1 /* 2 * Copyright (c) 2002, Thomas Kurschel 3 * Distributed under the terms of the MIT License. 4 */ 5 6 /*! 7 Contains entry point to get public functions. 8 (directly copied from sample driver) 9 */ 10 11 #include "generic.h" 12 13 /* 14 15 The standard entry point. Given a uint32 feature identifier, this routine 16 returns a pointer to the function that implements the feature. Some features 17 require more information than just the identifier to select the proper 18 function. The extra information (which is specific to the feature) is 19 pointed at by the void *data parameter. By default, no extra information 20 is available. Any extra information available to choose the function will be 21 noted on a case by case below. 22 23 */ 24 void * 25 get_accelerant_hook(uint32 feature, void *data) 26 { 27 (void)data; 28 29 switch (feature) { 30 /* 31 These definitions are out of pure lazyness. 32 */ 33 #define HOOK(x) case B_##x: return (void *)x 34 #define ZERO(x) case B_##x: return (void *)0 35 36 /* 37 One of either B_INIT_ACCELERANT or B_CLONE_ACCELERANT will be requested and 38 subsequently called before any other hook is requested. All other feature 39 hook selections can be predicated on variables assigned during the accelerant 40 initialization process. 41 */ 42 /* initialization */ 43 HOOK(INIT_ACCELERANT); 44 HOOK(CLONE_ACCELERANT); 45 46 HOOK(ACCELERANT_CLONE_INFO_SIZE); 47 HOOK(GET_ACCELERANT_CLONE_INFO); 48 HOOK(UNINIT_ACCELERANT); 49 HOOK(GET_ACCELERANT_DEVICE_INFO); 50 HOOK(ACCELERANT_RETRACE_SEMAPHORE); 51 52 /* mode configuration */ 53 HOOK(ACCELERANT_MODE_COUNT); 54 HOOK(GET_MODE_LIST); 55 HOOK(PROPOSE_DISPLAY_MODE); 56 HOOK(SET_DISPLAY_MODE); 57 HOOK(GET_DISPLAY_MODE); 58 HOOK(GET_FRAME_BUFFER_CONFIG); 59 HOOK(GET_PIXEL_CLOCK_LIMITS); 60 HOOK(MOVE_DISPLAY); 61 HOOK(SET_INDEXED_COLORS); 62 //HOOK(GET_TIMING_CONSTRAINTS); 63 #ifdef __HAIKU__ 64 case B_GET_PREFERRED_DISPLAY_MODE: 65 return (void*)radeon_get_preferred_display_mode; 66 case B_GET_EDID_INFO: 67 return (void*)radeon_get_edid_info; 68 #endif 69 70 HOOK(DPMS_CAPABILITIES); 71 HOOK(DPMS_MODE); 72 HOOK(SET_DPMS_MODE); 73 74 /* cursor managment */ 75 HOOK(SET_CURSOR_SHAPE); 76 HOOK(MOVE_CURSOR); 77 HOOK(SHOW_CURSOR); 78 79 /* synchronization */ 80 HOOK(ACCELERANT_ENGINE_COUNT); 81 HOOK(ACQUIRE_ENGINE); 82 HOOK(RELEASE_ENGINE); 83 HOOK(WAIT_ENGINE_IDLE); 84 HOOK(GET_SYNC_TOKEN); 85 HOOK(SYNC_TO_TOKEN); 86 87 /* 88 When requesting an acceleration hook, the calling application provides a 89 pointer to the display_mode for which the acceleration function will be used. 90 Depending on the engine architecture, you may choose to provide a different 91 function to be used with each bit-depth. In the sample driver we return 92 the same function all the time. 93 */ 94 /* 2D acceleration */ 95 HOOK(SCREEN_TO_SCREEN_BLIT); 96 HOOK(FILL_RECTANGLE); 97 HOOK(INVERT_RECTANGLE); 98 HOOK(FILL_SPAN); 99 100 // overlay 101 HOOK(OVERLAY_COUNT); 102 HOOK(OVERLAY_SUPPORTED_SPACES); 103 HOOK(OVERLAY_SUPPORTED_FEATURES); 104 HOOK(ALLOCATE_OVERLAY_BUFFER); 105 HOOK(RELEASE_OVERLAY_BUFFER); 106 HOOK(GET_OVERLAY_CONSTRAINTS); 107 HOOK(ALLOCATE_OVERLAY); 108 HOOK(RELEASE_OVERLAY); 109 HOOK(CONFIGURE_OVERLAY); 110 #undef HOOK 111 #undef ZERO 112 } 113 114 return NULL; 115 } 116