nvnflinger/gpu: implement blending

21 files changed, 166 insertions, 75 deletions

diff --git a/src/video_core/framebuffer_config.h b/src/video_core/framebuffer_config.h
index 6a18b76fb..8b2a49de5 100644
--- a/src/video_core/framebuffer_config.h
+++ b/src/video_core/framebuffer_config.h
@@ -11,6 +11,12 @@
 
 namespace Tegra {
 
+enum class BlendMode {
+    Opaque,
+    Premultiplied,
+    Coverage,
+};
+
 /**
  * Struct describing framebuffer configuration
  */
@@ -23,6 +29,7 @@ struct FramebufferConfig {
     Service::android::PixelFormat pixel_format{};
     Service::android::BufferTransformFlags transform_flags{};
     Common::Rectangle<int> crop_rect{};
+    BlendMode blending{};
 };
 
 Common::Rectangle<f32> NormalizeCrop(const FramebufferConfig& framebuffer, u32 texture_width,
diff --git a/src/video_core/host_shaders/fidelityfx_fsr.frag b/src/video_core/host_shaders/fidelityfx_fsr.frag
index a266e1c4e..54eedb450 100644
--- a/src/video_core/host_shaders/fidelityfx_fsr.frag
+++ b/src/video_core/host_shaders/fidelityfx_fsr.frag
@@ -37,6 +37,7 @@ layout(set=0,binding=0) uniform sampler2D InputTexture;
 
 #define A_GPU 1
 #define A_GLSL 1
+#define FSR_RCAS_PASSTHROUGH_ALPHA 1
 
 #ifndef YUZU_USE_FP16
     #include "ffx_a.h"
@@ -71,9 +72,7 @@ layout(set=0,binding=0) uniform sampler2D InputTexture;
 
 #include "ffx_fsr1.h"
 
-#if USE_RCAS
-    layout(location = 0) in vec2 frag_texcoord;
-#endif
+layout (location = 0) in vec2 frag_texcoord;
 layout (location = 0) out vec4 frag_color;
 
 void CurrFilter(AU2 pos) {
@@ -81,22 +80,22 @@ void CurrFilter(AU2 pos) {
     #ifndef YUZU_USE_FP16
         AF3 c;
         FsrEasuF(c, pos, Const0, Const1, Const2, Const3);
-        frag_color = AF4(c, 1.0);
+        frag_color = AF4(c, texture(InputTexture, frag_texcoord).a);
     #else
         AH3 c;
         FsrEasuH(c, pos, Const0, Const1, Const2, Const3);
-        frag_color = AH4(c, 1.0);
+        frag_color = AH4(c, texture(InputTexture, frag_texcoord).a);
     #endif
 #endif
 #if USE_RCAS
     #ifndef YUZU_USE_FP16
-        AF3 c;
-        FsrRcasF(c.r, c.g, c.b, pos, Const0);
-        frag_color = AF4(c, 1.0);
+        AF4 c;
+        FsrRcasF(c.r, c.g, c.b, c.a, pos, Const0);
+        frag_color = c;
     #else
-        AH3 c;
-        FsrRcasH(c.r, c.g, c.b, pos, Const0);
-        frag_color = AH4(c, 1.0);
+        AH4 c;
+        FsrRcasH(c.r, c.g, c.b, c.a, pos, Const0);
+        frag_color = c;
     #endif
 #endif
 }
diff --git a/src/video_core/host_shaders/fxaa.frag b/src/video_core/host_shaders/fxaa.frag
index 9bffc20d5..192a602c1 100644
--- a/src/video_core/host_shaders/fxaa.frag
+++ b/src/video_core/host_shaders/fxaa.frag
@@ -71,5 +71,5 @@ vec3 FxaaPixelShader(vec4 posPos, sampler2D tex) {
 }
 
 void main() {
-  frag_color = vec4(FxaaPixelShader(posPos, input_texture), 1.0);
+  frag_color = vec4(FxaaPixelShader(posPos, input_texture), texture(input_texture, posPos.xy).a);
 }
diff --git a/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag b/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag
index 16d22f58e..fc47d3810 100644
--- a/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag
+++ b/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag
@@ -31,6 +31,7 @@ layout (location = 0) uniform uvec4 constants[4];
 
 #define A_GPU 1
 #define A_GLSL 1
+#define FSR_RCAS_PASSTHROUGH_ALPHA 1
 
 #ifdef YUZU_USE_FP16
     #define A_HALF
@@ -67,9 +68,7 @@ layout (location = 0) uniform uvec4 constants[4];
 
 #include "ffx_fsr1.h"
 
-#if USE_RCAS
-    layout(location = 0) in vec2 frag_texcoord;
-#endif
+layout (location = 0) in vec2 frag_texcoord;
 layout (location = 0) out vec4 frag_color;
 
 void CurrFilter(AU2 pos)
@@ -78,22 +77,22 @@ void CurrFilter(AU2 pos)
     #ifndef YUZU_USE_FP16
         AF3 c;
         FsrEasuF(c, pos, constants[0], constants[1], constants[2], constants[3]);
-        frag_color = AF4(c, 1.0);
+        frag_color = AF4(c, texture(InputTexture, frag_texcoord).a);
     #else
         AH3 c;
         FsrEasuH(c, pos, constants[0], constants[1], constants[2], constants[3]);
-        frag_color = AH4(c, 1.0);
+        frag_color = AH4(c, texture(InputTexture, frag_texcoord).a);
     #endif
 #endif
 #if USE_RCAS
     #ifndef YUZU_USE_FP16
-        AF3 c;
-        FsrRcasF(c.r, c.g, c.b, pos, constants[0]);
-        frag_color = AF4(c, 1.0);
+        AF4 c;
+        FsrRcasF(c.r, c.g, c.b, c.a, pos, constants[0]);
+        frag_color = c;
     #else
         AH3 c;
-        FsrRcasH(c.r, c.g, c.b, pos, constants[0]);
-        frag_color = AH4(c, 1.0);
+        FsrRcasH(c.r, c.g, c.b, c.a, pos, constants[0]);
+        frag_color = c;
     #endif
 #endif
 }
diff --git a/src/video_core/host_shaders/opengl_present.frag b/src/video_core/host_shaders/opengl_present.frag
index 5fd7ad297..096b4e4db 100644
--- a/src/video_core/host_shaders/opengl_present.frag
+++ b/src/video_core/host_shaders/opengl_present.frag
@@ -9,5 +9,5 @@ layout (location = 0) out vec4 color;
 layout (binding = 0) uniform sampler2D color_texture;
 
 void main() {
-    color = vec4(texture(color_texture, frag_tex_coord).rgb, 1.0f);
+    color = vec4(texture(color_texture, frag_tex_coord));
 }
diff --git a/src/video_core/host_shaders/present_bicubic.frag b/src/video_core/host_shaders/present_bicubic.frag
index c814629cf..a9d9d40a3 100644
--- a/src/video_core/host_shaders/present_bicubic.frag
+++ b/src/video_core/host_shaders/present_bicubic.frag
@@ -52,5 +52,5 @@ vec4 textureBicubic( sampler2D textureSampler, vec2 texCoords ) {
 }
 
 void main() {
-    color = vec4(textureBicubic(color_texture, frag_tex_coord).rgb, 1.0f);
+    color = textureBicubic(color_texture, frag_tex_coord);
 }
diff --git a/src/video_core/host_shaders/present_gaussian.frag b/src/video_core/host_shaders/present_gaussian.frag
index ad9bb76a4..78edeb9b4 100644
--- a/src/video_core/host_shaders/present_gaussian.frag
+++ b/src/video_core/host_shaders/present_gaussian.frag
@@ -46,14 +46,14 @@ vec4 blurDiagonal(sampler2D textureSampler, vec2 coord, vec2 norm) {
 }
 
 void main() {
-    vec3 base = texture(color_texture, vec2(frag_tex_coord)).rgb * weight[0];
+    vec4 base = texture(color_texture, vec2(frag_tex_coord)) * weight[0];
     vec2 tex_offset = 1.0f / textureSize(color_texture, 0);
 
     // TODO(Blinkhawk): This code can be optimized through shader group instructions.
-    vec3 horizontal = blurHorizontal(color_texture, frag_tex_coord, tex_offset).rgb;
-    vec3 vertical = blurVertical(color_texture, frag_tex_coord, tex_offset).rgb;
-    vec3 diagonalA = blurDiagonal(color_texture, frag_tex_coord, tex_offset).rgb;
-    vec3 diagonalB = blurDiagonal(color_texture, frag_tex_coord, tex_offset * vec2(1.0, -1.0)).rgb;
-    vec3 combination = mix(mix(horizontal, vertical, 0.5f), mix(diagonalA, diagonalB, 0.5f), 0.5f);
-    color = vec4(combination + base, 1.0f);
+    vec4 horizontal = blurHorizontal(color_texture, frag_tex_coord, tex_offset);
+    vec4 vertical = blurVertical(color_texture, frag_tex_coord, tex_offset);
+    vec4 diagonalA = blurDiagonal(color_texture, frag_tex_coord, tex_offset);
+    vec4 diagonalB = blurDiagonal(color_texture, frag_tex_coord, tex_offset * vec2(1.0, -1.0));
+    vec4 combination = mix(mix(horizontal, vertical, 0.5f), mix(diagonalA, diagonalB, 0.5f), 0.5f);
+    color = combination + base;
 }
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16.frag b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16.frag
index d369bef06..05d033310 100644
--- a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16.frag
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16.frag
@@ -6,5 +6,6 @@
 
 #define YUZU_USE_FP16
 #define USE_EASU 1
+#define VERSION 1
 
 #include "fidelityfx_fsr.frag"
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32.frag b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32.frag
index 6f25ef00f..7ae11dd66 100644
--- a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32.frag
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32.frag
@@ -5,5 +5,6 @@
 #extension GL_GOOGLE_include_directive : enable
 
 #define USE_EASU 1
+#define VERSION 1
 
 #include "fidelityfx_fsr.frag"
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16.frag b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16.frag
index 0c953a900..c017214a5 100644
--- a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16.frag
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16.frag
@@ -6,5 +6,6 @@
 
 #define YUZU_USE_FP16
 #define USE_RCAS 1
+#define VERSION 1
 
 #include "fidelityfx_fsr.frag"
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32.frag b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32.frag
index 02e9a27c6..976825f4b 100644
--- a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32.frag
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32.frag
@@ -5,5 +5,6 @@
 #extension GL_GOOGLE_include_directive : enable
 
 #define USE_RCAS 1
+#define VERSION 1
 
 #include "fidelityfx_fsr.frag"
diff --git a/src/video_core/host_shaders/vulkan_present_scaleforce_fp16.frag b/src/video_core/host_shaders/vulkan_present_scaleforce_fp16.frag
index 79ea817c2..cea5dac9d 100644
--- a/src/video_core/host_shaders/vulkan_present_scaleforce_fp16.frag
+++ b/src/video_core/host_shaders/vulkan_present_scaleforce_fp16.frag
@@ -5,7 +5,7 @@
 
 #extension GL_GOOGLE_include_directive : enable
 
-#define VERSION 1
+#define VERSION 2
 #define YUZU_USE_FP16
 
 #include "opengl_present_scaleforce.frag"
diff --git a/src/video_core/host_shaders/vulkan_present_scaleforce_fp32.frag b/src/video_core/host_shaders/vulkan_present_scaleforce_fp32.frag
index 9605bb58b..10ddf0401 100644
--- a/src/video_core/host_shaders/vulkan_present_scaleforce_fp32.frag
+++ b/src/video_core/host_shaders/vulkan_present_scaleforce_fp32.frag
@@ -5,6 +5,6 @@
 
 #extension GL_GOOGLE_include_directive : enable
 
-#define VERSION 1
+#define VERSION 2
 
 #include "opengl_present_scaleforce.frag"
diff --git a/src/video_core/renderer_opengl/present/window_adapt_pass.cpp b/src/video_core/renderer_opengl/present/window_adapt_pass.cpp
index 4d681606b..0328abd70 100644
--- a/src/video_core/renderer_opengl/present/window_adapt_pass.cpp
+++ b/src/video_core/renderer_opengl/present/window_adapt_pass.cpp
@@ -92,6 +92,21 @@ void WindowAdaptPass::DrawToFramebuffer(ProgramManager& program_manager, std::li
     glClear(GL_COLOR_BUFFER_BIT);
 
     for (size_t i = 0; i < layer_count; i++) {
+        switch (framebuffers[i].blending) {
+        case Tegra::BlendMode::Opaque:
+        default:
+            glDisablei(GL_BLEND, 0);
+            break;
+        case Tegra::BlendMode::Premultiplied:
+            glEnablei(GL_BLEND, 0);
+            glBlendFuncSeparatei(0, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+            break;
+        case Tegra::BlendMode::Coverage:
+            glEnablei(GL_BLEND, 0);
+            glBlendFuncSeparatei(0, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+            break;
+        }
+
         glBindTextureUnit(0, textures[i]);
         glProgramUniformMatrix3x2fv(vert.handle, ModelViewMatrixLocation, 1, GL_FALSE,
                                     matrices[i].data());
diff --git a/src/video_core/renderer_vulkan/present/util.cpp b/src/video_core/renderer_vulkan/present/util.cpp
index 6ee16595d..7f27c7c1b 100644
--- a/src/video_core/renderer_vulkan/present/util.cpp
+++ b/src/video_core/renderer_vulkan/present/util.cpp
@@ -362,10 +362,10 @@ vk::PipelineLayout CreateWrappedPipelineLayout(const Device& device,
     });
 }
 
-vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderpass,
-                                   vk::PipelineLayout& layout,
-                                   std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders,
-                                   bool enable_blending) {
+static vk::Pipeline CreateWrappedPipelineImpl(
+    const Device& device, vk::RenderPass& renderpass, vk::PipelineLayout& layout,
+    std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders,
+    VkPipelineColorBlendAttachmentState blending) {
     const std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages{{
         {
             .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
@@ -443,30 +443,6 @@ vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderp
         .alphaToOneEnable = VK_FALSE,
     };
 
-    constexpr VkPipelineColorBlendAttachmentState color_blend_attachment_disabled{
-        .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,
-    };
-
-    constexpr VkPipelineColorBlendAttachmentState color_blend_attachment_enabled{
-        .blendEnable = VK_TRUE,
-        .srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA,
-        .dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
-        .colorBlendOp = VK_BLEND_OP_ADD,
-        .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
-        .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,
@@ -474,8 +450,7 @@ vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderp
         .logicOpEnable = VK_FALSE,
         .logicOp = VK_LOGIC_OP_COPY,
         .attachmentCount = 1,
-        .pAttachments =
-            enable_blending ? &color_blend_attachment_enabled : &color_blend_attachment_disabled,
+        .pAttachments = &blending,
         .blendConstants = {0.0f, 0.0f, 0.0f, 0.0f},
     };
 
@@ -515,6 +490,63 @@ vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderp
     });
 }
 
+vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderpass,
+                                   vk::PipelineLayout& layout,
+                                   std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders) {
+    constexpr VkPipelineColorBlendAttachmentState color_blend_attachment_disabled{
+        .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,
+    };
+
+    return CreateWrappedPipelineImpl(device, renderpass, layout, shaders,
+                                     color_blend_attachment_disabled);
+}
+
+vk::Pipeline CreateWrappedPremultipliedBlendingPipeline(
+    const Device& device, vk::RenderPass& renderpass, vk::PipelineLayout& layout,
+    std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders) {
+    constexpr VkPipelineColorBlendAttachmentState color_blend_attachment_premultiplied{
+        .blendEnable = VK_TRUE,
+        .srcColorBlendFactor = VK_BLEND_FACTOR_ONE,
+        .dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
+        .colorBlendOp = VK_BLEND_OP_ADD,
+        .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
+        .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,
+    };
+
+    return CreateWrappedPipelineImpl(device, renderpass, layout, shaders,
+                                     color_blend_attachment_premultiplied);
+}
+
+vk::Pipeline CreateWrappedCoverageBlendingPipeline(
+    const Device& device, vk::RenderPass& renderpass, vk::PipelineLayout& layout,
+    std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders) {
+    constexpr VkPipelineColorBlendAttachmentState color_blend_attachment_coverage{
+        .blendEnable = VK_TRUE,
+        .srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA,
+        .dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
+        .colorBlendOp = VK_BLEND_OP_ADD,
+        .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
+        .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,
+    };
+
+    return CreateWrappedPipelineImpl(device, renderpass, layout, shaders,
+                                     color_blend_attachment_coverage);
+}
+
 VkWriteDescriptorSet CreateWriteDescriptorSet(std::vector<VkDescriptorImageInfo>& images,
                                               VkSampler sampler, VkImageView view,
                                               VkDescriptorSet set, u32 binding) {
diff --git a/src/video_core/renderer_vulkan/present/util.h b/src/video_core/renderer_vulkan/present/util.h
index 1104aaa15..5b22f0fa8 100644
--- a/src/video_core/renderer_vulkan/present/util.h
+++ b/src/video_core/renderer_vulkan/present/util.h
@@ -42,8 +42,13 @@ vk::PipelineLayout CreateWrappedPipelineLayout(const Device& device,
                                                vk::DescriptorSetLayout& layout);
 vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderpass,
                                    vk::PipelineLayout& layout,
-                                   std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders,
-                                   bool enable_blending = false);
+                                   std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders);
+vk::Pipeline CreateWrappedPremultipliedBlendingPipeline(
+    const Device& device, vk::RenderPass& renderpass, vk::PipelineLayout& layout,
+    std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders);
+vk::Pipeline CreateWrappedCoverageBlendingPipeline(
+    const Device& device, vk::RenderPass& renderpass, vk::PipelineLayout& layout,
+    std::tuple<vk::ShaderModule&, vk::ShaderModule&> shaders);
 VkWriteDescriptorSet CreateWriteDescriptorSet(std::vector<VkDescriptorImageInfo>& images,
                                               VkSampler sampler, VkImageView view,
                                               VkDescriptorSet set, u32 binding);
diff --git a/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp b/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp
index c5db0230d..22ffacf11 100644
--- a/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp
+++ b/src/video_core/renderer_vulkan/present/window_adapt_pass.cpp
@@ -22,7 +22,7 @@ WindowAdaptPass::WindowAdaptPass(const Device& device_, VkFormat frame_format,
     CreatePipelineLayout();
     CreateVertexShader();
     CreateRenderPass(frame_format);
-    CreatePipeline();
+    CreatePipelines();
 }
 
 WindowAdaptPass::~WindowAdaptPass() = default;
@@ -34,7 +34,6 @@ void WindowAdaptPass::Draw(RasterizerVulkan& rasterizer, Scheduler& scheduler, s
 
     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,
@@ -44,9 +43,23 @@ void WindowAdaptPass::Draw(RasterizerVulkan& rasterizer, Scheduler& scheduler, s
     const size_t layer_count = configs.size();
     std::vector<PresentPushConstants> push_constants(layer_count);
     std::vector<VkDescriptorSet> descriptor_sets(layer_count);
+    std::vector<VkPipeline> graphics_pipelines(layer_count);
 
     auto layer_it = layers.begin();
     for (size_t i = 0; i < layer_count; i++) {
+        switch (configs[i].blending) {
+        case Tegra::BlendMode::Opaque:
+        default:
+            graphics_pipelines[i] = *opaque_pipeline;
+            break;
+        case Tegra::BlendMode::Premultiplied:
+            graphics_pipelines[i] = *premultiplied_pipeline;
+            break;
+        case Tegra::BlendMode::Coverage:
+            graphics_pipelines[i] = *coverage_pipeline;
+            break;
+        }
+
         layer_it->ConfigureDraw(&push_constants[i], &descriptor_sets[i], rasterizer, *sampler,
                                 image_index, configs[i], layout);
         layer_it++;
@@ -77,8 +90,8 @@ void WindowAdaptPass::Draw(RasterizerVulkan& rasterizer, Scheduler& scheduler, s
         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.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipelines[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,
@@ -129,9 +142,13 @@ 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);
+void WindowAdaptPass::CreatePipelines() {
+    opaque_pipeline = CreateWrappedPipeline(device, render_pass, pipeline_layout,
+                                            std::tie(vertex_shader, fragment_shader));
+    premultiplied_pipeline = CreateWrappedPremultipliedBlendingPipeline(
+        device, render_pass, pipeline_layout, std::tie(vertex_shader, fragment_shader));
+    coverage_pipeline = CreateWrappedCoverageBlendingPipeline(
+        device, render_pass, pipeline_layout, std::tie(vertex_shader, fragment_shader));
 }
 
 } // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/present/window_adapt_pass.h b/src/video_core/renderer_vulkan/present/window_adapt_pass.h
index 0e2edfc31..cf667a4fc 100644
--- a/src/video_core/renderer_vulkan/present/window_adapt_pass.h
+++ b/src/video_core/renderer_vulkan/present/window_adapt_pass.h
@@ -42,7 +42,7 @@ private:
     void CreatePipelineLayout();
     void CreateVertexShader();
     void CreateRenderPass(VkFormat frame_format);
-    void CreatePipeline();
+    void CreatePipelines();
 
 private:
     const Device& device;
@@ -52,7 +52,9 @@ private:
     vk::ShaderModule vertex_shader;
     vk::ShaderModule fragment_shader;
     vk::RenderPass render_pass;
-    vk::Pipeline pipeline;
+    vk::Pipeline opaque_pipeline;
+    vk::Pipeline premultiplied_pipeline;
+    vk::Pipeline coverage_pipeline;
 };
 
 } // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/renderer_vulkan.cpp b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
index 48a105327..c7c234fd8 100644
--- a/src/video_core/renderer_vulkan/renderer_vulkan.cpp
+++ b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
@@ -101,8 +101,10 @@ RendererVulkan::RendererVulkan(Core::TelemetrySession& telemetry_session_,
                       surface),
       blit_swapchain(device_memory, device, memory_allocator, present_manager, scheduler),
       blit_screenshot(device_memory, device, memory_allocator, present_manager, scheduler),
+      blit_application_layer(device_memory, device, memory_allocator, present_manager, scheduler),
       rasterizer(render_window, gpu, device_memory, device, memory_allocator, state_tracker,
-                 scheduler) {
+                 scheduler),
+      application_frame() {
     if (Settings::values.renderer_force_max_clock.GetValue() && device.ShouldBoostClocks()) {
         turbo_mode.emplace(instance, dld);
         scheduler.RegisterOnSubmit([this] { turbo_mode->QueueSubmitted(); });
diff --git a/src/video_core/renderer_vulkan/renderer_vulkan.h b/src/video_core/renderer_vulkan/renderer_vulkan.h
index c6d8a0f21..ed9c7af7f 100644
--- a/src/video_core/renderer_vulkan/renderer_vulkan.h
+++ b/src/video_core/renderer_vulkan/renderer_vulkan.h
@@ -80,8 +80,11 @@ private:
     PresentManager present_manager;
     BlitScreen blit_swapchain;
     BlitScreen blit_screenshot;
+    BlitScreen blit_application_layer;
     RasterizerVulkan rasterizer;
     std::optional<TurboMode> turbo_mode;
+
+    Frame application_frame;
 };
 
 } // namespace Vulkan
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index a20c956ff..3a1cc060e 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -746,7 +746,13 @@ std::pair<typename P::ImageView*, bool> TextureCache<P>::TryFindFramebufferImage
     }();
 
     const auto GetImageViewForFramebuffer = [&](ImageId image_id) {
-        const ImageViewInfo info{ImageViewType::e2D, view_format};
+        ImageViewInfo info{ImageViewType::e2D, view_format};
+        if (config.blending == Tegra::BlendMode::Opaque) {
+            info.x_source = static_cast<u8>(SwizzleSource::R);
+            info.y_source = static_cast<u8>(SwizzleSource::G);
+            info.z_source = static_cast<u8>(SwizzleSource::B);
+            info.w_source = static_cast<u8>(SwizzleSource::OneFloat);
+        }
         return std::make_pair(&slot_image_views[FindOrEmplaceImageView(image_id, info)],
                               slot_images[image_id].IsRescaled());
     };