diff options
-rw-r--r-- | video/cocoa_v.m | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/video/cocoa_v.m b/video/cocoa_v.m index 09049e9f6..774cab40e 100644 --- a/video/cocoa_v.m +++ b/video/cocoa_v.m @@ -1455,51 +1455,44 @@ static void QZ_WaitForVerticalBlank(void) CSleep((uint32)(adjustment * 1000)); } + static void QZ_DrawScreen(void) { - const uint8* src; - uint8* dst; - uint height; - uint width; - uint pitch; - uint y; - uint num_dirty_rects; - uint length_drawn; - uint left; + const uint8* src = _cocoa_video_data.pixels; + uint8* dst = (uint8*)_cocoa_video_data.realpixels; + uint pitch = _cocoa_video_data.pitch; + uint width = _cocoa_video_data.width; + uint num_dirty = _cocoa_video_data.num_dirty_rects; uint i; - src = _cocoa_video_data.pixels; - dst = (uint8*)_cocoa_video_data.realpixels; - width = _cocoa_video_data.width; - pitch = _cocoa_video_data.pitch; - num_dirty_rects = _cocoa_video_data.num_dirty_rects; - /* Check if we need to do anything */ - if (num_dirty_rects == 0 ) return; + if (num_dirty == 0) return; - if (num_dirty_rects >= MAX_DIRTY_RECTS) { - num_dirty_rects = 1; - _cocoa_video_data.dirty_rects[0].left = 0; - _cocoa_video_data.dirty_rects[0].top = 0; - _cocoa_video_data.dirty_rects[0].right = _cocoa_video_data.width; + if (num_dirty >= MAX_DIRTY_RECTS) { + num_dirty = 1; + _cocoa_video_data.dirty_rects[0].left = 0; + _cocoa_video_data.dirty_rects[0].top = 0; + _cocoa_video_data.dirty_rects[0].right = _cocoa_video_data.width; _cocoa_video_data.dirty_rects[0].bottom = _cocoa_video_data.height; } QZ_WaitForVerticalBlank(); /* Build the region of dirty rectangles */ - for (i = 0; i < num_dirty_rects; i++) { - - y = _cocoa_video_data.dirty_rects[i].top; - left = _cocoa_video_data.dirty_rects[i].left; - length_drawn = _cocoa_video_data.dirty_rects[i].right - left; - height = _cocoa_video_data.dirty_rects[i].bottom; - for (; y < height; y++) memcpy(dst + y * pitch + left, src + y * width +left, length_drawn); + for (i = 0; i < num_dirty; i++) { + uint y = _cocoa_video_data.dirty_rects[i].top; + uint left = _cocoa_video_data.dirty_rects[i].left; + uint length = _cocoa_video_data.dirty_rects[i].right - left; + uint bottom = _cocoa_video_data.dirty_rects[i].bottom; + + for (; y < bottom; y++) { + memcpy(dst + y * pitch + left, src + y * width + left, length); + } } _cocoa_video_data.num_dirty_rects = 0; - } + static int QZ_ListFullscreenModes(OTTDPoint* mode_list, int max_modes) { CFIndex num_modes; |