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Differential D4455 Diff 14275 source/blender/draw/engines/eevee/eevee_occlusion.c

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

Show First 20 Lines • Show All 189 Lines • ▼ Show 20 Lines if ((effects->enabled_effects & EFFECT_GTAO) != 0) {
* We separate the computation into 2 steps. * We separate the computation into 2 steps.
* *
* - First we scan the neighborhood pixels to find the maximum horizon angle. * - First we scan the neighborhood pixels to find the maximum horizon angle.
* We save this angle in a RG8 array texture. * We save this angle in a RG8 array texture.
* *
* - Then we use this angle to compute occlusion with the shading normal at * - Then we use this angle to compute occlusion with the shading normal at
* the shading stage. This let us do correct shadowing for each diffuse / specular * the shading stage. This let us do correct shadowing for each diffuse / specular
* lobe present in the shader using the correct normal. * lobe present in the shader using the correct normal.
**/ */
psl->ao_horizon_search = DRW_pass_create("GTAO Horizon Search", DRW_STATE_WRITE_COLOR); psl->ao_horizon_search = DRW_pass_create("GTAO Horizon Search", DRW_STATE_WRITE_COLOR);
DRWShadingGroup *grp = DRW_shgroup_create(e_data.gtao_sh, psl->ao_horizon_search); DRWShadingGroup *grp = DRW_shgroup_create(e_data.gtao_sh, psl->ao_horizon_search);
DRW_shgroup_uniform_texture(grp, "utilTex", EEVEE_materials_get_util_tex()); DRW_shgroup_uniform_texture(grp, "utilTex", EEVEE_materials_get_util_tex());
DRW_shgroup_uniform_texture_ref(grp, "maxzBuffer", &txl->maxzbuffer); DRW_shgroup_uniform_texture_ref(grp, "maxzBuffer", &txl->maxzbuffer);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &effects->ao_src_depth); DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &effects->ao_src_depth);
DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo);
DRW_shgroup_call_add(grp, quad, NULL); DRW_shgroup_call_add(grp, quad, NULL);
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