shithub: cstory

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Disable blending for the upscaled framebuffer

I'd set it to RGB24 instead of RGBA32, but I don't know if there'd be
a performance penalty.

--- a/src/Backends/Rendering/SDLTexture.cpp

+++ b/src/Backends/Rendering/SDLTexture.cpp

@@ -452,6 +452,8 @@

 	if (upscaled_framebuffer.texture == NULL)

 		Backend_PrintError("Couldn't regenerate upscaled framebuffer");

+	SDL_SetTextureBlendMode(upscaled_framebuffer.texture, SDL_BLENDMODE_NONE);

+

 	// Create rect that forces 4:3 no matter what size the window is

 	float window_ratio = (float)width / height;

 	float framebuffer_ratio = (float)upscaled_framebuffer.width / upscaled_framebuffer.height;