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 1.121 2006/07/08 12:30:02 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 |
|
|
108 |
|
static void set_title(struct vfb_data *d) |
109 |
|
{ |
110 |
|
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 |
|
|
752 |
size_t size, nlen; |
size_t size, nlen; |
753 |
int flags; |
int flags; |
754 |
int reverse_start = 0; |
int reverse_start = 0; |
|
char title[400]; |
|
755 |
char *name2; |
char *name2; |
756 |
|
|
757 |
d = malloc(sizeof(struct vfb_data)); |
d = malloc(sizeof(struct vfb_data)); |
766 |
reverse_start = 1; |
reverse_start = 1; |
767 |
} |
} |
768 |
|
|
769 |
|
d->memory = mem; |
770 |
d->vfb_type = vfb_type; |
d->vfb_type = vfb_type; |
771 |
|
|
772 |
/* Defaults: */ |
/* Defaults: */ |
845 |
d->update_x2 = d->update_y2 = -1; |
d->update_x2 = d->update_y2 = -1; |
846 |
} |
} |
847 |
|
|
848 |
/* Don't set the title to include the size of the framebuffer for |
d->name = strdup(name); |
849 |
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'; |
|
850 |
|
|
851 |
#ifdef WITH_X11 |
#ifdef WITH_X11 |
852 |
if (machine->use_x11) { |
if (machine->use_x11) { |
853 |
int i = 0; |
int i = 0; |
854 |
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
855 |
title, machine->x11_scaledown, machine); |
d->title, machine->x11_scaledown, machine); |
856 |
switch (d->fb_window->x11_screen_depth) { |
switch (d->fb_window->x11_screen_depth) { |
857 |
case 15: i = 2; break; |
case 15: i = 2; break; |
858 |
case 16: i = 4; break; |
case 16: i = 4; break; |