2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a 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, sublicense, 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
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
35 #include "shader/program.h"
36 #include "brw_defines.h"
38 GLuint
brw_count_bits( GLuint val
)
41 for (i
= 0; val
; val
>>= 1)
48 static GLuint
brw_parameter_state_flags(const enum state_index state
[])
53 case STATE_LIGHTMODEL_AMBIENT
:
54 case STATE_LIGHTMODEL_SCENECOLOR
:
59 case STATE_TEXENV_COLOR
:
63 case STATE_FOG_PARAMS
:
67 return _NEW_TRANSFORM
;
69 case STATE_POINT_SIZE
:
70 case STATE_POINT_ATTENUATION
:
76 return _NEW_MODELVIEW
;
77 case STATE_PROJECTION
:
78 return _NEW_PROJECTION
;
80 return _NEW_MODELVIEW
| _NEW_PROJECTION
;
82 return _NEW_TEXTURE_MATRIX
;
84 return _NEW_TRACK_MATRIX
;
90 case STATE_DEPTH_RANGE
:
93 case STATE_FRAGMENT_PROGRAM
:
94 case STATE_VERTEX_PROGRAM
:
99 case STATE_NORMAL_SCALE
:
100 return _NEW_MODELVIEW
;
114 brw_parameter_list_state_flags(struct gl_program_parameter_list
*paramList
)
122 for (i
= 0; i
< paramList
->NumParameters
; i
++) {
123 if (paramList
->Parameters
[i
].Type
== PROGRAM_STATE_VAR
) {
124 result
|= brw_parameter_state_flags(paramList
->Parameters
[i
].StateIndexes
);
132 GLuint
brw_translate_blend_equation( GLenum mode
)
136 return BRW_BLENDFUNCTION_ADD
;
138 return BRW_BLENDFUNCTION_MIN
;
140 return BRW_BLENDFUNCTION_MAX
;
141 case GL_FUNC_SUBTRACT
:
142 return BRW_BLENDFUNCTION_SUBTRACT
;
143 case GL_FUNC_REVERSE_SUBTRACT
:
144 return BRW_BLENDFUNCTION_REVERSE_SUBTRACT
;
147 return BRW_BLENDFUNCTION_ADD
;
151 GLuint
brw_translate_blend_factor( GLenum factor
)
155 return BRW_BLENDFACTOR_ZERO
;
157 return BRW_BLENDFACTOR_SRC_ALPHA
;
159 return BRW_BLENDFACTOR_ONE
;
161 return BRW_BLENDFACTOR_SRC_COLOR
;
162 case GL_ONE_MINUS_SRC_COLOR
:
163 return BRW_BLENDFACTOR_INV_SRC_COLOR
;
165 return BRW_BLENDFACTOR_DST_COLOR
;
166 case GL_ONE_MINUS_DST_COLOR
:
167 return BRW_BLENDFACTOR_INV_DST_COLOR
;
168 case GL_ONE_MINUS_SRC_ALPHA
:
169 return BRW_BLENDFACTOR_INV_SRC_ALPHA
;
171 return BRW_BLENDFACTOR_DST_ALPHA
;
172 case GL_ONE_MINUS_DST_ALPHA
:
173 return BRW_BLENDFACTOR_INV_DST_ALPHA
;
174 case GL_SRC_ALPHA_SATURATE
:
175 return BRW_BLENDFACTOR_SRC_ALPHA_SATURATE
;
176 case GL_CONSTANT_COLOR
:
177 return BRW_BLENDFACTOR_CONST_COLOR
;
178 case GL_ONE_MINUS_CONSTANT_COLOR
:
179 return BRW_BLENDFACTOR_INV_CONST_COLOR
;
180 case GL_CONSTANT_ALPHA
:
181 return BRW_BLENDFACTOR_CONST_ALPHA
;
182 case GL_ONE_MINUS_CONSTANT_ALPHA
:
183 return BRW_BLENDFACTOR_INV_CONST_ALPHA
;
186 return BRW_BLENDFACTOR_ZERO
;