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WIP Creating Swap chain

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Kearwood Gilbert
2020-07-23 19:03:04 -07:00
parent 9762e021ce
commit a5aefdf3d6
1 changed files with 50 additions and 0 deletions
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50
kraken/KRContext.cpp
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@@ -943,7 +943,57 @@ KrResult KRContext::createWindowSurface(const KrCreateWindowSurfaceInfo* createW
}
vkGetDeviceQueue(info.logicalDevice, selectedDeviceGraphicsFamilyQueue, 0, &info.graphicsQueue);
VkSurfaceCapabilitiesKHR surfaceCapabilities{};
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.device, info.surface, &surfaceCapabilities);
std::vector<VkSurfaceFormatKHR> surfaceFormats;
uint32_t formatCount = 0;
vkGetPhysicalDeviceSurfaceFormatsKHR(info.device, info.surface, &formatCount, nullptr);
m_surfaces.insert(std::pair<KrSurfaceHandle, SurfaceInfo>(createWindowSurfaceInfo->surfaceHandle, info));
if (formatCount != 0) {
surfaceFormats.resize(formatCount);
vkGetPhysicalDeviceSurfaceFormatsKHR(info.device, info.surface, &formatCount, surfaceFormats.data());
}
std::vector<VkPresentModeKHR> surfacePresentModes;
uint32_t presentModeCount = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(info.device, info.surface, &presentModeCount, nullptr);
if (presentModeCount != 0) {
surfacePresentModes.resize(presentModeCount);
vkGetPhysicalDeviceSurfacePresentModesKHR(info.device, info.surface, &presentModeCount, surfacePresentModes.data());
}
VkSurfaceFormatKHR selectedSurfaceFormat = surfaceFormats[0];
for (const auto& availableFormat : surfaceFormats) {
if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
selectedSurfaceFormat = availableFormat;
break;
}
}
// VK_PRESENT_MODE_FIFO_KHR is always available
VkPresentModeKHR selectedPresentMode = VK_PRESENT_MODE_FIFO_KHR;
// Try to find a better mode
for (const auto& availablePresentMode : surfacePresentModes) {
if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
selectedPresentMode = availablePresentMode;
}
}
VkExtent2D swapExtent;
if (surfaceCapabilities.currentExtent.width != UINT32_MAX) {
swapExtent = surfaceCapabilities.currentExtent;
} else {
const uint32_t MAX_WIDTH = 8192;
const uint32_t MAX_HEIGHT = 8192;
swapExtent.width = std::max(surfaceCapabilities.minImageExtent.width, std::min(surfaceCapabilities.maxImageExtent.width, MAX_WIDTH));
swapExtent.height = std::max(surfaceCapabilities.minImageExtent.height, std::min(surfaceCapabilities.maxImageExtent.height, MAX_HEIGHT));
}
return KR_SUCCESS;
#else