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Properly fixed the white screen flash seen on application startup.

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This commit is contained in:
Leon Styhre 2021-03-19 20:05:34 +01:00
parent b5b999cc9e
commit cd19ef7b16
1 changed files with 6 additions and 12 deletions
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18
es-core/src/renderers/Renderer.cpp
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@ -224,18 +224,6 @@ namespace Renderer
return false;
}
// TEMPORARY: This was an attempt to get rid of the annoying white screen flashing seen
// on some systems when starting the application. However it caused other adverse
// effects on Linux such as crashes if attempting to start the application with the
// --resolution flag in full screen mode and when attempting to launch games that changes
// the screen resolution. It may still be usable on other operating systems so I'm
// keeping the code for now.
// // Create a black surface which will avoid the white screen that would otherwise flash
// // by briefly before the splash screen is rendered when using some graphics drivers.
// SDL_Surface* blackSurface = SDL_GetWindowSurface(sdlWindow);
// SDL_FillRect(blackSurface, nullptr, SDL_MapRGB(blackSurface->format, 0x00, 0x00, 0x00));
// SDL_UpdateWindowSurface(sdlWindow);
LOG(LogInfo) << "Setting up OpenGL...";
if (!createContext())
@ -243,6 +231,7 @@ namespace Renderer
setIcon();
setSwapInterval();
swapBuffers();
#if defined(USE_OPENGL_21)
LOG(LogInfo) << "Loading shaders...";
@ -349,6 +338,11 @@ namespace Renderer
setViewport(viewport);
setProjection(projection);
// This is required to avoid a brief white screen flash seen on some systems.
Renderer::drawRect(0.0f, 0.0f, static_cast<float>(Renderer::getScreenWidth()),
static_cast<float>(Renderer::getScreenHeight()), 0x000000FF, 0x000000FF);
swapBuffers();
return true;
}