diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_shader.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_shader.c | 99 |
1 files changed, 86 insertions, 13 deletions
diff --git a/source/blender/gpu/intern/gpu_shader.c b/source/blender/gpu/intern/gpu_shader.c index f0a1c182713..cc1e1e8bb14 100644 --- a/source/blender/gpu/intern/gpu_shader.c +++ b/source/blender/gpu/intern/gpu_shader.c @@ -30,9 +30,13 @@ #include "BLI_utildefines.h" #include "BLI_math_base.h" #include "BLI_math_vector.h" +#include "BLI_path_util.h" +#include "BKE_appdir.h" #include "BKE_global.h" +#include "DNA_space_types.h" + #include "GPU_compositing.h" #include "GPU_extensions.h" #include "GPU_matrix.h" @@ -113,11 +117,11 @@ extern char datatoc_gpu_shader_2D_point_uniform_size_aa_vert_glsl[]; extern char datatoc_gpu_shader_2D_point_uniform_size_outline_aa_vert_glsl[]; extern char datatoc_gpu_shader_2D_point_uniform_size_varying_color_outline_aa_vert_glsl[]; -extern char datatoc_gpu_shader_2D_line_dashed_vert_glsl[]; +extern char datatoc_gpu_shader_2D_line_dashed_uniform_color_vert_glsl[]; extern char datatoc_gpu_shader_2D_line_dashed_frag_glsl[]; extern char datatoc_gpu_shader_2D_line_dashed_geom_glsl[]; -extern char datatoc_gpu_shader_3D_line_dashed_legacy_vert_glsl[]; -extern char datatoc_gpu_shader_3D_line_dashed_vert_glsl[]; +extern char datatoc_gpu_shader_3D_line_dashed_uniform_color_legacy_vert_glsl[]; +extern char datatoc_gpu_shader_3D_line_dashed_uniform_color_vert_glsl[]; extern char datatoc_gpu_shader_edges_front_back_persp_vert_glsl[]; extern char datatoc_gpu_shader_edges_front_back_persp_geom_glsl[]; @@ -267,6 +271,53 @@ GPUShader *GPU_shader_create(const char *vertexcode, GPU_SHADER_FLAGS_NONE); } +#define DEBUG_SHADER_NONE "" +#define DEBUG_SHADER_VERTEX "vert" +#define DEBUG_SHADER_FRAGMENT "frag" +#define DEBUG_SHADER_GEOMETRY "geom" + +/** + * Dump GLSL shaders to disk + * + * This is used for profiling shader performance externally and debug if shader code is correct. + * If called with no code, it simply bumps the shader index, so different shaders for the same + * program share the same index. + */ +static void gpu_dump_shaders(const char **code, const int num_shaders, const char *extension) +{ + if ((G.debug & G_DEBUG_GPU_SHADERS) == 0) { + return; + } + + /* We use the same shader index for shaders in the same program. + * So we call this function once before calling for the invidual shaders. */ + static int shader_index = 0; + if (code == NULL) { + shader_index++; + BLI_assert(STREQ(DEBUG_SHADER_NONE, extension)); + return; + } + + /* Determine the full path of the new shader. */ + char shader_path[FILE_MAX]; + + char file_name[512] = {'\0'}; + sprintf(file_name, "%04d.%s", shader_index, extension); + + BLI_join_dirfile(shader_path, sizeof(shader_path), BKE_tempdir_session(), file_name); + + /* Write shader to disk. */ + FILE *f = fopen(shader_path, "w"); + if (f == NULL) { + printf("Error writing to file: %s\n", shader_path); + } + for (int j = 0; j < num_shaders; j++) { + fprintf(f, "%s", code[j]); + } + fclose(f); + printf("Shader file written to disk: %s\n", shader_path); +} + GPUShader *GPU_shader_create_ex(const char *vertexcode, const char *fragcode, const char *geocode, @@ -288,6 +339,7 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, char standard_extensions[MAX_EXT_DEFINE_LENGTH] = ""; shader = MEM_callocN(sizeof(GPUShader), "GPUShader"); + gpu_dump_shaders(NULL, 0, DEBUG_SHADER_NONE); if (vertexcode) shader->vertex = glCreateShader(GL_VERTEX_SHADER); @@ -325,6 +377,8 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, if (defines) source[num_source++] = defines; source[num_source++] = vertexcode; + gpu_dump_shaders(source, num_source, DEBUG_SHADER_VERTEX); + glAttachShader(shader->program, shader->vertex); glShaderSource(shader->vertex, num_source, source, NULL); @@ -364,6 +418,8 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, if (libcode) source[num_source++] = libcode; source[num_source++] = fragcode; + gpu_dump_shaders(source, num_source, DEBUG_SHADER_FRAGMENT); + glAttachShader(shader->program, shader->fragment); glShaderSource(shader->fragment, num_source, source, NULL); @@ -390,6 +446,8 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, if (defines) source[num_source++] = defines; source[num_source++] = geocode; + gpu_dump_shaders(source, num_source, DEBUG_SHADER_GEOMETRY); + glAttachShader(shader->program, shader->geometry); glShaderSource(shader->geometry, num_source, source, NULL); @@ -452,6 +510,11 @@ GPUShader *GPU_shader_create_ex(const char *vertexcode, return shader; } +#undef DEBUG_SHADER_GEOMETRY +#undef DEBUG_SHADER_FRAGMENT +#undef DEBUG_SHADER_VERTEX +#undef DEBUG_SHADER_NONE + void GPU_shader_bind(GPUShader *shader) { BLI_assert(shader && shader->program); @@ -494,11 +557,19 @@ int GPU_shader_get_uniform(GPUShader *shader, const char *name) return uniform ? uniform->location : -1; } +int GPU_shader_get_builtin_uniform(GPUShader *shader, int builtin) +{ + BLI_assert(shader && shader->program); + const Gwn_ShaderInput *uniform = GWN_shaderinterface_uniform_builtin(shader->interface, builtin); + return uniform ? uniform->location : -1; +} + int GPU_shader_get_uniform_block(GPUShader *shader, const char *name) { BLI_assert(shader && shader->program); - return glGetUniformBlockIndex(shader->program, name); + const Gwn_ShaderInput *ubo = GWN_shaderinterface_ubo(shader->interface, name); + return ubo ? ubo->location : -1; } void *GPU_fx_shader_get_interface(GPUShader *shader) @@ -663,6 +734,7 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) [GPU_SHADER_2D_IMAGE_SHUFFLE_COLOR] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_shuffle_color_frag_glsl }, [GPU_SHADER_3D_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl }, + [GPU_SHADER_3D_UNIFORM_COLOR_U32] = { datatoc_gpu_shader_3D_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl }, [GPU_SHADER_3D_FLAT_COLOR] = { datatoc_gpu_shader_3D_flat_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_3D_FLAT_COLOR_U32] = { datatoc_gpu_shader_3D_flat_color_vert_glsl, @@ -678,12 +750,12 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) datatoc_gpu_shader_uniform_color_frag_glsl, datatoc_gpu_shader_3D_groundline_geom_glsl }, - [GPU_SHADER_2D_LINE_DASHED_COLOR] = { datatoc_gpu_shader_2D_line_dashed_vert_glsl, - datatoc_gpu_shader_2D_line_dashed_frag_glsl, - datatoc_gpu_shader_2D_line_dashed_geom_glsl }, - [GPU_SHADER_3D_LINE_DASHED_COLOR] = { datatoc_gpu_shader_3D_line_dashed_vert_glsl, - datatoc_gpu_shader_2D_line_dashed_frag_glsl, - datatoc_gpu_shader_2D_line_dashed_geom_glsl }, + [GPU_SHADER_2D_LINE_DASHED_UNIFORM_COLOR] = { datatoc_gpu_shader_2D_line_dashed_uniform_color_vert_glsl, + datatoc_gpu_shader_2D_line_dashed_frag_glsl, + datatoc_gpu_shader_2D_line_dashed_geom_glsl }, + [GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_line_dashed_uniform_color_vert_glsl, + datatoc_gpu_shader_2D_line_dashed_frag_glsl, + datatoc_gpu_shader_2D_line_dashed_geom_glsl }, [GPU_SHADER_3D_OBJECTSPACE_SIMPLE_LIGHTING_VARIYING_COLOR] = { datatoc_gpu_shader_instance_objectspace_variying_color_vert_glsl, @@ -744,7 +816,7 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) datatoc_gpu_shader_instance_edges_variying_color_geom_glsl}, [GPU_SHADER_3D_INSTANCE_BONE_ENVELOPE_SOLID] = { datatoc_gpu_shader_instance_bone_envelope_solid_vert_glsl, - datatoc_gpu_shader_simple_lighting_frag_glsl }, + datatoc_gpu_shader_simple_lighting_frag_glsl }, [GPU_SHADER_3D_INSTANCE_BONE_ENVELOPE_WIRE] = { datatoc_gpu_shader_instance_bone_envelope_wire_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, }; @@ -767,6 +839,7 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) defines = "#define USE_INSTANCE_COLOR;\n"; break; case GPU_SHADER_3D_FLAT_COLOR_U32: + case GPU_SHADER_3D_UNIFORM_COLOR_U32: defines = "#define USE_COLOR_U32;\n"; break; case GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR: @@ -786,10 +859,10 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) stages = &legacy_fancy_edges; } - if (shader == GPU_SHADER_3D_LINE_DASHED_COLOR && !GLEW_VERSION_3_2) { + if (shader == GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR && !GLEW_VERSION_3_2) { /* Dashed need geometry shader, which are not supported by legacy OpenGL, fallback to solid lines. */ /* TODO: remove after switch to core profile (maybe) */ - static const GPUShaderStages legacy_dashed_lines = { datatoc_gpu_shader_3D_line_dashed_legacy_vert_glsl, + static const GPUShaderStages legacy_dashed_lines = { datatoc_gpu_shader_3D_line_dashed_uniform_color_legacy_vert_glsl, datatoc_gpu_shader_2D_line_dashed_frag_glsl }; stages = &legacy_dashed_lines; } |