TextureCache: Add R16G16 to D24S8 converter.

src/video_core/host_shaders/CMakeLists.txt

@@ -17,6 +17,7 @@ set(SHADER_FILES
     convert_d24s8_to_r16g16.frag
     convert_depth_to_float.frag
     convert_float_to_depth.frag
+    convert_r16g16_to_d24s8.frag
     full_screen_triangle.vert
     fxaa.frag
     fxaa.vert

src/video_core/host_shaders/convert_r16g16_to_d24s8.frag

@@ -0,0 +1,18 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 450
+// #extension GL_ARB_shader_stencil_export : require
+
+layout(binding = 0) uniform sampler2D color_texture;
+
+void main() {
+    ivec2 coord = ivec2(gl_FragCoord.xy);
+    vec4 color = texelFetch(color_texture, coord, 0).rgba;
+    uint depth_stencil_unorm = (uint(color.r * (exp2(16) - 1.0f)) << 16)
+                      | (uint(color.g * (exp2(16) - 1.0f)) << 16);
+
+    gl_FragDepth = float(depth_stencil_unorm >> 8) / (exp2(24.0) - 1.0f);
+    // gl_FragStencilRefARB = int(depth_stencil_unorm & 0x00FF);
+}

src/video_core/renderer_vulkan/blit_image.cpp

@@ -11,6 +11,7 @@
 #include "video_core/host_shaders/convert_d24s8_to_r16g16_frag_spv.h"
 #include "video_core/host_shaders/convert_depth_to_float_frag_spv.h"
 #include "video_core/host_shaders/convert_float_to_depth_frag_spv.h"
+#include "video_core/host_shaders/convert_r16g16_to_d24s8_frag_spv.h"
 #include "video_core/host_shaders/full_screen_triangle_vert_spv.h"
 #include "video_core/host_shaders/vulkan_blit_color_float_frag_spv.h"
 #include "video_core/host_shaders/vulkan_blit_depth_stencil_frag_spv.h"
@@ -361,6 +362,7 @@ BlitImageHelper::BlitImageHelper(const Device& device_, VKScheduler& scheduler_,
       convert_float_to_depth_frag(BuildShader(device, CONVERT_FLOAT_TO_DEPTH_FRAG_SPV)),
       convert_abgr8_to_d24s8_frag(BuildShader(device, CONVERT_ABGR8_TO_D24S8_FRAG_SPV)),
       convert_b10g11r11_to_d24s8_frag(BuildShader(device, CONVERT_B10G11R11_TO_D24S8_FRAG_SPV)),
+      convert_r16g16_to_d24s8_frag(BuildShader(device, CONVERT_R16G16_TO_D24S8_FRAG_SPV)),
       convert_d24s8_to_abgr8_frag(BuildShader(device, CONVERT_D24S8_TO_ABGR8_FRAG_SPV)),
       convert_d24s8_to_b10g11r11_frag(BuildShader(device, CONVERT_D24S8_TO_B10G11R11_FRAG_SPV)),
       convert_d24s8_to_r16g16_frag(BuildShader(device, CONVERT_D24S8_TO_R16G16_FRAG_SPV)),
@@ -476,6 +478,15 @@ void BlitImageHelper::ConvertB10G11R11ToD24S8(const Framebuffer* dst_framebuffer
             down_shift);
 }
 
+void BlitImageHelper::ConvertR16G16ToD24S8(const Framebuffer* dst_framebuffer,
+                                           const ImageView& src_image_view, u32 up_scale,
+                                           u32 down_shift) {
+    ConvertPipelineDepthTargetEx(convert_r16g16_to_d24s8_pipeline, dst_framebuffer->RenderPass(),
+                                 convert_r16g16_to_d24s8_frag, true);
+    Convert(*convert_r16g16_to_d24s8_pipeline, dst_framebuffer, src_image_view, up_scale,
+            down_shift);
+}
+
 void BlitImageHelper::ConvertD24S8ToABGR8(const Framebuffer* dst_framebuffer,
                                           ImageView& src_image_view, u32 up_scale, u32 down_shift) {
     ConvertPipelineColorTargetEx(convert_d24s8_to_abgr8_pipeline, dst_framebuffer->RenderPass(),

src/video_core/renderer_vulkan/blit_image.h

@@ -62,6 +62,9 @@ public:
     void ConvertB10G11R11ToD24S8(const Framebuffer* dst_framebuffer,
                                  const ImageView& src_image_view, u32 up_scale, u32 down_shift);
 
+    void ConvertR16G16ToD24S8(const Framebuffer* dst_framebuffer, const ImageView& src_image_view,
+                              u32 up_scale, u32 down_shift);
+
     void ConvertD24S8ToABGR8(const Framebuffer* dst_framebuffer, ImageView& src_image_view,
                              u32 up_scale, u32 down_shift);
 
@@ -109,6 +112,7 @@ private:
     vk::ShaderModule convert_float_to_depth_frag;
     vk::ShaderModule convert_abgr8_to_d24s8_frag;
     vk::ShaderModule convert_b10g11r11_to_d24s8_frag;
+    vk::ShaderModule convert_r16g16_to_d24s8_frag;
     vk::ShaderModule convert_d24s8_to_abgr8_frag;
     vk::ShaderModule convert_d24s8_to_b10g11r11_frag;
     vk::ShaderModule convert_d24s8_to_r16g16_frag;
@@ -125,6 +129,7 @@ private:
     vk::Pipeline convert_r16_to_d16_pipeline;
     vk::Pipeline convert_abgr8_to_d24s8_pipeline;
     vk::Pipeline convert_b10g11r11_to_d24s8_pipeline;
+    vk::Pipeline convert_r16g16_to_d24s8_pipeline;
     vk::Pipeline convert_d24s8_to_abgr8_pipeline;
     vk::Pipeline convert_d24s8_to_b10g11r11_pipeline;
     vk::Pipeline convert_d24s8_to_r16g16_pipeline;

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -915,6 +915,9 @@ void TextureCacheRuntime::ConvertImage(Framebuffer* dst, ImageView& dst_view, Im
         if (src_view.format == PixelFormat::B10G11R11_FLOAT) {
             return blit_image_helper.ConvertB10G11R11ToD24S8(dst, src_view, up_scale, down_shift);
         }
+        if (src_view.format == PixelFormat::R16G16_UNORM) {
+            return blit_image_helper.ConvertR16G16ToD24S8(dst, src_view, up_scale, down_shift);
+        }
         break;
     case PixelFormat::D32_FLOAT:
         if (src_view.format == PixelFormat::R32_FLOAT) {