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use different uniform buffers for each draw call

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niki
2022-06-30 18:42:49 +02:00
parent 7f894e5bf7
commit 0cea07806f
9 changed files with 118 additions and 40 deletions
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src/modules/graphics/vulkan/Graphics.cpp
+65 -25
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@@ -121,8 +121,6 @@ namespace love {
endRecordingGraphicsCommands();
prepareDraw(currentFrame);
if (imagesInFlight[imageIndex] != VK_NULL_HANDLE) {
vkWaitForFences(device, 1, &imagesInFlight.at(imageIndex), VK_TRUE, UINT64_MAX);
}
@@ -209,7 +207,6 @@ namespace love {
createFramebuffers();
createCommandPool();
createCommandBuffers();
createUniformBuffers();
createDefaultTexture();
createQuadIndexBuffer();
createDescriptorPool();
@@ -333,12 +330,42 @@ namespace love {
ensureGraphicsPipelineConfiguration(configuration);
vkCmdBindDescriptorSets(commandBuffers.at(imageIndex), VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, getDescriptorSet(currentFrame), 0, nullptr);
auto descriptorSets = getDescriptorSet(currentFrame);
auto descriptorSet = *descriptorSets;
vkCmdBindDescriptorSets(commandBuffers.at(imageIndex), VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, descriptorSets, 0, nullptr);
vkCmdBindVertexBuffers(commandBuffers.at(imageIndex), 0, buffers.size(), buffers.data(), offsets.data());
vkCmdBindIndexBuffer(commandBuffers.at(imageIndex), (VkBuffer)cmd.indexBuffer->getHandle(), 0, getVulkanIndexBufferType(cmd.indexType));
vkCmdDrawIndexed(commandBuffers.at(imageIndex), static_cast<uint32_t>(cmd.indexCount), 1, 0, 0, 0);
}
PixelFormat Graphics::getSizedFormat(PixelFormat format, bool rendertarget, bool readable) const {
std::cout << "getSizedFormat ";
switch (format) {
PIXELFORMAT_NORMAL:
if (isGammaCorrect()) {
return PIXELFORMAT_RGBA8_UNORM_sRGB;
}
else {
return PIXELFORMAT_RGBA8_UNORM;
}
case PIXELFORMAT_HDR:
return PIXELFORMAT_RGBA16_FLOAT;
default:
return format;
}
}
bool Graphics::isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB) {
std::cout << "isPixelFormatSupported ";
switch (format) {
case PIXELFORMAT_LA8_UNORM:
return false;
default:
return true;
}
}
void Graphics::drawQuads(int start, int count, const VertexAttributes& attributes, const BufferBindings& buffers, graphics::Texture* texture) {
std::cout << "drawQuads ";
@@ -416,12 +443,29 @@ namespace love {
}
VkDescriptorSet* Graphics::getDescriptorSet(int currentFrame) {
auto it = textureToDescriptorSetsMap.find(currentTexture);
if (it == textureToDescriptorSetsMap.end()) {
textureToDescriptorSetsMap[currentTexture] = createDescriptorSets(currentTexture);
DecriptorSetConfiguration config;
config.texture = currentTexture;
config.buffer = getUniformBuffer();
for (auto i = 0; i < descriptorSetsMap.size(); i++) {
if (descriptorSetsMap[i].first == config) {
return &descriptorSetsMap[i].second[currentFrame];
}
}
auto descriptorSets = createDescriptorSets(config);
descriptorSetsMap.push_back(std::make_pair(config, descriptorSets));
return &descriptorSetsMap.back().second[currentFrame];
}
return &textureToDescriptorSetsMap.at(currentTexture)[currentFrame];
graphics::StreamBuffer* Graphics::getUniformBuffer() {
auto data = getCurrentBuiltinUniformData();
for (auto it : uniformBufferMap) {
if (it.first == data) {
return it.second;
}
}
auto buffer = createUniformBufferFromData(data);
uniformBufferMap.push_back(std::make_pair(data, buffer));
return buffer;
}
VkCommandBuffer Graphics::beginSingleTimeCommands() {
@@ -456,9 +500,7 @@ namespace love {
vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
}
void Graphics::prepareDraw(uint32_t currentImage) {
auto& buffer = uniformBuffers.at(currentImage);
graphics::Shader::BuiltinUniformData Graphics::getCurrentBuiltinUniformData() {
love::graphics::Shader::BuiltinUniformData data;
data.transformMatrix = getTransform();
@@ -493,9 +535,16 @@ namespace love {
data.constantColor = getColor();
gammaCorrectColor(data.constantColor);
return data;
}
graphics::StreamBuffer* Graphics::createUniformBufferFromData(graphics::Shader::BuiltinUniformData data) {
auto buffer = newStreamBuffer(BUFFERUSAGE_UNIFORM, sizeof(data));
auto mappedInfo = buffer->map(0);
memcpy(mappedInfo.data, &data, sizeof(data));
buffer->unmap(0);
return buffer;
}
void Graphics::createVulkanInstance() {
@@ -997,14 +1046,6 @@ namespace love {
}
}
void Graphics::createUniformBuffers() {
VkDeviceSize bufferSize = sizeof(graphics::Shader::BuiltinUniformData);
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
uniformBuffers.push_back(std::make_unique<StreamBuffer>(vmaAllocator, BUFFERUSAGE_UNIFORM, bufferSize));
}
}
void Graphics::createDescriptorPool() {
std::array<VkDescriptorPoolSize, 2> poolSizes{};
poolSizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
@@ -1026,7 +1067,7 @@ namespace love {
}
}
std::vector<VkDescriptorSet> Graphics::createDescriptorSets(graphics::Texture* texture) {
std::vector<VkDescriptorSet> Graphics::createDescriptorSets(DecriptorSetConfiguration config) {
std::vector<VkDescriptorSetLayout> layouts(MAX_FRAMES_IN_FLIGHT, descriptorSetLayout);
VkDescriptorSetAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
@@ -1055,13 +1096,13 @@ namespace love {
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
VkDescriptorBufferInfo bufferInfo{};
bufferInfo.buffer = (VkBuffer)uniformBuffers.at(i)->getHandle();
bufferInfo.buffer = (VkBuffer)config.buffer->getHandle();
bufferInfo.offset = 0;
bufferInfo.range = sizeof(graphics::Shader::BuiltinUniformData);
VkDescriptorImageInfo imageInfo{};
imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
Texture* vkTexture = (Texture*)texture;
Texture* vkTexture = (Texture*)config.texture;
imageInfo.imageView = vkTexture->getImageView();
imageInfo.sampler = vkTexture->getSampler();
@@ -1448,8 +1489,8 @@ namespace love {
vkDestroyImageView(device, swapChainImageViews[i], nullptr);
}
vkDestroySwapchainKHR(device, swapChain, nullptr);
uniformBuffers.clear();
textureToDescriptorSetsMap.clear();
uniformBufferMap.clear();
descriptorSetsMap.clear();
}
void Graphics::recreateSwapChain() {
@@ -1461,7 +1502,6 @@ namespace love {
createImageViews();
createRenderPass();
createFramebuffers();
createUniformBuffers();
createDescriptorPool();
createCommandBuffers();
startRecordingGraphicsCommands();