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(svn r4100) -Backported 4082 and 4099 

the cocoa driver no longer crashes when going to fullscreen (this one depended on the resolution)
	teh cocoa driver speedup of around 1000% applies to Intel macs, so the driver is now just as fast as the PPC one
This commit is contained in:
bjarni 2006-03-25 07:40:02 +00:00
parent 37835e9158
commit b320aa40fa
1 changed files with 31 additions and 42 deletions
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73
video/cocoa_v.m
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@ -1507,54 +1507,41 @@ static void QZ_DrawScreen(void)
uint width;
uint pitch;
uint y;
uint num_dirty_rects;
uint length_drawn;
uint left;
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;
#ifdef __POWERPC__
// PPC appears to handle updating of rectangles right
{
uint num_dirty_rects;
uint length_drawn;
uint left;
uint i;
/* Check if we need to do anything */
if (num_dirty_rects == 0 ) return;
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_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;
_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 + 1;
height = _cocoa_video_data.dirty_rects[i].bottom;
for (; y <= height; y++) memcpy(dst + y * pitch + left, src + y * width +left, length_drawn);
}
_cocoa_video_data.num_dirty_rects = 0;
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;
_cocoa_video_data.dirty_rects[0].bottom = _cocoa_video_data.height;
}
#else
// it appears that Intel based macs didn't like to only update parts of the screen at a time, so they still update everything at each frame
// we need to switch to use Quartz exclusively (no QuickDraw commands at all) to fix this
// to use Quartz exclusively, we should use 16 or 32 bit graphics since 8 bit coloured graphic support sucks
height = _cocoa_video_data.height;
QZ_WaitForVerticalBlank();
for (y = 0; y < height; y++) memcpy(dst + y * pitch, src + y * width, width);
#endif
/* 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);
}
_cocoa_video_data.num_dirty_rects = 0;
}
static int QZ_ListFullscreenModes (OTTDPoint *mode_list, int max_modes) {
@ -1701,9 +1688,11 @@ static void QZ_UpdateVideoModes(void)
current_modes = _default_resolutions;
}
for(i = 0, j = 0; j < lengthof(_resolutions) && i < count; i++) {
if (_cocoa_video_data.fullscreen || ((uint) current_modes[i].x <= _cocoa_video_data.device_width &&
(uint) current_modes[i].y <= _cocoa_video_data.device_height)) {
for (i = 0, j = 0; j < lengthof(_resolutions) && i < count; i++) {
if (_cocoa_video_data.fullscreen || (
(uint)current_modes[i].x < _cocoa_video_data.device_width &&
(uint)current_modes[i].y < _cocoa_video_data.device_height)
) {
_resolutions[j][0] = current_modes[i].x;
_resolutions[j][1] = current_modes[i].y;
j++;