98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/*
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* $Id$
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*
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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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/* $Header$ */
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#ifndef _ATI_DRAW_H_
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#define _ATI_DRAW_H_
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#ifdef USE_DRI
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#define DMA_PACKET0( reg, n ) \
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(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
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#define RING_LOCALS CARD32 *__head; int __count;
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#define BEGIN_RING( n ) \
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do { \
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if (atis->indirectBuffer == NULL) { \
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atis->indirectBuffer = ATIDMAGetBuffer(); \
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atis->indirectStart = 0; \
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} else if ((atis->indirectBuffer->used + 4*(n)) > \
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atis->indirectBuffer->total) { \
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ATIDMAFlushIndirect(1); \
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} \
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__head = (pointer)((char *)atis->indirectBuffer->address + \
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atis->indirectBuffer->used); \
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__count = 0; \
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} while (0)
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#define ADVANCE_RING() do { \
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atis->indirectBuffer->used += __count * (int)sizeof(CARD32); \
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} while (0)
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#define OUT_RING(x) do { \
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MMIO_OUT32(&__head[__count++], 0, (x)); \
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} while (0)
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#define OUT_RING_REG(reg, val) \
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do { \
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OUT_RING(DMA_PACKET0(reg, 0)); \
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OUT_RING(val); \
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} while (0)
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drmBufPtr ATIDMAGetBuffer(void);
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void ATIDMAFlushIndirect(Bool discard);
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void ATIDMADispatchIndirect(Bool discard);
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void ATIDMAStart(ScreenPtr pScreen);
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void ATIDMAStop(ScreenPtr pScreen);
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Bool RadeonPrepareBlend(int op, PicturePtr pSrcPicture, PicturePtr pDstPicture,
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PixmapPtr pSrc, PixmapPtr pDst);
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void RadeonBlend(int srcX, int srcY, int dstX, int dstY, int width, int height);
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Bool RadeonPrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
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PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst);
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void RadeonDoneBlend(void);
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void RadeonComposite(int srcX, int srcY, int maskX, int maskY, int dstX,
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int dstY, int w, int h);
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void RadeonDoneComposite(void);
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void RadeonSwitchTo2D(void);
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void RadeonSwitchTo3D(void);
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#endif /* USE_DRI */
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void
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ATIWaitIdle(void);
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#if 0
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#define ATI_FALLBACK(x) \
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do { \
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ErrorF x; \
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return FALSE; \
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} while (0)
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#else
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#define ATI_FALLBACK(x) return FALSE
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#endif
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#endif /* _ATI_DRAW_H_ */
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