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 "brw_context.h"
38 #include "brw_defines.h"
41 intel_translate_shadow_compare_func(GLenum func
)
45 return BRW_COMPAREFUNCTION_ALWAYS
;
47 return BRW_COMPAREFUNCTION_LEQUAL
;
49 return BRW_COMPAREFUNCTION_LESS
;
51 return BRW_COMPAREFUNCTION_GEQUAL
;
53 return BRW_COMPAREFUNCTION_GREATER
;
55 return BRW_COMPAREFUNCTION_EQUAL
;
57 return BRW_COMPAREFUNCTION_NOTEQUAL
;
59 return BRW_COMPAREFUNCTION_NEVER
;
62 assert(!"Invalid shadow comparison function.");
63 return BRW_COMPAREFUNCTION_NEVER
;
67 intel_translate_compare_func(GLenum func
)
71 return BRW_COMPAREFUNCTION_NEVER
;
73 return BRW_COMPAREFUNCTION_LESS
;
75 return BRW_COMPAREFUNCTION_LEQUAL
;
77 return BRW_COMPAREFUNCTION_GREATER
;
79 return BRW_COMPAREFUNCTION_GEQUAL
;
81 return BRW_COMPAREFUNCTION_NOTEQUAL
;
83 return BRW_COMPAREFUNCTION_EQUAL
;
85 return BRW_COMPAREFUNCTION_ALWAYS
;
88 assert(!"Invalid comparison function.");
89 return BRW_COMPAREFUNCTION_ALWAYS
;
93 intel_translate_stencil_op(GLenum op
)
97 return BRW_STENCILOP_KEEP
;
99 return BRW_STENCILOP_ZERO
;
101 return BRW_STENCILOP_REPLACE
;
103 return BRW_STENCILOP_INCRSAT
;
105 return BRW_STENCILOP_DECRSAT
;
107 return BRW_STENCILOP_INCR
;
109 return BRW_STENCILOP_DECR
;
111 return BRW_STENCILOP_INVERT
;
113 return BRW_STENCILOP_ZERO
;
118 intel_translate_logic_op(GLenum opcode
)
122 return BRW_LOGICOPFUNCTION_CLEAR
;
124 return BRW_LOGICOPFUNCTION_AND
;
126 return BRW_LOGICOPFUNCTION_AND_REVERSE
;
128 return BRW_LOGICOPFUNCTION_COPY
;
129 case GL_COPY_INVERTED
:
130 return BRW_LOGICOPFUNCTION_COPY_INVERTED
;
131 case GL_AND_INVERTED
:
132 return BRW_LOGICOPFUNCTION_AND_INVERTED
;
134 return BRW_LOGICOPFUNCTION_NOOP
;
136 return BRW_LOGICOPFUNCTION_XOR
;
138 return BRW_LOGICOPFUNCTION_OR
;
140 return BRW_LOGICOPFUNCTION_OR_INVERTED
;
142 return BRW_LOGICOPFUNCTION_NOR
;
144 return BRW_LOGICOPFUNCTION_EQUIV
;
146 return BRW_LOGICOPFUNCTION_INVERT
;
148 return BRW_LOGICOPFUNCTION_OR_REVERSE
;
150 return BRW_LOGICOPFUNCTION_NAND
;
152 return BRW_LOGICOPFUNCTION_SET
;
154 return BRW_LOGICOPFUNCTION_SET
;