empathicqubit/AppleWin
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Make ClearBackground a standalone function.

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Guidelines suggest to always clear background each frame.

Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea Odetti 2021-02-09 16:05:32 +00:00
parent d912026f3e
commit 3051fbe3fe
2 changed files with 10 additions and 6 deletions
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15
source/frontends/sdl/imgui/sdlimguiframe.cpp
View file

@ -128,6 +128,13 @@ void SDLImGuiFrame::UpdateTexture()
loadTextureFromData(myTexture, myFramebuffer.data() + myOffset, myBorderlessWidth, myBorderlessHeight, myPitch);
}
void SDLImGuiFrame::ClearBackground()
{
const ImVec4 background(0.45f, 0.55f, 0.60f, 1.00f);
glClearColor(background.x, background.y, background.z, background.w);
glClear(GL_COLOR_BUFFER_BIT);
}
void SDLImGuiFrame::DrawAppleVideo()
{
// need to flip the texture vertically
@ -143,12 +150,6 @@ void SDLImGuiFrame::DrawAppleVideo()
ImGui::Image(myTexture, ImGui::GetContentRegionAvail(), uv0, uv1);
}
ImGui::End();
// must clean background if in windowed mode
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
const ImVec4 background(0.45f, 0.55f, 0.60f, 1.00f);
glClearColor(background.x, background.y, background.z, background.w);
glClear(GL_COLOR_BUFFER_BIT);
}
else
{
@ -241,6 +242,7 @@ void SDLImGuiFrame::ShowSettings()
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
@ -264,6 +266,7 @@ void SDLImGuiFrame::RenderPresent()
DrawAppleVideo();
ImGui::Render();
ClearBackground();
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
SDL_GL_SwapWindow(myWindow.get());
}

1
source/frontends/sdl/imgui/sdlimguiframe.h
View file

@ -17,6 +17,7 @@ public:
private:
void ClearBackground();
void DrawAppleVideo();
void ShowSettings();