diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_draw.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_draw.c | 1725 |
1 files changed, 321 insertions, 1404 deletions
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c index 022de6c72fe..7383868843d 100644 --- a/source/blender/gpu/intern/gpu_draw.c +++ b/source/blender/gpu/intern/gpu_draw.c @@ -31,15 +31,13 @@ * Utility functions for dealing with OpenGL texture & material context, * mipmap generation and light objects. * - * These are some obscure rendering functions shared between the - * game engine and the blender, in this module to avoid duplication + * These are some obscure rendering functions shared between the game engine (not anymore) + * and the blender, in this module to avoid duplication * and abstract them away from the rest a bit. */ #include <string.h> -#include "GPU_glew.h" - #include "BLI_blenlib.h" #include "BLI_hash.h" #include "BLI_linklist.h" @@ -72,15 +70,12 @@ #include "BKE_node.h" #include "BKE_scene.h" #include "BKE_DerivedMesh.h" -#ifdef WITH_GAMEENGINE -# include "BKE_object.h" -#endif #include "GPU_basic_shader.h" -#include "GPU_buffers.h" #include "GPU_draw.h" #include "GPU_extensions.h" #include "GPU_material.h" +#include "GPU_matrix.h" #include "GPU_shader.h" #include "GPU_texture.h" @@ -99,141 +94,20 @@ extern Material defmaterial; /* from material.c */ -/* Text Rendering */ - -static void gpu_mcol(unsigned int ucol) -{ - /* mcol order is swapped */ - const char *cp = (char *)&ucol; - glColor3ub(cp[3], cp[2], cp[1]); -} - -void GPU_render_text( - MTexPoly *mtexpoly, int mode, - const char *textstr, int textlen, unsigned int *col, - const float *v_quad[4], const float *uv_quad[4], - int glattrib) -{ - if ((mode & GEMAT_TEXT) && (textlen > 0) && mtexpoly->tpage) { - const float *v1 = v_quad[0]; - const float *v2 = v_quad[1]; - const float *v3 = v_quad[2]; - const float *v4 = v_quad[3]; - Image *ima = (Image *)mtexpoly->tpage; - const size_t textlen_st = textlen; - float centerx, centery, sizex, sizey, transx, transy, movex, movey, advance; - - /* multiline */ - float line_start = 0.0f, line_height; - - if (v4) - line_height = max_ffff(v1[1], v2[1], v3[1], v4[2]) - min_ffff(v1[1], v2[1], v3[1], v4[2]); - else - line_height = max_fff(v1[1], v2[1], v3[1]) - min_fff(v1[1], v2[1], v3[1]); - line_height *= 1.2f; /* could be an option? */ - /* end multiline */ - - - /* color has been set */ - if (mtexpoly->mode & TF_OBCOL) - col = NULL; - else if (!col) - glColor3f(1.0f, 1.0f, 1.0f); - - glPushMatrix(); - - /* get the tab width */ - ImBuf *first_ibuf = BKE_image_get_first_ibuf(ima); - matrixGlyph(first_ibuf, ' ', ¢erx, ¢ery, - &sizex, &sizey, &transx, &transy, &movex, &movey, &advance); - - float advance_tab = advance * 4; /* tab width could also be an option */ - - - for (size_t index = 0; index < textlen_st; ) { - unsigned int character; - float uv[4][2]; - - /* lets calculate offset stuff */ - character = BLI_str_utf8_as_unicode_and_size_safe(textstr + index, &index); - - if (character == '\n') { - glTranslatef(line_start, -line_height, 0.0f); - line_start = 0.0f; - continue; - } - else if (character == '\t') { - glTranslatef(advance_tab, 0.0f, 0.0f); - line_start -= advance_tab; /* so we can go back to the start of the line */ - continue; - - } - else if (character > USHRT_MAX) { - /* not much we can do here bmfonts take ushort */ - character = '?'; - } - - /* space starts at offset 1 */ - /* character = character - ' ' + 1; */ - matrixGlyph(first_ibuf, character, & centerx, ¢ery, - &sizex, &sizey, &transx, &transy, &movex, &movey, &advance); - - uv[0][0] = (uv_quad[0][0] - centerx) * sizex + transx; - uv[0][1] = (uv_quad[0][1] - centery) * sizey + transy; - uv[1][0] = (uv_quad[1][0] - centerx) * sizex + transx; - uv[1][1] = (uv_quad[1][1] - centery) * sizey + transy; - uv[2][0] = (uv_quad[2][0] - centerx) * sizex + transx; - uv[2][1] = (uv_quad[2][1] - centery) * sizey + transy; - - glBegin(GL_POLYGON); - if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[0]); - else glTexCoord2fv(uv[0]); - if (col) gpu_mcol(col[0]); - glVertex3f(sizex * v1[0] + movex, sizey * v1[1] + movey, v1[2]); - - if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[1]); - else glTexCoord2fv(uv[1]); - if (col) gpu_mcol(col[1]); - glVertex3f(sizex * v2[0] + movex, sizey * v2[1] + movey, v2[2]); - - if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[2]); - else glTexCoord2fv(uv[2]); - if (col) gpu_mcol(col[2]); - glVertex3f(sizex * v3[0] + movex, sizey * v3[1] + movey, v3[2]); - - if (v4) { - uv[3][0] = (uv_quad[3][0] - centerx) * sizex + transx; - uv[3][1] = (uv_quad[3][1] - centery) * sizey + transy; - - if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[3]); - else glTexCoord2fv(uv[3]); - if (col) gpu_mcol(col[3]); - glVertex3f(sizex * v4[0] + movex, sizey * v4[1] + movey, v4[2]); - } - glEnd(); - - glTranslatef(advance, 0.0f, 0.0f); - line_start -= advance; /* so we can go back to the start of the line */ - } - glPopMatrix(); - - BKE_image_release_ibuf(ima, first_ibuf, NULL); - } -} - -/* Checking powers of two for images since OpenGL ES requires it */ - +//* Checking powers of two for images since OpenGL ES requires it */ +#ifdef WITH_DDS static bool is_power_of_2_resolution(int w, int h) { return is_power_of_2_i(w) && is_power_of_2_i(h); } +#endif static bool is_over_resolution_limit(GLenum textarget, int w, int h) { int size = (textarget == GL_TEXTURE_2D) ? GPU_max_texture_size() : GPU_max_cube_map_size(); int reslimit = (U.glreslimit != 0) ? - min_ii(U.glreslimit, size) : size; + min_ii(U.glreslimit, size) : size; return (w > reslimit || h > reslimit); } @@ -253,12 +127,6 @@ static int smaller_power_of_2_limit(int num) /* Current OpenGL state caching for GPU_set_tpage */ static struct GPUTextureState { - int curtile, tile; - int curtilemode, tilemode; - int curtileXRep, tileXRep; - int curtileYRep, tileYRep; - Image *ima, *curima; - /* also controls min/mag filtering */ bool domipmap; /* only use when 'domipmap' is set */ @@ -266,11 +134,9 @@ static struct GPUTextureState { /* store this so that new images created while texture painting won't be set to mipmapped */ bool texpaint; - int alphablend; float anisotropic; int gpu_mipmap; - MTexPoly *lasttface; -} GTS = {0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, 1, 0, 0, -1, 1.0f, 0, NULL}; +} GTS = {1, 0, 0, 1.0f, 0}; /* Mipmap settings */ @@ -279,36 +145,13 @@ void GPU_set_gpu_mipmapping(Main *bmain, int gpu_mipmap) int old_value = GTS.gpu_mipmap; /* only actually enable if it's supported */ - GTS.gpu_mipmap = gpu_mipmap && GLEW_EXT_framebuffer_object; + GTS.gpu_mipmap = gpu_mipmap; if (old_value != GTS.gpu_mipmap) { GPU_free_images(bmain); } } -static void gpu_generate_mipmap(GLenum target) -{ - const bool is_ati = GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_ANY, GPU_DRIVER_ANY); - int target_enabled = 0; - - /* work around bug in ATI driver, need to have GL_TEXTURE_2D enabled - * http://www.opengl.org/wiki/Common_Mistakes#Automatic_mipmap_generation */ - if (is_ati) { - target_enabled = glIsEnabled(target); - if (!target_enabled) - glEnable(target); - } - - /* TODO: simplify when we transition to GL >= 3 */ - if (GLEW_VERSION_3_0 || GLEW_ARB_framebuffer_object) - glGenerateMipmap(target); - else if (GLEW_EXT_framebuffer_object) - glGenerateMipmapEXT(target); - - if (is_ati && !target_enabled) - glDisable(target); -} - void GPU_set_mipmap(Main *bmain, bool mipmap) { if (GTS.domipmap != mipmap) { @@ -381,136 +224,14 @@ float GPU_get_anisotropic(void) /* Set OpenGL state for an MTFace */ -static void gpu_make_repbind(Image *ima) -{ - ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL); - if (ibuf == NULL) - return; - - if (ima->repbind) { - glDeleteTextures(ima->totbind, (GLuint *)ima->repbind); - MEM_freeN(ima->repbind); - ima->repbind = NULL; - ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; - } - - ima->totbind = ima->xrep * ima->yrep; - - if (ima->totbind > 1) { - ima->repbind = MEM_callocN(sizeof(int) * ima->totbind, "repbind"); - } - - BKE_image_release_ibuf(ima, ibuf, NULL); -} - -static unsigned int *gpu_get_image_bindcode(Image *ima, GLenum textarget) +static GPUTexture **gpu_get_image_gputexture(Image *ima, GLenum textarget) { - unsigned int *bind = 0; - if (textarget == GL_TEXTURE_2D) - bind = &ima->bindcode[TEXTARGET_TEXTURE_2D]; + return &ima->gputexture[TEXTARGET_TEXTURE_2D]; else if (textarget == GL_TEXTURE_CUBE_MAP) - bind = &ima->bindcode[TEXTARGET_TEXTURE_CUBE_MAP]; - - return bind; -} - -void GPU_clear_tpage(bool force) -{ - if (GTS.lasttface == NULL && !force) - return; - - GTS.lasttface = NULL; - GTS.curtile = 0; - GTS.curima = NULL; - if (GTS.curtilemode != 0) { - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - } - GTS.curtilemode = 0; - GTS.curtileXRep = 0; - GTS.curtileYRep = 0; - GTS.alphablend = -1; - - glDisable(GL_BLEND); - glDisable(GL_TEXTURE_2D); - glDisable(GL_TEXTURE_GEN_S); - glDisable(GL_TEXTURE_GEN_T); - glDisable(GL_ALPHA_TEST); -} - -static void gpu_set_alpha_blend(GPUBlendMode alphablend) -{ - if (alphablend == GPU_BLEND_SOLID) { - glDisable(GL_BLEND); - glDisable(GL_ALPHA_TEST); - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - } - else if (alphablend == GPU_BLEND_ADD) { - glEnable(GL_BLEND); - glBlendFunc(GL_ONE, GL_ONE); - glDisable(GL_ALPHA_TEST); - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); - } - else if (ELEM(alphablend, GPU_BLEND_ALPHA, GPU_BLEND_ALPHA_SORT)) { - glEnable(GL_BLEND); - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); + return &ima->gputexture[TEXTARGET_TEXTURE_CUBE_MAP]; - /* for OpenGL render we use the alpha channel, this makes alpha blend correct */ - glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); - - /* if U.glalphaclip == 1.0, some cards go bonkers... - * turn off alpha test in this case */ - - /* added after 2.45 to clip alpha */ - if (U.glalphaclip == 1.0f) { - glDisable(GL_ALPHA_TEST); - } - else { - glEnable(GL_ALPHA_TEST); - glAlphaFunc(GL_GREATER, U.glalphaclip); - } - } - else if (alphablend == GPU_BLEND_CLIP) { - glDisable(GL_BLEND); - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); - glEnable(GL_ALPHA_TEST); - glAlphaFunc(GL_GREATER, 0.5f); - } - else if (alphablend == GPU_BLEND_ALPHA_TO_COVERAGE) { - glEnable(GL_ALPHA_TEST); - glAlphaFunc(GL_GREATER, U.glalphaclip); - glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE); - } -} - -static void gpu_verify_alpha_blend(int alphablend) -{ - /* verify alpha blending modes */ - if (GTS.alphablend == alphablend) - return; - - gpu_set_alpha_blend(alphablend); - GTS.alphablend = alphablend; -} - -static void gpu_verify_reflection(Image *ima) -{ - if (ima && (ima->flag & IMA_REFLECT)) { - /* enable reflection mapping */ - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); - - glEnable(GL_TEXTURE_GEN_S); - glEnable(GL_TEXTURE_GEN_T); - } - else { - /* disable reflection mapping */ - glDisable(GL_TEXTURE_GEN_S); - glDisable(GL_TEXTURE_GEN_T); - } + return NULL; } typedef struct VerifyThreadData { @@ -534,8 +255,6 @@ static void gpu_verify_high_bit_srgb_buffer_slice(float *srgb_frect, ibuf->x, height, ibuf->x, ibuf->x); IMB_buffer_float_unpremultiply(current_srgb_frect, ibuf->x, height); - /* Clamp buffer colors to 1.0 to avoid artifacts due to glu for hdr images. */ - IMB_buffer_float_clamp(current_srgb_frect, ibuf->x, height); } static void verify_thread_do(void *data_v, @@ -565,67 +284,45 @@ static void gpu_verify_high_bit_srgb_buffer(float *srgb_frect, } } -int GPU_verify_image( - Image *ima, ImageUser *iuser, - int textarget, int tftile, bool compare, bool mipmap, bool is_data) +GPUTexture *GPU_texture_from_blender(Image *ima, + ImageUser *iuser, + int textarget, + bool is_data, + double UNUSED(time)) { - unsigned int *bind = NULL; - int tpx = 0, tpy = 0; - unsigned int *rect = NULL; - float *frect = NULL; - float *srgb_frect = NULL; - /* flag to determine whether deep format is used */ - bool use_high_bit_depth = false, do_color_management = false; - - /* initialize tile mode and number of repeats */ - GTS.ima = ima; - GTS.tilemode = (ima && (ima->tpageflag & (IMA_TILES | IMA_TWINANIM))); - GTS.tileXRep = 0; - GTS.tileYRep = 0; - - /* setting current tile according to frame */ - if (ima && (ima->tpageflag & IMA_TWINANIM)) - GTS.tile = ima->lastframe; - else - GTS.tile = tftile; - - GTS.tile = MAX2(0, GTS.tile); - - if (ima) { - GTS.tileXRep = ima->xrep; - GTS.tileYRep = ima->yrep; + if (ima == NULL) { + return NULL; } - /* if same image & tile, we're done */ - if (compare && ima == GTS.curima && GTS.curtile == GTS.tile && - GTS.tilemode == GTS.curtilemode && GTS.curtileXRep == GTS.tileXRep && - GTS.curtileYRep == GTS.tileYRep) - { - return (ima != NULL); + /* Test if we already have a texture. */ + GPUTexture **tex = gpu_get_image_gputexture(ima, textarget); + if (*tex) { + return *tex; } - /* if tiling mode or repeat changed, change texture matrix to fit */ - if (GTS.tilemode != GTS.curtilemode || GTS.curtileXRep != GTS.tileXRep || - GTS.curtileYRep != GTS.tileYRep) - { - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - - if (ima && (ima->tpageflag & IMA_TILES)) - glScalef(ima->xrep, ima->yrep, 1.0f); - - glMatrixMode(GL_MODELVIEW); + /* Check if we have a valid image. If not, we return a dummy + * texture with zero bindcode so we don't keep trying. */ + unsigned int bindcode = 0; + if (ima->ok == 0) { + *tex = GPU_texture_from_bindcode(textarget, bindcode); + return *tex; } - /* check if we have a valid image */ - if (ima == NULL || ima->ok == 0) - return 0; + /* currently, tpage refresh is used by ima sequences */ + if (ima->tpageflag & IMA_TPAGE_REFRESH) { + GPU_free_image(ima); + ima->tpageflag &= ~IMA_TPAGE_REFRESH; + } /* check if we have a valid image buffer */ ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL); + if (ibuf == NULL) { + *tex = GPU_texture_from_bindcode(textarget, bindcode); + return *tex; + } - if (ibuf == NULL) - return 0; + /* flag to determine whether deep format is used */ + bool use_high_bit_depth = false, do_color_management = false; if (ibuf->rect_float) { if (U.use_16bit_textures) { @@ -647,121 +344,33 @@ int GPU_verify_image( } } - /* currently, tpage refresh is used by ima sequences */ - if (ima->tpageflag & IMA_TPAGE_REFRESH) { - GPU_free_image(ima); - ima->tpageflag &= ~IMA_TPAGE_REFRESH; - } - - if (GTS.tilemode) { - /* tiled mode */ - if (ima->repbind == NULL) gpu_make_repbind(ima); - if (GTS.tile >= ima->totbind) GTS.tile = 0; - - /* this happens when you change repeat buttons */ - if (ima->repbind && textarget == GL_TEXTURE_2D) bind = &ima->repbind[GTS.tile]; - else bind = gpu_get_image_bindcode(ima, textarget); - - if (*bind == 0) { - short texwindx = ibuf->x / ima->xrep; - short texwindy = ibuf->y / ima->yrep; - - if (GTS.tile >= ima->xrep * ima->yrep) - GTS.tile = ima->xrep * ima->yrep - 1; - - short texwinsy = GTS.tile / ima->xrep; - short texwinsx = GTS.tile - texwinsy * ima->xrep; - - texwinsx *= texwindx; - texwinsy *= texwindy; - - tpx = texwindx; - tpy = texwindy; - - if (use_high_bit_depth) { - if (do_color_management) { - srgb_frect = MEM_mallocN(ibuf->x * ibuf->y * sizeof(float) * 4, "floar_buf_col_cor"); - gpu_verify_high_bit_srgb_buffer(srgb_frect, ibuf); - frect = srgb_frect + (4 * (texwinsy * ibuf->x + texwinsx)); - } - else { - frect = ibuf->rect_float + (ibuf->channels * (texwinsy * ibuf->x + texwinsx)); - } - } - else { - rect = ibuf->rect + texwinsy * ibuf->x + texwinsx; - } - } - } - else { - /* regular image mode */ - bind = gpu_get_image_bindcode(ima, textarget); - - if (*bind == 0) { - tpx = ibuf->x; - tpy = ibuf->y; - rect = ibuf->rect; - if (use_high_bit_depth) { - if (do_color_management) { - frect = srgb_frect = MEM_mallocN(ibuf->x * ibuf->y * sizeof(*srgb_frect) * 4, "floar_buf_col_cor"); - gpu_verify_high_bit_srgb_buffer(srgb_frect, ibuf); - } - else - frect = ibuf->rect_float; - } - } - } - - if (*bind != 0) { - /* enable opengl drawing with textures */ - glBindTexture(textarget, *bind); - BKE_image_release_ibuf(ima, ibuf, NULL); - return *bind; - } - - const int rectw = tpx; - const int recth = tpy; - - unsigned *tilerect = NULL; - float *ftilerect = NULL; - - /* for tiles, copy only part of image into buffer */ - if (GTS.tilemode) { - if (use_high_bit_depth) { - ftilerect = MEM_mallocN(rectw * recth * sizeof(*ftilerect), "tilerect"); - - for (int y = 0; y < recth; y++) { - const float *frectrow = &frect[y * ibuf->x]; - float *ftilerectrow = &ftilerect[y * rectw]; - - memcpy(ftilerectrow, frectrow, tpx * sizeof(*frectrow)); - } + const int rectw = ibuf->x; + const int recth = ibuf->y; + unsigned int *rect = ibuf->rect; + float *frect = NULL; + float *srgb_frect = NULL; - frect = ftilerect; + if (use_high_bit_depth) { + if (do_color_management) { + frect = srgb_frect = MEM_mallocN(ibuf->x * ibuf->y * sizeof(*srgb_frect) * 4, "floar_buf_col_cor"); + gpu_verify_high_bit_srgb_buffer(srgb_frect, ibuf); } else { - tilerect = MEM_mallocN(rectw * recth * sizeof(*tilerect), "tilerect"); - - for (int y = 0; y < recth; y++) { - const unsigned *rectrow = &rect[y * ibuf->x]; - unsigned *tilerectrow = &tilerect[y * rectw]; - - memcpy(tilerectrow, rectrow, tpx * sizeof(*rectrow)); - } - - rect = tilerect; + frect = ibuf->rect_float; } } + const bool mipmap = GPU_get_mipmap(); + #ifdef WITH_DDS if (ibuf->ftype == IMB_FTYPE_DDS) - GPU_create_gl_tex_compressed(bind, rect, rectw, recth, textarget, mipmap, ima, ibuf); + GPU_create_gl_tex_compressed(&bindcode, rect, rectw, recth, textarget, mipmap, ima, ibuf); else #endif - GPU_create_gl_tex(bind, rect, frect, rectw, recth, textarget, mipmap, use_high_bit_depth, ima); + GPU_create_gl_tex(&bindcode, rect, frect, rectw, recth, textarget, mipmap, use_high_bit_depth, ima); /* mark as non-color data texture */ - if (*bind) { + if (bindcode) { if (is_data) ima->tpageflag |= IMA_GLBIND_IS_DATA; else @@ -769,16 +378,13 @@ int GPU_verify_image( } /* clean up */ - if (tilerect) - MEM_freeN(tilerect); - if (ftilerect) - MEM_freeN(ftilerect); if (srgb_frect) MEM_freeN(srgb_frect); BKE_image_release_ibuf(ima, ibuf, NULL); - return *bind; + *tex = GPU_texture_from_bindcode(textarget, bindcode); + return *tex; } static void **gpu_gen_cube_map(unsigned int *rect, float *frect, int rectw, int recth, bool use_high_bit_depth) @@ -858,30 +464,6 @@ void GPU_create_gl_tex( int tpx = rectw; int tpy = recth; - /* scale if not a power of two. this is not strictly necessary for newer - * GPUs (OpenGL version >= 2.0) since they support non-power-of-two-textures - * Then don't bother scaling for hardware that supports NPOT textures! */ - if (textarget == GL_TEXTURE_2D && - ((!GPU_full_non_power_of_two_support() && !is_power_of_2_resolution(rectw, recth)) || - is_over_resolution_limit(textarget, rectw, recth))) - { - rectw = smaller_power_of_2_limit(rectw); - recth = smaller_power_of_2_limit(recth); - - if (use_high_bit_depth) { - ibuf = IMB_allocFromBuffer(NULL, frect, tpx, tpy); - IMB_scaleImBuf(ibuf, rectw, recth); - - frect = ibuf->rect_float; - } - else { - ibuf = IMB_allocFromBuffer(rect, NULL, tpx, tpy); - IMB_scaleImBuf(ibuf, rectw, recth); - - rect = ibuf->rect; - } - } - /* create image */ glGenTextures(1, (GLuint *)bind); glBindTexture(textarget, *bind); @@ -889,7 +471,7 @@ void GPU_create_gl_tex( if (textarget == GL_TEXTURE_2D) { if (use_high_bit_depth) { if (GLEW_ARB_texture_float) - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, rectw, recth, 0, GL_RGBA, GL_FLOAT, frect); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, rectw, recth, 0, GL_RGBA, GL_FLOAT, frect); else glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, rectw, recth, 0, GL_RGBA, GL_FLOAT, frect); } @@ -900,7 +482,7 @@ void GPU_create_gl_tex( if (GPU_get_mipmap() && mipmap) { if (GTS.gpu_mipmap) { - gpu_generate_mipmap(GL_TEXTURE_2D); + glGenerateMipmap(GL_TEXTURE_2D); } else { int i; @@ -918,7 +500,7 @@ void GPU_create_gl_tex( ImBuf *mip = ibuf->mipmap[i - 1]; if (use_high_bit_depth) { if (GLEW_ARB_texture_float) - glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA16F_ARB, mip->x, mip->y, 0, GL_RGBA, GL_FLOAT, mip->rect_float); + glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA16F, mip->x, mip->y, 0, GL_RGBA, GL_FLOAT, mip->rect_float); else glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA16, mip->x, mip->y, 0, GL_RGBA, GL_FLOAT, mip->rect_float); } @@ -940,7 +522,7 @@ void GPU_create_gl_tex( if (h == w && is_power_of_2_i(h) && !is_over_resolution_limit(textarget, h, w)) { void **cube_map = gpu_gen_cube_map(rect, frect, rectw, recth, use_high_bit_depth); - GLenum informat = use_high_bit_depth ? (GLEW_ARB_texture_float ? GL_RGBA16F_ARB : GL_RGBA16) : GL_RGBA8; + GLenum informat = use_high_bit_depth ? (GLEW_ARB_texture_float ? GL_RGBA16F : GL_RGBA16) : GL_RGBA8; GLenum type = use_high_bit_depth ? GL_FLOAT : GL_UNSIGNED_BYTE; if (cube_map) @@ -951,7 +533,7 @@ void GPU_create_gl_tex( if (GPU_get_mipmap() && mipmap) { if (GTS.gpu_mipmap) { - gpu_generate_mipmap(GL_TEXTURE_CUBE_MAP); + glGenerateMipmap(GL_TEXTURE_CUBE_MAP); } else { if (!ibuf) { @@ -975,7 +557,7 @@ void GPU_create_gl_tex( if (mip_cube_map) { for (int j = 0; j < 6; j++) { glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + j, i, - informat, mipw, miph, 0, GL_RGBA, type, mip_cube_map[j]); + informat, mipw, miph, 0, GL_RGBA, type, mip_cube_map[j]); } } gpu_del_cube_map(mip_cube_map); @@ -1003,6 +585,8 @@ void GPU_create_gl_tex( if (GLEW_EXT_texture_filter_anisotropic) glTexParameterf(textarget, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic()); + glBindTexture(textarget, 0); + if (ibuf) IMB_freeImBuf(ibuf); } @@ -1056,7 +640,7 @@ bool GPU_upload_dxt_texture(ImBuf *ibuf) size = ((width + 3) / 4) * ((height + 3) / 4) * blocksize; glCompressedTexImage2D(GL_TEXTURE_2D, i, format, width, height, - 0, size, ibuf->dds_data.data + offset); + 0, size, ibuf->dds_data.data + offset); offset += size; width >>= 1; @@ -1089,63 +673,9 @@ void GPU_create_gl_tex_compressed( glDeleteTextures(1, (GLuint *)bind); GPU_create_gl_tex(bind, pix, NULL, x, y, textarget, mipmap, 0, ima); } -#endif -} -static void gpu_verify_repeat(Image *ima) -{ - /* set either clamp or repeat in X/Y */ - if (ima->tpageflag & IMA_CLAMP_U) - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - - if (ima->tpageflag & IMA_CLAMP_V) - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); -} - -int GPU_set_tpage(MTexPoly *mtexpoly, int mipmap, int alphablend) -{ - /* check if we need to clear the state */ - if (mtexpoly == NULL) { - GPU_clear_tpage(false); - return 0; - } - - Image *ima = mtexpoly->tpage; - GTS.lasttface = mtexpoly; - - gpu_verify_alpha_blend(alphablend); - gpu_verify_reflection(ima); - - if (GPU_verify_image(ima, NULL, GL_TEXTURE_2D, mtexpoly->tile, 1, mipmap, false)) { - GTS.curtile = GTS.tile; - GTS.curima = GTS.ima; - GTS.curtilemode = GTS.tilemode; - GTS.curtileXRep = GTS.tileXRep; - GTS.curtileYRep = GTS.tileYRep; - - glEnable(GL_TEXTURE_2D); - } - else { - glDisable(GL_TEXTURE_2D); - - GTS.curtile = 0; - GTS.curima = NULL; - GTS.curtilemode = 0; - GTS.curtileXRep = 0; - GTS.curtileYRep = 0; - - return 0; - } - - gpu_verify_repeat(ima); - /* Did this get lost in the image recode? */ - /* BKE_image_tag_time(ima);*/ - - return 1; + glBindTexture(textarget, 0); +#endif } /* these two functions are called on entering and exiting texture paint mode, @@ -1161,17 +691,13 @@ void GPU_paint_set_mipmap(Main *bmain, bool mipmap) if (mipmap) { for (Image *ima = bmain->image.first; ima; ima = ima->id.next) { - if (BKE_image_has_bindcode(ima)) { + if (BKE_image_has_opengl_texture(ima)) { if (ima->tpageflag & IMA_MIPMAP_COMPLETE) { - if (ima->bindcode[TEXTARGET_TEXTURE_2D]) { - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); + if (ima->gputexture[TEXTARGET_TEXTURE_2D]) { + GPU_texture_bind(ima->gputexture[TEXTARGET_TEXTURE_2D], 0); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gpu_get_mipmap_filter(0)); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1)); - } - if (ima->bindcode[TEXTARGET_TEXTURE_CUBE_MAP]) { - glBindTexture(GL_TEXTURE_CUBE_MAP, ima->bindcode[TEXTARGET_TEXTURE_CUBE_MAP]); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, gpu_get_mipmap_filter(0)); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1)); + GPU_texture_unbind(ima->gputexture[TEXTARGET_TEXTURE_2D]); } } else @@ -1184,16 +710,12 @@ void GPU_paint_set_mipmap(Main *bmain, bool mipmap) } else { for (Image *ima = bmain->image.first; ima; ima = ima->id.next) { - if (BKE_image_has_bindcode(ima)) { - if (ima->bindcode[TEXTARGET_TEXTURE_2D]) { - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); + if (BKE_image_has_opengl_texture(ima)) { + if (ima->gputexture[TEXTARGET_TEXTURE_2D]) { + GPU_texture_bind(ima->gputexture[TEXTARGET_TEXTURE_2D], 0); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1)); - } - if (ima->bindcode[TEXTARGET_TEXTURE_CUBE_MAP]) { - glBindTexture(GL_TEXTURE_CUBE_MAP, ima->bindcode[TEXTARGET_TEXTURE_CUBE_MAP]); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1)); + GPU_texture_unbind(ima->gputexture[TEXTARGET_TEXTURE_2D]); } } else @@ -1206,9 +728,7 @@ void GPU_paint_set_mipmap(Main *bmain, bool mipmap) /* check if image has been downscaled and do scaled partial update */ static bool gpu_check_scaled_image(ImBuf *ibuf, Image *ima, float *frect, int x, int y, int w, int h) { - if ((!GPU_full_non_power_of_two_support() && !is_power_of_2_resolution(ibuf->x, ibuf->y)) || - is_over_resolution_limit(GL_TEXTURE_2D, ibuf->x, ibuf->y)) - { + if (is_over_resolution_limit(GL_TEXTURE_2D, ibuf->x, ibuf->y)) { int x_limit = smaller_power_of_2_limit(ibuf->x); int y_limit = smaller_power_of_2_limit(ibuf->y); @@ -1228,12 +748,13 @@ static bool gpu_check_scaled_image(ImBuf *ibuf, Image *ima, float *frect, int x, if (rectw + x > x_limit) rectw--; if (recth + y > y_limit) recth--; + GPU_texture_bind(ima->gputexture[TEXTARGET_TEXTURE_2D], 0); + /* float rectangles are already continuous in memory so we can use IMB_scaleImBuf */ if (frect) { ImBuf *ibuf_scale = IMB_allocFromBuffer(NULL, frect, w, h); IMB_scaleImBuf(ibuf_scale, rectw, recth); - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, rectw, recth, GL_RGBA, GL_FLOAT, ibuf_scale->rect_float); @@ -1253,7 +774,7 @@ static bool gpu_check_scaled_image(ImBuf *ibuf, Image *ima, float *frect, int x, bilinear_interpolation_color_wrap(ibuf, (unsigned char *)(p + i + j * (rectw)), NULL, u, v); } } - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); + glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, scalerect); @@ -1261,12 +782,14 @@ static bool gpu_check_scaled_image(ImBuf *ibuf, Image *ima, float *frect, int x, } if (GPU_get_mipmap()) { - gpu_generate_mipmap(GL_TEXTURE_2D); + glGenerateMipmap(GL_TEXTURE_2D); } else { ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; } + GPU_texture_unbind(ima->gputexture[TEXTARGET_TEXTURE_2D]); + return true; } @@ -1277,9 +800,8 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i { ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL); - if (ima->repbind || - (!GTS.gpu_mipmap && GPU_get_mipmap()) || - (ima->bindcode[TEXTARGET_TEXTURE_2D] == 0) || + if ((!GTS.gpu_mipmap && GPU_get_mipmap()) || + (ima->gputexture[TEXTARGET_TEXTURE_2D] == NULL) || (ibuf == NULL) || (w == 0) || (h == 0)) { @@ -1303,7 +825,7 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i return; } - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); + GPU_texture_bind(ima->gputexture[TEXTARGET_TEXTURE_2D], 0); glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, w, h, GL_RGBA, GL_FLOAT, buffer); MEM_freeN(buffer); @@ -1311,12 +833,14 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i /* we have already accounted for the case where GTS.gpu_mipmap is false * so we will be using GPU mipmap generation here */ if (GPU_get_mipmap()) { - gpu_generate_mipmap(GL_TEXTURE_2D); + glGenerateMipmap(GL_TEXTURE_2D); } else { ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; } + GPU_texture_unbind(ima->gputexture[TEXTARGET_TEXTURE_2D]); + BKE_image_release_ibuf(ima, ibuf, NULL); return; } @@ -1326,7 +850,7 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i return; } - glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]); + GPU_texture_bind(ima->gputexture[TEXTARGET_TEXTURE_2D], 0); glGetIntegerv(GL_UNPACK_ROW_LENGTH, &row_length); glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skip_pixels); @@ -1337,7 +861,7 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i glPixelStorei(GL_UNPACK_SKIP_ROWS, y); glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, w, h, GL_RGBA, - GL_UNSIGNED_BYTE, ibuf->rect); + GL_UNSIGNED_BYTE, ibuf->rect); glPixelStorei(GL_UNPACK_ROW_LENGTH, row_length); glPixelStorei(GL_UNPACK_SKIP_PIXELS, skip_pixels); @@ -1345,71 +869,18 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i /* see comment above as to why we are using gpu mipmap generation here */ if (GPU_get_mipmap()) { - gpu_generate_mipmap(GL_TEXTURE_2D); + glGenerateMipmap(GL_TEXTURE_2D); } else { ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; } - } - - BKE_image_release_ibuf(ima, ibuf, NULL); -} -void GPU_update_images_framechange(Main *bmain) -{ - for (Image *ima = bmain->image.first; ima; ima = ima->id.next) { - if (ima->tpageflag & IMA_TWINANIM) { - if (ima->twend >= ima->xrep * ima->yrep) - ima->twend = ima->xrep * ima->yrep - 1; - - /* check: is bindcode not in the array? free. (to do) */ - - ima->lastframe++; - if (ima->lastframe > ima->twend) - ima->lastframe = ima->twsta; - } + GPU_texture_unbind(ima->gputexture[TEXTARGET_TEXTURE_2D]); } -} - -int GPU_update_image_time(Image *ima, double time) -{ - if (!ima) - return 0; - - if (ima->lastupdate < 0) - ima->lastupdate = 0; - - if (ima->lastupdate > (float)time) - ima->lastupdate = (float)time; - - int inc = 0; - - if (ima->tpageflag & IMA_TWINANIM) { - if (ima->twend >= ima->xrep * ima->yrep) ima->twend = ima->xrep * ima->yrep - 1; - /* check: is the bindcode not in the array? Then free. (still to do) */ - - float diff = (float)((float)time - ima->lastupdate); - inc = (int)(diff * (float)ima->animspeed); - - ima->lastupdate += ((float)inc / (float)ima->animspeed); - - int newframe = ima->lastframe + inc; - - if (newframe > (int)ima->twend) { - if (ima->twend - ima->twsta != 0) - newframe = (int)ima->twsta - 1 + (newframe - ima->twend) % (ima->twend - ima->twsta); - else - newframe = ima->twsta; - } - - ima->lastframe = newframe; - } - - return inc; + BKE_image_release_ibuf(ima, ibuf, NULL); } - void GPU_free_smoke(SmokeModifierData *smd) { if (smd->type & MOD_SMOKE_TYPE_DOMAIN && smd->domain) { @@ -1437,31 +908,60 @@ void GPU_create_smoke(SmokeModifierData *smd, int highres) if (smoke_has_colors(sds->fluid)) { float *data = MEM_callocN(sizeof(float) * sds->total_cells * 4, "smokeColorTexture"); smoke_get_rgba(sds->fluid, data, 0); - sds->tex = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], 4, data); + sds->tex = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], GPU_RGBA8, data, NULL); MEM_freeN(data); } /* density only */ else { - sds->tex = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], 1, smoke_get_density(sds->fluid)); + sds->tex = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], + GPU_R8, smoke_get_density(sds->fluid), NULL); + + /* Swizzle the RGBA components to read the Red channel so + * that the shader stay the same for colored and non color + * density textures. */ + GPU_texture_bind(sds->tex, 0); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_G, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_B, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_A, GL_RED); + GPU_texture_unbind(sds->tex); } - sds->tex_flame = (smoke_has_fuel(sds->fluid)) ? GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], 1, smoke_get_flame(sds->fluid)) : NULL; + sds->tex_flame = (smoke_has_fuel(sds->fluid)) ? + GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], + GPU_R8, smoke_get_flame(sds->fluid), NULL) : + NULL; } else if (!sds->tex && highres) { /* rgba texture for color + density */ if (smoke_turbulence_has_colors(sds->wt)) { float *data = MEM_callocN(sizeof(float) * smoke_turbulence_get_cells(sds->wt) * 4, "smokeColorTexture"); smoke_turbulence_get_rgba(sds->wt, data, 0); - sds->tex = GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], 4, data); + sds->tex = GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], GPU_RGBA8, data, NULL); MEM_freeN(data); } /* density only */ else { - sds->tex = GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], 1, smoke_turbulence_get_density(sds->wt)); + sds->tex = GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], + GPU_R8, smoke_turbulence_get_density(sds->wt), NULL); + + /* Swizzle the RGBA components to read the Red channel so + * that the shader stay the same for colored and non color + * density textures. */ + GPU_texture_bind(sds->tex, 0); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_G, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_B, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_A, GL_RED); + GPU_texture_unbind(sds->tex); } - sds->tex_flame = (smoke_turbulence_has_fuel(sds->wt)) ? GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], 1, smoke_turbulence_get_flame(sds->wt)) : NULL; + sds->tex_flame = (smoke_turbulence_has_fuel(sds->wt)) ? + GPU_texture_create_3D(sds->res_wt[0], sds->res_wt[1], sds->res_wt[2], + GPU_R8, smoke_turbulence_get_flame(sds->wt), NULL) : + NULL; } - sds->tex_shadow = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], 1, sds->shadow); + sds->tex_shadow = GPU_texture_create_3D(sds->res[0], sds->res[1], sds->res[2], + GPU_R8, sds->shadow, NULL); } #else // WITH_SMOKE (void)highres; @@ -1499,9 +999,6 @@ void GPU_free_unused_buffers(Main *bmain) BLI_linklist_free(image_free_queue, NULL); image_free_queue = NULL; - /* vbo buffers */ - GPU_global_buffer_pool_free_unused(); - BLI_thread_unlock(LOCK_OPENGL); } @@ -1513,11 +1010,6 @@ void GPU_free_image(Image *ima) } for (int i = 0; i < TEXTARGET_COUNT; i++) { - /* free regular image binding */ - if (ima->bindcode[i]) { - glDeleteTextures(1, (GLuint *)&ima->bindcode[i]); - ima->bindcode[i] = 0; - } /* free glsl image binding */ if (ima->gputexture[i]) { GPU_texture_free(ima->gputexture[i]); @@ -1525,14 +1017,6 @@ void GPU_free_image(Image *ima) } } - /* free repeated image binding */ - if (ima->repbind) { - glDeleteTextures(ima->totbind, (GLuint *)ima->repbind); - - MEM_freeN(ima->repbind); - ima->repbind = NULL; - } - ima->tpageflag &= ~(IMA_MIPMAP_COMPLETE | IMA_GLBIND_IS_DATA); } @@ -1581,7 +1065,7 @@ void GPU_free_images_old(Main *bmain) if ((ima->flag & IMA_NOCOLLECT) == 0 && ctime - ima->lastused > U.textimeout) { /* If it's in GL memory, deallocate and set time tag to current time * This gives textures a "second chance" to be used before dying. */ - if (BKE_image_has_bindcode(ima) || ima->repbind) { + if (BKE_image_has_opengl_texture(ima)) { GPU_free_image(ima); ima->lastused = ctime; } @@ -1594,679 +1078,7 @@ void GPU_free_images_old(Main *bmain) } } - -/* OpenGL Materials */ - -#define FIXEDMAT 8 - -/* OpenGL state caching for materials */ - -typedef struct GPUMaterialFixed { - float diff[3]; - float spec[3]; - int hard; - float alpha; -} GPUMaterialFixed; - -static struct GPUMaterialState { - GPUMaterialFixed (*matbuf); - GPUMaterialFixed matbuf_fixed[FIXEDMAT]; - int totmat; - - /* set when called inside GPU_begin_object_materials / GPU_end_object_materials - * otherwise calling GPU_object_material_bind returns zero */ - bool is_enabled; - - Material **gmatbuf; - Material *gmatbuf_fixed[FIXEDMAT]; - Material *gboundmat; - Object *gob; - DupliObject *dob; - Scene *gscene; - int glay; - bool gscenelock; - float (*gviewmat)[4]; - float (*gviewinv)[4]; - float (*gviewcamtexcofac); - - bool backface_culling; - bool two_sided_lighting; - - GPUBlendMode *alphablend; - GPUBlendMode alphablend_fixed[FIXEDMAT]; - bool use_alpha_pass, is_alpha_pass; - bool use_matcaps; - - int lastmatnr, lastretval; - GPUBlendMode lastalphablend; - bool is_opensubdiv; -} GMS = {NULL}; - -/* fixed function material, alpha handed by caller */ -static void gpu_material_to_fixed( - GPUMaterialFixed *smat, const Material *bmat, const int gamma, const Object *ob, - const int new_shading_nodes, const bool dimdown) -{ - if (bmat->mode & MA_SHLESS) { - copy_v3_v3(smat->diff, &bmat->r); - - if (gamma) - linearrgb_to_srgb_v3_v3(smat->diff, smat->diff); - - zero_v3(smat->spec); - smat->alpha = 1.0f; - smat->hard = 0; - } - else if (new_shading_nodes) { - copy_v3_v3(smat->diff, &bmat->r); - copy_v3_v3(smat->spec, &bmat->specr); - smat->alpha = 1.0f; - smat->hard = CLAMPIS(bmat->har, 0, 128); - - if (dimdown) { - mul_v3_fl(smat->diff, 0.8f); - mul_v3_fl(smat->spec, 0.5f); - } - - if (gamma) { - linearrgb_to_srgb_v3_v3(smat->diff, smat->diff); - linearrgb_to_srgb_v3_v3(smat->spec, smat->spec); - } - } - else { - mul_v3_v3fl(smat->diff, &bmat->r, bmat->ref + bmat->emit); - - if (bmat->shade_flag & MA_OBCOLOR) - mul_v3_v3(smat->diff, ob->col); - - mul_v3_v3fl(smat->spec, &bmat->specr, bmat->spec); - smat->hard = CLAMPIS(bmat->har, 1, 128); - smat->alpha = 1.0f; - - if (gamma) { - linearrgb_to_srgb_v3_v3(smat->diff, smat->diff); - linearrgb_to_srgb_v3_v3(smat->spec, smat->spec); - } - } -} - -static Material *gpu_active_node_material(Material *ma) -{ - if (ma && ma->use_nodes && ma->nodetree) { - bNode *node = nodeGetActiveID(ma->nodetree, ID_MA); - - if (node) - return (Material *)node->id; - else - return NULL; - } - - return ma; -} - -void GPU_begin_dupli_object(DupliObject *dob) -{ - GMS.dob = dob; -} - -void GPU_end_dupli_object(void) -{ - GMS.dob = NULL; -} - -void GPU_begin_object_materials( - View3D *v3d, RegionView3D *rv3d, Scene *scene, Object *ob, - bool glsl, bool *do_alpha_after) -{ - Material *ma; - GPUMaterial *gpumat; - GPUBlendMode alphablend; - DupliObject *dob; - int a; - const bool gamma = BKE_scene_check_color_management_enabled(scene); - const bool new_shading_nodes = BKE_scene_use_new_shading_nodes(scene); - const bool use_matcap = (v3d->flag2 & V3D_SHOW_SOLID_MATCAP) != 0; /* assumes v3d->defmaterial->preview is set */ - bool use_opensubdiv = false; - -#ifdef WITH_OPENSUBDIV - { - DerivedMesh *derivedFinal = NULL; - if (ob->type == OB_MESH) { - Mesh *me = ob->data; - BMEditMesh *em = me->edit_btmesh; - if (em != NULL) { - derivedFinal = em->derivedFinal; - } - else { - derivedFinal = ob->derivedFinal; - } - } - else { - derivedFinal = ob->derivedFinal; - } - - if (derivedFinal != NULL && derivedFinal->type == DM_TYPE_CCGDM) { - CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) derivedFinal; - use_opensubdiv = ccgdm->useGpuBackend; - } - } -#endif - -#ifdef WITH_GAMEENGINE - if (rv3d->rflag & RV3D_IS_GAME_ENGINE) { - ob = BKE_object_lod_matob_get(ob, scene); - } -#endif - - /* initialize state */ - /* DupliObject must be restored */ - dob = GMS.dob; - memset(&GMS, 0, sizeof(GMS)); - GMS.is_enabled = true; - GMS.dob = dob; - GMS.lastmatnr = -1; - GMS.lastretval = -1; - GMS.lastalphablend = GPU_BLEND_SOLID; - GMS.use_matcaps = use_matcap; - - GMS.backface_culling = (v3d->flag2 & V3D_BACKFACE_CULLING) != 0; - - GMS.two_sided_lighting = false; - if (ob && ob->type == OB_MESH) - GMS.two_sided_lighting = (((Mesh *)ob->data)->flag & ME_TWOSIDED) != 0; - - GMS.gob = ob; - GMS.gscene = scene; - GMS.is_opensubdiv = use_opensubdiv; - GMS.totmat = use_matcap ? 1 : ob->totcol + 1; /* materials start from 1, default material is 0 */ - GMS.glay = (v3d->localvd) ? v3d->localvd->lay : v3d->lay; /* keep lamps visible in local view */ - GMS.gscenelock = (v3d->scenelock != 0); - GMS.gviewmat = rv3d->viewmat; - GMS.gviewinv = rv3d->viewinv; - GMS.gviewcamtexcofac = rv3d->viewcamtexcofac; - - /* alpha pass setup. there's various cases to handle here: - * - object transparency on: only solid materials draw in the first pass, - * and only transparent in the second 'alpha' pass. - * - object transparency off: for glsl we draw both in a single pass, and - * for solid we don't use transparency at all. */ - GMS.use_alpha_pass = (do_alpha_after != NULL); - GMS.is_alpha_pass = (v3d->transp != false); - if (GMS.use_alpha_pass) - *do_alpha_after = false; - - if (GMS.totmat > FIXEDMAT) { - GMS.matbuf = MEM_callocN(sizeof(GPUMaterialFixed) * GMS.totmat, "GMS.matbuf"); - GMS.gmatbuf = MEM_callocN(sizeof(*GMS.gmatbuf) * GMS.totmat, "GMS.matbuf"); - GMS.alphablend = MEM_callocN(sizeof(*GMS.alphablend) * GMS.totmat, "GMS.matbuf"); - } - else { - GMS.matbuf = GMS.matbuf_fixed; - GMS.gmatbuf = GMS.gmatbuf_fixed; - GMS.alphablend = GMS.alphablend_fixed; - } - - /* viewport material, setup in space_view3d, defaults to matcap using ma->preview now */ - if (use_matcap) { - GMS.gmatbuf[0] = v3d->defmaterial; - GPU_material_matcap(scene, v3d->defmaterial, use_opensubdiv); - - /* do material 1 too, for displists! */ - memcpy(&GMS.matbuf[1], &GMS.matbuf[0], sizeof(GPUMaterialFixed)); - - GMS.alphablend[0] = GPU_BLEND_SOLID; - } - else { - - /* no materials assigned? */ - if (ob->totcol == 0) { - gpu_material_to_fixed(&GMS.matbuf[0], &defmaterial, 0, ob, new_shading_nodes, true); - - /* do material 1 too, for displists! */ - memcpy(&GMS.matbuf[1], &GMS.matbuf[0], sizeof(GPUMaterialFixed)); - - if (glsl) { - GMS.gmatbuf[0] = &defmaterial; - GPU_material_from_blender(GMS.gscene, &defmaterial, GMS.is_opensubdiv); - } - - GMS.alphablend[0] = GPU_BLEND_SOLID; - } - - /* setup materials */ - for (a = 1; a <= ob->totcol; a++) { - /* find a suitable material */ - ma = give_current_material(ob, a); - if (!glsl && !new_shading_nodes) ma = gpu_active_node_material(ma); - if (ma == NULL) ma = &defmaterial; - - /* create glsl material if requested */ - gpumat = glsl ? GPU_material_from_blender(GMS.gscene, ma, GMS.is_opensubdiv) : NULL; - - if (gpumat) { - /* do glsl only if creating it succeed, else fallback */ - GMS.gmatbuf[a] = ma; - alphablend = GPU_material_alpha_blend(gpumat, ob->col); - } - else { - /* fixed function opengl materials */ - gpu_material_to_fixed(&GMS.matbuf[a], ma, gamma, ob, new_shading_nodes, false); - - if (GMS.use_alpha_pass && ((ma->mode & MA_TRANSP) || (new_shading_nodes && ma->alpha != 1.0f))) { - GMS.matbuf[a].alpha = ma->alpha; - alphablend = (ma->alpha == 1.0f) ? GPU_BLEND_SOLID: GPU_BLEND_ALPHA; - } - else { - GMS.matbuf[a].alpha = 1.0f; - alphablend = GPU_BLEND_SOLID; - } - } - - /* setting 'do_alpha_after = true' indicates this object needs to be - * drawn in a second alpha pass for improved blending */ - if (do_alpha_after && !GMS.is_alpha_pass) - if (ELEM(alphablend, GPU_BLEND_ALPHA, GPU_BLEND_ADD, GPU_BLEND_ALPHA_SORT)) - *do_alpha_after = true; - - GMS.alphablend[a] = alphablend; - } - } - - /* let's start with a clean state */ - GPU_object_material_unbind(); -} - -static int gpu_get_particle_info(GPUParticleInfo *pi) -{ - DupliObject *dob = GMS.dob; - if (dob->particle_system) { - int ind; - if (dob->persistent_id[0] < dob->particle_system->totpart) - ind = dob->persistent_id[0]; - else { - ind = dob->particle_system->child[dob->persistent_id[0] - dob->particle_system->totpart].parent; - } - if (ind >= 0) { - ParticleData *p = &dob->particle_system->particles[ind]; - - pi->scalprops[0] = ind; - pi->scalprops[1] = GMS.gscene->r.cfra - p->time; - pi->scalprops[2] = p->lifetime; - pi->scalprops[3] = p->size; - - copy_v3_v3(pi->location, p->state.co); - pi->location[3] = BLI_hash_int_01(ind); - - copy_v3_v3(pi->velocity, p->state.vel); - copy_v3_v3(pi->angular_velocity, p->state.ave); - return 1; - } - else return 0; - } - else - return 0; -} - -static void GPU_get_object_info(float oi[3], Material *mat) -{ - Object *ob = GMS.gob; - oi[0] = ob->index; - oi[1] = mat->index; - unsigned int random; - if (GMS.dob) { - random = GMS.dob->random_id; - } - else { - random = BLI_hash_int_2d(BLI_hash_string(GMS.gob->id.name + 2), 0); - } - oi[2] = random * (1.0f / (float)0xFFFFFFFF); -} - -int GPU_object_material_bind(int nr, void *attribs) -{ - GPUVertexAttribs *gattribs = attribs; - - /* no GPU_begin_object_materials, use default material */ - if (!GMS.matbuf) { - memset(&GMS, 0, sizeof(GMS)); - - float diffuse[3], specular[3]; - mul_v3_v3fl(diffuse, &defmaterial.r, defmaterial.ref + defmaterial.emit); - mul_v3_v3fl(specular, &defmaterial.specr, defmaterial.spec); - GPU_basic_shader_colors(diffuse, specular, 35, 1.0f); - - if (GMS.two_sided_lighting) - GPU_basic_shader_bind(GPU_SHADER_LIGHTING | GPU_SHADER_TWO_SIDED); - else - GPU_basic_shader_bind(GPU_SHADER_LIGHTING); - - return 0; - } - - /* prevent index to use un-initialized array items */ - if (nr >= GMS.totmat) - nr = 0; - - if (gattribs) - memset(gattribs, 0, sizeof(*gattribs)); - - /* keep current material */ - if (nr == GMS.lastmatnr) - return GMS.lastretval; - - /* unbind glsl material */ - if (GMS.gboundmat) { - if (GMS.is_alpha_pass) glDepthMask(0); - GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv)); - GMS.gboundmat = NULL; - } - - /* draw materials with alpha in alpha pass */ - GMS.lastmatnr = nr; - GMS.lastretval = 1; - - if (GMS.use_alpha_pass) { - GMS.lastretval = ELEM(GMS.alphablend[nr], GPU_BLEND_SOLID, GPU_BLEND_CLIP); - if (GMS.is_alpha_pass) - GMS.lastretval = !GMS.lastretval; - } - else - GMS.lastretval = !GMS.is_alpha_pass; - - if (GMS.lastretval) { - /* for alpha pass, use alpha blend */ - GPUBlendMode alphablend = GMS.alphablend[nr]; - - if (gattribs && GMS.gmatbuf[nr]) { - /* bind glsl material and get attributes */ - Material *mat = GMS.gmatbuf[nr]; - GPUParticleInfo partile_info; - float object_info[3] = {0}; - - float auto_bump_scale; - - GPUMaterial *gpumat = GPU_material_from_blender(GMS.gscene, mat, GMS.is_opensubdiv); - GPU_material_vertex_attributes(gpumat, gattribs); - - if (GMS.dob) { - gpu_get_particle_info(&partile_info); - } - - if (GPU_get_material_builtins(gpumat) & GPU_OBJECT_INFO) { - GPU_get_object_info(object_info, mat); - } - - GPU_material_bind( - gpumat, GMS.gob->lay, GMS.glay, 1.0, !(GMS.gob->mode & OB_MODE_TEXTURE_PAINT), - GMS.gviewmat, GMS.gviewinv, GMS.gviewcamtexcofac, GMS.gscenelock); - - auto_bump_scale = GMS.gob->derivedFinal != NULL ? GMS.gob->derivedFinal->auto_bump_scale : 1.0f; - GPU_material_bind_uniforms(gpumat, GMS.gob->obmat, GMS.gviewmat, GMS.gob->col, auto_bump_scale, &partile_info, object_info); - GMS.gboundmat = mat; - - /* for glsl use alpha blend mode, unless it's set to solid and - * we are already drawing in an alpha pass */ - if (mat->game.alpha_blend != GPU_BLEND_SOLID) - alphablend = mat->game.alpha_blend; - - if (GMS.is_alpha_pass) glDepthMask(1); - - if (GMS.backface_culling) { - if (mat->game.flag) - glEnable(GL_CULL_FACE); - else - glDisable(GL_CULL_FACE); - } - - if (GMS.use_matcaps) - glColor3f(1.0f, 1.0f, 1.0f); - } - else { - /* or do fixed function opengl material */ - GPU_basic_shader_colors( - GMS.matbuf[nr].diff, - GMS.matbuf[nr].spec, GMS.matbuf[nr].hard, GMS.matbuf[nr].alpha); - - if (GMS.two_sided_lighting) - GPU_basic_shader_bind(GPU_SHADER_LIGHTING | GPU_SHADER_TWO_SIDED); - else - GPU_basic_shader_bind(GPU_SHADER_LIGHTING); - } - - /* set (alpha) blending mode */ - GPU_set_material_alpha_blend(alphablend); - } - - return GMS.lastretval; -} - -int GPU_object_material_visible(int nr, void *attribs) -{ - GPUVertexAttribs *gattribs = attribs; - int visible; - - if (!GMS.matbuf) - return 0; - - if (gattribs) - memset(gattribs, 0, sizeof(*gattribs)); - - if (nr >= GMS.totmat) - nr = 0; - - if (GMS.use_alpha_pass) { - visible = ELEM(GMS.alphablend[nr], GPU_BLEND_SOLID, GPU_BLEND_CLIP); - if (GMS.is_alpha_pass) - visible = !visible; - } - else - visible = !GMS.is_alpha_pass; - - return visible; -} - -void GPU_set_material_alpha_blend(int alphablend) -{ - if (GMS.lastalphablend == alphablend) - return; - - gpu_set_alpha_blend(alphablend); - GMS.lastalphablend = alphablend; -} - -int GPU_get_material_alpha_blend(void) -{ - return GMS.lastalphablend; -} - -void GPU_object_material_unbind(void) -{ - GMS.lastmatnr = -1; - GMS.lastretval = 1; - - if (GMS.gboundmat) { - if (GMS.backface_culling) - glDisable(GL_CULL_FACE); - - if (GMS.is_alpha_pass) glDepthMask(0); - GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv)); - GMS.gboundmat = NULL; - } - else - GPU_basic_shader_bind(GPU_SHADER_USE_COLOR); - - GPU_set_material_alpha_blend(GPU_BLEND_SOLID); -} - -void GPU_material_diffuse_get(int nr, float diff[4]) -{ - /* prevent index to use un-initialized array items */ - if (nr >= GMS.totmat) - nr = 0; - - /* no GPU_begin_object_materials, use default material */ - if (!GMS.matbuf) { - mul_v3_v3fl(diff, &defmaterial.r, defmaterial.ref + defmaterial.emit); - } - else { - copy_v3_v3(diff, GMS.matbuf[nr].diff); - diff[3] = GMS.matbuf[nr].alpha; - } -} - -bool GPU_material_use_matcaps_get(void) -{ - return GMS.use_matcaps; -} - -bool GPU_object_materials_check(void) -{ - return GMS.is_enabled; -} - -void GPU_end_object_materials(void) -{ - GPU_object_material_unbind(); - - GMS.is_enabled = false; - - if (GMS.matbuf && GMS.matbuf != GMS.matbuf_fixed) { - MEM_freeN(GMS.matbuf); - MEM_freeN(GMS.gmatbuf); - MEM_freeN(GMS.alphablend); - } - - GMS.matbuf = NULL; - GMS.gmatbuf = NULL; - GMS.alphablend = NULL; - GMS.two_sided_lighting = false; - - /* resetting the texture matrix after the scaling needed for tiled textures */ - if (GTS.tilemode) { - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - } -} - -/* Lights */ - -int GPU_default_lights(void) -{ - /* initialize */ - if (U.light[0].flag == 0 && U.light[1].flag == 0 && U.light[2].flag == 0) { - U.light[0].flag = 1; - U.light[0].vec[0] = -0.3; U.light[0].vec[1] = 0.3; U.light[0].vec[2] = 0.9; - U.light[0].col[0] = 0.8; U.light[0].col[1] = 0.8; U.light[0].col[2] = 0.8; - U.light[0].spec[0] = 0.5; U.light[0].spec[1] = 0.5; U.light[0].spec[2] = 0.5; - U.light[0].spec[3] = 1.0; - - U.light[1].flag = 0; - U.light[1].vec[0] = 0.5; U.light[1].vec[1] = 0.5; U.light[1].vec[2] = 0.1; - U.light[1].col[0] = 0.4; U.light[1].col[1] = 0.4; U.light[1].col[2] = 0.8; - U.light[1].spec[0] = 0.3; U.light[1].spec[1] = 0.3; U.light[1].spec[2] = 0.5; - U.light[1].spec[3] = 1.0; - - U.light[2].flag = 0; - U.light[2].vec[0] = 0.3; U.light[2].vec[1] = -0.3; U.light[2].vec[2] = -0.2; - U.light[2].col[0] = 0.8; U.light[2].col[1] = 0.5; U.light[2].col[2] = 0.4; - U.light[2].spec[0] = 0.5; U.light[2].spec[1] = 0.4; U.light[2].spec[2] = 0.3; - U.light[2].spec[3] = 1.0; - } - - GPU_basic_shader_light_set_viewer(false); - - int count = 0; - - for (int a = 0; a < 8; a++) { - if (a < 3 && U.light[a].flag) { - GPULightData light = {0}; - - light.type = GPU_LIGHT_SUN; - - normalize_v3_v3(light.direction, U.light[a].vec); - copy_v3_v3(light.diffuse, U.light[a].col); - copy_v3_v3(light.specular, U.light[a].spec); - - GPU_basic_shader_light_set(a, &light); - - count++; - } - else - GPU_basic_shader_light_set(a, NULL); - } - - return count; -} - -int GPU_scene_object_lights(Scene *scene, Object *ob, int lay, float viewmat[4][4], int ortho) -{ - /* disable all lights */ - for (int count = 0; count < 8; count++) - GPU_basic_shader_light_set(count, NULL); - - /* view direction for specular is not computed correct by default in - * opengl, so we set the settings ourselves */ - GPU_basic_shader_light_set_viewer(!ortho); - - int count = 0; - - for (Base *base = scene->base.first; base; base = base->next) { - if (base->object->type != OB_LAMP) - continue; - - if (!(base->lay & lay) || !(base->lay & ob->lay)) - continue; - - Lamp *la = base->object->data; - - /* setup lamp transform */ - glPushMatrix(); - glLoadMatrixf((float *)viewmat); - - /* setup light */ - GPULightData light = {0}; - - mul_v3_v3fl(light.diffuse, &la->r, la->energy); - mul_v3_v3fl(light.specular, &la->r, la->energy); - - if (la->type == LA_SUN) { - /* directional sun light */ - light.type = GPU_LIGHT_SUN; - normalize_v3_v3(light.direction, base->object->obmat[2]); - } - else { - /* other lamps with position attenuation */ - copy_v3_v3(light.position, base->object->obmat[3]); - - light.constant_attenuation = 1.0f; - light.linear_attenuation = la->att1 / la->dist; - light.quadratic_attenuation = la->att2 / (la->dist * la->dist); - - if (la->type == LA_SPOT) { - light.type = GPU_LIGHT_SPOT; - negate_v3_v3(light.direction, base->object->obmat[2]); - normalize_v3(light.direction); - light.spot_cutoff = RAD2DEGF(la->spotsize * 0.5f); - light.spot_exponent = 128.0f * la->spotblend; - } - else - light.type = GPU_LIGHT_POINT; - } - - GPU_basic_shader_light_set(count, &light); - - glPopMatrix(); - - count++; - if (count == 8) - break; - } - - return count; -} - -static void gpu_multisample(bool enable) +static void gpu_disable_multisample(void) { #ifdef __linux__ /* changing multisample from the default (enabled) causes problems on some @@ -2282,115 +1094,51 @@ static void gpu_multisample(bool enable) } if (toggle_ok) { - if (enable) - glEnable(GL_MULTISAMPLE); - else - glDisable(GL_MULTISAMPLE); + glDisable(GL_MULTISAMPLE); } #else - if (enable) - glEnable(GL_MULTISAMPLE); - else - glDisable(GL_MULTISAMPLE); + glDisable(GL_MULTISAMPLE); #endif } /* Default OpenGL State * - * This is called on startup, for opengl offscreen render and to restore state - * for the game engine. Generally we should always return to this state when + * This is called on startup, for opengl offscreen render. + * Generally we should always return to this state when * temporarily modifying the state for drawing, though that are (undocumented) * exceptions that we should try to get rid of. */ void GPU_state_init(void) { - float mat_ambient[] = { 0.0, 0.0, 0.0, 0.0 }; - float mat_specular[] = { 0.5, 0.5, 0.5, 1.0 }; + GPU_disable_program_point_size(); - glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient); - glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_specular); - glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular); - glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, 35); - glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE); - - GPU_default_lights(); + glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); glDepthFunc(GL_LEQUAL); - /* scaling matrices */ - glEnable(GL_NORMALIZE); - glDisable(GL_ALPHA_TEST); glDisable(GL_BLEND); glDisable(GL_DEPTH_TEST); - glDisable(GL_FOG); - glDisable(GL_LIGHTING); - glDisable(GL_COLOR_MATERIAL); - glDisable(GL_LOGIC_OP); + glDisable(GL_COLOR_LOGIC_OP); glDisable(GL_STENCIL_TEST); - glDisable(GL_TEXTURE_1D); - glDisable(GL_TEXTURE_2D); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - /* default disabled, enable should be local per function */ - glDisableClientState(GL_VERTEX_ARRAY); - glDisableClientState(GL_NORMAL_ARRAY); - glDisableClientState(GL_COLOR_ARRAY); - glDisableClientState(GL_TEXTURE_COORD_ARRAY); - - glPixelTransferi(GL_MAP_COLOR, GL_FALSE); - glPixelTransferi(GL_RED_SCALE, 1); - glPixelTransferi(GL_RED_BIAS, 0); - glPixelTransferi(GL_GREEN_SCALE, 1); - glPixelTransferi(GL_GREEN_BIAS, 0); - glPixelTransferi(GL_BLUE_SCALE, 1); - glPixelTransferi(GL_BLUE_BIAS, 0); - glPixelTransferi(GL_ALPHA_SCALE, 1); - glPixelTransferi(GL_ALPHA_BIAS, 0); - - glPixelTransferi(GL_DEPTH_BIAS, 0); - glPixelTransferi(GL_DEPTH_SCALE, 1); - glDepthRange(0.0, 1.0); - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); + glDepthRange(0.0, 1.0); glFrontFace(GL_CCW); glCullFace(GL_BACK); glDisable(GL_CULL_FACE); - gpu_multisample(false); - - GPU_basic_shader_bind(GPU_SHADER_USE_COLOR); + gpu_disable_multisample(); } -#ifdef WITH_OPENSUBDIV -/* Update face-varying variables offset which might be - * different from mesh to mesh sharing the same material. - */ -void GPU_draw_update_fvar_offset(DerivedMesh *dm) +void GPU_enable_program_point_size(void) { - /* Sanity check to be sure we only do this for OpenSubdiv draw. */ - BLI_assert(dm->type == DM_TYPE_CCGDM); - BLI_assert(GMS.is_opensubdiv); - - for (int i = 0; i < GMS.totmat; ++i) { - Material *material = GMS.gmatbuf[i]; - GPUMaterial *gpu_material; - - if (material == NULL) { - continue; - } - - gpu_material = GPU_material_from_blender(GMS.gscene, - material, - GMS.is_opensubdiv); - - GPU_material_update_fvar_offset(gpu_material, dm); - } + glEnable(GL_PROGRAM_POINT_SIZE); } -#endif +void GPU_disable_program_point_size(void) +{ + glDisable(GL_PROGRAM_POINT_SIZE); +} /** \name Framebuffer color depth, for selection codes * \{ */ @@ -2507,10 +1255,10 @@ void GPU_select_to_index_array(unsigned int *col, const unsigned int size) { #define INDEX_BUF_ARRAY(INDEX_FROM_BUF_BITS) \ for (i = size; i--; col++) { \ - if ((c = *col)) { \ - *col = INDEX_FROM_BUF_BITS(c); \ - } \ - } ((void)0) + if ((c = *col)) { \ + *col = INDEX_FROM_BUF_BITS(c); \ + } \ + } ((void)0) if (size > 0) { unsigned int i, c; @@ -2538,4 +1286,173 @@ void GPU_select_to_index_array(unsigned int *col, const unsigned int size) #undef INDEX_BUF_ARRAY } +#define STATE_STACK_DEPTH 16 + +typedef struct { + eGPUAttribMask mask; + + /* GL_ENABLE_BIT */ + unsigned int is_blend : 1; + unsigned int is_cull_face : 1; + unsigned int is_depth_test : 1; + unsigned int is_dither : 1; + unsigned int is_lighting : 1; + unsigned int is_line_smooth : 1; + unsigned int is_color_logic_op : 1; + unsigned int is_multisample : 1; + unsigned int is_polygon_offset_line : 1; + unsigned int is_polygon_offset_fill : 1; + unsigned int is_polygon_smooth : 1; + unsigned int is_sample_alpha_to_coverage : 1; + unsigned int is_scissor_test : 1; + unsigned int is_stencil_test : 1; + + bool is_clip_plane[6]; + + /* GL_DEPTH_BUFFER_BIT */ + /* unsigned int is_depth_test : 1; */ + int depth_func; + double depth_clear_value; + bool depth_write_mask; + + /* GL_SCISSOR_BIT */ + int scissor_box[4]; + /* unsigned int is_scissor_test : 1; */ + + /* GL_VIEWPORT_BIT */ + int viewport[4]; + double near_far[2]; +} GPUAttribValues; + +typedef struct { + GPUAttribValues attrib_stack[STATE_STACK_DEPTH]; + unsigned int top; +} GPUAttribStack; + +static GPUAttribStack state = { + .top = 0 +}; + +#define AttribStack state +#define Attrib state.attrib_stack[state.top] + +/** + * Replacement for glPush/PopAttributes + * + * We don't need to cover all the options of legacy OpenGL + * but simply the ones used by Blender. + */ +void gpuPushAttrib(eGPUAttribMask mask) +{ + Attrib.mask = mask; + + if ((mask & GPU_DEPTH_BUFFER_BIT) != 0) { + Attrib.is_depth_test = glIsEnabled(GL_DEPTH_TEST); + glGetIntegerv(GL_DEPTH_FUNC, &Attrib.depth_func); + glGetDoublev(GL_DEPTH_CLEAR_VALUE, &Attrib.depth_clear_value); + glGetBooleanv(GL_DEPTH_WRITEMASK, (GLboolean *)&Attrib.depth_write_mask); + } + + if ((mask & GPU_ENABLE_BIT) != 0) { + Attrib.is_blend = glIsEnabled(GL_BLEND); + + for (int i = 0; i < 6; i++) { + Attrib.is_clip_plane[i] = glIsEnabled(GL_CLIP_PLANE0 + i); + } + + Attrib.is_cull_face = glIsEnabled(GL_CULL_FACE); + Attrib.is_depth_test = glIsEnabled(GL_DEPTH_TEST); + Attrib.is_dither = glIsEnabled(GL_DITHER); + Attrib.is_line_smooth = glIsEnabled(GL_LINE_SMOOTH); + Attrib.is_color_logic_op = glIsEnabled(GL_COLOR_LOGIC_OP); + Attrib.is_multisample = glIsEnabled(GL_MULTISAMPLE); + Attrib.is_polygon_offset_line = glIsEnabled(GL_POLYGON_OFFSET_LINE); + Attrib.is_polygon_offset_fill = glIsEnabled(GL_POLYGON_OFFSET_FILL); + Attrib.is_polygon_smooth = glIsEnabled(GL_POLYGON_SMOOTH); + Attrib.is_sample_alpha_to_coverage = glIsEnabled(GL_SAMPLE_ALPHA_TO_COVERAGE); + Attrib.is_scissor_test = glIsEnabled(GL_SCISSOR_TEST); + Attrib.is_stencil_test = glIsEnabled(GL_STENCIL_TEST); + } + + if ((mask & GPU_SCISSOR_BIT) != 0) { + Attrib.is_scissor_test = glIsEnabled(GL_SCISSOR_TEST); + glGetIntegerv(GL_SCISSOR_BOX, (GLint *)&Attrib.scissor_box); + } + + if ((mask & GPU_VIEWPORT_BIT) != 0) { + glGetDoublev(GL_DEPTH_RANGE, (GLdouble *)&Attrib.near_far); + glGetIntegerv(GL_VIEWPORT, (GLint *)&Attrib.viewport); + } + + if ((mask & GPU_BLEND_BIT) != 0) { + Attrib.is_blend = glIsEnabled(GL_BLEND); + } + + BLI_assert(AttribStack.top < STATE_STACK_DEPTH); + AttribStack.top++; +} + +static void restore_mask(GLenum cap, const bool value) +{ + if (value) { + glEnable(cap); + } + else { + glDisable(cap); + } +} + +void gpuPopAttrib(void) +{ + BLI_assert(AttribStack.top > 0); + AttribStack.top--; + + GLint mask = Attrib.mask; + + if ((mask & GPU_DEPTH_BUFFER_BIT) != 0) { + restore_mask(GL_DEPTH_TEST, Attrib.is_depth_test); + glDepthFunc(Attrib.depth_func); + glClearDepth(Attrib.depth_clear_value); + glDepthMask(Attrib.depth_write_mask); + } + + if ((mask & GPU_ENABLE_BIT) != 0) { + restore_mask(GL_BLEND, Attrib.is_blend); + + for (int i = 0; i < 6; i++) { + restore_mask(GL_CLIP_PLANE0 + i, Attrib.is_clip_plane[i]); + } + + restore_mask(GL_CULL_FACE, Attrib.is_cull_face); + restore_mask(GL_DEPTH_TEST, Attrib.is_depth_test); + restore_mask(GL_DITHER, Attrib.is_dither); + restore_mask(GL_LINE_SMOOTH, Attrib.is_line_smooth); + restore_mask(GL_COLOR_LOGIC_OP, Attrib.is_color_logic_op); + restore_mask(GL_MULTISAMPLE, Attrib.is_multisample); + restore_mask(GL_POLYGON_OFFSET_LINE, Attrib.is_polygon_offset_line); + restore_mask(GL_POLYGON_OFFSET_FILL, Attrib.is_polygon_offset_fill); + restore_mask(GL_POLYGON_SMOOTH, Attrib.is_polygon_smooth); + restore_mask(GL_SAMPLE_ALPHA_TO_COVERAGE, Attrib.is_sample_alpha_to_coverage); + restore_mask(GL_SCISSOR_TEST, Attrib.is_scissor_test); + restore_mask(GL_STENCIL_TEST, Attrib.is_stencil_test); + } + + if ((mask & GPU_VIEWPORT_BIT) != 0) { + glViewport(Attrib.viewport[0], Attrib.viewport[1], Attrib.viewport[2], Attrib.viewport[3]); + glDepthRange(Attrib.near_far[0], Attrib.near_far[1]); + } + + if ((mask & GPU_SCISSOR_BIT) != 0) { + restore_mask(GL_SCISSOR_TEST, Attrib.is_scissor_test); + glScissor(Attrib.scissor_box[0], Attrib.scissor_box[1], Attrib.scissor_box[2], Attrib.scissor_box[3]); + } + + if ((mask & GPU_BLEND_BIT) != 0) { + restore_mask(GL_BLEND, Attrib.is_blend); + } +} + +#undef Attrib +#undef AttribStack + /** \} */ |