Adding transparent geometry to ray tracing

2024-07-17 10:40:40 +02:00
parent 75e9bc899c
commit 12001152d4
6 changed files with 42 additions and 14 deletions
@@ -75,6 +75,24 @@ void RayTracingPass::render() {
                }
            }
        }
+        for (const auto& transparentData : vertexData->getTransparentData()) {
+            PMaterial mat = transparentData.matInst->getBaseMaterial();
+
+            Gfx::ShaderPermutation permutation = graphics->getShaderCompiler()->getTemplate("RayTracing");
+            permutation.setMaterial(mat->getName());
+            permutation.setVertexData(vertexData->getTypeName());
+            const Gfx::ShaderCollection* collection = graphics->getShaderCompiler()->findShaders(Gfx::PermutationId(permutation));
+            assert(collection != nullptr);
+            Gfx::RayTracingHitGroup callableGroup = {
+                .closestHitShader = collection->callableShader,
+            };
+            callableGroup.parameters.resize(sizeof(VertexData::DrawCallOffsets));
+            std::memcpy(callableGroup.parameters.data(), &transparentData.offsets, sizeof(VertexData::DrawCallOffsets));
+            callableGroups.add(callableGroup);
+
+            instanceData.add(transparentData.instanceData);
+            accelerationStructures.add(transparentData.rayTracingScene);
+        }
    }
    pipeline = graphics->createRayTracingPipeline(Gfx::RayTracingPipelineCreateInfo{
        .pipelineLayout = pipelineLayout, .rayGenGroup = {.shader = rayGen}, .hitGroups = callableGroups, .missGroups = {{.shader = miss}},