diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_volumes.c')
| -rw-r--r-- | source/blender/draw/engines/eevee/eevee_volumes.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_volumes.c b/source/blender/draw/engines/eevee/eevee_volumes.c index 7026894076a..456673c92fa 100644 --- a/source/blender/draw/engines/eevee/eevee_volumes.c +++ b/source/blender/draw/engines/eevee/eevee_volumes.c @@ -54,6 +54,7 @@ static struct { struct GPUShader *scatter_with_lights_sh; struct GPUShader *volumetric_integration_sh; struct GPUShader *volumetric_resolve_sh; + struct GPUShader *volumetric_accum_sh; GPUTexture *depth_src; @@ -73,6 +74,7 @@ extern char datatoc_common_view_lib_glsl[]; extern char datatoc_octahedron_lib_glsl[]; extern char datatoc_irradiance_lib_glsl[]; extern char datatoc_lights_lib_glsl[]; +extern char datatoc_volumetric_accum_frag_glsl[]; extern char datatoc_volumetric_frag_glsl[]; extern char datatoc_volumetric_geom_glsl[]; extern char datatoc_volumetric_vert_glsl[]; @@ -136,6 +138,8 @@ static void eevee_create_shader_volumes(void) datatoc_volumetric_resolve_frag_glsl, e_data.volumetric_common_lib, NULL); + e_data.volumetric_accum_sh = DRW_shader_create_fullscreen(datatoc_volumetric_accum_frag_glsl, + NULL); 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); @@ -359,6 +363,8 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) DRW_shgroup_uniform_block(grp, "planar_block", sldata->planar_ubo); DRW_shgroup_uniform_block(grp, "light_block", sldata->light_ubo); DRW_shgroup_uniform_block(grp, "shadow_block", sldata->shadow_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); /* Fix principle volumetric not working with world materials. */ DRW_shgroup_uniform_texture(grp, "sampdensity", e_data.dummy_density); @@ -375,6 +381,8 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) /* If no world or volume material is present just clear the buffer with this drawcall */ grp = DRW_shgroup_create(e_data.volumetric_clear_sh, psl->volumetric_world_ps); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); } @@ -430,8 +438,12 @@ void EEVEE_volumes_cache_object_add(EEVEE_ViewLayerData *sldata, DRW_shgroup_uniform_block(grp, "shadow_block", sldata->shadow_ubo); DRW_shgroup_uniform_block(grp, "light_block", sldata->light_ubo); DRW_shgroup_uniform_block(grp, "grid_block", sldata->grid_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_uniform_vec3(grp, "volumeOrcoLoc", texcoloc, 1); DRW_shgroup_uniform_vec3(grp, "volumeOrcoSize", texcosize, 1); @@ -522,6 +534,8 @@ void EEVEE_volumes_cache_finish(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) DRW_shgroup_uniform_block(grp, "light_block", sldata->light_ubo); DRW_shgroup_uniform_block(grp, "shadow_block", sldata->shadow_ubo); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); @@ -530,6 +544,8 @@ void EEVEE_volumes_cache_finish(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) DRW_shgroup_uniform_texture_ref(grp, "volumeScattering", &txl->volume_scatter); 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, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_call_procedural_triangles( grp, NULL, USE_VOLUME_OPTI ? 1 : common_data->vol_tex_size[2]); @@ -540,6 +556,8 @@ void EEVEE_volumes_cache_finish(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) DRW_shgroup_uniform_texture_ref(grp, "inTransmittance", &txl->volume_transmit); 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, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } @@ -729,4 +747,75 @@ void EEVEE_volumes_free(void) DRW_SHADER_FREE_SAFE(e_data.scatter_with_lights_sh); DRW_SHADER_FREE_SAFE(e_data.volumetric_integration_sh); DRW_SHADER_FREE_SAFE(e_data.volumetric_resolve_sh); + DRW_SHADER_FREE_SAFE(e_data.volumetric_accum_sh); +} + +/* -------------------------------------------------------------------- */ + +/** \name Render Passes + * \{ */ + +void EEVEE_volumes_output_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, uint tot_samples) +{ + EEVEE_FramebufferList *fbl = vedata->fbl; + EEVEE_TextureList *txl = vedata->txl; + EEVEE_StorageList *stl = vedata->stl; + EEVEE_PassList *psl = vedata->psl; + EEVEE_EffectsInfo *effects = stl->effects; + + float clear[4] = {0.0f, 0.0f, 0.0f, 0.0f}; + + /* Create FrameBuffer. */ + + /* Should be enough precision for many samples. */ + const eGPUTextureFormat texture_format_accum = (tot_samples > 128) ? GPU_RGBA32F : GPU_RGBA16F; + DRW_texture_ensure_fullscreen_2d(&txl->volume_scatter_accum, texture_format_accum, 0); + DRW_texture_ensure_fullscreen_2d(&txl->volume_transmittance_accum, texture_format_accum, 0); + + GPU_framebuffer_ensure_config(&fbl->volumetric_accum_fb, + {GPU_ATTACHMENT_NONE, + GPU_ATTACHMENT_TEXTURE(txl->volume_scatter_accum), + GPU_ATTACHMENT_TEXTURE(txl->volume_transmittance_accum)}); + + /* Clear texture. */ + if (DRW_state_is_image_render() || effects->taa_current_sample == 1) { + GPU_framebuffer_bind(fbl->volumetric_accum_fb); + GPU_framebuffer_clear_color(fbl->volumetric_accum_fb, clear); + } + + /* Create Pass and shgroup. */ + DRW_PASS_CREATE(psl->volumetric_accum_ps, DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ADD_FULL); + DRWShadingGroup *grp = NULL; + if ((effects->enabled_effects & EFFECT_VOLUMETRIC) != 0) { + grp = DRW_shgroup_create(e_data.volumetric_resolve_sh, psl->volumetric_accum_ps); + 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, "inSceneDepth", &e_data.depth_src); + DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); + } + else { + /* There is no volumetrics in the scene. Use a shader to fill the accum textures with a default + * value. */ + grp = DRW_shgroup_create(e_data.volumetric_accum_sh, psl->volumetric_accum_ps); + } + DRW_shgroup_call(grp, DRW_cache_fullscreen_quad_get(), NULL); } + +void EEVEE_volumes_output_accumulate(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata) +{ + EEVEE_FramebufferList *fbl = vedata->fbl; + EEVEE_PassList *psl = vedata->psl; + + if (fbl->volumetric_accum_fb != NULL) { + /* Accum pass */ + GPU_framebuffer_bind(fbl->volumetric_accum_fb); + DRW_draw_pass(psl->volumetric_accum_ps); + + /* Restore */ + GPU_framebuffer_bind(fbl->main_fb); + } +} + +/* \} */ |