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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstring>
#include "core/frontend/framebuffer_layout.h"
#include "video_core/host_shaders/vulkan_present_vert_spv.h"
#include "video_core/renderer_vulkan/present/util.h"
#include "video_core/renderer_vulkan/present/window_adapt_pass.h"
#include "video_core/renderer_vulkan/vk_present_manager.h"
#include "video_core/renderer_vulkan/vk_shader_util.h"
#include "video_core/vulkan_common/vulkan_device.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.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),
},
}};
}
};
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
}
} // Anonymous namespace
struct WindowAdaptPass::BufferData {
struct {
std::array<f32, 4 * 4> modelview_matrix;
} uniform;
std::array<ScreenRectVertex, 4> vertices;
};
WindowAdaptPass::WindowAdaptPass(const Device& device_, const MemoryAllocator& memory_allocator,
size_t num_images, VkFormat frame_format, vk::Sampler&& sampler_,
vk::ShaderModule&& fragment_shader_)
: device(device_), sampler(std::move(sampler_)), fragment_shader(std::move(fragment_shader_)) {
CreateDescriptorPool(num_images);
CreateDescriptorSetLayout();
CreateDescriptorSets(num_images);
CreatePipelineLayout();
CreateVertexShader();
CreateRenderPass(frame_format);
CreatePipeline();
CreateBuffer(memory_allocator);
}
WindowAdaptPass::~WindowAdaptPass() = default;
void WindowAdaptPass::Draw(Scheduler& scheduler, size_t image_index, VkImageView src_image_view,
VkExtent2D src_image_extent, const Common::Rectangle<f32>& crop_rect,
const Layout::FramebufferLayout& layout, Frame* dst) {
ConfigureLayout(image_index, src_image_view, layout, crop_rect);
const VkFramebuffer host_framebuffer{*dst->framebuffer};
const VkRenderPass renderpass{*render_pass};
const VkPipeline graphics_pipeline{*pipeline};
const VkPipelineLayout graphics_pipeline_layout{*pipeline_layout};
const VkDescriptorSet descriptor_set{descriptor_sets[image_index]};
const VkBuffer vertex_buffer{*buffer};
const VkExtent2D render_area{
.width = dst->width,
.height = dst->height,
};
scheduler.Record([=](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 = render_area,
},
.clearValueCount = 1,
.pClearValues = &clear_color,
};
const VkViewport viewport{
.x = 0.0f,
.y = 0.0f,
.width = static_cast<float>(render_area.width),
.height = static_cast<float>(render_area.height),
.minDepth = 0.0f,
.maxDepth = 1.0f,
};
const VkRect2D scissor{
.offset = {0, 0},
.extent = render_area,
};
cmdbuf.BeginRenderPass(renderpass_bi, VK_SUBPASS_CONTENTS_INLINE);
cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipeline);
cmdbuf.SetViewport(0, viewport);
cmdbuf.SetScissor(0, scissor);
cmdbuf.BindVertexBuffer(0, vertex_buffer, offsetof(BufferData, vertices));
cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipeline_layout, 0,
descriptor_set, {});
cmdbuf.Draw(4, 1, 0, 0);
cmdbuf.EndRenderPass();
});
}
VkRenderPass WindowAdaptPass::GetRenderPass() {
return *render_pass;
}
void WindowAdaptPass::CreateDescriptorPool(size_t num_images) {
const std::array<VkDescriptorPoolSize, 2> pool_sizes{{
{
.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = static_cast<u32>(num_images),
},
{
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = static_cast<u32>(num_images),
},
}};
const VkDescriptorPoolCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.maxSets = static_cast<u32>(num_images),
.poolSizeCount = static_cast<u32>(pool_sizes.size()),
.pPoolSizes = pool_sizes.data(),
};
descriptor_pool = device.GetLogical().CreateDescriptorPool(ci);
}
void WindowAdaptPass::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 WindowAdaptPass::CreateDescriptorSets(size_t num_images) {
const std::vector layouts(num_images, *descriptor_set_layout);
descriptor_sets = CreateWrappedDescriptorSets(descriptor_pool, layouts);
}
void WindowAdaptPass::CreateBuffer(const MemoryAllocator& memory_allocator) {
const VkBufferCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = sizeof(BufferData),
.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 = memory_allocator.CreateBuffer(ci, MemoryUsage::Upload);
}
void WindowAdaptPass::CreateRenderPass(VkFormat frame_format) {
const VkAttachmentDescription color_attachment{
.flags = 0,
.format = frame_format,
.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_GENERAL,
};
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,
};
render_pass = device.GetLogical().CreateRenderPass(renderpass_ci);
}
void WindowAdaptPass::CreateVertexShader() {
vertex_shader = BuildShader(device, VULKAN_PRESENT_VERT_SPV);
}
void WindowAdaptPass::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 WindowAdaptPass::SetUniformData(BufferData& data,
const Layout::FramebufferLayout& layout) const {
data.uniform.modelview_matrix =
MakeOrthographicMatrix(static_cast<f32>(layout.width), static_cast<f32>(layout.height));
}
void WindowAdaptPass::SetVertexData(BufferData& data, const Layout::FramebufferLayout& layout,
const Common::Rectangle<f32>& crop) const {
// Map the coordinates to the screen.
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, crop.left, crop.top);
data.vertices[1] = ScreenRectVertex(x + w, y, crop.right, crop.top);
data.vertices[2] = ScreenRectVertex(x, y + h, crop.left, crop.bottom);
data.vertices[3] = ScreenRectVertex(x + w, y + h, crop.right, crop.bottom);
}
void WindowAdaptPass::UpdateDescriptorSet(size_t image_index, VkImageView image_view) {
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 WindowAdaptPass::ConfigureLayout(size_t image_index, VkImageView image_view,
const Layout::FramebufferLayout& layout,
const Common::Rectangle<f32>& crop_rect) {
BufferData data;
SetUniformData(data, layout);
SetVertexData(data, layout, crop_rect);
const std::span<u8> mapped_span = buffer.Mapped();
std::memcpy(mapped_span.data(), &data, sizeof(data));
UpdateDescriptorSet(image_index, image_view);
}
void WindowAdaptPass::CreatePipeline() {
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 = *render_pass,
.subpass = 0,
.basePipelineHandle = 0,
.basePipelineIndex = 0,
};
pipeline = device.GetLogical().CreateGraphicsPipeline(pipeline_ci);
}
} // namespace Vulkan
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