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annotate android/testproject/jni/eglnatives.h @ 4710:aeac51289991

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Last test version with GLSurface
author Paul Hunkin <paul@bieh.net>
date Mon, 28 Jun 2010 21:35:28 +1200
parents f3f65cb6a382
children
rev   line source
4708
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1 /*
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2 * Copyright (C) 2007 The Android Open Source Project
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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15 */
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16
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17 #ifndef ANDROID_EGLNATIVES_H
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18 #define ANDROID_EGLNATIVES_H
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19
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20 #include <sys/types.h>
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21
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22 #ifdef __cplusplus
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23 extern "C" {
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24 #endif
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25 /*****************************************************************************/
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26
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27 struct egl_native_window_t;
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28 struct egl_native_pixmap_t;
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29
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30
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31 typedef struct egl_native_window_t* NativeWindowType;
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32 typedef struct egl_native_pixmap_t* NativePixmapType;
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33 typedef void* NativeDisplayType;
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34
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35 /*
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36 * This a conveniance function to create a NativeWindowType surface
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37 * that maps to the whole screen
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38 * This function is actually implemented in libui.so
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39 */
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40
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41 NativeWindowType android_createDisplaySurface();
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42
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43 /* flags returned from swapBuffer */
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44 #define EGL_NATIVES_FLAG_SIZE_CHANGED 0x00000001
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45
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46 /* surface flags */
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47 #define EGL_NATIVES_FLAG_DESTROY_BACKBUFFER 0x00000001
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48
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49 enum native_pixel_format_t
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50 {
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51 NATIVE_PIXEL_FORMAT_RGBA_8888 = 1,
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52 NATIVE_PIXEL_FORMAT_RGB_565 = 4,
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53 NATIVE_PIXEL_FORMAT_RGBA_5551 = 6,
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54 NATIVE_PIXEL_FORMAT_RGBA_4444 = 7,
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55 NATIVE_PIXEL_FORMAT_YCbCr_422_SP= 0x10,
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56 NATIVE_PIXEL_FORMAT_YCbCr_420_SP= 0x11,
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57 };
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58
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59 enum native_memory_type_t
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60 {
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61 NATIVE_MEMORY_TYPE_PMEM = 0,
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62 NATIVE_MEMORY_TYPE_GPU = 1,
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63 NATIVE_MEMORY_TYPE_FB = 2,
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64 NATIVE_MEMORY_TYPE_HEAP = 128
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65 };
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66
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67
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68 struct egl_native_window_t
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69 {
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70 /*
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71 * magic must be set to 0x600913
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72 */
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73 uint32_t magic;
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74
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75 /*
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76 * must be sizeof(egl_native_window_t)
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77 */
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78 uint32_t version;
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79
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80 /*
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81 * ident is reserved for the Android platform
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82 */
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83 uint32_t ident;
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84
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85 /*
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86 * width, height and stride of the window in pixels
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87 * Any of these value can be nul in which case GL commands are
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88 * accepted and processed as usual, but not rendering occurs.
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89 */
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90 int width; // w=h=0 is legal
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91 int height;
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92 int stride;
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93
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94 /*
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95 * format of the native window (see ui/PixelFormat.h)
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96 */
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97 int format;
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98
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99 /*
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100 * Offset of the bits in the VRAM
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101 */
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102 intptr_t offset;
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103
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104 /*
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105 * flags describing some attributes of this surface
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106 * EGL_NATIVES_FLAG_DESTROY_BACKBUFFER: backbuffer not preserved after
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107 * eglSwapBuffers
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108 */
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109 uint32_t flags;
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110
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111 /*
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112 * horizontal and vertical resolution in DPI
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113 */
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114 float xdpi;
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115 float ydpi;
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116
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117 /*
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118 * refresh rate in frames per second (Hz)
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119 */
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120 float fps;
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121
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122
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123 /*
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124 * Base memory virtual address of the surface in the CPU side
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125 */
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126 intptr_t base;
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127
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128 /*
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129 * Heap the offset above is based from
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130 */
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131 int fd;
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132
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133 /*
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134 * Memory type the surface resides into
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135 */
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136 uint8_t memory_type;
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137
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138 /*
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139 * Reserved for future use. MUST BE ZERO.
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140 */
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141 uint8_t reserved_pad[3];
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142 int reserved[8];
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143
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144 /*
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145 * Vertical stride (only relevant with planar formats)
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146 */
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147
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148 int vstride;
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149
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150 /*
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151 * Hook called by EGL to hold a reference on this structure
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152 */
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153 void (*incRef)(NativeWindowType window);
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154
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155 /*
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156 * Hook called by EGL to release a reference on this structure
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157 */
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158 void (*decRef)(NativeWindowType window);
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159
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160 /*
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161 * Hook called by EGL to perform a page flip. This function
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162 * may update the size attributes above, in which case it returns
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163 * the EGL_NATIVES_FLAG_SIZE_CHANGED bit set.
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164 */
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165 uint32_t (*swapBuffers)(NativeWindowType window);
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166
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167 /*
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168 * Hook called by EGL to set the swap rectangle. this hook can be
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169 * null (operation not supported)
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170 */
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171 void (*setSwapRectangle)(NativeWindowType window, int l, int t, int w, int h);
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172
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173 /*
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174 * Reserved for future use. MUST BE ZERO.
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175 */
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176 void (*reserved_proc_0)(void);
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177
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178
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179 /*
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180 * Hook called by EGL to retrieve the next buffer to render into.
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181 * This call updates this structure.
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182 */
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183 uint32_t (*nextBuffer)(NativeWindowType window);
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184
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185 /*
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186 * Hook called by EGL when the native surface is associated to EGL
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187 * (eglCreateWindowSurface). Can be NULL.
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188 */
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189 void (*connect)(NativeWindowType window);
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190
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191 /*
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192 * Hook called by EGL when eglDestroySurface is called. Can be NULL.
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193 */
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194 void (*disconnect)(NativeWindowType window);
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195
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196 /*
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197 * Reserved for future use. MUST BE ZERO.
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198 */
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199 void (*reserved_proc[11])(void);
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200
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201 /*
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202 * Some storage reserved for the oem driver.
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203 */
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204 intptr_t oem[4];
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205 };
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206
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207
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208 struct egl_native_pixmap_t
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209 {
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210 int32_t version; /* must be 32 */
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211 int32_t width;
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212 int32_t height;
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213 int32_t stride;
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214 uint8_t* data;
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215 uint8_t format;
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216 uint8_t rfu[3];
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217 union {
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218 uint32_t compressedFormat;
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219 int32_t vstride;
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220 };
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221 int32_t reserved;
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222 };
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223
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224 /*****************************************************************************/
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225
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226 /*
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227 * OEM's egl's library (libhgl.so) must imlement these hooks to allocate
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228 * the GPU memory they need
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229 */
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230
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231
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232 typedef struct
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233 {
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234 // for internal use
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235 void* user;
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236 // virtual address of this area
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237 void* base;
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238 // size of this area in bytes
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239 size_t size;
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240 // physical address of this area
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241 void* phys;
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242 // offset in this area available to the GPU
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243 size_t offset;
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244 // fd of this area
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245 int fd;
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246 } gpu_area_t;
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247
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248 typedef struct
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249 {
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250 // area where GPU registers are mapped
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251 gpu_area_t regs;
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252 // number of extra areas (currently limited to 2)
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253 int32_t count;
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254 // extra GPU areas (currently limited to 2)
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255 gpu_area_t gpu[2];
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256 } request_gpu_t;
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257
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258
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259 typedef request_gpu_t* (*OEM_EGL_acquire_gpu_t)(void* user);
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260 typedef int (*OEM_EGL_release_gpu_t)(void* user, request_gpu_t* handle);
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261 typedef void (*register_gpu_t)
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262 (void* user, OEM_EGL_acquire_gpu_t, OEM_EGL_release_gpu_t);
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263
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264 void oem_register_gpu(
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265 void* user,
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266 OEM_EGL_acquire_gpu_t acquire,
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267 OEM_EGL_release_gpu_t release);
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268
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269
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270 /*****************************************************************************/
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271
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272 #ifdef __cplusplus
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273 }
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274 #endif
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275
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276 #endif /* ANDROID_EGLNATIVES_H */
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277