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a8cb7bbe2f
Adds deduplication logic to ConfigureWindowGeometry() to avoid setting redundant backbuffer, viewport and surface opaque region dimensions. State is now only set when the window and/or backbuffer dimensions change. This repurposes the viewport rect to always hold the actual size of the window, which can differ from the SDL size if things are being scaled. The SDL_Rect was removed in favor of two ints, as the x/y members of the struct were never used, so they just wasted space. Since the internal variables always have the true window size, the width/height getter functions are no longer required and can be removed.
Simple DirectMedia Layer (SDL) Version 2.0
Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games.
More extensive documentation is available in the docs directory, starting with README.md
Enjoy!
Sam Lantinga (slouken@libsdl.org)