metal: SDL_UpdateYUVTexture shouldn't swap planes based on format.
diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m
index 7fbc839..5afedab 100644
--- a/src/render/metal/SDL_render_metal.m
+++ b/src/render/metal/SDL_render_metal.m
@@ -956,8 +956,8 @@ METAL_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
const Uint8 *Vplane, int Vpitch)
{ @autoreleasepool {
METAL_TextureData *texturedata = (__bridge METAL_TextureData *)texture->driverdata;
- int Uslice = texture->format == SDL_PIXELFORMAT_YV12 ? 1 : 0;
- int Vslice = texture->format == SDL_PIXELFORMAT_YV12 ? 0 : 1;
+ const int Uslice = 0;
+ const int Vslice = 1;
/* Bail out if we're supposed to update an empty rectangle */
if (rect->w <= 0 || rect->h <= 0) {