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annotate src/video/photon/SDL_photon.h @ 3604:e569bbb266eb

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Fixed bug #915 GNU-isms should be avoided wherever possible for portability, please avoid the use of GNU-isms in your code, this may be problematic when using this library in projects which use non-GNU-compliant compilers.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 30 Dec 2009 19:38:08 +0000
parents 05499ec8c022
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 QNX Photon GUI SDL driver
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23 Copyright (C) 2009 Mike Gorchak
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24 (mike@malva.ua, lestat@i.com.ua)
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25 */
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26
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27 #ifndef __SDL_PHOTON_H__
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28 #define __SDL_PHOTON_H__
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29
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30 /* GF headers must be included first for the Photon GF functions */
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31 #if defined(SDL_VIDEO_OPENGL_ES)
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32 #include <gf/gf.h>
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33 #include <GLES/egl.h>
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34 #endif /* SDL_VIDEO_OPENGL_ES */
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35
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36 #include "SDL_config.h"
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37 #include "../SDL_sysvideo.h"
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38
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39 #include <Ph.h>
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40 #include <Pt.h>
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41 #include <photon/PkKeyDef.h>
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42
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43 /* Maximum display devices, which can handle SDL Photon driver */
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44 #define SDL_VIDEO_PHOTON_MAX_RIDS 16
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45
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46 typedef struct SDL_VideoData
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47 {
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48 PhRid_t rid[SDL_VIDEO_PHOTON_MAX_RIDS];
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49 uint32_t avail_rids;
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50 uint32_t current_device_id;
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51 #if defined(SDL_VIDEO_OPENGL_ES)
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52 gf_dev_t gfdev; /* GF device handle */
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53 gf_dev_info_t gfdev_info; /* GF device information */
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54 SDL_bool gfinitialized; /* GF device initialization status */
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55 EGLDisplay egldisplay; /* OpenGL ES display connection */
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56 uint32_t egl_refcount; /* OpenGL ES reference count */
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57 uint32_t swapinterval; /* OpenGL ES default swap interval */
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58 EGLContext lgles_context; /* Last used OpenGL ES context */
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59 EGLSurface lgles_surface; /* Last used OpenGL ES target surface */
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60 #endif /* SDL_VIDEO_OPENGL_ES */
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61 } SDL_VideoData;
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62
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63 /* This is hardcoded value in photon/Pg.h */
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64 #define SDL_VIDEO_PHOTON_DEVICENAME_MAX 41
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65 #define SDL_VIDEO_PHOTON_MAX_CURSOR_SIZE 128
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66
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67 /* Maximum event message size with data payload */
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68 #define SDL_VIDEO_PHOTON_EVENT_SIZE 8192
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69
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70 /* Current video mode graphics capabilities */
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71 #define SDL_VIDEO_PHOTON_CAP_ALPHA_BLEND 0x00000001
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72 #define SDL_VIDEO_PHOTON_CAP_SCALED_BLIT 0x00000002
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73
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74 typedef struct SDL_DisplayData
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75 {
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76 uint32_t device_id;
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77 uint32_t custom_refresh; /* Custom refresh rate for all modes */
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78 SDL_DisplayMode current_mode; /* Current video mode */
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79 uint8_t description[SDL_VIDEO_PHOTON_DEVICENAME_MAX];
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80 /* Device description */
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81 uint32_t caps; /* Device capabilities */
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82 PhCursorDef_t *cursor; /* Global cursor settings */
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83 SDL_bool cursor_visible; /* SDL_TRUE if cursor visible */
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84 uint32_t cursor_size; /* Cursor size in memory w/ structure */
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85 uint32_t mode_2dcaps; /* Current video mode 2D capabilities */
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86 SDL_bool direct_mode; /* Direct mode state */
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87 #if defined(SDL_VIDEO_OPENGL_ES)
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88 gf_display_t display; /* GF display handle */
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89 gf_display_info_t display_info; /* GF display information */
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90 #endif /* SDL_VIDEO_OPENGL_ES */
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91 } SDL_DisplayData;
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92
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93 /* Maximum amount of OpenGL ES framebuffer configurations */
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94 #define SDL_VIDEO_GF_OPENGLES_CONFS 32
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95
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96 typedef struct SDL_WindowData
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97 {
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98 SDL_bool uses_gles; /* if true window must support OpenGL ES */
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99 PtWidget_t *window; /* window handle */
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100 #if defined(SDL_VIDEO_OPENGL_ES)
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101 EGLConfig gles_configs[SDL_VIDEO_GF_OPENGLES_CONFS];
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102 /* OpenGL ES framebuffer confs */
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103 EGLint gles_config; /* OpenGL ES configuration index */
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104 EGLContext gles_context; /* OpenGL ES context */
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105 EGLint gles_attributes[256]; /* OpenGL ES attributes for context */
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106 EGLSurface gles_surface; /* OpenGL ES target rendering surface */
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107 gf_surface_t gfsurface; /* OpenGL ES GF's surface */
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108 PdOffscreenContext_t *phsurface; /* OpenGL ES Photon's surface */
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109 #endif /* SDL_VIDEO_OPENGL_ES */
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110 } SDL_WindowData;
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111
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112 /****************************************************************************/
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113 /* Low level Photon graphics driver capabilities */
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114 /****************************************************************************/
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115 typedef struct Photon_DeviceCaps
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116 {
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117 uint8_t *name;
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118 uint32_t caps;
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119 } Photon_DeviceCaps;
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120
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121 #define SDL_PHOTON_UNACCELERATED 0x00000000
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122 #define SDL_PHOTON_ACCELERATED 0x00000001
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123 #define SDL_PHOTON_UNACCELERATED_3D 0x00000000
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124 #define SDL_PHOTON_ACCELERATED_3D 0x00000004
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125
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126 /****************************************************************************/
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127 /* SDL_VideoDevice functions declaration */
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128 /****************************************************************************/
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129
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130 /* Display and window functions */
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131 int photon_videoinit(_THIS);
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132 void photon_videoquit(_THIS);
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133 void photon_getdisplaymodes(_THIS);
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134 int photon_setdisplaymode(_THIS, SDL_DisplayMode * mode);
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135 int photon_setdisplaypalette(_THIS, SDL_Palette * palette);
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136 int photon_getdisplaypalette(_THIS, SDL_Palette * palette);
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137 int photon_setdisplaygammaramp(_THIS, Uint16 * ramp);
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138 int photon_getdisplaygammaramp(_THIS, Uint16 * ramp);
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139 int photon_createwindow(_THIS, SDL_Window * window);
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140 int photon_createwindowfrom(_THIS, SDL_Window * window, const void *data);
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141 void photon_setwindowtitle(_THIS, SDL_Window * window);
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142 void photon_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon);
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143 void photon_setwindowposition(_THIS, SDL_Window * window);
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144 void photon_setwindowsize(_THIS, SDL_Window * window);
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145 void photon_showwindow(_THIS, SDL_Window * window);
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146 void photon_hidewindow(_THIS, SDL_Window * window);
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147 void photon_raisewindow(_THIS, SDL_Window * window);
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148 void photon_maximizewindow(_THIS, SDL_Window * window);
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149 void photon_minimizewindow(_THIS, SDL_Window * window);
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150 void photon_restorewindow(_THIS, SDL_Window * window);
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151 void photon_setwindowgrab(_THIS, SDL_Window * window);
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152 void photon_destroywindow(_THIS, SDL_Window * window);
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153
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154 /* Window manager function */
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155 SDL_bool photon_getwindowwminfo(_THIS, SDL_Window * window,
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156 struct SDL_SysWMinfo *info);
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157
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158 /* OpenGL/OpenGL ES functions */
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159 int photon_gl_loadlibrary(_THIS, const char *path);
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160 void *photon_gl_getprocaddres(_THIS, const char *proc);
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161 void photon_gl_unloadlibrary(_THIS);
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162 SDL_GLContext photon_gl_createcontext(_THIS, SDL_Window * window);
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163 int photon_gl_makecurrent(_THIS, SDL_Window * window, SDL_GLContext context);
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164 int photon_gl_setswapinterval(_THIS, int interval);
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165 int photon_gl_getswapinterval(_THIS);
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166 void photon_gl_swapwindow(_THIS, SDL_Window * window);
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167 void photon_gl_deletecontext(_THIS, SDL_GLContext context);
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168
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169 /* Helper function, which re-creates surface, not an API */
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170 int photon_gl_recreatesurface(_THIS, SDL_Window * window, uint32_t width, uint32_t height);
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171
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172 /* Event handling function */
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173 void photon_pumpevents(_THIS);
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174
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175 /* Screen saver related function */
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176 void photon_suspendscreensaver(_THIS);
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177
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178 #endif /* __SDL_PHOTON_H__ */
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179
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180 /* vi: set ts=4 sw=4 expandtab: */