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1901 | serge | 1 | |
2 | * Mesa 3-D graphics library |
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3 | * Version: 3.5 |
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4 | * |
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5 | * Copyright (C) 1999-2001 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 | * Authors: |
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25 | * Keith Whitwell |
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26 | */ |
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27 | |||
28 | |||
29 | * as defined in t_dd_vertex.h. |
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30 | * |
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31 | * See t_dd_vbtmp.h for definitions of arguments to this file. |
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32 | * Unfortunately it seems necessary to duplicate a lot of that code. |
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33 | */ |
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34 | |||
35 | |||
36 | #define LOCALVARS |
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37 | #endif |
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38 | |||
39 | |||
40 | |||
41 | |||
42 | */ |
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43 | static void TAG(emit_vfmt)( struct gl_context *ctx, VERTEX *v ) |
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44 | { |
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45 | LOCALVARS |
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46 | ; |
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47 | |||
48 | |||
49 | */ |
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50 | if (DO_TEX0 || DO_TEX1 || !HAVE_TINY_VERTICES) |
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51 | { |
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52 | const GLubyte *col = GET_HARDWARE_COLOR(); |
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53 | if (HAVE_RGBA_COLOR) { |
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54 | v->v.ui[4] = *(GLuint *)&col; |
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55 | } else { |
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56 | v->v.color.blue = col[2]; |
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57 | v->v.color.green = col[1]; |
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58 | v->v.color.red = col[0]; |
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59 | v->v.color.alpha = col[3]; |
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60 | } |
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61 | } |
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62 | else { |
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63 | if (HAVE_RGBA_COLOR) { |
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64 | v->v.ui[3] = *(GLuint *)col; |
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65 | } |
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66 | else { |
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67 | v->tv.color.blue = col[2]; |
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68 | v->tv.color.green = col[1]; |
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69 | v->tv.color.red = col[0]; |
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70 | v->tv.color.alpha = col[3]; |
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71 | } |
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72 | } |
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73 | |||
74 | |||
75 | GLfloat *tc = ctx->Current.Texture[0]; |
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76 | v->v.u0 = tc[0]; |
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77 | v->v.v0 = tc[1]; |
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78 | if (DO_PTEX) { |
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79 | if (HAVE_PTEX_VERTICES) { |
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80 | v->pv.q0 = tc[3]; |
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81 | } |
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82 | else { |
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83 | float rhw = 1.0 / tc[3]; |
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84 | v->v.w *= tc[3]; |
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85 | v->v.u0 *= rhw; |
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86 | v->v.v0 *= rhw; |
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87 | } |
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88 | } |
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89 | } |
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90 | if (DO_TEX1) { |
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91 | GLfloat *tc = ctx->Current.Texture[1]; |
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92 | if (DO_PTEX) { |
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93 | v->pv.u1 = tc[0]; |
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94 | v->pv.v1 = tc[1]; |
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95 | v->pv.q1 = tc[3]; |
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96 | } |
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97 | else { |
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98 | v->v.u1 = tc[0]; |
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99 | v->v.v1 = tc[1]; |
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100 | } |
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101 | } |
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102 | else if (DO_PTEX) { |
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103 | *(GLuint *)&v->pv.q1 = 0; /* avoid culling on radeon */ |
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104 | } |
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105 | if (DO_TEX2) { |
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106 | GLfloat *tc = ctx->Current.Texture[2]; |
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107 | if (DO_PTEX) { |
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108 | v->pv.u2 = tc[0]; |
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109 | v->pv.v2 = tc[1]; |
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110 | v->pv.q2 = tc[3]; |
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111 | } |
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112 | else { |
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113 | v->v.u2 = tc[0]; |
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114 | v->v.v2 = tc[1]; |
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115 | } |
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116 | } |
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117 | if (DO_TEX3) { |
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118 | GLfloat *tc = ctx->Current.Texture[3]; |
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119 | if (DO_PTEX) { |
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120 | v->pv.u3 = tc[0]; |
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121 | v->pv.v3 = tc[1]; |
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122 | v->pv.q3 = tc[3]; |
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123 | } |
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124 | else { |
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125 | v->v.u3 = tc[0]; |
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126 | v->v.v3 = tc[1]; |
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127 | } |
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128 | } |
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129 | } |
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130 | |||
131 | |||
132 | |||
133 | |||
134 | |||
135 | GLfloat t, |
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136 | TNL_VERTEX *dst, |
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137 | TNL_VERTEX *in, |
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138 | TNL_VERTEX *out ) |
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139 | { |
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140 | LOCALVARS |
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141 | const GLfloat *s = GET_VIEWPORT_MAT(); |
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142 | GLfloat w; |
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143 | |||
144 | |||
145 | |||
146 | |||
147 | VIEWPORT_X( dst->v.v.x, dst->clip[0] ); |
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148 | VIEWPORT_Y( dst->v.v.y, dst->clip[1] ); |
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149 | VIEWPORT_Z( dst->v.v.z, dst->clip[2] ); |
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150 | w = dstclip[3]; |
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151 | } |
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152 | else { |
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153 | w = 1.0 / dst->clip[3]; |
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154 | VIEWPORT_X( dst->v.v.x, dst->clip[0] * w ); |
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155 | VIEWPORT_Y( dst->v.v.y, dst->clip[1] * w ); |
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156 | VIEWPORT_Z( dst->v.v.z, dst->clip[2] * w ); |
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157 | } |
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158 | |||
159 | |||
160 | |||
161 | |||
162 | |||
163 | |||
164 | INTERP_UB( t, dst->v.ub4[4][1], out->v.ub4[4][1], in->v.ub4[4][1] ); |
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165 | INTERP_UB( t, dst->v.ub4[4][2], out->v.ub4[4][2], in->v.ub4[4][2] ); |
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166 | INTERP_UB( t, dst->v.ub4[4][3], out->v.ub4[4][3], in->v.ub4[4][3] ); |
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167 | |||
168 | |||
169 | if (DO_PTEX) { |
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170 | if (HAVE_PTEX_VERTICES) { |
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171 | INTERP_F( t, dst->v.pv.u0, out->v.pv.u0, in->v.pv.u0 ); |
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172 | INTERP_F( t, dst->v.pv.v0, out->v.pv.v0, in->v.pv.v0 ); |
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173 | INTERP_F( t, dst->v.pv.q0, out->v.pv.q0, in->v.pv.q0 ); |
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174 | } else { |
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175 | GLfloat wout = out->clip[3]; /* projected clip */ |
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176 | GLfloat win = in->clip[3]; /* projected clip */ |
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177 | GLfloat qout = out->v.pv.w / wout; |
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178 | GLfloat qin = in->v.pv.w / win; |
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179 | GLfloat qdst, rqdst; |
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180 | |||
181 | |||
182 | |||
183 | |||
184 | INTERP_F( t, dst->v.v.v0, out->v.v.v0 * qout, in->v.v.v0 * qin ); |
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185 | INTERP_F( t, qdst, qout, qin ); |
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186 | |||
187 | |||
188 | dst->v.v.u0 *= rqdst; |
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189 | dst->v.v.v0 *= rqdst; |
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190 | dst->v.v.w *= rqdst; |
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191 | } |
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192 | } |
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193 | else { |
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194 | INTERP_F( t, dst->v.v.u0, out->v.v.u0, in->v.v.u0 ); |
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195 | INTERP_F( t, dst->v.v.v0, out->v.v.v0, in->v.v.v0 ); |
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196 | } |
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197 | } |
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198 | if (DO_TEX1) { |
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199 | if (DO_PTEX) { |
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200 | INTERP_F( t, dst->v.pv.u1, out->v.pv.u1, in->v.pv.u1 ); |
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201 | INTERP_F( t, dst->v.pv.v1, out->v.pv.v1, in->v.pv.v1 ); |
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202 | INTERP_F( t, dst->v.pv.q1, out->v.pv.q1, in->v.pv.q1 ); |
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203 | } else { |
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204 | INTERP_F( t, dst->v.v.u1, out->v.v.u1, in->v.v.u1 ); |
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205 | INTERP_F( t, dst->v.v.v1, out->v.v.v1, in->v.v.v1 ); |
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206 | } |
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207 | } |
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208 | else if (DO_PTEX) { |
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209 | dst->v.pv.q0 = 0.0; /* must be a valid float on radeon */ |
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210 | } |
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211 | if (DO_TEX2) { |
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212 | if (DO_PTEX) { |
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213 | INTERP_F( t, dst->v.pv.u2, out->v.pv.u2, in->v.pv.u2 ); |
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214 | INTERP_F( t, dst->v.pv.v2, out->v.pv.v2, in->v.pv.v2 ); |
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215 | INTERP_F( t, dst->v.pv.q2, out->v.pv.q2, in->v.pv.q2 ); |
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216 | } else { |
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217 | INTERP_F( t, dst->v.v.u2, out->v.v.u2, in->v.v.u2 ); |
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218 | INTERP_F( t, dst->v.v.v2, out->v.v.v2, in->v.v.v2 ); |
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219 | } |
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220 | } |
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221 | if (DO_TEX3) { |
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222 | if (DO_PTEX) { |
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223 | INTERP_F( t, dst->v.pv.u3, out->v.pv.u3, in->v.pv.u3 ); |
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224 | INTERP_F( t, dst->v.pv.v3, out->v.pv.v3, in->v.pv.v3 ); |
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225 | INTERP_F( t, dst->v.pv.q3, out->v.pv.q3, in->v.pv.q3 ); |
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226 | } else { |
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227 | INTERP_F( t, dst->v.v.u3, out->v.v.u3, in->v.v.u3 ); |
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228 | INTERP_F( t, dst->v.v.v3, out->v.v.v3, in->v.v.v3 ); |
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229 | } |
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230 | } |
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231 | } else { |
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232 | /* 4-dword vertex. Color is in v[3] and there is no oow coordinate. |
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233 | */ |
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234 | INTERP_UB( t, dst->v.ub4[3][0], out->v.ub4[3][0], in->v.ub4[3][0] ); |
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235 | INTERP_UB( t, dst->v.ub4[3][1], out->v.ub4[3][1], in->v.ub4[3][1] ); |
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236 | INTERP_UB( t, dst->v.ub4[3][2], out->v.ub4[3][2], in->v.ub4[3][2] ); |
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237 | INTERP_UB( t, dst->v.ub4[3][3], out->v.ub4[3][3], in->v.ub4[3][3] ); |
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238 | } |
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239 | } |
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240 | |||
241 | |||
242 | |||
243 | TNL_VERTEX *dst, |
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244 | TNL_VERTEX *src ) |
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245 | { |
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246 | if (DO_TEX0 || DO_TEX1 || !HAVE_TINY_VERTICES) { |
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247 | dst->v.v.ui[4] = src->v.v.ui[4]; |
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248 | } |
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249 | else { |
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250 | dst->v.v.ui[3] = src->v.v.ui[3]; |
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251 | } |
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252 | } |
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253 | |||
254 | |||
255 | |||
256 | |||
257 | { |
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258 | setup_tab[IND].emit = TAG(emit_vfmt); |
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259 | setup_tab[IND].interp = TAG(interp_vfmt); |
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260 | } |
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261 | |||
262 | |||
263 | |||
264 | #undef TAG |
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265 |