diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_material.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_material.c | 339 |
1 files changed, 194 insertions, 145 deletions
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c index 49732240125..711a3943a25 100644 --- a/source/blender/gpu/intern/gpu_material.c +++ b/source/blender/gpu/intern/gpu_material.c @@ -16,7 +16,6 @@ #include "DNA_scene_types.h" #include "DNA_world_types.h" -#include "BLI_ghash.h" #include "BLI_listbase.h" #include "BLI_math.h" #include "BLI_string.h" @@ -27,6 +26,7 @@ #include "BKE_material.h" #include "BKE_node.h" #include "BKE_scene.h" +#include "BKE_world.h" #include "NOD_shader.h" @@ -49,56 +49,50 @@ typedef struct GPUColorBandBuilder { } GPUColorBandBuilder; struct GPUMaterial { - Scene *scene; /* DEPRECATED was only useful for lights. */ - Material *ma; - + /* Contains GPUShader and source code for deferred compilation. + * Can be shared between similar material (i.e: sharing same nodetree topology). */ + GPUPass *pass; + /** UBOs for this material parameters. */ + GPUUniformBuf *ubo; + /** Compilation status. Do not use if shader is not GPU_MAT_SUCCESS. */ eGPUMaterialStatus status; - - const void *engine_type; /* attached engine type */ - int options; /* to identify shader variations (shadow, probe, world background...) */ - bool is_volume_shader; /* is volumetric shader */ - - /* Nodes */ + /** Some flags about the nodetree & the needed resources. */ + eGPUMaterialFlag flag; + /* Identify shader variations (shadow, probe, world background...). + * Should be unique even across render engines. */ + uint64_t uuid; + /* Number of generated function. */ + int generated_function_len; + /** Object type for attribute fetching. */ + bool is_volume_shader; + + /** DEPRECATED Currently only used for deferred compilation. */ + Scene *scene; + /** Source material, might be null. */ + Material *ma; + /** 1D Texture array containing all color bands. */ + GPUTexture *coba_tex; + /** Builder for coba_tex. */ + GPUColorBandBuilder *coba_builder; + /* Low level node graph(s). Also contains resources needed by the material. */ GPUNodeGraph graph; - /* for binding the material */ - GPUPass *pass; - - /* XXX: Should be in Material. But it depends on the output node - * used and since the output selection is different for GPUMaterial... - */ - bool has_volume_output; + /** DEPRECATED: To remove. */ bool has_surface_output; - - /* Only used by Eevee to know which BSDF are used. */ - eGPUMatFlag flag; - - /* Used by 2.8 pipeline */ - GPUUniformBuf *ubo; /* UBOs for shader uniforms. */ - - /* Eevee SSS */ + bool has_volume_output; + /** DEPRECATED: To remove. */ GPUUniformBuf *sss_profile; /* UBO containing SSS profile. */ GPUTexture *sss_tex_profile; /* Texture containing SSS profile. */ - float sss_enabled; + bool sss_enabled; float sss_radii[3]; int sss_samples; bool sss_dirty; - GPUTexture *coba_tex; /* 1D Texture array containing all color bands. */ - GPUColorBandBuilder *coba_builder; - - GSet *used_libraries; - #ifndef NDEBUG char name[64]; #endif }; -enum { - GPU_USE_SURFACE_OUTPUT = (1 << 0), - GPU_USE_VOLUME_OUTPUT = (1 << 1), -}; - /* Functions */ GPUTexture **gpu_material_ramp_texture_row_set(GPUMaterial *mat, @@ -159,17 +153,15 @@ static void gpu_material_free_single(GPUMaterial *material) if (material->ubo != NULL) { GPU_uniformbuf_free(material->ubo); } - if (material->sss_tex_profile != NULL) { - GPU_texture_free(material->sss_tex_profile); + if (material->coba_tex != NULL) { + GPU_texture_free(material->coba_tex); } if (material->sss_profile != NULL) { GPU_uniformbuf_free(material->sss_profile); } - if (material->coba_tex != NULL) { - GPU_texture_free(material->coba_tex); + if (material->sss_tex_profile != NULL) { + GPU_texture_free(material->sss_tex_profile); } - - BLI_gset_free(material->used_libraries, NULL); } void GPU_material_free(ListBase *gpumaterial) @@ -217,17 +209,40 @@ void GPU_material_uniform_buffer_create(GPUMaterial *material, ListBase *inputs) material->ubo = GPU_uniformbuf_create_from_list(inputs, name); } +ListBase GPU_material_attributes(GPUMaterial *material) +{ + return material->graph.attributes; +} + +ListBase GPU_material_textures(GPUMaterial *material) +{ + return material->graph.textures; +} + +ListBase GPU_material_volume_grids(GPUMaterial *material) +{ + return material->graph.volume_grids; +} + +GPUUniformAttrList *GPU_material_uniform_attributes(GPUMaterial *material) +{ + GPUUniformAttrList *attrs = &material->graph.uniform_attrs; + return attrs->count > 0 ? attrs : NULL; +} + +#if 1 /* End of life code. */ /* Eevee Subsurface scattering. */ /* Based on Separable SSS. by Jorge Jimenez and Diego Gutierrez */ -#define SSS_SAMPLES 65 -#define SSS_EXPONENT 2.0f /* Importance sampling exponent */ +# define SSS_SAMPLES 65 +# define SSS_EXPONENT 2.0f /* Importance sampling exponent */ typedef struct GPUSssKernelData { float kernel[SSS_SAMPLES][4]; float param[3], max_radius; + float avg_inv_radius; int samples; - int pad[3]; + int pad[2]; } GPUSssKernelData; BLI_STATIC_ASSERT_ALIGN(GPUSssKernelData, 16) @@ -243,8 +258,8 @@ static void sss_calculate_offsets(GPUSssKernelData *kd, int count, float exponen } } -#define BURLEY_TRUNCATE 16.0f -#define BURLEY_TRUNCATE_CDF 0.9963790093708328f // cdf(BURLEY_TRUNCATE) +# define BURLEY_TRUNCATE 16.0f +# define BURLEY_TRUNCATE_CDF 0.9963790093708328f // cdf(BURLEY_TRUNCATE) static float burley_profile(float r, float d) { float exp_r_3_d = expf(-r / (3.0f * d)); @@ -259,7 +274,7 @@ static float eval_profile(float r, float param) } /* Resolution for each sample of the precomputed kernel profile */ -#define INTEGRAL_RESOLUTION 32 +# define INTEGRAL_RESOLUTION 32 static float eval_integral(float x0, float x1, float param) { const float range = x1 - x0; @@ -274,7 +289,7 @@ static float eval_integral(float x0, float x1, float param) return integral; } -#undef INTEGRAL_RESOLUTION +# undef INTEGRAL_RESOLUTION static void compute_sss_kernel(GPUSssKernelData *kd, const float radii[3], int sample_len) { @@ -284,6 +299,8 @@ static void compute_sss_kernel(GPUSssKernelData *kd, const float radii[3], int s rad[1] = MAX2(radii[1], 1e-15f); rad[2] = MAX2(radii[2], 1e-15f); + kd->avg_inv_radius = 3.0f / (rad[0] + rad[1] + rad[2]); + /* Christensen-Burley fitting */ float l[3], d[3]; @@ -358,7 +375,7 @@ static void compute_sss_kernel(GPUSssKernelData *kd, const float radii[3], int s kd->samples = sample_len; } -#define INTEGRAL_RESOLUTION 512 +# define INTEGRAL_RESOLUTION 512 static void compute_sss_translucence_kernel(const GPUSssKernelData *kd, int resolution, float **output) @@ -417,10 +434,14 @@ static void compute_sss_translucence_kernel(const GPUSssKernelData *kd, mul_v3_fl(texels[resolution - 3], 0.5f); mul_v3_fl(texels[resolution - 4], 0.75f); } -#undef INTEGRAL_RESOLUTION +# undef INTEGRAL_RESOLUTION -void GPU_material_sss_profile_create(GPUMaterial *material, float radii[3]) +bool GPU_material_sss_profile_create(GPUMaterial *material, float radii[3]) { + /* Enable only once. */ + if (material->sss_enabled) { + return false; + } copy_v3_v3(material->sss_radii, radii); material->sss_dirty = true; material->sss_enabled = true; @@ -429,6 +450,7 @@ void GPU_material_sss_profile_create(GPUMaterial *material, float radii[3]) if (material->sss_profile == NULL) { material->sss_profile = GPU_uniformbuf_create(sizeof(GPUSssKernelData)); } + return true; } struct GPUUniformBuf *GPU_material_sss_profile_get(GPUMaterial *material, @@ -475,34 +497,37 @@ struct GPUUniformBuf *GPU_material_create_sss_profile_ubo(void) return GPU_uniformbuf_create(sizeof(GPUSssKernelData)); } -#undef SSS_EXPONENT -#undef SSS_SAMPLES - -ListBase GPU_material_attributes(GPUMaterial *material) -{ - return material->graph.attributes; -} +# undef SSS_EXPONENT +# undef SSS_SAMPLES +#endif -ListBase GPU_material_textures(GPUMaterial *material) +void GPU_material_output_surface(GPUMaterial *material, GPUNodeLink *link) { - return material->graph.textures; + if (!material->graph.outlink_surface) { + material->graph.outlink_surface = link; + material->has_surface_output = true; + } } -ListBase GPU_material_volume_grids(GPUMaterial *material) +void GPU_material_output_volume(GPUMaterial *material, GPUNodeLink *link) { - return material->graph.volume_grids; + if (!material->graph.outlink_volume) { + material->graph.outlink_volume = link; + material->has_volume_output = true; + } } -GPUUniformAttrList *GPU_material_uniform_attributes(GPUMaterial *material) +void GPU_material_output_displacement(GPUMaterial *material, GPUNodeLink *link) { - GPUUniformAttrList *attrs = &material->graph.uniform_attrs; - return attrs->count > 0 ? attrs : NULL; + if (!material->graph.outlink_displacement) { + material->graph.outlink_displacement = link; + } } -void GPU_material_output_link(GPUMaterial *material, GPUNodeLink *link) +void GPU_material_output_thickness(GPUMaterial *material, GPUNodeLink *link) { - if (!material->graph.outlink) { - material->graph.outlink = link; + if (!material->graph.outlink_thickness) { + material->graph.outlink_thickness = link; } } @@ -514,23 +539,71 @@ void GPU_material_add_output_link_aov(GPUMaterial *material, GPUNodeLink *link, BLI_addtail(&material->graph.outlink_aovs, aov_link); } +char *GPU_material_split_sub_function(GPUMaterial *material, + eGPUType return_type, + GPUNodeLink **link) +{ + /* Force cast to return type. */ + switch (return_type) { + case GPU_FLOAT: + GPU_link(material, "set_value", *link, link); + break; + case GPU_VEC3: + GPU_link(material, "set_rgb", *link, link); + break; + case GPU_VEC4: + GPU_link(material, "set_rgba", *link, link); + break; + default: + BLI_assert(0); + break; + } + + GPUNodeGraphFunctionLink *func_link = MEM_callocN(sizeof(GPUNodeGraphFunctionLink), __func__); + func_link->outlink = *link; + SNPRINTF(func_link->name, "ntree_fn%d", material->generated_function_len++); + BLI_addtail(&material->graph.material_functions, func_link); + + /* Set value to break the link with the main graph. */ + switch (return_type) { + case GPU_FLOAT: + GPU_link(material, "set_value_one", link); + break; + case GPU_VEC3: + GPU_link(material, "set_rgb_one", link); + break; + case GPU_VEC4: + GPU_link(material, "set_rgba_one", link); + break; + default: + BLI_assert(0); + break; + } + return func_link->name; +} + GPUNodeGraph *gpu_material_node_graph(GPUMaterial *material) { return &material->graph; } -GSet *gpu_material_used_libraries(GPUMaterial *material) +eGPUMaterialStatus GPU_material_status(GPUMaterial *mat) { - return material->used_libraries; + return mat->status; } -eGPUMaterialStatus GPU_material_status(GPUMaterial *mat) +void GPU_material_status_set(GPUMaterial *mat, eGPUMaterialStatus status) { - return mat->status; + mat->status = status; } /* Code generation */ +bool GPU_material_is_volume_shader(GPUMaterial *mat) +{ + return mat->is_volume_shader; +} + bool GPU_material_has_surface_output(GPUMaterial *mat) { return mat->has_surface_output; @@ -541,100 +614,79 @@ bool GPU_material_has_volume_output(GPUMaterial *mat) return mat->has_volume_output; } -bool GPU_material_is_volume_shader(GPUMaterial *mat) +void GPU_material_flag_set(GPUMaterial *mat, eGPUMaterialFlag flag) { - return mat->is_volume_shader; + mat->flag |= flag; } -void GPU_material_flag_set(GPUMaterial *mat, eGPUMatFlag flag) +bool GPU_material_flag_get(const GPUMaterial *mat, eGPUMaterialFlag flag) { - mat->flag |= flag; + return (mat->flag & flag) != 0; } -bool GPU_material_flag_get(GPUMaterial *mat, eGPUMatFlag flag) +eGPUMaterialFlag GPU_material_flag(const GPUMaterial *mat) { - return (mat->flag & flag) != 0; + return mat->flag; } -GPUMaterial *GPU_material_from_nodetree_find(ListBase *gpumaterials, - const void *engine_type, - int options) +/* Note: Consumes the flags. */ +bool GPU_material_recalc_flag_get(GPUMaterial *mat) { - LISTBASE_FOREACH (LinkData *, link, gpumaterials) { - GPUMaterial *current_material = (GPUMaterial *)link->data; - if (current_material->engine_type == engine_type && current_material->options == options) { - return current_material; - } - } + bool updated = (mat->flag & GPU_MATFLAG_UPDATED) != 0; + mat->flag &= ~GPU_MATFLAG_UPDATED; + return updated; +} - return NULL; +uint64_t GPU_material_uuid_get(GPUMaterial *mat) +{ + return mat->uuid; } GPUMaterial *GPU_material_from_nodetree(Scene *scene, - struct Material *ma, - struct bNodeTree *ntree, + Material *ma, + bNodeTree *ntree, ListBase *gpumaterials, - const void *engine_type, - const int options, - const bool is_volume_shader, - const char *vert_code, - const char *geom_code, - const char *frag_lib, - const char *defines, const char *name, - GPUMaterialEvalCallbackFn callback) + uint64_t shader_uuid, + bool is_volume_shader, + bool is_lookdev, + GPUCodegenCallbackFn callback, + void *thunk) { - LinkData *link; - bool has_volume_output, has_surface_output; - - /* Caller must re-use materials. */ - BLI_assert(GPU_material_from_nodetree_find(gpumaterials, engine_type, options) == NULL); - - /* HACK: Eevee assume this to create #GHash keys. */ - BLI_assert(sizeof(GPUPass) > 16); + /* Search if this material is not already compiled. */ + LISTBASE_FOREACH (LinkData *, link, gpumaterials) { + GPUMaterial *mat = (GPUMaterial *)link->data; + if (mat->uuid == shader_uuid) { + return mat; + } + } - /* allocate material */ GPUMaterial *mat = MEM_callocN(sizeof(GPUMaterial), "GPUMaterial"); mat->ma = ma; mat->scene = scene; - mat->engine_type = engine_type; - mat->options = options; + mat->uuid = shader_uuid; + mat->flag = GPU_MATFLAG_UPDATED; mat->is_volume_shader = is_volume_shader; + mat->graph.used_libraries = BLI_gset_new( + BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp, "GPUNodeGraph.used_libraries"); #ifndef NDEBUG BLI_snprintf(mat->name, sizeof(mat->name), "%s", name); #else UNUSED_VARS(name); #endif + if (is_lookdev) { + mat->flag |= GPU_MATFLAG_LOOKDEV_HACK; + } - mat->used_libraries = BLI_gset_new( - BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp, "GPUMaterial.used_libraries"); - - /* localize tree to create links for reroute and mute */ + /* Localize tree to create links for reroute and mute. */ bNodeTree *localtree = ntreeLocalize(ntree); - ntreeGPUMaterialNodes(localtree, mat, &has_surface_output, &has_volume_output); + ntreeGPUMaterialNodes(localtree, mat); gpu_material_ramp_texture_build(mat); - mat->has_surface_output = has_surface_output; - mat->has_volume_output = has_volume_output; - - if (mat->graph.outlink) { - if (callback) { - callback(mat, options, &vert_code, &geom_code, &frag_lib, &defines); - } - /* HACK: this is only for eevee. We add the define here after the nodetree evaluation. */ - if (GPU_material_flag_get(mat, GPU_MATFLAG_SSS)) { - defines = BLI_string_joinN(defines, - "#ifndef USE_ALPHA_BLEND\n" - "# define USE_SSS\n" - "#endif\n"); - } + { /* Create source code and search pass cache for an already compiled version. */ - mat->pass = GPU_generate_pass(mat, &mat->graph, vert_code, geom_code, frag_lib, defines); - - if (GPU_material_flag_get(mat, GPU_MATFLAG_SSS)) { - MEM_freeN((char *)defines); - } + mat->pass = GPU_generate_pass(mat, &mat->graph, callback, thunk); if (mat->pass == NULL) { /* We had a cache hit and the shader has already failed to compile. */ @@ -649,26 +701,20 @@ GPUMaterial *GPU_material_from_nodetree(Scene *scene, gpu_node_graph_free_nodes(&mat->graph); } else { - mat->status = GPU_MAT_QUEUED; + mat->status = GPU_MAT_CREATED; } } } - else { - mat->status = GPU_MAT_FAILED; - gpu_node_graph_free(&mat->graph); - } - /* Only free after GPU_pass_shader_get where GPUUniformBuf - * read data from the local tree. */ + /* Only free after GPU_pass_shader_get where GPUUniformBuf read data from the local tree. */ ntreeFreeLocalTree(localtree); BLI_assert(!localtree->id.py_instance); /* Or call #BKE_libblock_free_data_py. */ MEM_freeN(localtree); - /* note that even if building the shader fails in some way, we still keep + /* Note that even if building the shader fails in some way, we still keep * it to avoid trying to compile again and again, and simply do not use - * the actual shader on drawing */ - - link = MEM_callocN(sizeof(LinkData), "GPUMaterialLink"); + * the actual shader on drawing. */ + LinkData *link = MEM_callocN(sizeof(LinkData), "GPUMaterialLink"); link->data = mat; BLI_addtail(gpumaterials, link); @@ -690,6 +736,8 @@ void GPU_material_compile(GPUMaterial *mat) success = GPU_pass_compile(mat->pass, __func__); #endif + mat->flag |= GPU_MATFLAG_UPDATED; + if (success) { GPUShader *sh = GPU_pass_shader_get(mat->pass); if (sh != NULL) { @@ -715,5 +763,6 @@ void GPU_materials_free(Main *bmain) GPU_material_free(&wo->gpumaterial); } + // BKE_world_defaults_free_gpu(); BKE_material_defaults_free_gpu(); } |