Merge pull request #1086 from cdavis5e/layered-copies-availability

MVKCmdCopyImage: Only use the multi-layer copy method if available.
KhronosGroup · Oct 1, 2020 · b9b78de · b9b78de
2 parents a31d87f + d6294a1
commit b9b78de
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/MoltenVK/MoltenVK/Commands/MVKCmdTransfer.mm b/MoltenVK/MoltenVK/Commands/MVKCmdTransfer.mm
@@ -161,7 +161,8 @@ static inline MTLSize mvkClampMTLSize(MTLSize size, MTLOrigin origin, MTLSize ma
  VkExtent3D dstExtent = _dstImage->getExtent3D(dstPlaneIndex, dstLevel);
  // If the extent completely covers both images, I can copy all layers at once.
  // This will obviously not apply to copies between a 3D and 2D image.
- if (mvkVkExtent3DsAreEqual(srcExtent, vkIC.extent) && mvkVkExtent3DsAreEqual(dstExtent, vkIC.extent)) {
+ if (mvkVkExtent3DsAreEqual(srcExtent, vkIC.extent) && mvkVkExtent3DsAreEqual(dstExtent, vkIC.extent) &&
+ [mtlBlitEnc respondsToSelector: @selector(copyFromTexture:sourceSlice:sourceLevel:toTexture:destinationSlice:destinationLevel:sliceCount:levelCount:)]) {
  assert((_srcImage->getMTLTextureType() == MTLTextureType3D) == (_dstImage->getMTLTextureType() == MTLTextureType3D));
  [mtlBlitEnc copyFromTexture: srcMTLTex
  sourceSlice: srcBaseLayer