Files
KytyPS5/src/graphics/host_gpu/renderer/pipeline/shaderResourceBarrier.cpp
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3.9 KiB
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#include "graphics/host_gpu/renderer/pipeline/shaderResourceBarrier.h"
#include "common/assert.h"
#include "graphics/shader/shader.h"
#include "graphics/shader/shaderBindings.h"
#include <cstring>
namespace Libs::Graphics {
vk::PipelineStageFlags ShaderPipelineStages(vk::ShaderStageFlags stages) {
vk::PipelineStageFlags result = {};
if (stages & vk::ShaderStageFlagBits::eVertex) {
result |= vk::PipelineStageFlagBits::eVertexShader;
}
if (stages & vk::ShaderStageFlagBits::eFragment) {
result |= vk::PipelineStageFlagBits::eFragmentShader;
}
if (stages & vk::ShaderStageFlagBits::eCompute) {
result |= vk::PipelineStageFlagBits::eComputeShader;
}
EXIT_IF(!result);
return result;
}
VulkanMemoryBarrier MakeShaderWriteDependency() {
VulkanMemoryBarrier barrier {};
barrier.sType = vk::StructureType::eMemoryBarrier;
barrier.srcAccessMask = vk::AccessFlagBits::eShaderWrite;
barrier.dstAccessMask = vk::AccessFlagBits::eShaderRead | vk::AccessFlagBits::eShaderWrite |
vk::AccessFlagBits::eVertexAttributeRead |
vk::AccessFlagBits::eIndexRead | vk::AccessFlagBits::eUniformRead |
vk::AccessFlagBits::eTransferRead | vk::AccessFlagBits::eTransferWrite |
vk::AccessFlagBits::eColorAttachmentRead |
vk::AccessFlagBits::eColorAttachmentWrite;
return barrier;
}
vk::BufferMemoryBarrier MakeGdsDependency(vk::Buffer buffer) {
EXIT_IF(buffer == nullptr);
vk::BufferMemoryBarrier barrier {};
barrier.sType = vk::StructureType::eBufferMemoryBarrier;
barrier.srcAccessMask = vk::AccessFlagBits::eHostWrite | vk::AccessFlagBits::eTransferWrite |
vk::AccessFlagBits::eShaderWrite;
barrier.dstAccessMask = vk::AccessFlagBits::eShaderRead | vk::AccessFlagBits::eShaderWrite;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.buffer = buffer;
barrier.offset = 0;
barrier.size = VK_WHOLE_SIZE;
return barrier;
}
std::vector<ShaderBufferWriteRange>
CollectShaderBufferWrites(const ShaderRecompiler::IR::Program& program,
const ShaderRecompiler::IR::ResourceSnapshot& resources) {
EXIT_IF(resources.buffers.size() != program.info.buffers.size());
std::vector<ShaderBufferWriteRange> writes;
for (uint32_t i = 0; i < program.info.buffers.size(); i++) {
if (!program.info.buffers[i].written) {
continue;
}
const auto& value = resources.buffers[i];
EXIT_IF(value.dword_count < 4);
ShaderBufferResource descriptor;
std::memcpy(descriptor.fields, value.dwords.data(), sizeof(descriptor.fields));
const auto address = descriptor.Base48();
const auto records = static_cast<uint64_t>(descriptor.NumRecords());
const auto stride = static_cast<uint64_t>(descriptor.Stride());
if (stride != 0 && records > UINT64_MAX / stride) {
EXIT("shader resource barrier buffer footprint overflow\n");
}
const auto size = stride == 0 ? records : stride * records;
if (address != 0 && size != 0) {
writes.push_back({address, size});
}
}
return writes;
}
bool HasShaderBufferWrites(const ShaderStageRuntime& runtime) {
EXIT_IF(!runtime);
return !CollectShaderBufferWrites(*runtime.program, *runtime.resources).empty();
}
void ShaderWriteBarrier(vk::CommandBuffer vk_buffer, vk::PipelineStageFlags source_stages) {
EXIT_IF(vk_buffer == nullptr || !source_stages);
const auto barrier = MakeShaderWriteDependency();
vk_buffer.pipelineBarrier(
source_stages,
vk::PipelineStageFlagBits::eComputeShader | vk::PipelineStageFlagBits::eVertexInput |
vk::PipelineStageFlagBits::eVertexShader | vk::PipelineStageFlagBits::eFragmentShader |
vk::PipelineStageFlagBits::eTransfer |
vk::PipelineStageFlagBits::eColorAttachmentOutput,
vk::DependencyFlags {}, 1, &barrier, 0, nullptr, 0, nullptr);
}
} // namespace Libs::Graphics