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1 /* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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2 * |
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3 * Permission is hereby granted, free of charge, to any person obtaining a |
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4 * copy of this software and associated documentation files (the "Software"), |
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5 * to deal in the Software without restriction, including without limitation |
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6 * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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7 * and/or sell copies of the Software, and to permit persons to whom the |
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8 * Software is furnished to do so, subject to the following conditions: |
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9 * |
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10 * The above copyright notice and this permission notice shall be included |
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11 * in all copies or substantial portions of the Software. |
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12 * |
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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14 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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16 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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17 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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18 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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19 * |
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20 * Initial Contributors: |
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21 * Nokia Corporation - initial contribution. |
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22 * |
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23 * Contributors: |
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24 * |
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25 * Description: |
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26 * |
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27 */ |
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28 |
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29 #include "common.h" |
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30 #include "hgl.h" |
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31 #include "context.h" |
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32 #include "half.h" |
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33 #include "util.h" |
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34 #include "degl.h" |
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35 |
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36 DGLTexture* DGLTexture_create(GLuint name, DGLTextureType type, GLint num_levels) |
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37 { |
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38 DGLTexture* texture = malloc(sizeof(DGLTexture)); |
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39 if(texture == NULL) |
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40 { |
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41 return NULL; |
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42 } |
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43 |
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44 texture->obj.name = name; |
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45 texture->obj.next = NULL; |
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46 |
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47 texture->type = type; |
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48 |
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49 { |
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50 int face; |
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51 for(face = 0; face < 6; face++) |
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52 { |
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53 texture->num_levels[face] = 0; |
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54 texture->levels[face] = malloc(num_levels * sizeof(DGLTextureLevel)); |
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55 if(texture->levels[face] == NULL) |
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56 { |
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57 while(face--) |
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58 { |
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59 free(texture->levels[face]); |
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60 } |
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61 free(texture); |
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62 return NULL; |
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63 } |
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64 { |
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65 int level; |
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66 for(level = 0; level < num_levels; level++) |
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67 { |
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68 texture->levels[face][level].specified = GL_FALSE; |
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69 texture->levels[face][level].format = 0; |
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70 texture->levels[face][level].width = 0; |
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71 texture->levels[face][level].height = 0; |
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72 texture->levels[face][level].bound_surface = NULL; |
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73 } |
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74 } |
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75 texture->egl_image[face] = NULL; |
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76 } |
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77 } |
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78 |
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79 return texture; |
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80 } |
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81 |
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82 static GLenum dglFaceToTarget(DGLTexture* texture, int face) |
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83 { |
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84 DGLES2_ASSERT(texture != NULL); |
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85 { |
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86 switch(face) |
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87 { |
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88 case 0: |
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89 if(texture->type == DGLES2_TEXTURE_2D) |
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90 { |
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91 return GL_TEXTURE_2D; |
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92 } |
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93 else |
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94 { |
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95 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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96 return GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
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97 } |
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98 |
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99 case 1: |
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100 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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101 return GL_TEXTURE_CUBE_MAP_NEGATIVE_X; |
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102 |
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103 case 2: |
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104 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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105 return GL_TEXTURE_CUBE_MAP_POSITIVE_Y; |
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106 |
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107 case 3: |
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108 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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109 return GL_TEXTURE_CUBE_MAP_NEGATIVE_Y; |
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110 |
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111 case 4: |
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112 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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113 return GL_TEXTURE_CUBE_MAP_POSITIVE_Z; |
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114 |
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115 case 5: |
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116 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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117 return GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; |
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118 |
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119 default: |
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120 DGLES2_ASSERT(GL_FALSE); |
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121 return -1; |
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122 } |
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123 } |
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124 } |
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125 |
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126 void DGLTexture_destroy(DGLTexture *texture) |
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127 { |
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128 DGLES2_ASSERT(texture != NULL); |
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129 { |
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130 int face; |
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131 for(face = 0; face < 6; face++) |
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132 { |
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133 DGLES2_ASSERT(texture->levels[face] != NULL); |
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134 free(texture->levels[face]); |
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135 texture->levels[face] = NULL; |
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136 |
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137 if(texture->egl_image[face] != NULL) |
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138 { |
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139 deglUnregisterImageTarget(texture->egl_image[face], dglFaceToTarget(texture, face), texture->obj.name); |
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140 texture->egl_image[face] = NULL; |
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141 } |
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142 } |
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143 } |
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144 free(texture); |
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145 } |
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146 |
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147 GLboolean DGLTexture_isComplete(const DGLTexture* texture) |
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148 { |
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149 DGLES2_ASSERT(texture != NULL); |
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150 { |
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151 int num_faces = 6 ? texture->type == DGLES2_TEXTURE_CUBE_MAP : 1; |
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152 int face; |
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153 for(face = 0; face < num_faces; face++) |
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154 { |
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155 if(texture->num_levels[face] < 1) |
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156 { |
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157 return GL_FALSE; |
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158 } |
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159 else |
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160 { |
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161 int i; |
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162 const DGLTextureLevel* level_zero; |
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163 int width; |
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164 int height; |
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165 |
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166 level_zero = &texture->levels[face][0]; |
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167 width = level_zero->width; |
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168 height = level_zero->height; |
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169 |
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170 if(width <= 0 || height <= 0) |
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171 { |
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172 return GL_FALSE; |
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173 } |
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174 |
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175 for(i = 1; i < texture->num_levels[face]; i++) |
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176 { |
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177 const DGLTextureLevel* level = &texture->levels[face][i]; |
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178 |
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179 if(width > 1) width /= 2; |
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180 if(height > 1) height /= 2; |
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181 |
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182 if(level->format != level_zero->format || |
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183 level->width != width || |
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184 level->height != height || |
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185 level->width == 0 || |
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186 level->height == 0) |
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187 { |
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188 return GL_FALSE; |
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189 } |
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190 } |
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191 } |
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192 } |
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193 |
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194 return GL_TRUE; |
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195 } |
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196 } |
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197 |
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198 GLboolean DGLTexture_hasLevelZero(const DGLTexture* texture) |
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199 { |
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200 DGLES2_ASSERT(texture != NULL); |
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201 { |
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202 int num_faces = 6 ? texture->type == DGLES2_TEXTURE_CUBE_MAP : 1; |
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203 int face; |
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204 for(face = 0; face < num_faces; face++) |
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205 { |
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206 if(texture->num_levels[face] <= 0 || !texture->levels[face][0].specified) |
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207 { |
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208 return GL_FALSE; |
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209 } |
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210 } |
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211 |
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212 return GL_TRUE; |
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213 } |
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214 } |
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215 |
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216 GLboolean DGLTexture_hasLevelsOtherThanZero(const DGLTexture* texture) |
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217 { |
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218 DGLES2_ASSERT(texture != NULL); |
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219 { |
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220 int num_faces = 6 ? texture->type == DGLES2_TEXTURE_CUBE_MAP : 1; |
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221 int face; |
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222 for(face = 0; face < num_faces; face++) |
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223 { |
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224 int level; |
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225 for(level = 1; level < texture->num_levels[face]; level++) |
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226 { |
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227 if(texture->levels[face][level].specified) |
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228 { |
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229 return GL_TRUE; |
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230 } |
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231 } |
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232 } |
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233 |
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234 return GL_FALSE; |
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235 } |
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236 } |
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237 |
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238 static int dglTargetToFace(DGLTexture* texture, GLenum target) |
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239 { |
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240 DGLES2_ASSERT(texture != NULL); |
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241 { |
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242 switch(target) |
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243 { |
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244 case GL_TEXTURE_2D: |
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245 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_2D); |
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246 return 0; |
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247 |
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248 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
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249 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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250 return 0; |
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251 |
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252 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
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253 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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254 return 1; |
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255 |
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256 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
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257 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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258 return 2; |
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259 |
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260 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
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261 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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262 return 3; |
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263 |
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264 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
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265 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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266 return 4; |
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267 |
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268 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
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269 DGLES2_ASSERT(texture->type == DGLES2_TEXTURE_CUBE_MAP); |
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270 return 5; |
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271 |
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272 default: |
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273 DGLES2_ASSERT(GL_FALSE); |
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274 return -1; |
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275 } |
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276 } |
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277 } |
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278 |
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279 DGLTextureLevel* DGLTexture_getLevel(DGLTexture* texture, GLenum target, GLint level) |
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280 { |
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281 DGLES2_ASSERT(texture != NULL); |
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282 return &texture->levels[dglTargetToFace(texture, target)][level]; |
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283 } |
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284 |
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285 void DGLTexture_setLevel(DGLTexture* texture, GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height) |
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286 { |
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287 DGLES2_ASSERT(texture != NULL); |
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288 { |
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289 DGLTextureLevel* level_obj = DGLTexture_getLevel(texture, target, level); |
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290 level_obj->format = format; |
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291 level_obj->width = width; |
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292 level_obj->height = height; |
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293 level_obj->specified = GL_TRUE; |
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294 } |
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295 } |
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296 |
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297 GLeglImageOES DGLTexture_getEGLImage(DGLTexture* texture, GLenum target) |
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298 { |
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299 return texture->egl_image[dglTargetToFace(texture, target)]; |
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300 } |
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301 |
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302 void DGLTexture_setEGLImage(DGLTexture* texture, GLenum target, GLeglImageOES image) |
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303 { |
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304 texture->egl_image[dglTargetToFace(texture, target)] = image; |
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305 } |
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306 |
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307 void DGLTexture_generateMipmap(DGLTexture* texture) |
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308 { |
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309 DGLES2_ASSERT(texture != NULL); |
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310 { |
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311 int face; |
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312 int num_faces; |
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313 const DGLTextureLevel* level_zero; |
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314 int level; |
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315 int num_levels; |
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316 int width, height; |
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317 |
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318 num_faces = 6 ? texture->type == DGLES2_TEXTURE_CUBE_MAP : 1; |
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319 for(face = 0; face < num_faces; face++) |
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320 { |
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321 level_zero = &texture->levels[face][0]; |
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322 |
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323 num_levels = dglLog2(dglMax(level_zero->width, level_zero->height)) + 1; |
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324 texture->num_levels[face] = num_levels; |
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325 |
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326 width = level_zero->width; |
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327 height = level_zero->height; |
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328 |
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329 for(level = 0; level < num_levels; level++) |
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330 { |
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331 if(width > 1) width /= 2; |
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332 if(height > 1) height /= 2; |
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333 |
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334 DGLES2_ASSERT(level < num_levels - 1 || (width > 1 || height > 1)); |
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335 |
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336 if(texture->levels[face][level].bound_surface != NULL) |
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337 { |
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338 // Texture image is respecified. Release the bound EGLSurface. |
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339 deglReleaseTexImage(texture->levels[face][level].bound_surface, texture->obj.name, level); |
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340 } |
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341 |
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342 texture->levels[face][level].format = level_zero->format; |
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343 texture->levels[face][level].width = width; |
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344 texture->levels[face][level].height = height; |
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345 texture->levels[face][level].bound_surface = NULL; |
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346 texture->levels[face][level].specified = GL_TRUE; |
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347 } |
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348 } |
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349 } |
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350 } |
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351 |
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352 // Add a 3-bit two's complement integer to an integer. |
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353 static int dglAddTwosComplement(int a, char b) |
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354 { |
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355 if(b & 0x4) |
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356 { |
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357 // Negative. |
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358 return a - ((~b + 1) & 0x7); |
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359 } |
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360 else |
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361 { |
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362 // Positive. |
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363 return a + b; |
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364 } |
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365 } |
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366 |
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367 static int dglClamp(int x, int min, int max) |
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368 { |
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369 if(x < min) |
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370 { |
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371 return min; |
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372 } |
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373 else if(x > max) |
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374 { |
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375 return max; |
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376 } |
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377 else |
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378 { |
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379 return x; |
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380 } |
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381 } |
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382 |
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383 static void* dglDecompressETCTexture(int width, int height, const unsigned char* data) |
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384 { |
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385 int bytes_per_pixel = 3; // RGB888 |
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386 |
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387 unsigned char* decompressed = malloc(width * height * bytes_per_pixel); |
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388 if(decompressed == NULL) |
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389 { |
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390 return NULL; |
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391 } |
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392 |
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393 { |
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394 int xblock, yblock; |
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395 |
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396 char dr, dg, db; |
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397 |
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398 // Number of 4x4 blocks horizontally and vertically. |
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399 int num_xblocks = (width + 3) / 4; |
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400 int num_yblocks = (height + 3) / 4; |
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401 |
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402 for(yblock = 0; yblock < num_yblocks; yblock++) |
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403 { |
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404 for(xblock = 0; xblock < num_xblocks; xblock++) |
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405 { |
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406 int i; |
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407 char pixel; |
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408 |
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409 khronos_int64_t blockbits; |
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410 int diffbit, flipbit; |
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411 |
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412 unsigned char r[2], g[2], b[2]; |
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413 |
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414 int table[2]; |
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415 |
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416 // Construct 64 bits from 8 bytes. |
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417 blockbits = data[0]; |
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418 for(i = 1; i < 8; i++) |
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419 { |
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420 blockbits <<= 8; |
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421 blockbits |= data[i]; |
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422 } |
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423 |
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424 diffbit = (blockbits >> 33) & 1; |
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425 flipbit = (blockbits >> 32) & 1; |
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426 |
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427 // Base color. |
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428 |
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429 if(!diffbit) |
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430 { |
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431 // Individual mode. |
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432 |
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433 // Subblock 1. |
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434 r[0] = (blockbits >> 60) & 0xf; |
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435 g[0] = (blockbits >> 52) & 0xf; |
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436 b[0] = (blockbits >> 44) & 0xf; |
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437 |
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438 r[0] |= r[0] << 4; |
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439 g[0] |= g[0] << 4; |
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440 b[0] |= b[0] << 4; |
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441 |
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442 // Subblock 2. |
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443 r[1] = (blockbits >> 56) & 0xf; |
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444 g[1] = (blockbits >> 48) & 0xf; |
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445 b[1] = (blockbits >> 40) & 0xf; |
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446 |
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447 r[1] |= r[1] << 4; |
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448 g[1] |= g[1] << 4; |
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449 b[1] |= b[1] << 4; |
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450 } |
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451 else |
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452 { |
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453 // Differential mode. |
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454 |
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455 r[0] = (blockbits >> 59) & 0x1f; |
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456 g[0] = (blockbits >> 51) & 0x1f; |
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457 b[0] = (blockbits >> 43) & 0x1f; |
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458 |
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459 dr = (blockbits >> 56) & 0x7; |
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460 dg = (blockbits >> 48) & 0x7; |
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461 db = (blockbits >> 40) & 0x7; |
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462 |
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463 // Subblock 2. |
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464 r[1] = dglAddTwosComplement(r[0], dr); |
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465 g[1] = dglAddTwosComplement(g[0], dg); |
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466 b[1] = dglAddTwosComplement(b[0], db); |
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467 |
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468 r[1] = (r[1] << 3) | ((r[1] >> 2) & 0x7); |
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469 g[1] = (g[1] << 3) | ((g[1] >> 2) & 0x7); |
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470 b[1] = (b[1] << 3) | ((b[1] >> 2) & 0x7); |
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471 |
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472 // Subblock 1. |
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473 r[0] = (r[0] << 3) | ((r[0] >> 2) & 0x7); |
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474 g[0] = (g[0] << 3) | ((g[0] >> 2) & 0x7); |
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475 b[0] = (b[0] << 3) | ((b[0] >> 2) & 0x7); |
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476 } |
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477 |
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478 // Modifier tables. |
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479 |
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480 table[0] = (blockbits >> 37) & 0x7; |
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481 table[1] = (blockbits >> 34) & 0x7; |
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482 |
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483 // Write final pixel colors in a top-down left-right order per block. |
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484 for(pixel = 0; pixel < 4 * 4; pixel++) |
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485 { |
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486 static const int tables[][8] = {{2, 8}, {15, 17}, {9, 29}, {13, 42}, |
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487 {18, 60}, {24, 80}, {33, 106}, {47, 183}}; |
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488 |
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489 int x, y; |
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490 int loc; |
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491 int subblock; |
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492 int modifier; |
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493 |
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494 x = 4 * xblock + pixel / 4; |
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495 y = 4 * yblock + pixel % 4; |
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496 |
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497 if(x >= width || y >= height) |
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498 { |
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499 continue; |
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500 } |
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501 |
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502 // Memory location of destination pixel. |
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503 loc = y * width + x; |
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504 loc *= bytes_per_pixel; |
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505 |
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506 if(flipbit) |
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507 { |
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508 subblock = (pixel / 2) & 1; |
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509 } |
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510 else |
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511 { |
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512 subblock = pixel / 8; |
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513 } |
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514 |
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515 DGLES2_ASSERT(subblock == 0 || subblock == 1); |
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516 |
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517 modifier = tables[table[subblock]][(blockbits >> pixel) & 1]; |
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518 if((blockbits >> (16 + pixel)) & 1) |
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519 { |
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520 modifier *= -1; |
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521 } |
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522 |
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523 decompressed[loc + 0] = dglClamp(r[subblock] + modifier, 0, 255); |
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524 decompressed[loc + 1] = dglClamp(g[subblock] + modifier, 0, 255); |
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525 decompressed[loc + 2] = dglClamp(b[subblock] + modifier, 0, 255); |
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526 } |
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527 |
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528 // Move to next block. |
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529 data += 8; |
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530 } |
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531 } |
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532 } |
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533 |
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534 return decompressed; |
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535 } |
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536 |
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537 static GLboolean dglIsPalettedFormat(GLenum format) |
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538 { |
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539 switch(format) |
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540 { |
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541 case GL_PALETTE4_RGB8_OES: |
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542 case GL_PALETTE4_RGBA8_OES: |
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543 case GL_PALETTE4_R5_G6_B5_OES: |
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544 case GL_PALETTE4_RGBA4_OES: |
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545 case GL_PALETTE4_RGB5_A1_OES: |
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546 case GL_PALETTE8_RGB8_OES: |
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547 case GL_PALETTE8_RGBA8_OES: |
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548 case GL_PALETTE8_R5_G6_B5_OES: |
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549 case GL_PALETTE8_RGBA4_OES: |
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550 case GL_PALETTE8_RGB5_A1_OES: |
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551 return GL_TRUE; |
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552 default: |
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553 return GL_FALSE; |
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554 } |
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555 } |
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556 |
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557 static GLenum dglMapPalettedToBaseFormat(GLenum format) |
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558 { |
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559 switch(format) |
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560 { |
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561 case GL_PALETTE4_RGB8_OES: |
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562 case GL_PALETTE4_R5_G6_B5_OES: |
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563 case GL_PALETTE8_RGB8_OES: |
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564 case GL_PALETTE8_R5_G6_B5_OES: |
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565 return GL_RGB; |
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566 |
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567 case GL_PALETTE4_RGBA8_OES: |
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568 case GL_PALETTE4_RGBA4_OES: |
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569 case GL_PALETTE4_RGB5_A1_OES: |
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570 case GL_PALETTE8_RGBA8_OES: |
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571 case GL_PALETTE8_RGBA4_OES: |
|
572 case GL_PALETTE8_RGB5_A1_OES: |
|
573 return GL_RGBA; |
|
574 |
|
575 default: |
|
576 DGLES2_ASSERT(GL_FALSE); |
|
577 } |
|
578 |
|
579 // not reached |
|
580 return 0; |
|
581 } |
|
582 |
|
583 static void* dglDecompressPalettedTexture(int level, GLenum format, int width, int height, int imageSize, const void* data) |
|
584 { |
|
585 const unsigned char* palette = data; |
|
586 int bits_per_pixel; |
|
587 int palette_entry_size; |
|
588 int num_palette_entries; |
|
589 const unsigned char* image_data; |
|
590 int i; |
|
591 int bytes_per_pixel; |
|
592 GLenum base_format; |
|
593 char* decompressed_data; |
|
594 int pixels_per_byte; |
|
595 int max_pixels; |
|
596 int end; |
|
597 int r, g, b, a; |
|
598 |
|
599 switch(format) |
|
600 { |
|
601 case GL_PALETTE4_RGB8_OES: |
|
602 bits_per_pixel = 4; |
|
603 palette_entry_size = 3; |
|
604 break; |
|
605 |
|
606 case GL_PALETTE4_RGBA8_OES: |
|
607 bits_per_pixel = 4; |
|
608 palette_entry_size = 4; |
|
609 break; |
|
610 |
|
611 case GL_PALETTE4_R5_G6_B5_OES: |
|
612 case GL_PALETTE4_RGB5_A1_OES: |
|
613 case GL_PALETTE4_RGBA4_OES: |
|
614 bits_per_pixel = 4; |
|
615 palette_entry_size = 2; |
|
616 break; |
|
617 |
|
618 case GL_PALETTE8_RGB8_OES: |
|
619 bits_per_pixel = 8; |
|
620 palette_entry_size = 3; |
|
621 break; |
|
622 |
|
623 case GL_PALETTE8_RGBA8_OES: |
|
624 bits_per_pixel = 8; |
|
625 palette_entry_size = 4; |
|
626 break; |
|
627 |
|
628 case GL_PALETTE8_R5_G6_B5_OES: |
|
629 case GL_PALETTE8_RGBA4_OES: |
|
630 case GL_PALETTE8_RGB5_A1_OES: |
|
631 bits_per_pixel = 8; |
|
632 palette_entry_size = 2; |
|
633 break; |
|
634 |
|
635 default: |
|
636 DGLES2_ASSERT(GL_FALSE); |
|
637 } |
|
638 |
|
639 num_palette_entries = 2 << (bits_per_pixel - 1); |
|
640 image_data = palette + num_palette_entries * palette_entry_size; |
|
641 |
|
642 // Skip to the correct mip level |
|
643 for(i = 0; i < level; i++) |
|
644 { |
|
645 if(bits_per_pixel == 8) |
|
646 { |
|
647 image_data += width * height * bits_per_pixel / 8; |
|
648 } |
|
649 else |
|
650 { |
|
651 DGLES2_ASSERT(bits_per_pixel == 4); |
|
652 image_data += width * height * bits_per_pixel / 8 / 2; |
|
653 } |
|
654 width /= 2; |
|
655 height /= 2; |
|
656 } |
|
657 |
|
658 base_format = dglMapPalettedToBaseFormat(format); |
|
659 if(base_format == GL_RGB) |
|
660 { |
|
661 bytes_per_pixel = 3; |
|
662 } |
|
663 else |
|
664 { |
|
665 DGLES2_ASSERT(base_format == GL_RGBA); |
|
666 bytes_per_pixel = 4; |
|
667 } |
|
668 |
|
669 decompressed_data = malloc(width * height * bytes_per_pixel); |
|
670 if(decompressed_data == NULL) |
|
671 { |
|
672 return NULL; |
|
673 } |
|
674 |
|
675 // Don't go past the end of the data |
|
676 pixels_per_byte = 8 / bits_per_pixel; |
|
677 max_pixels = ((const unsigned char*)data + imageSize - image_data) * pixels_per_byte; |
|
678 end = dglMin(width * height, max_pixels); |
|
679 |
|
680 for(i = 0; i < end; i++) |
|
681 { |
|
682 int index; |
|
683 if(bits_per_pixel == 4) |
|
684 { |
|
685 if(i & 1) |
|
686 { |
|
687 index = image_data[i / 2] & 15; |
|
688 } |
|
689 else |
|
690 { |
|
691 index = image_data[i / 2] >> 4; |
|
692 } |
|
693 } |
|
694 else |
|
695 { |
|
696 DGLES2_ASSERT(bits_per_pixel == 8); |
|
697 index = image_data[i]; |
|
698 } |
|
699 |
|
700 switch(format) |
|
701 { |
|
702 case GL_PALETTE4_RGB8_OES: |
|
703 case GL_PALETTE8_RGB8_OES: |
|
704 r = palette[index*3]; |
|
705 g = palette[index*3+1]; |
|
706 b = palette[index*3+2]; |
|
707 break; |
|
708 |
|
709 case GL_PALETTE4_RGBA8_OES: |
|
710 case GL_PALETTE8_RGBA8_OES: |
|
711 r = palette[index*4]; |
|
712 g = palette[index*4+1]; |
|
713 b = palette[index*4+2]; |
|
714 a = palette[index*4+3]; |
|
715 break; |
|
716 |
|
717 case GL_PALETTE4_R5_G6_B5_OES: |
|
718 case GL_PALETTE8_R5_G6_B5_OES: |
|
719 r = palette[index*2+1] >> 3; |
|
720 r = (r << 3) | (r >> 2); |
|
721 g = ((palette[index*2+1] & 7) << 3) | (palette[index*2] >> 5); |
|
722 g = (g << 2) | (g >> 4); |
|
723 b = palette[index*2] & 0x1f; |
|
724 b = (b << 3) | (b >> 2); |
|
725 break; |
|
726 |
|
727 case GL_PALETTE4_RGBA4_OES: |
|
728 case GL_PALETTE8_RGBA4_OES: |
|
729 r = palette[index*2+1] >> 4; |
|
730 r |= (r << 4) | r; |
|
731 g = palette[index*2+1] & 0xf; |
|
732 g |= (g << 4) | g; |
|
733 b = palette[index*2] >> 4; |
|
734 b |= (b << 4) | b; |
|
735 a = palette[index*2] & 0xf; |
|
736 a |= (a << 4) | a; |
|
737 break; |
|
738 |
|
739 case GL_PALETTE4_RGB5_A1_OES: |
|
740 case GL_PALETTE8_RGB5_A1_OES: |
|
741 r = palette[index*2+1] >> 3; |
|
742 r = (r << 3) | (r >> 2); |
|
743 g = ((palette[index*2+1] & 7) << 2) | (palette[index*2] >> 6); |
|
744 g = (g << 3) | (g >> 2); |
|
745 b = (palette[index*2] >> 1) & 0x1f; |
|
746 b = (b << 3) | (b >> 2); |
|
747 a = (palette[index*2] & 1) ? 255 : 0; |
|
748 break; |
|
749 |
|
750 default: |
|
751 DGLES2_ASSERT(GL_FALSE); |
|
752 } |
|
753 |
|
754 if(base_format == GL_RGB) |
|
755 { |
|
756 decompressed_data[i*3+0] = r; |
|
757 decompressed_data[i*3+1] = g; |
|
758 decompressed_data[i*3+2] = b; |
|
759 } |
|
760 else |
|
761 { |
|
762 DGLES2_ASSERT(base_format == GL_RGBA); |
|
763 decompressed_data[i*4+0] = r; |
|
764 decompressed_data[i*4+1] = g; |
|
765 decompressed_data[i*4+2] = b; |
|
766 decompressed_data[i*4+3] = a; |
|
767 } |
|
768 } |
|
769 |
|
770 return decompressed_data; |
|
771 } |
|
772 |
|
773 GL_APICALL_BUILD void GL_APIENTRY glActiveTexture(GLenum texture) |
|
774 { |
|
775 DGLES2_ENTER(); |
|
776 ctx->hgl.ActiveTexture(texture); |
|
777 DGLES2_LEAVE(); |
|
778 } |
|
779 |
|
780 GL_APICALL_BUILD void GL_APIENTRY glBindTexture (GLenum target, GLuint texture) |
|
781 { |
|
782 DGLES2_ENTER(); |
|
783 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
784 DGLContext_getHostError(ctx); |
|
785 // Dprintf("glBindTexture(%x, %d)\n", target, texture); |
|
786 ctx->hgl.BindTexture(target, texture); |
|
787 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
788 { |
|
789 if(!DGLContext_bindTexture(ctx, target, texture)) |
|
790 { |
|
791 DGLES2_ERROR(GL_OUT_OF_MEMORY); |
|
792 } |
|
793 } |
|
794 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
795 } |
|
796 |
|
797 static GLboolean dglIsValid2DTextureTarget(GLenum target) |
|
798 { |
|
799 switch(target) |
|
800 { |
|
801 case GL_TEXTURE_2D: |
|
802 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
|
803 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
|
804 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
|
805 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
|
806 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
|
807 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
|
808 return GL_TRUE; |
|
809 |
|
810 default: |
|
811 return GL_FALSE; |
|
812 } |
|
813 } |
|
814 |
|
815 GL_APICALL_BUILD void GL_APIENTRY glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void* data) |
|
816 { |
|
817 DGLES2_ENTER(); |
|
818 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
819 DGLES2_ERROR_IF(!dglIsPalettedFormat(internalformat) && |
|
820 internalformat != GL_ETC1_RGB8_OES, |
|
821 GL_INVALID_ENUM); |
|
822 DGLES2_ERROR_IF(height < 0, GL_INVALID_VALUE); |
|
823 DGLES2_ERROR_IF(width < 0, GL_INVALID_VALUE); |
|
824 DGLES2_ERROR_IF(border != 0, GL_INVALID_VALUE); |
|
825 DGLES2_ERROR_IF(imageSize < 0, GL_INVALID_VALUE); |
|
826 { |
|
827 if(dglIsPalettedFormat(internalformat)) |
|
828 { |
|
829 int num_levels, cur_level; |
|
830 GLenum base_format; |
|
831 DGLTexture* texture; |
|
832 |
|
833 base_format = dglMapPalettedToBaseFormat(internalformat); |
|
834 texture = DGLContext_getTexture(ctx, target); |
|
835 DGLES2_ASSERT(texture != NULL); |
|
836 |
|
837 DGLES2_ERROR_IF(level > 0, GL_INVALID_VALUE); |
|
838 DGLES2_ERROR_IF(level < -ctx->max_texture_level, GL_INVALID_VALUE); |
|
839 |
|
840 num_levels = -level + 1; |
|
841 for(cur_level = 0; cur_level < num_levels; cur_level++) |
|
842 { |
|
843 if(data != NULL) |
|
844 { |
|
845 void* decompressed_data = dglDecompressPalettedTexture(cur_level, internalformat, width, height, imageSize, data); |
|
846 if(decompressed_data == NULL) |
|
847 { |
|
848 DGLES2_ERROR(GL_OUT_OF_MEMORY); |
|
849 } |
|
850 ctx->hgl.TexImage2D(target, cur_level, base_format, width, height, border, base_format, GL_UNSIGNED_BYTE, decompressed_data); |
|
851 free(decompressed_data); |
|
852 } |
|
853 else |
|
854 { |
|
855 ctx->hgl.TexImage2D(target, cur_level, base_format, width, height, border, base_format, GL_UNSIGNED_BYTE, NULL); |
|
856 } |
|
857 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
858 { |
|
859 DGLTexture_setLevel(texture, target, level, internalformat, width, height); |
|
860 DGLTexture_setEGLImage(texture, target, NULL); |
|
861 } |
|
862 width /= 2; |
|
863 height /= 2; |
|
864 } |
|
865 } |
|
866 else |
|
867 { |
|
868 void* decompressed_data; |
|
869 int numblocks; |
|
870 |
|
871 DGLES2_ASSERT(internalformat == GL_ETC1_RGB8_OES); |
|
872 |
|
873 DGLES2_ERROR_IF(level < 0, GL_INVALID_VALUE); |
|
874 DGLES2_ERROR_IF(level > ctx->max_texture_level, GL_INVALID_VALUE); |
|
875 |
|
876 numblocks = ((width + 3) / 4) * ((height + 3) / 4); |
|
877 |
|
878 if(imageSize != numblocks * 8) |
|
879 { |
|
880 DGLES2_ERROR(GL_INVALID_VALUE); |
|
881 } |
|
882 |
|
883 decompressed_data = dglDecompressETCTexture(width, height, data); |
|
884 ctx->hgl.TexImage2D(target, level, GL_RGB, width, height, border, GL_RGB, GL_UNSIGNED_BYTE, decompressed_data); |
|
885 free(decompressed_data); |
|
886 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
887 { |
|
888 DGLTexture* texture; |
|
889 GLeglImageOES image; |
|
890 |
|
891 texture = DGLContext_getTexture(ctx, target); |
|
892 DGLES2_ASSERT(texture != NULL); |
|
893 DGLTexture_setLevel(texture, target, level, internalformat, width, height); |
|
894 |
|
895 image = DGLTexture_getEGLImage(texture, target); |
|
896 if(image != NULL) |
|
897 { |
|
898 // Texture is respecified. It is no longer an EGLImage sibling. |
|
899 deglUnregisterImageTarget(image, target, texture->obj.name); |
|
900 DGLTexture_setEGLImage(texture, target, NULL); |
|
901 } |
|
902 |
|
903 { |
|
904 DGLTextureLevel* level_obj = DGLTexture_getLevel(texture, target, level); |
|
905 if(level_obj->bound_surface != NULL) |
|
906 { |
|
907 // Texture is respecified. Release the bound EGLSurface. |
|
908 deglReleaseTexImage(level_obj->bound_surface, texture->obj.name, level); |
|
909 level_obj->bound_surface = NULL; |
|
910 } |
|
911 } |
|
912 } |
|
913 } |
|
914 } |
|
915 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
916 } |
|
917 |
|
918 GL_APICALL_BUILD void GL_APIENTRY glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void* data) |
|
919 { |
|
920 DGLES2_ENTER(); |
|
921 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
922 DGLES2_ERROR_IF(level < 0, GL_INVALID_VALUE); |
|
923 DGLES2_ERROR_IF(level > ctx->max_texture_level, GL_INVALID_VALUE); |
|
924 DGLES2_ERROR_IF(!dglIsPalettedFormat(format) && format != GL_ETC1_RGB8_OES, GL_INVALID_ENUM); |
|
925 // No supported formats. |
|
926 DGLES2_ERROR(GL_INVALID_OPERATION); |
|
927 DGLES2_LEAVE(); |
|
928 } |
|
929 |
|
930 static GLboolean dglIsValidFormat(GLenum format) |
|
931 { |
|
932 switch(format) |
|
933 { |
|
934 case GL_ALPHA: |
|
935 case GL_RGB: |
|
936 case GL_RGBA: |
|
937 case GL_LUMINANCE: |
|
938 case GL_LUMINANCE_ALPHA: |
|
939 return GL_TRUE; |
|
940 |
|
941 default: |
|
942 return GL_FALSE; |
|
943 } |
|
944 } |
|
945 |
|
946 GL_APICALL_BUILD void GL_APIENTRY glCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) |
|
947 { |
|
948 DGLES2_ENTER(); |
|
949 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
950 DGLES2_ERROR_IF(level < 0, GL_INVALID_VALUE); |
|
951 DGLES2_ERROR_IF(level > ctx->max_texture_level, GL_INVALID_VALUE); |
|
952 DGLES2_ERROR_IF(!dglIsValidFormat(internalformat), GL_INVALID_ENUM); |
|
953 DGLES2_ERROR_IF(border != 0, GL_INVALID_VALUE); |
|
954 { |
|
955 DGLContext_getHostError(ctx); |
|
956 |
|
957 DGLES2_BEGIN_READING(); |
|
958 ctx->hgl.CopyTexImage2D(target, level, internalformat, x, y, width, height, border); |
|
959 DGLES2_END_READING(); |
|
960 |
|
961 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) { |
|
962 DGLTexture* texture; |
|
963 GLeglImageOES image; |
|
964 |
|
965 texture = DGLContext_getTexture(ctx, target); |
|
966 DGLES2_ASSERT(texture != NULL); |
|
967 DGLTexture_setLevel(texture, target, level, internalformat, width, height); |
|
968 |
|
969 image = DGLTexture_getEGLImage(texture, target); |
|
970 if(image != NULL) |
|
971 { |
|
972 // Texture is respecified. It is no longer an EGLImage sibling. |
|
973 deglUnregisterImageTarget(image, target, texture->obj.name); |
|
974 DGLTexture_setEGLImage(texture, target, NULL); |
|
975 } |
|
976 |
|
977 { |
|
978 DGLTextureLevel* level_obj = DGLTexture_getLevel(texture, target, level); |
|
979 if(level_obj->bound_surface != NULL) |
|
980 { |
|
981 // Texture is respecified. Release the bound EGLSurface. |
|
982 deglReleaseTexImage(level_obj->bound_surface, texture->obj.name, level); |
|
983 level_obj->bound_surface = NULL; |
|
984 } |
|
985 } |
|
986 } |
|
987 } |
|
988 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
989 } |
|
990 |
|
991 GL_APICALL_BUILD void GL_APIENTRY glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) |
|
992 { |
|
993 DGLES2_ENTER(); |
|
994 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
995 { |
|
996 DGLTextureLevel* level_obj = DGLContext_getTextureLevel(ctx, target, level); |
|
997 DGLES2_ASSERT(level_obj != NULL); |
|
998 if(dglIsPalettedFormat(level_obj->format) || level_obj->format == GL_ETC1_RGB8_OES) |
|
999 { |
|
1000 DGLES2_ERROR(GL_INVALID_OPERATION); |
|
1001 } |
|
1002 } |
|
1003 DGLContext_getHostError(ctx); |
|
1004 DGLES2_BEGIN_READING(); |
|
1005 ctx->hgl.CopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height); |
|
1006 DGLES2_END_READING(); |
|
1007 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
1008 { |
|
1009 DGLTexture* texture; |
|
1010 GLeglImageOES image; |
|
1011 |
|
1012 texture = DGLContext_getTexture(ctx, target); |
|
1013 DGLES2_ASSERT(texture != NULL); |
|
1014 image = DGLTexture_getEGLImage(texture, target); |
|
1015 if(image != NULL) |
|
1016 { |
|
1017 deglUpdateImageSiblings(image, target, texture->obj.name); |
|
1018 } |
|
1019 } |
|
1020 DGLES2_LEAVE(); |
|
1021 } |
|
1022 |
|
1023 GL_APICALL_BUILD void GL_APIENTRY glDeleteTextures(GLsizei n, const GLuint* textures) |
|
1024 { |
|
1025 DGLES2_ENTER(); |
|
1026 DGLContext_getHostError(ctx); |
|
1027 ctx->hgl.DeleteTextures(n, textures); |
|
1028 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
1029 { |
|
1030 int i; |
|
1031 for(i = 0; i < n; i++) |
|
1032 { |
|
1033 DGLContext_destroyTexture(ctx, textures[n]); |
|
1034 } |
|
1035 } |
|
1036 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
1037 } |
|
1038 |
|
1039 GL_APICALL_BUILD void GL_APIENTRY glGenerateMipmap (GLenum target) |
|
1040 { |
|
1041 DGLES2_ENTER(); |
|
1042 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1043 DGLContext_getHostError(ctx); |
|
1044 ctx->hgl.GenerateMipmapEXT(target); |
|
1045 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
1046 { |
|
1047 DGLTexture* texture; |
|
1048 GLeglImageOES image; |
|
1049 |
|
1050 texture = DGLContext_getTexture(ctx, target); |
|
1051 DGLTexture_generateMipmap(texture); |
|
1052 image = DGLTexture_getEGLImage(texture, target); |
|
1053 if(image != NULL) |
|
1054 { |
|
1055 // Texture is respecified. It is no longer an EGLImage sibling. |
|
1056 deglUnregisterImageTarget(image, target, texture->obj.name); |
|
1057 DGLTexture_setEGLImage(texture, target, NULL); |
|
1058 } |
|
1059 } |
|
1060 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
1061 } |
|
1062 |
|
1063 GL_APICALL_BUILD void GL_APIENTRY glGenTextures(GLsizei n, GLuint* textures) |
|
1064 { |
|
1065 DGLES2_ENTER(); |
|
1066 ctx->hgl.GenTextures(n, textures); |
|
1067 DGLES2_LEAVE(); |
|
1068 } |
|
1069 |
|
1070 static GLboolean dglIsValidTextureParameter(GLenum pname) |
|
1071 { |
|
1072 switch(pname) |
|
1073 { |
|
1074 case GL_TEXTURE_WRAP_S: |
|
1075 case GL_TEXTURE_WRAP_T: |
|
1076 case GL_TEXTURE_MIN_FILTER: |
|
1077 case GL_TEXTURE_MAG_FILTER: |
|
1078 return GL_TRUE; |
|
1079 |
|
1080 default: |
|
1081 return GL_FALSE; |
|
1082 } |
|
1083 } |
|
1084 |
|
1085 GL_APICALL_BUILD void GL_APIENTRY glGetTexParameterfv(GLenum target, GLenum pname, GLfloat* params) |
|
1086 { |
|
1087 DGLES2_ENTER(); |
|
1088 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1089 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1090 ctx->hgl.GetTexParameterfv(target, pname, params); |
|
1091 DGLES2_LEAVE(); |
|
1092 } |
|
1093 |
|
1094 GL_APICALL_BUILD void GL_APIENTRY glGetTexParameteriv(GLenum target, GLenum pname, GLint* params) |
|
1095 { |
|
1096 DGLES2_ENTER(); |
|
1097 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1098 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1099 ctx->hgl.GetTexParameteriv(target, pname, params); |
|
1100 DGLES2_LEAVE(); |
|
1101 } |
|
1102 |
|
1103 GL_APICALL_BUILD GLboolean GL_APIENTRY glIsTexture(GLuint texture) |
|
1104 { |
|
1105 DGLES2_ENTER_RET(GL_FALSE); |
|
1106 DGLES2_LEAVE_RET(ctx->hgl.IsTexture(texture)); |
|
1107 } |
|
1108 |
|
1109 static GLfloat* dglConvertHalfTextureToFloat(GLsizei width, GLsizei height, GLenum format, const void* pixels) |
|
1110 { |
|
1111 int components; |
|
1112 GLfloat* conv; |
|
1113 int i; |
|
1114 |
|
1115 switch(format) |
|
1116 { |
|
1117 case GL_ALPHA: |
|
1118 case GL_LUMINANCE: |
|
1119 components = 1; |
|
1120 break; |
|
1121 |
|
1122 case GL_LUMINANCE_ALPHA: |
|
1123 components = 2; |
|
1124 break; |
|
1125 |
|
1126 case GL_RGB: |
|
1127 components = 3; |
|
1128 break; |
|
1129 |
|
1130 case GL_RGBA: |
|
1131 components = 4; |
|
1132 break; |
|
1133 |
|
1134 default: |
|
1135 DGLES2_ASSERT(GL_FALSE); |
|
1136 } |
|
1137 |
|
1138 conv = malloc(width * height * components * sizeof(GLfloat)); |
|
1139 if(conv == NULL) |
|
1140 { |
|
1141 return NULL; |
|
1142 } |
|
1143 |
|
1144 for(i = 0; i < width * height * components; i++) |
|
1145 { |
|
1146 conv[i] = dglConvertHalfToFloat(((GLfixed*)pixels)[i]); |
|
1147 } |
|
1148 |
|
1149 return conv; |
|
1150 } |
|
1151 |
|
1152 static GLboolean dglIsValidType(GLenum type) |
|
1153 { |
|
1154 switch(type) |
|
1155 { |
|
1156 case GL_UNSIGNED_BYTE: |
|
1157 case GL_UNSIGNED_SHORT_5_6_5: |
|
1158 case GL_UNSIGNED_SHORT_4_4_4_4: |
|
1159 case GL_UNSIGNED_SHORT_5_5_5_1: |
|
1160 return GL_TRUE; |
|
1161 |
|
1162 default: |
|
1163 return GL_FALSE; |
|
1164 } |
|
1165 } |
|
1166 |
|
1167 GL_APICALL_BUILD void GL_APIENTRY glTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void* pixels) |
|
1168 { |
|
1169 DGLES2_ENTER(); |
|
1170 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
1171 DGLES2_ERROR_IF(level < 0, GL_INVALID_VALUE); |
|
1172 DGLES2_ERROR_IF(level > ctx->max_texture_level, GL_INVALID_VALUE); |
|
1173 DGLES2_ERROR_IF(dglIsPalettedFormat(internalformat), GL_INVALID_OPERATION); |
|
1174 DGLES2_ERROR_IF(!dglIsValidFormat(internalformat), GL_INVALID_VALUE); |
|
1175 DGLES2_ERROR_IF(!dglIsValidFormat(format), GL_INVALID_ENUM); |
|
1176 DGLES2_ERROR_IF(!dglIsValidType(type), GL_INVALID_ENUM); |
|
1177 DGLES2_ERROR_IF(border != 0, GL_INVALID_VALUE); |
|
1178 DGLES2_ERROR_IF(format != internalformat, GL_INVALID_OPERATION); |
|
1179 |
|
1180 DGLContext_getHostError(ctx); |
|
1181 |
|
1182 if(pixels != NULL && type == GL_HALF_FLOAT_OES) |
|
1183 { |
|
1184 GLfloat* conv = dglConvertHalfTextureToFloat(width, height, format, pixels); |
|
1185 if(conv == NULL) |
|
1186 { |
|
1187 DGLES2_ERROR(GL_OUT_OF_MEMORY); |
|
1188 } |
|
1189 ctx->hgl.TexImage2D(target, level, internalformat, width, height, border, format, GL_FLOAT, conv); |
|
1190 free(conv); |
|
1191 } |
|
1192 else |
|
1193 { |
|
1194 ctx->hgl.TexImage2D(target, level, internalformat, width, height, border, format, type, pixels); |
|
1195 } |
|
1196 |
|
1197 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
1198 { |
|
1199 DGLTexture* texture; |
|
1200 GLeglImageOES image; |
|
1201 |
|
1202 texture = DGLContext_getTexture(ctx, target); |
|
1203 DGLES2_ASSERT(texture != NULL); |
|
1204 DGLTexture_setLevel(texture, target, level, internalformat, width, height); |
|
1205 |
|
1206 image = DGLTexture_getEGLImage(texture, target); |
|
1207 if(image != NULL) |
|
1208 { |
|
1209 // Texture is respecified. It is no longer an EGLImage sibling. |
|
1210 deglUnregisterImageTarget(image, target, texture->obj.name); |
|
1211 DGLTexture_setEGLImage(texture, target, NULL); |
|
1212 } |
|
1213 |
|
1214 { |
|
1215 DGLTextureLevel* level_obj = DGLTexture_getLevel(texture, target, level); |
|
1216 if(level_obj->bound_surface != NULL) |
|
1217 { |
|
1218 // Texture is respecified. Release the bound EGLSurface. |
|
1219 deglReleaseTexImage(level_obj->bound_surface, texture->obj.name, level); |
|
1220 level_obj->bound_surface = NULL; |
|
1221 } |
|
1222 } |
|
1223 } |
|
1224 |
|
1225 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
1226 } |
|
1227 |
|
1228 GL_APICALL_BUILD void GL_APIENTRY glTexParameterf(GLenum target, GLenum pname, GLfloat param) |
|
1229 { |
|
1230 DGLES2_ENTER(); |
|
1231 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1232 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1233 ctx->hgl.TexParameterf(target, pname, param); |
|
1234 DGLES2_LEAVE(); |
|
1235 } |
|
1236 |
|
1237 GL_APICALL_BUILD void GL_APIENTRY glTexParameterfv(GLenum target, GLenum pname, const GLfloat* params) |
|
1238 { |
|
1239 DGLES2_ENTER(); |
|
1240 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1241 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1242 ctx->hgl.TexParameterfv(target, pname, params); |
|
1243 DGLES2_LEAVE(); |
|
1244 } |
|
1245 |
|
1246 GL_APICALL_BUILD void GL_APIENTRY glTexParameteri(GLenum target, GLenum pname, GLint param) |
|
1247 { |
|
1248 DGLES2_ENTER(); |
|
1249 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1250 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1251 ctx->hgl.TexParameteri(target, pname, param); |
|
1252 DGLES2_LEAVE(); |
|
1253 } |
|
1254 |
|
1255 GL_APICALL_BUILD void GL_APIENTRY glTexParameteriv(GLenum target, GLenum pname, const GLint* params) |
|
1256 { |
|
1257 DGLES2_ENTER(); |
|
1258 DGLES2_ERROR_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP, GL_INVALID_ENUM); |
|
1259 DGLES2_ERROR_IF(!dglIsValidTextureParameter(pname), GL_INVALID_ENUM); |
|
1260 ctx->hgl.TexParameteriv(target, pname, params); |
|
1261 DGLES2_LEAVE(); |
|
1262 } |
|
1263 |
|
1264 GL_APICALL_BUILD void GL_APIENTRY glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels) |
|
1265 { |
|
1266 DGLES2_ENTER(); |
|
1267 DGLES2_ERROR_IF(!dglIsValid2DTextureTarget(target), GL_INVALID_ENUM); |
|
1268 DGLES2_ERROR_IF(level < 0, GL_INVALID_VALUE); |
|
1269 DGLES2_ERROR_IF(level > ctx->max_texture_level, GL_INVALID_VALUE); |
|
1270 DGLES2_ERROR_IF(!dglIsValidFormat(format), GL_INVALID_ENUM); |
|
1271 DGLES2_ERROR_IF(!dglIsValidType(type), GL_INVALID_ENUM); |
|
1272 { |
|
1273 DGLTextureLevel* level_obj = DGLContext_getTextureLevel(ctx, target, level); |
|
1274 DGLES2_ASSERT(level_obj != NULL); |
|
1275 if(format != level_obj->format) |
|
1276 { |
|
1277 DGLES2_ERROR(GL_INVALID_OPERATION); |
|
1278 } |
|
1279 |
|
1280 DGLContext_getHostError(ctx); |
|
1281 |
|
1282 if(pixels != NULL && type == GL_HALF_FLOAT_OES) |
|
1283 { |
|
1284 GLfloat* conv = dglConvertHalfTextureToFloat(width, height, format, pixels); |
|
1285 if(conv == NULL) |
|
1286 { |
|
1287 DGLES2_ERROR(GL_OUT_OF_MEMORY); |
|
1288 } |
|
1289 ctx->hgl.TexSubImage2D(target, level, xoffset, yoffset, width, height, format, GL_FLOAT, conv); |
|
1290 free(conv); |
|
1291 } |
|
1292 else |
|
1293 { |
|
1294 ctx->hgl.TexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels); |
|
1295 } |
|
1296 |
|
1297 if(DGLContext_getHostError(ctx) == GL_NO_ERROR) |
|
1298 { |
|
1299 DGLTexture* texture; |
|
1300 GLeglImageOES image; |
|
1301 |
|
1302 texture = DGLContext_getTexture(ctx, target); |
|
1303 DGLES2_ASSERT(texture != NULL); |
|
1304 image = DGLTexture_getEGLImage(texture, target); |
|
1305 if(image != NULL) |
|
1306 { |
|
1307 deglUpdateImageSiblings(image, target, texture->obj.name); |
|
1308 } |
|
1309 } |
|
1310 } |
|
1311 DGLES2_LEAVE(); |
|
1312 } |
|
1313 |
|
1314 GL_APICALL_BUILD void GL_APIENTRY glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) |
|
1315 { |
|
1316 DGLES2_ENTER(); |
|
1317 DGLES2_ERROR_IF(target != GL_TEXTURE_2D, GL_INVALID_ENUM); |
|
1318 DGLES2_ERROR_IF(image == NULL, GL_INVALID_OPERATION); |
|
1319 { |
|
1320 // Clear all mipmap levels. |
|
1321 int level; |
|
1322 for(level = 0; level <= ctx->max_texture_level; level++) |
|
1323 { |
|
1324 ctx->hgl.TexImage2D(target, level, GL_RGBA, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); |
|
1325 } |
|
1326 |
|
1327 if(!DGLContext_specifyTextureFromEGLImage(ctx, image, target)) |
|
1328 { |
|
1329 DGLES2_ERROR(GL_INVALID_OPERATION); |
|
1330 } |
|
1331 |
|
1332 { |
|
1333 DGLTexture* texture = DGLContext_getTexture(ctx, target); |
|
1334 DGLTextureLevel* level_obj = DGLTexture_getLevel(texture, target, 0); |
|
1335 if(level_obj->bound_surface != NULL) |
|
1336 { |
|
1337 // Texture is respecified. Release the bound EGLSurface. |
|
1338 deglReleaseTexImage(level_obj->bound_surface, texture->obj.name, 0); |
|
1339 level_obj->bound_surface = NULL; |
|
1340 } |
|
1341 } |
|
1342 } |
|
1343 DGLES2_LEAVE_NO_ERROR_CHECK(); |
|
1344 } |