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
|
/* $Id: ss_vbtmp.h,v 1.15 2001/04/30 09:04:00 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* 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 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
* BRIAN PAUL 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 <keithw@valinux.com>
*/
static void TAG(rs)(GLcontext *ctx, GLuint start, GLuint end, GLuint newinputs )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
SWvertex *v;
GLfloat (*proj)[4]; /* projected clip coordinates */
GLfloat (*tc[MAX_TEXTURE_UNITS])[4];
GLfloat (*color)[4];
GLfloat (*spec)[4];
GLuint *index;
GLfloat *fog;
GLfloat *pointSize;
GLuint tsz[MAX_TEXTURE_UNITS];
GLuint i;
GLfloat *m = ctx->Viewport._WindowMap.m;
const GLfloat sx = m[0];
const GLfloat sy = m[5];
const GLfloat sz = m[10];
const GLfloat tx = m[12];
const GLfloat ty = m[13];
const GLfloat tz = m[14];
GLuint maxtex = 0;
/* Only the most basic optimization for cva:
*/
if (!newinputs)
return;
/* TODO: Get import_client_data to pad vectors out to 4 cleanly.
*
* NOTE: This has the effect of converting any remaining ubyte
* colors to floats... As they're already there 90% of the
* time, this isn't a bad thing.
*/
if (VB->importable_data)
VB->import_data( ctx, VB->importable_data & newinputs,
(VB->ClipOrMask
? VEC_NOT_WRITEABLE|VEC_BAD_STRIDE
: VEC_BAD_STRIDE));
if (IND & TEX0) {
tc[0] = VB->TexCoordPtr[0]->data;
tsz[0] = VB->TexCoordPtr[0]->size;
}
if (IND & MULTITEX) {
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) {
if (VB->TexCoordPtr[i]) {
maxtex = i+1;
tc[i] = VB->TexCoordPtr[i]->data;
tsz[i] = VB->TexCoordPtr[i]->size;
}
else tc[i] = 0;
}
}
/* Tie up some dangling pointers for flat/twoside code in ss_tritmp.h
*/
if ((ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) == 0) {
VB->SecondaryColorPtr[0] = VB->ColorPtr[0];
VB->SecondaryColorPtr[1] = VB->ColorPtr[1];
}
proj = VB->ProjectedClipPtr->data;
if (IND & FOG)
fog = VB->FogCoordPtr->data;
if (IND & COLOR)
color = (GLfloat (*)[4])VB->ColorPtr[0]->Ptr;
if (IND & SPEC)
spec = (GLfloat (*)[4])VB->SecondaryColorPtr[0]->Ptr;
if (IND & INDEX)
index = VB->IndexPtr[0]->data;
if (IND & POINT)
pointSize = VB->PointSizePtr->data;
v = &(SWSETUP_CONTEXT(ctx)->verts[start]);
for (i=start; i < end; i++, v++) {
if (VB->ClipMask[i] == 0) {
v->win[0] = sx * proj[i][0] + tx;
v->win[1] = sy * proj[i][1] + ty;
v->win[2] = sz * proj[i][2] + tz;
v->win[3] = proj[i][3];
if (IND & TEX0)
COPY_CLEAN_4V( v->texcoord[0], tsz[0], tc[0][i] );
if (IND & MULTITEX) {
GLuint u;
for (u = 0 ; u < maxtex ; u++)
if (tc[u])
COPY_CLEAN_4V( v->texcoord[u], tsz[u], tc[u][i] );
}
if (IND & COLOR)
UNCLAMPED_FLOAT_TO_RGBA_CHAN(v->color, color[i]);
if (IND & SPEC)
UNCLAMPED_FLOAT_TO_RGBA_CHAN(v->specular, spec[i]);
if (IND & FOG)
v->fog = fog[i];
if (IND & INDEX)
v->index = index[i];
if (IND & POINT)
v->pointSize = pointSize[i];
}
}
}
#undef TAG
#undef IND
#undef SETUP_FLAGS
|
