mirror of https://github.com/ZDoom/raze-gles.git
76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
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#include <assert.h>
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#include <algorithm>
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#ifdef _WIN32
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#define VK_USE_PLATFORM_WIN32_KHR
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#endif
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#include "volk/volk.h"
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extern HWND Window;
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void I_GetVulkanDrawableSize(int *width, int *height)
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{
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assert(Window);
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RECT clientRect = { 0 };
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GetClientRect(Window, &clientRect);
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if (width != nullptr)
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{
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*width = clientRect.right;
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}
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if (height != nullptr)
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{
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*height = clientRect.bottom;
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}
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}
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bool I_GetVulkanPlatformExtensions(unsigned int *count, const char **names)
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{
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static const char* extensions[] =
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{
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VK_KHR_SURFACE_EXTENSION_NAME,
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VK_KHR_WIN32_SURFACE_EXTENSION_NAME
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};
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static const unsigned int extensionCount = static_cast<unsigned int>(sizeof extensions / sizeof extensions[0]);
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if (count == nullptr && names == nullptr)
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{
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return false;
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}
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else if (names == nullptr)
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{
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*count = extensionCount;
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return true;
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}
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else
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{
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const bool result = *count >= extensionCount;
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*count = std::min<unsigned int>(*count, extensionCount);
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for (unsigned int i = 0; i < *count; ++i)
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{
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names[i] = extensions[i];
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}
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return result;
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}
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}
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bool I_CreateVulkanSurface(VkInstance instance, VkSurfaceKHR *surface)
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{
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VkWin32SurfaceCreateInfoKHR windowCreateInfo;
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windowCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
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windowCreateInfo.pNext = nullptr;
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windowCreateInfo.flags = 0;
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windowCreateInfo.hwnd = Window;
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windowCreateInfo.hinstance = GetModuleHandle(nullptr);
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const VkResult result = vkCreateWin32SurfaceKHR(instance, &windowCreateInfo, nullptr, surface);
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return result == VK_SUCCESS;
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}
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