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annotate src/video/directfb/SDL_DirectFB_video.h @ 3474:1edb86163d62

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Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. If we have to, we can use vertical line and horizontal line textures for vertical and horizontal lines, and then create custom textures for diagonal lines and software render those. It's terrible, but at least it would be pixel perfect.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:22:59 +0000
parents 62d4992e5a92
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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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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,
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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
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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 #define DFB_VERSIONNUM(X, Y, Z) \
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38 ((X)*1000 + (Y)*100 + (Z))
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39
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40 #define DFB_COMPILEDVERSION \
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41 DFB_VERSIONNUM(DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION, DIRECTFB_MICRO_VERSION)
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42
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43 #define DFB_VERSION_ATLEAST(X, Y, Z) \
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44 (DFB_COMPILEDVERSION >= DFB_VERSIONNUM(X, Y, Z))
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45
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46 #if (DFB_VERSION_ATLEAST(1,0,0))
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47 #define SDL_DIRECTFB_OPENGL 1
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48 #include <directfbgl.h>
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49 #else
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50 #error "SDL_DIRECTFB: Please compile against libdirectfb version >= 1.0.0"
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51 #endif
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52
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53 #if SDL_DIRECTFB_OPENGL
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54 #include "SDL_loadso.h"
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55 #endif
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56
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57 #include "SDL_DirectFB_events.h"
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58 /*
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59 * #include "SDL_DirectFB_gamma.h"
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60 * #include "SDL_DirectFB_keyboard.h"
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61 */
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62 #include "SDL_DirectFB_modes.h"
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63 #include "SDL_DirectFB_mouse.h"
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64 #include "SDL_DirectFB_opengl.h"
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65 #include "SDL_DirectFB_window.h"
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66 #include "SDL_DirectFB_WM.h"
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67
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68 #define DFBENV_USE_YUV_UNDERLAY "SDL_DIRECTFB_YUV_UNDERLAY" /* Default: off */
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69 #define DFBENV_USE_YUV_DIRECT "SDL_DIRECTFB_YUV_DIRECT" /* Default: off */
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70 #define DFBENV_USE_X11_CHECK "SDL_DIRECTFB_X11_CHECK" /* Default: on */
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71 #define DFBENV_USE_LINUX_INPUT "SDL_DIRECTFB_LINUX_INPUT" /* Default: on */
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72 #define DFBENV_USE_WM "SDL_DIRECTFB_WM" /* Default: off */
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73
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74 #define SDL_DFB_RELEASE(x) do { if ( (x) != NULL ) { x->Release(x); x = NULL; } } while (0)
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75 #define SDL_DFB_FREE(x) do { if ( (x) != NULL ) { SDL_free(x); x = NULL; } } while (0)
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76 #define SDL_DFB_UNLOCK(x) do { if ( (x) != NULL ) { x->Unlock(x); } } while (0)
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77
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78 #if DEBUG
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79 #define SDL_DFB_DEBUG(x...) do { fprintf(LOG_CHANNEL, "%s:", __FUNCTION__); fprintf(LOG_CHANNEL, x); } while (0)
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80 #define SDL_DFB_DEBUGC(x...) do { fprintf(LOG_CHANNEL, x); } while (0)
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81 #else
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82 #define SDL_DFB_DEBUG(x...) do { } while (0)
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83 #define SDL_DFB_DEBUGC(x...) do { } while (0)
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84 #endif
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85
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86 #define SDL_DFB_CONTEXT "SDL_DirectFB"
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87
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88 #define SDL_DFB_ERR(x...) \
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89 do { \
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90 fprintf(LOG_CHANNEL, "%s: %s <%d>:\n\t", \
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91 SDL_DFB_CONTEXT, __FILE__, __LINE__ ); \
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92 fprintf(LOG_CHANNEL, x ); \
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93 } while (0)
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94
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95 #define SDL_DFB_CHECK(x...) \
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96 do { \
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97 ret = x; \
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98 if (ret != DFB_OK) { \
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99 fprintf(LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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100 fprintf(LOG_CHANNEL, "\t%s\n", #x ); \
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101 fprintf(LOG_CHANNEL, "\t%s\n", DirectFBErrorString (ret) ); \
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102 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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103 } \
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104 } while (0)
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105
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106 #define SDL_DFB_CHECKERR(x...) \
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107 do { \
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108 ret = x; \
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109 if (ret != DFB_OK) { \
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110 fprintf(LOG_CHANNEL, "%s <%d>:\n", __FILE__, __LINE__ ); \
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111 fprintf(LOG_CHANNEL, "\t%s\n", #x ); \
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112 fprintf(LOG_CHANNEL, "\t%s\n", DirectFBErrorString (ret) ); \
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113 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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114 goto error; \
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115 } \
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116 } while (0)
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117
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118 #define SDL_DFB_CALLOC(r, n, s) \
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119 do { \
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120 r = SDL_calloc (n, s); \
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121 if (!(r)) { \
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122 fprintf( LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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123 SDL_OutOfMemory(); \
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124 goto error; \
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125 } \
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126 } while (0)
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127
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128 /* Private display data */
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129
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130 #define SDL_DFB_DEVICEDATA(dev) DFB_DeviceData *devdata = (dev ? (DFB_DeviceData *) ((dev)->driverdata) : NULL)
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131
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132 #define DFB_MAX_SCREENS 10
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133
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134 typedef struct _DFB_DeviceData DFB_DeviceData;
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135 struct _DFB_DeviceData
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136 {
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137 int initialized;
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138
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139 IDirectFB *dfb;
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140 int num_mice;
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141 int mouse_id[0x100];
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142 int num_keyboard;
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143 struct
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144 {
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145 int is_generic;
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146 int id;
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147 } keyboard[10];
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148 DFB_WindowData *firstwin;
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149
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150 int use_yuv_underlays;
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151 int use_linux_input;
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152 int has_own_wm;
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153
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154 /* OpenGL */
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155 void (*glFinish) (void);
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156 void (*glFlush) (void);
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157
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158 /* global events */
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159 IDirectFBEventBuffer *events;
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160 };
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161
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162 #endif /* _SDL_DirectFB_video_h */