diff options
| author | Clément Foucault <foucault.clem@gmail.com> | 2020-07-07 19:49:50 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2020-07-11 16:25:32 +0300 |
| commit | 709c9f6bf0fd777e637f5650dbb8f0fa352cde7c (patch) | |
| tree | 6b7e9e6d5f9ec0522fbcdbe77869f3210f18139c /source/blender | |
| parent | 83d902f33b048497bdb7394ef4e1d765778e6b82 (diff) | |
EEVEE: Split bsdf_common_lib.glsl into smaller files
Diffstat (limited to 'source/blender')
90 files changed, 1481 insertions, 1648 deletions
diff --git a/source/blender/draw/CMakeLists.txt b/source/blender/draw/CMakeLists.txt index acf7a0dfa8d..b5b15d9ff5f 100644 --- a/source/blender/draw/CMakeLists.txt +++ b/source/blender/draw/CMakeLists.txt @@ -186,10 +186,11 @@ set(LIB ) data_to_c_simple(engines/eevee/shaders/ambient_occlusion_lib.glsl SRC) -data_to_c_simple(engines/eevee/shaders/default_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/default_world_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/background_vert.glsl SRC) +data_to_c_simple(engines/eevee/shaders/closure_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/common_uniforms_lib.glsl SRC) +data_to_c_simple(engines/eevee/shaders/common_utiltex_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/lights_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/lightprobe_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl SRC) @@ -204,8 +205,7 @@ data_to_c_simple(engines/eevee/shaders/lightprobe_grid_display_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/lightprobe_grid_fill_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/lightprobe_planar_display_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/lightprobe_planar_display_vert.glsl SRC) -data_to_c_simple(engines/eevee/shaders/lit_surface_frag.glsl SRC) -data_to_c_simple(engines/eevee/shaders/lit_surface_vert.glsl SRC) +data_to_c_simple(engines/eevee/shaders/closure_lit_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/effect_bloom_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/effect_dof_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/effect_dof_frag.glsl SRC) @@ -229,7 +229,6 @@ data_to_c_simple(engines/eevee/shaders/object_motion_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/prepass_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/prepass_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/shadow_accum_frag.glsl SRC) - data_to_c_simple(engines/eevee/shaders/shadow_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/shadow_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/bsdf_lut_frag.glsl SRC) @@ -240,9 +239,13 @@ data_to_c_simple(engines/eevee/shaders/octahedron_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/cubemap_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/bsdf_sampling_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/raytrace_lib.glsl SRC) +data_to_c_simple(engines/eevee/shaders/renderpass_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/renderpass_postprocess_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/ltc_lib.glsl SRC) data_to_c_simple(engines/eevee/shaders/ssr_lib.glsl SRC) +data_to_c_simple(engines/eevee/shaders/surface_frag.glsl SRC) +data_to_c_simple(engines/eevee/shaders/surface_lib.glsl SRC) +data_to_c_simple(engines/eevee/shaders/surface_vert.glsl SRC) data_to_c_simple(engines/eevee/shaders/update_noise_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/volumetric_accum_frag.glsl SRC) data_to_c_simple(engines/eevee/shaders/volumetric_lib.glsl SRC) @@ -286,6 +289,8 @@ data_to_c_simple(intern/shaders/common_colormanagement_lib.glsl SRC) data_to_c_simple(intern/shaders/common_globals_lib.glsl SRC) data_to_c_simple(intern/shaders/common_hair_lib.glsl SRC) data_to_c_simple(intern/shaders/common_hair_refine_vert.glsl SRC) +data_to_c_simple(intern/shaders/common_math_lib.glsl SRC) +data_to_c_simple(intern/shaders/common_math_geom_lib.glsl SRC) data_to_c_simple(intern/shaders/common_view_lib.glsl SRC) data_to_c_simple(intern/shaders/common_fxaa_lib.glsl SRC) data_to_c_simple(intern/shaders/common_smaa_lib.glsl SRC) diff --git a/source/blender/draw/engines/eevee/eevee_depth_of_field.c b/source/blender/draw/engines/eevee/eevee_depth_of_field.c index 4a3cc36ddef..05cd6426911 100644 --- a/source/blender/draw/engines/eevee/eevee_depth_of_field.c +++ b/source/blender/draw/engines/eevee/eevee_depth_of_field.c @@ -54,24 +54,30 @@ extern char datatoc_common_view_lib_glsl[]; static void eevee_create_shader_depth_of_field(const bool use_alpha) { - char *frag = BLI_string_joinN(datatoc_common_view_lib_glsl, datatoc_effect_dof_frag_glsl); - e_data.dof_downsample_sh[use_alpha] = DRW_shader_create_fullscreen( - frag, + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + + e_data.dof_downsample_sh[use_alpha] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_dof_frag_glsl, + lib, use_alpha ? "#define USE_ALPHA_DOF\n" "#define STEP_DOWNSAMPLE\n" : "#define STEP_DOWNSAMPLE\n"); - e_data.dof_scatter_sh[use_alpha] = DRW_shader_create(datatoc_effect_dof_vert_glsl, - NULL, - frag, - use_alpha ? "#define USE_ALPHA_DOF\n" - "#define STEP_SCATTER\n" : - "#define STEP_SCATTER\n"); - e_data.dof_resolve_sh[use_alpha] = DRW_shader_create_fullscreen(frag, - use_alpha ? - "#define USE_ALPHA_DOF\n" - "#define STEP_RESOLVE\n" : - "#define STEP_RESOLVE\n"); - MEM_freeN(frag); + + e_data.dof_scatter_sh[use_alpha] = DRW_shader_create_with_shaderlib( + datatoc_effect_dof_vert_glsl, + NULL, + datatoc_effect_dof_frag_glsl, + lib, + use_alpha ? "#define USE_ALPHA_DOF\n" + "#define STEP_SCATTER\n" : + "#define STEP_SCATTER\n"); + + e_data.dof_resolve_sh[use_alpha] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_dof_frag_glsl, + lib, + use_alpha ? "#define USE_ALPHA_DOF\n" + "#define STEP_RESOLVE\n" : + "#define STEP_RESOLVE\n"); } int EEVEE_depth_of_field_init(EEVEE_ViewLayerData *UNUSED(sldata), diff --git a/source/blender/draw/engines/eevee/eevee_lookdev.c b/source/blender/draw/engines/eevee/eevee_lookdev.c index 375d8c3c709..105651d20c8 100644 --- a/source/blender/draw/engines/eevee/eevee_lookdev.c +++ b/source/blender/draw/engines/eevee/eevee_lookdev.c @@ -204,6 +204,9 @@ void EEVEE_lookdev_cache_init(EEVEE_Data *vedata, DRW_shgroup_uniform_texture(grp, "image", sl->equirect_radiance_gputexture); /* Do not fadeout when doing probe rendering, only when drawing the background */ DRW_shgroup_uniform_float_copy(grp, "backgroundAlpha", 1.0f); + DRW_shgroup_uniform_block(grp, "grid_block", sldata->grid_ubo); + DRW_shgroup_uniform_block(grp, "probe_block", sldata->probe_ubo); + DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); } else { float background_alpha = g_data->background_alpha * shading->studiolight_background; diff --git a/source/blender/draw/engines/eevee/eevee_lut_gen.c b/source/blender/draw/engines/eevee/eevee_lut_gen.c index 5f20d6fbfb8..1f953a944f0 100644 --- a/source/blender/draw/engines/eevee/eevee_lut_gen.c +++ b/source/blender/draw/engines/eevee/eevee_lut_gen.c @@ -31,6 +31,8 @@ #include "BLI_rand.h" #include "BLI_string_utils.h" +#include "eevee_private.h" + extern char datatoc_bsdf_lut_frag_glsl[]; extern char datatoc_btdf_lut_frag_glsl[]; extern char datatoc_bsdf_common_lib_glsl[]; @@ -45,15 +47,13 @@ static struct GPUTexture *create_ggx_lut_texture(int UNUSED(w), int UNUSED(h)) static float samples_len = 8192.0f; static float inv_samples_len = 1.0f / 8192.0f; - char *lib_str = BLI_string_joinN(datatoc_bsdf_common_lib_glsl, datatoc_bsdf_sampling_lib_glsl); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); - struct GPUShader *sh = DRW_shader_create_with_lib(datatoc_lightprobe_vert_glsl, - datatoc_lightprobe_geom_glsl, - datatoc_bsdf_lut_frag_glsl, - lib_str, - "#define HAMMERSLEY_SIZE 8192\n" - "#define BRDF_LUT_SIZE 64\n" - "#define NOISE_SIZE 64\n"); + struct GPUShader *sh = DRW_shader_create_with_shaderlib(datatoc_lightprobe_vert_glsl, + datatoc_lightprobe_geom_glsl, + datatoc_bsdf_lut_frag_glsl, + lib, + "#define HAMMERSLEY_SIZE 8192\n"); DRWPass *pass = DRW_pass_create("LightProbe Filtering", DRW_STATE_WRITE_COLOR); DRWShadingGroup *grp = DRW_shgroup_create(sh, pass); @@ -106,16 +106,10 @@ static struct GPUTexture *create_ggx_refraction_lut_texture(int w, int h) static float a2 = 0.0f; static float inv_samples_len = 1.0f / 8192.0f; - char *frag_str = BLI_string_joinN( - datatoc_bsdf_common_lib_glsl, datatoc_bsdf_sampling_lib_glsl, datatoc_btdf_lut_frag_glsl); - - struct GPUShader *sh = DRW_shader_create_fullscreen(frag_str, - "#define HAMMERSLEY_SIZE 8192\n" - "#define BRDF_LUT_SIZE 64\n" - "#define NOISE_SIZE 64\n" - "#define LUT_SIZE 64\n"); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); - MEM_freeN(frag_str); + struct GPUShader *sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_btdf_lut_frag_glsl, lib, "#define HAMMERSLEY_SIZE 8192\n"); DRWPass *pass = DRW_pass_create("LightProbe Filtering", DRW_STATE_WRITE_COLOR); DRWShadingGroup *grp = DRW_shgroup_create(sh, pass); diff --git a/source/blender/draw/engines/eevee/eevee_materials.c b/source/blender/draw/engines/eevee/eevee_materials.c index 8c17ecd3905..ab2ed691c63 100644 --- a/source/blender/draw/engines/eevee/eevee_materials.c +++ b/source/blender/draw/engines/eevee/eevee_materials.c @@ -56,37 +56,6 @@ static struct { float noise_offsets[3]; } e_data = {NULL}; /* Engine data */ -extern char datatoc_lights_lib_glsl[]; -extern char datatoc_lightprobe_lib_glsl[]; -extern char datatoc_ambient_occlusion_lib_glsl[]; -extern char datatoc_prepass_frag_glsl[]; -extern char datatoc_prepass_vert_glsl[]; -extern char datatoc_default_frag_glsl[]; -extern char datatoc_default_world_frag_glsl[]; -extern char datatoc_ltc_lib_glsl[]; -extern char datatoc_bsdf_common_lib_glsl[]; -extern char datatoc_bsdf_sampling_lib_glsl[]; -extern char datatoc_common_uniforms_lib_glsl[]; -extern char datatoc_common_hair_lib_glsl[]; -extern char datatoc_common_view_lib_glsl[]; -extern char datatoc_irradiance_lib_glsl[]; -extern char datatoc_octahedron_lib_glsl[]; -extern char datatoc_cubemap_lib_glsl[]; -extern char datatoc_lit_surface_frag_glsl[]; -extern char datatoc_lit_surface_vert_glsl[]; -extern char datatoc_raytrace_lib_glsl[]; -extern char datatoc_ssr_lib_glsl[]; -extern char datatoc_shadow_vert_glsl[]; -extern char datatoc_lightprobe_geom_glsl[]; -extern char datatoc_lightprobe_vert_glsl[]; -extern char datatoc_background_vert_glsl[]; -extern char datatoc_update_noise_frag_glsl[]; -extern char datatoc_volumetric_vert_glsl[]; -extern char datatoc_volumetric_geom_glsl[]; -extern char datatoc_volumetric_frag_glsl[]; -extern char datatoc_volumetric_lib_glsl[]; -extern char datatoc_gpu_shader_uniform_color_frag_glsl[]; - typedef struct EeveeMaterialCache { struct DRWShadingGroup *depth_grp; struct DRWShadingGroup *shading_grp; diff --git a/source/blender/draw/engines/eevee/eevee_mist.c b/source/blender/draw/engines/eevee/eevee_mist.c index 1cedd334d67..1f27ed706a8 100644 --- a/source/blender/draw/engines/eevee/eevee_mist.c +++ b/source/blender/draw/engines/eevee/eevee_mist.c @@ -56,14 +56,10 @@ void EEVEE_mist_output_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) float clear[4] = {0.0f, 0.0f, 0.0f, 0.0f}; if (e_data.mist_sh == NULL) { - char *frag_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_effect_mist_frag_glsl); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); - e_data.mist_sh = DRW_shader_create_fullscreen(frag_str, "#define FIRST_PASS\n"); - - MEM_freeN(frag_str); + e_data.mist_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_mist_frag_glsl, lib, "#define FIRST_PASS\n"); } /* Create FrameBuffer. */ diff --git a/source/blender/draw/engines/eevee/eevee_motion_blur.c b/source/blender/draw/engines/eevee/eevee_motion_blur.c index 586ee780f1d..0e8a2493b01 100644 --- a/source/blender/draw/engines/eevee/eevee_motion_blur.c +++ b/source/blender/draw/engines/eevee/eevee_motion_blur.c @@ -68,27 +68,23 @@ extern char datatoc_common_view_lib_glsl[]; static void eevee_create_shader_motion_blur(void) { - e_data.motion_blur_sh = DRW_shader_create_fullscreen( - datatoc_effect_motion_blur_frag_glsl, - "#define EEVEE_VELOCITY_TILE_SIZE " STRINGIFY(EEVEE_VELOCITY_TILE_SIZE) "\n"); - e_data.motion_blur_object_sh = DRW_shader_create_with_lib(datatoc_object_motion_vert_glsl, - NULL, - datatoc_object_motion_frag_glsl, - datatoc_common_view_lib_glsl, - NULL); - e_data.velocity_tiles_sh = DRW_shader_create_fullscreen( - datatoc_effect_velocity_tile_frag_glsl, - "#define TILE_GATHER\n" - "#define EEVEE_VELOCITY_TILE_SIZE " STRINGIFY(EEVEE_VELOCITY_TILE_SIZE) "\n"); +#define TILE_SIZE_STR "#define EEVEE_VELOCITY_TILE_SIZE " STRINGIFY(EEVEE_VELOCITY_TILE_SIZE) "\n" + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + e_data.motion_blur_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_motion_blur_frag_glsl, lib, TILE_SIZE_STR); + e_data.motion_blur_object_sh = DRW_shader_create_with_shaderlib( + datatoc_object_motion_vert_glsl, NULL, datatoc_object_motion_frag_glsl, lib, NULL); + + e_data.motion_blur_hair_sh = DRW_shader_create_with_shaderlib(datatoc_object_motion_vert_glsl, + NULL, + datatoc_object_motion_frag_glsl, + lib, + "#define HAIR\n"); + + e_data.velocity_tiles_sh = DRW_shader_create_fullscreen(datatoc_effect_velocity_tile_frag_glsl, + "#define TILE_GATHER\n" TILE_SIZE_STR); e_data.velocity_tiles_expand_sh = DRW_shader_create_fullscreen( - datatoc_effect_velocity_tile_frag_glsl, - "#define TILE_EXPANSION\n" - "#define EEVEE_VELOCITY_TILE_SIZE " STRINGIFY(EEVEE_VELOCITY_TILE_SIZE) "\n"); - - char *vert = BLI_string_joinN(datatoc_common_hair_lib_glsl, datatoc_object_motion_vert_glsl); - e_data.motion_blur_hair_sh = DRW_shader_create_with_lib( - vert, NULL, datatoc_object_motion_frag_glsl, datatoc_common_view_lib_glsl, "#define HAIR\n"); - MEM_freeN(vert); + datatoc_effect_velocity_tile_frag_glsl, "#define TILE_EXPANSION\n" TILE_SIZE_STR); } int EEVEE_motion_blur_init(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata) diff --git a/source/blender/draw/engines/eevee/eevee_occlusion.c b/source/blender/draw/engines/eevee/eevee_occlusion.c index a075210967c..1929bbb9b98 100644 --- a/source/blender/draw/engines/eevee/eevee_occlusion.c +++ b/source/blender/draw/engines/eevee/eevee_occlusion.c @@ -53,17 +53,14 @@ extern char datatoc_effect_gtao_frag_glsl[]; static void eevee_create_shader_occlusion(void) { - char *frag_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_ambient_occlusion_lib_glsl, - datatoc_effect_gtao_frag_glsl); - - e_data.gtao_sh = DRW_shader_create_fullscreen(frag_str, NULL); - e_data.gtao_layer_sh = DRW_shader_create_fullscreen(frag_str, "#define LAYERED_DEPTH\n"); - e_data.gtao_debug_sh = DRW_shader_create_fullscreen(frag_str, "#define DEBUG_AO\n"); - - MEM_freeN(frag_str); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + + e_data.gtao_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_gtao_frag_glsl, lib, NULL); + e_data.gtao_layer_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_gtao_frag_glsl, lib, "#define LAYERED_DEPTH\n"); + e_data.gtao_debug_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_gtao_frag_glsl, lib, "#define DEBUG_AO\n"); } int EEVEE_occlusion_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) diff --git a/source/blender/draw/engines/eevee/eevee_private.h b/source/blender/draw/engines/eevee/eevee_private.h index d42e45b4d61..96d262d2390 100644 --- a/source/blender/draw/engines/eevee/eevee_private.h +++ b/source/blender/draw/engines/eevee/eevee_private.h @@ -1057,6 +1057,7 @@ void EEVEE_random_rotation_m4(int sample_ofs, float scale, float r_mat[4][4]); /* eevee_shaders.c */ void EEVEE_shaders_lightprobe_shaders_init(void); void EEVEE_shaders_material_shaders_init(void); +struct DRWShaderLibrary *EEVEE_shader_lib_get(void); struct GPUShader *EEVEE_shaders_probe_filter_glossy_sh_get(void); struct GPUShader *EEVEE_shaders_probe_default_sh_get(void); struct GPUShader *EEVEE_shaders_probe_filter_diffuse_sh_get(void); diff --git a/source/blender/draw/engines/eevee/eevee_renderpasses.c b/source/blender/draw/engines/eevee/eevee_renderpasses.c index be771d7cf42..089d8b7a287 100644 --- a/source/blender/draw/engines/eevee/eevee_renderpasses.c +++ b/source/blender/draw/engines/eevee/eevee_renderpasses.c @@ -199,12 +199,10 @@ void EEVEE_renderpasses_cache_finish(EEVEE_ViewLayerData *sldata, EEVEE_Data *ve EEVEE_RENDERPASSES_WITH_POST_PROCESSING) > 0; if (needs_post_processing) { if (e_data.postprocess_sh == NULL) { - char *frag_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_renderpass_postprocess_frag_glsl); - e_data.postprocess_sh = DRW_shader_create_fullscreen(frag_str, NULL); - MEM_freeN(frag_str); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + + e_data.postprocess_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_renderpass_postprocess_frag_glsl, lib, NULL); } DRW_PASS_CREATE(psl->renderpass_pass, DRW_STATE_WRITE_COLOR); diff --git a/source/blender/draw/engines/eevee/eevee_screen_raytrace.c b/source/blender/draw/engines/eevee/eevee_screen_raytrace.c index 32d758dba4b..a1755e60c06 100644 --- a/source/blender/draw/engines/eevee/eevee_screen_raytrace.c +++ b/source/blender/draw/engines/eevee/eevee_screen_raytrace.c @@ -48,30 +48,12 @@ static struct { struct GPUTexture *depth_src; } e_data = {{NULL}}; /* Engine data */ -extern char datatoc_ambient_occlusion_lib_glsl[]; -extern char datatoc_common_view_lib_glsl[]; -extern char datatoc_common_uniforms_lib_glsl[]; -extern char datatoc_bsdf_common_lib_glsl[]; -extern char datatoc_bsdf_sampling_lib_glsl[]; -extern char datatoc_octahedron_lib_glsl[]; -extern char datatoc_cubemap_lib_glsl[]; extern char datatoc_effect_ssr_frag_glsl[]; -extern char datatoc_lightprobe_lib_glsl[]; -extern char datatoc_raytrace_lib_glsl[]; static struct GPUShader *eevee_effects_screen_raytrace_shader_get(int options) { if (e_data.ssr_sh[options] == NULL) { - char *ssr_shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_ambient_occlusion_lib_glsl, - datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_raytrace_lib_glsl, - datatoc_effect_ssr_frag_glsl); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); DynStr *ds_defines = BLI_dynstr_new(); BLI_dynstr_append(ds_defines, SHADER_DEFINES); @@ -91,9 +73,9 @@ static struct GPUShader *eevee_effects_screen_raytrace_shader_get(int options) char *ssr_define_str = BLI_dynstr_get_cstring(ds_defines); BLI_dynstr_free(ds_defines); - e_data.ssr_sh[options] = DRW_shader_create_fullscreen(ssr_shader_str, ssr_define_str); + e_data.ssr_sh[options] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_ssr_frag_glsl, lib, ssr_define_str); - MEM_freeN(ssr_shader_str); MEM_freeN(ssr_define_str); } diff --git a/source/blender/draw/engines/eevee/eevee_shaders.c b/source/blender/draw/engines/eevee/eevee_shaders.c index 09e74c84948..851dd82c8fa 100644 --- a/source/blender/draw/engines/eevee/eevee_shaders.c +++ b/source/blender/draw/engines/eevee/eevee_shaders.c @@ -40,13 +40,10 @@ static const char *filter_defines = "#define HAMMERSLEY_SIZE " STRINGIFY(HAMMERSLEY_SIZE) "\n" #if defined(IRRADIANCE_SH_L2) - "#define IRRADIANCE_SH_L2\n" -#elif defined(IRRADIANCE_CUBEMAP) - "#define IRRADIANCE_CUBEMAP\n" + "#define IRRADIANCE_SH_L2\n"; #elif defined(IRRADIANCE_HL2) - "#define IRRADIANCE_HL2\n" + "#define IRRADIANCE_HL2\n"; #endif - "#define NOISE_SIZE 64\n"; static struct { /* Probes */ @@ -74,13 +71,9 @@ static struct { struct GPUShader *update_noise_sh; /* Shader strings */ - char *frag_shader_lib; - char *vert_shader_str; - char *vert_shadow_shader_str; - char *vert_background_shader_str; - char *vert_volume_shader_str; - char *geom_volume_shader_str; - char *volume_shader_lib; + char *surface_lit_frag; + + DRWShaderLibrary *lib; /* LookDev Materials */ Material *glossy_mat; @@ -103,16 +96,39 @@ static struct { } world; } e_data = {NULL}; /* Engine data */ -extern char datatoc_bsdf_common_lib_glsl[]; -extern char datatoc_bsdf_sampling_lib_glsl[]; -extern char datatoc_common_uniforms_lib_glsl[]; +extern char datatoc_common_hair_lib_glsl[]; +extern char datatoc_common_math_lib_glsl[]; +extern char datatoc_common_math_geom_lib_glsl[]; extern char datatoc_common_view_lib_glsl[]; +extern char datatoc_gpu_shader_common_obinfos_lib_glsl[]; extern char datatoc_ambient_occlusion_lib_glsl[]; extern char datatoc_background_vert_glsl[]; -extern char datatoc_common_hair_lib_glsl[]; +extern char datatoc_bsdf_common_lib_glsl[]; +extern char datatoc_bsdf_lut_frag_glsl[]; +extern char datatoc_bsdf_sampling_lib_glsl[]; +extern char datatoc_btdf_lut_frag_glsl[]; +extern char datatoc_closure_lib_glsl[]; +extern char datatoc_common_uniforms_lib_glsl[]; +extern char datatoc_common_utiltex_lib_glsl[]; extern char datatoc_cubemap_lib_glsl[]; +extern char datatoc_default_frag_glsl[]; extern char datatoc_default_world_frag_glsl[]; +extern char datatoc_effect_bloom_frag_glsl[]; +extern char datatoc_effect_dof_frag_glsl[]; +extern char datatoc_effect_dof_vert_glsl[]; +extern char datatoc_effect_downsample_cube_frag_glsl[]; +extern char datatoc_effect_downsample_frag_glsl[]; +extern char datatoc_effect_gtao_frag_glsl[]; +extern char datatoc_effect_minmaxz_frag_glsl[]; +extern char datatoc_effect_mist_frag_glsl[]; +extern char datatoc_effect_motion_blur_frag_glsl[]; +extern char datatoc_effect_ssr_frag_glsl[]; +extern char datatoc_effect_subsurface_frag_glsl[]; +extern char datatoc_effect_temporal_aa_glsl[]; +extern char datatoc_effect_translucency_frag_glsl[]; +extern char datatoc_effect_velocity_resolve_frag_glsl[]; +extern char datatoc_effect_velocity_tile_frag_glsl[]; extern char datatoc_irradiance_lib_glsl[]; extern char datatoc_lightprobe_cube_display_frag_glsl[]; extern char datatoc_lightprobe_cube_display_vert_glsl[]; @@ -131,72 +147,108 @@ extern char datatoc_lightprobe_planar_downsample_geom_glsl[]; extern char datatoc_lightprobe_planar_downsample_vert_glsl[]; extern char datatoc_lightprobe_vert_glsl[]; extern char datatoc_lights_lib_glsl[]; -extern char datatoc_lit_surface_frag_glsl[]; -extern char datatoc_lit_surface_vert_glsl[]; +extern char datatoc_closure_lit_lib_glsl[]; extern char datatoc_ltc_lib_glsl[]; +extern char datatoc_object_motion_frag_glsl[]; +extern char datatoc_object_motion_vert_glsl[]; extern char datatoc_octahedron_lib_glsl[]; extern char datatoc_prepass_frag_glsl[]; +extern char datatoc_prepass_vert_glsl[]; extern char datatoc_raytrace_lib_glsl[]; +extern char datatoc_renderpass_lib_glsl[]; +extern char datatoc_renderpass_postprocess_frag_glsl[]; +extern char datatoc_shadow_accum_frag_glsl[]; +extern char datatoc_shadow_frag_glsl[]; extern char datatoc_shadow_vert_glsl[]; extern char datatoc_ssr_lib_glsl[]; +extern char datatoc_surface_frag_glsl[]; +extern char datatoc_surface_lib_glsl[]; +extern char datatoc_surface_vert_glsl[]; extern char datatoc_update_noise_frag_glsl[]; +extern char datatoc_volumetric_accum_frag_glsl[]; extern char datatoc_volumetric_frag_glsl[]; extern char datatoc_volumetric_geom_glsl[]; +extern char datatoc_volumetric_integration_frag_glsl[]; extern char datatoc_volumetric_lib_glsl[]; +extern char datatoc_volumetric_resolve_frag_glsl[]; +extern char datatoc_volumetric_scatter_frag_glsl[]; extern char datatoc_volumetric_vert_glsl[]; -/* Velocity Resolve */ -extern char datatoc_effect_velocity_resolve_frag_glsl[]; - -/* Temporal Sampling */ -extern char datatoc_effect_temporal_aa_glsl[]; - /* *********** FUNCTIONS *********** */ +static void eevee_shader_library_ensure(void) +{ + if (e_data.lib == NULL) { + e_data.lib = DRW_shader_library_create(); + /* NOTE: Theses needs to be ordered by dependencies. */ + DRW_SHADER_LIB_ADD(e_data.lib, common_math_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_math_geom_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_hair_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_view_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_uniforms_lib); + DRW_SHADER_LIB_ADD(e_data.lib, gpu_shader_common_obinfos_lib); + DRW_SHADER_LIB_ADD(e_data.lib, renderpass_lib); + DRW_SHADER_LIB_ADD(e_data.lib, bsdf_common_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_utiltex_lib); + DRW_SHADER_LIB_ADD(e_data.lib, bsdf_sampling_lib); + DRW_SHADER_LIB_ADD(e_data.lib, cubemap_lib); + DRW_SHADER_LIB_ADD(e_data.lib, raytrace_lib); + DRW_SHADER_LIB_ADD(e_data.lib, ambient_occlusion_lib); + DRW_SHADER_LIB_ADD(e_data.lib, octahedron_lib); + DRW_SHADER_LIB_ADD(e_data.lib, irradiance_lib); + DRW_SHADER_LIB_ADD(e_data.lib, lightprobe_lib); + DRW_SHADER_LIB_ADD(e_data.lib, ltc_lib); + DRW_SHADER_LIB_ADD(e_data.lib, lights_lib); + DRW_SHADER_LIB_ADD(e_data.lib, surface_lib); + DRW_SHADER_LIB_ADD(e_data.lib, volumetric_lib); + DRW_SHADER_LIB_ADD(e_data.lib, closure_lib); + DRW_SHADER_LIB_ADD(e_data.lib, ssr_lib); + + /* Add one for each Closure */ + char *lit_frag = BLI_string_joinN(datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + datatoc_closure_lit_lib_glsl, + "#define CLOSURE_FUNCTIONS\n", + datatoc_surface_frag_glsl); + + e_data.surface_lit_frag = DRW_shader_library_create_shader_string(e_data.lib, lit_frag); + + MEM_SAFE_FREE(lit_frag); + } +} + void EEVEE_shaders_lightprobe_shaders_init(void) { BLI_assert(e_data.probe_filter_glossy_sh == NULL); - char *shader_str = NULL; - - shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_lightprobe_filter_glossy_frag_glsl); - - e_data.probe_filter_glossy_sh = DRW_shader_create( - datatoc_lightprobe_vert_glsl, datatoc_lightprobe_geom_glsl, shader_str, filter_defines); - - e_data.probe_default_sh = DRW_shader_create_with_lib(datatoc_background_vert_glsl, - NULL, - datatoc_default_world_frag_glsl, - datatoc_common_view_lib_glsl, - NULL); - MEM_freeN(shader_str); + eevee_shader_library_ensure(); - shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_lightprobe_filter_diffuse_frag_glsl); + e_data.probe_filter_glossy_sh = DRW_shader_create_with_shaderlib( + datatoc_lightprobe_vert_glsl, + datatoc_lightprobe_geom_glsl, + datatoc_lightprobe_filter_glossy_frag_glsl, + e_data.lib, + filter_defines); - e_data.probe_filter_diffuse_sh = DRW_shader_create_fullscreen(shader_str, filter_defines); + e_data.probe_default_sh = DRW_shader_create_with_shaderlib( + datatoc_background_vert_glsl, NULL, datatoc_default_world_frag_glsl, e_data.lib, NULL); - MEM_freeN(shader_str); + e_data.probe_filter_diffuse_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_lightprobe_filter_diffuse_frag_glsl, e_data.lib, filter_defines); - shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_lightprobe_filter_visibility_frag_glsl); + e_data.probe_filter_visibility_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_lightprobe_filter_visibility_frag_glsl, e_data.lib, filter_defines); - e_data.probe_filter_visibility_sh = DRW_shader_create_fullscreen(shader_str, filter_defines); - - MEM_freeN(shader_str); - - e_data.probe_grid_fill_sh = DRW_shader_create_fullscreen(datatoc_lightprobe_grid_fill_frag_glsl, - filter_defines); + e_data.probe_grid_fill_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_lightprobe_grid_fill_frag_glsl, e_data.lib, filter_defines); e_data.probe_planar_downsample_sh = DRW_shader_create( datatoc_lightprobe_planar_downsample_vert_glsl, @@ -207,60 +259,13 @@ void EEVEE_shaders_lightprobe_shaders_init(void) void EEVEE_shaders_material_shaders_init(void) { - e_data.frag_shader_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_ambient_occlusion_lib_glsl, - datatoc_raytrace_lib_glsl, - datatoc_ssr_lib_glsl, - datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_irradiance_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_ltc_lib_glsl, - datatoc_lights_lib_glsl, - /* Add one for each Closure */ - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_lit_surface_frag_glsl, - datatoc_volumetric_lib_glsl); - - e_data.volume_shader_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_ambient_occlusion_lib_glsl, - datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_irradiance_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_ltc_lib_glsl, - datatoc_lights_lib_glsl, - datatoc_volumetric_lib_glsl, - datatoc_volumetric_frag_glsl); - - e_data.vert_shader_str = BLI_string_joinN( - datatoc_common_view_lib_glsl, datatoc_common_hair_lib_glsl, datatoc_lit_surface_vert_glsl); - - e_data.vert_shadow_shader_str = BLI_string_joinN( - datatoc_common_view_lib_glsl, datatoc_common_hair_lib_glsl, datatoc_shadow_vert_glsl); - - e_data.vert_background_shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_background_vert_glsl); - - e_data.vert_volume_shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_volumetric_vert_glsl); - - e_data.geom_volume_shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_volumetric_geom_glsl); + eevee_shader_library_ensure(); +} + +DRWShaderLibrary *EEVEE_shader_lib_get(void) +{ + eevee_shader_library_ensure(); + return e_data.lib; } GPUShader *EEVEE_shaders_probe_filter_glossy_sh_get(void) @@ -296,11 +301,11 @@ GPUShader *EEVEE_shaders_probe_planar_downsample_sh_get(void) GPUShader *EEVEE_shaders_default_studiolight_sh_get(void) { if (e_data.probe_default_studiolight_sh == NULL) { - e_data.probe_default_studiolight_sh = DRW_shader_create_with_lib( + e_data.probe_default_studiolight_sh = DRW_shader_create_with_shaderlib( datatoc_background_vert_glsl, NULL, datatoc_default_world_frag_glsl, - datatoc_common_view_lib_glsl, + e_data.lib, "#define LOOKDEV\n"); } return e_data.probe_default_studiolight_sh; @@ -309,21 +314,12 @@ GPUShader *EEVEE_shaders_default_studiolight_sh_get(void) GPUShader *EEVEE_shaders_background_studiolight_sh_get(void) { if (e_data.probe_background_studiolight_sh == NULL) { - char *frag_str = BLI_string_joinN(datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_default_world_frag_glsl); - - e_data.probe_background_studiolight_sh = DRW_shader_create_with_lib( + e_data.probe_background_studiolight_sh = DRW_shader_create_with_shaderlib( datatoc_background_vert_glsl, NULL, - frag_str, - datatoc_common_view_lib_glsl, + datatoc_default_world_frag_glsl, + e_data.lib, "#define LOOKDEV_BG\n" SHADER_DEFINES); - - MEM_freeN(frag_str); } return e_data.probe_background_studiolight_sh; } @@ -331,21 +327,12 @@ GPUShader *EEVEE_shaders_background_studiolight_sh_get(void) GPUShader *EEVEE_shaders_probe_cube_display_sh_get(void) { if (e_data.probe_cube_display_sh == NULL) { - char *shader_str = BLI_string_joinN(datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_lightprobe_cube_display_frag_glsl); - - char *vert_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_lightprobe_cube_display_vert_glsl); - - e_data.probe_cube_display_sh = DRW_shader_create(vert_str, NULL, shader_str, SHADER_DEFINES); - - MEM_freeN(vert_str); - MEM_freeN(shader_str); + e_data.probe_cube_display_sh = DRW_shader_create_with_shaderlib( + datatoc_lightprobe_cube_display_vert_glsl, + NULL, + datatoc_lightprobe_cube_display_frag_glsl, + e_data.lib, + SHADER_DEFINES); } return e_data.probe_cube_display_sh; } @@ -353,22 +340,12 @@ GPUShader *EEVEE_shaders_probe_cube_display_sh_get(void) GPUShader *EEVEE_shaders_probe_grid_display_sh_get(void) { if (e_data.probe_grid_display_sh == NULL) { - char *shader_str = BLI_string_joinN(datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_irradiance_lib_glsl, - datatoc_lightprobe_lib_glsl, - datatoc_lightprobe_grid_display_frag_glsl); - - char *vert_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_lightprobe_grid_display_vert_glsl); - - e_data.probe_grid_display_sh = DRW_shader_create(vert_str, NULL, shader_str, filter_defines); - - MEM_freeN(vert_str); - MEM_freeN(shader_str); + e_data.probe_grid_display_sh = DRW_shader_create_with_shaderlib( + datatoc_lightprobe_grid_display_vert_glsl, + NULL, + datatoc_lightprobe_grid_display_frag_glsl, + e_data.lib, + filter_defines); } return e_data.probe_grid_display_sh; } @@ -376,16 +353,12 @@ GPUShader *EEVEE_shaders_probe_grid_display_sh_get(void) GPUShader *EEVEE_shaders_probe_planar_display_sh_get(void) { if (e_data.probe_planar_display_sh == NULL) { - char *vert_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_lightprobe_planar_display_vert_glsl); - - char *shader_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_lightprobe_planar_display_frag_glsl); - - e_data.probe_planar_display_sh = DRW_shader_create(vert_str, NULL, shader_str, NULL); - - MEM_freeN(vert_str); - MEM_freeN(shader_str); + e_data.probe_planar_display_sh = DRW_shader_create_with_shaderlib( + datatoc_lightprobe_planar_display_vert_glsl, + NULL, + datatoc_lightprobe_planar_display_frag_glsl, + e_data.lib, + NULL); } return e_data.probe_planar_display_sh; } @@ -393,14 +366,8 @@ GPUShader *EEVEE_shaders_probe_planar_display_sh_get(void) GPUShader *EEVEE_shaders_velocity_resolve_sh_get(void) { if (e_data.velocity_resolve_sh == NULL) { - char *frag_str = BLI_string_joinN(datatoc_common_uniforms_lib_glsl, - datatoc_common_view_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_effect_velocity_resolve_frag_glsl); - - e_data.velocity_resolve_sh = DRW_shader_create_fullscreen(frag_str, NULL); - - MEM_freeN(frag_str); + e_data.velocity_resolve_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_velocity_resolve_frag_glsl, e_data.lib, NULL); } return e_data.velocity_resolve_sh; } @@ -408,11 +375,8 @@ GPUShader *EEVEE_shaders_velocity_resolve_sh_get(void) GPUShader *EEVEE_shaders_default_background_sh_get(void) { if (e_data.default_background == NULL) { - e_data.default_background = DRW_shader_create_with_lib(datatoc_background_vert_glsl, - NULL, - datatoc_default_world_frag_glsl, - datatoc_common_view_lib_glsl, - NULL); + e_data.default_background = DRW_shader_create_with_shaderlib( + datatoc_background_vert_glsl, NULL, datatoc_default_world_frag_glsl, e_data.lib, NULL); } return e_data.default_background; } @@ -420,7 +384,8 @@ GPUShader *EEVEE_shaders_default_background_sh_get(void) GPUShader *EEVEE_shaders_update_noise_sh_get(void) { if (e_data.update_noise_sh == NULL) { - e_data.update_noise_sh = DRW_shader_create_fullscreen(datatoc_update_noise_frag_glsl, NULL); + e_data.update_noise_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_update_noise_frag_glsl, e_data.lib, NULL); } return e_data.update_noise_sh; } @@ -437,13 +402,8 @@ GPUShader *EEVEE_shaders_taa_resolve_sh_get(EEVEE_EffectsFlag enabled_effects) sh = &e_data.taa_resolve_sh; } if (*sh == NULL) { - char *frag_str = BLI_string_joinN(datatoc_common_uniforms_lib_glsl, - datatoc_common_view_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_effect_temporal_aa_glsl); - - *sh = DRW_shader_create_fullscreen(frag_str, define); - MEM_freeN(frag_str); + *sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_temporal_aa_glsl, e_data.lib, define); } return *sh; @@ -635,13 +595,13 @@ static char *eevee_get_vert(int options) char *str = NULL; if ((options & VAR_MAT_VOLUME) != 0) { - str = BLI_strdup(e_data.vert_volume_shader_str); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_volumetric_vert_glsl); } else if ((options & (VAR_WORLD_PROBE | VAR_WORLD_BACKGROUND)) != 0) { - str = BLI_strdup(e_data.vert_background_shader_str); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_background_vert_glsl); } else { - str = BLI_strdup(e_data.vert_shader_str); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_surface_vert_glsl); } return str; @@ -652,7 +612,7 @@ static char *eevee_get_geom(int options) char *str = NULL; if ((options & VAR_MAT_VOLUME) != 0) { - str = BLI_strdup(e_data.geom_volume_shader_str); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_volumetric_geom_glsl); } return str; @@ -663,13 +623,13 @@ static char *eevee_get_frag(int options) char *str = NULL; if ((options & VAR_MAT_VOLUME) != 0) { - str = BLI_strdup(e_data.volume_shader_lib); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_volumetric_frag_glsl); } else if ((options & VAR_MAT_DEPTH) != 0) { - str = BLI_string_joinN(e_data.frag_shader_lib, datatoc_prepass_frag_glsl); + str = DRW_shader_library_create_shader_string(e_data.lib, datatoc_prepass_frag_glsl); } else { - str = BLI_strdup(e_data.frag_shader_lib); + str = BLI_strdup(e_data.surface_lit_frag); } return str; @@ -764,13 +724,7 @@ struct GPUMaterial *EEVEE_material_get( void EEVEE_shaders_free(void) { - MEM_SAFE_FREE(e_data.frag_shader_lib); - MEM_SAFE_FREE(e_data.vert_shader_str); - MEM_SAFE_FREE(e_data.vert_shadow_shader_str); - MEM_SAFE_FREE(e_data.vert_background_shader_str); - MEM_SAFE_FREE(e_data.vert_volume_shader_str); - MEM_SAFE_FREE(e_data.geom_volume_shader_str); - MEM_SAFE_FREE(e_data.volume_shader_lib); + MEM_SAFE_FREE(e_data.surface_lit_frag); DRW_SHADER_FREE_SAFE(e_data.default_background); DRW_SHADER_FREE_SAFE(e_data.update_noise_sh); DRW_SHADER_FREE_SAFE(e_data.probe_default_sh); @@ -787,6 +741,7 @@ void EEVEE_shaders_free(void) DRW_SHADER_FREE_SAFE(e_data.velocity_resolve_sh); DRW_SHADER_FREE_SAFE(e_data.taa_resolve_sh); DRW_SHADER_FREE_SAFE(e_data.taa_resolve_reproject_sh); + DRW_SHADER_LIB_FREE_SAFE(e_data.lib); if (e_data.glossy_mat) { BKE_id_free(NULL, e_data.glossy_mat); diff --git a/source/blender/draw/engines/eevee/eevee_shadows.c b/source/blender/draw/engines/eevee/eevee_shadows.c index 8c50b26b45f..0da356b75ac 100644 --- a/source/blender/draw/engines/eevee/eevee_shadows.c +++ b/source/blender/draw/engines/eevee/eevee_shadows.c @@ -42,11 +42,6 @@ static struct { extern char datatoc_shadow_vert_glsl[]; extern char datatoc_shadow_frag_glsl[]; extern char datatoc_shadow_accum_frag_glsl[]; -extern char datatoc_common_view_lib_glsl[]; -extern char datatoc_common_uniforms_lib_glsl[]; -extern char datatoc_bsdf_common_lib_glsl[]; -extern char datatoc_lights_lib_glsl[]; -extern char datatoc_raytrace_lib_glsl[]; void eevee_contact_shadow_setup(const Light *la, EEVEE_Shadow *evsh) { @@ -65,23 +60,13 @@ void EEVEE_shadows_init(EEVEE_ViewLayerData *sldata) const Scene *scene_eval = DEG_get_evaluated_scene(draw_ctx->depsgraph); if (!e_data.shadow_sh) { - e_data.shadow_sh = DRW_shader_create_with_lib(datatoc_shadow_vert_glsl, - NULL, - datatoc_shadow_frag_glsl, - datatoc_common_view_lib_glsl, - NULL); - } + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); - if (!e_data.shadow_accum_sh) { - char *frag_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_raytrace_lib_glsl, - datatoc_lights_lib_glsl, - datatoc_shadow_accum_frag_glsl); + e_data.shadow_sh = DRW_shader_create_with_shaderlib( + datatoc_shadow_vert_glsl, NULL, datatoc_shadow_frag_glsl, lib, NULL); - e_data.shadow_accum_sh = DRW_shader_create_fullscreen(frag_str, SHADER_DEFINES); - MEM_freeN(frag_str); + e_data.shadow_accum_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_shadow_accum_frag_glsl, lib, SHADER_DEFINES); } if (!sldata->lights) { diff --git a/source/blender/draw/engines/eevee/eevee_subsurface.c b/source/blender/draw/engines/eevee/eevee_subsurface.c index ef4588f4aca..637c5201afc 100644 --- a/source/blender/draw/engines/eevee/eevee_subsurface.c +++ b/source/blender/draw/engines/eevee/eevee_subsurface.c @@ -38,41 +38,19 @@ static struct { struct GPUShader *sss_sh[3]; } e_data = {{NULL}}; /* Engine data */ -extern char datatoc_common_view_lib_glsl[]; -extern char datatoc_common_uniforms_lib_glsl[]; -extern char datatoc_lights_lib_glsl[]; -extern char datatoc_raytrace_lib_glsl[]; -extern char datatoc_octahedron_lib_glsl[]; -extern char datatoc_cubemap_lib_glsl[]; -extern char datatoc_bsdf_sampling_lib_glsl[]; -extern char datatoc_bsdf_common_lib_glsl[]; extern char datatoc_effect_subsurface_frag_glsl[]; extern char datatoc_effect_translucency_frag_glsl[]; static void eevee_create_shader_subsurface(void) { - char *frag_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_effect_subsurface_frag_glsl); - - /* TODO(fclem) remove some of these dependencies. */ - char *frag_translucent_str = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_bsdf_sampling_lib_glsl, - datatoc_raytrace_lib_glsl, - datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_lights_lib_glsl, - datatoc_effect_translucency_frag_glsl); - - e_data.sss_sh[0] = DRW_shader_create_fullscreen(frag_str, "#define FIRST_PASS\n"); - e_data.sss_sh[1] = DRW_shader_create_fullscreen(frag_str, "#define SECOND_PASS\n"); - e_data.sss_sh[2] = DRW_shader_create_fullscreen(frag_translucent_str, - "#define EEVEE_TRANSLUCENCY\n" SHADER_DEFINES); - - MEM_freeN(frag_translucent_str); - MEM_freeN(frag_str); + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + + e_data.sss_sh[0] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_subsurface_frag_glsl, lib, "#define FIRST_PASS\n"); + e_data.sss_sh[1] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_subsurface_frag_glsl, lib, "#define SECOND_PASS\n"); + e_data.sss_sh[2] = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_effect_translucency_frag_glsl, lib, "#define EEVEE_TRANSLUCENCY\n" SHADER_DEFINES); } void EEVEE_subsurface_init(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *UNUSED(vedata)) diff --git a/source/blender/draw/engines/eevee/eevee_volumes.c b/source/blender/draw/engines/eevee/eevee_volumes.c index 300022e97a9..b59e9a0bf67 100644 --- a/source/blender/draw/engines/eevee/eevee_volumes.c +++ b/source/blender/draw/engines/eevee/eevee_volumes.c @@ -51,9 +51,6 @@ #include "eevee_private.h" static struct { - char *volumetric_common_lib; - char *volumetric_common_lights_lib; - struct GPUShader *volumetric_clear_sh; struct GPUShader *scatter_sh; struct GPUShader *scatter_with_lights_sh; @@ -97,57 +94,48 @@ extern char datatoc_common_fullscreen_vert_glsl[]; static void eevee_create_shader_volumes(void) { - e_data.volumetric_common_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_volumetric_lib_glsl); - - e_data.volumetric_common_lights_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, - datatoc_common_uniforms_lib_glsl, - datatoc_bsdf_common_lib_glsl, - datatoc_octahedron_lib_glsl, - datatoc_cubemap_lib_glsl, - datatoc_irradiance_lib_glsl, - datatoc_lights_lib_glsl, - datatoc_volumetric_lib_glsl); - - e_data.volumetric_clear_sh = DRW_shader_create_with_lib(datatoc_volumetric_vert_glsl, - datatoc_volumetric_geom_glsl, - datatoc_volumetric_frag_glsl, - e_data.volumetric_common_lib, - "#define VOLUMETRICS\n" - "#define CLEAR\n"); - e_data.scatter_sh = DRW_shader_create_with_lib(datatoc_volumetric_vert_glsl, - datatoc_volumetric_geom_glsl, - datatoc_volumetric_scatter_frag_glsl, - e_data.volumetric_common_lights_lib, - SHADER_DEFINES - "#define VOLUMETRICS\n" - "#define VOLUME_SHADOW\n"); - e_data.scatter_with_lights_sh = DRW_shader_create_with_lib(datatoc_volumetric_vert_glsl, - datatoc_volumetric_geom_glsl, - datatoc_volumetric_scatter_frag_glsl, - e_data.volumetric_common_lights_lib, - SHADER_DEFINES - "#define VOLUMETRICS\n" - "#define VOLUME_LIGHTING\n" - "#define VOLUME_SHADOW\n"); - e_data.volumetric_integration_sh = DRW_shader_create_with_lib( + DRWShaderLibrary *lib = EEVEE_shader_lib_get(); + + e_data.volumetric_clear_sh = DRW_shader_create_with_shaderlib(datatoc_volumetric_vert_glsl, + datatoc_volumetric_geom_glsl, + datatoc_volumetric_frag_glsl, + lib, + SHADER_DEFINES + "#define VOLUMETRICS\n" + "#define CLEAR\n"); + + e_data.scatter_sh = DRW_shader_create_with_shaderlib(datatoc_volumetric_vert_glsl, + datatoc_volumetric_geom_glsl, + datatoc_volumetric_scatter_frag_glsl, + lib, + SHADER_DEFINES + "#define VOLUMETRICS\n" + "#define VOLUME_SHADOW\n"); + + e_data.scatter_with_lights_sh = DRW_shader_create_with_shaderlib( + datatoc_volumetric_vert_glsl, + datatoc_volumetric_geom_glsl, + datatoc_volumetric_scatter_frag_glsl, + lib, + SHADER_DEFINES + "#define VOLUMETRICS\n" + "#define VOLUME_LIGHTING\n" + "#define VOLUME_SHADOW\n"); + + e_data.volumetric_integration_sh = DRW_shader_create_with_shaderlib( datatoc_volumetric_vert_glsl, datatoc_volumetric_geom_glsl, datatoc_volumetric_integration_frag_glsl, - e_data.volumetric_common_lib, + lib, USE_VOLUME_OPTI ? "#extension GL_ARB_shader_image_load_store: enable\n" "#extension GL_ARB_shading_language_420pack: enable\n" - "#define USE_VOLUME_OPTI\n" : - NULL); - e_data.volumetric_resolve_sh = DRW_shader_create_with_lib(datatoc_common_fullscreen_vert_glsl, - NULL, - datatoc_volumetric_resolve_frag_glsl, - e_data.volumetric_common_lib, - NULL); - e_data.volumetric_accum_sh = DRW_shader_create_fullscreen(datatoc_volumetric_accum_frag_glsl, - NULL); + "#define USE_VOLUME_OPTI\n" SHADER_DEFINES : + SHADER_DEFINES); + + e_data.volumetric_resolve_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_volumetric_resolve_frag_glsl, lib, SHADER_DEFINES); + e_data.volumetric_accum_sh = DRW_shader_create_fullscreen_with_shaderlib( + datatoc_volumetric_accum_frag_glsl, lib, SHADER_DEFINES); const float density[4] = {1.0f, 1.0f, 1.0f, 1.0f}; e_data.dummy_density = DRW_texture_create_3d(1, 1, 1, GPU_RGBA8, DRW_TEX_WRAP, density); @@ -848,9 +836,6 @@ void EEVEE_volumes_free_smoke_textures(void) void EEVEE_volumes_free(void) { - MEM_SAFE_FREE(e_data.volumetric_common_lib); - MEM_SAFE_FREE(e_data.volumetric_common_lights_lib); - DRW_TEXTURE_FREE_SAFE(e_data.dummy_scatter); DRW_TEXTURE_FREE_SAFE(e_data.dummy_transmit); diff --git a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl index 57b16418696..2f6f8327f58 100644 --- a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl @@ -1,4 +1,7 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(raytrace_lib.glsl) + /* Based on Practical Realtime Strategies for Accurate Indirect Occlusion * http://blog.selfshadow.com/publications/s2016-shading-course/activision/s2016_pbs_activision_occlusion.pdf * http://blog.selfshadow.com/publications/s2016-shading-course/activision/s2016_pbs_activision_occlusion.pptx @@ -24,12 +27,6 @@ #define MAX_SEARCH_ITER 32 #define MAX_LOD 6.0 -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - uniform sampler2D horizonBuffer; /* aoSettings flags */ @@ -243,6 +240,11 @@ float gtao_multibounce(float visibility, vec3 albedo) return max(x, ((x * a + b) * x + c) * x); } +float specular_occlusion(float NV, float AO, float roughness) +{ + return saturate(pow(NV + AO, roughness) - 1.0 + AO); +} + /* Use the right occlusion */ float occlusion_compute(vec3 N, vec3 vpos, float user_occlusion, vec4 rand, out vec3 bent_normal) { diff --git a/source/blender/draw/engines/eevee/shaders/background_vert.glsl b/source/blender/draw/engines/eevee/shaders/background_vert.glsl index aff8e0857f6..8b83fd69915 100644 --- a/source/blender/draw/engines/eevee/shaders/background_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/background_vert.glsl @@ -1,17 +1,13 @@ -in vec2 pos; - -out vec3 viewPosition; +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) -#ifndef VOLUMETRICS -/* necessary for compilation*/ -out vec3 worldPosition; -out vec3 worldNormal; -out vec3 viewNormal; -#endif +in vec2 pos; void main() { + GPU_INTEL_VERTEX_SHADER_WORKAROUND + gl_Position = vec4(pos, 1.0, 1.0); viewPosition = vec3(pos, -1.0); diff --git a/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl b/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl index a8b8566edec..deedde64194 100644 --- a/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl @@ -1,487 +1,7 @@ -#define M_PI 3.14159265358979323846 /* pi */ -#define M_2PI 6.28318530717958647692 /* 2*pi */ -#define M_PI_2 1.57079632679489661923 /* pi/2 */ -#define M_1_PI 0.318309886183790671538 /* 1/pi */ -#define M_1_2PI 0.159154943091895335768 /* 1/(2*pi) */ -#define M_1_PI2 0.101321183642337771443 /* 1/(pi^2) */ -#define FLT_MAX 3.402823e+38 +#pragma BLENDER_REQUIRE(common_math_lib.glsl) -#define LUT_SIZE 64 - -/* Buffers */ -uniform sampler2D colorBuffer; -uniform sampler2D depthBuffer; -uniform sampler2D maxzBuffer; -uniform sampler2D minzBuffer; -uniform sampler2DArray planarDepth; - -#define cameraForward ViewMatrixInverse[2].xyz -#define cameraPos ViewMatrixInverse[3].xyz -#define cameraVec \ - ((ProjectionMatrix[3][3] == 0.0) ? normalize(cameraPos - worldPosition) : cameraForward) -#define viewCameraVec \ - ((ProjectionMatrix[3][3] == 0.0) ? normalize(-viewPosition) : vec3(0.0, 0.0, 1.0)) - -/* ------- Structures -------- */ - -/* ------ Lights ----- */ -struct LightData { - vec4 position_influence; /* w : InfluenceRadius (inversed and squared) */ - vec4 color_spec; /* w : Spec Intensity */ - vec4 spotdata_radius_shadow; /* x : spot size, y : spot blend, z : radius, w: shadow id */ - vec4 rightvec_sizex; /* xyz: Normalized up vector, w: area size X or spot scale X */ - vec4 upvec_sizey; /* xyz: Normalized right vector, w: area size Y or spot scale Y */ - vec4 forwardvec_type; /* xyz: Normalized forward vector, w: Light Type */ -}; - -/* convenience aliases */ -#define l_color color_spec.rgb -#define l_spec color_spec.a -#define l_position position_influence.xyz -#define l_influence position_influence.w -#define l_sizex rightvec_sizex.w -#define l_sizey upvec_sizey.w -#define l_right rightvec_sizex.xyz -#define l_up upvec_sizey.xyz -#define l_forward forwardvec_type.xyz -#define l_type forwardvec_type.w -#define l_spot_size spotdata_radius_shadow.x -#define l_spot_blend spotdata_radius_shadow.y -#define l_radius spotdata_radius_shadow.z -#define l_shadowid spotdata_radius_shadow.w - -/* ------ Shadows ----- */ -#ifndef MAX_CASCADE_NUM -# define MAX_CASCADE_NUM 4 -#endif - -struct ShadowData { - vec4 near_far_bias_id; - vec4 contact_shadow_data; -}; - -struct ShadowCubeData { - mat4 shadowmat; - vec4 position; -}; - -struct ShadowCascadeData { - mat4 shadowmat[MAX_CASCADE_NUM]; - vec4 split_start_distances; - vec4 split_end_distances; - vec4 shadow_vec_id; -}; - -/* convenience aliases */ -#define sh_near near_far_bias_id.x -#define sh_far near_far_bias_id.y -#define sh_bias near_far_bias_id.z -#define sh_data_index near_far_bias_id.w -#define sh_contact_dist contact_shadow_data.x -#define sh_contact_offset contact_shadow_data.y -#define sh_contact_spread contact_shadow_data.z -#define sh_contact_thickness contact_shadow_data.w -#define sh_shadow_vec shadow_vec_id.xyz -#define sh_tex_index shadow_vec_id.w - -/* ------ Render Passes ----- */ -layout(std140) uniform renderpass_block -{ - bool renderPassDiffuse; - bool renderPassDiffuseLight; - bool renderPassGlossy; - bool renderPassGlossyLight; - bool renderPassEmit; - bool renderPassSSSColor; - bool renderPassEnvironment; -}; - -vec3 render_pass_diffuse_mask(vec3 diffuse_color, vec3 diffuse_light) -{ - return renderPassDiffuse ? (renderPassDiffuseLight ? diffuse_light : diffuse_color) : vec3(0.0); -} - -vec3 render_pass_sss_mask(vec3 sss_color) -{ - return renderPassSSSColor ? sss_color : vec3(0.0); -} - -vec3 render_pass_glossy_mask(vec3 specular_color, vec3 specular_light) -{ - return renderPassGlossy ? (renderPassGlossyLight ? specular_light : specular_color) : vec3(0.0); -} - -vec3 render_pass_emission_mask(vec3 emission_light) -{ - return renderPassEmit ? emission_light : vec3(0.0); -} - -/* ------- Convenience functions --------- */ - -vec3 mul(mat3 m, vec3 v) -{ - return m * v; -} -mat3 mul(mat3 m1, mat3 m2) -{ - return m1 * m2; -} -vec3 transform_direction(mat4 m, vec3 v) -{ - return mat3(m) * v; -} -vec3 transform_point(mat4 m, vec3 v) -{ - return (m * vec4(v, 1.0)).xyz; -} -vec3 project_point(mat4 m, vec3 v) -{ - vec4 tmp = m * vec4(v, 1.0); - return tmp.xyz / tmp.w; -} - -#define min3(a, b, c) min(a, min(b, c)) -#define min4(a, b, c, d) min(a, min3(b, c, d)) -#define min5(a, b, c, d, e) min(a, min4(b, c, d, e)) -#define min6(a, b, c, d, e, f) min(a, min5(b, c, d, e, f)) -#define min7(a, b, c, d, e, f, g) min(a, min6(b, c, d, e, f, g)) -#define min8(a, b, c, d, e, f, g, h) min(a, min7(b, c, d, e, f, g, h)) -#define min9(a, b, c, d, e, f, g, h, i) min(a, min8(b, c, d, e, f, g, h, i)) - -#define max3(a, b, c) max(a, max(b, c)) -#define max4(a, b, c, d) max(a, max3(b, c, d)) -#define max5(a, b, c, d, e) max(a, max4(b, c, d, e)) -#define max6(a, b, c, d, e, f) max(a, max5(b, c, d, e, f)) -#define max7(a, b, c, d, e, f, g) max(a, max6(b, c, d, e, f, g)) -#define max8(a, b, c, d, e, f, g, h) max(a, max7(b, c, d, e, f, g, h)) -#define max9(a, b, c, d, e, f, g, h, i) max(a, max8(b, c, d, e, f, g, h, i)) - -#define avg3(a, b, c) (a + b + c) * (1.0 / 3.0) -#define avg4(a, b, c, d) (a + b + c + d) * (1.0 / 4.0) -#define avg5(a, b, c, d, e) (a + b + c + d + e) * (1.0 / 5.0) -#define avg6(a, b, c, d, e, f) (a + b + c + d + e + f) * (1.0 / 6.0) -#define avg7(a, b, c, d, e, f, g) (a + b + c + d + e + f + g) * (1.0 / 7.0) -#define avg8(a, b, c, d, e, f, g, h) (a + b + c + d + e + f + g + h) * (1.0 / 8.0) -#define avg9(a, b, c, d, e, f, g, h, i) (a + b + c + d + e + f + g + h + i) * (1.0 / 9.0) - -float min_v2(vec2 v) -{ - return min(v.x, v.y); -} -float min_v3(vec3 v) -{ - return min(v.x, min(v.y, v.z)); -} -float min_v4(vec4 v) -{ - return min(min(v.x, v.y), min(v.z, v.w)); -} -float max_v2(vec2 v) -{ - return max(v.x, v.y); -} -float max_v3(vec3 v) -{ - return max(v.x, max(v.y, v.z)); -} -float max_v4(vec4 v) -{ - return max(max(v.x, v.y), max(v.z, v.w)); -} - -float sum(vec2 v) -{ - return dot(vec2(1.0), v); -} -float sum(vec3 v) -{ - return dot(vec3(1.0), v); -} -float sum(vec4 v) -{ - return dot(vec4(1.0), v); -} - -float avg(vec2 v) -{ - return dot(vec2(1.0 / 2.0), v); -} -float avg(vec3 v) -{ - return dot(vec3(1.0 / 3.0), v); -} -float avg(vec4 v) -{ - return dot(vec4(1.0 / 4.0), v); -} - -float saturate(float a) -{ - return clamp(a, 0.0, 1.0); -} -vec2 saturate(vec2 a) -{ - return clamp(a, 0.0, 1.0); -} -vec3 saturate(vec3 a) -{ - return clamp(a, 0.0, 1.0); -} -vec4 saturate(vec4 a) -{ - return clamp(a, 0.0, 1.0); -} - -float distance_squared(vec2 a, vec2 b) -{ - a -= b; - return dot(a, a); -} -float distance_squared(vec3 a, vec3 b) -{ - a -= b; - return dot(a, a); -} -float len_squared(vec3 a) -{ - return dot(a, a); -} - -float inverse_distance(vec3 V) -{ - return max(1 / length(V), 1e-8); -} - -vec2 mip_ratio_interp(float mip) -{ - float low_mip = floor(mip); - return mix(mipRatio[int(low_mip)], mipRatio[int(low_mip + 1.0)], mip - low_mip); -} - -/* ------- RNG ------- */ - -float wang_hash_noise(uint s) -{ - s = (s ^ 61u) ^ (s >> 16u); - s *= 9u; - s = s ^ (s >> 4u); - s *= 0x27d4eb2du; - s = s ^ (s >> 15u); - - return fract(float(s) / 4294967296.0); -} - -/* ------- Fast Math ------- */ - -/* [Drobot2014a] Low Level Optimizations for GCN */ -float fast_sqrt(float v) -{ - return intBitsToFloat(0x1fbd1df5 + (floatBitsToInt(v) >> 1)); -} - -vec2 fast_sqrt(vec2 v) -{ - return intBitsToFloat(0x1fbd1df5 + (floatBitsToInt(v) >> 1)); -} - -/* [Eberly2014] GPGPU Programming for Games and Science */ -float fast_acos(float v) -{ - float res = -0.156583 * abs(v) + M_PI_2; - res *= fast_sqrt(1.0 - abs(v)); - return (v >= 0) ? res : M_PI - res; -} - -vec2 fast_acos(vec2 v) -{ - vec2 res = -0.156583 * abs(v) + M_PI_2; - res *= fast_sqrt(1.0 - abs(v)); - v.x = (v.x >= 0) ? res.x : M_PI - res.x; - v.y = (v.y >= 0) ? res.y : M_PI - res.y; - return v; -} - -float point_plane_projection_dist(vec3 lineorigin, vec3 planeorigin, vec3 planenormal) -{ - return dot(planenormal, planeorigin - lineorigin); -} - -float line_plane_intersect_dist(vec3 lineorigin, - vec3 linedirection, - vec3 planeorigin, - vec3 planenormal) -{ - return dot(planenormal, planeorigin - lineorigin) / dot(planenormal, linedirection); -} - -float line_plane_intersect_dist(vec3 lineorigin, vec3 linedirection, vec4 plane) -{ - vec3 plane_co = plane.xyz * (-plane.w / len_squared(plane.xyz)); - vec3 h = lineorigin - plane_co; - return -dot(plane.xyz, h) / dot(plane.xyz, linedirection); -} - -vec3 line_plane_intersect(vec3 lineorigin, vec3 linedirection, vec3 planeorigin, vec3 planenormal) -{ - float dist = line_plane_intersect_dist(lineorigin, linedirection, planeorigin, planenormal); - return lineorigin + linedirection * dist; -} - -vec3 line_plane_intersect(vec3 lineorigin, vec3 linedirection, vec4 plane) -{ - float dist = line_plane_intersect_dist(lineorigin, linedirection, plane); - return lineorigin + linedirection * dist; -} - -float line_aligned_plane_intersect_dist(vec3 lineorigin, vec3 linedirection, vec3 planeorigin) -{ - /* aligned plane normal */ - vec3 L = planeorigin - lineorigin; - float diskdist = length(L); - vec3 planenormal = -normalize(L); - return -diskdist / dot(planenormal, linedirection); -} - -vec3 line_aligned_plane_intersect(vec3 lineorigin, vec3 linedirection, vec3 planeorigin) -{ - float dist = line_aligned_plane_intersect_dist(lineorigin, linedirection, planeorigin); - if (dist < 0) { - /* if intersection is behind we fake the intersection to be - * really far and (hopefully) not inside the radius of interest */ - dist = 1e16; - } - return lineorigin + linedirection * dist; -} - -float line_unit_sphere_intersect_dist(vec3 lineorigin, vec3 linedirection) -{ - float a = dot(linedirection, linedirection); - float b = dot(linedirection, lineorigin); - float c = dot(lineorigin, lineorigin) - 1; - - float dist = 1e15; - float determinant = b * b - a * c; - if (determinant >= 0) { - dist = (sqrt(determinant) - b) / a; - } - - return dist; -} - -float line_unit_box_intersect_dist(vec3 lineorigin, vec3 linedirection) -{ - /* https://seblagarde.wordpress.com/2012/09/29/image-based-lighting-approaches-and-parallax-corrected-cubemap/ - */ - vec3 firstplane = (vec3(1.0) - lineorigin) / linedirection; - vec3 secondplane = (vec3(-1.0) - lineorigin) / linedirection; - vec3 furthestplane = max(firstplane, secondplane); - - return min_v3(furthestplane); -} - -/* Return texture coordinates to sample Surface LUT */ -vec2 lut_coords(float cosTheta, float roughness) -{ - float theta = acos(cosTheta); - vec2 coords = vec2(roughness, theta / M_PI_2); - - /* scale and bias coordinates, for correct filtered lookup */ - return coords * (LUT_SIZE - 1.0) / LUT_SIZE + 0.5 / LUT_SIZE; -} - -vec2 lut_coords_ltc(float cosTheta, float roughness) -{ - vec2 coords = vec2(roughness, sqrt(1.0 - cosTheta)); - - /* scale and bias coordinates, for correct filtered lookup */ - return coords * (LUT_SIZE - 1.0) / LUT_SIZE + 0.5 / LUT_SIZE; -} - -/* -- Tangent Space conversion -- */ -vec3 tangent_to_world(vec3 vector, vec3 N, vec3 T, vec3 B) -{ - return T * vector.x + B * vector.y + N * vector.z; -} - -vec3 world_to_tangent(vec3 vector, vec3 N, vec3 T, vec3 B) -{ - return vec3(dot(T, vector), dot(B, vector), dot(N, vector)); -} - -void make_orthonormal_basis(vec3 N, out vec3 T, out vec3 B) -{ - vec3 UpVector = abs(N.z) < 0.99999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); - T = normalize(cross(UpVector, N)); - B = cross(N, T); -} - -/* ---- Opengl Depth conversion ---- */ - -float linear_depth(bool is_persp, float z, float zf, float zn) -{ - if (is_persp) { - return (zn * zf) / (z * (zn - zf) + zf); - } - else { - return (z * 2.0 - 1.0) * zf; - } -} - -float buffer_depth(bool is_persp, float z, float zf, float zn) -{ - if (is_persp) { - return (zf * (zn - z)) / (z * (zn - zf)); - } - else { - return (z / (zf * 2.0)) + 0.5; - } -} - -float get_view_z_from_depth(float depth) -{ - if (ProjectionMatrix[3][3] == 0.0) { - float d = 2.0 * depth - 1.0; - return -ProjectionMatrix[3][2] / (d + ProjectionMatrix[2][2]); - } - else { - return viewVecs[0].z + depth * viewVecs[1].z; - } -} - -float get_depth_from_view_z(float z) -{ - if (ProjectionMatrix[3][3] == 0.0) { - float d = (-ProjectionMatrix[3][2] / z) - ProjectionMatrix[2][2]; - return d * 0.5 + 0.5; - } - else { - return (z - viewVecs[0].z) / viewVecs[1].z; - } -} - -vec2 get_uvs_from_view(vec3 view) -{ - vec3 ndc = project_point(ProjectionMatrix, view); - return ndc.xy * 0.5 + 0.5; -} - -vec3 get_view_space_from_depth(vec2 uvcoords, float depth) -{ - if (ProjectionMatrix[3][3] == 0.0) { - return vec3(viewVecs[0].xy + uvcoords * viewVecs[1].xy, 1.0) * get_view_z_from_depth(depth); - } - else { - return viewVecs[0].xyz + vec3(uvcoords, depth) * viewVecs[1].xyz; - } -} - -vec3 get_world_space_from_depth(vec2 uvcoords, float depth) -{ - return (ViewMatrixInverse * vec4(get_view_space_from_depth(uvcoords, depth), 1.0)).xyz; -} - -vec3 get_specular_reflection_dominant_dir(vec3 N, vec3 V, float roughness) +vec3 specular_dominant_dir(vec3 N, vec3 V, float roughness) { vec3 R = -reflect(V, N); float smoothness = 1.0 - roughness; @@ -489,13 +9,6 @@ vec3 get_specular_reflection_dominant_dir(vec3 N, vec3 V, float roughness) return normalize(mix(N, R, fac)); } -float specular_occlusion(float NV, float AO, float roughness) -{ - return saturate(pow(NV + AO, roughness) - 1.0 + AO); -} - -/* --- Refraction utils --- */ - float ior_from_f0(float f0) { float f = sqrt(f0); @@ -508,7 +21,7 @@ float f0_from_ior(float eta) return A * A; } -vec3 get_specular_refraction_dominant_dir(vec3 N, vec3 V, float roughness, float ior) +vec3 refraction_dominant_dir(vec3 N, vec3 V, float roughness, float ior) { /* TODO: This a bad approximation. Better approximation should fit * the refracted vector and roughness into the best prefiltered reflection @@ -527,128 +40,6 @@ vec3 get_specular_refraction_dominant_dir(vec3 N, vec3 V, float roughness, float return R; } -float get_btdf_lut(sampler2DArray btdf_lut_tex, float NV, float roughness, float ior) -{ - const vec3 lut_scale_bias_texel_size = vec3((LUT_SIZE - 1.0), 0.5, 1.5) / LUT_SIZE; - - vec3 coords; - /* Try to compensate for the low resolution and interpolation error. */ - coords.x = (ior > 1.0) ? (0.9 + lut_scale_bias_texel_size.z) + - (0.1 - lut_scale_bias_texel_size.z) * f0_from_ior(ior) : - (0.9 + lut_scale_bias_texel_size.z) * ior * ior; - coords.y = 1.0 - saturate(NV); - coords.xy *= lut_scale_bias_texel_size.x; - coords.xy += lut_scale_bias_texel_size.y; - - const float lut_lvl_ofs = 4.0; /* First texture lvl of roughness. */ - const float lut_lvl_scale = 16.0; /* How many lvl of roughness in the lut. */ - - float mip = roughness * lut_lvl_scale; - float mip_floor = floor(mip); - - coords.z = lut_lvl_ofs + mip_floor + 1.0; - float btdf_high = textureLod(btdf_lut_tex, coords, 0.0).r; - - coords.z -= 1.0; - float btdf_low = textureLod(btdf_lut_tex, coords, 0.0).r; - - float btdf = (ior == 1.0) ? 1.0 : mix(btdf_low, btdf_high, mip - coords.z); - - return btdf; -} - -/* ---- Encode / Decode Normal buffer data ---- */ -/* From http://aras-p.info/texts/CompactNormalStorage.html - * Using Method #4: Spheremap Transform */ -vec2 normal_encode(vec3 n, vec3 view) -{ - float p = sqrt(n.z * 8.0 + 8.0); - return n.xy / p + 0.5; -} - -vec3 normal_decode(vec2 enc, vec3 view) -{ - vec2 fenc = enc * 4.0 - 2.0; - float f = dot(fenc, fenc); - float g = sqrt(1.0 - f / 4.0); - vec3 n; - n.xy = fenc * g; - n.z = 1 - f / 2; - return n; -} - -/* ---- RGBM (shared multiplier) encoding ---- */ -/* From http://iwasbeingirony.blogspot.fr/2010/06/difference-between-rgbm-and-rgbd.html */ - -/* Higher RGBM_MAX_RANGE gives imprecision issues in low intensity. */ -#define RGBM_MAX_RANGE 512.0 - -vec4 rgbm_encode(vec3 rgb) -{ - float maxRGB = max_v3(rgb); - float M = maxRGB / RGBM_MAX_RANGE; - M = ceil(M * 255.0) / 255.0; - return vec4(rgb / (M * RGBM_MAX_RANGE), M); -} - -vec3 rgbm_decode(vec4 data) -{ - return data.rgb * (data.a * RGBM_MAX_RANGE); -} - -/* ---- RGBE (shared exponent) encoding ---- */ -vec4 rgbe_encode(vec3 rgb) -{ - float maxRGB = max_v3(rgb); - float fexp = ceil(log2(maxRGB)); - return vec4(rgb / exp2(fexp), (fexp + 128.0) / 255.0); -} - -vec3 rgbe_decode(vec4 data) -{ - float fexp = data.a * 255.0 - 128.0; - return data.rgb * exp2(fexp); -} - -#if 1 -# define irradiance_encode rgbe_encode -# define irradiance_decode rgbe_decode -#else /* No ecoding (when using floating point format) */ -# define irradiance_encode(X) (X).rgbb -# define irradiance_decode(X) (X).rgb -#endif - -/* Irradiance Visibility Encoding */ -#if 1 -vec4 visibility_encode(vec2 accum, float range) -{ - accum /= range; - - vec4 data; - data.x = fract(accum.x); - data.y = floor(accum.x) / 255.0; - data.z = fract(accum.y); - data.w = floor(accum.y) / 255.0; - - return data; -} - -vec2 visibility_decode(vec4 data, float range) -{ - return (data.xz + data.yw * 255.0) * range; -} -#else /* No ecoding (when using floating point format) */ -vec4 visibility_encode(vec2 accum, float range) -{ - return accum.xyxy; -} - -vec2 visibility_decode(vec4 data, float range) -{ - return data.xy; -} -#endif - /* Fresnel monochromatic, perfect mirror */ float F_eta(float eta, float cos_theta) { @@ -766,265 +157,3 @@ float cone_cosine(float r) /* Jimenez 2016 in Practical Realtime Strategies for Accurate Indirect Occlusion*/ return exp2(-3.32193 * r * r); } - -/* --------- Closure ---------- */ - -#ifdef VOLUMETRICS - -struct Closure { - vec3 absorption; - vec3 scatter; - vec3 emission; - float anisotropy; -}; - -Closure nodetree_exec(void); /* Prototype */ - -# define CLOSURE_DEFAULT Closure(vec3(0.0), vec3(0.0), vec3(0.0), 0.0) - -Closure closure_mix(Closure cl1, Closure cl2, float fac) -{ - Closure cl; - cl.absorption = mix(cl1.absorption, cl2.absorption, fac); - cl.scatter = mix(cl1.scatter, cl2.scatter, fac); - cl.emission = mix(cl1.emission, cl2.emission, fac); - cl.anisotropy = mix(cl1.anisotropy, cl2.anisotropy, fac); - return cl; -} - -Closure closure_add(Closure cl1, Closure cl2) -{ - Closure cl; - cl.absorption = cl1.absorption + cl2.absorption; - cl.scatter = cl1.scatter + cl2.scatter; - cl.emission = cl1.emission + cl2.emission; - cl.anisotropy = (cl1.anisotropy + cl2.anisotropy) / 2.0; /* Average phase (no multi lobe) */ - return cl; -} - -Closure closure_emission(vec3 rgb) -{ - Closure cl = CLOSURE_DEFAULT; - cl.emission = rgb; - return cl; -} - -#else /* VOLUMETRICS */ - -struct Closure { - vec3 radiance; - vec3 transmittance; - float holdout; -# ifdef USE_SSS - vec3 sss_irradiance; - vec3 sss_albedo; - float sss_radius; -# endif - vec4 ssr_data; - vec2 ssr_normal; - int flag; -}; - -Closure nodetree_exec(void); /* Prototype */ - -# define FLAG_TEST(flag, val) (((flag) & (val)) != 0) - -# define CLOSURE_SSR_FLAG 1 -# define CLOSURE_SSS_FLAG 2 -# define CLOSURE_HOLDOUT_FLAG 4 - -# ifdef USE_SSS -# define CLOSURE_DEFAULT \ - Closure(vec3(0.0), vec3(0.0), 0.0, vec3(0.0), vec3(0.0), 0.0, vec4(0.0), vec2(0.0), 0) -# else -# define CLOSURE_DEFAULT Closure(vec3(0.0), vec3(0.0), 0.0, vec4(0.0), vec2(0.0), 0) -# endif - -uniform int outputSsrId = 1; -uniform int outputSssId = 1; - -void closure_load_ssr_data( - vec3 ssr_spec, float roughness, vec3 N, vec3 viewVec, int ssr_id, inout Closure cl) -{ - /* Still encode to avoid artifacts in the SSR pass. */ - vec3 vN = normalize(mat3(ViewMatrix) * N); - cl.ssr_normal = normal_encode(vN, viewVec); - - if (ssr_id == outputSsrId) { - cl.ssr_data = vec4(ssr_spec, roughness); - cl.flag |= CLOSURE_SSR_FLAG; - } -} - -void closure_load_sss_data( - float radius, vec3 sss_irradiance, vec3 sss_albedo, int sss_id, inout Closure cl) -{ -# ifdef USE_SSS - if (sss_id == outputSssId) { - cl.sss_irradiance = sss_irradiance; - cl.sss_radius = radius; - cl.sss_albedo = sss_albedo; - cl.flag |= CLOSURE_SSS_FLAG; - cl.radiance += render_pass_diffuse_mask(sss_albedo, vec3(0)); - } - else -# endif - { - cl.radiance += render_pass_diffuse_mask(sss_albedo, sss_irradiance * sss_albedo); - } -} - -Closure closure_mix(Closure cl1, Closure cl2, float fac) -{ - Closure cl; - cl.holdout = mix(cl1.holdout, cl2.holdout, fac); - - if (FLAG_TEST(cl1.flag, CLOSURE_HOLDOUT_FLAG)) { - fac = 1.0; - } - else if (FLAG_TEST(cl2.flag, CLOSURE_HOLDOUT_FLAG)) { - fac = 0.0; - } - - cl.transmittance = mix(cl1.transmittance, cl2.transmittance, fac); - cl.radiance = mix(cl1.radiance, cl2.radiance, fac); - cl.flag = cl1.flag | cl2.flag; - cl.ssr_data = mix(cl1.ssr_data, cl2.ssr_data, fac); - bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); - /* When mixing SSR don't blend roughness and normals but only specular (ssr_data.xyz).*/ - cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; - cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; - -# ifdef USE_SSS - cl.sss_albedo = mix(cl1.sss_albedo, cl2.sss_albedo, fac); - bool use_cl1_sss = FLAG_TEST(cl1.flag, CLOSURE_SSS_FLAG); - /* It also does not make sense to mix SSS radius or irradiance. */ - cl.sss_radius = (use_cl1_sss) ? cl1.sss_radius : cl2.sss_radius; - cl.sss_irradiance = (use_cl1_sss) ? cl1.sss_irradiance : cl2.sss_irradiance; -# endif - return cl; -} - -Closure closure_add(Closure cl1, Closure cl2) -{ - Closure cl; - cl.transmittance = cl1.transmittance + cl2.transmittance; - cl.radiance = cl1.radiance + cl2.radiance; - cl.holdout = cl1.holdout + cl2.holdout; - cl.flag = cl1.flag | cl2.flag; - cl.ssr_data = cl1.ssr_data + cl2.ssr_data; - bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); - /* When mixing SSR don't blend roughness and normals.*/ - cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; - cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; - -# ifdef USE_SSS - cl.sss_albedo = cl1.sss_albedo + cl2.sss_albedo; - bool use_cl1_sss = FLAG_TEST(cl1.flag, CLOSURE_SSS_FLAG); - /* It also does not make sense to mix SSS radius or irradiance. */ - cl.sss_radius = (use_cl1_sss) ? cl1.sss_radius : cl2.sss_radius; - cl.sss_irradiance = (use_cl1_sss) ? cl1.sss_irradiance : cl2.sss_irradiance; -# endif - return cl; -} - -Closure closure_emission(vec3 rgb) -{ - Closure cl = CLOSURE_DEFAULT; - cl.radiance = rgb; - return cl; -} - -/* Breaking this across multiple lines causes issues for some older GLSL compilers. */ -/* clang-format off */ -# if defined(MESH_SHADER) && !defined(DEPTH_SHADER) -/* clang-format on */ -# ifndef USE_ALPHA_BLEND -layout(location = 0) out vec4 outRadiance; -layout(location = 1) out vec2 ssrNormals; -layout(location = 2) out vec4 ssrData; -# ifdef USE_SSS -layout(location = 3) out vec3 sssIrradiance; -layout(location = 4) out float sssRadius; -layout(location = 5) out vec3 sssAlbedo; -# endif -# else /* USE_ALPHA_BLEND */ -/* Use dual source blending to be able to make a whole range of effects. */ -layout(location = 0, index = 0) out vec4 outRadiance; -layout(location = 0, index = 1) out vec4 outTransmittance; -# endif /* USE_ALPHA_BLEND */ - -# if defined(USE_ALPHA_BLEND) -/* Prototype because this file is included before volumetric_lib.glsl */ -void volumetric_resolve(vec2 frag_uvs, - float frag_depth, - out vec3 transmittance, - out vec3 scattering); -# endif - -# define NODETREE_EXEC -void main() -{ - Closure cl = nodetree_exec(); - - float holdout = saturate(1.0 - cl.holdout); - float transmit = saturate(avg(cl.transmittance)); - float alpha = 1.0 - transmit; - -# ifdef USE_ALPHA_BLEND - vec2 uvs = gl_FragCoord.xy * volCoordScale.zw; - vec3 vol_transmit, vol_scatter; - volumetric_resolve(uvs, gl_FragCoord.z, vol_transmit, vol_scatter); - - /* Removes part of the volume scattering that have - * already been added to the destination pixels. - * Since we do that using the blending pipeline we need to account for material transmittance. */ - vol_scatter -= vol_scatter * cl.transmittance; - - cl.radiance = cl.radiance * holdout * vol_transmit + vol_scatter; - outRadiance = vec4(cl.radiance, alpha * holdout); - outTransmittance = vec4(cl.transmittance, transmit) * holdout; -# else - outRadiance = vec4(cl.radiance, holdout); - ssrNormals = cl.ssr_normal; - ssrData = cl.ssr_data; -# ifdef USE_SSS - sssIrradiance = cl.sss_irradiance; - sssRadius = cl.sss_radius; - sssAlbedo = cl.sss_albedo; -# endif -# endif - - /* For Probe capture */ -# ifdef USE_SSS - float fac = float(!sssToggle); - - /* TODO(fclem) we shouldn't need this. - * Just disable USE_SSS when USE_REFRACTION is enabled. */ -# ifdef USE_REFRACTION - /* SSRefraction pass is done after the SSS pass. - * In order to not loose the diffuse light totally we - * need to merge the SSS radiance to the main radiance. */ - fac = 1.0; -# endif - - outRadiance.rgb += cl.sss_irradiance.rgb * cl.sss_albedo.rgb * fac; -# endif - -# ifdef LOOKDEV - gl_FragDepth = 0.0; -# endif - -# ifndef USE_ALPHA_BLEND - float alpha_div = 1.0 / max(1e-8, alpha); - outRadiance.rgb *= alpha_div; - ssrData.rgb *= alpha_div; -# ifdef USE_SSS - sssAlbedo.rgb *= alpha_div; -# endif -# endif -} - -# endif /* MESH_SHADER */ - -#endif /* VOLUMETRICS */ diff --git a/source/blender/draw/engines/eevee/shaders/bsdf_lut_frag.glsl b/source/blender/draw/engines/eevee/shaders/bsdf_lut_frag.glsl index f05b3396428..2b2da884fde 100644 --- a/source/blender/draw/engines/eevee/shaders/bsdf_lut_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/bsdf_lut_frag.glsl @@ -1,3 +1,4 @@ +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) out vec4 FragColor; @@ -5,8 +6,8 @@ void main() { vec3 N, T, B, V; - float NV = (1.0 - (clamp(gl_FragCoord.y / BRDF_LUT_SIZE, 1e-4, 0.9999))); - float sqrtRoughness = clamp(gl_FragCoord.x / BRDF_LUT_SIZE, 1e-4, 0.9999); + float NV = (1.0 - (clamp(gl_FragCoord.y / b, 1e-4, 0.9999))); + float sqrtRoughness = clamp(gl_FragCoord.x / LUT_SIZE, 1e-4, 0.9999); float a = sqrtRoughness * sqrtRoughness; float a2 = a * a; diff --git a/source/blender/draw/engines/eevee/shaders/bsdf_sampling_lib.glsl b/source/blender/draw/engines/eevee/shaders/bsdf_sampling_lib.glsl index 5f2b719095e..066ea58e2bf 100644 --- a/source/blender/draw/engines/eevee/shaders/bsdf_sampling_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/bsdf_sampling_lib.glsl @@ -1,6 +1,7 @@ +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) + uniform sampler1D texHammersley; -uniform sampler2D texJitter; uniform float sampleCount; uniform float invSampleCount; @@ -8,8 +9,7 @@ vec2 jitternoise = vec2(0.0); #ifndef UTIL_TEX # define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) + #endif /* UTIL_TEX */ void setup_noise(void) @@ -17,6 +17,11 @@ void setup_noise(void) jitternoise = texelfetch_noise_tex(gl_FragCoord.xy).rg; /* Global variable */ } +vec3 tangent_to_world(vec3 vector, vec3 N, vec3 T, vec3 B) +{ + return T * vector.x + B * vector.y + N * vector.z; +} + #ifdef HAMMERSLEY_SIZE vec3 hammersley_3d(float i, float invsamplenbr) { diff --git a/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl b/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl index 1389a9763c0..d815d9d4e6b 100644 --- a/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl @@ -1,3 +1,4 @@ +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) uniform float a2; @@ -7,8 +8,8 @@ void main() { vec3 N, T, B, V; - float x = gl_FragCoord.x / BRDF_LUT_SIZE; - float y = gl_FragCoord.y / BRDF_LUT_SIZE; + float x = gl_FragCoord.x / LUT_SIZE; + float y = gl_FragCoord.y / LUT_SIZE; /* There is little variation if ior > 1.0 so we * maximize LUT precision for ior < 1.0 */ x = x * 1.1; diff --git a/source/blender/draw/engines/eevee/shaders/closure_lib.glsl b/source/blender/draw/engines/eevee/shaders/closure_lib.glsl new file mode 100644 index 00000000000..0be638f3cbb --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/closure_lib.glsl @@ -0,0 +1,181 @@ + +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(renderpass_lib.glsl) + +#ifndef VOLUMETRICS + +uniform int outputSsrId = 1; +uniform int outputSssId = 1; + +#endif + +struct Closure { +#ifdef VOLUMETRICS + vec3 absorption; + vec3 scatter; + vec3 emission; + float anisotropy; + +#else /* SURFACE */ + vec3 radiance; + vec3 transmittance; + float holdout; + vec4 ssr_data; + vec2 ssr_normal; + int flag; +# ifdef USE_SSS + vec3 sss_irradiance; + vec3 sss_albedo; + float sss_radius; +# endif + +#endif +}; + +/* Prototype */ +Closure nodetree_exec(void); + +/* clang-format off */ +/* Avoid multiline defines. */ +#ifdef VOLUMETRICS +# define CLOSURE_DEFAULT Closure(vec3(0), vec3(0), vec3(0), 0.0) +#elif !defined(USE_SSS) +# define CLOSURE_DEFAULT Closure(vec3(0), vec3(0), 0.0, vec4(0), vec2(0), 0) +#else +# define CLOSURE_DEFAULT Closure(vec3(0), vec3(0), 0.0, vec4(0), vec2(0), 0, vec3(0), vec3(0), 0.0) +#endif +/* clang-format on */ + +#define FLAG_TEST(flag, val) (((flag) & (val)) != 0) + +#define CLOSURE_SSR_FLAG 1 +#define CLOSURE_SSS_FLAG 2 +#define CLOSURE_HOLDOUT_FLAG 4 + +#ifdef VOLUMETRICS +Closure closure_mix(Closure cl1, Closure cl2, float fac) +{ + Closure cl; + cl.absorption = mix(cl1.absorption, cl2.absorption, fac); + cl.scatter = mix(cl1.scatter, cl2.scatter, fac); + cl.emission = mix(cl1.emission, cl2.emission, fac); + cl.anisotropy = mix(cl1.anisotropy, cl2.anisotropy, fac); + return cl; +} + +Closure closure_add(Closure cl1, Closure cl2) +{ + Closure cl; + cl.absorption = cl1.absorption + cl2.absorption; + cl.scatter = cl1.scatter + cl2.scatter; + cl.emission = cl1.emission + cl2.emission; + cl.anisotropy = (cl1.anisotropy + cl2.anisotropy) / 2.0; /* Average phase (no multi lobe) */ + return cl; +} + +Closure closure_emission(vec3 rgb) +{ + Closure cl = CLOSURE_DEFAULT; + cl.emission = rgb; + return cl; +} + +#else /* SURFACE */ + +Closure closure_mix(Closure cl1, Closure cl2, float fac) +{ + Closure cl; + cl.holdout = mix(cl1.holdout, cl2.holdout, fac); + + if (FLAG_TEST(cl1.flag, CLOSURE_HOLDOUT_FLAG)) { + fac = 1.0; + } + else if (FLAG_TEST(cl2.flag, CLOSURE_HOLDOUT_FLAG)) { + fac = 0.0; + } + + cl.transmittance = mix(cl1.transmittance, cl2.transmittance, fac); + cl.radiance = mix(cl1.radiance, cl2.radiance, fac); + cl.flag = cl1.flag | cl2.flag; + cl.ssr_data = mix(cl1.ssr_data, cl2.ssr_data, fac); + bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); + /* When mixing SSR don't blend roughness and normals but only specular (ssr_data.xyz).*/ + cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; + cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; + +# ifdef USE_SSS + cl.sss_albedo = mix(cl1.sss_albedo, cl2.sss_albedo, fac); + bool use_cl1_sss = FLAG_TEST(cl1.flag, CLOSURE_SSS_FLAG); + /* It also does not make sense to mix SSS radius or irradiance. */ + cl.sss_radius = (use_cl1_sss) ? cl1.sss_radius : cl2.sss_radius; + cl.sss_irradiance = (use_cl1_sss) ? cl1.sss_irradiance : cl2.sss_irradiance; +# endif + return cl; +} + +Closure closure_add(Closure cl1, Closure cl2) +{ + Closure cl; + cl.transmittance = cl1.transmittance + cl2.transmittance; + cl.radiance = cl1.radiance + cl2.radiance; + cl.holdout = cl1.holdout + cl2.holdout; + cl.flag = cl1.flag | cl2.flag; + cl.ssr_data = cl1.ssr_data + cl2.ssr_data; + bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); + /* When mixing SSR don't blend roughness and normals.*/ + cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; + cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; + +# ifdef USE_SSS + cl.sss_albedo = cl1.sss_albedo + cl2.sss_albedo; + bool use_cl1_sss = FLAG_TEST(cl1.flag, CLOSURE_SSS_FLAG); + /* It also does not make sense to mix SSS radius or irradiance. */ + cl.sss_radius = (use_cl1_sss) ? cl1.sss_radius : cl2.sss_radius; + cl.sss_irradiance = (use_cl1_sss) ? cl1.sss_irradiance : cl2.sss_irradiance; +# endif + return cl; +} + +Closure closure_emission(vec3 rgb) +{ + Closure cl = CLOSURE_DEFAULT; + cl.radiance = rgb; + return cl; +} + +#endif + +#ifndef VOLUMETRICS + +void closure_load_ssr_data( + vec3 ssr_spec, float roughness, vec3 N, vec3 viewVec, int ssr_id, inout Closure cl) +{ + /* Still encode to avoid artifacts in the SSR pass. */ + vec3 vN = normalize(mat3(ViewMatrix) * N); + cl.ssr_normal = normal_encode(vN, viewVec); + + if (ssr_id == outputSsrId) { + cl.ssr_data = vec4(ssr_spec, roughness); + cl.flag |= CLOSURE_SSR_FLAG; + } +} + +void closure_load_sss_data( + float radius, vec3 sss_irradiance, vec3 sss_albedo, int sss_id, inout Closure cl) +{ +# ifdef USE_SSS + if (sss_id == outputSssId) { + cl.sss_irradiance = sss_irradiance; + cl.sss_radius = radius; + cl.sss_albedo = sss_albedo; + cl.flag |= CLOSURE_SSS_FLAG; + cl.radiance += render_pass_diffuse_mask(sss_albedo, vec3(0)); + } + else +# endif + { + cl.radiance += render_pass_diffuse_mask(sss_albedo, sss_irradiance * sss_albedo); + } +} + +#endif
\ No newline at end of file diff --git a/source/blender/draw/engines/eevee/shaders/lit_surface_frag.glsl b/source/blender/draw/engines/eevee/shaders/closure_lit_lib.glsl index bc7879763c3..bf33caf9854 100644 --- a/source/blender/draw/engines/eevee/shaders/lit_surface_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/closure_lit_lib.glsl @@ -1,32 +1,8 @@ -#ifndef LIT_SURFACE_UNIFORM -# define LIT_SURFACE_UNIFORM - -uniform float refractionDepth; - -# ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -# endif /* UTIL_TEX */ - -in vec3 worldPosition; -in vec3 viewPosition; - -in vec3 worldNormal; -in vec3 viewNormal; - -# ifdef HAIR_SHADER -in vec3 hairTangent; /* world space */ -in float hairThickTime; -in float hairThickness; -in float hairTime; -flat in int hairStrandID; - -uniform int hairThicknessRes = 1; -# endif - -#endif /* LIT_SURFACE_UNIFORM */ +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(lightprobe_lib.glsl) +#pragma BLENDER_REQUIRE(ambient_occlusion_lib.glsl) +#pragma BLENDER_REQUIRE(ssr_lib.glsl) /** * AUTO CONFIG @@ -209,7 +185,7 @@ void CLOSURE_NAME(vec3 N vec3 V = cameraVec; - vec4 rand = texelFetch(utilTex, ivec3(ivec2(gl_FragCoord.xy) % LUT_SIZE, 2.0), 0); + vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy); /* ---------------------------------------------------------------- */ /* -------------------- SCENE LIGHTS LIGHTING --------------------- */ @@ -328,11 +304,11 @@ void CLOSURE_NAME(vec3 N # endif # ifdef CLOSURE_GLOSSY - vec3 spec_dir = get_specular_reflection_dominant_dir(N, V, roughnessSquared); + vec3 spec_dir = specular_dominant_dir(N, V, roughnessSquared); # endif # ifdef CLOSURE_CLEARCOAT - vec3 C_spec_dir = get_specular_reflection_dominant_dir(C_N, V, C_roughnessSquared); + vec3 C_spec_dir = specular_dominant_dir(C_N, V, C_roughnessSquared); # endif # ifdef CLOSURE_REFRACTION @@ -345,7 +321,7 @@ void CLOSURE_NAME(vec3 N line_plane_intersect( worldPosition, refr_V, worldPosition - N * refractionDepth, N) : worldPosition; - vec3 refr_dir = get_specular_refraction_dominant_dir(N, refr_V, roughness, final_ior); + vec3 refr_dir = refraction_dominant_dir(N, refr_V, roughness, final_ior); # endif # ifdef CLOSURE_REFRACTION @@ -485,7 +461,7 @@ void CLOSURE_NAME(vec3 N # endif # ifdef CLOSURE_REFRACTION - float btdf = get_btdf_lut(utilTex, NV, roughness, ior); + float btdf = get_btdf_lut(NV, roughness, ior); out_refr += refr_accum.rgb * btdf; # endif diff --git a/source/blender/draw/engines/eevee/shaders/common_uniforms_lib.glsl b/source/blender/draw/engines/eevee/shaders/common_uniforms_lib.glsl index 759b4098b37..7068b256111 100644 --- a/source/blender/draw/engines/eevee/shaders/common_uniforms_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/common_uniforms_lib.glsl @@ -70,3 +70,9 @@ layout(std140) uniform common_block #define ssrQuality ssrParameters.x #define ssrThickness ssrParameters.y #define ssrPixelSize ssrParameters.zw + +vec2 mip_ratio_interp(float mip) +{ + float low_mip = floor(mip); + return mix(mipRatio[int(low_mip)], mipRatio[int(low_mip + 1.0)], mip - low_mip); +} diff --git a/source/blender/draw/engines/eevee/shaders/common_utiltex_lib.glsl b/source/blender/draw/engines/eevee/shaders/common_utiltex_lib.glsl new file mode 100644 index 00000000000..7e959026987 --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/common_utiltex_lib.glsl @@ -0,0 +1,65 @@ + +#pragma BLENDER_REQUIRE(bsdf_common_lib.glsl) + +/* ---------------------------------------------------------------------- */ +/** \name Utiltex + * + * Utiltex is a sampler2DArray that stores a number of useful small utilitary textures and lookup + * tables. + * \{ */ + +uniform sampler2DArray utilTex; + +#define LUT_SIZE 64 + +#define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) + +/* Return texture coordinates to sample Surface LUT */ +vec2 lut_coords(float cosTheta, float roughness) +{ + float theta = acos(cosTheta); + vec2 coords = vec2(roughness, theta / M_PI_2); + + /* scale and bias coordinates, for correct filtered lookup */ + return coords * (LUT_SIZE - 1.0) / LUT_SIZE + 0.5 / LUT_SIZE; +} + +vec2 lut_coords_ltc(float cosTheta, float roughness) +{ + vec2 coords = vec2(roughness, sqrt(1.0 - cosTheta)); + + /* scale and bias coordinates, for correct filtered lookup */ + return coords * (LUT_SIZE - 1.0) / LUT_SIZE + 0.5 / LUT_SIZE; +} + +float get_btdf_lut(float NV, float roughness, float ior) +{ + const vec3 lut_scale_bias_texel_size = vec3((LUT_SIZE - 1.0), 0.5, 1.5) / LUT_SIZE; + + vec3 coords; + /* Try to compensate for the low resolution and interpolation error. */ + coords.x = (ior > 1.0) ? (0.9 + lut_scale_bias_texel_size.z) + + (0.1 - lut_scale_bias_texel_size.z) * f0_from_ior(ior) : + (0.9 + lut_scale_bias_texel_size.z) * ior * ior; + coords.y = 1.0 - saturate(NV); + coords.xy *= lut_scale_bias_texel_size.x; + coords.xy += lut_scale_bias_texel_size.y; + + const float lut_lvl_ofs = 4.0; /* First texture lvl of roughness. */ + const float lut_lvl_scale = 16.0; /* How many lvl of roughness in the lut. */ + + float mip = roughness * lut_lvl_scale; + float mip_floor = floor(mip); + + coords.z = lut_lvl_ofs + mip_floor + 1.0; + float btdf_high = textureLod(utilTex, coords, 0.0).r; + + coords.z -= 1.0; + float btdf_low = textureLod(utilTex, coords, 0.0).r; + + float btdf = (ior == 1.0) ? 1.0 : mix(btdf_low, btdf_high, mip - coords.z); + + return btdf; +} + +/** \} */
\ No newline at end of file diff --git a/source/blender/draw/engines/eevee/shaders/default_frag.glsl b/source/blender/draw/engines/eevee/shaders/default_frag.glsl deleted file mode 100644 index 1014b25033a..00000000000 --- a/source/blender/draw/engines/eevee/shaders/default_frag.glsl +++ /dev/null @@ -1,51 +0,0 @@ - -uniform vec3 basecol; -uniform float metallic; -uniform float specular; -uniform float roughness; - -Closure nodetree_exec(void) -{ -#ifdef HAIR_SHADER - vec3 B = normalize(cross(worldNormal, hairTangent)); - float cos_theta; - if (hairThicknessRes == 1) { - vec4 rand = texelFetch(utilTex, ivec3(ivec2(gl_FragCoord.xy) % LUT_SIZE, 2.0), 0); - /* Random cosine normal distribution on the hair surface. */ - cos_theta = rand.x * 2.0 - 1.0; - } - else { - /* Shade as a cylinder. */ - cos_theta = hairThickTime / hairThickness; - } - float sin_theta = sqrt(max(0.0, 1.0f - cos_theta * cos_theta)); - vec3 N = normalize(worldNormal * sin_theta + B * cos_theta); - vec3 vN = mat3(ViewMatrix) * N; -#else - vec3 N = normalize(gl_FrontFacing ? worldNormal : -worldNormal); - vec3 vN = normalize(gl_FrontFacing ? viewNormal : -viewNormal); -#endif - - vec3 dielectric = vec3(0.034) * specular * 2.0; - vec3 albedo = mix(basecol, vec3(0.0), metallic); - vec3 f0 = mix(dielectric, basecol, metallic); - vec3 f90 = mix(vec3(1.0), f0, (1.0 - specular) * metallic); - vec3 out_diff, out_spec, ssr_spec; - eevee_closure_default(N, albedo, f0, f90, 1, roughness, 1.0, true, out_diff, out_spec, ssr_spec); - - Closure cl = CLOSURE_DEFAULT; - cl.radiance = render_pass_glossy_mask(vec3(1.0), out_spec) + - render_pass_diffuse_mask(albedo, out_diff * albedo); - closure_load_ssr_data(ssr_spec, roughness, N, viewCameraVec, 1, cl); - -#ifdef LOOKDEV - gl_FragDepth = 0.0; -#endif - -#ifdef HOLDOUT - cl = CLOSURE_DEFAULT; - cl.holdout = 1.0; -#endif - - return cl; -} diff --git a/source/blender/draw/engines/eevee/shaders/default_world_frag.glsl b/source/blender/draw/engines/eevee/shaders/default_world_frag.glsl index 8c876cf582c..86f5b403952 100644 --- a/source/blender/draw/engines/eevee/shaders/default_world_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/default_world_frag.glsl @@ -1,4 +1,9 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(lightprobe_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) + uniform float backgroundAlpha; uniform vec3 color; @@ -10,11 +15,6 @@ uniform mat3 StudioLightMatrix; uniform sampler2D image; uniform float studioLightIntensity = 1.0; uniform float studioLightBlur = 0.0; -in vec3 viewPosition; - -# ifndef M_PI -# define M_PI 3.14159265358979323846 -# endif vec3 background_transform_to_world(vec3 viewvec) { diff --git a/source/blender/draw/engines/eevee/shaders/effect_dof_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_dof_frag.glsl index d56890769a7..9c1ca17f87c 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_dof_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_dof_frag.glsl @@ -1,4 +1,8 @@ + +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + uniform sampler2D colorBuffer; uniform sampler2D depthBuffer; @@ -18,9 +22,6 @@ uniform vec4 bokehParams[2]; uniform vec2 nearFar; /* Near & far view depths values */ -#define M_PI 3.1415926535897932384626433832795 -#define M_2PI 6.2831853071795864769252868 - /* -------------- Utils ------------- */ /* divide by sensor size to get the normalized size */ @@ -34,11 +35,6 @@ uniform vec2 nearFar; /* Near & far view depths values */ #define weighted_sum(a, b, c, d, e) \ (a * e.x + b * e.y + c * e.z + d * e.w) / max(1e-6, dot(e, vec4(1.0))); -float max_v4(vec4 v) -{ - return max(max(v.x, v.y), max(v.z, v.w)); -} - vec4 safe_color(vec4 c) { /* Clamp to avoid black square artifacts if a pixel goes NaN. */ diff --git a/source/blender/draw/engines/eevee/shaders/effect_dof_vert.glsl b/source/blender/draw/engines/eevee/shaders/effect_dof_vert.glsl index d83b410125a..6e35d4a54ae 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_dof_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_dof_vert.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + uniform vec4 bokehParams[2]; #define bokeh_rotation bokehParams[0].x @@ -15,8 +17,6 @@ flat out float smoothFac; flat out ivec2 edge; out vec2 particlecoord; -#define M_PI 3.1415926535897932384626433832795 - /* Scatter pass, calculate a triangle covering the CoC. */ void main() { diff --git a/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl index eea0ce0aae2..47fe21928b3 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl @@ -1,14 +1,34 @@ + +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(ambient_occlusion_lib.glsl) + /** * This shader only compute maximum horizon angles for each directions. * The final integration is done at the resolve stage with the shading normal. */ -uniform float rotationOffset; - out vec4 FragColor; -#ifdef DEBUG_AO uniform sampler2D normalBuffer; +#ifdef LAYERED_DEPTH +uniform sampler2DArray depthBufferLayered; +uniform int layer; +# define gtao_depthBuffer depthBufferLayered +# define gtao_textureLod(a, b, c) textureLod(a, vec3(b, layer), c) + +#else +uniform sampler2D depthBuffer; +# define gtao_depthBuffer depthBuffer +# define gtao_textureLod(a, b, c) textureLod(a, b, c) + +#endif + +uniform float rotationOffset; + +#ifdef DEBUG_AO void main() { @@ -34,18 +54,6 @@ void main() #else -# ifdef LAYERED_DEPTH -uniform sampler2DArray depthBufferLayered; -uniform int layer; -# define gtao_depthBuffer depthBufferLayered -# define gtao_textureLod(a, b, c) textureLod(a, vec3(b, layer), c) - -# else -# define gtao_depthBuffer depthBuffer -# define gtao_textureLod(a, b, c) textureLod(a, b, c) - -# endif - void main() { vec2 uvs = saturate(gl_FragCoord.xy / vec2(textureSize(gtao_depthBuffer, 0).xy)); diff --git a/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl index fbf507a2e40..3501a4448c5 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) + /* * Based on: * A Fast and Stable Feature-Aware Motion Blur Filter @@ -15,11 +17,6 @@ uniform sampler2D tileMaxBuffer; #define KERNEL 8 -/* TODO(fclem) deduplicate this code. */ -uniform sampler2DArray utilTex; -#define LUT_SIZE 64 -#define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) - uniform float depthScale; uniform ivec2 tileBufferSize; uniform vec2 viewportSize; diff --git a/source/blender/draw/engines/eevee/shaders/effect_ssr_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_ssr_frag.glsl index 598cc3e5183..f8dccb7511a 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_ssr_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_ssr_frag.glsl @@ -1,4 +1,11 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(raytrace_lib.glsl) +#pragma BLENDER_REQUIRE(lightprobe_lib.glsl) +#pragma BLENDER_REQUIRE(ssr_lib.glsl) + /* Based on Stochastic Screen Space Reflections * https://www.ea.com/frostbite/news/stochastic-screen-space-reflections */ @@ -131,7 +138,7 @@ void main() return; } - vec4 rand = texelFetch(utilTex, ivec3(halfres_texel % LUT_SIZE, 2), 0); + vec4 rand = texelfetch_noise_tex(halfres_texel); /* Gives *perfect* reflection for very small roughness */ if (roughness < 0.04) { diff --git a/source/blender/draw/engines/eevee/shaders/effect_subsurface_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_subsurface_frag.glsl index e9da49c9eb9..2a53a4f119f 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_subsurface_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_subsurface_frag.glsl @@ -1,4 +1,9 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(common_uniforms_lib.glsl) + /* Based on Separable SSS. by Jorge Jimenez and Diego Gutierrez */ #define MAX_SSS_SAMPLES 65 @@ -14,36 +19,16 @@ uniform sampler2D sssIrradiance; uniform sampler2D sssRadius; uniform sampler2D sssAlbedo; -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - layout(location = 0) out vec4 sssRadiance; -float get_view_z_from_depth(float depth) -{ - if (ProjectionMatrix[3][3] == 0.0) { - float d = 2.0 * depth - 1.0; - return -ProjectionMatrix[3][2] / (d + ProjectionMatrix[2][2]); - } - else { - return viewVecs[0].z + depth * viewVecs[1].z; - } -} - -#define LUT_SIZE 64 -#define M_PI_2 1.5707963267948966 /* pi/2 */ -#define M_2PI 6.2831853071795865 /* 2*pi */ - void main(void) { vec2 pixel_size = 1.0 / vec2(textureSize(depthBuffer, 0).xy); /* TODO precompute */ vec2 uvs = gl_FragCoord.xy * pixel_size; vec3 sss_irradiance = texture(sssIrradiance, uvs).rgb; float sss_radius = texture(sssRadius, uvs).r; - float depth_view = get_view_z_from_depth(texture(depthBuffer, uvs).r); + float depth = texture(depthBuffer, uvs).r; + float depth_view = get_view_z_from_depth(depth); float rand = texelfetch_noise_tex(gl_FragCoord.xy).r; #ifdef FIRST_PASS diff --git a/source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl b/source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl index b44645174bd..28947e971d2 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl @@ -1,5 +1,11 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + +uniform sampler2D colorBuffer; +uniform sampler2D depthBuffer; uniform sampler2D colorHistoryBuffer; + uniform mat4 prevViewProjectionMatrix; out vec4 FragColor; diff --git a/source/blender/draw/engines/eevee/shaders/effect_translucency_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_translucency_frag.glsl index 6531ceb8dbe..c85eff92e37 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_translucency_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_translucency_frag.glsl @@ -1,11 +1,16 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(lights_lib.glsl) + in vec4 uvcoordsvar; out vec4 FragColor; +uniform sampler2D depthBuffer; uniform sampler1D sssTexProfile; uniform sampler2D sssRadius; - uniform sampler2DArray sssShadowCubes; uniform sampler2DArray sssShadowCascades; @@ -27,12 +32,6 @@ vec3 sss_profile(float s) return texture(sssTexProfile, saturate(s) * SSS_LUT_SCALE + SSS_LUT_BIAS).rgb; } -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - float light_translucent_power_with_falloff(LightData ld, vec3 N, vec4 l_vector) { float power, falloff; diff --git a/source/blender/draw/engines/eevee/shaders/effect_velocity_resolve_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_velocity_resolve_frag.glsl index d927fd78d30..145939cefb2 100644 --- a/source/blender/draw/engines/eevee/shaders/effect_velocity_resolve_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/effect_velocity_resolve_frag.glsl @@ -1,4 +1,8 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + +uniform sampler2D depthBuffer; + uniform mat4 prevViewProjMatrix; uniform mat4 currViewProjMatrixInv; uniform mat4 nextViewProjMatrix; diff --git a/source/blender/draw/engines/eevee/shaders/irradiance_lib.glsl b/source/blender/draw/engines/eevee/shaders/irradiance_lib.glsl index 64ea87001f4..2274bf8b950 100644 --- a/source/blender/draw/engines/eevee/shaders/irradiance_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/irradiance_lib.glsl @@ -1,18 +1,71 @@ -uniform sampler2DArray irradianceGrid; +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_uniforms_lib.glsl) +#pragma BLENDER_REQUIRE(octahedron_lib.glsl) #define IRRADIANCE_LIB +/* ---------------------------------------------------------------------- */ +/** \name Structure + * \{ */ + #if defined(IRRADIANCE_SH_L2) struct IrradianceData { vec3 shcoefs[9]; }; + #else /* defined(IRRADIANCE_HL2) */ struct IrradianceData { vec3 cubesides[3]; }; + #endif +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Resources + * \{ */ + +uniform sampler2DArray irradianceGrid; + +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Functions + * \{ */ + +vec4 irradiance_encode(vec3 rgb) +{ + float maxRGB = max_v3(rgb); + float fexp = ceil(log2(maxRGB)); + return vec4(rgb / exp2(fexp), (fexp + 128.0) / 255.0); +} + +vec3 irradiance_decode(vec4 data) +{ + float fexp = data.a * 255.0 - 128.0; + return data.rgb * exp2(fexp); +} + +vec4 visibility_encode(vec2 accum, float range) +{ + accum /= range; + + vec4 data; + data.x = fract(accum.x); + data.y = floor(accum.x) / 255.0; + data.z = fract(accum.y); + data.w = floor(accum.y) / 255.0; + + return data; +} + +vec2 visibility_decode(vec4 data, float range) +{ + return (data.xz + data.yw * 255.0) * range; +} + IrradianceData load_irradiance_cell(int cell, vec3 N) { /* Keep in sync with diffuse_filter_probe() */ @@ -155,3 +208,5 @@ vec3 irradiance_from_cell_get(int cell, vec3 ir_dir) IrradianceData ir_data = load_irradiance_cell(cell, ir_dir); return compute_irradiance(ir_dir, ir_data); } + +/** \} */ diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl index 96fe94fc41e..a12069dc57b 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl @@ -1,4 +1,7 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(cubemap_lib.glsl) + flat in int pid; in vec2 quadCoord; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_vert.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_vert.glsl index db780714091..d06ad553ca4 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_vert.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + /* XXX TODO fix code duplication */ struct CubeData { vec4 position_type; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_diffuse_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_diffuse_frag.glsl index b485511318b..bf45169ebaa 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_diffuse_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_diffuse_frag.glsl @@ -1,4 +1,8 @@ +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(irradiance_lib.glsl) + uniform samplerCube probeHdr; uniform int probeSize; uniform float lodFactor; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl index 00eb3c7e200..ccb77427ed2 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl @@ -1,4 +1,7 @@ +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) + uniform samplerCube probeHdr; uniform float roughnessSquared; uniform float texelSize; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_visibility_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_visibility_frag.glsl index 5d8af21032a..8d7c58a93d5 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_filter_visibility_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_filter_visibility_frag.glsl @@ -1,4 +1,8 @@ +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) +#pragma BLENDER_REQUIRE(irradiance_lib.glsl) + uniform samplerCube probeDepth; uniform int outputSize; uniform float lodFactor; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_grid_display_vert.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_grid_display_vert.glsl index 4e500db827e..6fefe1319bd 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_grid_display_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_grid_display_vert.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + uniform float sphere_size; uniform int offset; uniform ivec3 grid_resolution; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_lib.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_lib.glsl index 6c6db88139b..a2e25b83532 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_lib.glsl @@ -1,3 +1,12 @@ + +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(common_uniforms_lib.glsl) +#pragma BLENDER_REQUIRE(cubemap_lib.glsl) +#pragma BLENDER_REQUIRE(ambient_occlusion_lib.glsl) +#pragma BLENDER_REQUIRE(irradiance_lib.glsl) + /* ----------- Uniforms --------- */ uniform sampler2DArray probePlanars; @@ -73,12 +82,6 @@ struct GridData { # define MAX_PLANAR 1 #endif -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - layout(std140) uniform probe_block { CubeData probes_data[MAX_PROBE]; @@ -218,7 +221,7 @@ void fallback_cubemap(vec3 N, inout vec4 spec_accum) { /* Specular probes */ - vec3 spec_dir = get_specular_reflection_dominant_dir(N, V, roughnessSquared); + vec3 spec_dir = specular_dominant_dir(N, V, roughnessSquared); #ifdef SSR_AO vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy); @@ -246,7 +249,6 @@ void fallback_cubemap(vec3 N, } } -#ifdef IRRADIANCE_LIB vec3 probe_evaluate_grid(GridData gd, vec3 W, vec3 N, vec3 localpos) { localpos = localpos * 0.5 + 0.5; @@ -308,5 +310,3 @@ vec3 probe_evaluate_world_diff(vec3 N) { return irradiance_from_cell_get(0, N); } - -#endif /* IRRADIANCE_LIB */ diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl index 2807488db6c..0a53abcb04a 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + uniform sampler2DArray probePlanars; in vec3 worldPosition; diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl index 65506e5c7b1..6759c060259 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + in vec3 pos; in int probe_id; diff --git a/source/blender/draw/engines/eevee/shaders/lights_lib.glsl b/source/blender/draw/engines/eevee/shaders/lights_lib.glsl index 3b9d0a8f2bc..949e4d8f04f 100644 --- a/source/blender/draw/engines/eevee/shaders/lights_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/lights_lib.glsl @@ -1,8 +1,76 @@ -uniform sampler2DArrayShadow shadowCubeTexture; -uniform sampler2DArrayShadow shadowCascadeTexture; +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(raytrace_lib.glsl) +#pragma BLENDER_REQUIRE(ltc_lib.glsl) + +#ifndef MAX_CASCADE_NUM +# define MAX_CASCADE_NUM 4 +#endif + +/* ---------------------------------------------------------------------- */ +/** \name Structure + * \{ */ + +struct LightData { + vec4 position_influence; /* w : InfluenceRadius (inversed and squared) */ + vec4 color_spec; /* w : Spec Intensity */ + vec4 spotdata_radius_shadow; /* x : spot size, y : spot blend, z : radius, w: shadow id */ + vec4 rightvec_sizex; /* xyz: Normalized up vector, w: area size X or spot scale X */ + vec4 upvec_sizey; /* xyz: Normalized right vector, w: area size Y or spot scale Y */ + vec4 forwardvec_type; /* xyz: Normalized forward vector, w: Light Type */ +}; + +/* convenience aliases */ +#define l_color color_spec.rgb +#define l_spec color_spec.a +#define l_position position_influence.xyz +#define l_influence position_influence.w +#define l_sizex rightvec_sizex.w +#define l_sizey upvec_sizey.w +#define l_right rightvec_sizex.xyz +#define l_up upvec_sizey.xyz +#define l_forward forwardvec_type.xyz +#define l_type forwardvec_type.w +#define l_spot_size spotdata_radius_shadow.x +#define l_spot_blend spotdata_radius_shadow.y +#define l_radius spotdata_radius_shadow.z +#define l_shadowid spotdata_radius_shadow.w + +struct ShadowData { + vec4 near_far_bias_id; + vec4 contact_shadow_data; +}; + +struct ShadowCubeData { + mat4 shadowmat; + vec4 position; +}; + +struct ShadowCascadeData { + mat4 shadowmat[MAX_CASCADE_NUM]; + vec4 split_start_distances; + vec4 split_end_distances; + vec4 shadow_vec_id; +}; + +/* convenience aliases */ +#define sh_near near_far_bias_id.x +#define sh_far near_far_bias_id.y +#define sh_bias near_far_bias_id.z +#define sh_data_index near_far_bias_id.w +#define sh_contact_dist contact_shadow_data.x +#define sh_contact_offset contact_shadow_data.y +#define sh_contact_spread contact_shadow_data.z +#define sh_contact_thickness contact_shadow_data.w +#define sh_shadow_vec shadow_vec_id.xyz +#define sh_tex_index shadow_vec_id.w + +/** \} */ -#define LAMPS_LIB +/* ---------------------------------------------------------------------- */ +/** \name Resources + * \{ */ layout(std140) uniform shadow_block { @@ -16,6 +84,15 @@ layout(std140) uniform light_block LightData lights_data[MAX_LIGHT]; }; +uniform sampler2DArrayShadow shadowCubeTexture; +uniform sampler2DArrayShadow shadowCascadeTexture; + +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Shadow Functions + * \{ */ + /* type */ #define POINT 0.0 #define SUN 1.0 @@ -133,9 +210,11 @@ float sample_cascade_shadow(int shadow_id, vec3 W) #undef scube #undef scsmd -/* ----------------------------------------------------------- */ -/* --------------------- Light Functions --------------------- */ -/* ----------------------------------------------------------- */ +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Light Functions + * \{ */ /* From Frostbite PBR Course * Distance based attenuation @@ -258,7 +337,6 @@ float light_visibility(LightData ld, l_atten); } -#ifdef USE_LTC float light_diffuse(LightData ld, vec3 N, vec3 V, vec4 l_vector) { if (ld.l_type == AREA_RECT) { @@ -321,4 +399,5 @@ float light_specular(LightData ld, vec4 ltc_mat, vec3 N, vec3 V, vec4 l_vector) return ltc_evaluate_disk(N, V, ltc_matrix(ltc_mat), points); } } -#endif + +/** \} */ diff --git a/source/blender/draw/engines/eevee/shaders/ltc_lib.glsl b/source/blender/draw/engines/eevee/shaders/ltc_lib.glsl index dbfc7ad5a71..2750d42a74a 100644 --- a/source/blender/draw/engines/eevee/shaders/ltc_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/ltc_lib.glsl @@ -8,12 +8,6 @@ #define USE_LTC -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - /* Diffuse *clipped* sphere integral. */ float diffuse_sphere_integral(float avg_dir_z, float form_factor) { diff --git a/source/blender/draw/engines/eevee/shaders/object_motion_vert.glsl b/source/blender/draw/engines/eevee/shaders/object_motion_vert.glsl index 95cd69ba310..ef96bcbaedb 100644 --- a/source/blender/draw/engines/eevee/shaders/object_motion_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/object_motion_vert.glsl @@ -1,4 +1,7 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) + uniform mat4 currModelMatrix; uniform mat4 prevModelMatrix; uniform mat4 nextModelMatrix; @@ -19,6 +22,8 @@ out vec3 nextWorldPos; void main() { + GPU_INTEL_VERTEX_SHADER_WORKAROUND + #ifdef HAIR bool is_persp = (ProjectionMatrix[3][3] == 0.0); float time, thick_time, thickness; diff --git a/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl b/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl index 9acd8f998f6..abfb5908d82 100644 --- a/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl @@ -1,4 +1,13 @@ +/* Required by some nodes. */ +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) + +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_uniforms_lib.glsl) +#pragma BLENDER_REQUIRE(closure_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) + #ifdef USE_ALPHA_HASH /* From the paper "Hashed Alpha Testing" by Chris Wyman and Morgan McGuire */ @@ -56,8 +65,6 @@ float hashed_alpha_threshold(vec3 co) #endif -#define NODETREE_EXEC - void main() { #if defined(USE_ALPHA_HASH) diff --git a/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl b/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl index 2c7e0aca3fb..f650e2eeb8c 100644 --- a/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl @@ -1,16 +1,14 @@ +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + #ifndef HAIR_SHADER in vec3 pos; #endif void main() { -#ifdef GPU_INTEL - /* Due to some shader compiler bug, we somewhat - * need to access gl_VertexID to make it work. even - * if it's actually dead code. */ - gl_Position.x = float(gl_VertexID); -#endif + GPU_INTEL_VERTEX_SHADER_WORKAROUND #ifdef HAIR_SHADER float time, thick_time, thickness; @@ -34,5 +32,4 @@ void main() #ifdef CLIP_PLANES gl_ClipDistance[0] = dot(vec4(worldPosition.xyz, 1.0), clipPlanes[0]); #endif - /* TODO motion vectors */ } diff --git a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl index f88cfdf3787..39db39f8756 100644 --- a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl @@ -1,3 +1,11 @@ + +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_uniforms_lib.glsl) + +uniform sampler2D maxzBuffer; +uniform sampler2DArray planarDepth; + #define MAX_STEP 256 float sample_depth(vec2 uv, int index, float lod) diff --git a/source/blender/draw/engines/eevee/shaders/renderpass_lib.glsl b/source/blender/draw/engines/eevee/shaders/renderpass_lib.glsl new file mode 100644 index 00000000000..36cf3cecf40 --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/renderpass_lib.glsl @@ -0,0 +1,43 @@ + +/* ---------------------------------------------------------------------- */ +/** \name Resources + * \{ */ + +layout(std140) uniform renderpass_block +{ + bool renderPassDiffuse; + bool renderPassDiffuseLight; + bool renderPassGlossy; + bool renderPassGlossyLight; + bool renderPassEmit; + bool renderPassSSSColor; + bool renderPassEnvironment; +}; + +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Functions + * \{ */ + +vec3 render_pass_diffuse_mask(vec3 diffuse_color, vec3 diffuse_light) +{ + return renderPassDiffuse ? (renderPassDiffuseLight ? diffuse_light : diffuse_color) : vec3(0.0); +} + +vec3 render_pass_sss_mask(vec3 sss_color) +{ + return renderPassSSSColor ? sss_color : vec3(0.0); +} + +vec3 render_pass_glossy_mask(vec3 specular_color, vec3 specular_light) +{ + return renderPassGlossy ? (renderPassGlossyLight ? specular_light : specular_color) : vec3(0.0); +} + +vec3 render_pass_emission_mask(vec3 emission_light) +{ + return renderPassEmit ? emission_light : vec3(0.0); +} + +/** \} */ diff --git a/source/blender/draw/engines/eevee/shaders/renderpass_postprocess_frag.glsl b/source/blender/draw/engines/eevee/shaders/renderpass_postprocess_frag.glsl index 361963d5ac3..89a411bc7cb 100644 --- a/source/blender/draw/engines/eevee/shaders/renderpass_postprocess_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/renderpass_postprocess_frag.glsl @@ -1,3 +1,7 @@ + +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) + #define PASS_POST_UNDEFINED 0 #define PASS_POST_ACCUMULATED_COLOR 1 #define PASS_POST_ACCUMULATED_LIGHT 2 @@ -9,6 +13,8 @@ uniform int postProcessType; uniform int currentSample; + +uniform sampler2D depthBuffer; uniform sampler2D inputBuffer; uniform sampler2D inputSecondLightBuffer; uniform sampler2D inputColorBuffer; diff --git a/source/blender/draw/engines/eevee/shaders/shadow_accum_frag.glsl b/source/blender/draw/engines/eevee/shaders/shadow_accum_frag.glsl index 860ec9e1727..e0b9d4a60db 100644 --- a/source/blender/draw/engines/eevee/shaders/shadow_accum_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/shadow_accum_frag.glsl @@ -1,11 +1,11 @@ -out vec4 fragColor; +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) +#pragma BLENDER_REQUIRE(lights_lib.glsl) + +uniform sampler2D depthBuffer; -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ +out vec4 fragColor; void main() { diff --git a/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl b/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl index c42f905cf7e..03954358196 100644 --- a/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl @@ -1,30 +1,14 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) + in vec3 pos; in vec3 nor; -#ifdef MESH_SHADER -out vec3 worldPosition; -out vec3 viewPosition; -out vec3 worldNormal; -out vec3 viewNormal; -#endif - -#ifdef HAIR_SHADER -out vec3 hairTangent; -out float hairThickTime; -out float hairThickness; -out float hairTime; -flat out int hairStrandID; -#endif - void main() { -#ifdef GPU_INTEL - /* Due to some shader compiler bug, we somewhat - * need to access gl_VertexID to make it work. even - * if it's actually dead code. */ - gl_Position.x = float(gl_VertexID); -#endif + GPU_INTEL_VERTEX_SHADER_WORKAROUND #ifdef HAIR_SHADER hairStrandID = hair_get_strand_id(); diff --git a/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl b/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl index 0591b247541..29495e98355 100644 --- a/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl @@ -1,3 +1,10 @@ + +#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) +#pragma BLENDER_REQUIRE(bsdf_common_lib.glsl) +#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl) +#pragma BLENDER_REQUIRE(raytrace_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) + /* ------------ Refraction ------------ */ #define BTDF_BIAS 0.85 diff --git a/source/blender/draw/engines/eevee/shaders/surface_frag.glsl b/source/blender/draw/engines/eevee/shaders/surface_frag.glsl new file mode 100644 index 00000000000..ac6343e5e13 --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/surface_frag.glsl @@ -0,0 +1,88 @@ + +/* Required by some nodes. */ +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) +#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl) + +#pragma BLENDER_REQUIRE(closure_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) +#pragma BLENDER_REQUIRE(volumetric_lib.glsl) + +#ifdef USE_ALPHA_BLEND +/* Use dual source blending to be able to make a whole range of effects. */ +layout(location = 0, index = 0) out vec4 outRadiance; +layout(location = 0, index = 1) out vec4 outTransmittance; + +#else /* OPAQUE */ +layout(location = 0) out vec4 outRadiance; +layout(location = 1) out vec2 ssrNormals; +layout(location = 2) out vec4 ssrData; +# ifdef USE_SSS +layout(location = 3) out vec3 sssIrradiance; +layout(location = 4) out float sssRadius; +layout(location = 5) out vec3 sssAlbedo; +# endif + +#endif + +void main() +{ + Closure cl = nodetree_exec(); + + float holdout = saturate(1.0 - cl.holdout); + float transmit = saturate(avg(cl.transmittance)); + float alpha = 1.0 - transmit; + +#ifdef USE_ALPHA_BLEND + vec2 uvs = gl_FragCoord.xy * volCoordScale.zw; + vec3 vol_transmit, vol_scatter; + volumetric_resolve(uvs, gl_FragCoord.z, vol_transmit, vol_scatter); + + /* Removes part of the volume scattering that have + * already been added to the destination pixels. + * Since we do that using the blending pipeline we need to account for material transmittance. */ + vol_scatter -= vol_scatter * cl.transmittance; + + cl.radiance = cl.radiance * holdout * vol_transmit + vol_scatter; + outRadiance = vec4(cl.radiance, alpha * holdout); + outTransmittance = vec4(cl.transmittance, transmit) * holdout; +#else + outRadiance = vec4(cl.radiance, holdout); + ssrNormals = cl.ssr_normal; + ssrData = cl.ssr_data; +# ifdef USE_SSS + sssIrradiance = cl.sss_irradiance; + sssRadius = cl.sss_radius; + sssAlbedo = cl.sss_albedo; +# endif +#endif + + /* For Probe capture */ +#ifdef USE_SSS + float fac = float(!sssToggle); + + /* TODO(fclem) we shouldn't need this. + * Just disable USE_SSS when USE_REFRACTION is enabled. */ +# ifdef USE_REFRACTION + /* SSRefraction pass is done after the SSS pass. + * In order to not loose the diffuse light totally we + * need to merge the SSS radiance to the main radiance. */ + fac = 1.0; +# endif + + outRadiance.rgb += cl.sss_irradiance.rgb * cl.sss_albedo.rgb * fac; +#endif + +#ifndef USE_ALPHA_BLEND + float alpha_div = 1.0 / max(1e-8, alpha); + outRadiance.rgb *= alpha_div; + ssrData.rgb *= alpha_div; +# ifdef USE_SSS + sssAlbedo.rgb *= alpha_div; +# endif +#endif + +#ifdef LOOKDEV + /* Lookdev spheres are rendered in front. */ + gl_FragDepth = 0.0; +#endif +} diff --git a/source/blender/draw/engines/eevee/shaders/surface_lib.glsl b/source/blender/draw/engines/eevee/shaders/surface_lib.glsl new file mode 100644 index 00000000000..638ddf0dc4c --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/surface_lib.glsl @@ -0,0 +1,24 @@ +/** This describe the entire interface of the shader. */ + +/* Samplers */ +uniform sampler2D colorBuffer; +uniform sampler2D depthBuffer; + +/* Uniforms */ +uniform float refractionDepth; + +IN_OUT ShaderStageInterface +{ + vec3 worldPosition; + vec3 viewPosition; + vec3 worldNormal; + vec3 viewNormal; + +#ifdef HAIR_SHADER + vec3 hairTangent; /* world space */ + float hairThickTime; + float hairThickness; + float hairTime; + flat int hairStrandID; +#endif +}; diff --git a/source/blender/draw/engines/eevee/shaders/lit_surface_vert.glsl b/source/blender/draw/engines/eevee/shaders/surface_vert.glsl index 1b94fc2bee1..71d90968213 100644 --- a/source/blender/draw/engines/eevee/shaders/lit_surface_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/surface_vert.glsl @@ -1,32 +1,16 @@ +#pragma BLENDER_REQUIRE(common_hair_lib.glsl) +#pragma BLENDER_REQUIRE(common_view_lib.glsl) +#pragma BLENDER_REQUIRE(surface_lib.glsl) + #ifndef HAIR_SHADER in vec3 pos; in vec3 nor; #endif -#ifdef MESH_SHADER -out vec3 worldPosition; -out vec3 viewPosition; -out vec3 worldNormal; -out vec3 viewNormal; -#endif - -#ifdef HAIR_SHADER -out vec3 hairTangent; -out float hairThickTime; -out float hairThickness; -out float hairTime; -flat out int hairStrandID; -#endif - void main() { -#ifdef GPU_INTEL - /* Due to some shader compiler bug, we somewhat - * need to access gl_VertexID to make it work. even - * if it's actually dead code. */ - gl_Position.x = float(gl_VertexID); -#endif + GPU_INTEL_VERTEX_SHADER_WORKAROUND #ifdef HAIR_SHADER hairStrandID = hair_get_strand_id(); diff --git a/source/blender/draw/engines/eevee/shaders/update_noise_frag.glsl b/source/blender/draw/engines/eevee/shaders/update_noise_frag.glsl index 02ad2170f06..0c01c46c2ba 100644 --- a/source/blender/draw/engines/eevee/shaders/update_noise_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/update_noise_frag.glsl @@ -1,11 +1,11 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + uniform sampler2D blueNoise; uniform vec3 offsets; out vec4 FragColor; -#define M_2PI 6.28318530717958647692 - void main(void) { vec3 blue_noise = texelFetch(blueNoise, ivec2(gl_FragCoord.xy), 0).xyz; diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_frag.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_frag.glsl index 312fc07054a..bac69ab0355 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_frag.glsl @@ -1,9 +1,10 @@ +#pragma BLENDER_REQUIRE(volumetric_lib.glsl) +#pragma BLENDER_REQUIRE(closure_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ -#define NODETREE_EXEC - #ifdef MESH_SHADER uniform vec3 volumeOrcoLoc; uniform vec3 volumeOrcoSize; diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_geom.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_geom.glsl index 96b891c929f..1c1df8bf23b 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_geom.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_geom.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + #ifdef MESH_SHADER /* TODO tight slices */ layout(triangles) in; diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_integration_frag.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_integration_frag.glsl index c3c442e7b69..f4276bd61bd 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_integration_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_integration_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(volumetric_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ @@ -11,9 +13,11 @@ uniform sampler3D volumeExtinction; #ifdef USE_VOLUME_OPTI uniform layout(binding = 0, r11f_g11f_b10f) writeonly restrict image3D finalScattering_img; uniform layout(binding = 1, r11f_g11f_b10f) writeonly restrict image3D finalTransmittance_img; + vec3 finalScattering; vec3 finalTransmittance; #else + flat in int slice; layout(location = 0) out vec3 finalScattering; diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl index 40eb3da42d1..9b852a57ec4 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl @@ -1,4 +1,8 @@ +#pragma BLENDER_REQUIRE(lights_lib.glsl) +#pragma BLENDER_REQUIRE(lightprobe_lib.glsl) +#pragma BLENDER_REQUIRE(irradiance_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ @@ -58,7 +62,6 @@ float phase_function(vec3 v, vec3 l, float g) return (1 - sqr_g) / max(1e-8, 4.0 * M_PI * pow(1 + sqr_g - 2 * g * cos_theta, 3.0 / 2.0)); } -#ifdef LAMPS_LIB vec3 light_volume(LightData ld, vec4 l_vector) { float power; @@ -95,7 +98,7 @@ vec3 light_volume(LightData ld, vec4 l_vector) return tint * lum; } -# define VOLUMETRIC_SHADOW_MAX_STEP 32.0 +#define VOLUMETRIC_SHADOW_MAX_STEP 32.0 vec3 participating_media_extinction(vec3 wpos, sampler3D volume_extinction) { @@ -109,7 +112,7 @@ vec3 participating_media_extinction(vec3 wpos, sampler3D volume_extinction) vec3 light_volume_shadow(LightData ld, vec3 ray_wpos, vec4 l_vector, sampler3D volume_extinction) { -# if defined(VOLUME_SHADOW) +#if defined(VOLUME_SHADOW) /* Heterogeneous volume shadows */ float dd = l_vector.w / volShadowSteps; vec3 L = l_vector.xyz * l_vector.w; @@ -120,27 +123,24 @@ vec3 light_volume_shadow(LightData ld, vec3 ray_wpos, vec4 l_vector, sampler3D v shadow *= exp(-s_extinction * dd); } return shadow; -# else +#else return vec3(1.0); -# endif /* VOLUME_SHADOW */ +#endif /* VOLUME_SHADOW */ } -#endif -#ifdef IRRADIANCE_LIB vec3 irradiance_volumetric(vec3 wpos) { -# ifdef IRRADIANCE_HL2 +#ifdef IRRADIANCE_HL2 IrradianceData ir_data = load_irradiance_cell(0, vec3(1.0)); vec3 irradiance = ir_data.cubesides[0] + ir_data.cubesides[1] + ir_data.cubesides[2]; ir_data = load_irradiance_cell(0, vec3(-1.0)); irradiance += ir_data.cubesides[0] + ir_data.cubesides[1] + ir_data.cubesides[2]; irradiance *= 0.16666666; /* 1/6 */ return irradiance; -# else +#else return vec3(0.0); -# endif -} #endif +} uniform sampler3D inScattering; uniform sampler3D inTransmittance; diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_resolve_frag.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_resolve_frag.glsl index 1ff7e848c40..6ab21587c9a 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_resolve_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_resolve_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(volumetric_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_scatter_frag.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_scatter_frag.glsl index 9621fa1cc0d..806f1b5b205 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_scatter_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_scatter_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(volumetric_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_vert.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_vert.glsl index b96360febb0..9587c688e4f 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_vert.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_view_lib.glsl) + out vec4 vPos; void main() diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl index 1e75f6dd5bb..7ec40aed26c 100644 --- a/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl +++ b/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl @@ -137,12 +137,6 @@ void blend_mode_output( } } -#ifdef GPU_VERTEX_SHADER -# define IN_OUT out -#else -# define IN_OUT in -#endif - /* Shader interface. */ IN_OUT vec4 finalColorMul; IN_OUT vec4 finalColorAdd; diff --git a/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl b/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl index 0d01f67c6ea..2989e07691f 100644 --- a/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl +++ b/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl @@ -1,4 +1,6 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + uniform sampler2D colorTex; uniform sampler2D depthTex; uniform sampler2D lineTex; diff --git a/source/blender/draw/engines/overlay/shaders/armature_sphere_solid_frag.glsl b/source/blender/draw/engines/overlay/shaders/armature_sphere_solid_frag.glsl index 380708795e9..0925901a9c9 100644 --- a/source/blender/draw/engines/overlay/shaders/armature_sphere_solid_frag.glsl +++ b/source/blender/draw/engines/overlay/shaders/armature_sphere_solid_frag.glsl @@ -14,19 +14,6 @@ layout(depth_greater) out float gl_FragDepth; layout(location = 0) out vec4 fragColor; layout(location = 1) out vec4 lineOutput; -#define cameraPos ViewMatrixInverse[3].xyz - -float get_depth_from_view_z(float z) -{ - if (ProjectionMatrix[3][3] == 0.0) { - z = (-ProjectionMatrix[3][2] / z) - ProjectionMatrix[2][2]; - } - else { - z = z * ProjectionMatrix[2][2] / (1.0 - ProjectionMatrix[3][2]); - } - return z * 0.5 + 0.5; -} - void main() { const float sphere_radius = 0.05; diff --git a/source/blender/draw/engines/overlay/shaders/grid_frag.glsl b/source/blender/draw/engines/overlay/shaders/grid_frag.glsl index 317e9fe0447..d0b68df0625 100644 --- a/source/blender/draw/engines/overlay/shaders/grid_frag.glsl +++ b/source/blender/draw/engines/overlay/shaders/grid_frag.glsl @@ -14,8 +14,6 @@ uniform float meshSize; uniform float lineKernel = 0.0; uniform sampler2D depthBuffer; -#define cameraPos (ViewMatrixInverse[3].xyz) - uniform int gridFlag; #define STEPS_LEN 8 diff --git a/source/blender/draw/engines/overlay/shaders/grid_vert.glsl b/source/blender/draw/engines/overlay/shaders/grid_vert.glsl index 496bb011c74..dd0e771ad93 100644 --- a/source/blender/draw/engines/overlay/shaders/grid_vert.glsl +++ b/source/blender/draw/engines/overlay/shaders/grid_vert.glsl @@ -7,8 +7,6 @@ uniform float meshSize; uniform int gridFlag; -#define cameraPos (ViewMatrixInverse[3].xyz) - #define PLANE_XY (1 << 4) #define PLANE_XZ (1 << 5) #define PLANE_YZ (1 << 6) diff --git a/source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl b/source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl index 51007a9f246..71816f6ff6e 100644 --- a/source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl +++ b/source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl @@ -1,3 +1,6 @@ + +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + /** * Separable Hexagonal Bokeh Blur by Colin Barré-Brisebois * https://colinbarrebrisebois.com/2017/04/18/hexagonal-bokeh-blur-revisited-part-1-basic-3-pass-version/ @@ -21,13 +24,6 @@ uniform sampler2D noiseTex; #define dof_distance dofParams.y #define dof_invsensorsize dofParams.z -#define M_PI 3.1415926535897932 /* pi */ - -float max_v4(vec4 v) -{ - return max(max(v.x, v.y), max(v.z, v.w)); -} - #define weighted_sum(a, b, c, d, e, e_sum) \ ((a)*e.x + (b)*e.y + (c)*e.z + (d)*e.w) / max(1e-6, e_sum); diff --git a/source/blender/draw/engines/workbench/shaders/workbench_shader_interface_lib.glsl b/source/blender/draw/engines/workbench/shaders/workbench_shader_interface_lib.glsl index 8e2f7ba4735..6bfa351aeb0 100644 --- a/source/blender/draw/engines/workbench/shaders/workbench_shader_interface_lib.glsl +++ b/source/blender/draw/engines/workbench/shaders/workbench_shader_interface_lib.glsl @@ -1,10 +1,4 @@ -#ifdef GPU_VERTEX_SHADER -# define IN_OUT out -#else -# define IN_OUT in -#endif - IN_OUT ShaderStageInterface { vec3 normal_interp; diff --git a/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl b/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl index 2920a504062..610b5f69e58 100644 --- a/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl +++ b/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl @@ -1,4 +1,5 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) #pragma BLENDER_REQUIRE(common_view_lib.glsl) #pragma BLENDER_REQUIRE(gpu_shader_common_obinfos_lib.glsl) #pragma BLENDER_REQUIRE(workbench_data_lib.glsl) @@ -33,11 +34,6 @@ float phase_function_isotropic() return 1.0 / (4.0 * M_PI); } -float max_v3(vec3 v) -{ - return max(v.x, max(v.y, v.z)); -} - float line_unit_box_intersect_dist(vec3 lineorigin, vec3 linedirection) { /* https://seblagarde.wordpress.com/2012/09/29/image-based-lighting-approaches-and-parallax-corrected-cubemap/ diff --git a/source/blender/draw/engines/workbench/workbench_shader.c b/source/blender/draw/engines/workbench/workbench_shader.c index 99366779b22..2b64f84f654 100644 --- a/source/blender/draw/engines/workbench/workbench_shader.c +++ b/source/blender/draw/engines/workbench/workbench_shader.c @@ -28,6 +28,8 @@ #include "workbench_engine.h" #include "workbench_private.h" +extern char datatoc_common_math_lib_glsl[]; +extern char datatoc_common_math_geom_lib_glsl[]; extern char datatoc_common_hair_lib_glsl[]; extern char datatoc_common_view_lib_glsl[]; extern char datatoc_common_smaa_lib_glsl[]; @@ -117,6 +119,8 @@ void workbench_shader_library_ensure(void) if (e_data.lib == NULL) { e_data.lib = DRW_shader_library_create(); /* NOTE: Theses needs to be ordered by dependencies. */ + DRW_SHADER_LIB_ADD(e_data.lib, common_math_lib); + DRW_SHADER_LIB_ADD(e_data.lib, common_math_geom_lib); DRW_SHADER_LIB_ADD(e_data.lib, common_hair_lib); DRW_SHADER_LIB_ADD(e_data.lib, common_view_lib); DRW_SHADER_LIB_ADD(e_data.lib, gpu_shader_common_obinfos_lib); diff --git a/source/blender/draw/intern/DRW_render.h b/source/blender/draw/intern/DRW_render.h index 555043ab408..d356dec4555 100644 --- a/source/blender/draw/intern/DRW_render.h +++ b/source/blender/draw/intern/DRW_render.h @@ -204,6 +204,11 @@ struct GPUShader *DRW_shader_create(const char *vert, const char *defines); struct GPUShader *DRW_shader_create_with_lib( const char *vert, const char *geom, const char *frag, const char *lib, const char *defines); +struct GPUShader *DRW_shader_create_with_shaderlib(const char *vert, + const char *geom, + const char *frag, + const DRWShaderLibrary *lib, + const char *defines); struct GPUShader *DRW_shader_create_with_transform_feedback(const char *vert, const char *geom, const char *defines, @@ -211,6 +216,9 @@ struct GPUShader *DRW_shader_create_with_transform_feedback(const char *vert, const char **varying_names, const int varying_count); struct GPUShader *DRW_shader_create_fullscreen(const char *frag, const char *defines); +struct GPUShader *DRW_shader_create_fullscreen_with_shaderlib(const char *frag, + const DRWShaderLibrary *lib, + const char *defines); struct GPUMaterial *DRW_shader_find_from_world(struct World *wo, const void *engine_type, const int options, @@ -257,7 +265,8 @@ void DRW_shader_library_add_file(DRWShaderLibrary *lib, char *lib_code, const ch #define DRW_SHADER_LIB_ADD(lib, lib_name) \ DRW_shader_library_add_file(lib, datatoc_##lib_name##_glsl, STRINGIFY(lib_name) ".glsl") -char *DRW_shader_library_create_shader_string(DRWShaderLibrary *lib, char *shader_code); +char *DRW_shader_library_create_shader_string(const DRWShaderLibrary *lib, + const char *shader_code); void DRW_shader_library_free(DRWShaderLibrary *lib); #define DRW_SHADER_LIB_FREE_SAFE(lib) \ diff --git a/source/blender/draw/intern/draw_manager.h b/source/blender/draw/intern/draw_manager.h index 31a2dd7f0fe..5d3d404ab8f 100644 --- a/source/blender/draw/intern/draw_manager.h +++ b/source/blender/draw/intern/draw_manager.h @@ -380,6 +380,7 @@ typedef struct DRWViewUboStorage { float wininv[4][4]; float clipplanes[6][4]; + float viewvecs[2][4]; /* Should not be here. Not view dependent (only main view). */ float viewcamtexcofac[4]; } DRWViewUboStorage; diff --git a/source/blender/draw/intern/draw_manager_shader.c b/source/blender/draw/intern/draw_manager_shader.c index 6304b707cb9..486cbb2397c 100644 --- a/source/blender/draw/intern/draw_manager_shader.c +++ b/source/blender/draw/intern/draw_manager_shader.c @@ -325,6 +325,26 @@ GPUShader *DRW_shader_create_with_lib( return sh; } +GPUShader *DRW_shader_create_with_shaderlib(const char *vert, + const char *geom, + const char *frag, + const DRWShaderLibrary *lib, + const char *defines) +{ + GPUShader *sh; + char *vert_with_lib = DRW_shader_library_create_shader_string(lib, vert); + char *frag_with_lib = DRW_shader_library_create_shader_string(lib, frag); + char *geom_with_lib = (geom) ? DRW_shader_library_create_shader_string(lib, geom) : NULL; + + sh = GPU_shader_create(vert_with_lib, frag_with_lib, geom_with_lib, NULL, defines, __func__); + + MEM_SAFE_FREE(vert_with_lib); + MEM_SAFE_FREE(frag_with_lib); + MEM_SAFE_FREE(geom_with_lib); + + return sh; +} + GPUShader *DRW_shader_create_with_transform_feedback(const char *vert, const char *geom, const char *defines, @@ -349,6 +369,22 @@ GPUShader *DRW_shader_create_fullscreen(const char *frag, const char *defines) datatoc_common_fullscreen_vert_glsl, frag, NULL, NULL, defines, __func__); } +GPUShader *DRW_shader_create_fullscreen_with_shaderlib(const char *frag, + const DRWShaderLibrary *lib, + const char *defines) +{ + + GPUShader *sh; + char *vert = datatoc_common_fullscreen_vert_glsl; + char *frag_with_lib = DRW_shader_library_create_shader_string(lib, frag); + + sh = GPU_shader_create(vert, frag_with_lib, NULL, NULL, defines, __func__); + + MEM_SAFE_FREE(frag_with_lib); + + return sh; +} + GPUMaterial *DRW_shader_find_from_world(World *wo, const void *engine_type, const int options, @@ -502,7 +538,7 @@ void DRW_shader_library_free(DRWShaderLibrary *lib) MEM_SAFE_FREE(lib); } -static int drw_shader_library_search(DRWShaderLibrary *lib, const char *name) +static int drw_shader_library_search(const DRWShaderLibrary *lib, const char *name) { for (int i = 0; i < MAX_LIB; i++) { if (lib->libs[i]) { @@ -518,18 +554,28 @@ static int drw_shader_library_search(DRWShaderLibrary *lib, const char *name) } /* Return bitmap of dependencies. */ -static uint32_t drw_shader_dependencies_get(DRWShaderLibrary *lib, char *lib_code) +static uint32_t drw_shader_dependencies_get(const DRWShaderLibrary *lib, const char *lib_code) { /* Search dependencies. */ uint32_t deps = 0; - char *haystack = lib_code; + const char *haystack = lib_code; while ((haystack = strstr(haystack, "BLENDER_REQUIRE("))) { haystack += 16; int dep = drw_shader_library_search(lib, haystack); if (dep == -1) { + char dbg_name[32]; + int i = 0; + while ((haystack[0] != ')') && (i < 31)) { + dbg_name[i] = haystack[0]; + haystack++; + i++; + } + dbg_name[i + 1] = '\0'; + printf( - "Error: Dependency not found.\n" - "This might be due to bad lib ordering.\n"); + "Error: Dependency not found: %s\n" + "This might be due to bad lib ordering.\n", + dbg_name); BLI_assert(0); } else { @@ -562,7 +608,7 @@ void DRW_shader_library_add_file(DRWShaderLibrary *lib, char *lib_code, const ch /* Return an allocN'ed string containing the shader code with its dependencies prepended. * Caller must free the string with MEM_freeN after use. */ -char *DRW_shader_library_create_shader_string(DRWShaderLibrary *lib, char *shader_code) +char *DRW_shader_library_create_shader_string(const DRWShaderLibrary *lib, const char *shader_code) { uint32_t deps = drw_shader_dependencies_get(lib, shader_code); diff --git a/source/blender/draw/intern/shaders/common_hair_lib.glsl b/source/blender/draw/intern/shaders/common_hair_lib.glsl index ffff631e34b..c7c7481d919 100644 --- a/source/blender/draw/intern/shaders/common_hair_lib.glsl +++ b/source/blender/draw/intern/shaders/common_hair_lib.glsl @@ -95,7 +95,7 @@ void hair_get_interp_attrs( * For final drawing, the vertex index and the number of vertex per segment */ -#ifndef HAIR_PHASE_SUBDIV +#if !defined(HAIR_PHASE_SUBDIV) && defined(GPU_VERTEX_SHADER) int hair_get_strand_id(void) { return gl_VertexID / (hairStrandsRes * hairThicknessRes); diff --git a/source/blender/draw/intern/shaders/common_math_geom_lib.glsl b/source/blender/draw/intern/shaders/common_math_geom_lib.glsl new file mode 100644 index 00000000000..e337376d7c4 --- /dev/null +++ b/source/blender/draw/intern/shaders/common_math_geom_lib.glsl @@ -0,0 +1,119 @@ + +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + +/* ---------------------------------------------------------------------- */ +/** \name Math intersection & projection functions. + * \{ */ + +float point_plane_projection_dist(vec3 lineorigin, vec3 planeorigin, vec3 planenormal) +{ + return dot(planenormal, planeorigin - lineorigin); +} + +float line_plane_intersect_dist(vec3 lineorigin, + vec3 linedirection, + vec3 planeorigin, + vec3 planenormal) +{ + return dot(planenormal, planeorigin - lineorigin) / dot(planenormal, linedirection); +} + +float line_plane_intersect_dist(vec3 lineorigin, vec3 linedirection, vec4 plane) +{ + vec3 plane_co = plane.xyz * (-plane.w / len_squared(plane.xyz)); + vec3 h = lineorigin - plane_co; + return -dot(plane.xyz, h) / dot(plane.xyz, linedirection); +} + +vec3 line_plane_intersect(vec3 lineorigin, vec3 linedirection, vec3 planeorigin, vec3 planenormal) +{ + float dist = line_plane_intersect_dist(lineorigin, linedirection, planeorigin, planenormal); + return lineorigin + linedirection * dist; +} + +vec3 line_plane_intersect(vec3 lineorigin, vec3 linedirection, vec4 plane) +{ + float dist = line_plane_intersect_dist(lineorigin, linedirection, plane); + return lineorigin + linedirection * dist; +} + +float line_aligned_plane_intersect_dist(vec3 lineorigin, vec3 linedirection, vec3 planeorigin) +{ + /* aligned plane normal */ + vec3 L = planeorigin - lineorigin; + float diskdist = length(L); + vec3 planenormal = -normalize(L); + return -diskdist / dot(planenormal, linedirection); +} + +vec3 line_aligned_plane_intersect(vec3 lineorigin, vec3 linedirection, vec3 planeorigin) +{ + float dist = line_aligned_plane_intersect_dist(lineorigin, linedirection, planeorigin); + if (dist < 0) { + /* if intersection is behind we fake the intersection to be + * really far and (hopefully) not inside the radius of interest */ + dist = 1e16; + } + return lineorigin + linedirection * dist; +} + +float line_unit_sphere_intersect_dist(vec3 lineorigin, vec3 linedirection) +{ + float a = dot(linedirection, linedirection); + float b = dot(linedirection, lineorigin); + float c = dot(lineorigin, lineorigin) - 1; + + float dist = 1e15; + float determinant = b * b - a * c; + if (determinant >= 0) { + dist = (sqrt(determinant) - b) / a; + } + + return dist; +} + +float line_unit_box_intersect_dist(vec3 lineorigin, vec3 linedirection) +{ + /* https://seblagarde.wordpress.com/2012/09/29/image-based-lighting-approaches-and-parallax-corrected-cubemap/ + */ + vec3 firstplane = (vec3(1.0) - lineorigin) / linedirection; + vec3 secondplane = (vec3(-1.0) - lineorigin) / linedirection; + vec3 furthestplane = max(firstplane, secondplane); + + return min_v3(furthestplane); +} + +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Other useful functions. + * \{ */ + +void make_orthonormal_basis(vec3 N, out vec3 T, out vec3 B) +{ + vec3 UpVector = abs(N.z) < 0.99999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); + T = normalize(cross(UpVector, N)); + B = cross(N, T); +} + +/* ---- Encode / Decode Normal buffer data ---- */ +/* From http://aras-p.info/texts/CompactNormalStorage.html + * Using Method #4: Spheremap Transform */ +vec2 normal_encode(vec3 n, vec3 view) +{ + float p = sqrt(n.z * 8.0 + 8.0); + return n.xy / p + 0.5; +} + +vec3 normal_decode(vec2 enc, vec3 view) +{ + vec2 fenc = enc * 4.0 - 2.0; + float f = dot(fenc, fenc); + float g = sqrt(1.0 - f / 4.0); + vec3 n; + n.xy = fenc * g; + n.z = 1 - f / 2; + return n; +} + +/** \} */
\ No newline at end of file diff --git a/source/blender/draw/intern/shaders/common_math_lib.glsl b/source/blender/draw/intern/shaders/common_math_lib.glsl new file mode 100644 index 00000000000..a82e0b5a5e9 --- /dev/null +++ b/source/blender/draw/intern/shaders/common_math_lib.glsl @@ -0,0 +1,130 @@ + +/* ---------------------------------------------------------------------- */ +/** \name Common Math Utilities + * \{ */ + +#define M_PI 3.14159265358979323846 /* pi */ +#define M_2PI 6.28318530717958647692 /* 2*pi */ +#define M_PI_2 1.57079632679489661923 /* pi/2 */ +#define M_1_PI 0.318309886183790671538 /* 1/pi */ +#define M_1_2PI 0.159154943091895335768 /* 1/(2*pi) */ +#define M_1_PI2 0.101321183642337771443 /* 1/(pi^2) */ +#define FLT_MAX 3.402823e+38 + +vec3 mul(mat3 m, vec3 v) +{ + return m * v; +} +mat3 mul(mat3 m1, mat3 m2) +{ + return m1 * m2; +} +vec3 transform_direction(mat4 m, vec3 v) +{ + return mat3(m) * v; +} +vec3 transform_point(mat4 m, vec3 v) +{ + return (m * vec4(v, 1.0)).xyz; +} +vec3 project_point(mat4 m, vec3 v) +{ + vec4 tmp = m * vec4(v, 1.0); + return tmp.xyz / tmp.w; +} + +#define min3(a, b, c) min(a, min(b, c)) +#define min4(a, b, c, d) min(a, min3(b, c, d)) +#define min5(a, b, c, d, e) min(a, min4(b, c, d, e)) +#define min6(a, b, c, d, e, f) min(a, min5(b, c, d, e, f)) +#define min7(a, b, c, d, e, f, g) min(a, min6(b, c, d, e, f, g)) +#define min8(a, b, c, d, e, f, g, h) min(a, min7(b, c, d, e, f, g, h)) +#define min9(a, b, c, d, e, f, g, h, i) min(a, min8(b, c, d, e, f, g, h, i)) + +#define max3(a, b, c) max(a, max(b, c)) +#define max4(a, b, c, d) max(a, max3(b, c, d)) +#define max5(a, b, c, d, e) max(a, max4(b, c, d, e)) +#define max6(a, b, c, d, e, f) max(a, max5(b, c, d, e, f)) +#define max7(a, b, c, d, e, f, g) max(a, max6(b, c, d, e, f, g)) +#define max8(a, b, c, d, e, f, g, h) max(a, max7(b, c, d, e, f, g, h)) +#define max9(a, b, c, d, e, f, g, h, i) max(a, max8(b, c, d, e, f, g, h, i)) + +#define avg3(a, b, c) (a + b + c) * (1.0 / 3.0) +#define avg4(a, b, c, d) (a + b + c + d) * (1.0 / 4.0) +#define avg5(a, b, c, d, e) (a + b + c + d + e) * (1.0 / 5.0) +#define avg6(a, b, c, d, e, f) (a + b + c + d + e + f) * (1.0 / 6.0) +#define avg7(a, b, c, d, e, f, g) (a + b + c + d + e + f + g) * (1.0 / 7.0) +#define avg8(a, b, c, d, e, f, g, h) (a + b + c + d + e + f + g + h) * (1.0 / 8.0) +#define avg9(a, b, c, d, e, f, g, h, i) (a + b + c + d + e + f + g + h + i) * (1.0 / 9.0) + +/* clang-format off */ +float min_v2(vec2 v) { return min(v.x, v.y); } +float min_v3(vec3 v) { return min(v.x, min(v.y, v.z)); } +float min_v4(vec4 v) { return min(min(v.x, v.y), min(v.z, v.w)); } +float max_v2(vec2 v) { return max(v.x, v.y); } +float max_v3(vec3 v) { return max(v.x, max(v.y, v.z)); } +float max_v4(vec4 v) { return max(max(v.x, v.y), max(v.z, v.w)); } + +float sum(vec2 v) { return dot(vec2(1.0), v); } +float sum(vec3 v) { return dot(vec3(1.0), v); } +float sum(vec4 v) { return dot(vec4(1.0), v); } + +float avg(vec2 v) { return dot(vec2(1.0 / 2.0), v); } +float avg(vec3 v) { return dot(vec3(1.0 / 3.0), v); } +float avg(vec4 v) { return dot(vec4(1.0 / 4.0), v); } +/* clang-format on */ + +#define saturate(a) clamp(a, 0.0, 1.0) + +float distance_squared(vec2 a, vec2 b) +{ + a -= b; + return dot(a, a); +} + +float distance_squared(vec3 a, vec3 b) +{ + a -= b; + return dot(a, a); +} + +float len_squared(vec3 a) +{ + return dot(a, a); +} + +/** \} */ + +/* ---------------------------------------------------------------------- */ +/** \name Fast Math + * \{ */ + +/* [Drobot2014a] Low Level Optimizations for GCN */ +float fast_sqrt(float v) +{ + return intBitsToFloat(0x1fbd1df5 + (floatBitsToInt(v) >> 1)); +} + +vec2 fast_sqrt(vec2 v) +{ + return intBitsToFloat(0x1fbd1df5 + (floatBitsToInt(v) >> 1)); +} + +/* [Eberly2014] GPGPU Programming for Games and Science */ +float fast_acos(float v) +{ + float res = -0.156583 * abs(v) + M_PI_2; + res *= fast_sqrt(1.0 - abs(v)); + return (v >= 0) ? res : M_PI - res; +} + +vec2 fast_acos(vec2 v) +{ + vec2 res = -0.156583 * abs(v) + M_PI_2; + res *= fast_sqrt(1.0 - abs(v)); + v.x = (v.x >= 0) ? res.x : M_PI - res.x; + v.y = (v.y >= 0) ? res.y : M_PI - res.y; + return v; +} + +/** \} */ diff --git a/source/blender/draw/intern/shaders/common_view_lib.glsl b/source/blender/draw/intern/shaders/common_view_lib.glsl index 1054f4d11c9..ba24a50bf9f 100644 --- a/source/blender/draw/intern/shaders/common_view_lib.glsl +++ b/source/blender/draw/intern/shaders/common_view_lib.glsl @@ -14,10 +14,24 @@ layout(std140) uniform viewBlock vec4 clipPlanes[6]; + /* View frustum corners [NDC(-1.0, -1.0, -1.0) & NDC(1.0, 1.0, 1.0)]. + * Fourth components are near and far values. */ + vec4 ViewVecs[2]; + /* TODO move it elsewhere. */ vec4 CameraTexCoFactors; }; +#define ViewNear (ViewVecs[0].w) +#define ViewFar (ViewVecs[1].w) + +#define cameraForward ViewMatrixInverse[2].xyz +#define cameraPos ViewMatrixInverse[3].xyz +#define cameraVec \ + ((ProjectionMatrix[3][3] == 0.0) ? normalize(cameraPos - worldPosition) : cameraForward) +#define viewCameraVec \ + ((ProjectionMatrix[3][3] == 0.0) ? normalize(-viewPosition) : vec3(0.0, 0.0, 1.0)) + #ifdef world_clip_planes_calc_clip_distance # undef world_clip_planes_calc_clip_distance # define world_clip_planes_calc_clip_distance(p) \ @@ -194,3 +208,68 @@ uniform mat4 ModelMatrixInverse; #define DRW_BASE_FROM_DUPLI (1 << 2) #define DRW_BASE_FROM_SET (1 << 3) #define DRW_BASE_ACTIVE (1 << 4) + +/* ---- Opengl Depth conversion ---- */ + +float linear_depth(bool is_persp, float z, float zf, float zn) +{ + if (is_persp) { + return (zn * zf) / (z * (zn - zf) + zf); + } + else { + return (z * 2.0 - 1.0) * zf; + } +} + +float buffer_depth(bool is_persp, float z, float zf, float zn) +{ + if (is_persp) { + return (zf * (zn - z)) / (z * (zn - zf)); + } + else { + return (z / (zf * 2.0)) + 0.5; + } +} + +float get_view_z_from_depth(float depth) +{ + if (ProjectionMatrix[3][3] == 0.0) { + float d = 2.0 * depth - 1.0; + return -ProjectionMatrix[3][2] / (d + ProjectionMatrix[2][2]); + } + else { + return ViewVecs[0].z + depth * ViewVecs[1].z; + } +} + +float get_depth_from_view_z(float z) +{ + if (ProjectionMatrix[3][3] == 0.0) { + float d = (-ProjectionMatrix[3][2] / z) - ProjectionMatrix[2][2]; + return d * 0.5 + 0.5; + } + else { + return (z - ViewVecs[0].z) / ViewVecs[1].z; + } +} + +vec2 get_uvs_from_view(vec3 view) +{ + vec4 ndc = ProjectionMatrix * vec4(view, 1.0); + return (ndc.xy / ndc.w) * 0.5 + 0.5; +} + +vec3 get_view_space_from_depth(vec2 uvcoords, float depth) +{ + if (ProjectionMatrix[3][3] == 0.0) { + return vec3(ViewVecs[0].xy + uvcoords * ViewVecs[1].xy, 1.0) * get_view_z_from_depth(depth); + } + else { + return ViewVecs[0].xyz + vec3(uvcoords, depth) * ViewVecs[1].xyz; + } +} + +vec3 get_world_space_from_depth(vec2 uvcoords, float depth) +{ + return (ViewMatrixInverse * vec4(get_view_space_from_depth(uvcoords, depth), 1.0)).xyz; +} diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c index c1e7933d7ba..1da61efaae4 100644 --- a/source/blender/gpu/intern/gpu_codegen.c +++ b/source/blender/gpu/intern/gpu_codegen.c @@ -610,21 +610,6 @@ static char *code_generate_fragment(GPUMaterial *material, GPUNodeGraph *graph) BLI_dynstr_append(ds, "}\n"); - /* XXX This cannot go into gpu_shader_material.glsl because main() - * would be parsed and generate error */ - /* Old glsl mode compat. */ - /* TODO(fclem) This is only used by world shader now. get rid of it? */ - BLI_dynstr_append(ds, "#ifndef NODETREE_EXEC\n"); - BLI_dynstr_append(ds, "out vec4 fragColor;\n"); - BLI_dynstr_append(ds, "void main()\n"); - BLI_dynstr_append(ds, "{\n"); - BLI_dynstr_append(ds, "\tClosure cl = nodetree_exec();\n"); - BLI_dynstr_append(ds, - "\tfragColor = vec4(cl.radiance, " - "saturate(1.0 - avg(cl.transmittance)));\n"); - BLI_dynstr_append(ds, "}\n"); - BLI_dynstr_append(ds, "#endif\n\n"); - /* create shader */ code = BLI_dynstr_get_cstring(ds); BLI_dynstr_free(ds); diff --git a/source/blender/gpu/intern/gpu_shader.c b/source/blender/gpu/intern/gpu_shader.c index 669b073232d..a090f061cdd 100644 --- a/source/blender/gpu/intern/gpu_shader.c +++ b/source/blender/gpu/intern/gpu_shader.c @@ -453,7 +453,9 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, int num_source = 0; source[num_source++] = gpu_shader_version(); - source[num_source++] = "#define GPU_VERTEX_SHADER\n"; + source[num_source++] = + "#define GPU_VERTEX_SHADER\n" + "#define IN_OUT out\n"; source[num_source++] = standard_extensions; source[num_source++] = standard_defines; @@ -484,7 +486,9 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, int num_source = 0; source[num_source++] = gpu_shader_version(); - source[num_source++] = "#define GPU_FRAGMENT_SHADER\n"; + source[num_source++] = + "#define GPU_FRAGMENT_SHADER\n" + "#define IN_OUT in\n"; source[num_source++] = standard_extensions; source[num_source++] = standard_defines; diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_ambient_occlusion.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_ambient_occlusion.glsl index d6d6fbab971..eea8d19efce 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_ambient_occlusion.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_ambient_occlusion.glsl @@ -3,7 +3,7 @@ void node_ambient_occlusion( vec4 color, float distance, vec3 normal, out vec4 result_color, out float result_ao) { vec3 bent_normal; - vec4 rand = texelFetch(utilTex, ivec3(ivec2(gl_FragCoord.xy) % LUT_SIZE, 2.0), 0); + vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy); result_ao = occlusion_compute(normalize(normal), viewPosition, 1.0, rand, bent_normal); result_color = result_ao * color; } diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl index 3b23ac976ae..6330daa4391 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl @@ -1,3 +1,15 @@ + +float wang_hash_noise(uint s) +{ + s = (s ^ 61u) ^ (s >> 16u); + s *= 9u; + s = s ^ (s >> 4u); + s *= 0x27d4eb2du; + s = s ^ (s >> 15u); + + return fract(float(s) / 4294967296.0); +} + void node_hair_info(out float is_strand, out float intercept, out float thickness, diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl index 80ed4e1ef69..8be3c9dd279 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl @@ -1,4 +1,4 @@ -#ifndef VOLUMETRICS +#ifdef CLOSURE_FUNCTIONS vec3 tint_from_color(vec3 color) { float lum = dot(color, vec3(0.3, 0.6, 0.1)); /* luminance approx. */ diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_world_normals.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_world_normals.glsl index f9691beee6f..d33465fa846 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_world_normals.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_world_normals.glsl @@ -6,7 +6,7 @@ void world_normals_get(out vec3 N) vec3 B = normalize(cross(worldNormal, hairTangent)); float cos_theta; if (hairThicknessRes == 1) { - vec4 rand = texelFetch(utilTex, ivec3(ivec2(gl_FragCoord.xy) % LUT_SIZE, 2.0), 0); + vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy); /* Random cosine normal distribution on the hair surface. */ cos_theta = rand.x * 2.0 - 1.0; } |