1 | /* Copyright (c) 2001, Stanford University
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2 | * All rights reserved
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3 | *
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4 | * See the file LICENSE.txt for information on redistributing this software.
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5 | */
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6 |
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7 | #include "server_dispatch.h"
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8 | #include "server.h"
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9 | #include "cr_error.h"
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10 | #include "cr_mem.h"
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11 | #include "cr_string.h"
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12 | #include "cr_pixeldata.h"
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13 |
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14 | void SERVER_DISPATCH_APIENTRY crServerDispatchSelectBuffer( GLsizei size, GLuint *buffer )
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15 | {
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16 | (void) size;
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17 | (void) buffer;
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18 | crError( "Unsupported network glSelectBuffer call." );
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19 | }
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20 |
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21 | void SERVER_DISPATCH_APIENTRY crServerDispatchGetChromiumParametervCR(GLenum target, GLuint index, GLenum type, GLsizei count, GLvoid *values)
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22 | {
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23 | GLubyte local_storage[4096];
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24 | GLint bytes = 0;
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25 |
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26 | switch (type) {
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27 | case GL_BYTE:
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28 | case GL_UNSIGNED_BYTE:
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29 | bytes = count * sizeof(GLbyte);
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30 | break;
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31 | case GL_SHORT:
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32 | case GL_UNSIGNED_SHORT:
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33 | bytes = count * sizeof(GLshort);
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34 | break;
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35 | case GL_INT:
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36 | case GL_UNSIGNED_INT:
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37 | bytes = count * sizeof(GLint);
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38 | break;
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39 | case GL_FLOAT:
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40 | bytes = count * sizeof(GLfloat);
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41 | break;
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42 | case GL_DOUBLE:
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43 | bytes = count * sizeof(GLdouble);
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44 | break;
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45 | default:
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46 | crError("Bad type in crServerDispatchGetChromiumParametervCR");
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47 | }
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48 |
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49 | CRASSERT(bytes >= 0);
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50 | CRASSERT(bytes < 4096);
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51 |
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52 | cr_server.head_spu->dispatch_table.GetChromiumParametervCR( target, index, type, count, local_storage );
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53 |
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54 | crServerReturnValue( local_storage, bytes );
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55 | }
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56 |
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57 | void SERVER_DISPATCH_APIENTRY crServerDispatchChromiumParametervCR(GLenum target, GLenum type, GLsizei count, const GLvoid *values)
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58 | {
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59 | CRMuralInfo *mural = cr_server.curClient->currentMural;
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60 | static int gather_connect_count = 0;
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61 |
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62 | switch (target) {
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63 | case GL_SET_MAX_VIEWPORT_CR:
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64 | {
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65 | GLint *maxDims = (GLint *)values;
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66 | cr_server.limits.maxViewportDims[0] = maxDims[0];
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67 | cr_server.limits.maxViewportDims[1] = maxDims[1];
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68 | }
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69 | break;
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70 |
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71 | case GL_TILE_INFO_CR:
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72 | /* message from tilesort SPU to set new tile bounds */
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73 | {
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74 | GLint numTiles, muralWidth, muralHeight, server, tiles;
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75 | GLint *tileBounds;
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76 | CRASSERT(count >= 4);
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77 | CRASSERT((count - 4) % 4 == 0); /* must be multiple of four */
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78 | CRASSERT(type == GL_INT);
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79 | numTiles = (count - 4) / 4;
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80 | tileBounds = (GLint *) values;
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81 | server = tileBounds[0];
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82 | muralWidth = tileBounds[1];
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83 | muralHeight = tileBounds[2];
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84 | tiles = tileBounds[3];
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85 | CRASSERT(tiles == numTiles);
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86 | tileBounds += 4; /* skip over header values */
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87 | /*crServerNewMuralTiling(mural, muralWidth, muralHeight, numTiles, tileBounds);
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88 | mural->viewportValidated = GL_FALSE;*/
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89 | }
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90 | break;
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91 |
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92 | case GL_GATHER_DRAWPIXELS_CR:
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93 | if (cr_server.only_swap_once && cr_server.curClient != cr_server.clients[0])
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94 | break;
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95 | cr_server.head_spu->dispatch_table.ChromiumParametervCR( target, type, count, values );
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96 | break;
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97 |
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98 | case GL_GATHER_CONNECT_CR:
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99 | /*
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100 | * We want the last connect to go through,
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101 | * otherwise we might deadlock in CheckWindowSize()
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102 | * in the readback spu
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103 | */
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104 | gather_connect_count++;
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105 | if (cr_server.only_swap_once && (gather_connect_count != cr_server.numClients))
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106 | {
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107 | break;
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108 | }
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109 | cr_server.head_spu->dispatch_table.ChromiumParametervCR( target, type, count, values );
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110 | gather_connect_count = 0;
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111 | break;
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112 |
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113 | case GL_SERVER_VIEW_MATRIX_CR:
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114 | /* Set this server's view matrix which will get premultiplied onto the
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115 | * modelview matrix. For non-planar tilesort and stereo.
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116 | */
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117 | CRASSERT(count == 18);
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118 | CRASSERT(type == GL_FLOAT);
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119 | /* values[0] is the server index. Ignored here but used in tilesort SPU */
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120 | /* values[1] is the left/right eye index (0 or 1) */
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121 | {
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122 | const GLfloat *v = (const GLfloat *) values;
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123 | const int eye = v[1] == 0.0 ? 0 : 1;
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124 | crMatrixInitFromFloats(&cr_server.viewMatrix[eye], v + 2);
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125 |
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126 | crDebug("Got GL_SERVER_VIEW_MATRIX_CR:\n"
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127 | " %f %f %f %f\n"
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128 | " %f %f %f %f\n"
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129 | " %f %f %f %f\n"
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130 | " %f %f %f %f",
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131 | cr_server.viewMatrix[eye].m00,
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132 | cr_server.viewMatrix[eye].m10,
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133 | cr_server.viewMatrix[eye].m20,
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134 | cr_server.viewMatrix[eye].m30,
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135 | cr_server.viewMatrix[eye].m01,
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136 | cr_server.viewMatrix[eye].m11,
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137 | cr_server.viewMatrix[eye].m21,
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138 | cr_server.viewMatrix[eye].m31,
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139 | cr_server.viewMatrix[eye].m02,
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140 | cr_server.viewMatrix[eye].m12,
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141 | cr_server.viewMatrix[eye].m22,
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142 | cr_server.viewMatrix[eye].m32,
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143 | cr_server.viewMatrix[eye].m03,
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144 | cr_server.viewMatrix[eye].m13,
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145 | cr_server.viewMatrix[eye].m23,
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146 | cr_server.viewMatrix[eye].m33);
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147 | }
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148 | cr_server.viewOverride = GL_TRUE;
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149 | break;
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150 |
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151 | case GL_SERVER_PROJECTION_MATRIX_CR:
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152 | /* Set this server's projection matrix which will get replace the user's
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153 | * projection matrix. For non-planar tilesort and stereo.
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154 | */
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155 | CRASSERT(count == 18);
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156 | CRASSERT(type == GL_FLOAT);
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157 | /* values[0] is the server index. Ignored here but used in tilesort SPU */
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158 | /* values[1] is the left/right eye index (0 or 1) */
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159 | {
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160 | const GLfloat *v = (const GLfloat *) values;
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161 | const int eye = v[1] == 0.0 ? 0 : 1;
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162 | crMatrixInitFromFloats(&cr_server.projectionMatrix[eye], v + 2);
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163 |
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164 | crDebug("Got GL_SERVER_PROJECTION_MATRIX_CR:\n"
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165 | " %f %f %f %f\n"
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166 | " %f %f %f %f\n"
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167 | " %f %f %f %f\n"
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168 | " %f %f %f %f",
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169 | cr_server.projectionMatrix[eye].m00,
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170 | cr_server.projectionMatrix[eye].m10,
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171 | cr_server.projectionMatrix[eye].m20,
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172 | cr_server.projectionMatrix[eye].m30,
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173 | cr_server.projectionMatrix[eye].m01,
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174 | cr_server.projectionMatrix[eye].m11,
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175 | cr_server.projectionMatrix[eye].m21,
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176 | cr_server.projectionMatrix[eye].m31,
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177 | cr_server.projectionMatrix[eye].m02,
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178 | cr_server.projectionMatrix[eye].m12,
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179 | cr_server.projectionMatrix[eye].m22,
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180 | cr_server.projectionMatrix[eye].m32,
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181 | cr_server.projectionMatrix[eye].m03,
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182 | cr_server.projectionMatrix[eye].m13,
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183 | cr_server.projectionMatrix[eye].m23,
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184 | cr_server.projectionMatrix[eye].m33);
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185 |
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186 | if (cr_server.projectionMatrix[eye].m33 == 0.0f) {
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187 | float x = cr_server.projectionMatrix[eye].m00;
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188 | float y = cr_server.projectionMatrix[eye].m11;
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189 | float a = cr_server.projectionMatrix[eye].m20;
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190 | float b = cr_server.projectionMatrix[eye].m21;
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191 | float c = cr_server.projectionMatrix[eye].m22;
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192 | float d = cr_server.projectionMatrix[eye].m32;
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193 | float znear = -d / (1.0f - c);
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194 | float zfar = (c - 1.0f) * znear / (c + 1.0f);
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195 | float left = znear * (a - 1.0f) / x;
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196 | float right = 2.0f * znear / x + left;
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197 | float bottom = znear * (b - 1.0f) / y;
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198 | float top = 2.0f * znear / y + bottom;
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199 | crDebug("Frustum: left, right, bottom, top, near, far: %f, %f, %f, %f, %f, %f", left, right, bottom, top, znear, zfar);
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200 | }
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201 | else {
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202 | /* Todo: Add debug output for orthographic projection*/
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203 | }
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204 |
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205 | }
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206 | cr_server.projectionOverride = GL_TRUE;
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207 | break;
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208 |
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209 | default:
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210 | /* Pass the parameter info to the head SPU */
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211 | cr_server.head_spu->dispatch_table.ChromiumParametervCR( target, type, count, values );
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212 | break;
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213 | }
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214 | }
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215 |
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216 |
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217 | void SERVER_DISPATCH_APIENTRY crServerDispatchChromiumParameteriCR(GLenum target, GLint value)
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218 | {
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219 | switch (target) {
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220 | case GL_SHARE_CONTEXT_RESOURCES_CR:
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221 | crStateShareContext(value);
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222 | break;
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223 | case GL_SHARED_DISPLAY_LISTS_CR:
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224 | cr_server.sharedDisplayLists = value;
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225 | break;
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226 | case GL_SHARED_TEXTURE_OBJECTS_CR:
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227 | cr_server.sharedTextureObjects = value;
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228 | break;
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229 | case GL_SHARED_PROGRAMS_CR:
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230 | cr_server.sharedPrograms = value;
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231 | break;
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232 | case GL_SERVER_CURRENT_EYE_CR:
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233 | cr_server.currentEye = value ? 1 : 0;
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234 | break;
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235 | default:
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236 | /* Pass the parameter info to the head SPU */
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237 | cr_server.head_spu->dispatch_table.ChromiumParameteriCR( target, value );
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238 | }
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239 | }
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240 |
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241 |
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242 | void SERVER_DISPATCH_APIENTRY crServerDispatchChromiumParameterfCR(GLenum target, GLfloat value)
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243 | {
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244 | switch (target) {
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245 | case GL_SHARED_DISPLAY_LISTS_CR:
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246 | cr_server.sharedDisplayLists = (int) value;
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247 | break;
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248 | case GL_SHARED_TEXTURE_OBJECTS_CR:
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249 | cr_server.sharedTextureObjects = (int) value;
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250 | break;
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251 | case GL_SHARED_PROGRAMS_CR:
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252 | cr_server.sharedPrograms = (int) value;
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253 | break;
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254 | default:
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255 | /* Pass the parameter info to the head SPU */
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256 | cr_server.head_spu->dispatch_table.ChromiumParameterfCR( target, value );
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257 | }
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258 | }
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259 |
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260 | void crServerCreateInfoDeleteCB(void *data)
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261 | {
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262 | CRCreateInfo_t *pCreateInfo = (CRCreateInfo_t *) data;
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263 | if (pCreateInfo->pszDpyName)
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264 | crFree(pCreateInfo->pszDpyName);
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265 | }
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266 |
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267 | GLint crServerGenerateID(GLint *pCounter)
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268 | {
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269 | return (*pCounter)++;
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270 | }
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271 |
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272 | void SERVER_DISPATCH_APIENTRY
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273 | crServerDispatchCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
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274 | {
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275 | /*@todo pbo/fbo disabled for now as it's slower, check on other gpus*/
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276 | static int siHavePBO = 0;
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277 | static int siHaveFBO = 0;
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278 |
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279 | if ((target!=GL_TEXTURE_2D) || (height>=0))
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280 | {
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281 | cr_server.head_spu->dispatch_table.CopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
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282 | }
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283 | else /* negative height, means we have to Yinvert the source pixels while copying */
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284 | {
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285 | SPUDispatchTable *gl = &cr_server.head_spu->dispatch_table;
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286 |
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287 | if (siHavePBO<0)
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288 | {
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289 | const char *ext = (const char*)gl->GetString(GL_EXTENSIONS);
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290 | siHavePBO = crStrstr(ext, "GL_ARB_pixel_buffer_object") ? 1:0;
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291 | }
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292 |
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293 | if (siHaveFBO<0)
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294 | {
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295 | const char *ext = (const char*)gl->GetString(GL_EXTENSIONS);
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296 | siHaveFBO = crStrstr(ext, "GL_EXT_framebuffer_object") ? 1:0;
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297 | }
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298 |
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299 | if (siHavePBO==0 && siHaveFBO==0)
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300 | {
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301 | #if 1
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302 | GLint dRow, sRow;
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303 | for (dRow=yoffset, sRow=y-height-1; dRow<yoffset-height; dRow++, sRow--)
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304 | {
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305 | gl->CopyTexSubImage2D(target, level, xoffset, dRow, x, sRow, width, 1);
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306 | }
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307 | #else
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308 | {
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309 | GLint w, h, i;
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310 | char *img1, *img2, *sPtr, *dPtr;
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311 | CRContext *ctx = crStateGetCurrent();
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312 |
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313 | w = ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->level[0][level].width;
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314 | h = ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->level[0][level].height;
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315 |
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316 | img1 = crAlloc(4*w*h);
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317 | img2 = crAlloc(4*width*(-height));
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318 | CRASSERT(img1 && img2);
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319 |
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320 | gl->CopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, -height);
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321 | gl->GetTexImage(target, level, GL_RGBA, GL_UNSIGNED_BYTE, img1);
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322 |
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323 | sPtr=img1+4*xoffset+4*w*yoffset;
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324 | dPtr=img2+4*width*(-height-1);
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325 |
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326 | for (i=0; i<-height; ++i)
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327 | {
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328 | crMemcpy(dPtr, sPtr, 4*width);
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329 | sPtr += 4*w;
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330 | dPtr -= 4*width;
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331 | }
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332 |
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333 | gl->TexSubImage2D(target, level, xoffset, yoffset, width, -height, GL_RGBA, GL_UNSIGNED_BYTE, img2);
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334 |
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335 | crFree(img1);
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336 | crFree(img2);
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337 | }
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338 | #endif
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339 | }
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340 | else if (siHaveFBO==1) /*@todo more states to set and restore here*/
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341 | {
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342 | GLuint tID, fboID;
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343 | GLenum status;
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344 | CRContext *ctx = crStateGetCurrent();
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345 |
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346 | gl->GenTextures(1, &tID);
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347 | gl->BindTexture(target, tID);
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348 | gl->CopyTexImage2D(target, level, GL_RGBA, x, y, width, -height, 0);
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349 | gl->GenFramebuffersEXT(1, &fboID);
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350 | gl->BindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboID);
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351 | gl->FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, target,
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352 | ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->hwid, level);
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353 | status = gl->CheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
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354 | if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
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355 | {
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356 | crWarning("Framebuffer status 0x%x", status);
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357 | }
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358 |
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359 | gl->Enable(target);
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360 | gl->PushAttrib(GL_VIEWPORT_BIT);
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361 | gl->Viewport(xoffset, yoffset, width, -height);
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362 | gl->MatrixMode(GL_PROJECTION);
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363 | gl->PushMatrix();
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364 | gl->LoadIdentity();
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365 | gl->MatrixMode(GL_MODELVIEW);
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366 | gl->PushMatrix();
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367 | gl->LoadIdentity();
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368 |
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369 | gl->Disable(GL_DEPTH_TEST);
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370 | gl->Disable(GL_CULL_FACE);
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371 | gl->Disable(GL_STENCIL_TEST);
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372 | gl->Disable(GL_SCISSOR_TEST);
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373 |
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374 | gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
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375 | gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
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376 | gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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377 | gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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378 | gl->TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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379 |
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380 | gl->Begin(GL_QUADS);
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381 | gl->TexCoord2f(0.0f, 1.0f);
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382 | gl->Vertex2f(-1.0, -1.0);
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383 |
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384 | gl->TexCoord2f(0.0f, 0.0f);
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385 | gl->Vertex2f(-1.0f, 1.0f);
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386 |
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387 | gl->TexCoord2f(1.0f, 0.0f);
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388 | gl->Vertex2f(1.0f, 1.0f);
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389 |
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390 | gl->TexCoord2f(1.0f, 1.0f);
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391 | gl->Vertex2f(1.0f, -1.0f);
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392 | gl->End();
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393 |
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394 | gl->PopMatrix();
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395 | gl->MatrixMode(GL_PROJECTION);
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396 | gl->PopMatrix();
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397 | gl->PopAttrib();
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398 |
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399 | gl->FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, target, 0, level);
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400 | gl->BindFramebufferEXT(GL_FRAMEBUFFER_EXT, ctx->framebufferobject.drawFB ? ctx->framebufferobject.drawFB->hwid:0);
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401 | gl->BindTexture(target, ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->hwid);
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402 | gl->DeleteFramebuffersEXT(1, &fboID);
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403 | gl->DeleteTextures(1, &tID);
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404 |
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405 | #if 0
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406 | {
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407 | GLint dRow, sRow, w, h;
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408 | void *img1, *img2;
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409 |
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410 | w = ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->level[0][level].width;
|
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411 | h = ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->level[0][level].height;
|
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412 |
|
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413 | img1 = crAlloc(4*w*h);
|
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414 | img2 = crAlloc(4*w*h);
|
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415 | CRASSERT(img1 && img2);
|
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416 |
|
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417 | gl->GetTexImage(target, level, GL_BGRA, GL_UNSIGNED_BYTE, img1);
|
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418 |
|
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419 |
|
---|
420 | for (dRow=yoffset, sRow=y-height-1; dRow<yoffset-height; dRow++, sRow--)
|
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421 | {
|
---|
422 | gl->CopyTexSubImage2D(target, level, xoffset, dRow, x, sRow, width, 1);
|
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423 | }
|
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424 |
|
---|
425 | gl->GetTexImage(target, level, GL_BGRA, GL_UNSIGNED_BYTE, img2);
|
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426 |
|
---|
427 | if (crMemcmp(img1, img2, 4*w*h))
|
---|
428 | {
|
---|
429 | crDebug("MISMATCH! (%x, %i, ->%i,%i <-%i, %i [%ix%i])", target, level, xoffset, yoffset, x, y, width, height);
|
---|
430 | crDumpTGA(w, h, img1);
|
---|
431 | crDumpTGA(w, h, img2);
|
---|
432 | DebugBreak();
|
---|
433 | }
|
---|
434 | crFree(img1);
|
---|
435 | crFree(img2);
|
---|
436 | }
|
---|
437 | #endif
|
---|
438 | }
|
---|
439 | else
|
---|
440 | {
|
---|
441 | GLuint pboId, dRow, sRow;
|
---|
442 | CRContext *ctx = crStateGetCurrent();
|
---|
443 |
|
---|
444 | gl->GenBuffersARB(1, &pboId);
|
---|
445 | gl->BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, pboId);
|
---|
446 | gl->BufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, -width*height*4, 0, GL_STATIC_COPY_ARB);
|
---|
447 |
|
---|
448 | #if 1
|
---|
449 | gl->ReadPixels(x, y, width, -height, GL_RGBA, GL_UNSIGNED_BYTE, 0);
|
---|
450 | gl->BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, ctx->bufferobject.packBuffer->hwid);
|
---|
451 |
|
---|
452 | gl->BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pboId);
|
---|
453 | for (dRow=yoffset, sRow=-height-1; dRow<yoffset-height; dRow++, sRow--)
|
---|
454 | {
|
---|
455 | gl->TexSubImage2D(target, level, xoffset, dRow, width, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void*)((uintptr_t)sRow*width*4));
|
---|
456 | }
|
---|
457 | #else /*few times slower again*/
|
---|
458 | for (dRow=0, sRow=y-height-1; dRow<-height; dRow++, sRow--)
|
---|
459 | {
|
---|
460 | gl->ReadPixels(x, sRow, width, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void*)((uintptr_t)dRow*width*4));
|
---|
461 | }
|
---|
462 | gl->BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, ctx->bufferobject.packBuffer->hwid);
|
---|
463 |
|
---|
464 | gl->BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pboId);
|
---|
465 | gl->TexSubImage2D(target, level, xoffset, yoffset, width, -height, GL_RGBA, GL_UNSIGNED_BYTE, 0);
|
---|
466 | #endif
|
---|
467 |
|
---|
468 | gl->BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, ctx->bufferobject.unpackBuffer->hwid);
|
---|
469 | gl->DeleteBuffersARB(1, &pboId);
|
---|
470 | }
|
---|
471 | }
|
---|
472 | }
|
---|