commit be0f67d79df3378ac1d519d3ea1d2b91e0640f59
author Chip Davis <cdavis@codeweavers.com> Sat Oct 17 14:12:18 2020 -0500
committer Chip Davis <cdavis@codeweavers.com> Sun Oct 18 22:08:35 2020 -0500
tree ee176eecb5440132a9937e16b9deb92d64d52cbd
parent af331a393fbbd8374f41becf0049398ee1410a64

MVKImage: Always use texel buffers for linear images in MTLHeaps.

This is particularly important if the resource will be aliased with
another resource; the memory in this case must have a linear layout.

MoltenVK/MoltenVK/GPUObjects/MVKImage.mm

diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKImage.mm b/MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
index f213f47..2bcf413 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
@@ -402,7 +402,7 @@
     // macOS before 10.15.5 cannot use shared memory for texel buffers.
     usesTexelBuffer = usesTexelBuffer && (_device->_pMetalFeatures->sharedLinearTextures || !isMemoryHostCoherent());
 
-    if (_image->_isLinearForAtomics) {
+    if (_image->_isLinearForAtomics || (usesTexelBuffer && _device->_pMetalFeatures->placementHeaps)) {
         if (usesTexelBuffer && _deviceMemory->ensureMTLBuffer()) {
             _mtlTexelBuffer = _deviceMemory->_mtlBuffer;
             _mtlTexelBufferOffset = getDeviceMemoryOffset();