1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
develop this 3D driver.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice (including the
next paragraph) shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**********************************************************************/
/*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "brw_util.h"
#include "mtypes.h"
#include "shader/program.h"
#include "brw_defines.h"
GLuint brw_count_bits( GLuint val )
{
GLuint i;
for (i = 0; val ; val >>= 1)
if (val & 1)
i++;
return i;
}
static GLuint brw_parameter_state_flags(const enum state_index state[])
{
switch (state[0]) {
case STATE_MATERIAL:
case STATE_LIGHT:
case STATE_LIGHTMODEL_AMBIENT:
case STATE_LIGHTMODEL_SCENECOLOR:
case STATE_LIGHTPROD:
return _NEW_LIGHT;
case STATE_TEXGEN:
case STATE_TEXENV_COLOR:
return _NEW_TEXTURE;
case STATE_FOG_COLOR:
case STATE_FOG_PARAMS:
return _NEW_FOG;
case STATE_CLIPPLANE:
return _NEW_TRANSFORM;
case STATE_POINT_SIZE:
case STATE_POINT_ATTENUATION:
return _NEW_POINT;
case STATE_MATRIX:
switch (state[1]) {
case STATE_MODELVIEW:
return _NEW_MODELVIEW;
case STATE_PROJECTION:
return _NEW_PROJECTION;
case STATE_MVP:
return _NEW_MODELVIEW | _NEW_PROJECTION;
case STATE_TEXTURE:
return _NEW_TEXTURE_MATRIX;
case STATE_PROGRAM:
return _NEW_TRACK_MATRIX;
default:
assert(0);
return 0;
}
case STATE_DEPTH_RANGE:
return _NEW_VIEWPORT;
case STATE_FRAGMENT_PROGRAM:
case STATE_VERTEX_PROGRAM:
return _NEW_PROGRAM;
case STATE_INTERNAL:
switch (state[1]) {
case STATE_NORMAL_SCALE:
return _NEW_MODELVIEW;
case STATE_TEXRECT_SCALE:
return _NEW_TEXTURE;
default:
assert(0);
return 0;
}
default:
assert(0);
return 0;
}
}
GLuint
brw_parameter_list_state_flags(struct gl_program_parameter_list *paramList)
{
GLuint i;
GLuint result = 0;
if (!paramList)
return 0;
for (i = 0; i < paramList->NumParameters; i++) {
if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
result |= brw_parameter_state_flags(paramList->Parameters[i].StateIndexes);
}
}
return result;
}
GLuint brw_translate_blend_equation( GLenum mode )
{
switch (mode) {
case GL_FUNC_ADD:
return BRW_BLENDFUNCTION_ADD;
case GL_MIN:
return BRW_BLENDFUNCTION_MIN;
case GL_MAX:
return BRW_BLENDFUNCTION_MAX;
case GL_FUNC_SUBTRACT:
return BRW_BLENDFUNCTION_SUBTRACT;
case GL_FUNC_REVERSE_SUBTRACT:
return BRW_BLENDFUNCTION_REVERSE_SUBTRACT;
default:
assert(0);
return BRW_BLENDFUNCTION_ADD;
}
}
GLuint brw_translate_blend_factor( GLenum factor )
{
switch(factor) {
case GL_ZERO:
return BRW_BLENDFACTOR_ZERO;
case GL_SRC_ALPHA:
return BRW_BLENDFACTOR_SRC_ALPHA;
case GL_ONE:
return BRW_BLENDFACTOR_ONE;
case GL_SRC_COLOR:
return BRW_BLENDFACTOR_SRC_COLOR;
case GL_ONE_MINUS_SRC_COLOR:
return BRW_BLENDFACTOR_INV_SRC_COLOR;
case GL_DST_COLOR:
return BRW_BLENDFACTOR_DST_COLOR;
case GL_ONE_MINUS_DST_COLOR:
return BRW_BLENDFACTOR_INV_DST_COLOR;
case GL_ONE_MINUS_SRC_ALPHA:
return BRW_BLENDFACTOR_INV_SRC_ALPHA;
case GL_DST_ALPHA:
return BRW_BLENDFACTOR_DST_ALPHA;
case GL_ONE_MINUS_DST_ALPHA:
return BRW_BLENDFACTOR_INV_DST_ALPHA;
case GL_SRC_ALPHA_SATURATE:
return BRW_BLENDFACTOR_SRC_ALPHA_SATURATE;
case GL_CONSTANT_COLOR:
return BRW_BLENDFACTOR_CONST_COLOR;
case GL_ONE_MINUS_CONSTANT_COLOR:
return BRW_BLENDFACTOR_INV_CONST_COLOR;
case GL_CONSTANT_ALPHA:
return BRW_BLENDFACTOR_CONST_ALPHA;
case GL_ONE_MINUS_CONSTANT_ALPHA:
return BRW_BLENDFACTOR_INV_CONST_ALPHA;
default:
assert(0);
return BRW_BLENDFACTOR_ZERO;
}
}
|
