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Merge pull request #6941 from ameerj/swapchain-srgb

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vk_swapchain: Prefer linear swapchain format when presenting sRGB images
This commit is contained in:
Fernando S
2021-09-11 22:36:03 +02:00
committed by GitHub
parent 472aad69db 27f8f3333f
commit ec6490f5ad
5 changed files with 37 additions and 11 deletions
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2
src/video_core/renderer_vulkan/vk_blit_screen.cpp
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@ -358,7 +358,7 @@ void VKBlitScreen::CreateDescriptorPool() {
void VKBlitScreen::CreateRenderPass() {
const VkAttachmentDescription color_attachment{
.flags = 0,
.format = swapchain.GetImageFormat(),
.format = swapchain.GetImageViewFormat(),
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,

24
src/video_core/renderer_vulkan/vk_swapchain.cpp
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@ -20,16 +20,15 @@ namespace Vulkan {
namespace {
VkSurfaceFormatKHR ChooseSwapSurfaceFormat(vk::Span<VkSurfaceFormatKHR> formats, bool srgb) {
VkSurfaceFormatKHR ChooseSwapSurfaceFormat(vk::Span<VkSurfaceFormatKHR> formats) {
if (formats.size() == 1 && formats[0].format == VK_FORMAT_UNDEFINED) {
VkSurfaceFormatKHR format;
format.format = VK_FORMAT_B8G8R8A8_UNORM;
format.colorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
return format;
}
const auto& found = std::find_if(formats.begin(), formats.end(), [srgb](const auto& format) {
const auto request_format = srgb ? VK_FORMAT_B8G8R8A8_SRGB : VK_FORMAT_B8G8R8A8_UNORM;
return format.format == request_format &&
const auto& found = std::find_if(formats.begin(), formats.end(), [](const auto& format) {
return format.format == VK_FORMAT_B8G8R8A8_UNORM &&
format.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
});
return found != formats.end() ? *found : formats[0];
@ -143,7 +142,7 @@ void VKSwapchain::CreateSwapchain(const VkSurfaceCapabilitiesKHR& capabilities,
const auto formats{physical_device.GetSurfaceFormatsKHR(surface)};
const auto present_modes{physical_device.GetSurfacePresentModesKHR(surface)};
const VkSurfaceFormatKHR surface_format{ChooseSwapSurfaceFormat(formats, srgb)};
const VkSurfaceFormatKHR surface_format{ChooseSwapSurfaceFormat(formats)};
const VkPresentModeKHR present_mode{ChooseSwapPresentMode(present_modes)};
u32 requested_image_count{capabilities.minImageCount + 1};
@ -178,6 +177,17 @@ void VKSwapchain::CreateSwapchain(const VkSurfaceCapabilitiesKHR& capabilities,
swapchain_ci.queueFamilyIndexCount = static_cast<u32>(queue_indices.size());
swapchain_ci.pQueueFamilyIndices = queue_indices.data();
}
static constexpr std::array view_formats{VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_B8G8R8A8_SRGB};
VkImageFormatListCreateInfo format_list{
.sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO_KHR,
.pNext = nullptr,
.viewFormatCount = static_cast<u32>(view_formats.size()),
.pViewFormats = view_formats.data(),
};
if (device.IsKhrSwapchainMutableFormatEnabled()) {
format_list.pNext = std::exchange(swapchain_ci.pNext, &format_list);
swapchain_ci.flags |= VK_SWAPCHAIN_CREATE_MUTABLE_FORMAT_BIT_KHR;
}
// Request the size again to reduce the possibility of a TOCTOU race condition.
const auto updated_capabilities = physical_device.GetSurfaceCapabilitiesKHR(surface);
swapchain_ci.imageExtent = ChooseSwapExtent(updated_capabilities, width, height);
@ -189,7 +199,7 @@ void VKSwapchain::CreateSwapchain(const VkSurfaceCapabilitiesKHR& capabilities,
images = swapchain.GetImages();
image_count = static_cast<u32>(images.size());
image_format = surface_format.format;
image_view_format = srgb ? VK_FORMAT_B8G8R8A8_SRGB : VK_FORMAT_B8G8R8A8_UNORM;
}
void VKSwapchain::CreateSemaphores() {
@ -205,7 +215,7 @@ void VKSwapchain::CreateImageViews() {
.flags = 0,
.image = {},
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = image_format,
.format = image_view_format,
.components =
{
.r = VK_COMPONENT_SWIZZLE_IDENTITY,

6
src/video_core/renderer_vulkan/vk_swapchain.h
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@ -68,8 +68,8 @@ public:
return *image_views[index];
}
VkFormat GetImageFormat() const {
return image_format;
VkFormat GetImageViewFormat() const {
return image_view_format;
}
VkSemaphore CurrentPresentSemaphore() const {
@ -100,7 +100,7 @@ private:
u32 image_index{};
u32 frame_index{};
VkFormat image_format{};
VkFormat image_view_format{};
VkExtent2D extent{};
bool current_srgb{};