HACK: Avoid swizzling and reuploading ASTC image every frame

1 files changed, 12 insertions, 2 deletions

diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index 4457b366f..6b87987de 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -1021,8 +1021,18 @@ void TextureCache<P>::UploadImageContents(Image& image, StagingBuffer& staging)
     const GPUVAddr gpu_addr = image.gpu_addr;
 
     if (True(image.flags & ImageFlagBits::AcceleratedUpload)) {
-        gpu_memory->ReadBlock(gpu_addr, mapped_span.data(), mapped_span.size_bytes(),
-                              VideoCommon::CacheType::NoTextureCache);
+        static u64 last_size = 0;
+        bool has_run = false;
+        if (last_size == image.unswizzled_size_bytes) {
+            has_run = true;
+        }
+        last_size = image.unswizzled_size_bytes;
+
+        if (!has_run) {
+            LOG_ERROR(Debug, "Called");
+            gpu_memory->ReadBlock(gpu_addr, mapped_span.data(), mapped_span.size_bytes(),
+                                  VideoCommon::CacheType::NoTextureCache);
+        }
         const auto uploads = FullUploadSwizzles(image.info);
         runtime.AccelerateImageUpload(image, staging, uploads);
         return;