238 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			238 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2003 Eric Anholt
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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 Eric Anholt 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.  Eric Anholt 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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|  * ERIC ANHOLT 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 ERIC ANHOLT 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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| #ifdef USE_DMA
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| #define TAG(x)		x##DMA
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| #define LOCALS		RING_LOCALS; \
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| 			(void)atic
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| #define BEGIN(x)	BEGIN_RING(x * 2)
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| #define OUT_REG(reg, val) OUT_RING_REG(reg, val)
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| #define END()		ADVANCE_RING()
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| #else
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| #define TAG(x)		x##MMIO
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| #define LOCALS		char *mmio = atic->reg_base; \
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| 			(void)atis
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| #define BEGIN(x)	ATIWaitAvailMMIO(x)
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| #define OUT_REG(reg, val) MMIO_OUT32((mmio), (reg), (val))
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| #define END()
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| #endif
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| 
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| static Bool
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| TAG(ATISetup)(PixmapPtr pDst, PixmapPtr pSrc)
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| {
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| 	KdScreenPriv(pDst->drawable.pScreen);
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| 	ATIScreenInfo(pScreenPriv);
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| 	ATICardInfo(pScreenPriv);
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| 	int dst_offset, dst_pitch;
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| 	int bpp = pDst->drawable.bitsPerPixel;
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| 	LOCALS;
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| 
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| 	accel_atis = atis;
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| 
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| 	dst_pitch = pDst->devKind;
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| 	dst_offset = ((CARD8 *)pDst->devPrivate.ptr -
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| 	    pScreenPriv->screen->memory_base);
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| 	if ((dst_pitch & (atis->kaa.offscreenPitch - 1)) != 0)
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| 		ATI_FALLBACK(("Bad dst pitch 0x%x\n", dst_pitch));
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| 	if ((dst_offset & (atis->kaa.offscreenByteAlign - 1)) != 0)
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| 		ATI_FALLBACK(("Bad dst offset 0x%x\n", dst_offset));
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| 
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| 	if (pSrc != NULL) {
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| 		src_pitch = pSrc->devKind;
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| 		src_offset = ((CARD8 *)pSrc->devPrivate.ptr -
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| 		    pScreenPriv->screen->memory_base);
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| 		if ((src_pitch & (atis->kaa.offscreenPitch - 1)) != 0)
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| 			ATI_FALLBACK(("Bad src pitch 0x%x\n", src_pitch));
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| 		if ((src_offset & (atis->kaa.offscreenByteAlign - 1)) != 0)
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| 			ATI_FALLBACK(("Bad src offset 0x%x\n", src_offset));
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| 	}
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| 
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| #ifdef USE_DMA
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| 	if (atic->is_radeon && !atic->is_r200)
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| 		RadeonSwitchTo2D();
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| #endif
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| 	BEGIN((pSrc != NULL) ? 3 : 2);
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| 	if (atic->is_radeon) {
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| 		OUT_REG(RADEON_REG_DST_PITCH_OFFSET,
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| 		    ((dst_pitch >> 6) << 22) | (dst_offset >> 10));
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| 		if (pSrc != NULL) {
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| 			OUT_REG(RADEON_REG_SRC_PITCH_OFFSET,
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| 			    ((src_pitch >> 6) << 22) | (src_offset >> 10));
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| 		}
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| 	} else {
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| 		if (is_24bpp) {
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| 			dst_pitch *= 3;
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| 			src_pitch *= 3;
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| 		}
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| 		/* R128 pitch is in units of 8 pixels, offset in 32 bytes */
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| 		OUT_REG(RADEON_REG_DST_PITCH_OFFSET,
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| 		    ((dst_pitch/bpp) << 21) | (dst_offset >> 5));
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| 		if (pSrc != NULL) {
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| 			OUT_REG(RADEON_REG_SRC_PITCH_OFFSET,
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| 			    ((src_pitch/bpp) << 21) | (src_offset >> 5));
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| 		}
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| 	}
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| 	OUT_REG(RADEON_REG_DEFAULT_SC_BOTTOM_RIGHT,
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| 	    (RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX));
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| 	END();
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| 
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| 	return TRUE;
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| }
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| 
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| static Bool
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| TAG(ATIPrepareSolid)(PixmapPtr pPixmap, int alu, Pixel pm, Pixel fg)
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| {
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| 	KdScreenPriv(pPixmap->drawable.pScreen);
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| 	ATIScreenInfo(pScreenPriv);
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| 	ATICardInfo(pScreenPriv);
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| 	CARD32 datatype;
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| 	LOCALS;
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| 
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| 	if (is_24bpp) {
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| 		/* Solid fills in fake-24bpp mode only work if the pixel color
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| 		 * and planemask are all the same byte.
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| 		 */
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| 		if ((fg & 0xffffff) != (((fg & 0xff) << 16) | ((fg >> 8) &
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| 		    0xffff)))
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| 			ATI_FALLBACK(("Can't do solid color %d in 24bpp\n"));
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| 		if ((pm & 0xffffff) != (((pm & 0xff) << 16) | ((pm >> 8) &
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| 		    0xffff)))
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| 			ATI_FALLBACK(("Can't do planemask %d in 24bpp\n"));
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| 	}
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| 
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| 	if (!ATIGetDatatypeBpp(pPixmap->drawable.bitsPerPixel, &datatype))
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| 		return FALSE;
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| 	if (!TAG(ATISetup)(pPixmap, NULL))
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| 		return FALSE;
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| 
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| 	BEGIN(4);
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| 	OUT_REG(RADEON_REG_DP_GUI_MASTER_CNTL,
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| 	    (datatype << 8) |
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| 	    RADEON_GMC_CLR_CMP_CNTL_DIS |
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| 	    RADEON_GMC_AUX_CLIP_DIS |
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| 	    RADEON_GMC_BRUSH_SOLID_COLOR |
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| 	    RADEON_GMC_DST_PITCH_OFFSET_CNTL |
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| 	    RADEON_GMC_SRC_DATATYPE_COLOR |
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| 	    (ATISolidRop[alu] << 16));
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| 	OUT_REG(RADEON_REG_DP_BRUSH_FRGD_CLR, fg);
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| 	OUT_REG(RADEON_REG_DP_WRITE_MASK, pm);
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| 	OUT_REG(RADEON_REG_DP_CNTL, RADEON_DST_X_LEFT_TO_RIGHT |
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| 	    RADEON_DST_Y_TOP_TO_BOTTOM);
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| 	END();
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| 
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| 	return TRUE;
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| }
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| 
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| static void
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| TAG(ATISolid)(int x1, int y1, int x2, int y2)
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| {
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| 	ATIScreenInfo *atis = accel_atis;
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| 	ATICardInfo *atic = atis->atic;
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| 	LOCALS;
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| 	
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| 	if (is_24bpp) {
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| 		x1 *= 3;
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| 		x2 *= 3;
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| 	}
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| 	BEGIN(2);
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| 	OUT_REG(RADEON_REG_DST_Y_X, (y1 << 16) | x1);
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| 	OUT_REG(RADEON_REG_DST_WIDTH_HEIGHT, ((x2 - x1) << 16) | (y2 - y1));
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| 	END();
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| }
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| 
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| static Bool
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| TAG(ATIPrepareCopy)(PixmapPtr pSrc, PixmapPtr pDst, int dx, int dy, int alu, Pixel pm)
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| {
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| 	KdScreenPriv(pDst->drawable.pScreen);
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| 	ATIScreenInfo(pScreenPriv);
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| 	ATICardInfo(pScreenPriv);
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| 	CARD32 datatype;
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| 	LOCALS;
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| 
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| 	copydx = dx;
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| 	copydy = dy;
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| 
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| 	if (is_24bpp && ((pm & 0xffffff) != (((pm & 0xff) << 16) | ((pm >> 8) &
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| 	    0xffff))))
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| 		ATI_FALLBACK(("Can't do planemask %d in 24bpp\n"));
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| 
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| 	if (!ATIGetDatatypeBpp(pDst->drawable.bitsPerPixel, &datatype))
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| 		return FALSE;
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| 	if (!TAG(ATISetup)(pDst, pSrc))
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| 		return FALSE;
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| 
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| 	BEGIN(3);
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| 	OUT_REG(RADEON_REG_DP_GUI_MASTER_CNTL,
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| 	    (datatype << 8) |
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| 	    RADEON_GMC_CLR_CMP_CNTL_DIS |
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| 	    RADEON_GMC_AUX_CLIP_DIS |
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| 	    RADEON_GMC_BRUSH_SOLID_COLOR |
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| 	    RADEON_GMC_SRC_DATATYPE_COLOR |
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| 	    (ATIBltRop[alu] << 16) |
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| 	    RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
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| 	    RADEON_GMC_DST_PITCH_OFFSET_CNTL |
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| 	    RADEON_DP_SRC_SOURCE_MEMORY);
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| 	OUT_REG(RADEON_REG_DP_WRITE_MASK, pm);
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| 	OUT_REG(RADEON_REG_DP_CNTL, 
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| 	    (dx >= 0 ? RADEON_DST_X_LEFT_TO_RIGHT : 0) |
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| 	    (dy >= 0 ? RADEON_DST_Y_TOP_TO_BOTTOM : 0));
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| 	END();
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| 
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| 	return TRUE;
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| }
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| 
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| static void
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| TAG(ATICopy)(int srcX, int srcY, int dstX, int dstY, int w, int h)
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| {
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| 	ATIScreenInfo *atis = accel_atis;
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| 	ATICardInfo *atic = atis->atic;
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| 	LOCALS;
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| 
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| 	if (is_24bpp) {
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| 		srcX *= 3;
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| 		dstX *= 3;
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| 		w *= 3;
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| 	}
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| 
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| 	if (copydx < 0) {
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| 		srcX += w - 1;
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| 		dstX += w - 1;
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| 	}
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| 
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| 	if (copydy < 0)  {
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| 		srcY += h - 1;
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| 		dstY += h - 1;
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| 	}
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| 
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| 	BEGIN(3);
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| 	OUT_REG(RADEON_REG_SRC_Y_X, (srcY << 16) | srcX);
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| 	OUT_REG(RADEON_REG_DST_Y_X, (dstY << 16) | dstX);
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| 	OUT_REG(RADEON_REG_DST_HEIGHT_WIDTH, (h << 16) | w);
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| 	END();
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| }
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| 
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| #undef TAG
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| #undef LOCALS
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| #undef BEGIN
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| #undef OUT_REG
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| #undef END
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