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
|
/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_span.c,v 1.2 2002/02/22 21:32:59 dawes Exp $
*
* GLX Hardware Device Driver for Sun Creator/Creator3D
* Copyright (C) 2000 David S. Miller
*
* 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
* DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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.
*
*
* David S. Miller <davem@redhat.com>
*/
#include "mtypes.h"
#include "ffb_dd.h"
#include "ffb_span.h"
#include "ffb_context.h"
#include "ffb_lock.h"
#include "swrast/swrast.h"
#define DBG 0
#define HW_LOCK() \
ffbContextPtr fmesa = FFB_CONTEXT(ctx); \
if (!fmesa->hw_locked) \
LOCK_HARDWARE(fmesa);
#define HW_UNLOCK() \
if (!fmesa->hw_locked) \
UNLOCK_HARDWARE(fmesa); \
#define LOCAL_VARS \
__DRIdrawablePrivate *dPriv = fmesa->driDrawable; \
GLuint height = dPriv->h; \
GLuint p; \
char *buf; \
(void) p
#define INIT_MONO_PIXEL(p, color) \
p = ((color[0] << 0) | \
(color[1] << 8) | \
(color[2] << 16))
/* We use WID clipping, so this test always passes. */
#define CLIPPIXEL(__x, __y) (1)
/* And also, due to WID clipping, we need not do anything
* special here.
*/
#define CLIPSPAN(__x,__y,__n,__x1,__n1,__i) \
__n1 = __n; \
__x1 = __x; \
#define HW_CLIPLOOP() \
do { unsigned int fbc, ppc, cmp; \
FFBWait(fmesa, fmesa->regs); \
fbc = fmesa->regs->fbc; ppc = fmesa->regs->ppc; cmp = fmesa->regs->cmp; \
fmesa->regs->fbc = ((fbc & \
~(FFB_FBC_WB_C | FFB_FBC_ZE_MASK | FFB_FBC_RGBE_MASK)) \
| (FFB_FBC_ZE_OFF | FFB_FBC_RGBE_MASK)); \
fmesa->regs->ppc = ((ppc & \
~(FFB_PPC_XS_MASK | FFB_PPC_ABE_MASK | FFB_PPC_DCE_MASK | \
FFB_PPC_APE_MASK | FFB_PPC_CS_MASK)) \
| (FFB_PPC_XS_WID | FFB_PPC_ABE_DISABLE | \
FFB_PPC_DCE_DISABLE | FFB_PPC_APE_DISABLE | \
FFB_PPC_CS_VAR)); \
fmesa->regs->cmp = ((cmp & ~(0xff << 16)) | (0x80 << 16)); \
fmesa->ffbScreen->rp_active = 1; \
FFBWait(fmesa, fmesa->regs); \
buf = (char *)(fmesa->sfb32 + (dPriv->x << 2) + (dPriv->y << 13));\
if (dPriv->numClipRects) {
#define HW_ENDCLIPLOOP() \
} \
fmesa->regs->fbc = fbc; \
fmesa->regs->ppc = ppc; \
fmesa->regs->cmp = cmp; \
fmesa->ffbScreen->rp_active = 1; \
} while(0)
#define Y_FLIP(__y) (height - __y)
#define READ_RGBA(rgba,__x,__y) \
do { GLuint p = *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)); \
rgba[0] = (p >> 0) & 0xff; \
rgba[1] = (p >> 8) & 0xff; \
rgba[2] = (p >> 16) & 0xff; \
rgba[3] = 0xff; \
} while(0)
#define WRITE_RGBA(__x, __y, __r, __g, __b, __a) \
*(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = \
((((__r) & 0xff) << 0) | \
(((__g) & 0xff) << 8) | \
(((__b) & 0xff) << 16))
#define WRITE_PIXEL(__x, __y, __p) \
*(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = (__p)
#define TAG(x) ffb##x##_888
#include <spantmp.h>
void ffbDDInitSpanFuncs(GLcontext *ctx)
{
struct swrast_device_driver *swdd =
_swrast_GetDeviceDriverReference(ctx);
swdd->WriteRGBASpan = ffbWriteRGBASpan_888;
swdd->WriteRGBSpan = ffbWriteRGBSpan_888;
swdd->WriteRGBAPixels = ffbWriteRGBAPixels_888;
swdd->WriteMonoRGBASpan = ffbWriteMonoRGBASpan_888;
swdd->WriteMonoRGBAPixels = ffbWriteMonoRGBAPixels_888;
swdd->ReadRGBASpan = ffbReadRGBASpan_888;
swdd->ReadRGBAPixels = ffbReadRGBAPixels_888;
/* We don't support color index mode yet, but it will be
* very easy to do. -DaveM
*/
swdd->WriteCI8Span = NULL;
swdd->WriteCI32Span = NULL;
swdd->WriteMonoCISpan = NULL;
swdd->WriteCI32Pixels = NULL;
swdd->WriteMonoCIPixels = NULL;
swdd->ReadCI32Span = NULL;
swdd->ReadCI32Pixels = NULL;
}
|
