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5564 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2003 VMware, Inc. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | |||
29 | #include "main/glheader.h" |
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30 | #include "main/context.h" |
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31 | #include "main/macros.h" |
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32 | #include "main/enums.h" |
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33 | #include "main/colormac.h" |
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34 | #include "main/dd.h" |
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35 | |||
36 | #include "intel_screen.h" |
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37 | #include "intel_context.h" |
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38 | |||
39 | int |
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40 | intel_translate_shadow_compare_func(GLenum func) |
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41 | { |
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42 | switch (func) { |
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43 | case GL_NEVER: |
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44 | return COMPAREFUNC_ALWAYS; |
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45 | case GL_LESS: |
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46 | return COMPAREFUNC_LEQUAL; |
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47 | case GL_LEQUAL: |
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48 | return COMPAREFUNC_LESS; |
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49 | case GL_GREATER: |
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50 | return COMPAREFUNC_GEQUAL; |
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51 | case GL_GEQUAL: |
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52 | return COMPAREFUNC_GREATER; |
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53 | case GL_NOTEQUAL: |
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54 | return COMPAREFUNC_EQUAL; |
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55 | case GL_EQUAL: |
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56 | return COMPAREFUNC_NOTEQUAL; |
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57 | case GL_ALWAYS: |
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58 | return COMPAREFUNC_NEVER; |
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59 | } |
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60 | |||
61 | fprintf(stderr, "Unknown value in %s: %x\n", __func__, func); |
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62 | return COMPAREFUNC_NEVER; |
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63 | } |
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64 | |||
65 | int |
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66 | intel_translate_compare_func(GLenum func) |
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67 | { |
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68 | switch (func) { |
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69 | case GL_NEVER: |
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70 | return COMPAREFUNC_NEVER; |
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71 | case GL_LESS: |
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72 | return COMPAREFUNC_LESS; |
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73 | case GL_LEQUAL: |
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74 | return COMPAREFUNC_LEQUAL; |
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75 | case GL_GREATER: |
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76 | return COMPAREFUNC_GREATER; |
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77 | case GL_GEQUAL: |
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78 | return COMPAREFUNC_GEQUAL; |
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79 | case GL_NOTEQUAL: |
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80 | return COMPAREFUNC_NOTEQUAL; |
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81 | case GL_EQUAL: |
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82 | return COMPAREFUNC_EQUAL; |
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83 | case GL_ALWAYS: |
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84 | return COMPAREFUNC_ALWAYS; |
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85 | } |
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86 | |||
87 | fprintf(stderr, "Unknown value in %s: %x\n", __func__, func); |
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88 | return COMPAREFUNC_ALWAYS; |
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89 | } |
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90 | |||
91 | int |
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92 | intel_translate_stencil_op(GLenum op) |
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93 | { |
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94 | switch (op) { |
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95 | case GL_KEEP: |
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96 | return STENCILOP_KEEP; |
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97 | case GL_ZERO: |
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98 | return STENCILOP_ZERO; |
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99 | case GL_REPLACE: |
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100 | return STENCILOP_REPLACE; |
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101 | case GL_INCR: |
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102 | return STENCILOP_INCRSAT; |
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103 | case GL_DECR: |
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104 | return STENCILOP_DECRSAT; |
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105 | case GL_INCR_WRAP: |
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106 | return STENCILOP_INCR; |
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107 | case GL_DECR_WRAP: |
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108 | return STENCILOP_DECR; |
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109 | case GL_INVERT: |
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110 | return STENCILOP_INVERT; |
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111 | default: |
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112 | return STENCILOP_ZERO; |
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113 | } |
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114 | } |
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115 | |||
116 | int |
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117 | intel_translate_blend_factor(GLenum factor) |
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118 | { |
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119 | switch (factor) { |
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120 | case GL_ZERO: |
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121 | return BLENDFACT_ZERO; |
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122 | case GL_SRC_ALPHA: |
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123 | return BLENDFACT_SRC_ALPHA; |
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124 | case GL_ONE: |
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125 | return BLENDFACT_ONE; |
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126 | case GL_SRC_COLOR: |
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127 | return BLENDFACT_SRC_COLR; |
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128 | case GL_ONE_MINUS_SRC_COLOR: |
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129 | return BLENDFACT_INV_SRC_COLR; |
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130 | case GL_DST_COLOR: |
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131 | return BLENDFACT_DST_COLR; |
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132 | case GL_ONE_MINUS_DST_COLOR: |
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133 | return BLENDFACT_INV_DST_COLR; |
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134 | case GL_ONE_MINUS_SRC_ALPHA: |
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135 | return BLENDFACT_INV_SRC_ALPHA; |
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136 | case GL_DST_ALPHA: |
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137 | return BLENDFACT_DST_ALPHA; |
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138 | case GL_ONE_MINUS_DST_ALPHA: |
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139 | return BLENDFACT_INV_DST_ALPHA; |
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140 | case GL_SRC_ALPHA_SATURATE: |
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141 | return BLENDFACT_SRC_ALPHA_SATURATE; |
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142 | case GL_CONSTANT_COLOR: |
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143 | return BLENDFACT_CONST_COLOR; |
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144 | case GL_ONE_MINUS_CONSTANT_COLOR: |
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145 | return BLENDFACT_INV_CONST_COLOR; |
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146 | case GL_CONSTANT_ALPHA: |
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147 | return BLENDFACT_CONST_ALPHA; |
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148 | case GL_ONE_MINUS_CONSTANT_ALPHA: |
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149 | return BLENDFACT_INV_CONST_ALPHA; |
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150 | } |
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151 | |||
152 | fprintf(stderr, "Unknown value in %s: %x\n", __func__, factor); |
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153 | return BLENDFACT_ZERO; |
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154 | } |
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155 | |||
156 | int |
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157 | intel_translate_logic_op(GLenum opcode) |
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158 | { |
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159 | switch (opcode) { |
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160 | case GL_CLEAR: |
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161 | return LOGICOP_CLEAR; |
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162 | case GL_AND: |
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163 | return LOGICOP_AND; |
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164 | case GL_AND_REVERSE: |
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165 | return LOGICOP_AND_RVRSE; |
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166 | case GL_COPY: |
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167 | return LOGICOP_COPY; |
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168 | case GL_COPY_INVERTED: |
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169 | return LOGICOP_COPY_INV; |
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170 | case GL_AND_INVERTED: |
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171 | return LOGICOP_AND_INV; |
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172 | case GL_NOOP: |
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173 | return LOGICOP_NOOP; |
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174 | case GL_XOR: |
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175 | return LOGICOP_XOR; |
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176 | case GL_OR: |
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177 | return LOGICOP_OR; |
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178 | case GL_OR_INVERTED: |
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179 | return LOGICOP_OR_INV; |
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180 | case GL_NOR: |
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181 | return LOGICOP_NOR; |
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182 | case GL_EQUIV: |
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183 | return LOGICOP_EQUIV; |
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184 | case GL_INVERT: |
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185 | return LOGICOP_INV; |
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186 | case GL_OR_REVERSE: |
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187 | return LOGICOP_OR_RVRSE; |
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188 | case GL_NAND: |
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189 | return LOGICOP_NAND; |
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190 | case GL_SET: |
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191 | return LOGICOP_SET; |
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192 | default: |
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193 | return LOGICOP_SET; |
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194 | } |
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195 | } |