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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/div_ceil.h"
#include "video_core/host_shaders/vulkan_fidelityfx_fsr_easu_comp_spv.h"
#include "video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_comp_spv.h"
#include "video_core/renderer_vulkan/vk_fsr.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_shader_util.h"
#include "video_core/vulkan_common/vulkan_device.h"
namespace Vulkan {
FSR::FSR(const Device& device, MemoryAllocator& memory_allocator, size_t image_count,
VkExtent2D output_size)
: device{device}, memory_allocator{memory_allocator}, image_count{image_count},
output_size{output_size} {
CreateImages();
CreateSampler();
CreateShaders();
CreateDescriptorPool();
CreateDescriptorSetLayout();
CreateDescriptorSets();
CreatePipelineLayout();
CreatePipeline();
}
VkImageView FSR::Draw(VKScheduler& scheduler, size_t image_index, VkImageView image_view,
const Common::Rectangle<int>& crop_rect) {
UpdateDescriptorSet(image_index, image_view);
scheduler.Record([this, image_index, crop_rect](vk::CommandBuffer cmdbuf) {
const VkImageMemoryBarrier base_barrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = 0,
.dstAccessMask = 0,
.oldLayout = VK_IMAGE_LAYOUT_GENERAL,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = {},
.subresourceRange =
{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
},
};
// TODO: Support clear color
cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *easu_pipeline);
cmdbuf.PushConstants(*pipeline_layout, VK_SHADER_STAGE_COMPUTE_BIT,
VkExtent2D{
.width = static_cast<u32>(crop_rect.GetWidth()),
.height = static_cast<u32>(crop_rect.GetHeight()),
});
{
VkImageMemoryBarrier fsr_write_barrier = base_barrier;
fsr_write_barrier.image = *images[image_index],
fsr_write_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, fsr_write_barrier);
}
cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline_layout, 0,
descriptor_sets[image_index * 2], {});
cmdbuf.Dispatch(Common::DivCeil(output_size.width, 16u),
Common::DivCeil(output_size.height, 16u), 1);
cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *rcas_pipeline);
cmdbuf.PushConstants(*pipeline_layout, VK_SHADER_STAGE_COMPUTE_BIT, output_size);
{
std::array<VkImageMemoryBarrier, 2> barriers;
auto& fsr_read_barrier = barriers[0];
auto& blit_write_barrier = barriers[1];
fsr_read_barrier = base_barrier;
fsr_read_barrier.image = *images[image_index];
fsr_read_barrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
fsr_read_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
blit_write_barrier = base_barrier;
blit_write_barrier.image = *images[image_count + image_index];
blit_write_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
blit_write_barrier.newLayout = VK_IMAGE_LAYOUT_GENERAL;
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, {}, {}, barriers);
}
cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline_layout, 0,
descriptor_sets[image_index * 2 + 1], {});
cmdbuf.Dispatch(Common::DivCeil(output_size.width, 16u),
Common::DivCeil(output_size.height, 16u), 1);
{
std::array<VkImageMemoryBarrier, 1> barriers;
auto& blit_read_barrier = barriers[0];
blit_read_barrier = base_barrier;
blit_read_barrier.image = *images[image_count + image_index];
blit_read_barrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
blit_read_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, {}, {}, barriers);
}
});
return *image_views[image_count + image_index];
}
void FSR::CreateDescriptorPool() {
const std::array<VkDescriptorPoolSize, 2> pool_sizes{{
{
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = static_cast<u32>(image_count * 2),
},
{
.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.descriptorCount = static_cast<u32>(image_count * 2),
},
}};
const VkDescriptorPoolCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.pNext = nullptr,
.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
.maxSets = static_cast<u32>(image_count * 2),
.poolSizeCount = static_cast<u32>(pool_sizes.size()),
.pPoolSizes = pool_sizes.data(),
};
descriptor_pool = device.GetLogical().CreateDescriptorPool(ci);
}
void FSR::CreateDescriptorSetLayout() {
const std::array<VkDescriptorSetLayoutBinding, 2> layout_bindings{{
{
.binding = 0,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = sampler.address(),
},
{
.binding = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = sampler.address(),
},
}};
const VkDescriptorSetLayoutCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.bindingCount = static_cast<u32>(layout_bindings.size()),
.pBindings = layout_bindings.data(),
};
descriptor_set_layout = device.GetLogical().CreateDescriptorSetLayout(ci);
}
void FSR::CreateDescriptorSets() {
const u32 sets = static_cast<u32>(image_count * 2);
const std::vector layouts(sets, *descriptor_set_layout);
const VkDescriptorSetAllocateInfo ai{
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.pNext = nullptr,
.descriptorPool = *descriptor_pool,
.descriptorSetCount = sets,
.pSetLayouts = layouts.data(),
};
descriptor_sets = descriptor_pool.Allocate(ai);
}
void FSR::CreateImages() {
images.resize(image_count * 2);
image_views.resize(image_count * 2);
buffer_commits.resize(image_count * 2);
for (size_t i = 0; i < image_count * 2; ++i) {
images[i] = device.GetLogical().CreateImage(VkImageCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.imageType = VK_IMAGE_TYPE_2D,
.format = VK_FORMAT_R16G16B16A16_SFLOAT,
.extent =
{
.width = output_size.width,
.height = output_size.height,
.depth = 1,
},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_STORAGE_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
});
buffer_commits[i] = memory_allocator.Commit(images[i], MemoryUsage::DeviceLocal);
image_views[i] = device.GetLogical().CreateImageView(VkImageViewCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.image = *images[i],
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = VK_FORMAT_R16G16B16A16_SFLOAT,
.components =
{
.r = VK_COMPONENT_SWIZZLE_IDENTITY,
.g = VK_COMPONENT_SWIZZLE_IDENTITY,
.b = VK_COMPONENT_SWIZZLE_IDENTITY,
.a = VK_COMPONENT_SWIZZLE_IDENTITY,
},
.subresourceRange =
{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
},
});
}
}
void FSR::CreatePipelineLayout() {
VkPushConstantRange push_const{
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.offset = 0,
.size = sizeof(std::array<u32, 2>),
};
VkPipelineLayoutCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.setLayoutCount = 1,
.pSetLayouts = descriptor_set_layout.address(),
.pushConstantRangeCount = 1,
.pPushConstantRanges = &push_const,
};
pipeline_layout = device.GetLogical().CreatePipelineLayout(ci);
}
void FSR::UpdateDescriptorSet(std::size_t image_index, VkImageView image_view) const {
const auto fsr_image_view = *image_views[image_index];
const auto blit_image_view = *image_views[image_count + image_index];
const VkDescriptorImageInfo image_info{
.imageView = image_view,
.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
};
const VkDescriptorImageInfo fsr_image_info{
.imageView = fsr_image_view,
.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
};
const VkDescriptorImageInfo blit_image_info{
.imageView = blit_image_view,
.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
};
VkWriteDescriptorSet sampler_write{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = descriptor_sets[image_index * 2],
.dstBinding = 0,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.pImageInfo = &image_info,
.pBufferInfo = nullptr,
.pTexelBufferView = nullptr,
};
VkWriteDescriptorSet output_write{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = descriptor_sets[image_index * 2],
.dstBinding = 1,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.pImageInfo = &fsr_image_info,
.pBufferInfo = nullptr,
.pTexelBufferView = nullptr,
};
device.GetLogical().UpdateDescriptorSets(std::array{sampler_write, output_write}, {});
sampler_write.dstSet = descriptor_sets[image_index * 2 + 1];
sampler_write.pImageInfo = &fsr_image_info;
output_write.dstSet = descriptor_sets[image_index * 2 + 1];
output_write.pImageInfo = &blit_image_info;
device.GetLogical().UpdateDescriptorSets(std::array{sampler_write, output_write}, {});
}
void FSR::CreateSampler() {
const VkSamplerCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.mipLodBias = 0.0f,
.anisotropyEnable = VK_FALSE,
.maxAnisotropy = 0.0f,
.compareEnable = VK_FALSE,
.compareOp = VK_COMPARE_OP_NEVER,
.minLod = 0.0f,
.maxLod = 0.0f,
.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK,
.unnormalizedCoordinates = VK_FALSE,
};
sampler = device.GetLogical().CreateSampler(ci);
}
void FSR::CreateShaders() {
easu_shader = BuildShader(device, VULKAN_FIDELITYFX_FSR_EASU_COMP_SPV);
rcas_shader = BuildShader(device, VULKAN_FIDELITYFX_FSR_EASU_COMP_SPV);
}
void FSR::CreatePipeline() {
VkPipelineShaderStageCreateInfo shader_stage{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stage = VK_SHADER_STAGE_COMPUTE_BIT,
.pName = "main",
.pSpecializationInfo = nullptr,
};
VkComputePipelineCreateInfo pipeline_ci{
.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.layout = *pipeline_layout,
.basePipelineIndex = 0,
};
shader_stage.module = *easu_shader;
pipeline_ci.stage = shader_stage;
easu_pipeline = device.GetLogical().CreateComputePipeline(pipeline_ci);
shader_stage.module = *rcas_shader;
pipeline_ci.stage = shader_stage;
rcas_pipeline = device.GetLogical().CreateComputePipeline(pipeline_ci);
}
} // namespace Vulkan
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