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#include "sigsegv.h" |
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#include "vm_alloc.h" |
| 31 |
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|
| 32 |
< |
// Glue for SheepShaver and BasiliskII |
| 33 |
< |
#if POWERPC_ROM |
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< |
#define X11_MONITOR_INIT /* nothing */ |
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> |
// Glue for SDL and X11 support |
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> |
#ifdef USE_SDL_VIDEO |
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> |
#define MONITOR_INIT SDL_monitor_desc &monitor |
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> |
#define VIDEO_DRV_INIT driver_window *drv |
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> |
#define VIDEO_DRV_ROW_BYTES drv->s->pitch |
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> |
#define VIDEO_DRV_LOCK_PIXELS if (SDL_MUSTLOCK(drv->s)) SDL_LockSurface(drv->s) |
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> |
#define VIDEO_DRV_UNLOCK_PIXELS if (SDL_MUSTLOCK(drv->s)) SDL_UnlockSurface(drv->s) |
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> |
#else |
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> |
#ifdef SHEEPSHAVER |
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> |
#define MONITOR_INIT /* nothing */ |
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#define VIDEO_DRV_INIT /* nothing */ |
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#define VIDEO_DRV_WINDOW the_win |
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#define VIDEO_DRV_GC the_gc |
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#define VIDEO_DRV_IMAGE img |
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#define VIDEO_DRV_HAVE_SHM have_shm |
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– |
#define VIDEO_MODE_INIT VideoInfo const & mode = VModes[cur_mode] |
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– |
#define VIDEO_MODE_ROW_BYTES mode.viRowBytes |
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– |
#define VIDEO_MODE_X mode.viXsize |
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– |
#define VIDEO_MODE_Y mode.viYsize |
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– |
#define VIDEO_MODE_DEPTH mode.viAppleMode |
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– |
enum { |
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– |
VIDEO_DEPTH_1BIT = APPLE_1_BIT, |
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– |
VIDEO_DEPTH_2BIT = APPLE_2_BIT, |
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– |
VIDEO_DEPTH_4BIT = APPLE_4_BIT, |
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– |
VIDEO_DEPTH_8BIT = APPLE_8_BIT, |
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– |
VIDEO_DEPTH_16BIT = APPLE_16_BIT, |
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– |
VIDEO_DEPTH_32BIT = APPLE_32_BIT |
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– |
}; |
| 47 |
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#else |
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< |
#define X11_MONITOR_INIT X11_monitor_desc &monitor |
| 48 |
> |
#define MONITOR_INIT X11_monitor_desc &monitor |
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#define VIDEO_DRV_INIT driver_window *drv |
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#define VIDEO_DRV_WINDOW drv->w |
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#define VIDEO_DRV_GC drv->gc |
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#define VIDEO_DRV_IMAGE drv->img |
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#define VIDEO_DRV_HAVE_SHM drv->have_shm |
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< |
#define VIDEO_MODE_INIT video_mode const & mode = drv->monitor.get_current_mode(); |
| 55 |
< |
#define VIDEO_MODE_ROW_BYTES mode.bytes_per_row |
| 56 |
< |
#define VIDEO_MODE_X mode.x |
| 57 |
< |
#define VIDEO_MODE_Y mode.y |
| 64 |
< |
#define VIDEO_MODE_DEPTH (int)mode.depth |
| 65 |
< |
enum { |
| 66 |
< |
VIDEO_DEPTH_1BIT = VDEPTH_1BIT, |
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< |
VIDEO_DEPTH_2BIT = VDEPTH_2BIT, |
| 68 |
< |
VIDEO_DEPTH_4BIT = VDEPTH_4BIT, |
| 69 |
< |
VIDEO_DEPTH_8BIT = VDEPTH_8BIT, |
| 70 |
< |
VIDEO_DEPTH_16BIT = VDEPTH_16BIT, |
| 71 |
< |
VIDEO_DEPTH_32BIT = VDEPTH_32BIT |
| 72 |
< |
}; |
| 54 |
> |
#endif |
| 55 |
> |
#define VIDEO_DRV_LOCK_PIXELS /* nothing */ |
| 56 |
> |
#define VIDEO_DRV_UNLOCK_PIXELS /* nothing */ |
| 57 |
> |
#define VIDEO_DRV_ROW_BYTES VIDEO_DRV_IMAGE->bytes_per_line |
| 58 |
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#endif |
| 59 |
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|
| 60 |
|
// Variables for Video on SEGV support |
| 186 |
|
|
| 187 |
|
|
| 188 |
|
/* |
| 189 |
+ |
* Check if VOSF acceleration is profitable on this platform |
| 190 |
+ |
*/ |
| 191 |
+ |
|
| 192 |
+ |
const int VOSF_PROFITABLE_TRIES = 3; // Make 3 attempts for full screen update |
| 193 |
+ |
const int VOSF_PROFITABLE_THRESHOLD = 16667; // 60 Hz |
| 194 |
+ |
|
| 195 |
+ |
static bool video_vosf_profitable(void) |
| 196 |
+ |
{ |
| 197 |
+ |
int64 durations[VOSF_PROFITABLE_TRIES]; |
| 198 |
+ |
int mean_duration = 0; |
| 199 |
+ |
|
| 200 |
+ |
for (int i = 0; i < VOSF_PROFITABLE_TRIES; i++) { |
| 201 |
+ |
uint64 start = GetTicks_usec(); |
| 202 |
+ |
for (int p = 0; p < mainBuffer.pageCount; p++) { |
| 203 |
+ |
uint8 *addr = (uint8 *)(mainBuffer.memStart + (p * mainBuffer.pageSize)); |
| 204 |
+ |
addr[0] = 0; // Trigger Screen_fault_handler() |
| 205 |
+ |
} |
| 206 |
+ |
int64 duration = GetTicks_usec() - start; |
| 207 |
+ |
mean_duration += duration; |
| 208 |
+ |
durations[i] = duration; |
| 209 |
+ |
|
| 210 |
+ |
PFLAG_CLEAR_ALL; |
| 211 |
+ |
mainBuffer.dirty = false; |
| 212 |
+ |
if (vm_protect((char *)mainBuffer.memStart, mainBuffer.memLength, VM_PAGE_READ) != 0) |
| 213 |
+ |
return false; |
| 214 |
+ |
} |
| 215 |
+ |
|
| 216 |
+ |
mean_duration /= VOSF_PROFITABLE_TRIES; |
| 217 |
+ |
D(bug("Triggered %d screen faults in %ld usec on average\n", mainBuffer.pageCount, mean_duration)); |
| 218 |
+ |
return (mean_duration < (VOSF_PROFITABLE_THRESHOLD * (frame_skip ? frame_skip : 1))); |
| 219 |
+ |
} |
| 220 |
+ |
|
| 221 |
+ |
|
| 222 |
+ |
/* |
| 223 |
|
* Initialize the VOSF system (mainBuffer structure, SIGSEGV handler) |
| 224 |
|
*/ |
| 225 |
|
|
| 226 |
< |
static bool video_vosf_init(X11_MONITOR_INIT) |
| 226 |
> |
static bool video_vosf_init(MONITOR_INIT) |
| 227 |
|
{ |
| 228 |
< |
VIDEO_MODE_INIT; |
| 228 |
> |
VIDEO_MODE_INIT_MONITOR; |
| 229 |
|
|
| 230 |
|
const uintptr page_size = getpagesize(); |
| 231 |
|
const uintptr page_mask = page_size - 1; |
| 332 |
|
* Update display for Windowed mode and VOSF |
| 333 |
|
*/ |
| 334 |
|
|
| 316 |
– |
// From video_blit.cpp |
| 317 |
– |
extern void (*Screen_blit)(uint8 * dest, const uint8 * source, uint32 length); |
| 318 |
– |
extern bool Screen_blitter_init(XVisualInfo * visual_info, bool native_byte_order, int mac_depth); |
| 319 |
– |
extern uint32 ExpandMap[256]; |
| 320 |
– |
|
| 335 |
|
/* How can we deal with array overrun conditions ? |
| 336 |
|
|
| 337 |
|
The state of the framebuffer pages that have been touched are maintained |
| 387 |
|
const int y1 = mainBuffer.pageInfo[first_page].top; |
| 388 |
|
const int y2 = mainBuffer.pageInfo[page - 1].bottom; |
| 389 |
|
const int height = y2 - y1 + 1; |
| 390 |
< |
|
| 391 |
< |
if (VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) { |
| 390 |
> |
|
| 391 |
> |
VIDEO_DRV_LOCK_PIXELS; |
| 392 |
> |
|
| 393 |
> |
if ((int)VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) { |
| 394 |
|
|
| 395 |
|
// Update the_host_buffer and copy of the_buffer |
| 396 |
|
const int src_bytes_per_row = VIDEO_MODE_ROW_BYTES; |
| 397 |
< |
const int dst_bytes_per_row = VIDEO_DRV_IMAGE->bytes_per_line; |
| 397 |
> |
const int dst_bytes_per_row = VIDEO_DRV_ROW_BYTES; |
| 398 |
|
const int pixels_per_byte = VIDEO_MODE_X / src_bytes_per_row; |
| 399 |
|
int i1 = y1 * src_bytes_per_row, i2 = y1 * dst_bytes_per_row, j; |
| 400 |
|
for (j = y1; j <= y2; j++) { |
| 407 |
|
|
| 408 |
|
// Update the_host_buffer and copy of the_buffer |
| 409 |
|
const int src_bytes_per_row = VIDEO_MODE_ROW_BYTES; |
| 410 |
< |
const int dst_bytes_per_row = VIDEO_DRV_IMAGE->bytes_per_line; |
| 410 |
> |
const int dst_bytes_per_row = VIDEO_DRV_ROW_BYTES; |
| 411 |
|
const int bytes_per_pixel = src_bytes_per_row / VIDEO_MODE_X; |
| 412 |
|
int i1 = y1 * src_bytes_per_row, i2 = y1 * dst_bytes_per_row, j; |
| 413 |
|
for (j = y1; j <= y2; j++) { |
| 417 |
|
} |
| 418 |
|
} |
| 419 |
|
|
| 420 |
+ |
VIDEO_DRV_UNLOCK_PIXELS; |
| 421 |
+ |
|
| 422 |
+ |
#ifdef USE_SDL_VIDEO |
| 423 |
+ |
SDL_UpdateRect(drv->s, 0, y1, VIDEO_MODE_X, height); |
| 424 |
+ |
#else |
| 425 |
|
if (VIDEO_DRV_HAVE_SHM) |
| 426 |
|
XShmPutImage(x_display, VIDEO_DRV_WINDOW, VIDEO_DRV_GC, VIDEO_DRV_IMAGE, 0, y1, 0, y1, VIDEO_MODE_X, height, 0); |
| 427 |
|
else |
| 428 |
|
XPutImage(x_display, VIDEO_DRV_WINDOW, VIDEO_DRV_GC, VIDEO_DRV_IMAGE, 0, y1, 0, y1, VIDEO_MODE_X, height); |
| 429 |
+ |
#endif |
| 430 |
|
} |
| 431 |
|
mainBuffer.dirty = false; |
| 432 |
|
} |
| 494 |
|
|
| 495 |
|
// Update the_host_buffer and copy of the_buffer |
| 496 |
|
// There should be at least one pixel to copy |
| 497 |
+ |
VIDEO_DRV_LOCK_PIXELS; |
| 498 |
|
const int width = x2 - x1 + 1; |
| 499 |
|
i = y1 * bytes_per_row + x1 * bytes_per_pixel; |
| 500 |
|
for (j = y1; j <= y2; j++) { |
| 502 |
|
memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * width); |
| 503 |
|
i += bytes_per_row; |
| 504 |
|
} |
| 505 |
+ |
VIDEO_DRV_UNLOCK_PIXELS; |
| 506 |
|
} |
| 507 |
|
mainBuffer.dirty = false; |
| 508 |
|
} |
