Recoded flash_rect to not use the DCQ except for screen blitting -PBlue
git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@479 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
ghaushe
@@ -1,4 +1,5 @@
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0.2:
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- Recoded flash_rect to not use the DCQ except for screen blitting -PBlue
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- Replaced add_sub_frame with arith_frame_blit -PhracturedBlue
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- Crosshair in orbit leaving light trace to image in OpenGL mode fixed -Mika
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- Planet scan should now take ~2secs on all computers -PhracturedBlue
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+134
-63
@@ -928,91 +928,153 @@ CountSISPieces (BYTE piece_type)
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static Task flash_task;
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static RECT flash_rect;
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static FRAME flash_frame;
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static FRAME flash_frame = NULL, flash_extra_frame = NULL;
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static flash_changed = 0;
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void arith_frame_blit (FRAME f1, RECT *r1, FRAME f2, RECT *r2, int num, int denom);
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int flash_rect_func(void *data)
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{
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#define NORMAL_STRENGTH 4
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#define NORMAL_F_STRENGTH 0
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#define MIN_F_STRENGTH -3
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#define MAX_F_STRENGTH 3
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#define MIN_STRENGTH 4
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#define MAX_STRENGTH 6
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DWORD TimeIn, WaitTime;
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SIZE strength, fstrength, incr;
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Task task = (Task)data;
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FRAME FlashFrame= NULL;
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FRAME cur_frame = NULL;
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FRAME BackupExtraFrame = NULL;
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CONTEXT OldContext;
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RECT old_rect;
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int pos, max_pos;
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fstrength = NORMAL_F_STRENGTH;
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incr = 1;
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strength = NORMAL_STRENGTH;
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TimeIn = GetTimeCounter ();
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WaitTime = ONE_SECOND / 16;
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while (!Task_ReadState(task, TASK_EXIT))
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{
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CONTEXT OldContext;
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SetSemaphore (GraphicsSem);
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OldContext = SetContext (ScreenContext);
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if (flash_rect.extent.width)
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if (flash_changed)
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{
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BatchGraphics ();
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SetContextClipRect (&flash_rect);
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if (flash_frame)
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// FlushGraphics is called because it is necessary that the DCQ empties
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// and thus initializes flash_extra_frame before generating the individual
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// flash frames
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ClearSemaphore (GraphicsSem);
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FlushGraphics ();
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SetSemaphore (GraphicsSem);
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flash_changed = 0;
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if (FlashFrame)
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DestroyDrawable (ReleaseDrawable (FlashFrame));
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FlashFrame = 0;
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BackupExtraFrame = flash_extra_frame;
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old_rect = flash_rect;
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if (flash_rect.extent.width && flash_extra_frame)
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{
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#define MIN_F_STRENGTH -3
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#define MAX_F_STRENGTH 3
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if ((fstrength += incr) > MAX_F_STRENGTH)
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// There is something to flash
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int i;
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if (flash_frame)
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{
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fstrength = MAX_F_STRENGTH - 1;
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incr = -1;
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// Flash an image. This is used for the startup screen
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FlashFrame = CaptureDrawable (
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CreateDrawable (WANT_PIXMAP, flash_rect.extent.width,
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flash_rect.extent.height,
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(COUNT)(1 + MAX_F_STRENGTH - MIN_F_STRENGTH))
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);
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for (i = 1, fstrength = MIN_F_STRENGTH;
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fstrength <= MAX_F_STRENGTH; i++, fstrength++)
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{
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cur_frame = SetAbsFrameIndex (FlashFrame, (COUNT)i);
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if (fstrength == NORMAL_F_STRENGTH)
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{
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arith_frame_blit (flash_extra_frame, NULL,
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cur_frame, NULL, 0, 0);
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pos = i;
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}
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else
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{
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arith_frame_blit (flash_frame, NULL, cur_frame, NULL,
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(fstrength > 0) ? fstrength : -fstrength, 16);
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if (fstrength < 0)
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// add to -(partial mask)
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arith_frame_blit (flash_extra_frame, NULL, cur_frame, NULL, -8, 8);
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else
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// add to (partial mask)
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arith_frame_blit (flash_extra_frame, NULL, cur_frame, NULL, 8, -8);
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}
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}
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max_pos = i;
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}
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else if (fstrength < MIN_F_STRENGTH)
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else
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{
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fstrength = MIN_F_STRENGTH + 1;
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incr = 1;
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// Flash a rectangle
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FlashFrame = CaptureDrawable (
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CreateDrawable (WANT_PIXMAP, flash_rect.extent.width,
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flash_rect.extent.height, (COUNT)(1 + ((MAX_STRENGTH - MIN_STRENGTH) >> 1)))
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);
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for (i = 1, strength = MIN_STRENGTH; strength <= MAX_STRENGTH; i++, strength += 2)
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{
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cur_frame = SetAbsFrameIndex (FlashFrame, (COUNT)i);
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arith_frame_blit (flash_extra_frame, NULL, cur_frame, NULL, strength, 4);
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}
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pos = 1;
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max_pos = i;
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}
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if (fstrength != NORMAL_F_STRENGTH)
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{
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STAMP s;
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ClearDrawable ();
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SetGraphicStrength (fstrength > 0 ? fstrength : -fstrength, 16);
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s.origin.x = s.origin.y = 0;
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s.frame = flash_frame;
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DrawStamp (&s);
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if (fstrength < 0)
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SetGraphicStrength (-8, 8); // add to -(partial mask)
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else
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SetGraphicStrength (8, -8); // add to (partial mask)
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}
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DrawFromExtraScreen (&flash_rect);
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incr = 1;
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}
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else
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{
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#define MIN_STRENGTH 4
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#define MAX_STRENGTH 6
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if ((strength += 2) > MAX_STRENGTH)
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strength = MIN_STRENGTH;
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SetGraphicStrength (strength, 4);
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DrawFromExtraScreen (&flash_rect);
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}
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SetContextClipRect (NULL_PTR); // this will flush whatever
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SetGraphicStrength (4, 4);
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UnbatchGraphics ();
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TimeIn = GetTimeCounter ();
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WaitTime = ONE_SECOND / 16;
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}
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SetContext (OldContext);
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ClearSemaphore (GraphicsSem);
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FlushGraphics ();
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if (flash_rect.extent.width && FlashFrame)
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{
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STAMP s;
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if ((pos += incr) == max_pos)
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{
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pos--;
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incr = -1;
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}
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if (pos == 0)
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{
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pos =1;
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incr =1;
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}
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OldContext = SetContext (ScreenContext);
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SetContextClipRect (&flash_rect);
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s.origin.x = s.origin.y = 0;
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s.frame = SetAbsFrameIndex (FlashFrame, (COUNT)pos);
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DrawStamp (&s);
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SetContextClipRect (NULL_PTR); // this will flush whatever
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SetContext (OldContext);
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ClearSemaphore (GraphicsSem);
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FlushGraphics ();
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}
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else
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ClearSemaphore (GraphicsSem);
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SleepThreadUntil (TimeIn + WaitTime);
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TimeIn = GetTimeCounter ();
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}
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if (FlashFrame)
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DestroyDrawable (ReleaseDrawable (FlashFrame));
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SetSemaphore (GraphicsSem);
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// how is it possible for extent to have '0' values?
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// it is bad to call DrawStamp in that case though
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if (BackupExtraFrame && BackupExtraFrame == flash_extra_frame &&
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old_rect.extent.width && old_rect.extent.height)
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{
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STAMP s;
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OldContext = SetContext (ScreenContext);
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SetContextClipRect (&old_rect);
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s.origin.x = s.origin.y = 0;
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s.frame = flash_extra_frame;
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DrawStamp (&s);
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SetContextClipRect (NULL_PTR); // this will flush whatever
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SetContext (OldContext);
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DestroyDrawable (ReleaseDrawable (flash_extra_frame));
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flash_extra_frame = 0;
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}
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ClearSemaphore (GraphicsSem);
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flash_task = 0;
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FinishTask (task);
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return(0);
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@@ -1071,20 +1133,29 @@ SetFlashRect (PRECT pRect, FRAME f)
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flash_frame = f;
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if (old_r.extent.width
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if (flash_extra_frame && old_r.extent.width
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&& (old_r.extent.width != flash_rect.extent.width
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|| old_r.extent.height != flash_rect.extent.height
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|| old_r.corner.x != flash_rect.corner.x
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|| old_r.corner.y != flash_rect.corner.y
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|| old_f != flash_frame))
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{
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DrawFromExtraScreen (&old_r);
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STAMP s;
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s.origin.x = old_r.corner.x;
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s.origin.y = old_r.corner.y;
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s.frame = flash_extra_frame;
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DrawStamp (&s);
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}
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if (flash_rect.extent.width)
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{
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LoadIntoExtraScreen (&flash_rect);
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if (flash_extra_frame)
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DestroyDrawable (ReleaseDrawable (flash_extra_frame));
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flash_extra_frame = CaptureDrawable (LoadDisplayPixmap (
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&flash_rect, (FRAME)0)
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);
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}
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flash_changed = 1;
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SetContext (OldContext);
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}
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