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  • Hash : c59d9923
    Author : Sam Lantinga
    Date : 2017-08-14T05:51:44

    Implemented more flexible blending modes for accelerated renderers
    
    This fixes bug 2594 - Propose new blend mode, SDL_BLENDMODE_BLEND_DSTA
    
    	blendMode = SDL_ComposeCustomBlendMode(SDL_BLENDFACTOR_SRC_ALPHA,
    	                                       SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
    	                                       SDL_BLENDOPERATION_ADD,
    	                                       SDL_BLENDFACTOR_ZERO,
    	                                       SDL_BLENDFACTOR_ONE,
    	                                       SDL_BLENDOPERATION_ADD);
    
    This fixes bug 2828 - Subtractive Blending
    
    	blendMode = SDL_ComposeCustomBlendMode(SDL_BLENDFACTOR_SRC_ALPHA,
    	                                       SDL_BLENDFACTOR_ONE,
    	                                       SDL_BLENDOPERATION_SUBTRACT,
    	                                       SDL_BLENDFACTOR_ZERO,
    	                                       SDL_BLENDFACTOR_ONE,
    	                                       SDL_BLENDOPERATION_SUBTRACT);
    
    
    This goes partway to fixing bug 3684 - Add support for a pre-multiplied alpha blending mode
    
    	blendMode = SDL_ComposeCustomBlendMode(SDL_BLENDFACTOR_ONE,
    	                                       SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
    	                                       SDL_BLENDOPERATION_ADD,
    	                                       SDL_BLENDFACTOR_ONE,
    	                                       SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
    	                                       SDL_BLENDOPERATION_ADD);
    

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  • Git HTTP https://git.kmx.io/kc3-lang/SDL.git
    Git SSH git@git.kmx.io:kc3-lang/SDL.git
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    Fork of https://github.com/libsdl-org/SDL

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  • README.txt

  •                          Simple DirectMedia Layer
    
                                      (SDL)
    
                                    Version 2.0
    
    ---
    https://www.libsdl.org/
    
    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)