SDL_DirectFB_video.h (5543B)
1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 22 #include "../../SDL_internal.h" 23 24 #ifndef SDL_DirectFB_video_h_ 25 #define SDL_DirectFB_video_h_ 26 27 #include <directfb.h> 28 #include <directfb_version.h> 29 30 #include "../SDL_sysvideo.h" 31 #include "SDL_scancode.h" 32 #include "SDL_render.h" 33 34 35 #define DFB_VERSIONNUM(X, Y, Z) \ 36 ((X)*1000 + (Y)*100 + (Z)) 37 38 #define DFB_COMPILEDVERSION \ 39 DFB_VERSIONNUM(DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION, DIRECTFB_MICRO_VERSION) 40 41 #define DFB_VERSION_ATLEAST(X, Y, Z) \ 42 (DFB_COMPILEDVERSION >= DFB_VERSIONNUM(X, Y, Z)) 43 44 #if (DFB_VERSION_ATLEAST(1,0,0)) 45 #ifdef SDL_VIDEO_OPENGL 46 #define SDL_DIRECTFB_OPENGL 1 47 #endif 48 #else 49 #error "SDL_DIRECTFB: Please compile against libdirectfb version >= 1.0.0" 50 #endif 51 52 /* Set below to 1 to compile with (old) multi mice/keyboard api. Code left in 53 * in case we see this again ... 54 */ 55 56 #define USE_MULTI_API (0) 57 58 /* Support for LUT8/INDEX8 pixel format. 59 * This is broken in DirectFB 1.4.3. It works in 1.4.0 and 1.4.5 60 * occurred. 61 */ 62 63 #if (DFB_COMPILEDVERSION == DFB_VERSIONNUM(1, 4, 3)) 64 #define ENABLE_LUT8 (0) 65 #else 66 #define ENABLE_LUT8 (1) 67 #endif 68 69 #define DIRECTFB_DEBUG 1 70 71 #define DFBENV_USE_YUV_UNDERLAY "SDL_DIRECTFB_YUV_UNDERLAY" /* Default: off */ 72 #define DFBENV_USE_YUV_DIRECT "SDL_DIRECTFB_YUV_DIRECT" /* Default: off */ 73 #define DFBENV_USE_X11_CHECK "SDL_DIRECTFB_X11_CHECK" /* Default: on */ 74 #define DFBENV_USE_LINUX_INPUT "SDL_DIRECTFB_LINUX_INPUT" /* Default: on */ 75 #define DFBENV_USE_WM "SDL_DIRECTFB_WM" /* Default: off */ 76 77 #define SDL_DFB_RELEASE(x) do { if ( (x) != NULL ) { SDL_DFB_CHECK(x->Release(x)); x = NULL; } } while (0) 78 #define SDL_DFB_FREE(x) do { SDL_free((x)); (x) = NULL; } while (0) 79 #define SDL_DFB_UNLOCK(x) do { if ( (x) != NULL ) { x->Unlock(x); } } while (0) 80 81 #define SDL_DFB_CONTEXT "SDL_DirectFB" 82 83 #define SDL_DFB_ERR(x...) SDL_LogError(SDL_LOG_CATEGORY_ERROR, x) 84 85 #if (DIRECTFB_DEBUG) 86 #define SDL_DFB_LOG(x...) SDL_LogInfo(SDL_LOG_CATEGORY_VIDEO, x) 87 88 #define SDL_DFB_DEBUG(x...) SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, x) 89 90 static SDL_INLINE DFBResult sdl_dfb_check(DFBResult ret, const char *src_file, int src_line) { 91 if (ret != DFB_OK) { 92 SDL_DFB_LOG("%s (%d):%s", src_file, src_line, DirectFBErrorString (ret) ); 93 SDL_SetError("%s:%s", SDL_DFB_CONTEXT, DirectFBErrorString (ret) ); 94 } 95 return ret; 96 } 97 98 #define SDL_DFB_CHECK(x...) do { sdl_dfb_check( x, __FILE__, __LINE__); } while (0) 99 #define SDL_DFB_CHECKERR(x...) do { if ( sdl_dfb_check( x, __FILE__, __LINE__) != DFB_OK ) goto error; } while (0) 100 101 #else 102 103 #define SDL_DFB_CHECK(x...) x 104 #define SDL_DFB_CHECKERR(x...) do { if (x != DFB_OK ) goto error; } while (0) 105 #define SDL_DFB_LOG(x...) do {} while (0) 106 #define SDL_DFB_DEBUG(x...) do {} while (0) 107 108 #endif 109 110 111 #define SDL_DFB_CALLOC(r, n, s) \ 112 do { \ 113 r = SDL_calloc (n, s); \ 114 if (!(r)) { \ 115 SDL_DFB_ERR("Out of memory"); \ 116 SDL_OutOfMemory(); \ 117 goto error; \ 118 } \ 119 } while (0) 120 121 #define SDL_DFB_ALLOC_CLEAR(r, s) SDL_DFB_CALLOC(r, 1, s) 122 123 /* Private display data */ 124 125 #define SDL_DFB_DEVICEDATA(dev) DFB_DeviceData *devdata = (dev ? (DFB_DeviceData *) ((dev)->driverdata) : NULL) 126 127 #define DFB_MAX_SCREENS 10 128 129 typedef struct _DFB_KeyboardData DFB_KeyboardData; 130 struct _DFB_KeyboardData 131 { 132 const SDL_Scancode *map; /* keyboard scancode map */ 133 int map_size; /* size of map */ 134 int map_adjust; /* index adjust */ 135 int is_generic; /* generic keyboard */ 136 int id; 137 }; 138 139 typedef struct _DFB_DeviceData DFB_DeviceData; 140 struct _DFB_DeviceData 141 { 142 int initialized; 143 144 IDirectFB *dfb; 145 int num_mice; 146 int mouse_id[0x100]; 147 int num_keyboard; 148 DFB_KeyboardData keyboard[10]; 149 SDL_Window *firstwin; 150 151 int use_yuv_underlays; 152 int use_yuv_direct; 153 int use_linux_input; 154 int has_own_wm; 155 156 157 /* window grab */ 158 SDL_Window *grabbed_window; 159 160 /* global events */ 161 IDirectFBEventBuffer *events; 162 }; 163 164 Uint32 DirectFB_DFBToSDLPixelFormat(DFBSurfacePixelFormat pixelformat); 165 DFBSurfacePixelFormat DirectFB_SDLToDFBPixelFormat(Uint32 format); 166 void DirectFB_SetSupportedPixelFormats(SDL_RendererInfo *ri); 167 168 169 #endif /* SDL_DirectFB_video_h_ */