kc3-lang/SDL/src/render/opengles

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• Hash : c59d9923
  Author :
  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);
  

• Files

• SDL_glesfuncs.h
• SDL_render_gles.c

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