1 #ifndef __al_included_allegro5_render_state_h 2 #define __al_included_allegro5_render_state_h 3 4 #include "allegro5/base.h" 5 6 #ifdef __cplusplus 7 extern "C" { 8 #endif 9 10 /* Enum: ALLEGRO_RENDER_STATE 11 */ 12 typedef enum ALLEGRO_RENDER_STATE { 13 /* ALLEGRO_ALPHA_TEST was the name of a rare bitmap flag only used on the 14 * Wiz port. Reuse the name but retain the same value. 15 */ 16 ALLEGRO_ALPHA_TEST = 0x0010, 17 ALLEGRO_WRITE_MASK, 18 ALLEGRO_DEPTH_TEST, 19 ALLEGRO_DEPTH_FUNCTION, 20 ALLEGRO_ALPHA_FUNCTION, 21 ALLEGRO_ALPHA_TEST_VALUE 22 } ALLEGRO_RENDER_STATE; 23 24 /* Enum: ALLEGRO_RENDER_FUNCTION 25 */ 26 typedef enum ALLEGRO_RENDER_FUNCTION { 27 ALLEGRO_RENDER_NEVER, 28 ALLEGRO_RENDER_ALWAYS, 29 ALLEGRO_RENDER_LESS, 30 ALLEGRO_RENDER_EQUAL, 31 ALLEGRO_RENDER_LESS_EQUAL, 32 ALLEGRO_RENDER_GREATER, 33 ALLEGRO_RENDER_NOT_EQUAL, 34 ALLEGRO_RENDER_GREATER_EQUAL 35 } ALLEGRO_RENDER_FUNCTION; 36 37 /* Enum: ALLEGRO_WRITE_MASK_FLAGS 38 */ 39 typedef enum ALLEGRO_WRITE_MASK_FLAGS { 40 ALLEGRO_MASK_RED = 1 << 0, 41 ALLEGRO_MASK_GREEN = 1 << 1, 42 ALLEGRO_MASK_BLUE = 1 << 2, 43 ALLEGRO_MASK_ALPHA = 1 << 3, 44 ALLEGRO_MASK_DEPTH = 1 << 4, 45 ALLEGRO_MASK_RGB = (ALLEGRO_MASK_RED | ALLEGRO_MASK_GREEN | ALLEGRO_MASK_BLUE), 46 ALLEGRO_MASK_RGBA = (ALLEGRO_MASK_RGB | ALLEGRO_MASK_ALPHA) 47 } ALLEGRO_WRITE_MASK_FLAGS; 48 49 AL_FUNC(void, al_set_render_state, (ALLEGRO_RENDER_STATE state, int value)); 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif 56