diff options
Diffstat (limited to 'c_src/sdl_blend_mode.c')
| -rw-r--r-- | c_src/sdl_blend_mode.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/c_src/sdl_blend_mode.c b/c_src/sdl_blend_mode.c index 94ece52..a699dbb 100644 --- a/c_src/sdl_blend_mode.c +++ b/c_src/sdl_blend_mode.c @@ -14,6 +14,10 @@ #include "esdl2.h" +#if !SDL_VERSION_ATLEAST(2, 0, 6) +#define SDL_BLENDMODE_INVALID 0x7FFFFFFF +#endif + #define BLEND_MODE_ENUM(E) \ E(none, SDL_BLENDMODE_NONE) \ E(blend, SDL_BLENDMODE_BLEND) \ @@ -24,6 +28,8 @@ NIF_ATOM_TO_ENUM_FUNCTION(atom_to_blend_mode, SDL_BlendMode, BLEND_MODE_ENUM) NIF_ENUM_TO_ATOM_FUNCTION(blend_mode_to_atom, SDL_BlendMode, BLEND_MODE_ENUM) +#if SDL_VERSION_ATLEAST(2, 0, 6) + #define BLEND_OPERATION_ENUM(E) \ E(add, SDL_BLENDOPERATION_ADD) \ E(substract, SDL_BLENDOPERATION_SUBTRACT) \ @@ -82,3 +88,12 @@ NIF_FUNCTION(compose_custom_blend_mode) srcColorFactor, dstColorFactor, colorOp, srcAlphaFactor, dstAlphaFactor, alphaOp); } + +#else + +NIF_FUNCTION(compose_custom_blend_mode) +{ + return atom_undefined; +} + +#endif /* SDL_VERSION_ATLEAST(2, 0, 6) */ |