5 files changed, 35 insertions, 0 deletions

diff --git a/src/video_core/host_shaders/CMakeLists.txt b/src/video_core/host_shaders/CMakeLists.txt
index cf20f39f0..cff8e38d6 100644
--- a/src/video_core/host_shaders/CMakeLists.txt
+++ b/src/video_core/host_shaders/CMakeLists.txt
@@ -19,6 +19,7 @@ set(SHADER_FILES
     block_linear_unswizzle_2d.comp
     block_linear_unswizzle_3d.comp
     convert_abgr8_to_d24s8.frag
+    convert_abgr8_to_d32f.frag
     convert_d32f_to_abgr8.frag
     convert_d32f_to_bgra8.frag
     convert_d24s8_to_abgr8.frag
diff --git a/src/video_core/host_shaders/convert_abgr8_to_d32f.frag b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag
new file mode 100644
index 000000000..a1880b916
--- /dev/null
+++ b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag
@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: Copyright 2023 Your Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 450
+
+layout(binding = 0) uniform sampler2D color_texture;
+
+void main() {
+    ivec2 coord = ivec2(gl_FragCoord.xy);
+    vec4 color = texelFetch(color_texture, coord, 0).abgr;
+
+    uvec4 bytes = uvec4(color * (exp2(8) - 1.0f)) << uvec4(24, 16, 8, 0);
+    uint depth_unorm = bytes.x | bytes.y | bytes.z | bytes.w;
+
+    float depth_float = uintBitsToFloat(depth_unorm);
+
+    gl_FragDepth = depth_float;
+}
diff --git a/src/video_core/renderer_vulkan/blit_image.cpp b/src/video_core/renderer_vulkan/blit_image.cpp
index 18f51a327..78a60fbe6 100644
--- a/src/video_core/renderer_vulkan/blit_image.cpp
+++ b/src/video_core/renderer_vulkan/blit_image.cpp
@@ -8,6 +8,7 @@
 #include "common/settings.h"
 #include "video_core/host_shaders/blit_color_float_frag_spv.h"
 #include "video_core/host_shaders/convert_abgr8_to_d24s8_frag_spv.h"
+#include "video_core/host_shaders/convert_abgr8_to_d32f_frag_spv.h"
 #include "video_core/host_shaders/convert_d24s8_to_abgr8_frag_spv.h"
 #include "video_core/host_shaders/convert_d32f_to_abgr8_frag_spv.h"
 #include "video_core/host_shaders/convert_d32f_to_bgra8_frag_spv.h"
@@ -561,6 +562,13 @@ void BlitImageHelper::ConvertABGR8ToD24S8(const Framebuffer* dst_framebuffer,
     Convert(*convert_abgr8_to_d24s8_pipeline, dst_framebuffer, src_image_view);
 }
 
+void BlitImageHelper::ConvertABGR8ToD32F(const Framebuffer* dst_framebuffer,
+                                          const ImageView& src_image_view) {
+    ConvertPipelineDepthTargetEx(convert_abgr8_to_d32f_pipeline, dst_framebuffer->RenderPass(),
+                                 convert_abgr8_to_d32f_frag);
+    Convert(*convert_abgr8_to_d32f_pipeline, dst_framebuffer, src_image_view);
+}
+
 void BlitImageHelper::ConvertD32FToABGR8(const Framebuffer* dst_framebuffer,
                                          ImageView& src_image_view) {
     ConvertPipelineColorTargetEx(convert_d32f_to_abgr8_pipeline, dst_framebuffer->RenderPass(),
diff --git a/src/video_core/renderer_vulkan/blit_image.h b/src/video_core/renderer_vulkan/blit_image.h
index d083b4680..b3281ff3e 100644
--- a/src/video_core/renderer_vulkan/blit_image.h
+++ b/src/video_core/renderer_vulkan/blit_image.h
@@ -67,6 +67,8 @@ public:
 
     void ConvertABGR8ToD24S8(const Framebuffer* dst_framebuffer, const ImageView& src_image_view);
 
+    void ConvertABGR8ToD32F(const Framebuffer* dst_framebuffer, const ImageView& src_image_view);
+
     void ConvertD32FToABGR8(const Framebuffer* dst_framebuffer, ImageView& src_image_view);
 
     void ConvertD24S8ToABGR8(const Framebuffer* dst_framebuffer, ImageView& src_image_view);
@@ -132,6 +134,7 @@ private:
     vk::ShaderModule convert_depth_to_float_frag;
     vk::ShaderModule convert_float_to_depth_frag;
     vk::ShaderModule convert_abgr8_to_d24s8_frag;
+    vk::ShaderModule convert_abgr8_to_d32f_frag;
     vk::ShaderModule convert_d32f_to_abgr8_frag;
     vk::ShaderModule convert_d24s8_to_abgr8_frag;
     vk::ShaderModule convert_s8d24_to_abgr8_frag;
@@ -152,6 +155,7 @@ private:
     vk::Pipeline convert_d16_to_r16_pipeline;
     vk::Pipeline convert_r16_to_d16_pipeline;
     vk::Pipeline convert_abgr8_to_d24s8_pipeline;
+    vk::Pipeline convert_abgr8_to_d32f_pipeline;
     vk::Pipeline convert_d32f_to_abgr8_pipeline;
     vk::Pipeline convert_d24s8_to_abgr8_pipeline;
     vk::Pipeline convert_s8d24_to_abgr8_pipeline;
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index 3ad144dab..f913a99b9 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -1236,6 +1236,10 @@ void TextureCacheRuntime::ConvertImage(Framebuffer* dst, ImageView& dst_view, Im
         }
         break;
     case PixelFormat::D32_FLOAT:
+        if (src_view.format == PixelFormat::A8B8G8R8_SRGB ||
+            src_view.format == PixelFormat::B8G8R8A8_SRGB) {
+            return blit_image_helper.ConvertABGR8ToD32F(dst, src_view);
+        }
         if (src_view.format == PixelFormat::R32_FLOAT) {
             return blit_image_helper.ConvertR32ToD32(dst, src_view);
         }