alpha*alpha))*(exp_blender(-(angle*angle)/(alpha*alpha))/(sqrt(nv*nl))); +} + +void shade_toon_spec(vec3 n, vec3 l, vec3 v, float size, float tsmooth, out float specfac) +{ + vec3 h = normalize(l + v); + float rslt = dot(h, n); + float ang = acos(rslt); + + if(ang < size) rslt = 1.0; + else if(ang >= (size + tsmooth) || tsmooth == 0.0) rslt = 0.0; + else rslt = 1.0 - ((ang - size)/tsmooth); + + specfac = rslt; +} + +void shade_spec_area_inp(float specfac, float inp, out float outspecfac) +{ + outspecfac = specfac*inp; +} + +void shade_spec_t(float shadfac, float spec, float visifac, float specfac, out float t) +{ + t = shadfac*spec*visifac*specfac; +} + +void shade_add_spec(float t, vec3 lampcol, vec3 speccol, out vec3 outcol) +{ + outcol = t*lampcol*speccol; +} + +void shade_add(vec4 col1, vec4 col2, out vec4 outcol) +{ + outcol = col1 + col2; +} + +void shade_madd(vec4 col, vec4 col1, vec4 col2, out vec4 outcol) +{ + outcol = col + col1*col2; +} + +void shade_add_clamped(vec4 col1, vec4 col2, out vec4 outcol) +{ + outcol = col1 + max(col2, vec4(0.0, 0.0, 0.0, 0.0)); +} + +void shade_madd_clamped(vec4 col, vec4 col1, vec4 col2, out vec4 outcol) +{ + outcol = col + max(col1*col2, vec4(0.0, 0.0, 0.0, 0.0)); +} + +void shade_maddf(vec4 col, float f, vec4 col1, out vec4 outcol) +{ + outcol = col + f*col1; +} + +void shade_mul(vec4 col1, vec4 col2, out vec4 outcol) +{ + outcol = col1*col2; +} + +void shade_mul_value(float fac, vec4 col, out vec4 outcol) +{ + outcol = col*fac; +} + +void shade_obcolor(vec4 col, vec4 obcol, out vec4 outcol) +{ + outcol = vec4(col.rgb*obcol.rgb, col.a); +} + +void ramp_rgbtobw(vec3 color, out float outval) +{ + outval = color.r*0.3 + color.g*0.58 + color.b*0.12; +} + +void shade_only_shadow(float i, float shadfac, float energy, out float outshadfac) +{ + outshadfac = i*energy*(1.0 - shadfac); +} + +void shade_only_shadow_diffuse(float shadfac, vec3 rgb, vec4 diff, out vec4 outdiff) +{ + outdiff = diff - vec4(rgb*shadfac, 0.0); +} + +void shade_only_shadow_specular(float shadfac, vec3 specrgb, vec4 spec, out vec4 outspec) +{ + outspec = spec - vec4(specrgb*shadfac, 0.0); +} + +void test_shadowbuf(vec3 rco, sampler2DShadow shadowmap, mat4 shadowpersmat, float shadowbias, float inp, out float result) +{ + if(inp <= 0.0) { + result = 0.0; + } + else { + vec4 co = shadowpersmat*vec4(rco, 1.0); + + //float bias = (1.5 - inp*inp)*shadowbias; + co.z -= shadowbias*co.w; + + if (co.w > 0.0 && co.x > 0.0 && co.x/co.w < 1.0 && co.y > 0.0 && co.y/co.w < 1.0) + result = shadow2DProj(shadowmap, co).x; + else + result = 1.0; + } +} + +void test_shadowbuf_vsm(vec3 rco, sampler2D shadowmap, mat4 shadowpersmat, float shadowbias, float bleedbias, float inp, out float result) +{ + if(inp <= 0.0) { + result = 0.0; + } + else { + vec4 co = shadowpersmat*vec4(rco, 1.0); + if (co.w > 0.0 && co.x > 0.0 && co.x/co.w < 1.0 && co.y > 0.0 && co.y/co.w < 1.0) { + vec2 moments = texture2DProj(shadowmap, co).rg; + float dist = co.z/co.w; + float p = 0.0; + + if(dist <= moments.x) + p = 1.0; + + float variance = moments.y - (moments.x*moments.x); + variance = max(variance, shadowbias/10.0); + + float d = moments.x - dist; + float p_max = variance / (variance + d*d); + + // Now reduce light-bleeding by removing the [0, x] tail and linearly rescaling (x, 1] + p_max = clamp((p_max-bleedbias)/(1.0-bleedbias), 0.0, 1.0); + + result = max(p, p_max); + } + else { + result = 1.0; + } + } +} + +void shade_light_texture(vec3 rco, sampler2D cookie, mat4 shadowpersmat, out vec4 result) +{ + + vec4 co = shadowpersmat*vec4(rco, 1.0); + + result = texture2DProj(cookie, co); +} + +void shade_exposure_correct(vec3 col, float linfac, float logfac, out vec3 outcol) +{ + outcol = linfac*(1.0 - exp(col*logfac)); +} + +void shade_mist_factor(vec3 co, float miststa, float mistdist, float misttype, float misi, out float outfac) +{ + float fac, zcor; + + zcor = (gl_ProjectionMatrix[3][3] == 0.0)? length(co): -co[2]; + + fac = clamp((zcor-miststa)/mistdist, 0.0, 1.0); + if(misttype == 0.0) fac *= fac; + else if(misttype == 1.0); + else fac = sqrt(fac); + + outfac = 1.0 - (1.0-fac)*(1.0-misi); +} + +void shade_world_mix(vec3 hor, vec4 col, out vec4 outcol) +{ + float fac = clamp(col.a, 0.0, 1.0); + outcol = vec4(mix(hor, col.rgb, fac), col.a); +} + +void shade_alpha_opaque(vec4 col, out vec4 outcol) +{ + outcol = vec4(col.rgb, 1.0); +} + +void shade_alpha_obcolor(vec4 col, vec4 obcol, out vec4 outcol) +{ + outcol = vec4(col.rgb, col.a*obcol.a); +} + +/*********** NEW SHADER UTILITIES **************/ + +float fresnel_dielectric(vec3 Incoming, vec3 Normal, float eta) +{ + /* compute fresnel reflectance without explicitly computing + the refracted direction */ + float c = abs(dot(Incoming, Normal)); + float g = eta * eta - 1.0 + c * c; + float result; + + if(g > 0.0) { + g = sqrt(g); + float A =(g - c)/(g + c); + float B =(c *(g + c)- 1.0)/(c *(g - c)+ 1.0); + result = 0.5 * A * A *(1.0 + B * B); + } + else + result = 1.0; /* TIR (no refracted component) */ + + return result; +} + +float hypot(float x, float y) +{ + return sqrt(x*x + y*y); +} + +/*********** NEW SHADER NODES ***************/ + +#define NUM_LIGHTS 3 + +/* bsdfs */ + +void node_bsdf_diffuse(vec4 color, float roughness, vec3 N, out vec4 result) +{ + /* ambient light */ + vec3 L = vec3(0.2); + + /* directional lights */ + for(int i = 0; i < NUM_LIGHTS; i++) { + vec3 light_position = gl_LightSource[i].position.xyz; + vec3 light_diffuse = gl_LightSource[i].diffuse.rgb; + + float bsdf = max(dot(N, light_position), 0.0); + L += light_diffuse*bsdf; + } + + result = vec4(L*color.rgb, 1.0); +} + +void node_bsdf_glossy(vec4 color, float roughness, vec3 N, vec3 I, out vec4 result) +{ + /* ambient light */ + vec3 L = vec3(0.2); + + /* directional lights */ + for(int i = 0; i < NUM_LIGHTS; i++) { + vec3 light_position = gl_LightSource[i].position.xyz; + vec3 H = gl_LightSource[i].halfVector.xyz; + vec3 light_diffuse = gl_LightSource[i].diffuse.rgb; + vec3 light_specular = gl_LightSource[i].specular.rgb; + + /* we mix in some diffuse so low roughness still shows up */ + float bsdf = 0.5*pow(max(dot(N, H), 0.0), 1.0/roughness); + bsdf += 0.5*max(dot(N, light_position), 0.0); + L += light_specular*bsdf; + } + + result = vec4(L*color.rgb, 1.0); +} + +void node_bsdf_anisotropic(vec4 color, float roughnessU, float roughnessV, vec3 N, vec3 I, out vec4 result) +{ + node_bsdf_diffuse(color, 0.0, N, result); +} + +void node_bsdf_glass(vec4 color, float roughness, float ior, vec3 N, vec3 I, out vec4 result) +{ + node_bsdf_diffuse(color, 0.0, N, result); +} + +void node_bsdf_translucent(vec4 color, vec3 N, out vec4 result) +{ + node_bsdf_diffuse(color, 0.0, N, result); +} + +void node_bsdf_transparent(vec4 color, out vec4 result) +{ + /* this isn't right */ + result.r = color.r; + result.g = color.g; + result.b = color.b; + result.a = 0.0; +} + +void node_bsdf_velvet(vec4 color, float sigma, vec3 N, out vec4 result) +{ + node_bsdf_diffuse(color, 0.0, N, result); +} + +/* emission */ + +void node_emission(vec4 color, float strength, vec3 N, out vec4 result) +{ + result = color*strength; +} + +/* closures */ + +void node_mix_shader(float fac, vec4 shader1, vec4 shader2, out vec4 shader) +{ + shader = mix(shader1, shader2, fac); +} + +void node_add_shader(vec4 shader1, vec4 shader2, out vec4 shader) +{ + shader = shader1 + shader2; +} + +/* fresnel */ + +void node_fresnel(float ior, vec3 N, vec3 I, out float result) +{ + float eta = max(ior, 0.00001); + result = fresnel_dielectric(I, N, eta); //backfacing()? 1.0/eta: eta); +} + +/* geometry */ + +void node_geometry(vec3 I, vec3 N, mat4 toworld, + out vec3 position, out vec3 normal, out vec3 tangent, + out vec3 true_normal, out vec3 incoming, out vec3 parametric, + out float backfacing) +{ + position = (toworld*vec4(I, 1.0)).xyz; + normal = N; + tangent = vec3(0.0); + true_normal = N; + incoming = I; + parametric = vec3(0.0); + backfacing = 0.0; +} + +void node_tex_coord(vec3 I, vec3 N, mat4 viewinvmat, mat4 obinvmat, + vec3 attr_orco, vec3 attr_uv, + out vec3 generated, out vec3 normal, out vec3 uv, out vec3 object, + out vec3 camera, out vec3 window, out vec3 reflection) +{ + generated = attr_orco; + normal = normalize((obinvmat*(viewinvmat*vec4(N, 0.0))).xyz); + uv = attr_uv; + object = I; + camera = I; + window = gl_FragCoord.xyz; + reflection = reflect(N, I); + +} + +/* textures */ + +void node_tex_gradient(vec3 co, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_checker(vec3 co, vec4 color1, vec4 color2, float scale, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_clouds(vec3 co, float size, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_environment(vec3 co, sampler2D ima, out vec4 color) +{ + float u = (atan(co.y, co.x) + M_PI)/(2.0*M_PI); + float v = atan(co.z, hypot(co.x, co.y))/M_PI + 0.5; + + color = texture2D(ima, vec2(u, v)); +} + +void node_tex_image(vec3 co, sampler2D ima, out vec4 color, out float alpha) +{ + color = texture2D(ima, co.xy); + alpha = color.a; +} + +void node_tex_magic(vec3 p, float scale, float distortion, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_musgrave(vec3 co, float scale, float detail, float dimension, float lacunarity, float offset, float gain, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_noise(vec3 co, float scale, float detail, float distortion, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_sky(vec3 co, out vec4 color) +{ + color = vec4(1.0); +} + +void node_tex_voronoi(vec3 co, float scale, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +void node_tex_wave(vec3 co, float scale, float distortion, float detail, float detail_scale, out vec4 color, out float fac) +{ + color = vec4(1.0); + fac = 1.0; +} + +/* light path */ + +void node_light_path( + out float is_camera_ray, + out float is_shadow_ray, + out float is_diffuse_ray, + out float is_glossy_ray, + out float is_singular_ray, + out float is_reflection_ray, + out float is_transmission_ray) +{ + is_camera_ray = 1.0; + is_shadow_ray = 0.0; + is_diffuse_ray = 0.0; + is_glossy_ray = 0.0; + is_singular_ray = 0.0; + is_reflection_ray = 0.0; + is_transmission_ray = 0.0; +} + +/* output */ + +void node_output_material(vec4 surface, vec4 volume, float displacement, out vec4 result) +{ + result = surface; +} + diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl.c b/source/blender/gpu/shaders/gpu_shader_material.glsl.c new file mode 100644 index 00000000000..b8086ed9c0a --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_material.glsl.c @@ -0,0 +1,1658 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_material_glsl_size = 52836; +char datatoc_gpu_shader_material_glsl[] = { + 13, 10,102,108, +111, 97,116, 32,101,120,112, 95, 98,108,101,110,100,101,114, 40,102,108,111, 97,116, 32,102, 41, 13, 10,123, 13, 10, 9,114,101, +116,117,114,110, 32,112,111,119, 40, 50, 46, 55, 49, 56, 50, 56, 49, 56, 50, 56, 52, 54, 44, 32,102, 41, 59, 13, 10,125, 13, 10, + 13, 10,118,111,105,100, 32,114,103, 98, 95,116,111, 95,104,115,118, 40,118,101, 99, 52, 32,114,103, 98, 44, 32,111,117,116, 32, +118,101, 99, 52, 32,111,117,116, 99,111,108, 41, 13, 10,123, 13, 10, 9,102,108,111, 97,116, 32, 99,109, 97,120, 44, 32, 99,109, +105,110, 44, 32,104, 44, 32,115, 44, 32,118, 44, 32, 99,100,101,108,116, 97, 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99,116,105,111,110, 95,114, 97,121, 44, + 13, 10, 9,111,117,116, 32,102,108,111, 97,116, 32,105,115, 95,116,114, 97,110,115,109,105,115,115,105,111,110, 95,114, 97,121, + 41, 13, 10,123, 13, 10, 9,105,115, 95, 99, 97,109,101,114, 97, 95,114, 97,121, 32, 61, 32, 49, 46, 48, 59, 13, 10, 9,105,115, + 95,115,104, 97,100,111,119, 95,114, 97,121, 32, 61, 32, 48, 46, 48, 59, 13, 10, 9,105,115, 95,100,105,102,102,117,115,101, 95, +114, 97,121, 32, 61, 32, 48, 46, 48, 59, 13, 10, 9,105,115, 95,103,108,111,115,115,121, 95,114, 97,121, 32, 61, 32, 48, 46, 48, + 59, 13, 10, 9,105,115, 95,115,105,110,103,117,108, 97,114, 95,114, 97,121, 32, 61, 32, 48, 46, 48, 59, 13, 10, 9,105,115, 95, +114,101,102,108,101, 99,116,105,111,110, 95,114, 97,121, 32, 61, 32, 48, 46, 48, 59, 13, 10, 9,105,115, 95,116,114, 97,110,115, +109,105,115,115,105,111,110, 95,114, 97,121, 32, 61, 32, 48, 46, 48, 59, 13, 10,125, 13, 10, 13, 10, 47, 42, 32,111,117,116,112, +117,116, 32, 42, 47, 13, 10, 13, 10,118,111,105,100, 32,110,111,100,101, 95,111,117,116,112,117,116, 95,109, 97,116,101,114,105, + 97,108, 40,118,101, 99, 52, 32,115,117,114,102, 97, 99,101, 44, 32,118,101, 99, 52, 32,118,111,108,117,109,101, 44, 32,102,108, +111, 97,116, 32,100,105,115,112,108, 97, 99,101,109,101,110,116, 44, 32,111,117,116, 32,118,101, 99, 52, 32,114,101,115,117,108, +116, 41, 13, 10,123, 13, 10, 9,114,101,115,117,108,116, 32, 61, 32,115,117,114,102, 97, 99,101, 59, 13, 10,125, 13, 10, 13, 10, + 0}; + diff --git a/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl new file mode 100644 index 00000000000..5f0de8ae0fd --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl @@ -0,0 +1,16 @@ +uniform vec2 ScaleU; +uniform sampler2D textureSource; + +void main() +{ + vec4 color = vec4(0.0); + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( -3.0*ScaleU.x, -3.0*ScaleU.y ) ) * 0.015625; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( -2.0*ScaleU.x, -2.0*ScaleU.y ) )*0.09375; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( -1.0*ScaleU.x, -1.0*ScaleU.y ) )*0.234375; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( 0.0 , 0.0) )*0.3125; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( 1.0*ScaleU.x, 1.0*ScaleU.y ) )*0.234375; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( 2.0*ScaleU.x, 2.0*ScaleU.y ) )*0.09375; + color += texture2D( textureSource, gl_TexCoord[0].st + vec2( 3.0*ScaleU.x, -3.0*ScaleU.y ) ) * 0.015625; + + gl_FragColor = color; +} diff --git a/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl.c b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl.c new file mode 100644 index 00000000000..3419a1f6936 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_frag.glsl.c @@ -0,0 +1,33 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_sep_gaussian_blur_frag_glsl_size = 848; +char datatoc_gpu_shader_sep_gaussian_blur_frag_glsl[] = { +117,110,105,102,111,114,109, 32,118,101, 99, 50, 32, 83, 99, 97, +108,101, 85, 59, 13, 10,117,110,105,102,111,114,109, 32,115, 97,109,112,108,101,114, 50, 68, 32,116,101,120,116,117,114,101, 83, +111,117,114, 99,101, 59, 13, 10, 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10,123, 13, 10, 9,118,101, 99, 52, 32, + 99,111,108,111,114, 32, 61, 32,118,101, 99, 52, 40, 48, 46, 48, 41, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, 61, 32,116,101, +120,116,117,114,101, 50, 68, 40, 32,116,101,120,116,117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84,101,120, 67,111, +111,114,100, 91, 48, 93, 46,115,116, 32, 43, 32,118,101, 99, 50, 40, 32, 45, 51, 46, 48, 42, 83, 99, 97,108,101, 85, 46,120, 44, + 32, 45, 51, 46, 48, 42, 83, 99, 97,108,101, 85, 46,121, 32, 41, 32, 41, 32, 42, 32, 48, 46, 48, 49, 53, 54, 50, 53, 59, 13, 10, + 9, 99,111,108,111,114, 32, 43, 61, 32,116,101,120,116,117,114,101, 50, 68, 40, 32,116,101,120,116,117,114,101, 83,111,117,114, + 99,101, 44, 32,103,108, 95, 84,101,120, 67,111,111,114,100, 91, 48, 93, 46,115,116, 32, 43, 32,118,101, 99, 50, 40, 32, 45, 50, + 46, 48, 42, 83, 99, 97,108,101, 85, 46,120, 44, 32, 45, 50, 46, 48, 42, 83, 99, 97,108,101, 85, 46,121, 32, 41, 32, 41, 42, 48, + 46, 48, 57, 51, 55, 53, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, 61, 32,116,101,120,116,117,114,101, 50, 68, 40, 32,116,101, +120,116,117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84,101,120, 67,111,111,114,100, 91, 48, 93, 46,115,116, 32, 43, + 32,118,101, 99, 50, 40, 32, 45, 49, 46, 48, 42, 83, 99, 97,108,101, 85, 46,120, 44, 32, 45, 49, 46, 48, 42, 83, 99, 97,108,101, + 85, 46,121, 32, 41, 32, 41, 42, 48, 46, 50, 51, 52, 51, 55, 53, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, 61, 32,116,101,120, +116,117,114,101, 50, 68, 40, 32,116,101,120,116,117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84,101,120, 67,111,111, +114,100, 91, 48, 93, 46,115,116, 32, 43, 32,118,101, 99, 50, 40, 32, 48, 46, 48, 32, 44, 32, 48, 46, 48, 41, 32, 41, 42, 48, 46, + 51, 49, 50, 53, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, 61, 32,116,101,120,116,117,114,101, 50, 68, 40, 32,116,101,120,116, +117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84,101,120, 67,111,111,114,100, 91, 48, 93, 46,115,116, 32, 43, 32,118, +101, 99, 50, 40, 32, 49, 46, 48, 42, 83, 99, 97,108,101, 85, 46,120, 44, 32, 32, 49, 46, 48, 42, 83, 99, 97,108,101, 85, 46,121, + 32, 41, 32, 41, 42, 48, 46, 50, 51, 52, 51, 55, 53, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, 61, 32,116,101,120,116,117,114, +101, 50, 68, 40, 32,116,101,120,116,117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84,101,120, 67,111,111,114,100, 91, + 48, 93, 46,115,116, 32, 43, 32,118,101, 99, 50, 40, 32, 50, 46, 48, 42, 83, 99, 97,108,101, 85, 46,120, 44, 32, 32, 50, 46, 48, + 42, 83, 99, 97,108,101, 85, 46,121, 32, 41, 32, 41, 42, 48, 46, 48, 57, 51, 55, 53, 59, 13, 10, 9, 99,111,108,111,114, 32, 43, + 61, 32,116,101,120,116,117,114,101, 50, 68, 40, 32,116,101,120,116,117,114,101, 83,111,117,114, 99,101, 44, 32,103,108, 95, 84, +101,120, 67,111,111,114,100, 91, 48, 93, 46,115,116, 32, 43, 32,118,101, 99, 50, 40, 32, 51, 46, 48, 42, 83, 99, 97,108,101, 85, + 46,120, 44, 32, 45, 51, 46, 48, 42, 83, 99, 97,108,101, 85, 46,121, 32, 41, 32, 41, 32, 42, 32, 48, 46, 48, 49, 53, 54, 50, 53, + 59, 13, 10, 13, 10, 9,103,108, 95, 70,114, 97,103, 67,111,108,111,114, 32, 61, 32, 99,111,108,111,114, 59, 13, 10,125, 13, 10, + 0}; + diff --git a/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl new file mode 100644 index 00000000000..9bb2e7ad469 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl @@ -0,0 +1,6 @@ + +void main() +{ + gl_Position = ftransform(); + gl_TexCoord[0] = gl_MultiTexCoord0; +} diff --git a/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl.c b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl.c new file mode 100644 index 00000000000..5eea72503ce --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_sep_gaussian_blur_vert.glsl.c @@ -0,0 +1,9 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_sep_gaussian_blur_vert_glsl_size = 92; +char datatoc_gpu_shader_sep_gaussian_blur_vert_glsl[] = { + 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10,123, 13, 10, 9, 9,103,108, 95, 80,111,115,105,116, +105,111,110, 32, 61, 32,102,116,114, 97,110,115,102,111,114,109, 40, 41, 59, 13, 10, 9, 9,103,108, 95, 84,101,120, 67,111,111, +114,100, 91, 48, 93, 32, 61, 32, 32,103,108, 95, 77,117,108,116,105, 84,101,120, 67,111,111,114,100, 48, 59, 13, 10,125, 13, 10, + 0}; + diff --git a/source/blender/gpu/shaders/gpu_shader_vertex.glsl b/source/blender/gpu/shaders/gpu_shader_vertex.glsl new file mode 100644 index 00000000000..a86431bdd7a --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vertex.glsl @@ -0,0 +1,12 @@ + +varying vec3 varposition; +varying vec3 varnormal; + +void main() +{ + vec4 co = gl_ModelViewMatrix * gl_Vertex; + + varposition = co.xyz; + varnormal = normalize(gl_NormalMatrix * gl_Normal); + gl_Position = gl_ProjectionMatrix * co; + diff --git a/source/blender/gpu/shaders/gpu_shader_vertex.glsl.c b/source/blender/gpu/shaders/gpu_shader_vertex.glsl.c new file mode 100644 index 00000000000..bd827efd1b7 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vertex.glsl.c @@ -0,0 +1,14 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_vertex_glsl_size = 240; +char datatoc_gpu_shader_vertex_glsl[] = { + 13, 10,118, 97,114,121,105,110,103, 32,118,101, 99, 51, 32,118, + 97,114,112,111,115,105,116,105,111,110, 59, 13, 10,118, 97,114,121,105,110,103, 32,118,101, 99, 51, 32,118, 97,114,110,111,114, +109, 97,108, 59, 13, 10, 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10,123, 13, 10, 9,118,101, 99, 52, 32, 99,111, + 32, 61, 32,103,108, 95, 77,111,100,101,108, 86,105,101,119, 77, 97,116,114,105,120, 32, 42, 32,103,108, 95, 86,101,114,116,101, +120, 59, 13, 10, 13, 10, 9,118, 97,114,112,111,115,105,116,105,111,110, 32, 61, 32, 99,111, 46,120,121,122, 59, 13, 10, 9,118, + 97,114,110,111,114,109, 97,108, 32, 61, 32,110,111,114,109, 97,108,105,122,101, 40,103,108, 95, 78,111,114,109, 97,108, 77, 97, +116,114,105,120, 32, 42, 32,103,108, 95, 78,111,114,109, 97,108, 41, 59, 13, 10, 9,103,108, 95, 80,111,115,105,116,105,111,110, + 32, 61, 32,103,108, 95, 80,114,111,106,101, 99,116,105,111,110, 77, 97,116,114,105,120, 32, 42, 32, 99,111, 59, 13, 10, 13, 10, + 0}; + diff --git a/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl b/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl new file mode 100644 index 00000000000..4838289ff9e --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl @@ -0,0 +1,21 @@ +/** + * This fragment shader was initially found at http://fabiensanglard.net/shadowmappingVSM/index.php + */ + +varying vec4 v_position; + +void main() +{ + float depth = v_position.z / v_position.w; + depth = depth * 0.5 + 0.5; + + float moment1 = depth; + float moment2 = depth * depth; + + // Adjusting moments using partial derivative + float dx = dFdx(depth); + float dy = dFdy(depth); + moment2 += 0.25*(dx*dx+dy*dy); + + gl_FragColor = vec4(moment1, moment2, 0.0, 0.0); +} diff --git a/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl.c b/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl.c new file mode 100644 index 00000000000..c4f4f76edaf --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vsm_store_frag.glsl.c @@ -0,0 +1,22 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_vsm_store_frag_glsl_size = 482; +char datatoc_gpu_shader_vsm_store_frag_glsl[] = { + 47, 42, + 42, 13, 10, 32, 42, 32, 84,104,105,115, 32,102,114, 97,103,109,101,110,116, 32,115,104, 97,100,101,114, 32,119, 97,115, 32,105, +110,105,116,105, 97,108,108,121, 32,102,111,117,110,100, 32, 97,116, 32,104,116,116,112, 58, 47, 47,102, 97, 98,105,101,110,115, + 97,110,103,108, 97,114,100, 46,110,101,116, 47,115,104, 97,100,111,119,109, 97,112,112,105,110,103, 86, 83, 77, 47,105,110,100, +101,120, 46,112,104,112, 13, 10, 32, 42, 47, 13, 10, 13, 10,118, 97,114,121,105,110,103, 32,118,101, 99, 52, 32,118, 95,112,111, +115,105,116,105,111,110, 59, 13, 10, 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10,123, 13, 10, 9,102,108,111, 97, +116, 32,100,101,112,116,104, 32, 61, 32,118, 95,112,111,115,105,116,105,111,110, 46,122, 32, 47, 32,118, 95,112,111,115,105,116, +105,111,110, 46,119, 59, 13, 10, 9,100,101,112,116,104, 32, 61, 32,100,101,112,116,104, 32, 42, 32, 48, 46, 53, 32, 43, 32, 48, + 46, 53, 59, 13, 10, 13, 10, 9,102,108,111, 97,116, 32,109,111,109,101,110,116, 49, 32, 61, 32,100,101,112,116,104, 59, 13, 10, + 9,102,108,111, 97,116, 32,109,111,109,101,110,116, 50, 32, 61, 32,100,101,112,116,104, 32, 42, 32,100,101,112,116,104, 59, 13, + 10, 13, 10, 9, 47, 47, 32, 65,100,106,117,115,116,105,110,103, 32,109,111,109,101,110,116,115, 32,117,115,105,110,103, 32,112, + 97,114,116,105, 97,108, 32,100,101,114,105,118, 97,116,105,118,101, 13, 10, 9,102,108,111, 97,116, 32,100,120, 32, 61, 32,100, + 70,100,120, 40,100,101,112,116,104, 41, 59, 13, 10, 9,102,108,111, 97,116, 32,100,121, 32, 61, 32,100, 70,100,121, 40,100,101, +112,116,104, 41, 59, 13, 10, 9,109,111,109,101,110,116, 50, 32, 43, 61, 32, 48, 46, 50, 53, 42, 40,100,120, 42,100,120, 43,100, +121, 42,100,121, 41, 59, 13, 10, 13, 10, 9,103,108, 95, 70,114, 97,103, 67,111,108,111,114, 32, 61, 32,118,101, 99, 52, 40,109, +111,109,101,110,116, 49, 44, 32,109,111,109,101,110,116, 50, 44, 32, 48, 46, 48, 44, 32, 48, 46, 48, 41, 59, 13, 10,125, 13, 10, + 0}; + diff --git a/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl b/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl new file mode 100644 index 00000000000..224c3e78adc --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl @@ -0,0 +1,7 @@ +varying vec4 v_position; + +void main() +{ + gl_Position = ftransform(); + v_position = gl_Position; +} diff --git a/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl.c b/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl.c new file mode 100644 index 00000000000..51b9cab372f --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_vsm_store_vert.glsl.c @@ -0,0 +1,10 @@ +/* DataToC output of file */ + +int datatoc_gpu_shader_vsm_store_vert_glsl_size = 105; +char datatoc_gpu_shader_vsm_store_vert_glsl[] = { +118, 97,114,121,105,110,103, 32,118, +101, 99, 52, 32,118, 95,112,111,115,105,116,105,111,110, 59, 13, 10, 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10, +123, 13, 10, 9,103,108, 95, 80,111,115,105,116,105,111,110, 32, 61, 32,102,116,114, 97,110,115,102,111,114,109, 40, 41, 59, 13, + 10, 9,118, 95,112,111,115,105,116,105,111,110, 32, 61, 32,103,108, 95, 80,111,115,105,116,105,111,110, 59, 13, 10,125, 13, 10, + 0}; + diff --git a/source/blender/makesdna/DNA_lamp_types.h b/source/blender/makesdna/DNA_lamp_types.h index 8cf3814ada1..4884db14c57 100644 --- a/source/blender/makesdna/DNA_lamp_types.h +++ b/source/blender/makesdna/DNA_lamp_types.h @@ -66,7 +66,7 @@ typedef struct Lamp { short pad2; float clipsta, clipend, shadspotsize; - float bias, soft, compressthresh, pad5[3]; + float bias, soft, compressthresh, bleedbias, pad5[2]; short bufsize, samp, buffers, filtertype; char bufflag, buftype; @@ -76,7 +76,7 @@ typedef struct Lamp { float area_size, area_sizey, area_sizez; float adapt_thresh; short ray_samp_method; - short pad1; + short shadowmap_type; /* texact is for buttons */ short texact, shadhalostep; @@ -96,8 +96,9 @@ typedef struct Lamp { float atm_distance_factor; float skyblendfac; float sky_exposure; + float shadow_frustum_size; /* BGE Only */ short sky_colorspace; - char pad4[6]; + char pad4[2]; struct Ipo *ipo DNA_DEPRECATED; /* old animation system, deprecated for 2.5 */ struct MTex *mtex[18]; /* MAX_MTEX */ @@ -205,6 +206,9 @@ typedef struct Lamp { #define LAMAP_COL 1 #define LAMAP_SHAD 2 +/* shadowmap_type */ +#define LA_SHADMAP_SIMPLE 0 +#define LA_SHADMAP_VARIANCE 1 #endif /* __DNA_LAMP_TYPES_H__ */ diff --git a/source/blender/makesrna/intern/rna_lamp.c b/source/blender/makesrna/intern/rna_lamp.c index dda287a164c..22001cf6bae 100644 --- a/source/blender/makesrna/intern/rna_lamp.c +++ b/source/blender/makesrna/intern/rna_lamp.c @@ -86,6 +86,24 @@ static void rna_Lamp_active_texture_set(PointerRNA *ptr, PointerRNA value) set_current_lamp_texture(la, value.data); } +static int rna_use_shadow_get(PointerRNA *ptr) +{ + Lamp *la = (Lamp*)ptr->data; + return la->mode & LA_SHAD_BUF; +} + +static void rna_use_shadow_set(PointerRNA *ptr, int value) +{ + Lamp *la = (Lamp*)ptr->data; + if (value) + { + la->mode |= LA_SHAD_BUF; + la->mode &= ~LA_SHAD_RAY; + } + else + la->mode &= ~(LA_SHAD_BUF + LA_SHAD_RAY); +} + static StructRNA* rna_Lamp_refine(struct PointerRNA *ptr) { Lamp *la = (Lamp*)ptr->data; @@ -464,12 +482,135 @@ static void rna_def_lamp_shadow(StructRNA *srna, int spot, int area) {LA_SAMP_CONSTANT, "CONSTANT_JITTERED", 0, "Constant Jittered", ""}, {0, NULL, 0, NULL, NULL}}; - prop = RNA_def_property(srna, "shadow_method", PROP_ENUM, PROP_NONE); + static EnumPropertyItem prop_shadbuftype_items[] = { + {LA_SHADBUF_REGULAR, "REGULAR", 0, "Classical", "Classic shadow buffer"}, + {LA_SHADBUF_HALFWAY, "HALFWAY", 0, "Classic-Halfway", + "Regular buffer, averaging the closest and 2nd closest Z value to reducing " + "bias artifacts"}, + {LA_SHADBUF_IRREGULAR, "IRREGULAR", 0, "Irregular", + "Irregular buffer produces sharp shadow always, but it doesn't show up for raytracing"}, + {LA_SHADBUF_DEEP, "DEEP", 0, "Deep", + "Deep shadow buffer supports transparency and better filtering, at the cost of " + "more memory usage and processing time"}, + {0, NULL, 0, NULL, NULL}}; + + static EnumPropertyItem prop_shadbuffiltertype_items[] = { + {LA_SHADBUF_BOX , "BOX", 0, "Box", "Apply the Box filter to shadow buffer samples"}, + {LA_SHADBUF_TENT, "TENT", 0, "Tent", "Apply the Tent Filter to shadow buffer samples"}, + {LA_SHADBUF_GAUSS, "GAUSS", 0, "Gauss", "Apply the Gauss filter to shadow buffer samples"}, + {0, NULL, 0, NULL, NULL}}; + + static EnumPropertyItem prop_numbuffer_items[] = { + {1, "BUFFERS_1", 0, "1", "Only one buffer rendered"}, + {4, "BUFFERS_4", 0, "4", "Renders 4 buffers for better AA, this quadruples memory usage"}, + {9, "BUFFERS_9", 0, "9", "Renders 9 buffers for better AA, this uses nine times more memory"}, + {0, NULL, 0, NULL, NULL}}; + + /* GE only */ + static EnumPropertyItem prop_ge_shadowbuffer_type_items[] = { + {LA_SHADMAP_SIMPLE, "SIMPLE", 0, "Simple", "Simple shadow maps"}, + {LA_SHADMAP_VARIANCE, "VARIANCE", 0, "Variance", "Variance shadow maps"}, + {0, NULL, 0, NULL, NULL}}; + + prop= RNA_def_property(srna, "use_shadow", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_funcs(prop, "rna_use_shadow_get", "rna_use_shadow_set"); + RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); + + prop= RNA_def_property(srna, "shadow_method", PROP_ENUM, PROP_NONE); RNA_def_property_enum_bitflag_sdna(prop, NULL, "mode"); RNA_def_property_enum_items(prop, (spot)? prop_spot_shadow_items: prop_shadow_items); - RNA_def_property_ui_text(prop, "Shadow Method", "Method to compute lamp shadow with"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_size", PROP_INT, PROP_NONE); + RNA_def_property_int_sdna(prop, NULL, "bufsize"); + RNA_def_property_range(prop, 512, 10240); + RNA_def_property_ui_text(prop, "Shadow Buffer Size", + "Resolution of the shadow buffer, higher values give crisper shadows " + "but use more memory"); + RNA_def_property_int_funcs(prop, NULL, "rna_Lamp_buffer_size_set", NULL); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_filter_type", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "filtertype"); + RNA_def_property_enum_items(prop, prop_shadbuffiltertype_items); + RNA_def_property_ui_text(prop, "Shadow Filter Type", "Type of shadow filter (Buffer Shadows)"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_sample_buffers", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "buffers"); + RNA_def_property_enum_items(prop, prop_numbuffer_items); + RNA_def_property_ui_text(prop, "Shadow Sample Buffers", + "Number of shadow buffers to render for better AA, this increases memory usage"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_clip_start", PROP_FLOAT, PROP_DISTANCE); + RNA_def_property_float_sdna(prop, NULL, "clipsta"); + RNA_def_property_range(prop, 0.0f, 9999.0f); + RNA_def_property_ui_text(prop, "Shadow Buffer Clip Start", + "Shadow map clip start, below which objects will not generate shadows"); + RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); + + prop= RNA_def_property(srna, "shadow_buffer_clip_end", PROP_FLOAT, PROP_DISTANCE); + RNA_def_property_float_sdna(prop, NULL, "clipend"); + RNA_def_property_range(prop, 0.0f, 9999.0f); + RNA_def_property_ui_text(prop, "Shadow Buffer Clip End", + "Shadow map clip end, beyond which objects will not generate shadows"); + RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); + + prop = RNA_def_property(srna, "shadow_buffer_bias", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "bias"); + RNA_def_property_range(prop, 0.001f, 5.0f); + RNA_def_property_ui_text(prop, "Shadow Buffer Bias", "Shadow buffer sampling bias"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_bleed_bias", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "bleedbias"); + RNA_def_property_range(prop, 0.f, 1.f); + RNA_def_property_ui_text(prop, "Shadow Buffer Bleed Bias", "Bias for reducing light-bleed on variance shadow maps"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_soft", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "soft"); + RNA_def_property_range(prop, 0.0f, 100.0f); + RNA_def_property_ui_text(prop, "Shadow Buffer Soft", "Size of shadow buffer sampling area"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_samples", PROP_INT, PROP_NONE); + RNA_def_property_int_sdna(prop, NULL, "samp"); + RNA_def_property_range(prop, 1, 16); + RNA_def_property_ui_text(prop, "Samples", "Number of shadow buffer samples"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "shadow_buffer_type", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "buftype"); + RNA_def_property_enum_items(prop, prop_shadbuftype_items); + RNA_def_property_ui_text(prop, "Shadow Buffer Type", "Type of shadow buffer"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + prop = RNA_def_property(srna, "ge_shadow_buffer_type", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "shadowmap_type"); + RNA_def_property_enum_items(prop, prop_ge_shadowbuffer_type_items); + RNA_def_property_ui_text(prop, "Shadow Map Type", "The shadow mapping algorithm used"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + + + prop = RNA_def_property(srna, "use_auto_clip_start", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "bufflag", LA_SHADBUF_AUTO_START); + RNA_def_property_ui_text(prop, "Autoclip Start", + "Automatic calculation of clipping-start, based on visible vertices"); + RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); + + prop = RNA_def_property(srna, "use_auto_clip_end", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "bufflag", LA_SHADBUF_AUTO_END); + RNA_def_property_ui_text(prop, "Autoclip End", "Automatic calculation of clipping-end, based on visible vertices"); RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); + prop = RNA_def_property(srna, "compression_threshold", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "compressthresh"); + RNA_def_property_range(prop, 0.0f, 1.0f); + RNA_def_property_ui_text(prop, "Compress", "Deep shadow map compression threshold"); + RNA_def_property_update(prop, 0, "rna_Lamp_update"); + prop = RNA_def_property(srna, "shadow_color", PROP_FLOAT, PROP_COLOR); RNA_def_property_float_sdna(prop, NULL, "shdwr"); RNA_def_property_array(prop, 3); @@ -599,18 +740,6 @@ static void rna_def_spot_lamp(BlenderRNA *brna) StructRNA *srna; PropertyRNA *prop; - static EnumPropertyItem prop_shadbuftype_items[] = { - {LA_SHADBUF_REGULAR, "REGULAR", 0, "Classical", "Classic shadow buffer"}, - {LA_SHADBUF_HALFWAY, "HALFWAY", 0, "Classic-Halfway", - "Regular buffer, averaging the closest and 2nd closest Z value to reducing " - "bias artifacts"}, - {LA_SHADBUF_IRREGULAR, "IRREGULAR", 0, "Irregular", - "Irregular buffer produces sharp shadow always, but it doesn't show up for raytracing"}, - {LA_SHADBUF_DEEP, "DEEP", 0, "Deep", - "Deep shadow buffer supports transparency and better filtering, at the cost of " - "more memory usage and processing time"}, - {0, NULL, 0, NULL, NULL}}; - static EnumPropertyItem prop_shadbuffiltertype_items[] = { {LA_SHADBUF_BOX, "BOX", 0, "Box", "Apply the Box filter to shadow buffer samples"}, {LA_SHADBUF_TENT, "TENT", 0, "Tent", "Apply the Tent Filter to shadow buffer samples"}, @@ -653,28 +782,6 @@ static void rna_def_spot_lamp(BlenderRNA *brna) RNA_def_property_ui_text(prop, "Halo Step", "Volumetric halo sampling frequency"); RNA_def_property_update(prop, 0, "rna_Lamp_update"); - prop = RNA_def_property(srna, "shadow_buffer_size", PROP_INT, PROP_NONE); - RNA_def_property_int_sdna(prop, NULL, "bufsize"); - RNA_def_property_range(prop, 512, 10240); - RNA_def_property_ui_text(prop, "Shadow Buffer Size", - "Resolution of the shadow buffer, higher values give crisper shadows " - "but use more memory"); - RNA_def_property_int_funcs(prop, NULL, "rna_Lamp_buffer_size_set", NULL); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "shadow_filter_type", PROP_ENUM, PROP_NONE); - RNA_def_property_enum_sdna(prop, NULL, "filtertype"); - RNA_def_property_enum_items(prop, prop_shadbuffiltertype_items); - RNA_def_property_ui_text(prop, "Shadow Filter Type", "Type of shadow filter (Buffer Shadows)"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "shadow_sample_buffers", PROP_ENUM, PROP_NONE); - RNA_def_property_enum_sdna(prop, NULL, "buffers"); - RNA_def_property_enum_items(prop, prop_numbuffer_items); - RNA_def_property_ui_text(prop, "Shadow Sample Buffers", - "Number of shadow buffers to render for better AA, this increases memory usage"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - prop = RNA_def_property(srna, "spot_blend", PROP_FLOAT, PROP_NONE); RNA_def_property_float_sdna(prop, NULL, "spotblend"); RNA_def_property_range(prop, 0.0f, 1.0f); @@ -694,61 +801,6 @@ static void rna_def_spot_lamp(BlenderRNA *brna) RNA_def_property_ui_text(prop, "Show Cone", "Draw transparent cone in 3D view to visualize which objects are contained in it"); RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); - - prop = RNA_def_property(srna, "shadow_buffer_clip_start", PROP_FLOAT, PROP_DISTANCE); - RNA_def_property_float_sdna(prop, NULL, "clipsta"); - RNA_def_property_range(prop, 0.0f, 9999.0f); - RNA_def_property_ui_text(prop, "Shadow Buffer Clip Start", - "Shadow map clip start, below which objects will not generate shadows"); - RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); - - prop = RNA_def_property(srna, "shadow_buffer_clip_end", PROP_FLOAT, PROP_DISTANCE); - RNA_def_property_float_sdna(prop, NULL, "clipend"); - RNA_def_property_range(prop, 0.0f, 9999.0f); - RNA_def_property_ui_text(prop, "Shadow Buffer Clip End", - "Shadow map clip end, beyond which objects will not generate shadows"); - RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); - - prop = RNA_def_property(srna, "shadow_buffer_bias", PROP_FLOAT, PROP_NONE); - RNA_def_property_float_sdna(prop, NULL, "bias"); - RNA_def_property_range(prop, 0.001f, 5.0f); - RNA_def_property_ui_text(prop, "Shadow Buffer Bias", "Shadow buffer sampling bias"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "shadow_buffer_soft", PROP_FLOAT, PROP_NONE); - RNA_def_property_float_sdna(prop, NULL, "soft"); - RNA_def_property_range(prop, 0.0f, 100.0f); - RNA_def_property_ui_text(prop, "Shadow Buffer Soft", "Size of shadow buffer sampling area"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "shadow_buffer_samples", PROP_INT, PROP_NONE); - RNA_def_property_int_sdna(prop, NULL, "samp"); - RNA_def_property_range(prop, 1, 16); - RNA_def_property_ui_text(prop, "Samples", "Number of shadow buffer samples"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "shadow_buffer_type", PROP_ENUM, PROP_NONE); - RNA_def_property_enum_sdna(prop, NULL, "buftype"); - RNA_def_property_enum_items(prop, prop_shadbuftype_items); - RNA_def_property_ui_text(prop, "Shadow Buffer Type", "Type of shadow buffer"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); - - prop = RNA_def_property(srna, "use_auto_clip_start", PROP_BOOLEAN, PROP_NONE); - RNA_def_property_boolean_sdna(prop, NULL, "bufflag", LA_SHADBUF_AUTO_START); - RNA_def_property_ui_text(prop, "Autoclip Start", - "Automatic calculation of clipping-start, based on visible vertices"); - RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); - - prop = RNA_def_property(srna, "use_auto_clip_end", PROP_BOOLEAN, PROP_NONE); - RNA_def_property_boolean_sdna(prop, NULL, "bufflag", LA_SHADBUF_AUTO_END); - RNA_def_property_ui_text(prop, "Autoclip End", "Automatic calculation of clipping-end, based on visible vertices"); - RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); - - prop = RNA_def_property(srna, "compression_threshold", PROP_FLOAT, PROP_NONE); - RNA_def_property_float_sdna(prop, NULL, "compressthresh"); - RNA_def_property_range(prop, 0.0f, 1.0f); - RNA_def_property_ui_text(prop, "Compress", "Deep shadow map compression threshold"); - RNA_def_property_update(prop, 0, "rna_Lamp_update"); } static void rna_def_sun_lamp(BlenderRNA *brna) @@ -771,6 +823,13 @@ static void rna_def_sun_lamp(BlenderRNA *brna) RNA_def_property_ui_text(prop, "Sky Settings", "Sky related settings for sun lamps"); rna_def_lamp_sky_settings(brna); + + /* BGE Only */ + prop= RNA_def_property(srna, "shadow_frustum_size", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "shadow_frustum_size"); + RNA_def_property_ui_range(prop, 0.001, 100.0, 2, 1); + RNA_def_property_ui_text(prop, "Frustum Size", "Size of the frustum used for creating the shadow map"); + RNA_def_property_update(prop, 0, "rna_Lamp_draw_update"); } static void rna_def_hemi_lamp(BlenderRNA *brna) diff --git a/source/gameengine/Ketsji/KX_Light.cpp b/source/gameengine/Ketsji/KX_Light.cpp index 7e9d95b37a2..5922e97aaf4 100644 --- a/source/gameengine/Ketsji/KX_Light.cpp +++ b/source/gameengine/Ketsji/KX_Light.cpp @@ -45,6 +45,7 @@ #include "DNA_object_types.h" #include "DNA_scene_types.h" +#include "DNA_lamp_types.h" #include "GPU_material.h" KX_LightObject::KX_LightObject(void* sgReplicationInfo,SG_Callbacks callbacks, @@ -267,6 +268,22 @@ void KX_LightObject::UnbindShadowBuffer(RAS_IRasterizer *ras) GPU_lamp_shadow_buffer_unbind(lamp); } +struct Image *KX_LightObject::GetTextureImage(short texslot) +{ + Lamp *la = (Lamp*)GetBlenderObject()->data; + + if (texslot >= MAX_MTEX || texslot < 0) + { + printf("KX_LightObject::GetTextureImage(): texslot exceeds slot bounds (0-%d)\n", MAX_MTEX-1); + return NULL; + } + + if (la->mtex[texslot]) + return la->mtex[texslot]->tex->ima; + + return NULL; +} + #ifdef WITH_PYTHON /* ------------------------------------------------------------------------- */ /* Python Integration Hooks */ diff --git a/source/gameengine/Ketsji/KX_Light.h b/source/gameengine/Ketsji/KX_Light.h index c2815e7afaa..9fe13f471ba 100644 --- a/source/gameengine/Ketsji/KX_Light.h +++ b/source/gameengine/Ketsji/KX_Light.h @@ -66,6 +66,7 @@ public: int GetShadowLayer(); void BindShadowBuffer(class RAS_IRasterizer *ras, class KX_Camera *cam, class MT_Transform& camtrans); void UnbindShadowBuffer(class RAS_IRasterizer *ras); + struct Image *GetTextureImage(short texslot); void Update(); void UpdateScene(class KX_Scene *kxscene) {m_lightobj.m_scene = (void*)kxscene;} diff --git a/source/gameengine/VideoTexture/Texture.cpp b/source/gameengine/VideoTexture/Texture.cpp index 40e9f899ef0..382d3d0bc32 100644 --- a/source/gameengine/VideoTexture/Texture.cpp +++ b/source/gameengine/VideoTexture/Texture.cpp @@ -30,6 +30,7 @@ http://www.gnu.org/copyleft/lesser.txt. #include #include +#include #include #include #include @@ -59,6 +60,7 @@ http://www.gnu.org/copyleft/lesser.txt. // Blender GameObject type BlendType gameObjectType ("KX_GameObject"); +BlendType lightObjectType ("KX_LightObject"); // load texture @@ -105,6 +107,16 @@ RAS_IPolyMaterial * getMaterial (PyObject *obj, short matID) return NULL; } +// get pointer to a lamp +KX_LightObject * getLamp(PyObject *obj) +{ + // if object is available + if (obj == NULL) return NULL; + + // returns NULL if obj is not a KX_LightObject + return lightObjectType.checkType(obj); +} + // get material ID short getMaterialID(PyObject * obj, const char *name) @@ -206,6 +218,7 @@ int Texture_init (Texture *self, PyObject *args, PyObject *kwds) { // get pointer to texture image RAS_IPolyMaterial * mat = getMaterial(obj, matID); + KX_LightObject * lamp = getLamp(obj); if (mat != NULL) { // is it blender material or polygon material @@ -227,6 +240,12 @@ int Texture_init (Texture *self, PyObject *args, PyObject *kwds) self->m_useMatTexture = false; } } + else if (lamp != NULL) + { + self->m_imgTexture = lamp->GetTextureImage(texID); + self->m_useMatTexture = false; + } + // check if texture is available, if not, initialization failed if (self->m_imgTexture == NULL && self->m_matTexture == NULL) // throw exception if initialization failed -- cgit v1.2.3