1/**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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 VMWARE 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.
25 *
26 **************************************************************************/
27
28
29#include "main/glheader.h"
30#include "main/context.h"
31#include "main/macros.h"
32#include "main/enums.h"
33#include "main/dd.h"
34
35#include "intel_screen.h"
36#include "intel_context.h"
37
38int
39intel_translate_shadow_compare_func(GLenum func)
40{
41   switch (func) {
42   case GL_NEVER:
43       return COMPAREFUNC_ALWAYS;
44   case GL_LESS:
45       return COMPAREFUNC_LEQUAL;
46   case GL_LEQUAL:
47       return COMPAREFUNC_LESS;
48   case GL_GREATER:
49       return COMPAREFUNC_GEQUAL;
50   case GL_GEQUAL:
51      return COMPAREFUNC_GREATER;
52   case GL_NOTEQUAL:
53      return COMPAREFUNC_EQUAL;
54   case GL_EQUAL:
55      return COMPAREFUNC_NOTEQUAL;
56   case GL_ALWAYS:
57       return COMPAREFUNC_NEVER;
58   }
59
60   fprintf(stderr, "Unknown value in %s: %x\n", __func__, func);
61   return COMPAREFUNC_NEVER;
62}
63
64int
65intel_translate_compare_func(GLenum func)
66{
67   switch (func) {
68   case GL_NEVER:
69      return COMPAREFUNC_NEVER;
70   case GL_LESS:
71      return COMPAREFUNC_LESS;
72   case GL_LEQUAL:
73      return COMPAREFUNC_LEQUAL;
74   case GL_GREATER:
75      return COMPAREFUNC_GREATER;
76   case GL_GEQUAL:
77      return COMPAREFUNC_GEQUAL;
78   case GL_NOTEQUAL:
79      return COMPAREFUNC_NOTEQUAL;
80   case GL_EQUAL:
81      return COMPAREFUNC_EQUAL;
82   case GL_ALWAYS:
83      return COMPAREFUNC_ALWAYS;
84   }
85
86   fprintf(stderr, "Unknown value in %s: %x\n", __func__, func);
87   return COMPAREFUNC_ALWAYS;
88}
89
90int
91intel_translate_stencil_op(GLenum op)
92{
93   switch (op) {
94   case GL_KEEP:
95      return STENCILOP_KEEP;
96   case GL_ZERO:
97      return STENCILOP_ZERO;
98   case GL_REPLACE:
99      return STENCILOP_REPLACE;
100   case GL_INCR:
101      return STENCILOP_INCRSAT;
102   case GL_DECR:
103      return STENCILOP_DECRSAT;
104   case GL_INCR_WRAP:
105      return STENCILOP_INCR;
106   case GL_DECR_WRAP:
107      return STENCILOP_DECR;
108   case GL_INVERT:
109      return STENCILOP_INVERT;
110   default:
111      return STENCILOP_ZERO;
112   }
113}
114
115int
116intel_translate_blend_factor(GLenum factor)
117{
118   switch (factor) {
119   case GL_ZERO:
120      return BLENDFACT_ZERO;
121   case GL_SRC_ALPHA:
122      return BLENDFACT_SRC_ALPHA;
123   case GL_ONE:
124      return BLENDFACT_ONE;
125   case GL_SRC_COLOR:
126      return BLENDFACT_SRC_COLR;
127   case GL_ONE_MINUS_SRC_COLOR:
128      return BLENDFACT_INV_SRC_COLR;
129   case GL_DST_COLOR:
130      return BLENDFACT_DST_COLR;
131   case GL_ONE_MINUS_DST_COLOR:
132      return BLENDFACT_INV_DST_COLR;
133   case GL_ONE_MINUS_SRC_ALPHA:
134      return BLENDFACT_INV_SRC_ALPHA;
135   case GL_DST_ALPHA:
136      return BLENDFACT_DST_ALPHA;
137   case GL_ONE_MINUS_DST_ALPHA:
138      return BLENDFACT_INV_DST_ALPHA;
139   case GL_SRC_ALPHA_SATURATE:
140      return BLENDFACT_SRC_ALPHA_SATURATE;
141   case GL_CONSTANT_COLOR:
142      return BLENDFACT_CONST_COLOR;
143   case GL_ONE_MINUS_CONSTANT_COLOR:
144      return BLENDFACT_INV_CONST_COLOR;
145   case GL_CONSTANT_ALPHA:
146      return BLENDFACT_CONST_ALPHA;
147   case GL_ONE_MINUS_CONSTANT_ALPHA:
148      return BLENDFACT_INV_CONST_ALPHA;
149   }
150
151   fprintf(stderr, "Unknown value in %s: %x\n", __func__, factor);
152   return BLENDFACT_ZERO;
153}
154
155int
156intel_translate_logic_op(GLenum opcode)
157{
158   switch (opcode) {
159   case GL_CLEAR:
160      return LOGICOP_CLEAR;
161   case GL_AND:
162      return LOGICOP_AND;
163   case GL_AND_REVERSE:
164      return LOGICOP_AND_RVRSE;
165   case GL_COPY:
166      return LOGICOP_COPY;
167   case GL_COPY_INVERTED:
168      return LOGICOP_COPY_INV;
169   case GL_AND_INVERTED:
170      return LOGICOP_AND_INV;
171   case GL_NOOP:
172      return LOGICOP_NOOP;
173   case GL_XOR:
174      return LOGICOP_XOR;
175   case GL_OR:
176      return LOGICOP_OR;
177   case GL_OR_INVERTED:
178      return LOGICOP_OR_INV;
179   case GL_NOR:
180      return LOGICOP_NOR;
181   case GL_EQUIV:
182      return LOGICOP_EQUIV;
183   case GL_INVERT:
184      return LOGICOP_INV;
185   case GL_OR_REVERSE:
186      return LOGICOP_OR_RVRSE;
187   case GL_NAND:
188      return LOGICOP_NAND;
189   case GL_SET:
190      return LOGICOP_SET;
191   default:
192      return LOGICOP_SET;
193   }
194}
195