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annotate src/video/pandora/SDL_pandora.c @ 3161:494559cc723b

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OpenPandora support added by David Carré
author Sam Lantinga <slouken@libsdl.org>
date Sun, 31 May 2009 11:53:12 +0000
parents
children d35b649858e0
rev   line source
3161
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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 Open Pandora SDL driver
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23 Copyright (C) 2009 David Carré
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24 (cpasjuste@gmail.com)
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25 */
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26
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27 /* SDL internals */
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28 #include "SDL_config.h"
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29 #include "../SDL_sysvideo.h"
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30 #include "SDL_version.h"
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31 #include "SDL_syswm.h"
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32 #include "SDL_loadso.h"
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33 #include "SDL_events.h"
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34 #include "../../events/SDL_mouse_c.h"
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35 #include "../../events/SDL_keyboard_c.h"
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36
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37 /* PND declarations */
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38 #include "SDL_pandora.h"
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39 #include "SDL_pandora_events.h"
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40
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41 static SDL_bool PND_initialized = SDL_FALSE;
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42
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43 static int
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44 PND_available(void)
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45 {
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46 return 1;
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47 }
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48
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49 static void
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50 PND_destroy(SDL_VideoDevice * device)
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51 {
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52 SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata;
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53
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54 if (device->driverdata != NULL) {
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55 device->driverdata = NULL;
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56 }
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57 }
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58
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59 static SDL_VideoDevice *
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60 PND_create()
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61 {
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62 SDL_VideoDevice *device;
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63 SDL_VideoData *phdata;
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64 int status;
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65
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66 /* Check if pandora could be initialized */
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67 status = PND_available();
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68 if (status == 0) {
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69 /* PND could not be used */
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70 return NULL;
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71 }
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72
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73 /* Initialize SDL_VideoDevice structure */
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74 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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75 if (device == NULL) {
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76 SDL_OutOfMemory();
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77 return NULL;
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78 }
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79
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80 /* Initialize internal Pandora specific data */
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81 phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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82 if (phdata == NULL) {
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83 SDL_OutOfMemory();
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84 SDL_free(device);
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85 return NULL;
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86 }
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87
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88 device->driverdata = phdata;
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89
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90 phdata->egl_initialized = SDL_TRUE;
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91
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92
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93 /* Setup amount of available displays and current display */
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94 device->num_displays = 1;
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95 device->current_display = 1;
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96
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97 /* Set device free function */
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98 device->free = PND_destroy;
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99
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100 /* Setup all functions which we can handle */
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101 device->VideoInit = PND_videoinit;
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102 device->VideoQuit = PND_videoquit;
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103 device->GetDisplayModes = PND_getdisplaymodes;
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104 device->SetDisplayMode = PND_setdisplaymode;
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105 device->SetDisplayPalette = PND_setdisplaypalette;
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106 device->GetDisplayPalette = PND_getdisplaypalette;
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107 device->SetDisplayGammaRamp = PND_setdisplaygammaramp;
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108 device->GetDisplayGammaRamp = PND_getdisplaygammaramp;
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109 device->CreateWindow = PND_createwindow;
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110 device->CreateWindowFrom = PND_createwindowfrom;
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111 device->SetWindowTitle = PND_setwindowtitle;
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112 device->SetWindowIcon = PND_setwindowicon;
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113 device->SetWindowPosition = PND_setwindowposition;
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114 device->SetWindowSize = PND_setwindowsize;
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115 device->ShowWindow = PND_showwindow;
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116 device->HideWindow = PND_hidewindow;
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117 device->RaiseWindow = PND_raisewindow;
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118 device->MaximizeWindow = PND_maximizewindow;
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119 device->MinimizeWindow = PND_minimizewindow;
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120 device->RestoreWindow = PND_restorewindow;
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121 device->SetWindowGrab = PND_setwindowgrab;
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122 device->DestroyWindow = PND_destroywindow;
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123 device->GetWindowWMInfo = PND_getwindowwminfo;
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124 device->GL_LoadLibrary = PND_gl_loadlibrary;
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125 device->GL_GetProcAddress = PND_gl_getprocaddres;
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126 device->GL_UnloadLibrary = PND_gl_unloadlibrary;
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127 device->GL_CreateContext = PND_gl_createcontext;
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128 device->GL_MakeCurrent = PND_gl_makecurrent;
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129 device->GL_SetSwapInterval = PND_gl_setswapinterval;
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130 device->GL_GetSwapInterval = PND_gl_getswapinterval;
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131 device->GL_SwapWindow = PND_gl_swapwindow;
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132 device->GL_DeleteContext = PND_gl_deletecontext;
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133 device->PumpEvents = PND_PumpEvents;
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134
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135 return device;
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136 }
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137
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138 VideoBootStrap PND_bootstrap = {
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139 "pandora",
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140 "SDL Pandora Video Driver",
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141 PND_available,
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142 PND_create
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143 };
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144
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145 /*****************************************************************************/
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146 /* SDL Video and Display initialization/handling functions */
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147 /*****************************************************************************/
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148 int
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diff changeset
149 PND_videoinit(_THIS)
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diff changeset
150 {
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151 SDL_VideoDisplay display;
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152 SDL_DisplayMode current_mode;
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diff changeset
153
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154 SDL_zero(current_mode);
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155 current_mode.w = 800;
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156 current_mode.h = 480;
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157 current_mode.refresh_rate = 60;
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158 current_mode.format = SDL_PIXELFORMAT_RGB565;
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diff changeset
159 current_mode.driverdata = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160
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diff changeset
161 SDL_zero(display);
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diff changeset
162 display.desktop_mode = current_mode;
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163 display.current_mode = current_mode;
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164 display.driverdata = NULL;
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diff changeset
165
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diff changeset
166 SDL_AddVideoDisplay(&display);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
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diff changeset
168 return 1;
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169 }
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diff changeset
170
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171 void
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diff changeset
172 PND_videoquit(_THIS)
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diff changeset
173 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
175 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176
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177 void
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178 PND_getdisplaymodes(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180
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Sam Lantinga <slouken@libsdl.org>
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181 }
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182
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183 int
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184 PND_setdisplaymode(_THIS, SDL_DisplayMode * mode)
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185 {
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186 return 0;
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187 }
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188
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189 int
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Sam Lantinga <slouken@libsdl.org>
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190 PND_setdisplaypalette(_THIS, SDL_Palette * palette)
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Sam Lantinga <slouken@libsdl.org>
parents:
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191 {
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192 SDL_DisplayData *didata =
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193 (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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diff changeset
194
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195 /* Setting display palette operation has been failed */
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196 return -1;
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197 }
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198
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199 int
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200 PND_getdisplaypalette(_THIS, SDL_Palette * palette)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
201 {
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diff changeset
202 SDL_DisplayData *didata =
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203 (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
204
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diff changeset
205 /* Getting display palette operation has been failed */
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206 return -1;
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207 }
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diff changeset
208
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209 int
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diff changeset
210 PND_setdisplaygammaramp(_THIS, Uint16 * ramp)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
211 {
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diff changeset
212 SDL_DisplayData *didata =
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213 (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
214
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215 /* Setting display gamma ramp operation has been failed */
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Sam Lantinga <slouken@libsdl.org>
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216 return -1;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
217 }
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parents:
diff changeset
218
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diff changeset
219 int
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diff changeset
220 PND_getdisplaygammaramp(_THIS, Uint16 * ramp)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 {
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parents:
diff changeset
222 /* Getting display gamma ramp operation has been failed */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
223 return -1;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
224 }
494559cc723b OpenPandora support added by David Carré
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diff changeset
225
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diff changeset
226 int
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diff changeset
227 PND_createwindow(_THIS, SDL_Window * window)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
228 {
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diff changeset
229 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
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diff changeset
230
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diff changeset
231 SDL_WindowData *wdata;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
232
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diff changeset
233 uint32_t winargc = 0;
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diff changeset
234 int32_t status;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
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diff changeset
237 /* Allocate window internal data */
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diff changeset
238 wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 if (wdata == NULL) {
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parents:
diff changeset
240 SDL_OutOfMemory();
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parents:
diff changeset
241 return -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 /* Setup driver data for this window */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 window->driverdata = wdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
247 /* Check if window must support OpenGL ES rendering */
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parents:
diff changeset
248 if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
250 EGLBoolean initstatus;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
252 /* Mark this window as OpenGL ES compatible */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 wdata->uses_gles = SDL_TRUE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 /* Create connection to OpenGL ES */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 if (phdata->egl_display == EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 phdata->egl_display = eglGetDisplay((NativeDisplayType) 0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 if (phdata->egl_display == EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 SDL_SetError("PND: Can't get connection to OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 initstatus = eglInitialize(phdata->egl_display, NULL, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 if (initstatus != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 SDL_SetError("PND: Can't init OpenGL ES library");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 phdata->egl_refcount++;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 /* Window has been successfully created */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 PND_createwindowfrom(_THIS, SDL_Window * window, const void *data)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 PND_setwindowtitle(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 PND_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 PND_setwindowposition(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 PND_setwindowsize(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 PND_showwindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 PND_hidewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 PND_raisewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 PND_maximizewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 PND_minimizewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 PND_restorewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 PND_setwindowgrab(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 PND_destroywindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 /*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 /* SDL Window Manager function */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 /*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 SDL_bool
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 PND_getwindowwminfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 if (info->version.major <= SDL_MAJOR_VERSION) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 return SDL_TRUE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 SDL_SetError("application not compiled with SDL %d.%d\n",
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 return SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 /* Failed to get window manager information */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 return SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 /*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 /* SDL OpenGL/OpenGL ES functions */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 /*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 PND_gl_loadlibrary(_THIS, const char *path)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 /* Check if OpenGL ES library is specified for GF driver */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 path = SDL_getenv("SDL_OPENGL_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 path = SDL_getenv("SDL_OPENGLES_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 /* Check if default library loading requested */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 /* Already linked with GF library which provides egl* subset of */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 /* functions, use Common profile of OpenGL ES library by default */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 path = "/usr/lib/libGLES_CM.so";
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 /* Load dynamic library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 _this->gl_config.dll_handle = SDL_LoadObject(path);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 if (!_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 /* Failed to load new GL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 SDL_SetError("PND: Failed to locate OpenGL ES library");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 /* Store OpenGL ES library path and name */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 SDL_strlcpy(_this->gl_config.driver_path, path,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 SDL_arraysize(_this->gl_config.driver_path));
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 /* New OpenGL ES library is loaded */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 void *
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 PND_gl_getprocaddres(_THIS, const char *proc)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 void *function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 /* Try to get function address through the egl interface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 function_address = eglGetProcAddress(proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 /* Then try to get function in the OpenGL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 function_address =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 SDL_LoadFunction(_this->gl_config.dll_handle, proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 /* Failed to get GL ES function address pointer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 SDL_SetError("PND: Cannot locate OpenGL ES function name");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 PND_gl_unloadlibrary(_THIS)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 if (phdata->egl_initialized == SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 /* Unload OpenGL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 SDL_UnloadObject(_this->gl_config.dll_handle);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 _this->gl_config.dll_handle = NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 SDL_SetError("PND: GF initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 SDL_GLContext
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 PND_gl_createcontext(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 int32_t gfstatus;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 EGLint configs;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 uint32_t attr_pos;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 EGLint attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 EGLint cit;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 /* Check if EGL was initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 SDL_SetError("PND: EGL initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 /* Prepare attributes list to pass them to OpenGL ES */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 wdata->gles_attributes[attr_pos++] = _this->gl_config.red_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 wdata->gles_attributes[attr_pos++] = _this->gl_config.green_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 wdata->gles_attributes[attr_pos++] = _this->gl_config.blue_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 /* Setup alpha size in bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 if (_this->gl_config.alpha_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 wdata->gles_attributes[attr_pos++] = _this->gl_config.alpha_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 /* Setup color buffer size */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 if (_this->gl_config.buffer_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 /* Setup depth buffer bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 wdata->gles_attributes[attr_pos++] = _this->gl_config.depth_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 /* Setup stencil bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 /* Set number of samples in multisampling */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 if (_this->gl_config.multisamplesamples) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 _this->gl_config.multisamplesamples;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 /* Multisample buffers, OpenGL ES 1.0 spec defines 0 or 1 buffer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 if (_this->gl_config.multisamplebuffers) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 _this->gl_config.multisamplebuffers;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 /* Finish attributes list */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 status = eglChooseConfig(phdata->egl_display, wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 wdata->gles_configs, 1, &configs);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 SDL_SetError("PND: Can't find closest configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 /* Check if nothing has been found, try "don't care" settings */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 int32_t it;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 int32_t jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 GLint depthbits[4] = { 32, 24, 16, EGL_DONT_CARE };
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 for (it = 0; it < 4; it++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 for (jt = 16; jt >= 0; jt--) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 /* Don't care about color buffer bits, use what exist */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 /* Replace previous set data with EGL_DONT_CARE */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 /* Try to find requested or smallest depth */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 wdata->gles_attributes[attr_pos++] = depthbits[it];
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 wdata->gles_attributes[attr_pos++] = jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561 wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 eglChooseConfig(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 wdata->gles_configs, 1, &configs);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 ("PND: Can't find closest configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 /* No available configs */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 SDL_SetError("PND: Can't find any configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
591 /* Initialize config index */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
592 wdata->gles_config = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 /* Now check each configuration to find out the best */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 for (cit = 0; cit < configs; cit++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 uint32_t stencil_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 uint32_t depth_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
598
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
599 stencil_found = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
600 depth_found = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
602 if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
604 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605 wdata->gles_configs[cit], EGL_STENCIL_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606 &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
608 if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 stencil_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
610 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 stencil_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 wdata->gles_configs[cit], EGL_DEPTH_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630 /* Exit from loop if found appropriate configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 if ((depth_found != 0) && (stencil_found != 0)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 /* If best could not be found, use first */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 if (cit == configs) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 cit = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 wdata->gles_config = cit;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 /* Create OpenGL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643 wdata->gles_context =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
644 eglCreateContext(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645 wdata->gles_configs[wdata->gles_config], NULL, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647 SDL_SetError("PND: OpenGL ES context creation has been failed");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651 wdata->gles_surface =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 eglCreateWindowSurface(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
653 wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 (NativeWindowType) 0, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 if (wdata->gles_surface == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656 SDL_SetError("Error : eglCreateWindowSurface failed;\n");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 /* Make just created context current */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665 /* Destroy OpenGL ES surface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 eglDestroySurface(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667 eglDestroyContext(phdata->egl_display, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 wdata->gles_context = EGL_NO_CONTEXT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 SDL_SetError("PND: Can't set OpenGL ES context on creation");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 _this->gl_config.accelerated = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 /* Always clear stereo enable, since OpenGL ES do not supports stereo */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 _this->gl_config.stereo = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 /* Get back samples and samplebuffers configurations. Rest framebuffer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 /* parameters could be obtained through the OpenGL ES API */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
680 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
681 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 EGL_SAMPLES, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 _this->gl_config.multisamplesamples = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 EGL_SAMPLE_BUFFERS, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692 _this->gl_config.multisamplebuffers = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
694
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695 /* Get back stencil and depth buffer sizes */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
696 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698 wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 EGL_DEPTH_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 _this->gl_config.depth_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
702 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
703 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704 eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
705 wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
706 EGL_STENCIL_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
707 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
708 _this->gl_config.stencil_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
709 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
710
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
711 /* Under PND OpenGL ES output can't be double buffered */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
712 _this->gl_config.double_buffer = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 /* GL ES context was successfully created */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
715 return wdata->gles_context;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
718 int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719 PND_gl_makecurrent(_THIS, SDL_Window * window, SDL_GLContext context)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
720 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
721 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722 SDL_WindowData *wdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723 EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
724
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
725 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
726 SDL_SetError("PND: GF initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
727 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
728 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
729
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
730 if ((window == NULL) && (context == NULL)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
731 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 eglMakeCurrent(phdata->egl_display, EGL_NO_SURFACE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
733 EGL_NO_SURFACE, EGL_NO_CONTEXT);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
734 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
735 /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
736 SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
737 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
738 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
739 } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
740 wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
741 if (wdata->gles_surface == EGL_NO_SURFACE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
742 SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
743 ("PND: OpenGL ES surface is not initialized for this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 ("PND: OpenGL ES context is not initialized for this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 if (wdata->gles_context != context) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 ("PND: OpenGL ES context is not belong to this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757 eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760 /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
767
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
768 int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
769 PND_gl_setswapinterval(_THIS, int interval)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
772 EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775 SDL_SetError("PND: EGL initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
776 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
777 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779 /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
780 if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781 /* Set swap OpenGL ES interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
782 status = eglSwapInterval(phdata->egl_display, interval);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784 /* Return success to upper level */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
785 phdata->swapinterval = interval;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
786 return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
787 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790 /* Failed to set swap interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791 SDL_SetError("PND: Cannot set swap interval");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
795 int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
796 PND_gl_getswapinterval(_THIS)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
801 SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
802 return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
803 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
804
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 /* Return default swap interval value */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806 return phdata->swapinterval;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
807 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
808
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
809 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
810 PND_gl_swapwindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
812 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
813 SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
814 SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815 (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
816
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
817
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
818 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
819 SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
820 return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
821 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
822
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
823 /* Many applications do not uses glFinish(), so we call it for them */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
824 glFinish();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
825
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826 /* Wait until OpenGL ES rendering is completed */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
827 eglWaitGL();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829 eglSwapBuffers(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
832 void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
833 PND_gl_deletecontext(_THIS, SDL_GLContext context)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834 {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835 SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
837
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838 if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
839 SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840 return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
841 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
843 /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
844 if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845 if (context != EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
846 status = eglDestroyContext(phdata->egl_display, context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847 if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
848 /* Error during OpenGL ES context destroying */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
849 SDL_SetError("PND: OpenGL ES context destroy error");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
850 return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
851 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
852 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
853 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
854
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858 /* vi: set ts=4 sw=4 expandtab: */