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New cacheing scheme for flash-frame (try 2). This one is much simpler

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than the previous attempt at optimization, shouldn't have any of the
races, and has much lower overhead.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@569 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
ghaushe
2003-01-19 04:55:36 +00:00
parent 32c0bf4723
commit 95c703ac69
2 changed files with 96 additions and 28 deletions
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sc2/ChangeLog
+1
View File
@@ -1,4 +1,5 @@
Changes towards version 0.2:
- New flash-thread cacheing scheme - PhracturedBlue
- Voice-over / subtitle synch is done - PhracturedBlue
- Optimized DCQ to be much smaller and faster
- Added stat data in outfit screen (use --font=pc) - from Nic
sc2/src/sc2code/sis.c
+95 -28
View File
@@ -1123,15 +1123,28 @@ CountSISPieces (BYTE piece_type)
Task flash_task = 0;
RECT flash_rect;
static FRAME flash_frame;
static int flash_changed;
Mutex flash_mutex = 0;
int flash_rect_func(void *data)
{
#define NORMAL_STRENGTH 4
#define NORMAL_F_STRENGTH 0
#define CACHE_SIZE 10
DWORD TimeIn, WaitTime;
SIZE strength, fstrength, incr;
RECT new_rect;
FRAME new_frame;
Task task = (Task)data;
int cached[CACHE_SIZE];
STAMP cached_stamp[CACHE_SIZE];
int i;
for (i = 0; i < CACHE_SIZE; i++)
{
cached[i] = 0;
cached_stamp[i].frame = 0;
}
fstrength = NORMAL_F_STRENGTH;
incr = 1;
strength = NORMAL_STRENGTH;
@@ -1141,14 +1154,33 @@ int flash_rect_func(void *data)
{
CONTEXT OldContext;
LockMutex (flash_mutex);
if (flash_changed)
{
new_rect = flash_rect;
new_frame = flash_frame;
flash_changed = 0;
UnlockMutex (flash_mutex);
// Wait for the ExtraScreen to get initialized
FlushGraphics ();
for (i = 0; i < CACHE_SIZE; i++)
{
cached[i] = 0;
if(cached_stamp[i].frame)
DestroyDrawable (ReleaseDrawable (cached_stamp[i].frame));
cached_stamp[i].frame = 0;
}
}
else
UnlockMutex (flash_mutex);
SetSemaphore (GraphicsSem);
OldContext = SetContext (ScreenContext);
if (flash_rect.extent.width)
if (new_rect.extent.width)
{
BatchGraphics ();
SetContextClipRect (&flash_rect);
if (flash_frame)
SetContextClipRect (&new_rect);
if (new_frame)
{
#define MIN_F_STRENGTH -3
#define MAX_F_STRENGTH 3
@@ -1162,26 +1194,39 @@ int flash_rect_func(void *data)
fstrength = MIN_F_STRENGTH + 1;
incr = 1;
}
if (fstrength != NORMAL_F_STRENGTH)
if (cached[fstrength - MIN_F_STRENGTH])
DrawStamp (&cached_stamp[fstrength - MIN_F_STRENGTH]);
else
{
STAMP s;
if (fstrength != NORMAL_F_STRENGTH)
{
STAMP s;
ClearDrawable ();
ClearDrawable ();
SetGraphicStrength (fstrength > 0 ? fstrength : -fstrength, 16);
SetGraphicStrength (fstrength > 0 ? fstrength : -fstrength, 16);
s.origin.x = s.origin.y = 0;
s.frame = flash_frame;
DrawStamp (&s);
s.origin.x = s.origin.y = 0;
s.frame = new_frame;
DrawStamp (&s);
if (fstrength < 0)
SetGraphicStrength (-8, 8); // add to -(partial mask)
else
SetGraphicStrength (8, -8); // add to (partial mask)
if (fstrength < 0)
SetGraphicStrength (-8, 8); // add to -(partial mask)
else
SetGraphicStrength (8, -8); // add to (partial mask)
}
DrawFromExtraScreen (&new_rect);
SetGraphicStrength (4, 4);
{
STAMP *pStamp;
pStamp = &cached_stamp[fstrength - MIN_F_STRENGTH];
cached[fstrength - MIN_F_STRENGTH] = 1;
pStamp->origin.x = 0;
pStamp->origin.y = 0;
pStamp->frame = CaptureDrawable (LoadDisplayPixmap (&new_rect, (FRAME)0));
}
}
DrawFromExtraScreen (&flash_rect);
}
else
{
@@ -1189,15 +1234,27 @@ int flash_rect_func(void *data)
#define MAX_STRENGTH 6
if ((strength += 2) > MAX_STRENGTH)
strength = MIN_STRENGTH;
SetGraphicStrength (strength, 4);
DrawFromExtraScreen (&flash_rect);
if (cached[strength - MIN_STRENGTH])
DrawStamp (&cached_stamp[strength - MIN_STRENGTH]);
else
{
SetGraphicStrength (strength, 4);
DrawFromExtraScreen (&new_rect);
SetGraphicStrength (4, 4);
{
STAMP *pStamp;
pStamp = &cached_stamp[strength - MIN_STRENGTH];
cached[strength - MIN_STRENGTH] = 1;
pStamp->origin.x = 0;
pStamp->origin.y = 0;
pStamp->frame = CaptureDrawable (LoadDisplayPixmap (&new_rect, (FRAME)0));
}
}
}
SetContextClipRect (NULL_PTR); // this will flush whatever
SetGraphicStrength (4, 4);
UnbatchGraphics ();
}
SetContext (OldContext);
@@ -1218,7 +1275,10 @@ SetFlashRect (PRECT pRect, FRAME f)
RECT clip_r, temp_r, old_r;
CONTEXT OldContext;
FRAME old_f;
int create_flash = 0;
if (! flash_mutex);
flash_mutex = CreateMutex ();
if (pRect != (PRECT)~0L)
{
GetContextClipRect (&clip_r);
@@ -1265,12 +1325,8 @@ SetFlashRect (PRECT pRect, FRAME f)
flash_rect.corner.y += clip_r.corner.y;
flash_rect.extent.height += flash_rect.corner.y & 1;
flash_rect.corner.y &= ~1;
create_flash = 1;
if (flash_task == 0)
{
flash_task = AssignTask (flash_rect_func, 2048,
"flash rectangle");
}
}
flash_frame = f;
@@ -1289,6 +1345,17 @@ SetFlashRect (PRECT pRect, FRAME f)
{
LoadIntoExtraScreen (&flash_rect);
}
LockMutex (flash_mutex);
flash_changed = 1;
UnlockMutex (flash_mutex);
// we create the thread after the LoadIntoExtraScreen
// so there is no race between the FlushGraphics in flash_task
// and the Enqueue in LoadIntoExtraScreen
if (create_flash && flash_task == 0)
{
flash_task = AssignTask (flash_rect_func, 2048,
"flash rectangle");
}
SetContext (OldContext);
}