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Basic light culling but without the culling

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Dynamitos
2021-06-12 18:51:29 +02:00
parent 22adb08bfc
commit 7f019a28b4
17 changed files with 122 additions and 63 deletions
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src/Engine/Graphics/RenderPass/LightCullingPass.cpp
+46 -14
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@@ -42,7 +42,6 @@ void LightCullingPass::beginFrame()
counterReset.size = sizeof(uint32);
oLightIndexCounter->updateContents(counterReset);
tLightIndexCounter->updateContents(counterReset);
cullingDescriptorLayout->reset();
lightEnvDescriptorLayout->reset();
@@ -58,6 +57,12 @@ void LightCullingPass::beginFrame()
cullingDescriptorSet->updateBuffer(7, tLightIndexList);
cullingDescriptorSet->updateTexture(8, oLightGrid);
cullingDescriptorSet->updateTexture(9, tLightGrid);
lightEnvDescriptorSet->updateBuffer(0, directLightBuffer);
lightEnvDescriptorSet->updateBuffer(1, numDirLightBuffer);
lightEnvDescriptorSet->updateBuffer(2, pointLightBuffer);
lightEnvDescriptorSet->updateBuffer(3, numPointLightBuffer);
lightEnvDescriptorSet->writeChanges();
}
void LightCullingPass::render()
@@ -75,8 +80,6 @@ void LightCullingPass::render()
depthAttachment->transferOwnership(Gfx::QueueType::COMPUTE);
cullingDescriptorSet->updateTexture(2, depthAttachment);
cullingDescriptorSet->writeChanges();
lightEnvDescriptorSet->updateBuffer(0, scene->getLightBuffer());
lightEnvDescriptorSet->writeChanges();
Gfx::PComputeCommand computeCommand = graphics->createComputeCommand("CullingCommand");
computeCommand->bindPipeline(cullingPipeline);
Array<Gfx::PDescriptorSet> descriptorSets = {cullingDescriptorSet, lightEnvDescriptorSet};
@@ -103,26 +106,50 @@ void LightCullingPass::publishOutputs()
dispatchParams.numThreads = numThreadGroups * glm::uvec3(BLOCK_SIZE, BLOCK_SIZE, 1);
BulkResourceData resourceData;
StructuredBufferCreateInfo createInfo;
StructuredBufferCreateInfo structInfo;
uint32 counterReset = 0;
resourceData.size = sizeof(uint32);
resourceData.data = (uint8*)&counterReset;
resourceData.owner = Gfx::QueueType::COMPUTE;
createInfo.bDynamic = true;
createInfo.resourceData = resourceData;
oLightIndexCounter = graphics->createStructuredBuffer(createInfo);
tLightIndexCounter = graphics->createStructuredBuffer(createInfo);
structInfo.bDynamic = true;
structInfo.resourceData = resourceData;
oLightIndexCounter = graphics->createStructuredBuffer(structInfo);
tLightIndexCounter = graphics->createStructuredBuffer(structInfo);
resourceData.data = nullptr;
resourceData.size = sizeof(uint32_t)
* dispatchParams.numThreadGroups.x
* dispatchParams.numThreadGroups.y
* dispatchParams.numThreadGroups.z * 200;
createInfo.resourceData = resourceData;
createInfo.bDynamic = false;
oLightIndexList = graphics->createStructuredBuffer(createInfo);
tLightIndexList = graphics->createStructuredBuffer(createInfo);
structInfo.resourceData = resourceData;
structInfo.bDynamic = false;
oLightIndexList = graphics->createStructuredBuffer(structInfo);
tLightIndexList = graphics->createStructuredBuffer(structInfo);
renderGraph->registerBufferOutput("LIGHTCULLING_OLIGHTLIST", oLightIndexList);
renderGraph->registerBufferOutput("LIGHTCULLING_TLIGHTLIST", tLightIndexList);
const LightEnv& lightEnv = scene->getLightBuffer();
resourceData.size = sizeof(DirectionalLight) * MAX_DIRECTIONAL_LIGHTS;
resourceData.data = (uint8*)&lightEnv.directionalLights;
structInfo.resourceData = resourceData;
structInfo.bDynamic = true;
directLightBuffer = graphics->createStructuredBuffer(structInfo);
resourceData.size = sizeof(PointLight) * MAX_POINT_LIGHTS;
resourceData.data = (uint8*)&lightEnv.pointLights;
structInfo.resourceData = resourceData;
pointLightBuffer = graphics->createStructuredBuffer(structInfo);
UniformBufferCreateInfo uniformInfo;
resourceData.size = sizeof(uint32);
resourceData.data = (uint8*)&lightEnv.numDirectionalLights;
uniformInfo.resourceData = resourceData;
uniformInfo.bDynamic = true;
numDirLightBuffer = graphics->createUniformBuffer(uniformInfo);
resourceData.data = (uint8*)&lightEnv.numPointLights;
uniformInfo.resourceData = resourceData;
uniformInfo.bDynamic = true;
numPointLightBuffer = graphics->createUniformBuffer(uniformInfo);
renderGraph->registerBufferOutput("DIRECTIONAL_LIGHTS", directLightBuffer);
renderGraph->registerUniformOutput("NUM_DIRECTIONAL_LIGHTS", numDirLightBuffer);
renderGraph->registerBufferOutput("POINT_LIGHTS", pointLightBuffer);
renderGraph->registerUniformOutput("NUM_POINT_LIGHTS", numPointLightBuffer);
TextureCreateInfo textureInfo;
textureInfo.width = dispatchParams.numThreadGroups.x;
textureInfo.height = dispatchParams.numThreadGroups.y;
@@ -132,6 +159,7 @@ void LightCullingPass::publishOutputs()
tLightGrid = graphics->createTexture2D(textureInfo);
renderGraph->registerTextureOutput("LIGHTCULLING_OLIGHTGRID", oLightGrid);
renderGraph->registerTextureOutput("LIGHTCULLING_TLIGHTGRID", tLightGrid);
}
@@ -162,8 +190,12 @@ void LightCullingPass::createRenderPass()
lightEnvDescriptorLayout = graphics->createDescriptorLayout("LightEnv");
//LightEnv
lightEnvDescriptorLayout->addDescriptorBinding(0, Gfx::SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
// Directional Lights
lightEnvDescriptorLayout->addDescriptorBinding(0, Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER);
lightEnvDescriptorLayout->addDescriptorBinding(1, Gfx::SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
// Point Lights
lightEnvDescriptorLayout->addDescriptorBinding(2, Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER);
lightEnvDescriptorLayout->addDescriptorBinding(3, Gfx::SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
cullingLayout = graphics->createPipelineLayout();
cullingLayout->addDescriptorLayout(0, cullingDescriptorLayout);