SDL_GetRenderDrawBlendMode
Use this function to get the blend mode used for drawing operations.
Syntax
int SDL_GetRenderDrawBlendMode(SDL_Renderer* renderer,
SDL_BlendMode* blendMode)
Function Parameters
renderer |
the rendering context |
blendMode |
a pointer filled in with the current SDL_BlendMode; see Remarks for details |
Return Value
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
You can add your code example here
Remarks
blendMode will be filled in with one of the following:
SDL_BLENDMODE_NONE |
no blending |
SDL_BLENDMODE_BLEND |
dst = (src * A) + (dst * (1-A)) |
SDL_BLENDMODE_ADD |
dst = (src * A) + dst |
SDL_BLENDMODE_MOD |
dst = src * dst |