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Add check for VK_KHR_portability_enumeration for MoltenVK support

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0cc4m 2024-02-10 22:14:52 +01:00 committed by Georgi Gerganov
parent b26c645420
commit 9fca69b410
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GPG Key ID: 449E073F9DC10735
1 changed files with 31 additions and 10 deletions
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41
ggml-vulkan.cpp
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@ -1100,23 +1100,44 @@ static void ggml_vk_instance_init() {
#endif
vk::ApplicationInfo app_info{ "ggml-vulkan", 1, nullptr, 0, VK_API_VERSION };
const std::vector<const char*> layers = {
const std::vector<vk::ExtensionProperties> instance_extensions = vk::enumerateInstanceExtensionProperties();
#ifdef __APPLE__
bool portability_enumeration_ext = false;
// Check for portability enumeration extension for MoltenVK support
for (const auto& properties : instance_extensions) {
if (strcmp("VK_KHR_portability_enumeration", properties.extensionName) == 0) {
portability_enumeration_ext = true;
break;
}
}
if (!portability_enumeration_ext) {
std::cerr << "ggml_vulkan: WARNING: Instance extension VK_KHR_portability_enumeration not found." << std::endl;
}
#endif
std::vector<const char*> layers = {
#ifdef GGML_VULKAN_VALIDATE
"VK_LAYER_KHRONOS_validation",
#endif
};
const std::vector<const char*> extensions = {
std::vector<const char*> extensions = {
#ifdef GGML_VULKAN_VALIDATE
"VK_EXT_validation_features",
#endif
#ifdef __APPLE__
"VK_KHR_portability_enumeration",
#endif
};
vk::InstanceCreateInfo instance_create_info(vk::InstanceCreateFlags(), &app_info, layers, extensions);
#ifdef __APPLE__
instance_create_info.flags = vk::InstanceCreateFlagBits::eEnumeratePortabilityKHR;
if (portability_enumeration_ext) {
extensions.push_back("VK_KHR_portability_enumeration");
}
#endif
vk::InstanceCreateInfo instance_create_info(vk::InstanceCreateFlags{}, &app_info, layers, extensions);
#ifdef __APPLE__
if (portability_enumeration_ext) {
instance_create_info.flags |= vk::InstanceCreateFlagBits::eEnumeratePortabilityKHR;
}
#endif
#ifdef GGML_VULKAN_VALIDATE
const std::vector<vk::ValidationFeatureEnableEXT> features_enable = { vk::ValidationFeatureEnableEXT::eBestPractices };
@ -1175,12 +1196,12 @@ static void ggml_vk_init(ggml_backend_vk_context * ctx, size_t idx) {
vk_instance.devices[idx] = std::make_shared<vk_device>();
ctx->device = vk_instance.devices[idx];
ctx->device.lock()->physical_device = devices[dev_num];
std::vector<vk::ExtensionProperties> ext_props = ctx->device.lock()->physical_device.enumerateDeviceExtensionProperties();
const std::vector<vk::ExtensionProperties> ext_props = ctx->device.lock()->physical_device.enumerateDeviceExtensionProperties();
bool maintenance4_support = false;
// Check if maintenance4 is supported
for (auto properties : ext_props) {
for (const auto& properties : ext_props) {
if (strcmp("VK_KHR_maintenance4", properties.extensionName) == 0) {
maintenance4_support = true;
}
@ -1211,7 +1232,7 @@ static void ggml_vk_init(ggml_backend_vk_context * ctx, size_t idx) {
bool fp16_storage = false;
bool fp16_compute = false;
for (auto properties : ext_props) {
for (const auto& properties : ext_props) {
if (strcmp("VK_KHR_16bit_storage", properties.extensionName) == 0) {
fp16_storage = true;
} else if (strcmp("VK_KHR_shader_float16_int8", properties.extensionName) == 0) {