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vk_swapchain: Avoid recreating the swapchain on each frame 

Recreate only when requested (or sRGB is changed) instead of tracking
the frontend's size. That size is still used as a hint.
This commit is contained in:
ReinUsesLisp 2021-06-01 19:59:29 -03:00 committed by ameerj
parent 22f0c4f002
commit d26271b014
2 changed files with 9 additions and 15 deletions
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18
src/video_core/renderer_vulkan/renderer_vulkan.cpp
View File

@ -97,19 +97,14 @@ RendererVulkan::RendererVulkan(Core::TelemetrySession& telemetry_session_,
Core::Frontend::EmuWindow& emu_window,
Core::Memory::Memory& cpu_memory_, Tegra::GPU& gpu_,
std::unique_ptr<Core::Frontend::GraphicsContext> context_) try
: RendererBase(emu_window, std::move(context_)),
telemetry_session(telemetry_session_),
cpu_memory(cpu_memory_),
gpu(gpu_),
library(OpenLibrary()),
: RendererBase(emu_window, std::move(context_)), telemetry_session(telemetry_session_),
cpu_memory(cpu_memory_), gpu(gpu_), library(OpenLibrary()),
instance(CreateInstance(library, dld, VK_API_VERSION_1_1, render_window.GetWindowInfo().type,
true, Settings::values.renderer_debug.GetValue())),
debug_callback(Settings::values.renderer_debug ? CreateDebugCallback(instance) : nullptr),
surface(CreateSurface(instance, render_window)),
device(CreateDevice(instance, dld, *surface)),
memory_allocator(device, false),
state_tracker(gpu),
scheduler(device, state_tracker),
device(CreateDevice(instance, dld, *surface)), memory_allocator(device, false),
state_tracker(gpu), scheduler(device, state_tracker),
swapchain(*surface, device, scheduler, render_window.GetFramebufferLayout().width,
render_window.GetFramebufferLayout().height, false),
blit_screen(cpu_memory, render_window, device, memory_allocator, swapchain, scheduler,
@ -139,17 +134,16 @@ void RendererVulkan::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
rasterizer.AccelerateDisplay(*framebuffer, framebuffer_addr, framebuffer->stride);
const bool is_srgb = use_accelerated && screen_info.is_srgb;
const Layout::FramebufferLayout layout = render_window.GetFramebufferLayout();
bool has_been_recreated = false;
const auto recreate_swapchain = [&] {
if (!has_been_recreated) {
has_been_recreated = true;
scheduler.WaitWorker();
}
const Layout::FramebufferLayout layout = render_window.GetFramebufferLayout();
swapchain.Create(layout.width, layout.height, is_srgb);
};
if (swapchain.NeedsRecreate() ||
swapchain.HasDifferentLayout(layout.width, layout.height, is_srgb)) {
if (swapchain.NeedsRecreate() || swapchain.HasColorSpaceChanged(is_srgb)) {
recreate_swapchain();
}
bool needs_recreate;

6
src/video_core/renderer_vulkan/vk_swapchain.h
View File

@ -33,9 +33,9 @@ public:
/// Presents the rendered image to the swapchain.
void Present(VkSemaphore render_semaphore);
/// Returns true when the framebuffer layout has changed.
bool HasDifferentLayout(u32 width, u32 height, bool is_srgb) const {
return extent.width != width || extent.height != height || current_srgb != is_srgb;
/// Returns true when the color space has changed.
bool HasColorSpaceChanged(bool is_srgb) const {
return current_srgb != is_srgb;
}
/// Returns true when the image has to be recreated.