1 files changed, 137 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp b/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp
new file mode 100644
index 000000000..c5db0230d
--- /dev/null
+++ b/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp
@@ -0,0 +1,137 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/frontend/framebuffer_layout.h"
+#include "video_core/framebuffer_config.h"
+#include "video_core/host_shaders/vulkan_present_vert_spv.h"
+#include "video_core/renderer_vulkan/present/layer.h"
+#include "video_core/renderer_vulkan/present/present_push_constants.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 {
+
+WindowAdaptPass::WindowAdaptPass(const Device& device_, VkFormat frame_format,
+                                 vk::Sampler&& sampler_, vk::ShaderModule&& fragment_shader_)
+    : device(device_), sampler(std::move(sampler_)), fragment_shader(std::move(fragment_shader_)) {
+    CreateDescriptorSetLayout();
+    CreatePipelineLayout();
+    CreateVertexShader();
+    CreateRenderPass(frame_format);
+    CreatePipeline();
+}
+
+WindowAdaptPass::~WindowAdaptPass() = default;
+
+void WindowAdaptPass::Draw(RasterizerVulkan& rasterizer, Scheduler& scheduler, size_t image_index,
+                           std::list<Layer>& layers,
+                           std::span<const Tegra::FramebufferConfig> configs,
+                           const Layout::FramebufferLayout& layout, Frame* dst) {
+
+    const VkFramebuffer host_framebuffer{*dst->framebuffer};
+    const VkRenderPass renderpass{*render_pass};
+    const VkPipeline graphics_pipeline{*pipeline};
+    const VkPipelineLayout graphics_pipeline_layout{*pipeline_layout};
+    const VkExtent2D render_area{
+        .width = dst->width,
+        .height = dst->height,
+    };
+
+    const size_t layer_count = configs.size();
+    std::vector<PresentPushConstants> push_constants(layer_count);
+    std::vector<VkDescriptorSet> descriptor_sets(layer_count);
+
+    auto layer_it = layers.begin();
+    for (size_t i = 0; i < layer_count; i++) {
+        layer_it->ConfigureDraw(&push_constants[i], &descriptor_sets[i], rasterizer, *sampler,
+                                image_index, configs[i], layout);
+        layer_it++;
+    }
+
+    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 VkClearAttachment clear_attachment{
+            .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+            .colorAttachment = 0,
+            .clearValue =
+                {
+                    .color = {.float32 = {bg_red, bg_green, bg_blue, 1.0f}},
+                },
+        };
+        const VkClearRect clear_rect{
+            .rect =
+                {
+                    .offset = {0, 0},
+                    .extent = render_area,
+                },
+            .baseArrayLayer = 0,
+            .layerCount = 1,
+        };
+
+        BeginRenderPass(cmdbuf, renderpass, host_framebuffer, render_area);
+        cmdbuf.ClearAttachments({clear_attachment}, {clear_rect});
+
+        cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipeline);
+        for (size_t i = 0; i < layer_count; i++) {
+            cmdbuf.PushConstants(graphics_pipeline_layout, VK_SHADER_STAGE_VERTEX_BIT,
+                                 push_constants[i]);
+            cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipeline_layout, 0,
+                                      descriptor_sets[i], {});
+            cmdbuf.Draw(4, 1, 0, 0);
+        }
+
+        cmdbuf.EndRenderPass();
+    });
+}
+
+VkDescriptorSetLayout WindowAdaptPass::GetDescriptorSetLayout() {
+    return *descriptor_set_layout;
+}
+
+VkRenderPass WindowAdaptPass::GetRenderPass() {
+    return *render_pass;
+}
+
+void WindowAdaptPass::CreateDescriptorSetLayout() {
+    descriptor_set_layout =
+        CreateWrappedDescriptorSetLayout(device, {VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER});
+}
+
+void WindowAdaptPass::CreatePipelineLayout() {
+    const VkPushConstantRange range{
+        .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
+        .offset = 0,
+        .size = sizeof(PresentPushConstants),
+    };
+
+    pipeline_layout = device.GetLogical().CreatePipelineLayout(VkPipelineLayoutCreateInfo{
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+        .pNext = nullptr,
+        .flags = 0,
+        .setLayoutCount = 1,
+        .pSetLayouts = descriptor_set_layout.address(),
+        .pushConstantRangeCount = 1,
+        .pPushConstantRanges = &range,
+    });
+}
+
+void WindowAdaptPass::CreateVertexShader() {
+    vertex_shader = BuildShader(device, VULKAN_PRESENT_VERT_SPV);
+}
+
+void WindowAdaptPass::CreateRenderPass(VkFormat frame_format) {
+    render_pass = CreateWrappedRenderPass(device, frame_format, VK_IMAGE_LAYOUT_UNDEFINED);
+}
+
+void WindowAdaptPass::CreatePipeline() {
+    pipeline = CreateWrappedPipeline(device, render_pass, pipeline_layout,
+                                     std::tie(vertex_shader, fragment_shader), false);
+}
+
+} // namespace Vulkan