25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: dev_fb.c,v 1.90 2005/03/29 09:46:06 debug Exp $ |
* $Id: dev_fb.c,v 1.106 2005/08/14 11:14:38 debug Exp $ |
29 |
* |
* |
30 |
* Generic framebuffer device. |
* Generic framebuffer device. |
31 |
* |
* |
65 |
#endif |
#endif |
66 |
|
|
67 |
|
|
68 |
#define FB_TICK_SHIFT 18 |
#define FB_TICK_SHIFT 19 |
|
|
|
|
#define LOGO_XSIZE 256 |
|
|
#define LOGO_YSIZE 256 |
|
|
#define LOGO_BOTTOM_MARGIN 60 |
|
|
/* This must be a 256*256 pixels P4 ppm: */ |
|
|
#include "fb_logo.c" |
|
|
unsigned char *fb_logo = fb_logo_ppm + 11; |
|
69 |
|
|
70 |
|
|
71 |
/* #define FB_DEBUG */ |
/* #define FB_DEBUG */ |
108 |
|
|
109 |
|
|
110 |
/* |
/* |
111 |
|
* dev_fb_resize(): |
112 |
|
* |
113 |
|
* Resize a framebuffer window. (This functionality is probably a bit buggy, |
114 |
|
* because I didn't think of including it from the start.) |
115 |
|
*/ |
116 |
|
void dev_fb_resize(struct vfb_data *d, int new_xsize, int new_ysize) |
117 |
|
{ |
118 |
|
unsigned char *new_framebuffer; |
119 |
|
int y, new_bytes_per_line; |
120 |
|
size_t size; |
121 |
|
|
122 |
|
if (d == NULL) { |
123 |
|
fatal("dev_fb_resize(): d == NULL\n"); |
124 |
|
return; |
125 |
|
} |
126 |
|
|
127 |
|
new_bytes_per_line = new_xsize * d->bit_depth / 8; |
128 |
|
size = new_ysize * new_bytes_per_line; |
129 |
|
|
130 |
|
new_framebuffer = malloc(size); |
131 |
|
if (new_framebuffer == NULL) { |
132 |
|
fprintf(stderr, "dev_fb_resize(): out of memory\n"); |
133 |
|
exit(1); |
134 |
|
} |
135 |
|
|
136 |
|
/* Copy the old framebuffer to the new: */ |
137 |
|
if (d->framebuffer != NULL) { |
138 |
|
for (y=0; y<new_ysize; y++) { |
139 |
|
size_t fromofs = d->bytes_per_line * y; |
140 |
|
size_t toofs = new_bytes_per_line * y; |
141 |
|
size_t len_to_copy = d->bytes_per_line < |
142 |
|
new_bytes_per_line? d->bytes_per_line |
143 |
|
: new_bytes_per_line; |
144 |
|
memset(new_framebuffer + toofs, 0, new_bytes_per_line); |
145 |
|
if (y < d->x11_ysize) |
146 |
|
memmove(new_framebuffer + toofs, |
147 |
|
d->framebuffer + fromofs, len_to_copy); |
148 |
|
} |
149 |
|
|
150 |
|
free(d->framebuffer); |
151 |
|
} |
152 |
|
|
153 |
|
d->framebuffer = new_framebuffer; |
154 |
|
d->framebuffer_size = size; |
155 |
|
|
156 |
|
if (new_xsize > d->x11_xsize || new_ysize > d->x11_ysize) { |
157 |
|
d->update_x1 = d->update_y1 = 0; |
158 |
|
d->update_x2 = new_xsize - 1; |
159 |
|
d->update_y2 = new_ysize - 1; |
160 |
|
} |
161 |
|
|
162 |
|
d->bytes_per_line = new_bytes_per_line; |
163 |
|
d->x11_xsize = d->visible_xsize = new_xsize; |
164 |
|
d->x11_ysize = d->visible_ysize = new_ysize; |
165 |
|
|
166 |
|
#ifdef WITH_X11 |
167 |
|
if (d->fb_window != NULL) |
168 |
|
x11_fb_resize(d->fb_window, new_xsize, new_ysize); |
169 |
|
#endif |
170 |
|
} |
171 |
|
|
172 |
|
|
173 |
|
/* |
174 |
* dev_fb_setcursor(): |
* dev_fb_setcursor(): |
175 |
*/ |
*/ |
176 |
void dev_fb_setcursor(struct vfb_data *d, int cursor_x, int cursor_y, int on, |
void dev_fb_setcursor(struct vfb_data *d, int cursor_x, int cursor_y, int on, |
438 |
r = r & 31; |
r = r & 31; |
439 |
g = (g & 31) * 2; |
g = (g & 31) * 2; |
440 |
b = b & 31; |
b = b & 31; |
441 |
|
} else if (d->psp_15bit) { |
442 |
|
int tmp; |
443 |
|
r = (b >> 10) & 0x1f; |
444 |
|
g = (b >> 5) & 0x1f; |
445 |
|
b = b & 0x1f; |
446 |
|
g <<= 1; |
447 |
|
tmp = r; r = b; b = tmp; |
448 |
} else { |
} else { |
449 |
r = (b >> 11) & 0x1f; |
r = (b >> 11) & 0x1f; |
450 |
g = (b >> 5) & 0x3f; |
g = (b >> 5) & 0x3f; |
473 |
return; |
return; |
474 |
} |
} |
475 |
|
|
476 |
/* scaledown != 1: */ |
/* scaledown > 1: */ |
477 |
|
|
478 |
scaledown = d->vfb_scaledown; |
scaledown = d->vfb_scaledown; |
479 |
scaledownXscaledown = scaledown * scaledown; |
scaledownXscaledown = scaledown * scaledown; |
616 |
if (!cpu->machine->use_x11) |
if (!cpu->machine->use_x11) |
617 |
return; |
return; |
618 |
|
|
|
#ifdef BINTRANS |
|
619 |
do { |
do { |
620 |
uint64_t low = -1, high; |
uint64_t high, low = (uint64_t)(int64_t) -1; |
621 |
int x, y; |
int x, y; |
622 |
|
|
623 |
memory_device_bintrans_access(cpu, cpu->mem, |
memory_device_dyntrans_access(cpu, cpu->mem, |
624 |
extra, &low, &high); |
extra, &low, &high); |
625 |
if ((int64_t)low == -1) |
if ((int64_t)low == -1) |
626 |
break; |
break; |
681 |
d->update_x2 = d->xsize-1; |
d->update_x2 = d->xsize-1; |
682 |
} |
} |
683 |
} while (0); |
} while (0); |
|
#endif |
|
684 |
|
|
685 |
#ifdef WITH_X11 |
#ifdef WITH_X11 |
686 |
/* Do we need to redraw the cursor? */ |
/* Do we need to redraw the cursor? */ |
811 |
} |
} |
812 |
#endif |
#endif |
813 |
|
|
814 |
|
if (relative_addr >= d->framebuffer_size) |
815 |
|
return 0; |
816 |
|
|
817 |
/* See if a write actually modifies the framebuffer contents: */ |
/* See if a write actually modifies the framebuffer contents: */ |
818 |
if (writeflag == MEM_WRITE) { |
if (writeflag == MEM_WRITE) { |
819 |
for (i=0; i<len; i++) { |
for (i=0; i<len; i++) { |
899 |
/* |
/* |
900 |
* dev_fb_init(): |
* dev_fb_init(): |
901 |
* |
* |
902 |
* xsize and ysize are ignored if vfb_type is VFB_DEC_VFB01 or 02. |
* This function is big and ugly, but the point is to initialize a framebuffer |
903 |
|
* device. :-) |
904 |
|
* |
905 |
|
* visible_xsize and visible_ysize are the sizes of the visible display area. |
906 |
|
* xsize and ysize tell how much memory is actually allocated (for example |
907 |
|
* visible_xsize could be 640, but xsize could be 1024, for better alignment). |
908 |
|
* |
909 |
|
* vfb_type is useful for selecting special features. |
910 |
|
* |
911 |
|
* type = VFB_GENERIC is the most useful type, especially when bit_depth = 24. |
912 |
|
* |
913 |
|
* VFB_DEC_VFB01, _VFB02, and VFB_DEC_MAXINE are DECstation specific. |
914 |
|
* |
915 |
|
* If type is VFB_HPCMIPS, then color encoding differs from the generic case. |
916 |
|
* |
917 |
|
* If bit_depth = -15 (note the minus sign), then a special hack is used for |
918 |
|
* the Playstation Portable's 5-bit R, 5-bit G, 5-bit B. |
919 |
*/ |
*/ |
920 |
struct vfb_data *dev_fb_init(struct machine *machine, struct memory *mem, |
struct vfb_data *dev_fb_init(struct machine *machine, struct memory *mem, |
921 |
uint64_t baseaddr, int vfb_type, int visible_xsize, int visible_ysize, |
uint64_t baseaddr, int vfb_type, int visible_xsize, int visible_ysize, |
922 |
int xsize, int ysize, int bit_depth, char *name, int logo) |
int xsize, int ysize, int bit_depth, char *name) |
923 |
{ |
{ |
924 |
struct vfb_data *d; |
struct vfb_data *d; |
925 |
size_t size; |
size_t size, nlen; |
926 |
int x, y; |
int flags; |
927 |
char title[400]; |
char title[400]; |
928 |
char *name2; |
char *name2; |
|
int flags; |
|
929 |
|
|
930 |
d = malloc(sizeof(struct vfb_data)); |
d = malloc(sizeof(struct vfb_data)); |
931 |
if (d == NULL) { |
if (d == NULL) { |
945 |
if (bit_depth == 15) { |
if (bit_depth == 15) { |
946 |
d->color32k = 1; |
d->color32k = 1; |
947 |
bit_depth = d->bit_depth = 16; |
bit_depth = d->bit_depth = 16; |
948 |
|
} else if (bit_depth == -15) { |
949 |
|
d->psp_15bit = 1; |
950 |
|
bit_depth = d->bit_depth = 16; |
951 |
} |
} |
952 |
|
|
953 |
/* Specific types: */ |
/* Specific types: */ |
1007 |
d->update_x2 = d->update_y2 = -1; |
d->update_x2 = d->update_y2 = -1; |
1008 |
|
|
1009 |
|
|
1010 |
/* A nice bootup logo: */ |
/* Don't set the title to include the size of the framebuffer for |
1011 |
if (logo) { |
VGA, since then the resolution might change during runtime. */ |
1012 |
int logo_bottom_margin = LOGO_BOTTOM_MARGIN; |
if (strcmp(name, "VGA") == 0) |
1013 |
|
snprintf(title, sizeof(title),"GXemul: %s framebuffer", name); |
1014 |
d->update_x1 = 0; |
else |
1015 |
d->update_x2 = LOGO_XSIZE-1; |
snprintf(title, sizeof(title),"GXemul: %ix%ix%i %s framebuffer", |
1016 |
d->update_y1 = d->visible_ysize-LOGO_YSIZE-logo_bottom_margin; |
d->visible_xsize, d->visible_ysize, d->bit_depth, name); |
|
d->update_y2 = d->visible_ysize-logo_bottom_margin; |
|
|
for (y=0; y<LOGO_YSIZE; y++) |
|
|
for (x=0; x<LOGO_XSIZE; x++) { |
|
|
int s, a = ((y + d->visible_ysize - LOGO_YSIZE |
|
|
- logo_bottom_margin)*d->xsize + x) |
|
|
* d->bit_depth / 8; |
|
|
int b = fb_logo[(y*LOGO_XSIZE+x) / 8] & |
|
|
(128 >> (x&7)); |
|
|
for (s=0; s<d->bit_depth / 8; s++) |
|
|
d->framebuffer[a+s] = b? 0 : 255; |
|
|
} |
|
|
} |
|
|
|
|
|
snprintf(title, sizeof(title), "GXemul: %ix%ix%i %s framebuffer", |
|
|
d->visible_xsize, d->visible_ysize, d->bit_depth, name); |
|
1017 |
title[sizeof(title)-1] = '\0'; |
title[sizeof(title)-1] = '\0'; |
1018 |
|
|
1019 |
#ifdef WITH_X11 |
#ifdef WITH_X11 |
1024 |
#endif |
#endif |
1025 |
d->fb_window = NULL; |
d->fb_window = NULL; |
1026 |
|
|
1027 |
name2 = malloc(strlen(name) + 10); |
nlen = strlen(name) + 10; |
1028 |
|
name2 = malloc(nlen); |
1029 |
if (name2 == NULL) { |
if (name2 == NULL) { |
1030 |
fprintf(stderr, "out of memory in dev_fb_init()\n"); |
fprintf(stderr, "out of memory in dev_fb_init()\n"); |
1031 |
exit(1); |
exit(1); |
1032 |
} |
} |
1033 |
sprintf(name2, "fb [%s]", name); |
snprintf(name2, nlen, "fb [%s]", name); |
1034 |
|
|
1035 |
flags = MEM_DEFAULT; |
flags = MEM_DEFAULT; |
1036 |
if ((baseaddr & 0xfff) == 0) |
if ((baseaddr & 0xfff) == 0) |
1037 |
flags = MEM_BINTRANS_OK | MEM_BINTRANS_WRITE_OK; |
flags = MEM_DYNTRANS_OK | MEM_DYNTRANS_WRITE_OK; |
1038 |
|
|
1039 |
|
flags |= MEM_READING_HAS_NO_SIDE_EFFECTS; |
1040 |
|
|
1041 |
memory_device_register(mem, name2, baseaddr, size, dev_fb_access, |
memory_device_register(mem, name2, baseaddr, size, dev_fb_access, |
1042 |
d, flags, d->framebuffer); |
d, flags, d->framebuffer); |