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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
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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 TUNGSTEN GRAPHICS 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", __FUNCTION__, 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", __FUNCTION__, 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", __FUNCTION__, 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 | } |