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Macos ios fixes (#1192)

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* Configure MoltenVK to use a dedicated compute queue for compute[*] examples with sync barriers

* Modify descriptorindexing example for iOS and variable descriptor count limitations on MoltenVK

* Remove obsolete macOS #ifdefs no longer needed for modern MoltenVK versions

* Update iOS project to fix missing vkloader.c reference and revise example list

* Set required features and API version for VVL in debugprintf example

* Remove unnecessary Apple-specific code from descriptorindexing example

* Add Layer Settings capability to VulkanExampleBase::createInstance()

* Replace setenv() in examples with Layer Settings configuration for macOS/iOS

* Update comments in examples.h and fix missing initializer in computeraytracing example

* Update imgui overlay and example to support iOS Simulator

* Update more comments in examples.h and remove redundant initializers in deferred* examples

* Separate variable descriptor count declarations for apple and non-apple platforms

* Consolidate variable descriptor count declarations for apple vs. non-apple platforms

* Configure MoltenVK with a dedicated compute queue in VulkanExampleBase() and remove from samples
This commit is contained in:
SRSaunders 2025-03-29 11:21:37 -04:00 • committed by GitHub
parent e1c962289f
commit 9a562a5426
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17 changed files with 221 additions and 83 deletions
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35
examples/debugprintf/debugprintf.cpp
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@ -47,12 +47,39 @@ public:
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
// SRS - Force validation on since shader printf 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);
// Use layer settings extension to configure Validation Layer
enabledInstanceExtensions.push_back(VK_EXT_LAYER_SETTINGS_EXTENSION_NAME);
// SRS - Enable the Validation Layer's printf feature
VkLayerSettingEXT layerSetting;
layerSetting.pLayerName = "VK_LAYER_KHRONOS_validation";
layerSetting.pSettingName = "enables";
layerSetting.type = VK_LAYER_SETTING_TYPE_STRING_EXT;
layerSetting.valueCount = 1;
// Make static so layer setting reference remains valid after leaving constructor scope
static const char *layerEnables = "VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT";
layerSetting.pValues = &layerEnables;
enabledLayerSettings.push_back(layerSetting);
// SRS - RenderDoc not available on macOS so redirect printf output to stdout
layerSetting.pSettingName = "printf_to_stdout";
layerSetting.type = VK_LAYER_SETTING_TYPE_BOOL32_EXT;
layerSetting.valueCount = 1;
// Make static so layer setting reference remains valid after leaving constructor scope
static const VkBool32 layerSettingOn = VK_TRUE;
layerSetting.pValues = &layerSettingOn;
enabledLayerSettings.push_back(layerSetting);
// Enable required features and set API version for Validation Layer printf
enabledFeatures.fragmentStoresAndAtomics = VK_TRUE;
enabledFeatures.vertexPipelineStoresAndAtomics = VK_TRUE;
apiVersion = VK_API_VERSION_1_1;
#endif
}