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Output warning to stderr if an extension is not supported (#756)

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Jérôme Leclercq 2020-08-27 19:36:24 +02:00 • committed by GitHub
parent d5be770f55
commit 3298455373
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2 changed files with 24 additions and 0 deletions
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17
base/vulkanexamplebase.cpp
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@ -7,6 +7,7 @@
*/
#include "vulkanexamplebase.h"
#include <unordered_set>
std::vector<const char*> VulkanExampleBase::args;
@ -44,8 +45,24 @@ VkResult VulkanExampleBase::createInstance(bool enableValidation)
instanceExtensions.push_back(VK_MVK_MACOS_SURFACE_EXTENSION_NAME);
#endif
std::uint32_t extCount = 0;
vkEnumerateInstanceExtensionProperties(nullptr, &extCount, nullptr);
std::unordered_set<std::string> supportedExtensions;
if (extCount > 0)
{
std::vector<VkExtensionProperties> instanceExtensions(extCount);
vkEnumerateInstanceExtensionProperties(nullptr, &extCount, instanceExtensions.data());
for (const auto &ext : instanceExtensions)
supportedExtensions.emplace(ext.extensionName);
}
if (enabledInstanceExtensions.size() > 0) {
for (auto enabledExtension : enabledInstanceExtensions) {
if (supportedExtensions.find(enabledExtension) == supportedExtensions.end())
std::cerr << enabledExtension << " instance extension support seems to be missing" << std::endl;
instanceExtensions.push_back(enabledExtension);
}
}