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annotate src/video/directfb/SDL_DirectFB_video.h @ 3315:87ffdad11607

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Fixed bug #761 Mason Wheeler 2009-07-05 09:28:33 PDT This patch fixes two issues with SDL_CreateTextureFromSurface. 1. If no renderer is available, the function will return 0 without calling SDL_SetError. (It does this in other places as well, but it appears that in these cases, SDL_SetError was already called by a previous function call.) 2. Removal of a dead code block that checks for an impossible return value.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 26 Sep 2009 10:13:44 +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 */