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| author | Mike Schuchardt <mikes@lunarg.com> | 2019-07-26 07:56:30 -0700 |
|---|---|---|
| committer | jeremyk-lunarg <jeremyk@lunarg.com> | 2019-07-26 10:24:37 -0600 |
| commit | aed62466ff5bb38ae39010888bc4859afbe1cf94 (patch) | |
| tree | e9ab692c5f741e01b3ce237255c264d776a8a1d0 /cube/cube.cpp | |
| parent | af4a7aec2deff253495b5e87c90ed07de44a6c3d (diff) | |
| download | usermoji-aed62466ff5bb38ae39010888bc4859afbe1cf94.tar.xz | |
cube: Workaround macOS cube issue
Latest version of MoltenVK behaves in an apparently non-conformant way
by not allowing some linear images to be mapped to memory with
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT. This change sidesteps the issue
by forcing the use of staging buffer for loading textures.
Diffstat (limited to 'cube/cube.cpp')
| -rw-r--r-- | cube/cube.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/cube/cube.cpp b/cube/cube.cpp index 04447fcd..a6f600c0 100644 --- a/cube/cube.cpp +++ b/cube/cube.cpp @@ -899,6 +899,12 @@ void Demo::init(int argc, char **argv) { presentMode = vk::PresentModeKHR::eFifo; frameCount = UINT32_MAX; use_xlib = false; + +#if defined(VK_USE_PLATFORM_MACOS_MVK) + // MoltenVK may not allow host coherent mapping to linear tiled images + // Force the use of a staging buffer to be safe + use_staging_buffer = true; +#endif for (int i = 1; i < argc; i++) { if (strcmp(argv[i], "--use_staging") == 0) { |