Campbell Barton
de13d0a80c
While \file doesn't need an argument, it can't have another doxy command after it.
317 lines
9.9 KiB
C
317 lines
9.9 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2016, Blender Foundation.
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*/
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/** \file
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* \ingroup draw_engine
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*/
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#include "DRW_render.h"
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#include "BLI_string_utils.h"
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#include "MEM_guardedalloc.h"
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#include "GPU_shader.h"
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#include "eevee_private.h"
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static const char *filter_defines = "#define HAMMERSLEY_SIZE " STRINGIFY(HAMMERSLEY_SIZE) "\n"
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#if defined(IRRADIANCE_SH_L2)
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"#define IRRADIANCE_SH_L2\n"
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#elif defined(IRRADIANCE_CUBEMAP)
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"#define IRRADIANCE_CUBEMAP\n"
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#elif defined(IRRADIANCE_HL2)
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"#define IRRADIANCE_HL2\n"
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#endif
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"#define NOISE_SIZE 64\n";
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static struct {
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/* Probes */
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struct GPUShader *probe_default_sh;
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struct GPUShader *probe_default_studiolight_sh;
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struct GPUShader *probe_grid_display_sh;
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struct GPUShader *probe_cube_display_sh;
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struct GPUShader *probe_planar_display_sh;
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struct GPUShader *probe_filter_glossy_sh;
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struct GPUShader *probe_filter_diffuse_sh;
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struct GPUShader *probe_filter_visibility_sh;
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struct GPUShader *probe_grid_fill_sh;
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struct GPUShader *probe_planar_downsample_sh;
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/* Velocity Resolve */
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struct GPUShader *velocity_resolve_sh;
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/* Temporal Anti Aliasing */
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struct GPUShader *taa_resolve_sh;
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struct GPUShader *taa_resolve_reproject_sh;
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} e_data = {NULL}; /* Engine data */
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extern char datatoc_bsdf_common_lib_glsl[];
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extern char datatoc_bsdf_sampling_lib_glsl[];
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extern char datatoc_common_uniforms_lib_glsl[];
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extern char datatoc_common_view_lib_glsl[];
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extern char datatoc_background_vert_glsl[];
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extern char datatoc_default_world_frag_glsl[];
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extern char datatoc_lightprobe_geom_glsl[];
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extern char datatoc_lightprobe_vert_glsl[];
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extern char datatoc_lightprobe_cube_display_frag_glsl[];
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extern char datatoc_lightprobe_cube_display_vert_glsl[];
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extern char datatoc_lightprobe_filter_diffuse_frag_glsl[];
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extern char datatoc_lightprobe_filter_glossy_frag_glsl[];
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extern char datatoc_lightprobe_filter_visibility_frag_glsl[];
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extern char datatoc_lightprobe_grid_display_frag_glsl[];
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extern char datatoc_lightprobe_grid_display_vert_glsl[];
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extern char datatoc_lightprobe_grid_fill_frag_glsl[];
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extern char datatoc_lightprobe_planar_display_frag_glsl[];
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extern char datatoc_lightprobe_planar_display_vert_glsl[];
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extern char datatoc_lightprobe_planar_downsample_frag_glsl[];
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extern char datatoc_lightprobe_planar_downsample_geom_glsl[];
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extern char datatoc_lightprobe_planar_downsample_vert_glsl[];
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extern char datatoc_irradiance_lib_glsl[];
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extern char datatoc_lightprobe_lib_glsl[];
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extern char datatoc_octahedron_lib_glsl[];
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/* Velocity Resolve */
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extern char datatoc_effect_velocity_resolve_frag_glsl[];
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/* Temporal Sampling */
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extern char datatoc_effect_temporal_aa_glsl[];
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/* *********** FUNCTIONS *********** */
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void EEVEE_shaders_lightprobe_shaders_init(void)
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{
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BLI_assert(e_data.probe_filter_glossy_sh == NULL);
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char *shader_str = NULL;
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shader_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_common_uniforms_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_bsdf_sampling_lib_glsl,
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datatoc_lightprobe_filter_glossy_frag_glsl);
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e_data.probe_filter_glossy_sh = DRW_shader_create(
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datatoc_lightprobe_vert_glsl, datatoc_lightprobe_geom_glsl, shader_str, filter_defines);
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e_data.probe_default_sh = DRW_shader_create(
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datatoc_background_vert_glsl, NULL, datatoc_default_world_frag_glsl, NULL);
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MEM_freeN(shader_str);
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shader_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_common_uniforms_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_bsdf_sampling_lib_glsl,
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datatoc_lightprobe_filter_diffuse_frag_glsl);
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e_data.probe_filter_diffuse_sh = DRW_shader_create_fullscreen(shader_str, filter_defines);
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MEM_freeN(shader_str);
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shader_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_common_uniforms_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_bsdf_sampling_lib_glsl,
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datatoc_lightprobe_filter_visibility_frag_glsl);
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e_data.probe_filter_visibility_sh = DRW_shader_create_fullscreen(shader_str, filter_defines);
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MEM_freeN(shader_str);
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e_data.probe_grid_fill_sh = DRW_shader_create_fullscreen(
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datatoc_lightprobe_grid_fill_frag_glsl, filter_defines);
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e_data.probe_planar_downsample_sh = DRW_shader_create(
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datatoc_lightprobe_planar_downsample_vert_glsl,
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datatoc_lightprobe_planar_downsample_geom_glsl,
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datatoc_lightprobe_planar_downsample_frag_glsl,
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NULL);
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}
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GPUShader *EEVEE_shaders_probe_filter_glossy_sh_get(void)
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{
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return e_data.probe_filter_glossy_sh;
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}
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GPUShader *EEVEE_shaders_probe_default_sh_get(void)
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{
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return e_data.probe_default_sh;
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}
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GPUShader *EEVEE_shaders_probe_filter_diffuse_sh_get(void)
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{
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return e_data.probe_filter_diffuse_sh;
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}
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GPUShader *EEVEE_shaders_probe_filter_visibility_sh_get(void)
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{
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return e_data.probe_filter_visibility_sh;
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}
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GPUShader *EEVEE_shaders_probe_grid_fill_sh_get(void)
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{
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return e_data.probe_grid_fill_sh;
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}
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GPUShader *EEVEE_shaders_probe_planar_downsample_sh_get(void)
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{
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return e_data.probe_planar_downsample_sh;
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}
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GPUShader *EEVEE_shaders_default_studiolight_sh_get(void)
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{
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if (e_data.probe_default_studiolight_sh == NULL) {
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e_data.probe_default_studiolight_sh = DRW_shader_create(
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datatoc_background_vert_glsl, NULL, datatoc_default_world_frag_glsl, "#define LOOKDEV\n");
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}
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return e_data.probe_default_studiolight_sh;
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}
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GPUShader *EEVEE_shaders_probe_cube_display_sh_get(void)
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{
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if (e_data.probe_cube_display_sh == NULL) {
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char *shader_str = BLI_string_joinN(
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datatoc_octahedron_lib_glsl,
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datatoc_common_view_lib_glsl,
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datatoc_common_uniforms_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_lightprobe_lib_glsl,
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datatoc_lightprobe_cube_display_frag_glsl);
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char *vert_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_lightprobe_cube_display_vert_glsl);
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e_data.probe_cube_display_sh = DRW_shader_create(vert_str, NULL, shader_str, SHADER_DEFINES);
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MEM_freeN(vert_str);
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MEM_freeN(shader_str);
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}
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return e_data.probe_cube_display_sh;
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}
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GPUShader *EEVEE_shaders_probe_grid_display_sh_get(void)
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{
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if (e_data.probe_grid_display_sh == NULL ) {
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char *shader_str = BLI_string_joinN(
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datatoc_octahedron_lib_glsl,
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datatoc_common_view_lib_glsl,
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datatoc_common_uniforms_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_irradiance_lib_glsl,
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datatoc_lightprobe_lib_glsl,
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datatoc_lightprobe_grid_display_frag_glsl);
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char *vert_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_lightprobe_grid_display_vert_glsl);
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e_data.probe_grid_display_sh = DRW_shader_create(vert_str, NULL, shader_str, filter_defines);
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MEM_freeN(vert_str);
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MEM_freeN(shader_str);
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}
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return e_data.probe_grid_display_sh;
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}
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GPUShader *EEVEE_shaders_probe_planar_display_sh_get(void)
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{
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if (e_data.probe_planar_display_sh == NULL) {
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char *vert_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_lightprobe_planar_display_vert_glsl);
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char *shader_str = BLI_string_joinN(
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datatoc_common_view_lib_glsl,
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datatoc_lightprobe_planar_display_frag_glsl);
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e_data.probe_planar_display_sh = DRW_shader_create(vert_str, NULL, shader_str, NULL);
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MEM_freeN(vert_str);
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MEM_freeN(shader_str);
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}
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return e_data.probe_planar_display_sh;
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}
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GPUShader *EEVEE_shaders_velocity_resolve_sh_get(void)
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{
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if (e_data.velocity_resolve_sh == NULL) {
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char *frag_str = BLI_string_joinN(
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datatoc_common_uniforms_lib_glsl,
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datatoc_common_view_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_effect_velocity_resolve_frag_glsl);
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e_data.velocity_resolve_sh = DRW_shader_create_fullscreen(frag_str, NULL);
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MEM_freeN(frag_str);
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}
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return e_data.velocity_resolve_sh;
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}
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GPUShader *EEVEE_shaders_taa_resolve_sh_get(EEVEE_EffectsFlag enabled_effects)
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{
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GPUShader **sh;
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const char *define = NULL;
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if (enabled_effects & EFFECT_TAA_REPROJECT) {
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sh = &e_data.taa_resolve_reproject_sh;
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define = "#define USE_REPROJECTION\n";
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}
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else {
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sh = &e_data.taa_resolve_sh;
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}
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if (*sh == NULL) {
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char *frag_str = BLI_string_joinN(
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datatoc_common_uniforms_lib_glsl,
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datatoc_common_view_lib_glsl,
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datatoc_bsdf_common_lib_glsl,
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datatoc_effect_temporal_aa_glsl);
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*sh = DRW_shader_create_fullscreen(frag_str, define);
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MEM_freeN(frag_str);
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}
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return *sh;
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}
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void EEVEE_shaders_free(void)
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{
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DRW_SHADER_FREE_SAFE(e_data.probe_default_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_filter_glossy_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_filter_diffuse_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_filter_visibility_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_grid_fill_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_planar_downsample_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_default_studiolight_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_grid_display_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_cube_display_sh);
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DRW_SHADER_FREE_SAFE(e_data.probe_planar_display_sh);
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DRW_SHADER_FREE_SAFE(e_data.velocity_resolve_sh);
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DRW_SHADER_FREE_SAFE(e_data.taa_resolve_sh);
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DRW_SHADER_FREE_SAFE(e_data.taa_resolve_reproject_sh);
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}
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