Mercurial > sdl-ios-xcode

annotate src/video/android/SDL_androidvideo.c @ 5159:307ccc9c135e

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Made it possible to create a texture of any format, even if not supported by the renderer. This allows me to reduce the set of formats supported by the renderers to the most optimal set, for a nice speed boost.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 00:19:40 -0800
parents 77df56570442
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Android SDL video driver implementation
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25 */
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26
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27 #include "SDL_video.h"
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28 #include "SDL_mouse.h"
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29 #include "../SDL_sysvideo.h"
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30 #include "../SDL_pixels_c.h"
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31 #include "../../events/SDL_events_c.h"
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32 #include "../../events/SDL_windowevents_c.h"
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33
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34 #include "SDL_androidvideo.h"
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35 #include "SDL_androidevents.h"
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36 #include "SDL_androidkeyboard.h"
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37 #include "SDL_androidwindow.h"
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38
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39 #define ANDROID_VID_DRIVER_NAME "Android"
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40
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41 /* Initialization/Query functions */
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42 static int Android_VideoInit(_THIS);
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43 static void Android_VideoQuit(_THIS);
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44
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45 /* GL functions (SDL_androidgl.c) */
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46 extern int Android_GL_LoadLibrary(_THIS, const char *path);
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47 extern void *Android_GL_GetProcAddress(_THIS, const char *proc);
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48 extern void Android_GL_UnloadLibrary(_THIS);
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49 //extern int *Android_GL_GetVisual(_THIS, Display * display, int screen);
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50 extern SDL_GLContext Android_GL_CreateContext(_THIS, SDL_Window * window);
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51 extern int Android_GL_MakeCurrent(_THIS, SDL_Window * window,
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52 SDL_GLContext context);
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53 extern int Android_GL_SetSwapInterval(_THIS, int interval);
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54 extern int Android_GL_GetSwapInterval(_THIS);
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55 extern void Android_GL_SwapWindow(_THIS, SDL_Window * window);
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56 extern void Android_GL_DeleteContext(_THIS, SDL_GLContext context);
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57
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58 /* Android driver bootstrap functions */
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59
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60
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61 // These are filled in with real values in Android_SetScreenResolution on
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62 // init (before SDL_main())
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63 int Android_ScreenWidth = 0;
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64 int Android_ScreenHeight = 0;
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65 Uint32 Android_ScreenFormat = SDL_PIXELFORMAT_UNKNOWN;
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66
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67 /* Currently only one window */
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68 SDL_Window *Android_Window = NULL;
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69
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70 static int
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71 Android_Available(void)
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72 {
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73 return 1;
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74 }
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75
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76 static void
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77 Android_DeleteDevice(SDL_VideoDevice * device)
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78 {
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79 SDL_free(device);
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80 }
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81
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82 static SDL_VideoDevice *
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83 Android_CreateDevice(int devindex)
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84 {
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85 printf("Creating video device\n");
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86 SDL_VideoDevice *device;
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87
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88 /* Initialize all variables that we clean on shutdown */
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89 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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90 if (!device) {
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91 SDL_OutOfMemory();
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92 if (device) {
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93 SDL_free(device);
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94 }
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95 return (0);
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96 }
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97
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98 /* Set the function pointers */
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99 device->VideoInit = Android_VideoInit;
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100 device->VideoQuit = Android_VideoQuit;
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101 device->PumpEvents = Android_PumpEvents;
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102
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103 device->CreateWindow = Android_CreateWindow;
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104 device->SetWindowTitle = Android_SetWindowTitle;
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105 device->DestroyWindow = Android_DestroyWindow;
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106
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107 device->free = Android_DeleteDevice;
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108
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109 /* GL pointers */
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110 device->GL_LoadLibrary = Android_GL_LoadLibrary;
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111 device->GL_GetProcAddress = Android_GL_GetProcAddress;
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112 device->GL_UnloadLibrary = Android_GL_UnloadLibrary;
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113 device->GL_CreateContext = Android_GL_CreateContext;
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114 device->GL_MakeCurrent = Android_GL_MakeCurrent;
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115 device->GL_SetSwapInterval = Android_GL_SetSwapInterval;
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116 device->GL_GetSwapInterval = Android_GL_GetSwapInterval;
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117 device->GL_SwapWindow = Android_GL_SwapWindow;
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118 device->GL_DeleteContext = Android_GL_DeleteContext;
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119
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120 return device;
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121 }
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122
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123 VideoBootStrap Android_bootstrap = {
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124 ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
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125 Android_Available, Android_CreateDevice
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126 };
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127
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128
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129 int
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130 Android_VideoInit(_THIS)
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131 {
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132 SDL_DisplayMode mode;
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133
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134 mode.format = Android_ScreenFormat;
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135 mode.w = Android_ScreenWidth;
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136 mode.h = Android_ScreenHeight;
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137 mode.refresh_rate = 0;
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138 mode.driverdata = NULL;
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139 if (SDL_AddBasicVideoDisplay(&mode) < 0) {
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140 return -1;
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141 }
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142
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143 SDL_zero(mode);
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144 SDL_AddDisplayMode(&_this->displays[0], &mode);
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145
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146 Android_InitKeyboard();
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147
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148 /* We're done! */
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149 return 0;
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150 }
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151
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152 void
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153 Android_VideoQuit(_THIS)
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154 {
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155 }
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156
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157 /* This function gets called before VideoInit() */
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158 void
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159 Android_SetScreenResolution(int width, int height, Uint32 format)
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160 {
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161 Android_ScreenWidth = width;
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162 Android_ScreenHeight = height;
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163 Android_ScreenFormat = format;
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164
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165 if (Android_Window) {
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166 SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
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167 }
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168 }
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169
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170 /* vi: set ts=4 sw=4 expandtab: */