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More extreme paranoia in VulkanMaybeAvailable

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This commit is contained in:
Henrik Rydgård 2019-08-15 11:48:35 +02:00
parent c7ae0ed4bf
commit 3356f94029
1 changed files with 9 additions and 3 deletions
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12
Common/Vulkan/VulkanLoader.cpp
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@ -293,7 +293,7 @@ bool VulkanMayBeAvailable() {
VkApplicationInfo info{ VK_STRUCTURE_TYPE_APPLICATION_INFO };
std::vector<VkPhysicalDevice> devices;
bool anyGood = false;
const char *instanceExtensions[2]{};
const char *instanceExtensions[10]{};
VkInstance instance = VK_NULL_HANDLE;
VkResult res = VK_SUCCESS;
uint32_t physicalDeviceCount = 0;
@ -302,7 +302,6 @@ bool VulkanMayBeAvailable() {
bool platformSurfaceExtensionFound = false;
std::vector<VkExtensionProperties> instanceExts;
ci.enabledExtensionCount = 0; // Should have been reset by struct initialization anyway, just paranoia.
instanceExtensions[ci.enabledExtensionCount++] = VK_KHR_SURFACE_EXTENSION_NAME;
#ifdef _WIN32
const char * const platformSurfaceExtension = VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
@ -338,12 +337,14 @@ bool VulkanMayBeAvailable() {
if (platformSurfaceExtension) {
for (auto iter : instanceExts) {
ILOG("VulkanMaybeAvailable: Instance extension found: %s (%08x)", iter.extensionName, iter.specVersion);
if (!strcmp(iter.extensionName, platformSurfaceExtension)) {
ILOG("VulkanMayBeAvailable: Found platform surface extension '%s'", platformSurfaceExtension);
instanceExtensions[ci.enabledExtensionCount++] = platformSurfaceExtension;
platformSurfaceExtensionFound = true;
break;
} else if (!strcmp(iter.extensionName, VK_KHR_SURFACE_EXTENSION_NAME)) {
instanceExtensions[ci.enabledExtensionCount++] = VK_KHR_SURFACE_EXTENSION_NAME;
surfaceExtensionFound = true;
}
}
@ -352,6 +353,11 @@ bool VulkanMayBeAvailable() {
goto bail;
}
}
// This can't happen unless the driver is double-reporting a surface extension.
if (ci.enabledExtensionCount > 2) {
ELOG("Unexpected number of enabled instance extensions");
goto bail;
}
ci.ppEnabledExtensionNames = instanceExtensions;
ci.enabledLayerCount = 0;
@ -359,7 +365,7 @@ bool VulkanMayBeAvailable() {
info.applicationVersion = 1;
info.engineVersion = 1;
info.pApplicationName = "VulkanChecker";
info.pEngineName = "VulkanChecker";
info.pEngineName = "VulkanCheckerEngine";
ci.pApplicationInfo = &info;
ci.flags = 0;
ILOG("VulkanMayBeAvailable: Calling vkCreateInstance");