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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <vector>
#include <boost/container/small_vector.hpp>
#include "video_core/renderer_vulkan/pipeline_helper.h"
#include "video_core/renderer_vulkan/vk_buffer_cache.h"
#include "video_core/renderer_vulkan/vk_compute_pipeline.h"
#include "video_core/renderer_vulkan/vk_descriptor_pool.h"
#include "video_core/renderer_vulkan/vk_pipeline_cache.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/vulkan_common/vulkan_device.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
namespace {
DescriptorLayoutTuple CreateLayout(const Device& device, const Shader::Info& info) {
DescriptorLayoutBuilder builder;
builder.Add(info, VK_SHADER_STAGE_COMPUTE_BIT);
return builder.Create(device.GetLogical());
}
} // Anonymous namespace
ComputePipeline::ComputePipeline(const Device& device, VKDescriptorPool& descriptor_pool,
VKUpdateDescriptorQueue& update_descriptor_queue_,
const Shader::Info& info_, vk::ShaderModule spv_module_)
: update_descriptor_queue{&update_descriptor_queue_}, info{info_},
spv_module(std::move(spv_module_)) {
DescriptorLayoutTuple tuple{CreateLayout(device, info)};
descriptor_set_layout = std::move(tuple.descriptor_set_layout);
pipeline_layout = std::move(tuple.pipeline_layout);
descriptor_update_template = std::move(tuple.descriptor_update_template);
descriptor_allocator = DescriptorAllocator(descriptor_pool, *descriptor_set_layout);
pipeline = device.GetLogical().CreateComputePipeline({
.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stage{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stage = VK_SHADER_STAGE_COMPUTE_BIT,
.module = *spv_module,
.pName = "main",
.pSpecializationInfo = nullptr,
},
.layout = *pipeline_layout,
.basePipelineHandle = 0,
.basePipelineIndex = 0,
});
}
void ComputePipeline::ConfigureBufferCache(BufferCache& buffer_cache) {
buffer_cache.SetEnabledComputeUniformBuffers(info.constant_buffer_mask);
buffer_cache.UnbindComputeStorageBuffers();
size_t index{};
for (const auto& desc : info.storage_buffers_descriptors) {
ASSERT(desc.count == 1);
buffer_cache.BindComputeStorageBuffer(index, desc.cbuf_index, desc.cbuf_offset, true);
++index;
}
buffer_cache.UpdateComputeBuffers();
buffer_cache.BindHostComputeBuffers();
}
void ComputePipeline::ConfigureTextureCache(Tegra::Engines::KeplerCompute& kepler_compute,
Tegra::MemoryManager& gpu_memory,
TextureCache& texture_cache) {
texture_cache.SynchronizeComputeDescriptors();
static constexpr size_t max_elements = 64;
std::array<ImageId, max_elements> image_view_ids;
boost::container::static_vector<u32, max_elements> image_view_indices;
boost::container::static_vector<VkSampler, max_elements> samplers;
const auto& launch_desc{kepler_compute.launch_description};
const auto& cbufs{launch_desc.const_buffer_config};
const bool via_header_index{launch_desc.linked_tsc};
for (const auto& desc : info.texture_descriptors) {
const u32 cbuf_index{desc.cbuf_index};
const u32 cbuf_offset{desc.cbuf_offset};
ASSERT(((launch_desc.const_buffer_enable_mask >> cbuf_index) & 1) != 0);
const GPUVAddr addr{cbufs[cbuf_index].Address() + cbuf_offset};
const u32 raw_handle{gpu_memory.Read<u32>(addr)};
const TextureHandle handle(raw_handle, via_header_index);
image_view_indices.push_back(handle.image);
Sampler* const sampler = texture_cache.GetComputeSampler(handle.sampler);
samplers.push_back(sampler->Handle());
}
const std::span indices_span(image_view_indices.data(), image_view_indices.size());
texture_cache.FillComputeImageViews(indices_span, image_view_ids);
size_t index{};
PushImageDescriptors(info, samplers.data(), image_view_ids.data(), texture_cache,
*update_descriptor_queue, index);
}
VkDescriptorSet ComputePipeline::UpdateDescriptorSet() {
const VkDescriptorSet descriptor_set{descriptor_allocator.Commit()};
update_descriptor_queue->Send(*descriptor_update_template, descriptor_set);
return descriptor_set;
}
} // namespace Vulkan
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