1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "main/glheader.h"
30 #include "main/context.h"
31 #include "main/macros.h"
32 #include "main/enums.h"
33 #include "main/colormac.h"
36 #include "intel_screen.h"
37 #include "intel_context.h"
40 intel_translate_shadow_compare_func(GLenum func)
44 return COMPAREFUNC_ALWAYS;
46 return COMPAREFUNC_LEQUAL;
48 return COMPAREFUNC_LESS;
50 return COMPAREFUNC_GEQUAL;
52 return COMPAREFUNC_GREATER;
54 return COMPAREFUNC_EQUAL;
56 return COMPAREFUNC_NOTEQUAL;
58 return COMPAREFUNC_NEVER;
61 fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
62 return COMPAREFUNC_NEVER;
66 intel_translate_compare_func(GLenum func)
70 return COMPAREFUNC_NEVER;
72 return COMPAREFUNC_LESS;
74 return COMPAREFUNC_LEQUAL;
76 return COMPAREFUNC_GREATER;
78 return COMPAREFUNC_GEQUAL;
80 return COMPAREFUNC_NOTEQUAL;
82 return COMPAREFUNC_EQUAL;
84 return COMPAREFUNC_ALWAYS;
87 fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
88 return COMPAREFUNC_ALWAYS;
92 intel_translate_stencil_op(GLenum op)
96 return STENCILOP_KEEP;
98 return STENCILOP_ZERO;
100 return STENCILOP_REPLACE;
102 return STENCILOP_INCRSAT;
104 return STENCILOP_DECRSAT;
106 return STENCILOP_INCR;
108 return STENCILOP_DECR;
110 return STENCILOP_INVERT;
112 return STENCILOP_ZERO;
117 intel_translate_blend_factor(GLenum factor)
121 return BLENDFACT_ZERO;
123 return BLENDFACT_SRC_ALPHA;
125 return BLENDFACT_ONE;
127 return BLENDFACT_SRC_COLR;
128 case GL_ONE_MINUS_SRC_COLOR:
129 return BLENDFACT_INV_SRC_COLR;
131 return BLENDFACT_DST_COLR;
132 case GL_ONE_MINUS_DST_COLOR:
133 return BLENDFACT_INV_DST_COLR;
134 case GL_ONE_MINUS_SRC_ALPHA:
135 return BLENDFACT_INV_SRC_ALPHA;
137 return BLENDFACT_DST_ALPHA;
138 case GL_ONE_MINUS_DST_ALPHA:
139 return BLENDFACT_INV_DST_ALPHA;
140 case GL_SRC_ALPHA_SATURATE:
141 return BLENDFACT_SRC_ALPHA_SATURATE;
142 case GL_CONSTANT_COLOR:
143 return BLENDFACT_CONST_COLOR;
144 case GL_ONE_MINUS_CONSTANT_COLOR:
145 return BLENDFACT_INV_CONST_COLOR;
146 case GL_CONSTANT_ALPHA:
147 return BLENDFACT_CONST_ALPHA;
148 case GL_ONE_MINUS_CONSTANT_ALPHA:
149 return BLENDFACT_INV_CONST_ALPHA;
152 fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor);
153 return BLENDFACT_ZERO;
157 intel_translate_logic_op(GLenum opcode)
161 return LOGICOP_CLEAR;
165 return LOGICOP_AND_RVRSE;
168 case GL_COPY_INVERTED:
169 return LOGICOP_COPY_INV;
170 case GL_AND_INVERTED:
171 return LOGICOP_AND_INV;
179 return LOGICOP_OR_INV;
183 return LOGICOP_EQUIV;
187 return LOGICOP_OR_RVRSE;
197 /* Fallback to swrast for select and feedback.
200 intelRenderMode(struct gl_context *ctx, GLenum mode)
202 struct intel_context *intel = intel_context(ctx);
203 FALLBACK(intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER));
208 intelInitStateFuncs(struct dd_function_table *functions)
210 functions->RenderMode = intelRenderMode;