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vulkan: use last rendered frame as background for ui

This commit is contained in:
Flyinghead 2019-11-30 12:14:36 +01:00
parent cf7aa4f310
commit 6865d74a85
3 changed files with 27 additions and 6 deletions
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1
core/rend/gui_util.h
View File

@ -39,6 +39,7 @@ static inline void ImGui_impl_RenderDrawData(ImDrawData *draw_data, bool save_ba
{
context->NewFrame();
context->BeginRenderPass();
context->PresentLastFrame();
}
// Record Imgui Draw Data and draw funcs into command buffer
ImGui_ImplVulkan_RenderDrawData(draw_data, (VkCommandBuffer)context->GetCurrentCommandBuffer());

27
core/rend/vulkan/vulkan_context.cpp
View File

@ -692,13 +692,8 @@ void VulkanContext::Present()
}
}
extern Renderer *renderer;
void VulkanContext::PresentFrame(vk::ImageView imageView, vk::Offset2D extent)
void VulkanContext::DrawFrame(vk::ImageView imageView, vk::Offset2D extent)
{
NewFrame();
BeginRenderPass();
float marginWidth = ((float)extent.y / extent.x * width / height - 1.f) / 2.f;
QuadVertex vtx[] = {
{ { -1, -1, 0 }, { 0 - marginWidth, 0 } },
@ -723,12 +718,32 @@ void VulkanContext::PresentFrame(vk::ImageView imageView, vk::Offset2D extent)
commandBuffer.setScissor(0, vk::Rect2D(vk::Offset2D(0, 0), vk::Extent2D(width, height)));
quadBuffer->Bind(commandBuffer);
quadBuffer->Draw(commandBuffer);
}
extern Renderer *renderer;
void VulkanContext::PresentFrame(vk::ImageView imageView, vk::Offset2D extent)
{
NewFrame();
BeginRenderPass();
DrawFrame(imageView, extent);
renderer->DrawOSD(false);
EndFrame();
lastFrameView = imageView;
lastFrameExtent = extent;
}
void VulkanContext::PresentLastFrame()
{
if (lastFrameView)
DrawFrame(lastFrameView, lastFrameExtent);
}
void VulkanContext::Term()
{
lastFrameView = nullptr;
ImGui_ImplVulkan_Shutdown();
gui_term();
if (device && pipelineCache)

5
core/rend/vulkan/vulkan_context.h
View File

@ -47,6 +47,7 @@ public:
void EndFrame();
void Present();
void PresentFrame(vk::ImageView imageView, vk::Offset2D extent);
void PresentLastFrame();
vk::PhysicalDevice GetPhysicalDevice() const { return physicalDevice; }
vk::Device GetDevice() const { return *device; }
@ -91,6 +92,7 @@ private:
vk::Format FindDepthFormat();
void InitImgui();
void DoSwapAutomation();
void DrawFrame(vk::ImageView imageView, vk::Offset2D extent);
vk::SurfaceKHR GetSurface() {
#ifdef USE_SDL
return surface;
@ -181,6 +183,9 @@ private:
std::unique_ptr<QuadPipeline> quadPipeline;
std::unique_ptr<ShaderManager> shaderManager;
vk::ImageView lastFrameView;
vk::Offset2D lastFrameExtent;
#ifdef VK_DEBUG
#ifndef __ANDROID__
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger;