25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: dev_fb.c,v 1.118 2006/03/04 12:38:47 debug Exp $ |
* $Id: dev_fb.c,v 1.123 2006/07/24 08:08:39 debug Exp $ |
29 |
* |
* |
30 |
* Generic framebuffer device. |
* Generic framebuffer device. |
31 |
* |
* |
34 |
* DECstation Maxine, 1024x768 8-bit color |
* DECstation Maxine, 1024x768 8-bit color |
35 |
* HPC (mips, arm, ..) framebuffer |
* HPC (mips, arm, ..) framebuffer |
36 |
* Playstation 2 (24-bit color) |
* Playstation 2 (24-bit color) |
37 |
* generic (any resolution, several bit depths possible) |
* Generic (any resolution, several bit depths possible, useful for |
38 |
|
* testmachines) |
39 |
* |
* |
40 |
* |
* |
41 |
* TODO: This should actually be independent of X11, but that |
* TODO: This should actually be independent of X11, but that |
63 |
#endif |
#endif |
64 |
|
|
65 |
|
|
66 |
#define FB_TICK_SHIFT 18 |
#define FB_TICK_SHIFT 19 |
67 |
|
|
68 |
|
|
69 |
/* #define FB_DEBUG */ |
/* #define FB_DEBUG */ |
105 |
} |
} |
106 |
|
|
107 |
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|
108 |
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static void set_title(struct vfb_data *d) |
109 |
|
{ |
110 |
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snprintf(d->title, sizeof(d->title),"GXemul: %ix%ix%i %s framebuffer", |
111 |
|
d->visible_xsize, d->visible_ysize, d->bit_depth, d->name); |
112 |
|
d->title[sizeof(d->title)-1] = '\0'; |
113 |
|
} |
114 |
|
|
115 |
|
|
116 |
/* |
/* |
117 |
* dev_fb_resize(): |
* dev_fb_resize(): |
118 |
* |
* |
119 |
* Resize a framebuffer window. (This functionality is probably a bit buggy, |
* Resize a framebuffer window. (This functionality is probably a bit buggy, |
120 |
* because I didn't think of including it from the start.) |
* because I didn't think of including it from the start.) |
121 |
|
* |
122 |
|
* SUPER-IMPORTANT: Anyone who resizes a framebuffer by calling this function |
123 |
|
* must also clear all dyntrans address translations manually, in all cpus |
124 |
|
* which might have access to the framebuffer! |
125 |
*/ |
*/ |
126 |
void dev_fb_resize(struct vfb_data *d, int new_xsize, int new_ysize) |
void dev_fb_resize(struct vfb_data *d, int new_xsize, int new_ysize) |
127 |
{ |
{ |
134 |
return; |
return; |
135 |
} |
} |
136 |
|
|
137 |
|
if (new_xsize < 10 || new_ysize < 10) { |
138 |
|
fatal("dev_fb_resize(): size too small.\n"); |
139 |
|
exit(1); |
140 |
|
} |
141 |
|
|
142 |
new_bytes_per_line = new_xsize * d->bit_depth / 8; |
new_bytes_per_line = new_xsize * d->bit_depth / 8; |
143 |
size = new_ysize * new_bytes_per_line; |
size = new_ysize * new_bytes_per_line; |
144 |
|
|
181 |
d->x11_xsize = d->xsize / d->vfb_scaledown; |
d->x11_xsize = d->xsize / d->vfb_scaledown; |
182 |
d->x11_ysize = d->ysize / d->vfb_scaledown; |
d->x11_ysize = d->ysize / d->vfb_scaledown; |
183 |
|
|
184 |
|
memory_device_update_data(d->memory, d, d->framebuffer); |
185 |
|
|
186 |
|
set_title(d); |
187 |
|
|
188 |
#ifdef WITH_X11 |
#ifdef WITH_X11 |
189 |
if (d->fb_window != NULL) |
if (d->fb_window != NULL) { |
190 |
x11_fb_resize(d->fb_window, new_xsize, new_ysize); |
x11_fb_resize(d->fb_window, new_xsize, new_ysize); |
191 |
|
x11_set_standard_properties(d->fb_window, d->title); |
192 |
|
} |
193 |
#endif |
#endif |
194 |
} |
} |
195 |
|
|
235 |
* block copy/fill. |
* block copy/fill. |
236 |
* |
* |
237 |
* If fillflag is non-zero, then fill_[rgb] should contain the color |
* If fillflag is non-zero, then fill_[rgb] should contain the color |
238 |
* with which to fill. |
* with which to fill. (In 8-bit mode, only fill_r is used.) |
239 |
* |
* |
240 |
* If fillflag is zero, copy mode is used, and from_[xy] should contain |
* If fillflag is zero, copy mode is used, and from_[xy] should contain |
241 |
* the offset on the framebuffer where we should copy from. |
* the offset on the framebuffer where we should copy from. |
246 |
int fill_g, int fill_b, int x1, int y1, int x2, int y2, |
int fill_g, int fill_b, int x1, int y1, int x2, int y2, |
247 |
int from_x, int from_y) |
int from_x, int from_y) |
248 |
{ |
{ |
249 |
int y; |
int x, y; |
250 |
long from_ofs, dest_ofs, linelen; |
long from_ofs, dest_ofs, linelen; |
251 |
|
|
252 |
if (fillflag) |
if (fillflag) |
269 |
if (fillflag) { |
if (fillflag) { |
270 |
for (y=y1; y<=y2; y++) { |
for (y=y1; y<=y2; y++) { |
271 |
if (y>=0 && y<d->ysize) { |
if (y>=0 && y<d->ysize) { |
272 |
int x; |
unsigned char *buf = |
273 |
char buf[8192 * 3]; |
d->framebuffer + dest_ofs; |
274 |
if (d->bit_depth == 24) |
|
275 |
|
if (d->bit_depth == 24) { |
276 |
for (x=0; x<linelen && x<sizeof(buf); |
for (x=0; x<linelen && x<sizeof(buf); |
277 |
x += 3) { |
x += 3) { |
278 |
buf[x] = fill_r; |
buf[x] = fill_r; |
279 |
buf[x+1] = fill_g; |
buf[x+1] = fill_g; |
280 |
buf[x+2] = fill_b; |
buf[x+2] = fill_b; |
281 |
} |
} |
282 |
else { |
} else if (d->bit_depth == 8) { |
283 |
fatal("[ fb: TODO: fill for non-24-bit" |
memset(buf, fill_r, linelen); |
284 |
" modes ]\n"); |
} else { |
285 |
|
fatal("Unimplemented bit-depth (%i)" |
286 |
|
" for fb fill\n", d->bit_depth); |
287 |
|
exit(1); |
288 |
} |
} |
|
|
|
|
memmove(d->framebuffer + dest_ofs, buf, |
|
|
linelen); |
|
289 |
} |
} |
290 |
|
|
291 |
dest_ofs += d->bytes_per_line; |
dest_ofs += d->bytes_per_line; |
293 |
} else { |
} else { |
294 |
from_ofs = d->bytes_per_line * from_y + |
from_ofs = d->bytes_per_line * from_y + |
295 |
(d->bit_depth/8) * from_x; |
(d->bit_depth/8) * from_x; |
|
|
|
296 |
for (y=y1; y<=y2; y++) { |
for (y=y1; y<=y2; y++) { |
297 |
if (y>=0 && y<d->ysize) |
if (y >= 0 && y < d->ysize) { |
298 |
memmove(d->framebuffer + dest_ofs, |
if (from_y >= 0 && from_y < d->ysize) |
299 |
d->framebuffer + from_ofs, linelen); |
memmove(d->framebuffer + dest_ofs, |
300 |
|
d->framebuffer + from_ofs, linelen); |
301 |
|
else |
302 |
|
memset(d->framebuffer + dest_ofs, |
303 |
|
0, linelen); |
304 |
|
} |
305 |
|
from_y ++; |
306 |
from_ofs += d->bytes_per_line; |
from_ofs += d->bytes_per_line; |
307 |
dest_ofs += d->bytes_per_line; |
dest_ofs += d->bytes_per_line; |
308 |
} |
} |
757 |
size_t size, nlen; |
size_t size, nlen; |
758 |
int flags; |
int flags; |
759 |
int reverse_start = 0; |
int reverse_start = 0; |
|
char title[400]; |
|
760 |
char *name2; |
char *name2; |
761 |
|
|
762 |
d = malloc(sizeof(struct vfb_data)); |
d = malloc(sizeof(struct vfb_data)); |
771 |
reverse_start = 1; |
reverse_start = 1; |
772 |
} |
} |
773 |
|
|
774 |
|
d->memory = mem; |
775 |
d->vfb_type = vfb_type; |
d->vfb_type = vfb_type; |
776 |
|
|
777 |
/* Defaults: */ |
/* Defaults: */ |
850 |
d->update_x2 = d->update_y2 = -1; |
d->update_x2 = d->update_y2 = -1; |
851 |
} |
} |
852 |
|
|
853 |
/* Don't set the title to include the size of the framebuffer for |
d->name = strdup(name); |
854 |
VGA, since then the resolution might change during runtime. */ |
set_title(d); |
|
if (strcmp(name, "VGA") == 0) |
|
|
snprintf(title, sizeof(title),"GXemul: %s framebuffer", name); |
|
|
else |
|
|
snprintf(title, sizeof(title),"GXemul: %ix%ix%i %s framebuffer", |
|
|
d->visible_xsize, d->visible_ysize, d->bit_depth, name); |
|
|
title[sizeof(title)-1] = '\0'; |
|
855 |
|
|
856 |
#ifdef WITH_X11 |
#ifdef WITH_X11 |
857 |
if (machine->use_x11) { |
if (machine->use_x11) { |
858 |
int i = 0; |
int i = 0; |
859 |
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
860 |
title, machine->x11_scaledown, machine); |
d->title, machine->x11_scaledown, machine); |
861 |
switch (d->fb_window->x11_screen_depth) { |
switch (d->fb_window->x11_screen_depth) { |
862 |
case 15: i = 2; break; |
case 15: i = 2; break; |
863 |
case 16: i = 4; break; |
case 16: i = 4; break; |