From 6f896d1fae3d244f83450a485d15e7cebe79abaa Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 19 Nov 2021 22:23:48 +0100
Subject: TextureCache: Further fixes on resolve algorithm.

---
 src/video_core/texture_cache/texture_cache.h |  8 ++++----
 src/video_core/texture_cache/util.cpp        | 25 +++++++++++++------------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index 06257f064..4188f93c5 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -1096,13 +1096,13 @@ typename TextureCache<P>::BlitImages TextureCache<P>::GetBlitImages(
         if (GetFormatType(dst_info.format) != GetFormatType(src_info.format)) {
             continue;
         }
-        src_id = FindOrInsertImage(src_info, src_addr);
-        RelaxedOptions dst_options{};
+        RelaxedOptions find_options{};
         if (src_info.num_samples > 1) {
             // it's a resolve, we must enforce the same format.
-            dst_options = RelaxedOptions::ForceBrokenViews;
+            find_options = RelaxedOptions::ForceBrokenViews;
         }
-        dst_id = FindOrInsertImage(dst_info, dst_addr, dst_options);
+        src_id = FindOrInsertImage(src_info, src_addr, find_options);
+        dst_id = FindOrInsertImage(dst_info, dst_addr, find_options);
     } while (has_deleted_images);
     return BlitImages{
         .dst_id = dst_id,
diff --git a/src/video_core/texture_cache/util.cpp b/src/video_core/texture_cache/util.cpp
index 8f9eb387c..e4d82631e 100644
--- a/src/video_core/texture_cache/util.cpp
+++ b/src/video_core/texture_cache/util.cpp
@@ -1151,19 +1151,25 @@ bool IsSubresource(const ImageInfo& candidate, const ImageBase& image, GPUVAddr
 
 void DeduceBlitImages(ImageInfo& dst_info, ImageInfo& src_info, const ImageBase* dst,
                       const ImageBase* src) {
+    bool is_resolve = false;
+    const auto original_src_format = src_info.format;
+    const auto original_dst_format = dst_info.format;
     if (src) {
-        src_info.format = src->info.format;
+        if (GetFormatType(src->info.format) != SurfaceType::ColorTexture) {
+            src_info.format = src->info.format;
+        }
+        is_resolve = src->info.num_samples > 1;
         src_info.num_samples = src->info.num_samples;
         src_info.size = src->info.size;
     }
-    if (dst) {
+    if (dst && GetFormatType(dst->info.format) != SurfaceType::ColorTexture) {
         dst_info.format = dst->info.format;
-        dst_info.num_samples = dst->info.num_samples;
-        dst_info.size = dst->info.size;
     }
     if (src && GetFormatType(src->info.format) != SurfaceType::ColorTexture) {
         if (dst) {
-            src_info.format = dst_info.format;
+            if (GetFormatType(dst->info.format) == SurfaceType::ColorTexture) {
+                src_info.format = original_src_format;
+            }
         } else {
             dst_info.format = src->info.format;
         }
@@ -1171,18 +1177,13 @@ void DeduceBlitImages(ImageInfo& dst_info, ImageInfo& src_info, const ImageBase*
     if (dst && GetFormatType(dst->info.format) != SurfaceType::ColorTexture) {
         if (src) {
             if (GetFormatType(src->info.format) == SurfaceType::ColorTexture) {
-                dst_info.format = src->info.format;
+                dst_info.format = original_dst_format;
             }
         } else {
             src_info.format = dst->info.format;
         }
     }
-    if (src_info.num_samples > 1) {
-        dst_info.format = src_info.format;
-    }
-    if (dst_info.num_samples > 1) {
-        src_info.format = dst_info.format;
-    }
+    ASSERT(!is_resolve || dst_info.format == src_info.format);
 }
 
 u32 MapSizeBytes(const ImageBase& image) {
-- 
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