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
|
/*-*- linux-c -*-
* linux/drivers/video/savage/savage_accel.c -- Hardware Acceleration
*
* Copyright (C) 2004 Antonino Daplas<adaplas@pol.net>
* All Rights Reserved
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/fb.h>
#include "savagefb.h"
static u32 savagefb_rop[] = {
0xCC, /* ROP_COPY */
0x5A /* ROP_XOR */
};
int savagefb_sync(struct fb_info *info)
{
struct savagefb_par *par = info->par;
par->SavageWaitIdle(par);
return 0;
}
void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct savagefb_par *par = info->par;
int sx = region->sx, dx = region->dx;
int sy = region->sy, dy = region->dy;
int cmd;
if (!region->width || !region->height)
return;
par->bci_ptr = 0;
cmd = BCI_CMD_RECT | BCI_CMD_DEST_GBD | BCI_CMD_SRC_GBD;
BCI_CMD_SET_ROP(cmd, savagefb_rop[0]);
if (dx <= sx) {
cmd |= BCI_CMD_RECT_XP;
} else {
sx += region->width - 1;
dx += region->width - 1;
}
if (dy <= sy) {
cmd |= BCI_CMD_RECT_YP;
} else {
sy += region->height - 1;
dy += region->height - 1;
}
par->SavageWaitFifo(par,4);
BCI_SEND(cmd);
BCI_SEND(BCI_X_Y(sx, sy));
BCI_SEND(BCI_X_Y(dx, dy));
BCI_SEND(BCI_W_H(region->width, region->height));
}
void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct savagefb_par *par = info->par;
int cmd, color;
if (!rect->width || !rect->height)
return;
if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
color = rect->color;
else
color = ((u32 *)info->pseudo_palette)[rect->color];
cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
BCI_CMD_DEST_GBD | BCI_CMD_SRC_SOLID |
BCI_CMD_SEND_COLOR;
par->bci_ptr = 0;
BCI_CMD_SET_ROP(cmd, savagefb_rop[rect->rop]);
par->SavageWaitFifo(par,4);
BCI_SEND(cmd);
BCI_SEND(color);
BCI_SEND( BCI_X_Y(rect->dx, rect->dy) );
BCI_SEND( BCI_W_H(rect->width, rect->height) );
}
void savagefb_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct savagefb_par *par = info->par;
int fg, bg, size, i, width;
int cmd;
u32 *src = (u32 *) image->data;
if (!image->width || !image->height)
return;
if (image->depth != 1) {
cfb_imageblit(info, image);
return;
}
if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
fg = image->fg_color;
bg = image->bg_color;
} else {
fg = ((u32 *)info->pseudo_palette)[image->fg_color];
bg = ((u32 *)info->pseudo_palette)[image->bg_color];
}
cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
BCI_CMD_CLIP_LR | BCI_CMD_DEST_GBD | BCI_CMD_SRC_MONO |
BCI_CMD_SEND_COLOR;
par->bci_ptr = 0;
BCI_CMD_SET_ROP(cmd, savagefb_rop[0]);
width = (image->width + 31) & ~31;
size = (width * image->height)/8;
size >>= 2;
par->SavageWaitFifo(par, size + 5);
BCI_SEND(cmd);
BCI_SEND(BCI_CLIP_LR(image->dx, image->dx + image->width - 1));
BCI_SEND(fg);
BCI_SEND(bg);
BCI_SEND(BCI_X_Y(image->dx, image->dy));
BCI_SEND(BCI_W_H(width, image->height));
for (i = 0; i < size; i++)
BCI_SEND(src[i]);
}
MODULE_LICENSE("GPL");
|
