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#include "sigsegv.h" |
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#include "vm_alloc.h" |
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|
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// Glue for SheepShaver and BasiliskII |
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#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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}; |
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#else |
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#define X11_MONITOR_INIT X11_monitor_desc &monitor |
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#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(); |
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#define VIDEO_MODE_ROW_BYTES mode.bytes_per_row |
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#define VIDEO_MODE_X mode.x |
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#define VIDEO_MODE_Y mode.y |
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#define VIDEO_MODE_DEPTH (int)mode.depth |
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enum { |
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VIDEO_DEPTH_1BIT = VDEPTH_1BIT, |
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VIDEO_DEPTH_2BIT = VDEPTH_2BIT, |
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VIDEO_DEPTH_4BIT = VDEPTH_4BIT, |
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VIDEO_DEPTH_8BIT = VDEPTH_8BIT, |
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VIDEO_DEPTH_16BIT = VDEPTH_16BIT, |
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VIDEO_DEPTH_32BIT = VDEPTH_32BIT |
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}; |
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#endif |
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> |
#define VIDEO_DRV_LOCK_PIXELS /* nothing */ |
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> |
#define VIDEO_DRV_UNLOCK_PIXELS /* nothing */ |
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#define VIDEO_DRV_ROW_BYTES VIDEO_DRV_IMAGE->bytes_per_line |
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#endif |
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|
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// Variables for Video on SEGV support |
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|
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|
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/* |
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* Check if VOSF acceleration is profitable on this platform |
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*/ |
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|
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const int VOSF_PROFITABLE_THRESHOLD = 8000; // 8 ms, aka (60 Hz / 2) for work processing |
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|
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static bool video_vosf_profitable(void) |
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{ |
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uint64 start = GetTicks_usec(); |
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|
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for (int i = 0; i < mainBuffer.pageCount; i++) { |
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uint8 *addr = (uint8 *)(mainBuffer.memStart + (i * mainBuffer.pageSize)); |
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memset(addr, 0, mainBuffer.pageSize); // Trigger Screen_fault_handler() |
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} |
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|
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uint64 end = GetTicks_usec(); |
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const int diff = end - start; |
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D(bug("Triggered %d screen faults in %ld usec\n", mainBuffer.pageCount, diff)); |
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|
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if (diff > (VOSF_PROFITABLE_THRESHOLD * (frame_skip + 1))) |
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return false; |
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|
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// Reset VOSF variables to initial state |
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PFLAG_CLEAR_ALL; |
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if (vm_protect((char *)mainBuffer.memStart, mainBuffer.memLength, VM_PAGE_READ) != 0) |
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return false; |
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mainBuffer.dirty = false; |
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return true; |
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} |
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|
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|
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/* |
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* Initialize the VOSF system (mainBuffer structure, SIGSEGV handler) |
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*/ |
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|
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static bool video_vosf_init(X11_MONITOR_INIT) |
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> |
static bool video_vosf_init(MONITOR_INIT) |
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{ |
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VIDEO_MODE_INIT; |
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|
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* Update display for Windowed mode and VOSF |
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*/ |
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|
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// From video_blit.cpp |
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extern void (*Screen_blit)(uint8 * dest, const uint8 * source, uint32 length); |
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extern bool Screen_blitter_init(XVisualInfo * visual_info, bool native_byte_order, int mac_depth); |
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extern uint32 ExpandMap[256]; |
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|
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/* How can we deal with array overrun conditions ? |
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|
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The state of the framebuffer pages that have been touched are maintained |
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const int y1 = mainBuffer.pageInfo[first_page].top; |
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const int y2 = mainBuffer.pageInfo[page - 1].bottom; |
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const int height = y2 - y1 + 1; |
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< |
|
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> |
|
388 |
> |
VIDEO_DRV_LOCK_PIXELS; |
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> |
|
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if (VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) { |
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|
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// Update the_host_buffer and copy of the_buffer |
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const int src_bytes_per_row = VIDEO_MODE_ROW_BYTES; |
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< |
const int dst_bytes_per_row = VIDEO_DRV_IMAGE->bytes_per_line; |
394 |
> |
const int dst_bytes_per_row = VIDEO_DRV_ROW_BYTES; |
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const int pixels_per_byte = VIDEO_MODE_X / src_bytes_per_row; |
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int i1 = y1 * src_bytes_per_row, i2 = y1 * dst_bytes_per_row, j; |
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for (j = y1; j <= y2; j++) { |
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|
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// Update the_host_buffer and copy of the_buffer |
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const int src_bytes_per_row = VIDEO_MODE_ROW_BYTES; |
407 |
< |
const int dst_bytes_per_row = VIDEO_DRV_IMAGE->bytes_per_line; |
407 |
> |
const int dst_bytes_per_row = VIDEO_DRV_ROW_BYTES; |
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const int bytes_per_pixel = src_bytes_per_row / VIDEO_MODE_X; |
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int i1 = y1 * src_bytes_per_row, i2 = y1 * dst_bytes_per_row, j; |
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for (j = y1; j <= y2; j++) { |
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} |
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} |
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|
417 |
+ |
VIDEO_DRV_UNLOCK_PIXELS; |
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+ |
|
419 |
+ |
#ifdef USE_SDL_VIDEO |
420 |
+ |
SDL_UpdateRect(drv->s, 0, y1, VIDEO_MODE_X, height); |
421 |
+ |
#else |
422 |
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if (VIDEO_DRV_HAVE_SHM) |
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XShmPutImage(x_display, VIDEO_DRV_WINDOW, VIDEO_DRV_GC, VIDEO_DRV_IMAGE, 0, y1, 0, y1, VIDEO_MODE_X, height, 0); |
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else |
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XPutImage(x_display, VIDEO_DRV_WINDOW, VIDEO_DRV_GC, VIDEO_DRV_IMAGE, 0, y1, 0, y1, VIDEO_MODE_X, height); |
426 |
+ |
#endif |
427 |
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} |
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mainBuffer.dirty = false; |
429 |
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} |
491 |
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|
492 |
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// Update the_host_buffer and copy of the_buffer |
493 |
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// There should be at least one pixel to copy |
494 |
+ |
VIDEO_DRV_LOCK_PIXELS; |
495 |
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const int width = x2 - x1 + 1; |
496 |
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i = y1 * bytes_per_row + x1 * bytes_per_pixel; |
497 |
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for (j = y1; j <= y2; j++) { |
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memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * width); |
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i += bytes_per_row; |
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} |
502 |
+ |
VIDEO_DRV_UNLOCK_PIXELS; |
503 |
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} |
504 |
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mainBuffer.dirty = false; |
505 |
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} |