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// Copyright 2021 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "VulkanBenchmark.hpp"
#include "benchmark/benchmark.h"
#include <cassert>
class ClearImageBenchmark : public VulkanBenchmark
{
public:
void initialize(vk::Format clearFormat, vk::ImageAspectFlagBits clearAspect)
{
VulkanBenchmark::initialize();
vk::ImageCreateInfo imageInfo;
imageInfo.imageType = vk::ImageType::e2D;
imageInfo.format = clearFormat;
imageInfo.tiling = vk::ImageTiling::eOptimal;
imageInfo.initialLayout = vk::ImageLayout::eGeneral;
imageInfo.usage = vk::ImageUsageFlagBits::eTransferDst;
imageInfo.samples = vk::SampleCountFlagBits::e4;
imageInfo.extent = vk::Extent3D(1024, 1024, 1);
imageInfo.mipLevels = 1;
imageInfo.arrayLayers = 1;
image = device.createImage(imageInfo);
vk::MemoryRequirements memoryRequirements = device.getImageMemoryRequirements(image);
vk::MemoryAllocateInfo allocateInfo;
allocateInfo.allocationSize = memoryRequirements.size;
allocateInfo.memoryTypeIndex = 0;
memory = device.allocateMemory(allocateInfo);
device.bindImageMemory(image, memory, 0);
vk::CommandPoolCreateInfo commandPoolCreateInfo;
commandPoolCreateInfo.queueFamilyIndex = queueFamilyIndex;
commandPool = device.createCommandPool(commandPoolCreateInfo);
vk::CommandBufferAllocateInfo commandBufferAllocateInfo;
commandBufferAllocateInfo.commandPool = commandPool;
commandBufferAllocateInfo.commandBufferCount = 1;
commandBuffer = device.allocateCommandBuffers(commandBufferAllocateInfo)[0];
vk::CommandBufferBeginInfo commandBufferBeginInfo;
commandBufferBeginInfo.flags = {};
commandBuffer.begin(commandBufferBeginInfo);
vk::ImageSubresourceRange range;
range.aspectMask = clearAspect;
range.baseMipLevel = 0;
range.levelCount = 1;
range.baseArrayLayer = 0;
range.layerCount = 1;
if(clearAspect == vk::ImageAspectFlagBits::eColor)
{
vk::ClearColorValue clearColorValue;
clearColorValue.float32[0] = 0.0f;
clearColorValue.float32[1] = 1.0f;
clearColorValue.float32[2] = 0.0f;
clearColorValue.float32[3] = 1.0f;
commandBuffer.clearColorImage(image, vk::ImageLayout::eGeneral, &clearColorValue, 1, &range);
}
else if(clearAspect == vk::ImageAspectFlagBits::eDepth)
{
vk::ClearDepthStencilValue clearDepthStencilValue;
clearDepthStencilValue.depth = 1.0f;
clearDepthStencilValue.stencil = 0xFF;
commandBuffer.clearDepthStencilImage(image, vk::ImageLayout::eGeneral, &clearDepthStencilValue, 1, &range);
}
else
assert(false);
commandBuffer.end();
}
~ClearImageBenchmark()
{
device.freeCommandBuffers(commandPool, 1, &commandBuffer);
device.destroyCommandPool(commandPool, nullptr);
device.freeMemory(memory, nullptr);
device.destroyImage(image, nullptr);
}
void clear()
{
vk::SubmitInfo submitInfo;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &commandBuffer;
queue.submit(1, &submitInfo, nullptr);
queue.waitIdle();
}
private:
vk::Image image; // Owning handle
vk::DeviceMemory memory; // Owning handle
vk::CommandPool commandPool; // Owning handle
vk::CommandBuffer commandBuffer; // Owning handle
};
static void ClearImage(benchmark::State &state, vk::Format clearFormat, vk::ImageAspectFlagBits clearAspect)
{
ClearImageBenchmark benchmark;
benchmark.initialize(clearFormat, clearAspect);
// Execute once to have the Reactor routine generated.
benchmark.clear();
for(auto _ : state)
{
benchmark.clear();
}
}
BENCHMARK_CAPTURE(ClearImage, VK_FORMAT_R8G8B8A8_UNORM, vk::Format::eR8G8B8A8Unorm, vk::ImageAspectFlagBits::eColor)->Unit(benchmark::kMillisecond);
BENCHMARK_CAPTURE(ClearImage, VK_FORMAT_R32_SFLOAT, vk::Format::eR32Sfloat, vk::ImageAspectFlagBits::eColor)->Unit(benchmark::kMillisecond);
BENCHMARK_CAPTURE(ClearImage, VK_FORMAT_D32_SFLOAT, vk::Format::eD32Sfloat, vk::ImageAspectFlagBits::eDepth)->Unit(benchmark::kMillisecond);