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Enable debugPrintf example on macOS using validation layer #1124

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May 25, 2024
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Enable debugPrintf example on macOS using validation layer #1124

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9 changes: 9 additions & 0 deletions examples/debugprintf/debugprintf.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,15 @@ class VulkanExample : public VulkanExampleBase

// Using printf requires the non semantic info extension to be enabled
enabledDeviceExtensions.push_back(VK_KHR_SHADER_NON_SEMANTIC_INFO_EXTENSION_NAME);

#if (defined(VK_USE_PLATFORM_MACOS_MVK) || defined(VK_USE_PLATFORM_METAL_EXT)) && defined(VK_EXAMPLE_XCODE_GENERATED)
// SRS - Force validation on since debugPrintfEXT provided by VK_LAYER_KHRONOS_validation on macOS
settings.validation = true;
setenv("VK_LAYER_ENABLES", "VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT", 1);

// SRS - RenderDoc not available on macOS so redirect debugPrintfEXT output to stdout
setenv("VK_KHRONOS_VALIDATION_PRINTF_TO_STDOUT", "1", 1);
#endif
}

~VulkanExample()
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