diff options
Diffstat (limited to 'source/blender/draw/intern/draw_builtin_shader.c')
| -rw-r--r-- | source/blender/draw/intern/draw_builtin_shader.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/source/blender/draw/intern/draw_builtin_shader.c b/source/blender/draw/intern/draw_builtin_shader.c deleted file mode 100644 index 5da2271cf16..00000000000 --- a/source/blender/draw/intern/draw_builtin_shader.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * 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. - */ - -/** \file draw_builtin_shader.c - * \ingroup draw - * Draw manager versions of #eGPUBuiltinShader, see #GPU_shader_get_builtin_shader. - * - * Allows for modifications to shaders (currently only clipping support). - * Follow GPU_shader.h conventions to avoid annoyance. - */ - -#include "BLI_utildefines.h" - -#include "GPU_shader.h" - -#include "DRW_render.h" - -#include "draw_builtin_shader.h" /* own include */ - - -extern char datatoc_common_world_clip_lib_glsl[]; - -/* Add shaders to this list when support is added. */ -#define GPU_SHADER_IS_SUPPORTED(shader_id) \ - ELEM(shader_id, \ - GPU_SHADER_3D_UNIFORM_COLOR, \ - GPU_SHADER_3D_SMOOTH_COLOR, \ - GPU_SHADER_3D_DEPTH_ONLY, \ - GPU_SHADER_CAMERA, \ - GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SIZE, \ - GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SCALE, \ - GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_OUTLINE_AA, \ - GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA, \ - GPU_SHADER_3D_SCREENSPACE_VARIYING_COLOR, \ - GPU_SHADER_3D_INSTANCE_SCREEN_ALIGNED, \ - GPU_SHADER_3D_GROUNDLINE, \ - GPU_SHADER_3D_GROUNDPOINT, \ - GPU_SHADER_DISTANCE_LINES, \ - GPU_SHADER_INSTANCE_EDGES_VARIYING_COLOR) - -/* cache of built-in shaders (each is created on first use) */ -static struct { - GPUShader *builtin_shaders[GPU_NUM_BUILTIN_SHADERS]; -} g_sh_data[DRW_SHADER_SLOT_LEN - 1] = {{{NULL}}}; - -static GPUShader *drw_shader_get_builtin_shader_clipped(eGPUBuiltinShader shader_id) -{ - const char *world_clip_lib = datatoc_common_world_clip_lib_glsl; - const char *world_clip_def = "#define USE_WORLD_CLIP_PLANES\n"; - - struct { const char *vert, *frag, *geom, *defs; } shader_code; - GPU_shader_get_builtin_shader_code( - shader_id, - &shader_code.vert, - &shader_code.frag, - &shader_code.geom, - &shader_code.defs); - - /* In rare cases geometry shaders calculate clipping themselves. */ - return DRW_shader_create_from_arrays({ - .vert = (const char *[]){world_clip_lib, shader_code.vert, NULL}, - .geom = (const char *[]){shader_code.geom ? world_clip_lib : NULL, shader_code.geom, NULL}, - .frag = (const char *[]){shader_code.frag, NULL}, - .defs = (const char *[]){world_clip_def, shader_code.defs, NULL}, - }); -} - -GPUShader *DRW_shader_get_builtin_shader(eGPUBuiltinShader shader_id, eDRW_ShaderSlot slot) -{ - BLI_assert(GPU_SHADER_IS_SUPPORTED(shader_id)); - - if (slot == DRW_SHADER_SLOT_DEFAULT) { - return GPU_shader_get_builtin_shader(shader_id); - } - - GPUShader **builtin_shaders = g_sh_data[slot - 1].builtin_shaders; - - if (builtin_shaders[shader_id] != NULL) { - return builtin_shaders[shader_id]; - } - - if (slot == DRW_SHADER_SLOT_CLIPPED) { - builtin_shaders[shader_id] = drw_shader_get_builtin_shader_clipped(shader_id); - return builtin_shaders[shader_id]; - } - else { - BLI_assert(0); - return NULL; - } -} - -void DRW_shader_free_builtin_shaders(void) -{ - for (int j = 0; j < (DRW_SHADER_SLOT_LEN - 1); j++) { - GPUShader **builtin_shaders = g_sh_data[j].builtin_shaders; - for (int i = 0; i < GPU_NUM_BUILTIN_SHADERS; i++) { - if (builtin_shaders[i]) { - GPU_shader_free(builtin_shaders[i]); - builtin_shaders[i] = NULL; - } - } - } -} |