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1901 | serge | 1 | /* |
2 | * Mesa 3-D graphics library |
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3 | * Version: 6.5.3 |
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4 | * |
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5 | * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. |
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6 | * |
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7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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8 | * copy of this software and associated documentation files (the "Software"), |
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9 | * to deal in the Software without restriction, including without limitation |
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10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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11 | * and/or sell copies of the Software, and to permit persons to whom the |
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12 | * Software is furnished to do so, subject to the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice shall be included |
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15 | * in all copies or substantial portions of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | |||
26 | /** |
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27 | * \file rastpos.c |
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28 | * Raster position operations. |
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29 | */ |
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30 | |||
31 | #include "glheader.h" |
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32 | #include "context.h" |
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33 | #include "feedback.h" |
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34 | #include "macros.h" |
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35 | #include "rastpos.h" |
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36 | #include "state.h" |
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37 | #include "main/dispatch.h" |
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38 | |||
39 | |||
40 | #if FEATURE_rastpos |
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41 | |||
42 | |||
43 | /** |
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44 | * Helper function for all the RasterPos functions. |
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45 | */ |
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46 | static void |
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47 | rasterpos(GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
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48 | { |
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49 | GET_CURRENT_CONTEXT(ctx); |
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50 | GLfloat p[4]; |
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51 | |||
52 | p[0] = x; |
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53 | p[1] = y; |
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54 | p[2] = z; |
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55 | p[3] = w; |
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56 | |||
57 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
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58 | FLUSH_CURRENT(ctx, 0); |
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59 | |||
60 | if (ctx->NewState) |
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61 | _mesa_update_state( ctx ); |
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62 | |||
63 | ctx->Driver.RasterPos(ctx, p); |
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64 | } |
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65 | |||
66 | |||
67 | static void GLAPIENTRY |
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68 | _mesa_RasterPos2d(GLdouble x, GLdouble y) |
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69 | { |
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70 | rasterpos((GLfloat)x, (GLfloat)y, (GLfloat)0.0, (GLfloat)1.0); |
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71 | } |
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72 | |||
73 | static void GLAPIENTRY |
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74 | _mesa_RasterPos2f(GLfloat x, GLfloat y) |
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75 | { |
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76 | rasterpos(x, y, 0.0F, 1.0F); |
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77 | } |
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78 | |||
79 | static void GLAPIENTRY |
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80 | _mesa_RasterPos2i(GLint x, GLint y) |
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81 | { |
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82 | rasterpos((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); |
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83 | } |
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84 | |||
85 | static void GLAPIENTRY |
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86 | _mesa_RasterPos2s(GLshort x, GLshort y) |
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87 | { |
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88 | rasterpos(x, y, 0.0F, 1.0F); |
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89 | } |
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90 | |||
91 | static void GLAPIENTRY |
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92 | _mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z) |
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93 | { |
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94 | rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); |
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95 | } |
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96 | |||
97 | static void GLAPIENTRY |
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98 | _mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z) |
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99 | { |
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100 | rasterpos(x, y, z, 1.0F); |
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101 | } |
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102 | |||
103 | static void GLAPIENTRY |
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104 | _mesa_RasterPos3i(GLint x, GLint y, GLint z) |
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105 | { |
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106 | rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); |
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107 | } |
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108 | |||
109 | static void GLAPIENTRY |
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110 | _mesa_RasterPos3s(GLshort x, GLshort y, GLshort z) |
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111 | { |
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112 | rasterpos(x, y, z, 1.0F); |
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113 | } |
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114 | |||
115 | static void GLAPIENTRY |
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116 | _mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w) |
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117 | { |
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118 | rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); |
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119 | } |
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120 | |||
121 | static void GLAPIENTRY |
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122 | _mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
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123 | { |
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124 | rasterpos(x, y, z, w); |
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125 | } |
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126 | |||
127 | static void GLAPIENTRY |
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128 | _mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w) |
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129 | { |
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130 | rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); |
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131 | } |
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132 | |||
133 | static void GLAPIENTRY |
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134 | _mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w) |
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135 | { |
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136 | rasterpos(x, y, z, w); |
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137 | } |
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138 | |||
139 | static void GLAPIENTRY |
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140 | _mesa_RasterPos2dv(const GLdouble *v) |
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141 | { |
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142 | rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); |
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143 | } |
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144 | |||
145 | static void GLAPIENTRY |
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146 | _mesa_RasterPos2fv(const GLfloat *v) |
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147 | { |
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148 | rasterpos(v[0], v[1], 0.0F, 1.0F); |
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149 | } |
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150 | |||
151 | static void GLAPIENTRY |
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152 | _mesa_RasterPos2iv(const GLint *v) |
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153 | { |
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154 | rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); |
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155 | } |
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156 | |||
157 | static void GLAPIENTRY |
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158 | _mesa_RasterPos2sv(const GLshort *v) |
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159 | { |
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160 | rasterpos(v[0], v[1], 0.0F, 1.0F); |
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161 | } |
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162 | |||
163 | static void GLAPIENTRY |
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164 | _mesa_RasterPos3dv(const GLdouble *v) |
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165 | { |
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166 | rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); |
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167 | } |
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168 | |||
169 | static void GLAPIENTRY |
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170 | _mesa_RasterPos3fv(const GLfloat *v) |
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171 | { |
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172 | rasterpos(v[0], v[1], v[2], 1.0F); |
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173 | } |
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174 | |||
175 | static void GLAPIENTRY |
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176 | _mesa_RasterPos3iv(const GLint *v) |
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177 | { |
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178 | rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); |
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179 | } |
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180 | |||
181 | static void GLAPIENTRY |
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182 | _mesa_RasterPos3sv(const GLshort *v) |
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183 | { |
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184 | rasterpos(v[0], v[1], v[2], 1.0F); |
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185 | } |
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186 | |||
187 | static void GLAPIENTRY |
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188 | _mesa_RasterPos4dv(const GLdouble *v) |
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189 | { |
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190 | rasterpos((GLfloat) v[0], (GLfloat) v[1], |
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191 | (GLfloat) v[2], (GLfloat) v[3]); |
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192 | } |
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193 | |||
194 | static void GLAPIENTRY |
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195 | _mesa_RasterPos4fv(const GLfloat *v) |
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196 | { |
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197 | rasterpos(v[0], v[1], v[2], v[3]); |
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198 | } |
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199 | |||
200 | static void GLAPIENTRY |
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201 | _mesa_RasterPos4iv(const GLint *v) |
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202 | { |
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203 | rasterpos((GLfloat) v[0], (GLfloat) v[1], |
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204 | (GLfloat) v[2], (GLfloat) v[3]); |
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205 | } |
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206 | |||
207 | static void GLAPIENTRY |
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208 | _mesa_RasterPos4sv(const GLshort *v) |
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209 | { |
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210 | rasterpos(v[0], v[1], v[2], v[3]); |
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211 | } |
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212 | |||
213 | |||
214 | /**********************************************************************/ |
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215 | /*** GL_ARB_window_pos / GL_MESA_window_pos ***/ |
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216 | /**********************************************************************/ |
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217 | |||
218 | |||
219 | /** |
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220 | * All glWindowPosMESA and glWindowPosARB commands call this function to |
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221 | * update the current raster position. |
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222 | */ |
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223 | static void |
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224 | window_pos3f(GLfloat x, GLfloat y, GLfloat z) |
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225 | { |
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226 | GET_CURRENT_CONTEXT(ctx); |
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227 | GLfloat z2; |
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228 | |||
229 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
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230 | FLUSH_CURRENT(ctx, 0); |
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231 | |||
232 | z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near) |
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233 | + ctx->Viewport.Near; |
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234 | |||
235 | /* set raster position */ |
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236 | ctx->Current.RasterPos[0] = x; |
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237 | ctx->Current.RasterPos[1] = y; |
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238 | ctx->Current.RasterPos[2] = z2; |
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239 | ctx->Current.RasterPos[3] = 1.0F; |
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240 | |||
241 | ctx->Current.RasterPosValid = GL_TRUE; |
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242 | |||
243 | if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) |
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244 | ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; |
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245 | else |
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246 | ctx->Current.RasterDistance = 0.0; |
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247 | |||
248 | /* raster color = current color or index */ |
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249 | ctx->Current.RasterColor[0] |
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250 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F); |
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251 | ctx->Current.RasterColor[1] |
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252 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F); |
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253 | ctx->Current.RasterColor[2] |
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254 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F); |
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255 | ctx->Current.RasterColor[3] |
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256 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F); |
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257 | ctx->Current.RasterSecondaryColor[0] |
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258 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F); |
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259 | ctx->Current.RasterSecondaryColor[1] |
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260 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F); |
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261 | ctx->Current.RasterSecondaryColor[2] |
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262 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F); |
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263 | ctx->Current.RasterSecondaryColor[3] |
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264 | = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F); |
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265 | |||
266 | /* raster texcoord = current texcoord */ |
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267 | { |
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268 | GLuint texSet; |
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269 | for (texSet = 0; texSet < ctx->Const.MaxTextureCoordUnits; texSet++) { |
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270 | assert(texSet < Elements(ctx->Current.RasterTexCoords)); |
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271 | COPY_4FV( ctx->Current.RasterTexCoords[texSet], |
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272 | ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] ); |
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273 | } |
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274 | } |
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275 | |||
276 | if (ctx->RenderMode==GL_SELECT) { |
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277 | _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); |
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278 | } |
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279 | } |
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280 | |||
281 | |||
282 | /* This is just to support the GL_MESA_window_pos version */ |
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283 | static void |
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284 | window_pos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
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285 | { |
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286 | GET_CURRENT_CONTEXT(ctx); |
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287 | window_pos3f(x, y, z); |
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288 | ctx->Current.RasterPos[3] = w; |
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289 | } |
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290 | |||
291 | |||
292 | static void GLAPIENTRY |
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293 | _mesa_WindowPos2dMESA(GLdouble x, GLdouble y) |
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294 | { |
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295 | window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); |
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296 | } |
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297 | |||
298 | static void GLAPIENTRY |
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299 | _mesa_WindowPos2fMESA(GLfloat x, GLfloat y) |
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300 | { |
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301 | window_pos4f(x, y, 0.0F, 1.0F); |
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302 | } |
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303 | |||
304 | static void GLAPIENTRY |
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305 | _mesa_WindowPos2iMESA(GLint x, GLint y) |
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306 | { |
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307 | window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); |
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308 | } |
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309 | |||
310 | static void GLAPIENTRY |
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311 | _mesa_WindowPos2sMESA(GLshort x, GLshort y) |
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312 | { |
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313 | window_pos4f(x, y, 0.0F, 1.0F); |
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314 | } |
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315 | |||
316 | static void GLAPIENTRY |
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317 | _mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z) |
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318 | { |
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319 | window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); |
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320 | } |
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321 | |||
322 | static void GLAPIENTRY |
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323 | _mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z) |
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324 | { |
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325 | window_pos4f(x, y, z, 1.0F); |
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326 | } |
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327 | |||
328 | static void GLAPIENTRY |
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329 | _mesa_WindowPos3iMESA(GLint x, GLint y, GLint z) |
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330 | { |
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331 | window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); |
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332 | } |
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333 | |||
334 | static void GLAPIENTRY |
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335 | _mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z) |
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336 | { |
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337 | window_pos4f(x, y, z, 1.0F); |
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338 | } |
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339 | |||
340 | static void GLAPIENTRY |
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341 | _mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w) |
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342 | { |
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343 | window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); |
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344 | } |
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345 | |||
346 | static void GLAPIENTRY |
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347 | _mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
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348 | { |
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349 | window_pos4f(x, y, z, w); |
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350 | } |
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351 | |||
352 | static void GLAPIENTRY |
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353 | _mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w) |
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354 | { |
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355 | window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); |
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356 | } |
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357 | |||
358 | static void GLAPIENTRY |
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359 | _mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w) |
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360 | { |
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361 | window_pos4f(x, y, z, w); |
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362 | } |
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363 | |||
364 | static void GLAPIENTRY |
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365 | _mesa_WindowPos2dvMESA(const GLdouble *v) |
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366 | { |
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367 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); |
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368 | } |
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369 | |||
370 | static void GLAPIENTRY |
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371 | _mesa_WindowPos2fvMESA(const GLfloat *v) |
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372 | { |
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373 | window_pos4f(v[0], v[1], 0.0F, 1.0F); |
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374 | } |
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375 | |||
376 | static void GLAPIENTRY |
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377 | _mesa_WindowPos2ivMESA(const GLint *v) |
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378 | { |
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379 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); |
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380 | } |
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381 | |||
382 | static void GLAPIENTRY |
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383 | _mesa_WindowPos2svMESA(const GLshort *v) |
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384 | { |
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385 | window_pos4f(v[0], v[1], 0.0F, 1.0F); |
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386 | } |
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387 | |||
388 | static void GLAPIENTRY |
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389 | _mesa_WindowPos3dvMESA(const GLdouble *v) |
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390 | { |
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391 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); |
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392 | } |
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393 | |||
394 | static void GLAPIENTRY |
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395 | _mesa_WindowPos3fvMESA(const GLfloat *v) |
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396 | { |
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397 | window_pos4f(v[0], v[1], v[2], 1.0); |
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398 | } |
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399 | |||
400 | static void GLAPIENTRY |
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401 | _mesa_WindowPos3ivMESA(const GLint *v) |
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402 | { |
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403 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); |
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404 | } |
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405 | |||
406 | static void GLAPIENTRY |
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407 | _mesa_WindowPos3svMESA(const GLshort *v) |
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408 | { |
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409 | window_pos4f(v[0], v[1], v[2], 1.0F); |
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410 | } |
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411 | |||
412 | static void GLAPIENTRY |
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413 | _mesa_WindowPos4dvMESA(const GLdouble *v) |
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414 | { |
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415 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], |
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416 | (GLfloat) v[2], (GLfloat) v[3]); |
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417 | } |
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418 | |||
419 | static void GLAPIENTRY |
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420 | _mesa_WindowPos4fvMESA(const GLfloat *v) |
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421 | { |
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422 | window_pos4f(v[0], v[1], v[2], v[3]); |
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423 | } |
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424 | |||
425 | static void GLAPIENTRY |
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426 | _mesa_WindowPos4ivMESA(const GLint *v) |
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427 | { |
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428 | window_pos4f((GLfloat) v[0], (GLfloat) v[1], |
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429 | (GLfloat) v[2], (GLfloat) v[3]); |
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430 | } |
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431 | |||
432 | static void GLAPIENTRY |
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433 | _mesa_WindowPos4svMESA(const GLshort *v) |
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434 | { |
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435 | window_pos4f(v[0], v[1], v[2], v[3]); |
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436 | } |
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437 | |||
438 | |||
439 | #if 0 |
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440 | |||
441 | /* |
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442 | * OpenGL implementation of glWindowPos*MESA() |
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443 | */ |
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444 | void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) |
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445 | { |
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446 | GLfloat fx, fy; |
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447 | |||
448 | /* Push current matrix mode and viewport attributes */ |
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449 | glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT ); |
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450 | |||
451 | /* Setup projection parameters */ |
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452 | glMatrixMode( GL_PROJECTION ); |
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453 | glPushMatrix(); |
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454 | glLoadIdentity(); |
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455 | glMatrixMode( GL_MODELVIEW ); |
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456 | glPushMatrix(); |
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457 | glLoadIdentity(); |
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458 | |||
459 | glDepthRange( z, z ); |
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460 | glViewport( (int) x - 1, (int) y - 1, 2, 2 ); |
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461 | |||
462 | /* set the raster (window) position */ |
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463 | fx = x - (int) x; |
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464 | fy = y - (int) y; |
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465 | glRasterPos4f( fx, fy, 0.0, w ); |
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466 | |||
467 | /* restore matrices, viewport and matrix mode */ |
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468 | glPopMatrix(); |
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469 | glMatrixMode( GL_PROJECTION ); |
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470 | glPopMatrix(); |
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471 | |||
472 | glPopAttrib(); |
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473 | } |
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474 | |||
475 | #endif |
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476 | |||
477 | |||
478 | void |
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479 | _mesa_init_rastpos_dispatch(struct _glapi_table *disp) |
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480 | { |
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481 | SET_RasterPos2f(disp, _mesa_RasterPos2f); |
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482 | SET_RasterPos2fv(disp, _mesa_RasterPos2fv); |
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483 | SET_RasterPos2i(disp, _mesa_RasterPos2i); |
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484 | SET_RasterPos2iv(disp, _mesa_RasterPos2iv); |
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485 | SET_RasterPos2d(disp, _mesa_RasterPos2d); |
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486 | SET_RasterPos2dv(disp, _mesa_RasterPos2dv); |
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487 | SET_RasterPos2s(disp, _mesa_RasterPos2s); |
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488 | SET_RasterPos2sv(disp, _mesa_RasterPos2sv); |
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489 | SET_RasterPos3d(disp, _mesa_RasterPos3d); |
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490 | SET_RasterPos3dv(disp, _mesa_RasterPos3dv); |
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491 | SET_RasterPos3f(disp, _mesa_RasterPos3f); |
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492 | SET_RasterPos3fv(disp, _mesa_RasterPos3fv); |
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493 | SET_RasterPos3i(disp, _mesa_RasterPos3i); |
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494 | SET_RasterPos3iv(disp, _mesa_RasterPos3iv); |
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495 | SET_RasterPos3s(disp, _mesa_RasterPos3s); |
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496 | SET_RasterPos3sv(disp, _mesa_RasterPos3sv); |
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497 | SET_RasterPos4d(disp, _mesa_RasterPos4d); |
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498 | SET_RasterPos4dv(disp, _mesa_RasterPos4dv); |
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499 | SET_RasterPos4f(disp, _mesa_RasterPos4f); |
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500 | SET_RasterPos4fv(disp, _mesa_RasterPos4fv); |
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501 | SET_RasterPos4i(disp, _mesa_RasterPos4i); |
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502 | SET_RasterPos4iv(disp, _mesa_RasterPos4iv); |
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503 | SET_RasterPos4s(disp, _mesa_RasterPos4s); |
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504 | SET_RasterPos4sv(disp, _mesa_RasterPos4sv); |
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505 | |||
506 | /* 197. GL_MESA_window_pos */ |
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507 | SET_WindowPos2dMESA(disp, _mesa_WindowPos2dMESA); |
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508 | SET_WindowPos2dvMESA(disp, _mesa_WindowPos2dvMESA); |
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509 | SET_WindowPos2fMESA(disp, _mesa_WindowPos2fMESA); |
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510 | SET_WindowPos2fvMESA(disp, _mesa_WindowPos2fvMESA); |
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511 | SET_WindowPos2iMESA(disp, _mesa_WindowPos2iMESA); |
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512 | SET_WindowPos2ivMESA(disp, _mesa_WindowPos2ivMESA); |
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513 | SET_WindowPos2sMESA(disp, _mesa_WindowPos2sMESA); |
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514 | SET_WindowPos2svMESA(disp, _mesa_WindowPos2svMESA); |
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515 | SET_WindowPos3dMESA(disp, _mesa_WindowPos3dMESA); |
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516 | SET_WindowPos3dvMESA(disp, _mesa_WindowPos3dvMESA); |
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517 | SET_WindowPos3fMESA(disp, _mesa_WindowPos3fMESA); |
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518 | SET_WindowPos3fvMESA(disp, _mesa_WindowPos3fvMESA); |
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519 | SET_WindowPos3iMESA(disp, _mesa_WindowPos3iMESA); |
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520 | SET_WindowPos3ivMESA(disp, _mesa_WindowPos3ivMESA); |
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521 | SET_WindowPos3sMESA(disp, _mesa_WindowPos3sMESA); |
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522 | SET_WindowPos3svMESA(disp, _mesa_WindowPos3svMESA); |
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523 | SET_WindowPos4dMESA(disp, _mesa_WindowPos4dMESA); |
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524 | SET_WindowPos4dvMESA(disp, _mesa_WindowPos4dvMESA); |
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525 | SET_WindowPos4fMESA(disp, _mesa_WindowPos4fMESA); |
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526 | SET_WindowPos4fvMESA(disp, _mesa_WindowPos4fvMESA); |
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527 | SET_WindowPos4iMESA(disp, _mesa_WindowPos4iMESA); |
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528 | SET_WindowPos4ivMESA(disp, _mesa_WindowPos4ivMESA); |
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529 | SET_WindowPos4sMESA(disp, _mesa_WindowPos4sMESA); |
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530 | SET_WindowPos4svMESA(disp, _mesa_WindowPos4svMESA); |
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531 | } |
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532 | |||
533 | |||
534 | #endif /* FEATURE_rastpos */ |
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535 | |||
536 | |||
537 | /**********************************************************************/ |
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538 | /** \name Initialization */ |
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539 | /**********************************************************************/ |
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540 | /*@{*/ |
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541 | |||
542 | /** |
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543 | * Initialize the context current raster position information. |
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544 | * |
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545 | * \param ctx GL context. |
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546 | * |
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547 | * Initialize the current raster position information in |
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548 | * __struct gl_contextRec::Current, and adds the extension entry points to the |
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549 | * dispatcher. |
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550 | */ |
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551 | void _mesa_init_rastpos( struct gl_context * ctx ) |
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552 | { |
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553 | int i; |
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554 | |||
555 | ASSIGN_4V( ctx->Current.RasterPos, 0.0, 0.0, 0.0, 1.0 ); |
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556 | ctx->Current.RasterDistance = 0.0; |
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557 | ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 ); |
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558 | ASSIGN_4V( ctx->Current.RasterSecondaryColor, 0.0, 0.0, 0.0, 1.0 ); |
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559 | for (i = 0; i < Elements(ctx->Current.RasterTexCoords); i++) |
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560 | ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 ); |
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561 | ctx->Current.RasterPosValid = GL_TRUE; |
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562 | } |
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563 | |||
564 | /*@}*/>>> |