TextureCache: Eliminate format deduction as full depth conversion has been supported.

src/video_core/texture_cache/texture_cache.h

@@ -1079,7 +1079,7 @@ ImageId TextureCache<P>::JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, VA
 template <class P>
 typename TextureCache<P>::BlitImages TextureCache<P>::GetBlitImages(
     const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Surface& src) {
-    static constexpr auto FIND_OPTIONS = RelaxedOptions::Format | RelaxedOptions::Samples;
+    static constexpr auto FIND_OPTIONS = RelaxedOptions::Samples;
     const GPUVAddr dst_addr = dst.Address();
     const GPUVAddr src_addr = src.Address();
     ImageInfo dst_info(dst);
@@ -1093,9 +1093,7 @@ typename TextureCache<P>::BlitImages TextureCache<P>::GetBlitImages(
         const ImageBase* const dst_image = dst_id ? &slot_images[dst_id] : nullptr;
         const ImageBase* const src_image = src_id ? &slot_images[src_id] : nullptr;
         DeduceBlitImages(dst_info, src_info, dst_image, src_image);
-        if (GetFormatType(dst_info.format) != GetFormatType(src_info.format)) {
-            continue;
-        }
+        ASSERT(GetFormatType(dst_info.format) == GetFormatType(src_info.format));
         RelaxedOptions find_options{};
         if (src_info.num_samples > 1) {
             // it's a resolve, we must enforce the same format.

src/video_core/texture_cache/util.cpp

@@ -1152,36 +1152,14 @@ 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) {
-        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 && GetFormatType(dst->info.format) != SurfaceType::ColorTexture) {
-        dst_info.format = dst->info.format;
-    }
-    if (src && GetFormatType(src->info.format) != SurfaceType::ColorTexture) {
-        if (dst) {
-            if (GetFormatType(dst->info.format) == SurfaceType::ColorTexture) {
-                src_info.format = original_src_format;
-            }
-        } else {
-            dst_info.format = src->info.format;
-        }
-    }
-    if (dst && GetFormatType(dst->info.format) != SurfaceType::ColorTexture) {
-        if (src) {
-            if (GetFormatType(src->info.format) == SurfaceType::ColorTexture) {
-                dst_info.format = original_dst_format;
-            }
-        } else {
-            src_info.format = dst->info.format;
-        }
+    if (dst) {
+        dst_info.num_samples = dst->info.num_samples;
+        dst_info.size = dst->info.size;
     }
     ASSERT(!is_resolve || dst_info.format == src_info.format);
 }