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Stage geometry nodes to device

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This commit is contained in:
Sascha Willems 2024-10-31 19:20:26 +01:00
parent c5c7398b3b
commit d53f6f3622
1 changed files with 16 additions and 8 deletions
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22
examples/raytracinggltf/raytracinggltf.cpp
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@ -188,7 +188,6 @@ public:
geometryNode.indexBufferDeviceAddress = indexBufferDeviceAddress.deviceAddress;
geometryNode.textureIndexBaseColor = primitive->material.baseColorTexture->index;
geometryNode.textureIndexOcclusion = primitive->material.occlusionTexture ? primitive->material.occlusionTexture->index : -1;
// @todo: map material id to global texture array
geometryNodes.push_back(geometryNode);
}
}
@ -198,14 +197,25 @@ public:
pBuildRangeInfos.push_back(&rangeInfo);
}
// @todo: stage to device
vks::Buffer stagingBuffer;
VK_CHECK_RESULT(vulkanDevice->createBuffer(
VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&geometryNodesBuffer,
&stagingBuffer,
static_cast<uint32_t>(geometryNodes.size()) * sizeof(GeometryNode),
geometryNodes.data()));
VK_CHECK_RESULT(vulkanDevice->createBuffer(
VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
&geometryNodesBuffer,
static_cast<uint32_t>(geometryNodes.size()) * sizeof(GeometryNode)));
vulkanDevice->copyBuffer(&stagingBuffer, &geometryNodesBuffer, queue);
stagingBuffer.destroy();
// Get size info
VkAccelerationStructureBuildGeometryInfoKHR accelerationStructureBuildGeometryInfo{};
accelerationStructureBuildGeometryInfo.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR;
@ -408,9 +418,7 @@ public:
*/
void createRayTracingPipeline()
{
// @todo:
uint32_t imageCount{ 0 };
imageCount = static_cast<uint32_t>(model.textures.size());
const uint32_t imageCount = static_cast<uint32_t>(model.textures.size());
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
// Binding 0: Top level acceleration structure