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annotate src/video/directfb/SDL_DirectFB_video.h @ 2844:70b63882d2ef

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The YCbCr texture extension works now that bytes_per_pixel() returns the correct value for YUV textures. Yay! I'm still cheering for Ryan's pixel shader instead, since once it works different shaders can handle all the YUV formats.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Dec 2008 18:37:06 +0000
parents 140a7edcf2bd
children 99210400e8b9
rev   line source
167
cb384ef627f6 Added support for DirectFB video on Linux (thanks Denis!)
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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parents: 769
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
cb384ef627f6 Added support for DirectFB video on Linux (thanks Denis!)
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_DirectFB_video_h
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25 #define _SDL_DirectFB_video_h
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26
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27 #include "../SDL_sysvideo.h"
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28
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29 #include <directfb.h>
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30 #include <directfb_version.h>
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31
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32 #include "SDL_mouse.h"
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33
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34 #define DEBUG 0
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35 #define LOG_CHANNEL stdout
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36
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37 #if (DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23)
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38 #error "SDL_DIRECTFB: Please compile against libdirectfb version >=0.9.24"
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39 #endif
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40
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41 #if (DIRECTFB_MAJOR_VERSION >= 1) && (DIRECTFB_MINOR_VERSION >= 0) && (DIRECTFB_MICRO_VERSION >= 0 )
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42 #define SDL_DIRECTFB_OPENGL 1
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43 #include <directfbgl.h>
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44 #endif
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45
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46 #if SDL_DIRECTFB_OPENGL
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47 #include "SDL_loadso.h"
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48 #endif
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49
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50 #include "SDL_DirectFB_events.h"
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51 /*
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52 * #include "SDL_DirectFB_gamma.h"
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53 * #include "SDL_DirectFB_keyboard.h"
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54 */
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55 #include "SDL_DirectFB_modes.h"
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56 #include "SDL_DirectFB_mouse.h"
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57 #include "SDL_DirectFB_opengl.h"
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58 #include "SDL_DirectFB_window.h"
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59
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60 #define DFBENV_USE_YUV_UNDERLAY "SDL_DIRECTFB_YUV_UNDERLAY"
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61 #define DFBENV_USE_YUV_DIRECT "SDL_DIRECTFB_YUV_DIRECT"
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62
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63 #define SDL_DFB_RELEASE(x) do { if ( x ) { x->Release(x); x = NULL; } } while (0)
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64 #define SDL_DFB_FREE(x) do { if ( x ) { SDL_free(x); x = NULL; } } while (0)
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65 #define SDL_DFB_UNLOCK(x) do { if ( x ) { x->Unlock(x); } } while (0)
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66
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67 #if DEBUG
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68 #define SDL_DFB_DEBUG(x...) do { fprintf(LOG_CHANNEL, "%s:", __FUNCTION__); fprintf(LOG_CHANNEL, x); } while (0)
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69 #define SDL_DFB_DEBUGC(x...) do { fprintf(LOG_CHANNEL, x); } while (0)
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70 #else
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71 #define SDL_DFB_DEBUG(x...) do { } while (0)
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72 #define SDL_DFB_DEBUGC(x...) do { } while (0)
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73 #endif
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74
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75 #define SDL_DFB_CONTEXT "SDL_DirectFB"
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76
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77 #define SDL_DFB_ERR(x...) \
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78 do { \
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79 fprintf(LOG_CHANNEL, "%s: %s <%d>:\n\t", \
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80 SDL_DFB_CONTEXT, __FILE__, __LINE__ ); \
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81 fprintf(LOG_CHANNEL, x ); \
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82 } while (0)
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83
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84 #define SDL_DFB_CHECK(x...) \
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85 do { \
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86 ret = x; \
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87 if (ret != DFB_OK) { \
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88 fprintf(LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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89 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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90 } \
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91 } while (0)
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92
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93 #define SDL_DFB_CHECKERR(x...) \
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94 do { \
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95 ret = x; \
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96 if (ret != DFB_OK) { \
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97 fprintf(LOG_CHANNEL, "%s <%d>:\n", __FILE__, __LINE__ ); \
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98 fprintf(LOG_CHANNEL, "\t%s\n", #x ); \
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99 fprintf(LOG_CHANNEL, "\t%s\n", DirectFBErrorString (ret) ); \
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100 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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101 goto error; \
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102 } \
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103 } while (0)
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104
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105 #define SDL_DFB_CALLOC(r, n, s) \
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106 do { \
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107 r = SDL_calloc (n, s); \
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108 if (!(r)) { \
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109 fprintf( LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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110 SDL_OutOfMemory(); \
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111 goto error; \
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112 } \
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113 } while (0)
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114
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115 /* Private display data */
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116
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117 #define SDL_DFB_DEVICEDATA(dev) DFB_DeviceData *devdata = (DFB_DeviceData *) ((dev)->driverdata)
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118
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119 #define DFB_MAX_SCREENS 10
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120
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121 typedef struct _DFB_DeviceData DFB_DeviceData;
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122 struct _DFB_DeviceData
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123 {
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124 int initialized;
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125
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126 IDirectFB *dfb;
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127 int mouse;
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128 int keyboard;
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129 int kbdgeneric;
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130 DFB_WindowData *firstwin;
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131
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132 int use_yuv_underlays;
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133
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134 /* OpenGL */
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135 void (*glFinish) (void);
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136 void (*glFlush) (void);
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137
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138 /* global events */
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139 IDirectFBEventBuffer *events;
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140 };
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141
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142 #endif /* _SDL_DirectFB_video_h */