Merge pull request #11386 from Pokechu22/manual-texture-sampling-stereoscopic-layer-bounds-check

PixelShaderGen: Clamp texture layer when using manual texture sampling with stereoscopic 3D

1 files changed, 3 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/PixelShaderGen.cpp b/Source/Core/VideoCommon/PixelShaderGen.cpp
index 3a612382e6..7db650e431 100644
--- a/Source/Core/VideoCommon/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/PixelShaderGen.cpp
@@ -615,6 +615,7 @@ uint WrapCoord(int coord, uint wrap, int size) {{
   int3 size = textureSize(tex, 0);
   int size_s = size.x;
   int size_t = size.y;
+  int num_layers = size.z;
 )");
       if (g_ActiveConfig.backend_info.bSupportsTextureQueryLevels)
       {
@@ -633,6 +634,8 @@ uint WrapCoord(int coord, uint wrap, int size) {{
   // Rescale uv to account for the new texture size
   uv.x = (uv.x * size_s) / native_size_s;
   uv.y = (uv.y * size_t) / native_size_t;
+  // Clamp layer as well (texture() automatically clamps, but texelFetch() doesn't)
+  layer = clamp(layer, 0, num_layers - 1);
 )");
     }
     else