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Use uint64 for storing descriptor hashes

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This commit is contained in:
Joshua Goins 2023-09-23 14:07:47 -04:00
parent 42cab361e0
commit b96b2a86c2
2 changed files with 18 additions and 6 deletions
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4
renderer/include/renderer.hpp
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@ -95,7 +95,7 @@ public:
VkDescriptorSetLayout setLayout = VK_NULL_HANDLE;
std::map<int, VkDescriptorSet> cachedDescriptors;
std::map<uint64_t, VkDescriptorSet> cachedDescriptors;
VkPipeline pipeline;
VkPipelineLayout pipelineLayout;
@ -120,7 +120,7 @@ public:
VkDescriptorSet createDescriptorFor(const RenderModel& model, const RenderMaterial& material);
int hash(const RenderModel& model, const RenderMaterial& material);
uint64_t hash(const RenderModel& model, const RenderMaterial& material);
glm::mat4 view;

20
renderer/src/renderer.cpp
View file

@ -491,12 +491,20 @@ void Renderer::render(std::vector<RenderModel> models) {
continue;
for(const auto& part : model.parts) {
if (part.materialIndex >= model.materials.size()) {
continue;
}
RenderMaterial& material = model.materials[part.materialIndex];
int h = hash(model, material);
const auto h = hash(model, material);
if(!cachedDescriptors.count(h)) {
fmt::print("Caching descriptor for hash {}\n", h);
cachedDescriptors[h] = createDescriptorFor(model, material);
if (auto descriptor = createDescriptorFor(model, material); descriptor != VK_NULL_HANDLE) {
cachedDescriptors[h] = descriptor;
} else {
continue;
}
}
vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &cachedDescriptors[h], 0, nullptr);
@ -1154,8 +1162,8 @@ void Renderer::inlineTransitionImageLayout(VkCommandBuffer commandBuffer, VkImag
nullptr, 0, nullptr, 1, &barrier);
}
int Renderer::hash(const RenderModel& model, const RenderMaterial& material) {
int hash = 0;
uint64_t Renderer::hash(const RenderModel& model, const RenderMaterial& material) {
uint64_t hash = 0;
hash += reinterpret_cast<intptr_t>((void*)&model);
if (material.diffuseTexture)
hash += reinterpret_cast<intptr_t>((void*)material.diffuseTexture);
@ -1178,6 +1186,10 @@ VkDescriptorSet Renderer::createDescriptorFor(const RenderModel& model, const Re
allocateInfo.pSetLayouts = &setLayout;
vkAllocateDescriptorSets(device, &allocateInfo, &set);
if (set == VK_NULL_HANDLE) {
fmt::print("Failed to create descriptor set!");
return VK_NULL_HANDLE;
}
const size_t bufferSize = sizeof(glm::mat4) * 128;