SDL: gpu: Validate that CopyGPUTextureToTexture formats match

SDL Commits
1 
From 9fcca835123d71fea52fc8f25afaaf5215c25831 Mon Sep 17 00:00:00 2001
From: Caleb Cornett <[EMAIL REDACTED]>
Date: Sun, 9 Mar 2025 11:55:22 -0400
Subject: [PATCH] gpu: Validate that CopyGPUTextureToTexture formats match

---
 src/gpu/SDL_gpu.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gpu/SDL_gpu.c b/src/gpu/SDL_gpu.c
index 0897d1c914684..7ca2590ad810c 100644
--- a/src/gpu/SDL_gpu.c
+++ b/src/gpu/SDL_gpu.c
@@ -2359,6 +2359,13 @@ void SDL_CopyGPUTextureToTexture(
             SDL_assert_release(!"Destination texture cannot be NULL!");
             return;
         }
+
+        TextureCommonHeader *srcHeader = (TextureCommonHeader *)source->texture;
+        TextureCommonHeader *dstHeader = (TextureCommonHeader *)destination->texture;
+        if (srcHeader->info.format != dstHeader->info.format) {
+            SDL_assert_release(!"Source and destination textures must have the same format!");
+            return;
+        }
     }
 
     COPYPASS_DEVICE->CopyTextureToTexture(