visibility buffer works

Author: devshgraphicsprogramming

examples_tests/22.RaytracedAO/cull.comp

@@ -45,7 +45,7 @@ void main()
         return;
 
     const mat4x3 worldMatrix = cullData[globalObjectID].worldMatrix;
-    const uint drawID = floatBitsToUint(cullData[globalObjectID].drawID);
+    const uint drawID = cullData[globalObjectID].drawID;
 
     // clear drawcount for next buffer
     commandBuff[pc.data.currentCommandBufferIx^0x1u].draws[drawID].instanceCount = 0u;

examples_tests/22.RaytracedAO/dirty_source/ExtraCrap.cpp

@@ -411,11 +411,14 @@ Renderer::InitializationData Renderer::initSceneObjects(const SAssetBundle& mesh
 						else
 						{
 							vertexInputParams.enabledAttribFlags &= 0b1101u;
+							asset::SPrimitiveAssemblyParams assemblyParams;
+							assemblyParams.primitiveType = oldPipeline->getPrimitiveAssemblyParams().primitiveType;
 							asset::SRasterizationParams rasterParams;
-							rasterParams.frontFaceIsCCW = frontFaceIsCCW;
+							rasterParams.faceCullingMode = EFCM_NONE;
+							rasterParams.frontFaceIsCCW = !frontFaceIsCCW; // compensate for Nabla's default camer being left handed
 							newPipeline = core::make_smart_refctd_ptr<ICPURenderpassIndependentPipeline>(
 								core::smart_refctd_ptr(m_visibilityBufferFillPipelineLayoutCPU), shaders, shaders + 2u,
-								vertexInputParams, asset::SBlendParams{}, asset::SPrimitiveAssemblyParams{}, rasterParams
+								vertexInputParams, asset::SBlendParams{}, assemblyParams, rasterParams
 								);
 							visibilityBufferFillPipelines.emplace(VisibilityBufferPipelineKey{ vertexInputParams,frontFaceIsCCW }, core::smart_refctd_ptr(newPipeline));
 						}
@@ -1084,7 +1087,7 @@ void Renderer::render(irr::ITimer* timer)
 		{ // clear
 			m_driver->clearZBuffer();
 			uint32_t clearTriangleID[4] = {0xffffffffu,0,0,0};
-			m_driver->clearColorBuffer(EFAP_COLOR_ATTACHMENT2, clearTriangleID);
+			m_driver->clearColorBuffer(EFAP_COLOR_ATTACHMENT0, clearTriangleID);
 			float zero[4] = { 0.f,0.f,0.f,0.f };
 			m_driver->clearColorBuffer(EFAP_COLOR_ATTACHMENT1, zero);
 			m_driver->clearColorBuffer(EFAP_COLOR_ATTACHMENT2, zero);

include/irr/asset/IMeshManipulator.h

@@ -321,7 +321,7 @@ namespace asset
 				if (iota)
 					correctlyOffsetIndexBufferPtr = iotaUint32Buffer->getPointer();
 				else
-					correctlyOffsetIndexBufferPtr = reinterpret_cast<uint8_t*>(cpumb->getIndexBufferBinding()->buffer->getPointer())+cpumb->getIndexBufferBinding()->offset;
+					correctlyOffsetIndexBufferPtr = cpumb->getIndices();
 				switch (params.primitiveType)
 				{
 					case EPT_LINE_STRIP:
@@ -339,15 +339,16 @@ namespace asset
 							newIndexBuffer = core::smart_refctd_ptr(iotaUint32Buffer);
 						else if (indexType!=outIndexType)
 						{
-							newIndexBuffer = core::make_smart_refctd_ptr<ICPUBuffer>(sizeof(uint32_t)*indexCount);
 							if (indexType==EIT_16BIT)
 							{
 								auto inPtr = reinterpret_cast<const uint16_t*>(correctlyOffsetIndexBufferPtr);
+								newIndexBuffer = core::make_smart_refctd_ptr<ICPUBuffer>(sizeof(uint32_t)*indexCount);
 								std::copy(inPtr,inPtr+indexCount,reinterpret_cast<uint32_t*>(newIndexBuffer->getPointer()));
 							}
 							else
 							{
 								auto inPtr = reinterpret_cast<const uint32_t*>(correctlyOffsetIndexBufferPtr);
+								newIndexBuffer = core::make_smart_refctd_ptr<ICPUBuffer>(sizeof(uint16_t)*indexCount);
 								std::copy(inPtr,inPtr+indexCount,reinterpret_cast<uint16_t*>(newIndexBuffer->getPointer()));
 							}
 						}