Esempio n. 1
0
void
TFB_DrawImage_FilledImage (TFB_Image *img, int x, int y, int scale,
		int r, int g, int b, TFB_Image *target)
{
	LockMutex (target->mutex);
	TFB_DrawCanvas_FilledImage (img, x, y, scale, r, g, b, target->NormalImg);
	target->dirty = TRUE;
	UnlockMutex (target->mutex);
}
Esempio n. 2
0
void
TFB_DrawImage_FilledImage (TFB_Image *img, int x, int y, int scale,
		int scaleMode, Color color, DrawMode mode, TFB_Image *target)
{
	LockMutex (target->mutex);
	TFB_DrawCanvas_FilledImage (img, x, y, scale, scaleMode, color,
			mode, target->NormalImg);
	target->dirty = TRUE;
	UnlockMutex (target->mutex);
}
Esempio n. 3
0
// Only call from main() thread!!
void
TFB_FlushGraphics (void)
{
	int commands_handled;
	BOOLEAN livelock_deterrence;

	// This is technically a locking violation on DrawCommandQueue.Size,
	// but it is likely to not be very destructive.
	if (DrawCommandQueue.Size == 0)
	{
		static int last_fade = 255;
		static int last_transition = 255;
		int current_fade = GetFadeAmount ();
		int current_transition = TransitionAmount;
		
		if ((current_fade != 255 && current_fade != last_fade) ||
			(current_transition != 255 &&
			current_transition != last_transition) ||
			(current_fade == 255 && last_fade != 255) ||
			(current_transition == 255 && last_transition != 255))
		{
			TFB_SwapBuffers (TFB_REDRAW_FADING);
					// if fading, redraw every frame
		}
		else
		{
			TaskSwitch ();
		}
		
		last_fade = current_fade;
		last_transition = current_transition;
		BroadcastCondVar (RenderingCond);
		return;
	}

	if (GfxFlags & TFB_GFXFLAGS_SHOWFPS)
		computeFPS ();

	commands_handled = 0;
	livelock_deterrence = FALSE;

	if (DrawCommandQueue.FullSize > DCQ_FORCE_BREAK_SIZE)
	{
		TFB_BatchReset ();
	}

	if (DrawCommandQueue.Size > DCQ_FORCE_SLOWDOWN_SIZE)
	{
		Lock_DCQ (-1);
		livelock_deterrence = TRUE;
	}

	TFB_BBox_Reset ();

	for (;;)
	{
		TFB_DrawCommand DC;

		if (!TFB_DrawCommandQueue_Pop (&DC))
		{
			// the Queue is now empty.
			break;
		}

		++commands_handled;
		if (!livelock_deterrence && commands_handled + DrawCommandQueue.Size
				> DCQ_LIVELOCK_MAX)
		{
			// log_add (log_Debug, "Initiating livelock deterrence!");
			livelock_deterrence = TRUE;
			
			Lock_DCQ (-1);
		}

		switch (DC.Type)
		{
			case TFB_DRAWCOMMANDTYPE_SETMIPMAP:
			{
				TFB_DrawCommand_SetMipmap *cmd = &DC.data.setmipmap;
				TFB_DrawImage_SetMipmap (cmd->image, cmd->mipmap,
						cmd->hotx, cmd->hoty);
				break;
			}

			case TFB_DRAWCOMMANDTYPE_IMAGE:
			{
				TFB_DrawCommand_Image *cmd = &DC.data.image;
				TFB_Image *DC_image = cmd->image;
				const int x = cmd->x;
				const int y = cmd->y;

				TFB_DrawCanvas_Image (DC_image, x, y,
						cmd->scale, cmd->scaleMode, cmd->colormap,
						cmd->drawMode,
						TFB_GetScreenCanvas (cmd->destBuffer));

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
				{
					LockMutex (DC_image->mutex);
					if (cmd->scale)
						TFB_BBox_RegisterCanvas (DC_image->ScaledImg,
								x - DC_image->last_scale_hs.x,
								y - DC_image->last_scale_hs.y);
					else
						TFB_BBox_RegisterCanvas (DC_image->NormalImg,
								x - DC_image->NormalHs.x,
								y - DC_image->NormalHs.y);
					UnlockMutex (DC_image->mutex);
				}

				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_FILLEDIMAGE:
			{
				TFB_DrawCommand_FilledImage *cmd = &DC.data.filledimage;
				TFB_Image *DC_image = cmd->image;
				const int x = cmd->x;
				const int y = cmd->y;

				TFB_DrawCanvas_FilledImage (DC_image, x, y,
						cmd->scale, cmd->scaleMode, cmd->color,
						cmd->drawMode,
						TFB_GetScreenCanvas (cmd->destBuffer));

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
				{
					LockMutex (DC_image->mutex);
					if (cmd->scale)
						TFB_BBox_RegisterCanvas (DC_image->ScaledImg,
								x - DC_image->last_scale_hs.x,
								y - DC_image->last_scale_hs.y);
					else
						TFB_BBox_RegisterCanvas (DC_image->NormalImg,
								x - DC_image->NormalHs.x,
								y - DC_image->NormalHs.y);
					UnlockMutex (DC_image->mutex);
				}

				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_FONTCHAR:
			{
				TFB_DrawCommand_FontChar *cmd = &DC.data.fontchar;
				TFB_Char *DC_char = cmd->fontchar;
				const int x = cmd->x;
				const int y = cmd->y;

				TFB_DrawCanvas_FontChar (DC_char, cmd->backing, x, y,
						cmd->drawMode, TFB_GetScreenCanvas (cmd->destBuffer));

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
				{
					RECT r;
					
					r.corner.x = x - DC_char->HotSpot.x;
					r.corner.y = y - DC_char->HotSpot.y;
					r.extent.width = DC_char->extent.width;
					r.extent.height = DC_char->extent.height;

					TFB_BBox_RegisterRect (&r);
				}

				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_LINE:
			{
				TFB_DrawCommand_Line *cmd = &DC.data.line;

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
				{
					TFB_BBox_RegisterPoint (cmd->x1, cmd->y1);
					TFB_BBox_RegisterPoint (cmd->x2, cmd->y2);
				}
				TFB_DrawCanvas_Line (cmd->x1, cmd->y1, cmd->x2, cmd->y2,
						cmd->color, cmd->drawMode,
						TFB_GetScreenCanvas (cmd->destBuffer));
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_RECTANGLE:
			{
				TFB_DrawCommand_Rect *cmd = &DC.data.rect;

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
					TFB_BBox_RegisterRect (&cmd->rect);
				TFB_DrawCanvas_Rect (&cmd->rect, cmd->color, cmd->drawMode,
						TFB_GetScreenCanvas (cmd->destBuffer));

				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_SCISSORENABLE:
			{
				TFB_DrawCommand_Scissor *cmd = &DC.data.scissor;

				TFB_DrawCanvas_SetClipRect (
						TFB_GetScreenCanvas (TFB_SCREEN_MAIN), &cmd->rect);
				TFB_BBox_SetClipRect (&DC.data.scissor.rect);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_SCISSORDISABLE:
				TFB_DrawCanvas_SetClipRect (
						TFB_GetScreenCanvas (TFB_SCREEN_MAIN), NULL);
				TFB_BBox_SetClipRect (NULL);
				break;
			
			case TFB_DRAWCOMMANDTYPE_COPYTOIMAGE:
			{
				TFB_DrawCommand_CopyToImage *cmd = &DC.data.copytoimage;
				TFB_Image *DC_image = cmd->image;
				const POINT dstPt = {0, 0};

				if (DC_image == 0)
				{
					log_add (log_Debug, "DCQ ERROR: COPYTOIMAGE passed null "
							"image ptr");
					break;
				}
				LockMutex (DC_image->mutex);
				TFB_DrawCanvas_CopyRect (
						TFB_GetScreenCanvas (cmd->srcBuffer), &cmd->rect,
						DC_image->NormalImg, dstPt);
				UnlockMutex (DC_image->mutex);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_COPY:
			{
				TFB_DrawCommand_Copy *cmd = &DC.data.copy;
				const RECT r = cmd->rect;

				if (cmd->destBuffer == TFB_SCREEN_MAIN)
					TFB_BBox_RegisterRect (&cmd->rect);

				TFB_DrawCanvas_CopyRect	(
						TFB_GetScreenCanvas (cmd->srcBuffer), &r,
						TFB_GetScreenCanvas (cmd->destBuffer), r.corner);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_DELETEIMAGE:
			{
				TFB_Image *DC_image = DC.data.deleteimage.image;
				TFB_DrawImage_Delete (DC_image);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_DELETEDATA:
			{
				void *data = DC.data.deletedata.data;
				HFree (data);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_SENDSIGNAL:
				ClearSemaphore (DC.data.sendsignal.sem);
				break;
			
			case TFB_DRAWCOMMANDTYPE_REINITVIDEO:
			{
				TFB_DrawCommand_ReinitVideo *cmd = &DC.data.reinitvideo;
				int oldDriver = GraphicsDriver;
				int oldFlags = GfxFlags;
				int oldWidth = ScreenWidthActual;
				int oldHeight = ScreenHeightActual;
				// JMS_GFX: Added resolutionFactor
				if (TFB_ReInitGraphics (cmd->driver, cmd->flags,
						cmd->width, cmd->height, resolutionFactor))
				{
					log_add (log_Error, "Could not provide requested mode: "
							"reverting to last known driver.");
					// We don't know what exactly failed, so roll it all back
					if (TFB_ReInitGraphics (oldDriver, oldFlags,
							oldWidth, oldHeight, resolutionFactor))
					{
						log_add (log_Fatal,
								"Couldn't reinit at that point either. "
								"Your video has been somehow tied in knots.");
						exit (EXIT_FAILURE);
					}
				}
				TFB_SwapBuffers (TFB_REDRAW_YES);
				break;
			}
			
			case TFB_DRAWCOMMANDTYPE_CALLBACK:
			{
				DC.data.callback.callback (DC.data.callback.arg);
				break;
			}
		}
	}
	
	if (livelock_deterrence)
		Unlock_DCQ ();

	TFB_SwapBuffers (TFB_REDRAW_NO);
	RenderedFrames++;
	BroadcastCondVar (RenderingCond);
}