/* * ***** BEGIN GPL LICENSE BLOCK ***** * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * The Original Code is Copyright (C) 2005 Blender Foundation. * All rights reserved. * * The Original Code is: all of this file. * * Contributor(s): Brecht Van Lommel. * * ***** END GPL LICENSE BLOCK ***** */ /** \file blender/gpu/intern/gpu_shader.c * \ingroup gpu */ #include "MEM_guardedalloc.h" #include "BLI_utildefines.h" #include "BLI_math_base.h" #include "BLI_math_vector.h" #include "BLI_path_util.h" #include "BLI_string.h" #include "BKE_appdir.h" #include "BKE_global.h" #include "DNA_space_types.h" #include "GPU_extensions.h" #include "GPU_context.h" #include "GPU_matrix.h" #include "GPU_shader.h" #include "GPU_texture.h" #include "GPU_uniformbuffer.h" #include "gpu_shader_private.h" /* Adjust these constants as needed. */ #define MAX_DEFINE_LENGTH 256 #define MAX_EXT_DEFINE_LENGTH 256 /* Non-generated shaders */ extern char datatoc_gpu_shader_depth_only_frag_glsl[]; extern char datatoc_gpu_shader_uniform_color_frag_glsl[]; extern char datatoc_gpu_shader_checker_frag_glsl[]; extern char datatoc_gpu_shader_diag_stripes_frag_glsl[]; extern char datatoc_gpu_shader_simple_lighting_frag_glsl[]; extern char datatoc_gpu_shader_simple_lighting_flat_color_frag_glsl[]; extern char datatoc_gpu_shader_simple_lighting_smooth_color_frag_glsl[]; extern char datatoc_gpu_shader_simple_lighting_smooth_color_alpha_frag_glsl[]; extern char datatoc_gpu_shader_flat_color_frag_glsl[]; extern char datatoc_gpu_shader_flat_color_alpha_test_0_frag_glsl[]; extern char datatoc_gpu_shader_flat_id_frag_glsl[]; extern char datatoc_gpu_shader_2D_area_borders_vert_glsl[]; extern char datatoc_gpu_shader_2D_area_borders_frag_glsl[]; extern char datatoc_gpu_shader_2D_vert_glsl[]; extern char datatoc_gpu_shader_2D_flat_color_vert_glsl[]; extern char datatoc_gpu_shader_2D_smooth_color_uniform_alpha_vert_glsl[]; extern char datatoc_gpu_shader_2D_smooth_color_vert_glsl[]; extern char datatoc_gpu_shader_2D_smooth_color_frag_glsl[]; extern char datatoc_gpu_shader_2D_smooth_color_dithered_frag_glsl[]; extern char datatoc_gpu_shader_2D_image_vert_glsl[]; extern char datatoc_gpu_shader_2D_image_rect_vert_glsl[]; extern char datatoc_gpu_shader_2D_image_multi_rect_vert_glsl[]; extern char datatoc_gpu_shader_2D_widget_base_vert_glsl[]; extern char datatoc_gpu_shader_2D_widget_base_frag_glsl[]; extern char datatoc_gpu_shader_2D_widget_shadow_vert_glsl[]; extern char datatoc_gpu_shader_2D_widget_shadow_frag_glsl[]; extern char datatoc_gpu_shader_2D_nodelink_frag_glsl[]; extern char datatoc_gpu_shader_2D_nodelink_vert_glsl[]; extern char datatoc_gpu_shader_3D_image_vert_glsl[]; extern char datatoc_gpu_shader_image_frag_glsl[]; extern char datatoc_gpu_shader_image_linear_frag_glsl[]; extern char datatoc_gpu_shader_image_color_frag_glsl[]; extern char datatoc_gpu_shader_image_desaturate_frag_glsl[]; extern char datatoc_gpu_shader_image_varying_color_frag_glsl[]; extern char datatoc_gpu_shader_image_alpha_color_frag_glsl[]; extern char datatoc_gpu_shader_image_shuffle_color_frag_glsl[]; extern char datatoc_gpu_shader_image_interlace_frag_glsl[]; extern char datatoc_gpu_shader_image_mask_uniform_color_frag_glsl[]; extern char datatoc_gpu_shader_image_modulate_alpha_frag_glsl[]; extern char datatoc_gpu_shader_image_depth_linear_frag_glsl[]; extern char datatoc_gpu_shader_image_depth_copy_frag_glsl[]; extern char datatoc_gpu_shader_image_multisample_resolve_frag_glsl[]; extern char datatoc_gpu_shader_3D_vert_glsl[]; extern char datatoc_gpu_shader_3D_normal_vert_glsl[]; extern char datatoc_gpu_shader_3D_flat_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_smooth_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_normal_flat_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_smooth_color_frag_glsl[]; extern char datatoc_gpu_shader_3D_passthrough_vert_glsl[]; extern char datatoc_gpu_shader_3D_clipped_uniform_color_vert_glsl[]; extern char datatoc_gpu_shader_instance_vert_glsl[]; extern char datatoc_gpu_shader_instance_variying_size_variying_color_vert_glsl[]; extern char datatoc_gpu_shader_instance_variying_size_variying_id_vert_glsl[]; extern char datatoc_gpu_shader_instance_objectspace_variying_color_vert_glsl[]; extern char datatoc_gpu_shader_instance_screenspace_variying_color_vert_glsl[]; extern char datatoc_gpu_shader_instance_screen_aligned_vert_glsl[]; extern char datatoc_gpu_shader_instance_camera_vert_glsl[]; extern char datatoc_gpu_shader_instance_distance_line_vert_glsl[]; extern char datatoc_gpu_shader_instance_edges_variying_color_geom_glsl[]; extern char datatoc_gpu_shader_instance_edges_variying_color_vert_glsl[]; extern char datatoc_gpu_shader_instance_mball_handles_vert_glsl[]; extern char datatoc_gpu_shader_3D_groundpoint_vert_glsl[]; extern char datatoc_gpu_shader_3D_groundline_geom_glsl[]; extern char datatoc_gpu_shader_point_uniform_color_frag_glsl[]; extern char datatoc_gpu_shader_point_uniform_color_aa_frag_glsl[]; extern char datatoc_gpu_shader_point_uniform_color_outline_aa_frag_glsl[]; extern char datatoc_gpu_shader_point_varying_color_outline_aa_frag_glsl[]; extern char datatoc_gpu_shader_point_varying_color_varying_outline_aa_frag_glsl[]; extern char datatoc_gpu_shader_point_varying_color_frag_glsl[]; extern char datatoc_gpu_shader_3D_point_fixed_size_varying_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_point_varying_size_vert_glsl[]; extern char datatoc_gpu_shader_3D_point_varying_size_varying_color_vert_glsl[]; extern char datatoc_gpu_shader_3D_point_uniform_size_aa_vert_glsl[]; extern char datatoc_gpu_shader_3D_point_uniform_size_outline_aa_vert_glsl[]; extern char datatoc_gpu_shader_2D_point_varying_size_varying_color_vert_glsl[]; 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_edituvs_points_vert_glsl[]; extern char datatoc_gpu_shader_2D_edituvs_facedots_vert_glsl[]; extern char datatoc_gpu_shader_2D_edituvs_edges_vert_glsl[]; extern char datatoc_gpu_shader_2D_edituvs_faces_vert_glsl[]; extern char datatoc_gpu_shader_2D_edituvs_stretch_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_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[]; extern char datatoc_gpu_shader_edges_front_back_persp_legacy_vert_glsl[]; extern char datatoc_gpu_shader_edges_front_back_ortho_vert_glsl[]; extern char datatoc_gpu_shader_edges_overlay_vert_glsl[]; extern char datatoc_gpu_shader_edges_overlay_geom_glsl[]; extern char datatoc_gpu_shader_edges_overlay_simple_geom_glsl[]; extern char datatoc_gpu_shader_edges_overlay_frag_glsl[]; extern char datatoc_gpu_shader_text_vert_glsl[]; extern char datatoc_gpu_shader_text_geom_glsl[]; extern char datatoc_gpu_shader_text_frag_glsl[]; extern char datatoc_gpu_shader_text_simple_vert_glsl[]; extern char datatoc_gpu_shader_text_simple_geom_glsl[]; extern char datatoc_gpu_shader_keyframe_diamond_vert_glsl[]; extern char datatoc_gpu_shader_keyframe_diamond_frag_glsl[]; extern char datatoc_gpu_shader_gpencil_stroke_vert_glsl[]; extern char datatoc_gpu_shader_gpencil_stroke_frag_glsl[]; extern char datatoc_gpu_shader_gpencil_stroke_geom_glsl[]; extern char datatoc_gpu_shader_gpencil_fill_vert_glsl[]; extern char datatoc_gpu_shader_gpencil_fill_frag_glsl[]; /* cache of built-in shaders (each is created on first use) */ static GPUShader *builtin_shaders[GPU_NUM_BUILTIN_SHADERS] = { NULL }; #ifndef NDEBUG static uint g_shaderid = 0; #endif typedef struct { const char *vert; const char *frag; const char *geom; /* geometry stage runs between vert & frag, but is less common, so it goes last */ } GPUShaderStages; static void shader_print_errors(const char *task, const char *log, const char **code, int totcode) { int line = 1; fprintf(stderr, "GPUShader: %s error:\n", task); for (int i = 0; i < totcode; i++) { const char *c, *pos, *end = code[i] + strlen(code[i]); if (G.debug & G_DEBUG) { fprintf(stderr, "===== shader string %d ====\n", i + 1); c = code[i]; while ((c < end) && (pos = strchr(c, '\n'))) { fprintf(stderr, "%2d ", line); fwrite(c, (pos + 1) - c, 1, stderr); c = pos + 1; line++; } fprintf(stderr, "%s", c); } } fprintf(stderr, "%s\n", log); } static const char *gpu_shader_version(void) { return "#version 330\n"; } static void gpu_shader_standard_extensions(char defines[MAX_EXT_DEFINE_LENGTH]) { /* enable extensions for features that are not part of our base GLSL version * don't use an extension for something already available! */ if (GLEW_ARB_texture_gather) { /* There is a bug on older Nvidia GPU where GL_ARB_texture_gather * is reported to be supported but yield a compile error (see T55802). */ if (!GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_ANY, GPU_DRIVER_ANY) || GLEW_VERSION_4_0) { strcat(defines, "#extension GL_ARB_texture_gather: enable\n"); /* Some drivers don't agree on GLEW_ARB_texture_gather and the actual support in the * shader so double check the preprocessor define (see T56544). */ if (!GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_ANY, GPU_DRIVER_ANY) && !GLEW_VERSION_4_0) { strcat(defines, "#ifdef GL_ARB_texture_gather\n"); strcat(defines, "# define GPU_ARB_texture_gather\n"); strcat(defines, "#endif\n"); } else { strcat(defines, "#define GPU_ARB_texture_gather\n"); } } } if (GLEW_ARB_texture_query_lod) { /* a #version 400 feature, but we use #version 330 maximum so use extension */ strcat(defines, "#extension GL_ARB_texture_query_lod: enable\n"); } } static void gpu_shader_standard_defines(char defines[MAX_DEFINE_LENGTH]) { /* some useful defines to detect GPU type */ if (GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_ANY, GPU_DRIVER_ANY)) strcat(defines, "#define GPU_ATI\n"); else if (GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_ANY, GPU_DRIVER_ANY)) strcat(defines, "#define GPU_NVIDIA\n"); else if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_ANY, GPU_DRIVER_ANY)) strcat(defines, "#define GPU_INTEL\n"); return; } GPUShader *GPU_shader_create( const char *vertexcode, const char *fragcode, const char *geocode, const char *libcode, const char *defines, const char *shname) { return GPU_shader_create_ex( vertexcode, fragcode, geocode, libcode, defines, GPU_SHADER_TFB_NONE, NULL, 0, shname); } #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 individual 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, const char *libcode, const char *defines, const GPUShaderTFBType tf_type, const char **tf_names, const int tf_count, const char *shname) { GLint status; GLchar log[5000]; GLsizei length = 0; GPUShader *shader; char standard_defines[MAX_DEFINE_LENGTH] = ""; char standard_extensions[MAX_EXT_DEFINE_LENGTH] = ""; shader = MEM_callocN(sizeof(GPUShader), "GPUShader"); gpu_dump_shaders(NULL, 0, DEBUG_SHADER_NONE); #ifndef NDEBUG BLI_snprintf(shader->name, sizeof(shader->name), "%s_%u", shname, g_shaderid++); #else UNUSED_VARS(shname); #endif /* At least a vertex shader and a fragment shader are required. */ // BLI_assert((fragcode != NULL) && (vertexcode != NULL)); if (vertexcode) shader->vertex = glCreateShader(GL_VERTEX_SHADER); if (fragcode) shader->fragment = glCreateShader(GL_FRAGMENT_SHADER); if (geocode) shader->geometry = glCreateShader(GL_GEOMETRY_SHADER); shader->program = glCreateProgram(); if (!shader->program || (vertexcode && !shader->vertex) || (fragcode && !shader->fragment) || (geocode && !shader->geometry)) { fprintf(stderr, "GPUShader, object creation failed.\n"); GPU_shader_free(shader); return NULL; } gpu_shader_standard_defines(standard_defines); gpu_shader_standard_extensions(standard_extensions); if (vertexcode) { const char *source[5]; /* custom limit, may be too small, beware */ int num_source = 0; source[num_source++] = gpu_shader_version(); source[num_source++] = standard_extensions; source[num_source++] = standard_defines; 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); glCompileShader(shader->vertex); glGetShaderiv(shader->vertex, GL_COMPILE_STATUS, &status); if (!status) { glGetShaderInfoLog(shader->vertex, sizeof(log), &length, log); shader_print_errors("compile", log, source, num_source); GPU_shader_free(shader); return NULL; } } if (fragcode) { const char *source[7]; int num_source = 0; source[num_source++] = gpu_shader_version(); source[num_source++] = standard_extensions; source[num_source++] = standard_defines; if (defines) source[num_source++] = defines; 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); glCompileShader(shader->fragment); glGetShaderiv(shader->fragment, GL_COMPILE_STATUS, &status); if (!status) { glGetShaderInfoLog(shader->fragment, sizeof(log), &length, log); shader_print_errors("compile", log, source, num_source); GPU_shader_free(shader); return NULL; } } if (geocode) { const char *source[6]; int num_source = 0; source[num_source++] = gpu_shader_version(); source[num_source++] = standard_extensions; source[num_source++] = standard_defines; 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); glCompileShader(shader->geometry); glGetShaderiv(shader->geometry, GL_COMPILE_STATUS, &status); if (!status) { glGetShaderInfoLog(shader->geometry, sizeof(log), &length, log); shader_print_errors("compile", log, source, num_source); GPU_shader_free(shader); return NULL; } } if (tf_names != NULL) { glTransformFeedbackVaryings(shader->program, tf_count, tf_names, GL_INTERLEAVED_ATTRIBS); /* Primitive type must be setup */ BLI_assert(tf_type != GPU_SHADER_TFB_NONE); shader->feedback_transform_type = tf_type; } glLinkProgram(shader->program); glGetProgramiv(shader->program, GL_LINK_STATUS, &status); if (!status) { glGetProgramInfoLog(shader->program, sizeof(log), &length, log); /* print attached shaders in pipeline order */ if (vertexcode) shader_print_errors("linking", log, &vertexcode, 1); if (geocode) shader_print_errors("linking", log, &geocode, 1); if (libcode) shader_print_errors("linking", log, &libcode, 1); if (fragcode) shader_print_errors("linking", log, &fragcode, 1); GPU_shader_free(shader); return NULL; } shader->interface = GPU_shaderinterface_create(shader->program); 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); glUseProgram(shader->program); GPU_matrix_bind(shader->interface); } void GPU_shader_unbind(void) { glUseProgram(0); } bool GPU_shader_transform_feedback_enable(GPUShader *shader, uint vbo_id) { if (shader->feedback_transform_type == GPU_SHADER_TFB_NONE) { return false; } glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, vbo_id); switch (shader->feedback_transform_type) { case GPU_SHADER_TFB_POINTS: glBeginTransformFeedback(GL_POINTS); return true; case GPU_SHADER_TFB_LINES: glBeginTransformFeedback(GL_LINES); return true; case GPU_SHADER_TFB_TRIANGLES: glBeginTransformFeedback(GL_TRIANGLES); return true; default: return false; } } void GPU_shader_transform_feedback_disable(GPUShader *UNUSED(shader)) { glEndTransformFeedback(); } void GPU_shader_free(GPUShader *shader) { #if 0 /* Would be nice to have, but for now the Deferred compilation * does not have a GPUContext. */ BLI_assert(GPU_context_active_get() != NULL); #endif BLI_assert(shader); if (shader->vertex) glDeleteShader(shader->vertex); if (shader->geometry) glDeleteShader(shader->geometry); if (shader->fragment) glDeleteShader(shader->fragment); if (shader->program) glDeleteProgram(shader->program); if (shader->interface) GPU_shaderinterface_discard(shader->interface); MEM_freeN(shader); } int GPU_shader_get_uniform(GPUShader *shader, const char *name) { BLI_assert(shader && shader->program); const GPUShaderInput *uniform = GPU_shaderinterface_uniform(shader->interface, name); return uniform ? uniform->location : -1; } int GPU_shader_get_builtin_uniform(GPUShader *shader, int builtin) { BLI_assert(shader && shader->program); const GPUShaderInput *uniform = GPU_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); const GPUShaderInput *ubo = GPU_shaderinterface_ubo(shader->interface, name); return ubo ? ubo->location : -1; } void *GPU_shader_get_interface(GPUShader *shader) { return shader->interface; } /* Clement : Temp */ int GPU_shader_get_program(GPUShader *shader) { return (int)shader->program; } void GPU_shader_uniform_float(GPUShader *UNUSED(shader), int location, float value) { if (location == -1) return; glUniform1f(location, value); } void GPU_shader_uniform_vector(GPUShader *UNUSED(shader), int location, int length, int arraysize, const float *value) { if (location == -1 || value == NULL) return; if (length == 1) glUniform1fv(location, arraysize, value); else if (length == 2) glUniform2fv(location, arraysize, value); else if (length == 3) glUniform3fv(location, arraysize, value); else if (length == 4) glUniform4fv(location, arraysize, value); else if (length == 9) glUniformMatrix3fv(location, arraysize, 0, value); else if (length == 16) glUniformMatrix4fv(location, arraysize, 0, value); } void GPU_shader_uniform_vector_int(GPUShader *UNUSED(shader), int location, int length, int arraysize, const int *value) { if (location == -1) return; if (length == 1) glUniform1iv(location, arraysize, value); else if (length == 2) glUniform2iv(location, arraysize, value); else if (length == 3) glUniform3iv(location, arraysize, value); else if (length == 4) glUniform4iv(location, arraysize, value); } void GPU_shader_uniform_int(GPUShader *UNUSED(shader), int location, int value) { if (location == -1) return; glUniform1i(location, value); } void GPU_shader_uniform_buffer(GPUShader *shader, int location, GPUUniformBuffer *ubo) { int bindpoint = GPU_uniformbuffer_bindpoint(ubo); if (location == -1) { return; } glUniformBlockBinding(shader->program, location, bindpoint); } void GPU_shader_uniform_texture(GPUShader *UNUSED(shader), int location, GPUTexture *tex) { int number = GPU_texture_bound_number(tex); if (number == -1) { fprintf(stderr, "Texture is not bound.\n"); BLI_assert(0); return; } if (location == -1) return; glUniform1i(location, number); } int GPU_shader_get_attribute(GPUShader *shader, const char *name) { BLI_assert(shader && shader->program); const GPUShaderInput *attrib = GPU_shaderinterface_attr(shader->interface, name); return attrib ? attrib->location : -1; } static const GPUShaderStages builtin_shader_stages[GPU_NUM_BUILTIN_SHADERS] = { [GPU_SHADER_TEXT] = { datatoc_gpu_shader_text_vert_glsl, datatoc_gpu_shader_text_frag_glsl, datatoc_gpu_shader_text_geom_glsl }, [GPU_SHADER_TEXT_SIMPLE] = { datatoc_gpu_shader_text_simple_vert_glsl, datatoc_gpu_shader_text_frag_glsl, datatoc_gpu_shader_text_simple_geom_glsl }, [GPU_SHADER_KEYFRAME_DIAMOND] = { datatoc_gpu_shader_keyframe_diamond_vert_glsl, datatoc_gpu_shader_keyframe_diamond_frag_glsl }, [GPU_SHADER_EDGES_FRONT_BACK_PERSP] = { datatoc_gpu_shader_edges_front_back_persp_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl, /* this version is */ datatoc_gpu_shader_edges_front_back_persp_geom_glsl }, /* magical but slooow */ [GPU_SHADER_EDGES_FRONT_BACK_ORTHO] = { datatoc_gpu_shader_edges_front_back_ortho_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_EDGES_OVERLAY_SIMPLE] = { datatoc_gpu_shader_3D_vert_glsl, datatoc_gpu_shader_edges_overlay_frag_glsl, datatoc_gpu_shader_edges_overlay_simple_geom_glsl }, [GPU_SHADER_EDGES_OVERLAY] = { datatoc_gpu_shader_edges_overlay_vert_glsl, datatoc_gpu_shader_edges_overlay_frag_glsl, datatoc_gpu_shader_edges_overlay_geom_glsl }, [GPU_SHADER_SIMPLE_LIGHTING] = { datatoc_gpu_shader_3D_normal_vert_glsl, datatoc_gpu_shader_simple_lighting_frag_glsl }, /* Use 'USE_FLAT_NORMAL' to make flat shader from smooth */ [GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_frag_glsl }, [GPU_SHADER_SIMPLE_LIGHTING_SMOOTH_COLOR] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_frag_glsl }, [GPU_SHADER_SIMPLE_LIGHTING_SMOOTH_COLOR_ALPHA] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_alpha_frag_glsl }, [GPU_SHADER_2D_IMAGE_MASK_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_image_vert_glsl, datatoc_gpu_shader_image_mask_uniform_color_frag_glsl }, [GPU_SHADER_3D_IMAGE_MODULATE_ALPHA] = { datatoc_gpu_shader_3D_image_vert_glsl, datatoc_gpu_shader_image_modulate_alpha_frag_glsl }, [GPU_SHADER_3D_IMAGE_DEPTH] = { datatoc_gpu_shader_3D_image_vert_glsl, datatoc_gpu_shader_image_depth_linear_frag_glsl }, [GPU_SHADER_3D_IMAGE_DEPTH_COPY] = { datatoc_gpu_shader_3D_image_vert_glsl, datatoc_gpu_shader_image_depth_copy_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_2] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_4] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_8] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_16] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_2_DEPTH_TEST] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_4_DEPTH_TEST] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_8_DEPTH_TEST] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTISAMPLE_16_DEPTH_TEST] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_image_multisample_resolve_frag_glsl }, [GPU_SHADER_2D_IMAGE_INTERLACE] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_interlace_frag_glsl }, [GPU_SHADER_2D_CHECKER] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_checker_frag_glsl }, [GPU_SHADER_2D_DIAG_STRIPES] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_diag_stripes_frag_glsl }, [GPU_SHADER_2D_UNIFORM_COLOR] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl }, [GPU_SHADER_2D_FLAT_COLOR] = { datatoc_gpu_shader_2D_flat_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_2D_SMOOTH_COLOR] = { datatoc_gpu_shader_2D_smooth_color_vert_glsl, datatoc_gpu_shader_2D_smooth_color_frag_glsl }, [GPU_SHADER_2D_SMOOTH_COLOR_DITHER] = { datatoc_gpu_shader_2D_smooth_color_vert_glsl, datatoc_gpu_shader_2D_smooth_color_dithered_frag_glsl }, [GPU_SHADER_2D_IMAGE_LINEAR_TO_SRGB] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_linear_frag_glsl }, [GPU_SHADER_2D_IMAGE] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_frag_glsl }, [GPU_SHADER_2D_IMAGE_COLOR] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_color_frag_glsl }, [GPU_SHADER_2D_IMAGE_DESATURATE_COLOR] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_desaturate_frag_glsl }, [GPU_SHADER_2D_IMAGE_ALPHA_COLOR] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_alpha_color_frag_glsl }, [GPU_SHADER_2D_IMAGE_SHUFFLE_COLOR] = { datatoc_gpu_shader_2D_image_vert_glsl, datatoc_gpu_shader_image_shuffle_color_frag_glsl }, [GPU_SHADER_2D_IMAGE_RECT_COLOR] = { datatoc_gpu_shader_2D_image_rect_vert_glsl, datatoc_gpu_shader_image_color_frag_glsl }, [GPU_SHADER_2D_IMAGE_MULTI_RECT_COLOR] = { datatoc_gpu_shader_2D_image_multi_rect_vert_glsl, datatoc_gpu_shader_image_varying_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, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_3D_SMOOTH_COLOR] = { datatoc_gpu_shader_3D_smooth_color_vert_glsl, datatoc_gpu_shader_3D_smooth_color_frag_glsl }, [GPU_SHADER_3D_DEPTH_ONLY] = { datatoc_gpu_shader_3D_vert_glsl, datatoc_gpu_shader_depth_only_frag_glsl }, [GPU_SHADER_3D_CLIPPED_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_clipped_uniform_color_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl }, [GPU_SHADER_3D_GROUNDPOINT] = { datatoc_gpu_shader_3D_groundpoint_vert_glsl, datatoc_gpu_shader_point_uniform_color_frag_glsl }, [GPU_SHADER_3D_GROUNDLINE] = { datatoc_gpu_shader_3D_passthrough_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl, datatoc_gpu_shader_3D_groundline_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, datatoc_gpu_shader_simple_lighting_frag_glsl}, [GPU_SHADER_3D_OBJECTSPACE_VARIYING_COLOR] = { datatoc_gpu_shader_instance_objectspace_variying_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_3D_SCREENSPACE_VARIYING_COLOR] = { datatoc_gpu_shader_instance_screenspace_variying_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_3D_INSTANCE_SCREEN_ALIGNED_AXIS] = { datatoc_gpu_shader_instance_screen_aligned_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_3D_INSTANCE_SCREEN_ALIGNED] = { datatoc_gpu_shader_instance_screen_aligned_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_CAMERA] = { datatoc_gpu_shader_instance_camera_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_DISTANCE_LINES] = { datatoc_gpu_shader_instance_distance_line_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl}, [GPU_SHADER_2D_POINT_FIXED_SIZE_UNIFORM_COLOR] = { datatoc_gpu_shader_2D_vert_glsl, datatoc_gpu_shader_point_uniform_color_frag_glsl }, [GPU_SHADER_2D_POINT_VARYING_SIZE_VARYING_COLOR] = { datatoc_gpu_shader_2D_point_varying_size_varying_color_vert_glsl, datatoc_gpu_shader_point_varying_color_frag_glsl }, [GPU_SHADER_2D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA] = { datatoc_gpu_shader_2D_point_uniform_size_aa_vert_glsl, datatoc_gpu_shader_point_uniform_color_aa_frag_glsl }, [GPU_SHADER_2D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_OUTLINE_AA] = { datatoc_gpu_shader_2D_point_uniform_size_outline_aa_vert_glsl, datatoc_gpu_shader_point_uniform_color_outline_aa_frag_glsl }, [GPU_SHADER_2D_POINT_UNIFORM_SIZE_VARYING_COLOR_OUTLINE_AA] = { datatoc_gpu_shader_2D_point_uniform_size_varying_color_outline_aa_vert_glsl, datatoc_gpu_shader_point_varying_color_outline_aa_frag_glsl }, [GPU_SHADER_3D_POINT_FIXED_SIZE_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_vert_glsl, datatoc_gpu_shader_point_uniform_color_frag_glsl }, [GPU_SHADER_3D_POINT_FIXED_SIZE_VARYING_COLOR] = { datatoc_gpu_shader_3D_point_fixed_size_varying_color_vert_glsl, datatoc_gpu_shader_point_varying_color_frag_glsl }, [GPU_SHADER_3D_POINT_VARYING_SIZE_UNIFORM_COLOR] = { datatoc_gpu_shader_3D_point_varying_size_vert_glsl, datatoc_gpu_shader_point_uniform_color_frag_glsl }, [GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR] = { datatoc_gpu_shader_3D_point_varying_size_varying_color_vert_glsl, datatoc_gpu_shader_point_varying_color_frag_glsl }, [GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA] = { datatoc_gpu_shader_3D_point_uniform_size_aa_vert_glsl, datatoc_gpu_shader_point_uniform_color_aa_frag_glsl }, [GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_OUTLINE_AA] = { datatoc_gpu_shader_3D_point_uniform_size_outline_aa_vert_glsl, datatoc_gpu_shader_point_uniform_color_outline_aa_frag_glsl }, [GPU_SHADER_INSTANCE_UNIFORM_COLOR] = { datatoc_gpu_shader_instance_vert_glsl, datatoc_gpu_shader_uniform_color_frag_glsl }, [GPU_SHADER_INSTANCE_VARIYING_ID_VARIYING_SIZE] = { datatoc_gpu_shader_instance_variying_size_variying_id_vert_glsl, datatoc_gpu_shader_flat_id_frag_glsl }, [GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SIZE] = { datatoc_gpu_shader_instance_variying_size_variying_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SCALE] = { datatoc_gpu_shader_instance_variying_size_variying_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_INSTANCE_EDGES_VARIYING_COLOR] = { datatoc_gpu_shader_instance_edges_variying_color_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl, datatoc_gpu_shader_instance_edges_variying_color_geom_glsl}, [GPU_SHADER_2D_AREA_EDGES] = { datatoc_gpu_shader_2D_area_borders_vert_glsl, datatoc_gpu_shader_2D_area_borders_frag_glsl}, [GPU_SHADER_2D_WIDGET_BASE] = { datatoc_gpu_shader_2D_widget_base_vert_glsl, datatoc_gpu_shader_2D_widget_base_frag_glsl}, [GPU_SHADER_2D_WIDGET_BASE_INST] = { datatoc_gpu_shader_2D_widget_base_vert_glsl, datatoc_gpu_shader_2D_widget_base_frag_glsl}, [GPU_SHADER_2D_WIDGET_SHADOW] = { datatoc_gpu_shader_2D_widget_shadow_vert_glsl, datatoc_gpu_shader_2D_widget_shadow_frag_glsl }, [GPU_SHADER_2D_NODELINK] = { datatoc_gpu_shader_2D_nodelink_vert_glsl, datatoc_gpu_shader_2D_nodelink_frag_glsl }, [GPU_SHADER_2D_NODELINK_INST] = { datatoc_gpu_shader_2D_nodelink_vert_glsl, datatoc_gpu_shader_2D_nodelink_frag_glsl }, [GPU_SHADER_2D_UV_VERTS] = { datatoc_gpu_shader_2D_edituvs_points_vert_glsl, datatoc_gpu_shader_point_varying_color_varying_outline_aa_frag_glsl }, [GPU_SHADER_2D_UV_FACEDOTS] = { datatoc_gpu_shader_2D_edituvs_facedots_vert_glsl, datatoc_gpu_shader_point_varying_color_frag_glsl }, [GPU_SHADER_2D_UV_EDGES] = { datatoc_gpu_shader_2D_edituvs_edges_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_2D_UV_EDGES_SMOOTH] = { datatoc_gpu_shader_2D_edituvs_edges_vert_glsl, datatoc_gpu_shader_2D_smooth_color_frag_glsl }, [GPU_SHADER_2D_UV_FACES] = { datatoc_gpu_shader_2D_edituvs_faces_vert_glsl, datatoc_gpu_shader_flat_color_frag_glsl }, [GPU_SHADER_2D_UV_FACES_STRETCH] = { datatoc_gpu_shader_2D_edituvs_stretch_vert_glsl, datatoc_gpu_shader_2D_smooth_color_frag_glsl }, [GPU_SHADER_GPENCIL_STROKE] = { datatoc_gpu_shader_gpencil_stroke_vert_glsl, datatoc_gpu_shader_gpencil_stroke_frag_glsl, datatoc_gpu_shader_gpencil_stroke_geom_glsl }, [GPU_SHADER_GPENCIL_FILL] = { datatoc_gpu_shader_gpencil_fill_vert_glsl, datatoc_gpu_shader_gpencil_fill_frag_glsl }, }; /* just a few special cases */ static const char *gpu_shader_get_builtin_shader_defines( GPUBuiltinShader shader) { switch (shader) { case GPU_SHADER_2D_IMAGE_MULTISAMPLE_2: return "#define SAMPLES 2\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_2_DEPTH_TEST: return "#define SAMPLES 2\n" "#define USE_DEPTH\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_4: return "#define SAMPLES 4\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_4_DEPTH_TEST: return "#define SAMPLES 4\n" "#define USE_DEPTH\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_8: return "#define SAMPLES 8\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_8_DEPTH_TEST: return "#define SAMPLES 8\n" "#define USE_DEPTH\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_16: return "#define SAMPLES 16\n"; case GPU_SHADER_2D_IMAGE_MULTISAMPLE_16_DEPTH_TEST: return "#define SAMPLES 16\n" "#define USE_DEPTH\n"; case GPU_SHADER_2D_WIDGET_BASE_INST: case GPU_SHADER_2D_NODELINK_INST: return "#define USE_INSTANCE\n"; case GPU_SHADER_INSTANCE_VARIYING_ID_VARIYING_SIZE: case GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SIZE: return "#define UNIFORM_SCALE\n"; case GPU_SHADER_3D_INSTANCE_SCREEN_ALIGNED_AXIS: return "#define AXIS_NAME\n"; case GPU_SHADER_3D_OBJECTSPACE_SIMPLE_LIGHTING_VARIYING_COLOR: return "#define USE_INSTANCE_COLOR\n"; case GPU_SHADER_3D_FLAT_COLOR_U32: case GPU_SHADER_3D_UNIFORM_COLOR_U32: return "#define USE_COLOR_U32\n"; case GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR: return "#define USE_FLAT_NORMAL\n"; case GPU_SHADER_2D_UV_EDGES_SMOOTH: return "#define SMOOTH_COLOR\n"; default: return NULL; } } GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader) { BLI_assert(shader != GPU_NUM_BUILTIN_SHADERS); /* don't be a troll */ if (builtin_shaders[shader] == NULL) { const char *defines = gpu_shader_get_builtin_shader_defines(shader); const GPUShaderStages *stages = builtin_shader_stages + shader; if (shader == GPU_SHADER_EDGES_FRONT_BACK_PERSP && !GLEW_VERSION_3_2) { /* TODO: remove after switch to core profile (maybe) */ static const GPUShaderStages legacy_fancy_edges = { datatoc_gpu_shader_edges_front_back_persp_legacy_vert_glsl, datatoc_gpu_shader_flat_color_alpha_test_0_frag_glsl, }; stages = &legacy_fancy_edges; } 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_uniform_color_legacy_vert_glsl, datatoc_gpu_shader_2D_line_dashed_frag_glsl, }; stages = &legacy_dashed_lines; } /* common case */ builtin_shaders[shader] = GPU_shader_create(stages->vert, stages->frag, stages->geom, NULL, defines, __func__); } return builtin_shaders[shader]; } void GPU_shader_get_builtin_shader_code( GPUBuiltinShader shader, const char **r_vert, const char **r_frag, const char **r_geom, const char **r_defines) { const GPUShaderStages *stages = builtin_shader_stages + shader; *r_vert = stages->vert; *r_frag = stages->frag; *r_geom = stages->geom; *r_defines = gpu_shader_get_builtin_shader_defines(shader); } #define MAX_DEFINES 100 void GPU_shader_free_builtin_shaders(void) { for (int i = 0; i < GPU_NUM_BUILTIN_SHADERS; ++i) { if (builtin_shaders[i]) { GPU_shader_free(builtin_shaders[i]); builtin_shaders[i] = NULL; } } }