Page MenuHome
Differential D5740 Diff 18034 source/blender/draw/engines/eevee/eevee_volumes.c

Changeset View

Standalone View

View Options

source/blender/draw/engines/eevee/eevee_volumes.c

Show First 20 Lines • Show All 76 Lines • ▼ Show 20 Lines
extern char datatoc_volumetric_geom_glsl[]; extern char datatoc_volumetric_geom_glsl[];
extern char datatoc_volumetric_vert_glsl[]; extern char datatoc_volumetric_vert_glsl[];
extern char datatoc_volumetric_resolve_frag_glsl[]; extern char datatoc_volumetric_resolve_frag_glsl[];
extern char datatoc_volumetric_scatter_frag_glsl[]; extern char datatoc_volumetric_scatter_frag_glsl[];
extern char datatoc_volumetric_integration_frag_glsl[]; extern char datatoc_volumetric_integration_frag_glsl[];
extern char datatoc_volumetric_lib_glsl[]; extern char datatoc_volumetric_lib_glsl[];
extern char datatoc_common_fullscreen_vert_glsl[]; extern char datatoc_common_fullscreen_vert_glsl[];
#define USE_VOLUME_OPTI (GLEW_ARB_shader_image_load_store && GLEW_ARB_shading_language_420pack)
static void eevee_create_shader_volumes(void) static void eevee_create_shader_volumes(void)
{ {
e_data.volumetric_common_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, e_data.volumetric_common_lib = BLI_string_joinN(datatoc_common_view_lib_glsl,
datatoc_common_uniforms_lib_glsl, datatoc_common_uniforms_lib_glsl,
datatoc_bsdf_common_lib_glsl, datatoc_bsdf_common_lib_glsl,
datatoc_volumetric_lib_glsl); datatoc_volumetric_lib_glsl);
e_data.volumetric_common_lights_lib = BLI_string_joinN(datatoc_common_view_lib_glsl, e_data.volumetric_common_lights_lib = BLI_string_joinN(datatoc_common_view_lib_glsl,
Show All 25 Lines e_data.scatter_with_lights_sh = DRW_shader_create_with_lib(datatoc_volumetric_vert_glsl,
"#define VOLUMETRICS\n" "#define VOLUMETRICS\n"
"#define VOLUME_LIGHTING\n" "#define VOLUME_LIGHTING\n"
"#define VOLUME_SHADOW\n"); "#define VOLUME_SHADOW\n");
e_data.volumetric_integration_sh = DRW_shader_create_with_lib( e_data.volumetric_integration_sh = DRW_shader_create_with_lib(
datatoc_volumetric_vert_glsl, datatoc_volumetric_vert_glsl,
datatoc_volumetric_geom_glsl, datatoc_volumetric_geom_glsl,
datatoc_volumetric_integration_frag_glsl, datatoc_volumetric_integration_frag_glsl,
e_data.volumetric_common_lib, e_data.volumetric_common_lib,
USE_VOLUME_OPTI ? "#extension GL_ARB_shader_image_load_store: enable\n"
"#extension GL_ARB_shading_language_420pack: enable\n"
"#define USE_VOLUME_OPTI\n" :
NULL); NULL);
e_data.volumetric_resolve_sh = DRW_shader_create_with_lib(datatoc_common_fullscreen_vert_glsl, e_data.volumetric_resolve_sh = DRW_shader_create_with_lib(datatoc_common_fullscreen_vert_glsl,
NULL, NULL,
datatoc_volumetric_resolve_frag_glsl, datatoc_volumetric_resolve_frag_glsl,
e_data.volumetric_common_lib, e_data.volumetric_common_lib,
NULL); NULL);
float color[4] = {1.0f, 1.0f, 1.0f, 1.0f}; float color[4] = {1.0f, 1.0f, 1.0f, 1.0f};
e_data.dummy_density = DRW_texture_create_3d(1, 1, 1, GPU_RGBA8, DRW_TEX_WRAP, color); e_data.dummy_density = DRW_texture_create_3d(1, 1, 1, GPU_RGBA8, DRW_TEX_WRAP, color);
▲ Show 20 Lines • Show All 369 Lines • ▼ Show 20 Lines if ((effects->enabled_effects & EFFECT_VOLUMETRIC) != 0) {
DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]);
DRW_PASS_CREATE(psl->volumetric_integration_ps, DRW_STATE_WRITE_COLOR); DRW_PASS_CREATE(psl->volumetric_integration_ps, DRW_STATE_WRITE_COLOR);
grp = DRW_shgroup_create(e_data.volumetric_integration_sh, psl->volumetric_integration_ps); grp = DRW_shgroup_create(e_data.volumetric_integration_sh, psl->volumetric_integration_ps);
DRW_shgroup_uniform_texture_ref(grp, "volumeScattering", &txl->volume_scatter); DRW_shgroup_uniform_texture_ref(grp, "volumeScattering", &txl->volume_scatter);
DRW_shgroup_uniform_texture_ref(grp, "volumeExtinction", &txl->volume_transmit); DRW_shgroup_uniform_texture_ref(grp, "volumeExtinction", &txl->volume_transmit);
DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo);
DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); DRW_shgroup_call_procedural_triangles(
grp, NULL, USE_VOLUME_OPTI ? 1 : common_data->vol_tex_size[2]);
DRW_PASS_CREATE(psl->volumetric_resolve_ps, DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_CUSTOM); DRW_PASS_CREATE(psl->volumetric_resolve_ps, DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_CUSTOM);
grp = DRW_shgroup_create(e_data.volumetric_resolve_sh, psl->volumetric_resolve_ps); grp = DRW_shgroup_create(e_data.volumetric_resolve_sh, psl->volumetric_resolve_ps);
DRW_shgroup_uniform_texture_ref(grp, "inScattering", &txl->volume_scatter); DRW_shgroup_uniform_texture_ref(grp, "inScattering", &txl->volume_scatter);
DRW_shgroup_uniform_texture_ref(grp, "inTransmittance", &txl->volume_transmit); DRW_shgroup_uniform_texture_ref(grp, "inTransmittance", &txl->volume_transmit);
DRW_shgroup_uniform_texture_ref(grp, "inSceneDepth", &e_data.depth_src); DRW_shgroup_uniform_texture_ref(grp, "inSceneDepth", &e_data.depth_src);
DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo);
▲ Show 20 Lines • Show All 95 Lines • ▼ Show 20 Lines if ((effects->enabled_effects & EFFECT_VOLUMETRIC) != 0) {
GPU_framebuffer_bind(fbl->volumetric_fb); GPU_framebuffer_bind(fbl->volumetric_fb);
DRW_draw_pass(psl->volumetric_world_ps); DRW_draw_pass(psl->volumetric_world_ps);
DRW_draw_pass(psl->volumetric_objects_ps); DRW_draw_pass(psl->volumetric_objects_ps);
GPU_framebuffer_bind(fbl->volumetric_scat_fb); GPU_framebuffer_bind(fbl->volumetric_scat_fb);
DRW_draw_pass(psl->volumetric_scatter_ps); DRW_draw_pass(psl->volumetric_scatter_ps);
if (USE_VOLUME_OPTI) {
int tex_scatter = GPU_texture_opengl_bindcode(txl->volume_scatter_history);
int tex_transmit = GPU_texture_opengl_bindcode(txl->volume_transmit_history);
/* TODO(fclem) Encapsulate these GL calls into DRWManager. */
glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
/* Subtility here! we need to tell the GL that the texture is layered (GL_TRUE)
* in order to bind the full 3D texture and not just a 2D slice. */
glBindImageTexture(0, tex_scatter, 0, GL_TRUE, 0, GL_WRITE_ONLY, GL_R11F_G11F_B10F);
glBindImageTexture(1, tex_transmit, 0, GL_TRUE, 0, GL_WRITE_ONLY, GL_R11F_G11F_B10F);
GPU_framebuffer_bind(fbl->volumetric_fb);
}
else {
GPU_framebuffer_bind(fbl->volumetric_integ_fb); GPU_framebuffer_bind(fbl->volumetric_integ_fb);
}
DRW_draw_pass(psl->volumetric_integration_ps); DRW_draw_pass(psl->volumetric_integration_ps);
if (USE_VOLUME_OPTI) {
glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
glBindImageTexture(0, 0, 0, GL_TRUE, 0, GL_WRITE_ONLY, GL_R11F_G11F_B10F);
glBindImageTexture(1, 0, 0, GL_TRUE, 0, GL_WRITE_ONLY, GL_R11F_G11F_B10F);
}
SWAP(struct GPUFrameBuffer *, fbl->volumetric_scat_fb, fbl->volumetric_integ_fb); SWAP(struct GPUFrameBuffer *, fbl->volumetric_scat_fb, fbl->volumetric_integ_fb);
SWAP(GPUTexture *, txl->volume_scatter, txl->volume_scatter_history); SWAP(GPUTexture *, txl->volume_scatter, txl->volume_scatter_history);
SWAP(GPUTexture *, txl->volume_transmit, txl->volume_transmit_history); SWAP(GPUTexture *, txl->volume_transmit, txl->volume_transmit_history);
effects->volume_scatter = txl->volume_scatter; effects->volume_scatter = txl->volume_scatter;
effects->volume_transmit = txl->volume_transmit; effects->volume_transmit = txl->volume_transmit;
/* Restore */ /* Restore */
▲ Show 20 Lines • Show All 53 Lines • Show Last 20 Lines