// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cstring>
#include <memory>
#include <tuple>
#include <vector>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/math_util.h"
#include "core/core.h"
#include "core/frontend/emu_window.h"
#include "core/memory.h"
#include "video_core/gpu.h"
#include "video_core/host_shaders/vulkan_present_frag_spv.h"
#include "video_core/host_shaders/vulkan_present_vert_spv.h"
#include "video_core/renderer_vulkan/renderer_vulkan.h"
#include "video_core/renderer_vulkan/vk_blit_screen.h"
#include "video_core/renderer_vulkan/vk_master_semaphore.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_shader_util.h"
#include "video_core/renderer_vulkan/vk_swapchain.h"
#include "video_core/surface.h"
#include "video_core/textures/decoders.h"
#include "video_core/vulkan_common/vulkan_device.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
namespace {
struct ScreenRectVertex {
ScreenRectVertex() = default;
explicit ScreenRectVertex(f32 x, f32 y, f32 u, f32 v) : position{{x, y}}, tex_coord{{u, v}} {}
std::array<f32, 2> position;
std::array<f32, 2> tex_coord;
static VkVertexInputBindingDescription GetDescription() {
return {
.binding = 0,
.stride = sizeof(ScreenRectVertex),
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX,
};
}
static std::array<VkVertexInputAttributeDescription, 2> GetAttributes() {
return {{
{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = offsetof(ScreenRectVertex, position),
},
{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = offsetof(ScreenRectVertex, tex_coord),
},
}};
}
};
constexpr std::array<f32, 4 * 4> MakeOrthographicMatrix(f32 width, f32 height) {
// clang-format off
return { 2.f / width, 0.f, 0.f, 0.f,
0.f, 2.f / height, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
-1.f, -1.f, 0.f, 1.f};
// clang-format on
}
u32 GetBytesPerPixel(const Tegra::FramebufferConfig& framebuffer) {
using namespace VideoCore::Surface;
return BytesPerBlock(PixelFormatFromGPUPixelFormat(framebuffer.pixel_format));
}
std::size_t GetSizeInBytes(const Tegra::FramebufferConfig& framebuffer) {
return static_cast<std::size_t>(framebuffer.stride) *
static_cast<std::size_t>(framebuffer.height) * GetBytesPerPixel(framebuffer);
}
VkFormat GetFormat(const Tegra::FramebufferConfig& framebuffer) {
switch (framebuffer.pixel_format) {
case Tegra::FramebufferConfig::PixelFormat::A8B8G8R8_UNORM:
return VK_FORMAT_A8B8G8R8_UNORM_PACK32;
case Tegra::FramebufferConfig::PixelFormat::RGB565_UNORM:
return VK_FORMAT_R5G6B5_UNORM_PACK16;
default:
UNIMPLEMENTED_MSG("Unknown framebuffer pixel format: {}",
static_cast<u32>(framebuffer.pixel_format));
return VK_FORMAT_A8B8G8R8_UNORM_PACK32;
}
}
} // Anonymous namespace
struct VKBlitScreen::BufferData {
struct {
std::array<f32, 4 * 4> modelview_matrix;
} uniform;
std::array<ScreenRectVertex, 4> vertices;
// Unaligned image data goes here
};
VKBlitScreen::VKBlitScreen(Core::Memory::Memory& cpu_memory_,
Core::Frontend::EmuWindow& render_window_, const Device& device_,
MemoryAllocator& memory_allocator_, VKSwapchain& swapchain_,
VKScheduler& scheduler_, const VKScreenInfo& screen_info_)
: cpu_memory{cpu_memory_}, render_window{render_window_}, device{device_},
memory_allocator{memory_allocator_}, swapchain{swapchain_}, scheduler{scheduler_},
image_count{swapchain.GetImageCount()}, screen_info{screen_info_} {
resource_ticks.resize(image_count);
CreateStaticResources();
CreateDynamicResources();
}
VKBlitScreen::~VKBlitScreen() = default;
void VKBlitScreen::Recreate() {
CreateDynamicResources();
}
VkSemaphore VKBlitScreen::Draw(const Tegra::FramebufferConfig& framebuffer,
const VkFramebuffer& host_framebuffer,
const Layout::FramebufferLayout layout, VkExtent2D render_area,
bool use_accelerated) {
RefreshResources(framebuffer);
// Finish any pending renderpass
scheduler.RequestOutsideRenderPassOperationContext();
const std::size_t image_index = swapchain.GetImageIndex();
scheduler.Wait(resource_ticks[image_index]);
resource_ticks[image_index] = scheduler.CurrentTick();
UpdateDescriptorSet(image_index,
use_accelerated ? screen_info.image_view : *raw_image_views[image_index]);
BufferData data;
SetUniformData(data, layout);
SetVertexData(data, framebuffer, layout);
const std::span<u8> mapped_span = buffer_commit.Map();
std::memcpy(mapped_span.data(), &data, sizeof(data));
if (!use_accelerated) {
const u64 image_offset = GetRawImageOffset(framebuffer, image_index);
const VAddr framebuffer_addr = framebuffer.address + framebuffer.offset;
const u8* const host_ptr = cpu_memory.GetPointer(framebuffer_addr);
const size_t size_bytes = GetSizeInBytes(framebuffer);
// TODO(Rodrigo): Read this from HLE
constexpr u32 block_height_log2 = 4;
const u32 bytes_per_pixel = GetBytesPerPixel(framebuffer);
Tegra::Texture::UnswizzleTexture(
mapped_span.subspan(image_offset, size_bytes), std::span(host_ptr, size_bytes),
bytes_per_pixel, framebuffer.width, framebuffer.height, 1, block_height_log2, 0);
const VkBufferImageCopy copy{
.bufferOffset = image_offset,
.bufferRowLength = 0,
.bufferImageHeight = 0,
.imageSubresource =
{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1,
},
.imageOffset = {.x = 0, .y = 0, .z = 0},
.imageExtent =
{
.width = framebuffer.width,
.height = framebuffer.height,
.depth = 1,
},
};
scheduler.Record([this, copy, image_index](vk::CommandBuffer cmdbuf) {
const VkImage image = *raw_images[image_index];
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 = image,
.subresourceRange{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
},
};
VkImageMemoryBarrier read_barrier = base_barrier;
read_barrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
read_barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
read_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
VkImageMemoryBarrier write_barrier = base_barrier;
write_barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
write_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
read_barrier);
cmdbuf.CopyBufferToImage(*buffer, image, VK_IMAGE_LAYOUT_GENERAL, copy);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, write_barrier);
});
}
scheduler.Record(
[this, host_framebuffer, image_index, size = render_area](vk::CommandBuffer cmdbuf) {
const f32 bg_red = Settings::values.bg_red.GetValue() / 255.0f;
const f32 bg_green = Settings::values.bg_green.GetValue() / 255.0f;
const f32 bg_blue = Settings::values.bg_blue.GetValue() / 255.0f;
const VkClearValue clear_color{
.color = {.float32 = {bg_red, bg_green, bg_blue, 1.0f}},
};
const VkRenderPassBeginInfo renderpass_bi{
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.pNext = nullptr,
.renderPass = *renderpass,
.framebuffer = host_framebuffer,
.renderArea =
{
.offset = {0, 0},
.extent = size,
},
.clearValueCount = 1,
.pClearValues = &clear_color,
};
const VkViewport viewport{
.x = 0.0f,
.y = 0.0f,
.width = static_cast<float>(size.width),
.height = static_cast<float>(size.height),
.minDepth = 0.0f,
.maxDepth = 1.0f,
};
const VkRect2D scissor{
.offset = {0, 0},
.extent = size,
};
cmdbuf.BeginRenderPass(renderpass_bi, VK_SUBPASS_CONTENTS_INLINE);
cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
cmdbuf.SetViewport(0, viewport);
cmdbuf.SetScissor(0, scissor);
cmdbuf.BindVertexBuffer(0, *buffer, offsetof(BufferData, vertices));
cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline_layout, 0,
descriptor_sets[image_index], {});
cmdbuf.Draw(4, 1, 0, 0);
cmdbuf.EndRenderPass();
});
return *semaphores[image_index];
}
VkSemaphore VKBlitScreen::DrawToSwapchain(const Tegra::FramebufferConfig& framebuffer,
bool use_accelerated) {
const std::size_t image_index = swapchain.GetImageIndex();
const VkExtent2D render_area = swapchain.GetSize();
const Layout::FramebufferLayout layout = render_window.GetFramebufferLayout();
return Draw(framebuffer, *framebuffers[image_index], layout, render_area, use_accelerated);
}
void VKBlitScreen::CreateStaticResources() {
CreateShaders();
CreateSemaphores();
CreateDescriptorPool();
CreateDescriptorSetLayout();
CreateDescriptorSets();
CreatePipelineLayout();
CreateSampler();
}
void VKBlitScreen::CreateDynamicResources() {
CreateRenderPass();
CreateFramebuffers();
CreateGraphicsPipeline();
}
void VKBlitScreen::RefreshResources(const Tegra::FramebufferConfig& framebuffer) {
if (framebuffer.width == raw_width && framebuffer.height == raw_height && !raw_images.empty()) {
return;
}
raw_width = framebuffer.width;
raw_height = framebuffer.height;
ReleaseRawImages();
CreateStagingBuffer(framebuffer);
CreateRawImages(framebuffer);
}
void VKBlitScreen::CreateShaders() {
vertex_shader = BuildShader(device, VULKAN_PRESENT_VERT_SPV);
fragment_shader = BuildShader(device, VULKAN_PRESENT_FRAG_SPV);
}
void VKBlitScreen::CreateSemaphores() {
semaphores.resize(image_count);
std::ranges::generate(semaphores, [this] { return device.GetLogical().CreateSemaphore(); });
}
void VKBlitScreen::CreateDescriptorPool() {
const std::array<VkDescriptorPoolSize, 2> pool_sizes{{
{
.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = static_cast<u32>(image_count),
},
{
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = static_cast<u32>(image_count),
},
}};
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),
.poolSizeCount = static_cast<u32>(pool_sizes.size()),
.pPoolSizes = pool_sizes.data(),
};
descriptor_pool = device.GetLogical().CreateDescriptorPool(ci);
}
void VKBlitScreen::CreateRenderPass() {
const VkAttachmentDescription color_attachment{
.flags = 0,
.format = swapchain.GetImageFormat(),
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
};
const VkAttachmentReference color_attachment_ref{
.attachment = 0,
.layout = VK_IMAGE_LAYOUT_GENERAL,
};
const VkSubpassDescription subpass_description{
.flags = 0,
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.inputAttachmentCount = 0,
.pInputAttachments = nullptr,
.colorAttachmentCount = 1,
.pColorAttachments = &color_attachment_ref,
.pResolveAttachments = nullptr,
.pDepthStencilAttachment = nullptr,
.preserveAttachmentCount = 0,
.pPreserveAttachments = nullptr,
};
const VkSubpassDependency dependency{
.srcSubpass = VK_SUBPASS_EXTERNAL,
.dstSubpass = 0,
.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dependencyFlags = 0,
};
const VkRenderPassCreateInfo renderpass_ci{
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.attachmentCount = 1,
.pAttachments = &color_attachment,
.subpassCount = 1,
.pSubpasses = &subpass_description,
.dependencyCount = 1,
.pDependencies = &dependency,
};
renderpass = device.GetLogical().CreateRenderPass(renderpass_ci);
}
void VKBlitScreen::CreateDescriptorSetLayout() {
const std::array<VkDescriptorSetLayoutBinding, 2> layout_bindings{{
{
.binding = 0,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
.pImmutableSamplers = nullptr,
},
{
.binding = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
.pImmutableSamplers = nullptr,
},
}};
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 VKBlitScreen::CreateDescriptorSets() {
const std::vector layouts(image_count, *descriptor_set_layout);
const VkDescriptorSetAllocateInfo ai{
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.pNext = nullptr,
.descriptorPool = *descriptor_pool,
.descriptorSetCount = static_cast<u32>(image_count),
.pSetLayouts = layouts.data(),
};
descriptor_sets = descriptor_pool.Allocate(ai);
}
void VKBlitScreen::CreatePipelineLayout() {
const VkPipelineLayoutCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.setLayoutCount = 1,
.pSetLayouts = descriptor_set_layout.address(),
.pushConstantRangeCount = 0,
.pPushConstantRanges = nullptr,
};
pipeline_layout = device.GetLogical().CreatePipelineLayout(ci);
}
void VKBlitScreen::CreateGraphicsPipeline() {
const std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages{{
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = *vertex_shader,
.pName = "main",
.pSpecializationInfo = nullptr,
},
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = *fragment_shader,
.pName = "main",
.pSpecializationInfo = nullptr,
},
}};
const auto vertex_binding_description = ScreenRectVertex::GetDescription();
const auto vertex_attrs_description = ScreenRectVertex::GetAttributes();
const VkPipelineVertexInputStateCreateInfo vertex_input_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.vertexBindingDescriptionCount = 1,
.pVertexBindingDescriptions = &vertex_binding_description,
.vertexAttributeDescriptionCount = u32{vertex_attrs_description.size()},
.pVertexAttributeDescriptions = vertex_attrs_description.data(),
};
const VkPipelineInputAssemblyStateCreateInfo input_assembly_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
.primitiveRestartEnable = VK_FALSE,
};
const VkPipelineViewportStateCreateInfo viewport_state_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.viewportCount = 1,
.pViewports = nullptr,
.scissorCount = 1,
.pScissors = nullptr,
};
const VkPipelineRasterizationStateCreateInfo rasterization_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.depthClampEnable = VK_FALSE,
.rasterizerDiscardEnable = VK_FALSE,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_CLOCKWISE,
.depthBiasEnable = VK_FALSE,
.depthBiasConstantFactor = 0.0f,
.depthBiasClamp = 0.0f,
.depthBiasSlopeFactor = 0.0f,
.lineWidth = 1.0f,
};
const VkPipelineMultisampleStateCreateInfo multisampling_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
.sampleShadingEnable = VK_FALSE,
.minSampleShading = 0.0f,
.pSampleMask = nullptr,
.alphaToCoverageEnable = VK_FALSE,
.alphaToOneEnable = VK_FALSE,
};
const VkPipelineColorBlendAttachmentState color_blend_attachment{
.blendEnable = VK_FALSE,
.srcColorBlendFactor = VK_BLEND_FACTOR_ZERO,
.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO,
.colorBlendOp = VK_BLEND_OP_ADD,
.srcAlphaBlendFactor = VK_BLEND_FACTOR_ZERO,
.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO,
.alphaBlendOp = VK_BLEND_OP_ADD,
.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT,
};
const VkPipelineColorBlendStateCreateInfo color_blend_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.logicOpEnable = VK_FALSE,
.logicOp = VK_LOGIC_OP_COPY,
.attachmentCount = 1,
.pAttachments = &color_blend_attachment,
.blendConstants = {0.0f, 0.0f, 0.0f, 0.0f},
};
static constexpr std::array dynamic_states{
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
const VkPipelineDynamicStateCreateInfo dynamic_state_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.dynamicStateCount = static_cast<u32>(dynamic_states.size()),
.pDynamicStates = dynamic_states.data(),
};
const VkGraphicsPipelineCreateInfo pipeline_ci{
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.stageCount = static_cast<u32>(shader_stages.size()),
.pStages = shader_stages.data(),
.pVertexInputState = &vertex_input_ci,
.pInputAssemblyState = &input_assembly_ci,
.pTessellationState = nullptr,
.pViewportState = &viewport_state_ci,
.pRasterizationState = &rasterization_ci,
.pMultisampleState = &multisampling_ci,
.pDepthStencilState = nullptr,
.pColorBlendState = &color_blend_ci,
.pDynamicState = &dynamic_state_ci,
.layout = *pipeline_layout,
.renderPass = *renderpass,
.subpass = 0,
.basePipelineHandle = 0,
.basePipelineIndex = 0,
};
pipeline = device.GetLogical().CreateGraphicsPipeline(pipeline_ci);
}
void VKBlitScreen::CreateSampler() {
const VkSamplerCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_NEAREST,
.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.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 VKBlitScreen::CreateFramebuffers() {
const VkExtent2D size{swapchain.GetSize()};
framebuffers.resize(image_count);
VkFramebufferCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.renderPass = *renderpass,
.attachmentCount = 1,
.pAttachments = nullptr,
.width = size.width,
.height = size.height,
.layers = 1,
};
for (std::size_t i = 0; i < image_count; ++i) {
const VkImageView image_view{swapchain.GetImageViewIndex(i)};
ci.pAttachments = &image_view;
framebuffers[i] = device.GetLogical().CreateFramebuffer(ci);
}
}
void VKBlitScreen::ReleaseRawImages() {
for (const u64 tick : resource_ticks) {
scheduler.Wait(tick);
}
raw_images.clear();
raw_buffer_commits.clear();
buffer.reset();
buffer_commit = MemoryCommit{};
}
void VKBlitScreen::CreateStagingBuffer(const Tegra::FramebufferConfig& framebuffer) {
const VkBufferCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = CalculateBufferSize(framebuffer),
.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
buffer = device.GetLogical().CreateBuffer(ci);
buffer_commit = memory_allocator.Commit(buffer, MemoryUsage::Upload);
}
void VKBlitScreen::CreateRawImages(const Tegra::FramebufferConfig& framebuffer) {
raw_images.resize(image_count);
raw_image_views.resize(image_count);
raw_buffer_commits.resize(image_count);
for (size_t i = 0; i < image_count; ++i) {
raw_images[i] = device.GetLogical().CreateImage(VkImageCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.imageType = VK_IMAGE_TYPE_2D,
.format = GetFormat(framebuffer),
.extent =
{
.width = framebuffer.width,
.height = framebuffer.height,
.depth = 1,
},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_LINEAR,
.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
});
raw_buffer_commits[i] = memory_allocator.Commit(raw_images[i], MemoryUsage::DeviceLocal);
raw_image_views[i] = device.GetLogical().CreateImageView(VkImageViewCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.image = *raw_images[i],
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = GetFormat(framebuffer),
.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 VKBlitScreen::UpdateDescriptorSet(std::size_t image_index, VkImageView image_view) const {
const VkDescriptorBufferInfo buffer_info{
.buffer = *buffer,
.offset = offsetof(BufferData, uniform),
.range = sizeof(BufferData::uniform),
};
const VkWriteDescriptorSet ubo_write{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = descriptor_sets[image_index],
.dstBinding = 0,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.pImageInfo = nullptr,
.pBufferInfo = &buffer_info,
.pTexelBufferView = nullptr,
};
const VkDescriptorImageInfo image_info{
.sampler = *sampler,
.imageView = image_view,
.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
};
const VkWriteDescriptorSet sampler_write{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = descriptor_sets[image_index],
.dstBinding = 1,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.pImageInfo = &image_info,
.pBufferInfo = nullptr,
.pTexelBufferView = nullptr,
};
device.GetLogical().UpdateDescriptorSets(std::array{ubo_write, sampler_write}, {});
}
void VKBlitScreen::SetUniformData(BufferData& data, const Layout::FramebufferLayout layout) const {
data.uniform.modelview_matrix =
MakeOrthographicMatrix(static_cast<f32>(layout.width), static_cast<f32>(layout.height));
}
void VKBlitScreen::SetVertexData(BufferData& data, const Tegra::FramebufferConfig& framebuffer,
const Layout::FramebufferLayout layout) const {
const auto& framebuffer_transform_flags = framebuffer.transform_flags;
const auto& framebuffer_crop_rect = framebuffer.crop_rect;
static constexpr Common::Rectangle<f32> texcoords{0.f, 0.f, 1.f, 1.f};
auto left = texcoords.left;
auto right = texcoords.right;
switch (framebuffer_transform_flags) {
case Tegra::FramebufferConfig::TransformFlags::Unset:
break;
case Tegra::FramebufferConfig::TransformFlags::FlipV:
// Flip the framebuffer vertically
left = texcoords.right;
right = texcoords.left;
break;
default:
UNIMPLEMENTED_MSG("Unsupported framebuffer_transform_flags={}",
static_cast<u32>(framebuffer_transform_flags));
break;
}
UNIMPLEMENTED_IF(framebuffer_crop_rect.top != 0);
UNIMPLEMENTED_IF(framebuffer_crop_rect.left != 0);
// Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
// (e.g. handheld mode) on a 1920x1080 framebuffer.
f32 scale_u = 1.0f;
f32 scale_v = 1.0f;
if (framebuffer_crop_rect.GetWidth() > 0) {
scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
static_cast<f32>(screen_info.width);
}
if (framebuffer_crop_rect.GetHeight() > 0) {
scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
static_cast<f32>(screen_info.height);
}
const auto& screen = layout.screen;
const auto x = static_cast<f32>(screen.left);
const auto y = static_cast<f32>(screen.top);
const auto w = static_cast<f32>(screen.GetWidth());
const auto h = static_cast<f32>(screen.GetHeight());
data.vertices[0] = ScreenRectVertex(x, y, texcoords.top * scale_u, left * scale_v);
data.vertices[1] = ScreenRectVertex(x + w, y, texcoords.bottom * scale_u, left * scale_v);
data.vertices[2] = ScreenRectVertex(x, y + h, texcoords.top * scale_u, right * scale_v);
data.vertices[3] = ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, right * scale_v);
}
u64 VKBlitScreen::CalculateBufferSize(const Tegra::FramebufferConfig& framebuffer) const {
return sizeof(BufferData) + GetSizeInBytes(framebuffer) * image_count;
}
u64 VKBlitScreen::GetRawImageOffset(const Tegra::FramebufferConfig& framebuffer,
std::size_t image_index) const {
constexpr auto first_image_offset = static_cast<u64>(sizeof(BufferData));
return first_image_offset + GetSizeInBytes(framebuffer) * image_index;
}
} // namespace Vulkan