259 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			259 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2000 Keith Packard
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that
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|  * copyright notice and this permission notice appear in supporting
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|  * documentation, and that the name of Keith Packard not be used in
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|  * advertising or publicity pertaining to distribution of the software without
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|  * specific, written prior permission.  Keith Packard makes no
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|  * representations about the suitability of this software for any purpose.  It
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|  * is provided "as is" without express or implied warranty.
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|  *
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|  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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|  * PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #ifndef _IGSDRAW_H_
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| #define _IGSDRAW_H_
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| 
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| extern CARD8	igsPatRop[];
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| 
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| #define SetupIgs(s) KdScreenPriv(s); \
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| 		    igsCardInfo(pScreenPriv); \
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| 		    Cop5xxx *cop = igsc->cop; \
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| 		    int	    cop_stride = pScreenPriv->screen->fb[0].pixelStride
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| 
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| #define _igsWaitLoop(cop,mask,value) { \
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|     int __loop = 1000000; \
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|     while (((cop)->control & (mask)) != (value)) { \
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| 	if (--__loop <= 0) { \
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| 	    FatalError("Warning: igsWaitLoop 0x%x 0x%x failed\n", mask, value); \
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| 	} \
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|     } \
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| }
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| 
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| #define _igsWaitDone(cop)   _igsWaitLoop(cop, \
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| 					 (IGS_CONTROL_BUSY| \
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| 					  IGS_CONTROL_MALLWBEPTZ), \
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| 					 0)
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| 
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| #if 1
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| #define _igsWaitFull(cop)   _igsWaitLoop(cop, \
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| 					 IGS_CONTROL_CMDFF, \
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| 					 0)
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| #else
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| #define _igsWaitFull(cop)   _igsWaitDone(cop)
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| #endif
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| 
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| #define _igsWaitIdleEmpty(cop)	_igsWaitDone(cop)
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| #define _igsWaitHostBltAck(cop)	_igsWaitLoop(cop, \
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| 					     (IGS_CONTROL_HBACKZ| \
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| 					      IGS_CONTROL_CMDFF), \
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| 					     0)
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| 					      
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| #define _igsReset(cop)		((cop)->control = 0)
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| 
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| #define IgsInvertBits32(v) { \
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|     v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
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|     v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
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|     v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
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| }
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| 
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| #define IgsInvertBits16(v) { \
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|     v = ((v & 0x5555) << 1) | ((v >> 1) & 0x5555); \
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|     v = ((v & 0x3333) << 2) | ((v >> 2) & 0x3333); \
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|     v = ((v & 0x0f0f) << 4) | ((v >> 4) & 0x0f0f); \
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| }
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| 
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| #define IgsInvertBits8(v) { \
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|     v = ((v & 0x55) << 1) | ((v >> 1) & 0x55); \
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|     v = ((v & 0x33) << 2) | ((v >> 2) & 0x33); \
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|     v = ((v & 0x0f) << 4) | ((v >> 4) & 0x0f); \
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| }
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| 
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| #define IgsByteSwap32(x)    	((x) = (((x) >> 24) | \
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| 					(((x) >> 8) & 0xff00) | \
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| 					(((x) << 8) & 0xff0000) | \
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| 					((x) << 24)))
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| 
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| #define IgsByteSwap16(x)    	((x) = ((x) << 8) | ((x) >> 8))
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| 
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| #define igsPatternDimOk(d)  ((d) <= IGS_PATTERN_WIDTH && (((d) & ((d) - 1)) == 0))
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| 
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| #if BITMAP_BIT_ORDER == LSBFirst
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| #define IgsAdjustBits32(b)	IgsInvertBits32(b)
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| #define IgsAdjustBits16(x)	IgsInvertBits16(x)
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| #else
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| #define IgsAdjustBits32(x)	IgsByteSwap32(x)
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| #define IgsAdjustBits16(x)	IgsByteSwap16(x)
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| #endif
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| 
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| #define _igsSetSolidRect(cop,alu,pm,pix,cmd) {\
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|     _igsWaitFull(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(alu,alu); \
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|     (cop)->fg = (pix); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_FG | \
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| 	     IGS_HBLT_DISABLE | \
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| 	     IGS_SRC2_NORMAL | \
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| 	     IGS_STEP_PXBLT | \
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| 	     IGS_FGS_FG | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsSetTiledRect(cop,alu,pm,base,cmd) {\
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|     _igsWaitFull(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(alu,alu); \
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|     (cop)->src1_stride = IGS_PATTERN_WIDTH - 1; \
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|     (cop)->src1_start = (base); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_TILE | \
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| 	     IGS_HBLT_DISABLE | \
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| 	     IGS_SRC2_NORMAL | \
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| 	     IGS_STEP_PXBLT | \
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| 	     IGS_FGS_SRC | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsSetStippledRect(cop,alu,pm,pix,base,cmd) {\
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|     _igsWaitFull(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(alu,alu); \
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|     (cop)->src1_start = (base); \
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|     (cop)->fg = (pix); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_STIP_TRANS | \
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| 	     IGS_HBLT_DISABLE | \
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| 	     IGS_SRC2_NORMAL | \
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| 	     IGS_STEP_PXBLT | \
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| 	     IGS_FGS_FG | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsSetOpaqueStippledRect(cop,alu,pm,_fg,_bg,base,cmd) {\
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|     _igsWaitFull(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(alu,alu); \
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|     (cop)->src1_start = (base); \
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|     (cop)->fg = (_fg); \
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|     (cop)->bg = (_bg); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_STIP_OPAQUE | \
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| 	     IGS_HBLT_DISABLE | \
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| 	     IGS_SRC2_NORMAL | \
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| 	     IGS_STEP_PXBLT | \
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| 	     IGS_FGS_FG | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsRect(cop,x,y,w,h,cmd) { \
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|     _igsWaitFull(cop); \
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|     (cop)->dst_start = (x) + (y) * (cop_stride); \
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|     (cop)->dim = IGS_MAKE_DIM(w-1,h-1); \
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|     (cop)->operation = (cmd); \
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| }
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| 
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| #define _igsPatRect(cop,x,y,w,h,cmd) { \
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|     _igsWaitFull(cop); \
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|     (cop)->dst_start = (x) + (y) * (cop_stride); \
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|     (cop)->rotate = IGS_MAKE_ROTATE(x&7,y&7); \
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|     (cop)->dim = IGS_MAKE_DIM(w-1,h-1); \
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|     (cop)->operation = (cmd); \
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| }
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| 
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| #define _igsSetBlt(cop,alu,pm,backwards,upsidedown,cmd) { \
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|     _igsWaitFull(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(alu,alu); \
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|     (cop)->src1_stride = cop_stride - 1; \
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|     (cmd) = (IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_FG | \
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| 	     IGS_HBLT_DISABLE | \
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| 	     IGS_SRC2_NORMAL | \
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| 	     IGS_STEP_PXBLT | \
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| 	     IGS_FGS_SRC | \
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| 	     IGS_BGS_BG); \
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|     if (backwards) (cmd) |= IGS_DRAW_R_L; \
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|     if (upsidedown) (cmd) |= IGS_DRAW_B_T; \
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| }
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| 
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| #if 0
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| #define _igsPreparePlaneBlt(cop) { \
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|     _igsReset(cop); \
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|     (cop)->dst_stride = cop_stride - 1; \
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|     (cop)->src1_stride = cop_stride - 1; \
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|     (cop)->src2_stride = cop_stride - 1; \
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|     (cop)->format = IGS_FORMAT_16BPP;  \
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|     (cop)->src1_start = 0; \
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|     (cop)->src2_start = 0; \
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| }
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| #else
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| #define _igsPreparePlaneBlt(cop)
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| #endif
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|     
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| #define _igsSetTransparentPlaneBlt(cop,alu,pm,fg_pix,cmd) { \
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|     _igsWaitIdleEmpty(cop); \
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|     _igsPreparePlaneBlt(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(igsPatRop[alu],igsPatRop[alu]); \
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|     (cop)->fg = (fg_pix); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_FG | \
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| 	     IGS_HBLT_WRITE_2 | \
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| 	     IGS_SRC2_MONO_TRANS | \
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| 	     IGS_STEP_TERNARY_PXBLT | \
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| 	     IGS_FGS_FG | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsSetOpaquePlaneBlt(cop,alu,pm,fg_pix,bg_pix,cmd) { \
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|     _igsWaitIdleEmpty(cop); \
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|     _igsPreparePlaneBlt(cop); \
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|     (cop)->mix = IGS_MAKE_MIX(igsPatRop[alu],igsPatRop[alu]); \
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|     (cop)->fg = (fg_pix); \
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|     (cop)->bg = (bg_pix); \
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|     (cmd) = (IGS_DRAW_T_B | \
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| 	     IGS_DRAW_L_R | \
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| 	     IGS_DRAW_ALL | \
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| 	     IGS_PIXEL_FG | \
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| 	     IGS_HBLT_WRITE_2 | \
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| 	     IGS_SRC2_MONO_OPAQUE | \
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| 	     IGS_STEP_TERNARY_PXBLT | \
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| 	     IGS_FGS_FG | \
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| 	     IGS_BGS_BG); \
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| }
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| 
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| #define _igsPlaneBlt(cop,x,y,w,h,cmd) { \
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| /*    _igsWaitFull(cop); */ \
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|     (cop)->dst_start = (x) + (y) * (cop_stride); \
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|     (cop)->dim = IGS_MAKE_DIM((w)-1,(h)-1); \
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|     (cop)->operation = (cmd); \
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| /*    _igsWaitHostBltAck(cop); */ \
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| }
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|     
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| #define _igsBlt(cop,sx,sy,dx,dy,w,h,cmd) { \
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|     _igsWaitFull(cop); \
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|     (cop)->dst_start = (dx) + (dy) * cop_stride; \
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|     (cop)->src1_start = (sx) + (sy) * cop_stride; \
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|     (cop)->src1_stride = cop_stride - 1; \
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|     (cop)->dim = IGS_MAKE_DIM(w-1,h-1); \
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|     (cop)->operation = (cmd); \
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| }
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| 
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| #define sourceInvarient(alu)	(((alu) & 3) == (((alu) >> 2) & 3))
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| 
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| #endif
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