svn merge file:///D:/svnrepos/vcxsrv/branches/released .

1 files changed, 0 insertions, 875 deletions

diff --git a/xorg-server/hw/kdrive/ati/radeon_composite.c b/xorg-server/hw/kdrive/ati/radeon_composite.c
deleted file mode 100644
index ddad343e3..000000000
--- a/xorg-server/hw/kdrive/ati/radeon_composite.c
+++ /dev/null
@@ -1,875 +0,0 @@
-/*
- * Copyright © 2003 Eric Anholt
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Eric Anholt not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Eric Anholt makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-#include "ati.h"
-#include "ati_reg.h"
-#include "ati_dma.h"
-#include "ati_draw.h"
-
-extern ATIScreenInfo *accel_atis;
-extern int sample_count;
-extern float sample_offsets_x[255];
-extern float sample_offsets_y[255];
-static Bool is_transform[2];
-static PictTransform *transform[2];
-
-struct blendinfo {
-	Bool dst_alpha;
-	Bool src_alpha;
-	CARD32 blend_cntl;
-};
-
-static struct blendinfo RadeonBlendOp[] = {
-	/* Clear */
-	{0, 0, RADEON_SBLEND_GL_ZERO	      | RADEON_DBLEND_GL_ZERO},
-	/* Src */
-	{0, 0, RADEON_SBLEND_GL_ONE	      | RADEON_DBLEND_GL_ZERO},
-	/* Dst */
-	{0, 0, RADEON_SBLEND_GL_ZERO	      | RADEON_DBLEND_GL_ONE},
-	/* Over */
-	{0, 1, RADEON_SBLEND_GL_ONE	      | RADEON_DBLEND_GL_INV_SRC_ALPHA},
-	/* OverReverse */
-	{1, 0, RADEON_SBLEND_GL_INV_DST_ALPHA | RADEON_DBLEND_GL_ONE},
-	/* In */
-	{1, 0, RADEON_SBLEND_GL_DST_ALPHA     | RADEON_DBLEND_GL_ZERO},
-	/* InReverse */
-	{0, 1, RADEON_SBLEND_GL_ZERO	      | RADEON_DBLEND_GL_SRC_ALPHA},
-	/* Out */
-	{1, 0, RADEON_SBLEND_GL_INV_DST_ALPHA | RADEON_DBLEND_GL_ZERO},
-	/* OutReverse */
-	{0, 1, RADEON_SBLEND_GL_ZERO	      | RADEON_DBLEND_GL_INV_SRC_ALPHA},
-	/* Atop */
-	{1, 1, RADEON_SBLEND_GL_DST_ALPHA     | RADEON_DBLEND_GL_INV_SRC_ALPHA},
-	/* AtopReverse */
-	{1, 1, RADEON_SBLEND_GL_INV_DST_ALPHA | RADEON_DBLEND_GL_SRC_ALPHA},
-	/* Xor */
-	{1, 1, RADEON_SBLEND_GL_INV_DST_ALPHA | RADEON_DBLEND_GL_INV_SRC_ALPHA},
-	/* Add */
-	{0, 0, RADEON_SBLEND_GL_ONE	      | RADEON_DBLEND_GL_ONE},
-};
-
-struct formatinfo {
-	int fmt;
-	Bool byte_swap;
-	CARD32 card_fmt;
-};
-
-/* Note on texture formats:
- * TXFORMAT_Y8 expands to (Y,Y,Y,1).  TXFORMAT_I8 expands to (I,I,I,I)
- */
-static struct formatinfo R100TexFormats[] = {
-	{PICT_a8r8g8b8,	0, RADEON_TXFORMAT_ARGB8888 | RADEON_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x8r8g8b8,	0, RADEON_TXFORMAT_ARGB8888},
-	{PICT_a8b8g8r8,	1, RADEON_TXFORMAT_RGBA8888 | RADEON_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x8b8g8r8,	1, RADEON_TXFORMAT_RGBA8888},
-	{PICT_r5g6b5,	0, RADEON_TXFORMAT_RGB565},
-	{PICT_a1r5g5b5,	0, RADEON_TXFORMAT_ARGB1555 | RADEON_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x1r5g5b5,	0, RADEON_TXFORMAT_ARGB1555},
-	{PICT_a8,	0, RADEON_TXFORMAT_I8 | RADEON_TXFORMAT_ALPHA_IN_MAP},
-};
-
-static struct formatinfo R200TexFormats[] = {
-	{PICT_a8r8g8b8,	0, R200_TXFORMAT_ARGB8888 | R200_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x8r8g8b8,	0, R200_TXFORMAT_ARGB8888},
-	{PICT_a8r8g8b8,	1, R200_TXFORMAT_RGBA8888 | R200_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x8r8g8b8,	1, R200_TXFORMAT_RGBA8888},
-	{PICT_r5g6b5,	0, R200_TXFORMAT_RGB565},
-	{PICT_a1r5g5b5,	0, R200_TXFORMAT_ARGB1555 | R200_TXFORMAT_ALPHA_IN_MAP},
-	{PICT_x1r5g5b5,	0, R200_TXFORMAT_ARGB1555},
-	{PICT_a8,	0, R200_TXFORMAT_I8 | R200_TXFORMAT_ALPHA_IN_MAP},
-};
-
-/* Common Radeon setup code */
-
-static Bool
-RadeonGetDestFormat(PicturePtr pDstPicture, CARD32 *dst_format)
-{
-	switch (pDstPicture->format) {
-	case PICT_a8r8g8b8:
-	case PICT_x8r8g8b8:
-		*dst_format = RADEON_COLOR_FORMAT_ARGB8888;
-		break;
-	case PICT_r5g6b5:
-		*dst_format = RADEON_COLOR_FORMAT_RGB565;
-		break;
-	case PICT_a1r5g5b5:
-	case PICT_x1r5g5b5:
-		*dst_format = RADEON_COLOR_FORMAT_ARGB1555;
-		break;
-	case PICT_a8:
-		*dst_format = RADEON_COLOR_FORMAT_RGB8;
-		break;
-	default:
-		ATI_FALLBACK(("Unsupported dest format 0x%x\n",
-		    pDstPicture->format));
-	}
-
-	return TRUE;
-}
-
-/* R100-specific code */
-
-static Bool
-R100CheckCompositeTexture(PicturePtr pPict, int unit)
-{
-	int w = pPict->pDrawable->width;
-	int h = pPict->pDrawable->height;
-	int i;
-
-	if ((w > 0x7ff) || (h > 0x7ff))
-		ATI_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h));
-
-	for (i = 0; i < sizeof(R100TexFormats) / sizeof(R100TexFormats[0]); i++)
-	{
-		if (R100TexFormats[i].fmt == pPict->format)
-			break;
-	}
-	if (i == sizeof(R100TexFormats) / sizeof(R100TexFormats[0]))
-		ATI_FALLBACK(("Unsupported picture format 0x%x\n",
-		    pPict->format));
-
-	if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0))
-		ATI_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h));
-
-	if (pPict->filter != PictFilterNearest &&
-	    pPict->filter != PictFilterBilinear)
-		ATI_FALLBACK(("Unsupported filter 0x%x\n", pPict->filter));
-
-	return TRUE;
-}
-
-static Bool
-R100TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit)
-{
-	ATIScreenInfo *atis = accel_atis;
-	KdScreenPriv(pPix->drawable.pScreen);
-	CARD32 txfilter, txformat, txoffset, txpitch;
-	int w = pPict->pDrawable->width;
-	int h = pPict->pDrawable->height;
-	int i;
-	RING_LOCALS;
-
-	txpitch = pPix->devKind;
-	txoffset = ((CARD8 *)pPix->devPrivate.ptr -
-	    pScreenPriv->screen->memory_base);
-
-	for (i = 0; i < sizeof(R100TexFormats) / sizeof(R100TexFormats[0]); i++)
-	{
-		if (R100TexFormats[i].fmt == pPict->format)
-			break;
-	}
-	txformat = R100TexFormats[i].card_fmt;
-	if (R100TexFormats[i].byte_swap)
-		txoffset |= RADEON_TXO_ENDIAN_BYTE_SWAP;
-
-	if (pPict->repeat) {
-		txformat |= ATILog2(w) << RADEON_TXFORMAT_WIDTH_SHIFT;
-		txformat |= ATILog2(h) << RADEON_TXFORMAT_HEIGHT_SHIFT;
-	} else 
-		txformat |= RADEON_TXFORMAT_NON_POWER2;
-	txformat |= unit << 24; /* RADEON_TXFORMAT_ST_ROUTE_STQX */
-
- 
-	if ((txoffset & 0x1f) != 0)
-		ATI_FALLBACK(("Bad texture offset 0x%x\n", txoffset));
-	if ((txpitch & 0x1f) != 0)
-		ATI_FALLBACK(("Bad texture pitch 0x%x\n", txpitch));
-
-	switch (pPict->filter) {
-	case PictFilterNearest:
-		txfilter = (RADEON_MAG_FILTER_NEAREST |
-			    RADEON_MIN_FILTER_NEAREST);
-		break;
-	case PictFilterBilinear:
-		txfilter = (RADEON_MAG_FILTER_LINEAR |
-			    RADEON_MIN_FILTER_LINEAR);
-		break;
-	default:
-		ATI_FALLBACK(("Bad filter 0x%x\n", pPict->filter));
-	}
-
-	BEGIN_DMA(7);
-	if (unit == 0) {
-		OUT_RING(DMA_PACKET0(RADEON_REG_PP_TXFILTER_0, 3));
-		OUT_RING_REG(RADEON_REG_PP_TXFILTER_0, txfilter);
-		OUT_RING_REG(RADEON_REG_PP_TXFORMAT_0, txformat);
-		OUT_RING_REG(RADEON_REG_PP_TXOFFSET_0, txoffset);
-		OUT_RING(DMA_PACKET0(RADEON_REG_PP_TEX_SIZE_0, 2));
-		OUT_RING_REG(RADEON_REG_PP_TEX_SIZE_0,
-		    (pPix->drawable.width - 1) |
-		    ((pPix->drawable.height - 1) << RADEON_TEX_VSIZE_SHIFT));
-		OUT_RING_REG(RADEON_REG_PP_TEX_PITCH_0, txpitch - 32);
-	} else {
-		OUT_RING(DMA_PACKET0(RADEON_REG_PP_TXFILTER_1, 3));
-		OUT_RING_REG(RADEON_REG_PP_TXFILTER_1, txfilter);
-		OUT_RING_REG(RADEON_REG_PP_TXFORMAT_1, txformat);
-		OUT_RING_REG(RADEON_REG_PP_TXOFFSET_1, txoffset);
-		OUT_RING(DMA_PACKET0(RADEON_REG_PP_TEX_SIZE_1, 2));
-		OUT_RING_REG(RADEON_REG_PP_TEX_SIZE_1,
-		    (pPix->drawable.width - 1) |
-		    ((pPix->drawable.height - 1) << RADEON_TEX_VSIZE_SHIFT));
-		OUT_RING_REG(RADEON_REG_PP_TEX_PITCH_1, txpitch - 32);
-	}
-	END_DMA();
-
-	if (pPict->transform != 0) {
-		is_transform[unit] = TRUE;
-		transform[unit] = pPict->transform;
-	} else {
-		is_transform[unit] = FALSE;
-	}
-
-	return TRUE;
-}
-
-Bool
-R100CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
-    PicturePtr pDstPicture)
-{
-	CARD32 tmp1;
-
-	/* Check for unsupported compositing operations. */
-	if (op >= sizeof(RadeonBlendOp) / sizeof(RadeonBlendOp[0]))
-		ATI_FALLBACK(("Unsupported Composite op 0x%x\n", op));
-	if (pMaskPicture != NULL && pMaskPicture->componentAlpha &&
-	    RadeonBlendOp[op].src_alpha)
-		ATI_FALLBACK(("Component alpha not supported with source "
-		    "alpha blending.\n"));
-	if (pDstPicture->pDrawable->width >= (1 << 11) ||
-	    pDstPicture->pDrawable->height >= (1 << 11))
-		ATI_FALLBACK(("Dest w/h too large (%d,%d).\n",
-		    pDstPicture->pDrawable->width,
-		    pDstPicture->pDrawable->height));
-
-	if (!R100CheckCompositeTexture(pSrcPicture, 0))
-		return FALSE;
-	if (pMaskPicture != NULL && !R100CheckCompositeTexture(pMaskPicture, 1))
-		return FALSE;
-
-	if (pDstPicture->componentAlpha)
-		return FALSE;
-
-	if (!RadeonGetDestFormat(pDstPicture, &tmp1))
-		return FALSE;
-
-	return TRUE;
-}
-
-Bool
-R100PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
-    PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
-{
-	KdScreenPriv(pDst->drawable.pScreen);
-	ATIScreenInfo(pScreenPriv);
-	CARD32 dst_format, dst_offset, dst_pitch;
-	CARD32 pp_cntl, blendcntl, cblend, ablend;
-	int pixel_shift;
-	RING_LOCALS;
-
-	accel_atis = atis;
-
-	RadeonGetDestFormat(pDstPicture, &dst_format);
-	pixel_shift = pDst->drawable.bitsPerPixel >> 4;
-
-	dst_offset = ((CARD8 *)pDst->devPrivate.ptr -
-	    pScreenPriv->screen->memory_base);
-	dst_pitch = pDst->devKind;
-	if ((dst_offset & 0x0f) != 0)
-		ATI_FALLBACK(("Bad destination offset 0x%x\n", dst_offset));
-	if (((dst_pitch >> pixel_shift) & 0x7) != 0)
-		ATI_FALLBACK(("Bad destination pitch 0x%x\n", dst_pitch));
-
-	if (!R100TextureSetup(pSrcPicture, pSrc, 0))
-		return FALSE;
-	pp_cntl = RADEON_TEX_0_ENABLE | RADEON_TEX_BLEND_0_ENABLE;
-
-	if (pMask != NULL) {
-		if (!R100TextureSetup(pMaskPicture, pMask, 1))
-			return FALSE;
-		pp_cntl |= RADEON_TEX_1_ENABLE;
-	} else {
-		is_transform[1] = FALSE;
-	}
-
-	ENTER_DRAW(pDst);
-	
-	RadeonSwitchTo3D(atis);
-
-	BEGIN_DMA(12);
-
-	OUT_RING(DMA_PACKET0(RADEON_REG_PP_CNTL, 3));
-	OUT_RING_REG(RADEON_REG_PP_CNTL, pp_cntl);
-	OUT_RING_REG(RADEON_REG_RB3D_CNTL,
-	    dst_format | RADEON_ALPHA_BLEND_ENABLE);
-	OUT_RING_REG(RADEON_REG_RB3D_COLOROFFSET, dst_offset);
-
-	OUT_REG(RADEON_REG_RB3D_COLORPITCH, dst_pitch >> pixel_shift);
-
-	/* IN operator: Multiply src by mask components or mask alpha.
-	 * BLEND_CTL_ADD is A * B + C.
-	 * If a picture is a8, we have to explicitly zero its color values.
-	 * If the destination is a8, we have to route the alpha to red, I think.
-	 */
-	cblend = RADEON_BLEND_CTL_ADD | RADEON_CLAMP_TX |
-	    RADEON_COLOR_ARG_C_ZERO;
-	ablend = RADEON_BLEND_CTL_ADD | RADEON_CLAMP_TX |
-	    RADEON_ALPHA_ARG_C_ZERO;
-
-	if (pDstPicture->format == PICT_a8)
-		cblend |= RADEON_COLOR_ARG_A_T0_ALPHA;
-	else if (pSrcPicture->format == PICT_a8)
-		cblend |= RADEON_COLOR_ARG_A_ZERO;
-	else
-		cblend |= RADEON_COLOR_ARG_A_T0_COLOR;
-	ablend |= RADEON_ALPHA_ARG_A_T0_ALPHA;
-
-	if (pMask) {
-		if (pMaskPicture->componentAlpha &&
-		    pDstPicture->format != PICT_a8)
-			cblend |= RADEON_COLOR_ARG_B_T1_COLOR;
-		else
-			cblend |= RADEON_COLOR_ARG_B_T1_ALPHA;
-		ablend |= RADEON_ALPHA_ARG_B_T1_ALPHA;
-	} else {
-		cblend |= RADEON_COLOR_ARG_B_ZERO | RADEON_COMP_ARG_B;
-		ablend |= RADEON_ALPHA_ARG_B_ZERO | RADEON_COMP_ARG_B;
-	}
-
-	OUT_REG(RADEON_REG_PP_TXCBLEND_0, cblend);
-	OUT_REG(RADEON_REG_PP_TXABLEND_0, ablend);
-
-	/* Op operator. */
-	blendcntl = RadeonBlendOp[op].blend_cntl;
-	if (PICT_FORMAT_A(pDstPicture->format) == 0 &&
-	    RadeonBlendOp[op].dst_alpha) {
-		if ((blendcntl & RADEON_SBLEND_MASK) ==
-		    RADEON_SBLEND_GL_DST_ALPHA)
-			blendcntl = (blendcntl & ~RADEON_SBLEND_MASK) |
-			    RADEON_SBLEND_GL_ONE;
-		else if ((blendcntl & RADEON_SBLEND_MASK) ==
-		    RADEON_SBLEND_GL_INV_DST_ALPHA)
-			blendcntl = (blendcntl & ~RADEON_SBLEND_MASK) |
-			    RADEON_SBLEND_GL_ZERO;
-	}
-	OUT_REG(RADEON_REG_RB3D_BLENDCNTL, blendcntl);
-	END_DMA();
-
-	LEAVE_DRAW(pDst);
-
-	return TRUE;
-}
-
-static Bool
-R200CheckCompositeTexture(PicturePtr pPict, int unit)
-{
-	int w = pPict->pDrawable->width;
-	int h = pPict->pDrawable->height;
-	int i;
-
-	if ((w > 0x7ff) || (h > 0x7ff))
-		ATI_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h));
-
-	for (i = 0; i < sizeof(R200TexFormats) / sizeof(R200TexFormats[0]); i++)
-	{
-		if (R200TexFormats[i].fmt == pPict->format)
-			break;
-	}
-	if (i == sizeof(R200TexFormats) / sizeof(R200TexFormats[0]))
-		ATI_FALLBACK(("Unsupported picture format 0x%x\n",
-		    pPict->format));
-
-	if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0))
-		ATI_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h));
-
-	if (pPict->filter != PictFilterNearest &&
-	    pPict->filter != PictFilterBilinear)
-		ATI_FALLBACK(("Unsupported filter 0x%x\n", pPict->filter));
-
-	return TRUE;
-}
-
-static Bool
-R200TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit)
-{
-	ATIScreenInfo *atis = accel_atis;
-	KdScreenPriv(pPix->drawable.pScreen);
-	CARD32 txfilter, txformat, txoffset, txpitch;
-	int w = pPict->pDrawable->width;
-	int h = pPict->pDrawable->height;
-	int i;
-	RING_LOCALS;
-
-	txpitch = pPix->devKind;
-	txoffset = ((CARD8 *)pPix->devPrivate.ptr -
-	    pScreenPriv->screen->memory_base);
-
-	for (i = 0; i < sizeof(R200TexFormats) / sizeof(R200TexFormats[0]); i++)
-	{
-		if (R200TexFormats[i].fmt == pPict->format)
-			break;
-	}
-	txformat = R200TexFormats[i].card_fmt;
-	if (R200TexFormats[i].byte_swap)
-		txoffset |= R200_TXO_ENDIAN_BYTE_SWAP;
-
-	if (pPict->repeat) {
-		txformat |= ATILog2(w) << R200_TXFORMAT_WIDTH_SHIFT;
-		txformat |= ATILog2(h) << R200_TXFORMAT_HEIGHT_SHIFT;
-	} else 
-		txformat |= R200_TXFORMAT_NON_POWER2;
-	txformat |= unit << R200_TXFORMAT_ST_ROUTE_SHIFT;
-
-	if ((txoffset & 0x1f) != 0)
-		ATI_FALLBACK(("Bad texture offset 0x%x\n", txoffset));
-	if ((txpitch & 0x1f) != 0)
-		ATI_FALLBACK(("Bad texture pitch 0x%x\n", txpitch));
-
-	switch (pPict->filter) {
-	case PictFilterNearest:
-		txfilter = (R200_MAG_FILTER_NEAREST |
-			    R200_MIN_FILTER_NEAREST);
-		break;
-	case PictFilterBilinear:
-		txfilter = (R200_MAG_FILTER_LINEAR |
-			    R200_MIN_FILTER_LINEAR);
-		break;
-	default:
-		ATI_FALLBACK(("Bad filter 0x%x\n", pPict->filter));
-	}
-
-	if (unit == 0) {
-		BEGIN_DMA(6);
-		OUT_RING(DMA_PACKET0(R200_REG_PP_TXFILTER_0 + 0x20 * unit, 5));
-		OUT_RING_REG(R200_REG_PP_TXFILTER_0, txfilter);
-		OUT_RING_REG(R200_REG_PP_TXFORMAT_0, txformat);
-		OUT_RING_REG(R200_REG_PP_TXFORMAT_X_0, 0);
-		OUT_RING_REG(R200_REG_PP_TXSIZE_0,
-		    (pPix->drawable.width - 1) |
-		    ((pPix->drawable.height - 1) << RADEON_TEX_VSIZE_SHIFT));
-		OUT_RING_REG(R200_REG_PP_TXPITCH_0, txpitch - 32);
-		END_DMA();
-	} else {
-		BEGIN_DMA(6);
-		OUT_RING(DMA_PACKET0(R200_REG_PP_TXFILTER_1, 5));
-		OUT_RING_REG(R200_REG_PP_TXFILTER_1, txfilter);
-		OUT_RING_REG(R200_REG_PP_TXFORMAT_1, txformat);
-		OUT_RING_REG(R200_REG_PP_TXFORMAT_X_1, 0);
-		OUT_RING_REG(R200_REG_PP_TXSIZE_1,
-		    (pPix->drawable.width - 1) |
-		    ((pPix->drawable.height - 1) << RADEON_TEX_VSIZE_SHIFT));
-		OUT_RING_REG(R200_REG_PP_TXPITCH_1, txpitch - 32);
-		END_DMA();
-	}
-
-	BEGIN_DMA(2);
-	OUT_REG(R200_PP_TXOFFSET_0 + 0x18 * unit, txoffset);
-	END_DMA();
-
-	if (pPict->transform != 0) {
-		is_transform[unit] = TRUE;
-		transform[unit] = pPict->transform;
-	} else {
-		is_transform[unit] = FALSE;
-	}
-
-	return TRUE;
-}
-
-Bool
-R200CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
-    PicturePtr pDstPicture)
-{
-	CARD32 tmp1;
-
-	/* Check for unsupported compositing operations. */
-	if (op >= sizeof(RadeonBlendOp) / sizeof(RadeonBlendOp[0]))
-		ATI_FALLBACK(("Unsupported Composite op 0x%x\n", op));
-	if (pMaskPicture != NULL && pMaskPicture->componentAlpha &&
-	    RadeonBlendOp[op].src_alpha)
-		ATI_FALLBACK(("Component alpha not supported with source "
-		    "alpha blending.\n"));
-
-	if (!R200CheckCompositeTexture(pSrcPicture, 0))
-		return FALSE;
-	if (pMaskPicture != NULL && !R200CheckCompositeTexture(pMaskPicture, 1))
-		return FALSE;
-
-	if (!RadeonGetDestFormat(pDstPicture, &tmp1))
-		return FALSE;
-
-	return TRUE;
-}
-
-Bool
-R200PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
-    PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
-{
-	KdScreenPriv(pDst->drawable.pScreen);
-	ATIScreenInfo(pScreenPriv);
-	CARD32 dst_format, dst_offset, dst_pitch;
-	CARD32 pp_cntl, blendcntl, cblend, ablend;
-	int pixel_shift;
-	RING_LOCALS;
-
-	RadeonGetDestFormat(pDstPicture, &dst_format);
-	pixel_shift = pDst->drawable.bitsPerPixel >> 4;
-
-	accel_atis = atis;
-
-	dst_offset = ((CARD8 *)pDst->devPrivate.ptr -
-	    pScreenPriv->screen->memory_base);
-	dst_pitch = pDst->devKind;
-	if ((dst_offset & 0x0f) != 0)
-		ATI_FALLBACK(("Bad destination offset 0x%x\n", dst_offset));
-	if (((dst_pitch >> pixel_shift) & 0x7) != 0)
-		ATI_FALLBACK(("Bad destination pitch 0x%x\n", dst_pitch));
-
-	if (!R200TextureSetup(pSrcPicture, pSrc, 0))
-		return FALSE;
-	pp_cntl = RADEON_TEX_0_ENABLE | RADEON_TEX_BLEND_0_ENABLE;
-
-	if (pMask != NULL) {
-		if (!R200TextureSetup(pMaskPicture, pMask, 1))
-			return FALSE;
-		pp_cntl |= RADEON_TEX_1_ENABLE;
-	} else {
-		is_transform[1] = FALSE;
-	}
-
-	RadeonSwitchTo3D(atis);
-
-	BEGIN_DMA(17);
-
-	OUT_RING(DMA_PACKET0(RADEON_REG_PP_CNTL, 3));
-	OUT_RING_REG(RADEON_REG_PP_CNTL, pp_cntl);
-	OUT_RING_REG(RADEON_REG_RB3D_CNTL, dst_format | RADEON_ALPHA_BLEND_ENABLE);
-	OUT_RING_REG(RADEON_REG_RB3D_COLOROFFSET, dst_offset);
-
-	OUT_REG(R200_REG_SE_VTX_FMT_0, R200_VTX_XY);
-	OUT_REG(R200_REG_SE_VTX_FMT_1,
-	    (2 << R200_VTX_TEX0_COMP_CNT_SHIFT) |
-	    (2 << R200_VTX_TEX1_COMP_CNT_SHIFT));
-
-	OUT_REG(RADEON_REG_RB3D_COLORPITCH, dst_pitch >> pixel_shift);
-
-	/* IN operator: Multiply src by mask components or mask alpha.
-	 * BLEND_CTL_ADD is A * B + C.
-	 * If a picture is a8, we have to explicitly zero its color values.
-	 * If the destination is a8, we have to route the alpha to red, I think.
-	 */
-	cblend = R200_TXC_OP_MADD | R200_TXC_ARG_C_ZERO;
-	ablend = R200_TXA_OP_MADD | R200_TXA_ARG_C_ZERO;
-
-	if (pDstPicture->format == PICT_a8)
-		cblend |= R200_TXC_ARG_A_R0_ALPHA;
-	else if (pSrcPicture->format == PICT_a8)
-		cblend |= R200_TXC_ARG_A_ZERO;
-	else
-		cblend |= R200_TXC_ARG_A_R0_COLOR;
-	ablend |= R200_TXA_ARG_A_R0_ALPHA;
-
-	if (pMask) {
-		if (pMaskPicture->componentAlpha &&
-		    pDstPicture->format != PICT_a8)
-			cblend |= R200_TXC_ARG_B_R1_COLOR;
-		else
-			cblend |= R200_TXC_ARG_B_R1_ALPHA;
-		ablend |= R200_TXA_ARG_B_R1_ALPHA;
-	} else {
-		cblend |= R200_TXC_ARG_B_ZERO | R200_TXC_COMP_ARG_B;
-		ablend |= R200_TXA_ARG_B_ZERO | R200_TXA_COMP_ARG_B;
-	}
-
-	OUT_RING(DMA_PACKET0(R200_REG_PP_TXCBLEND_0, 4));
-	OUT_RING_REG(R200_REG_PP_TXCBLEND_0, cblend);
-	OUT_RING_REG(R200_REG_PP_TXCBLEND2_0,
-	    R200_TXC_CLAMP_0_1 | R200_TXC_OUTPUT_REG_R0);
-	OUT_RING_REG(R200_REG_PP_TXABLEND_0, ablend);
-	OUT_RING_REG(R200_REG_PP_TXABLEND2_0,
-	    R200_TXA_CLAMP_0_1 | R200_TXA_OUTPUT_REG_R0);
-
-	/* Op operator. */
-	blendcntl = RadeonBlendOp[op].blend_cntl;
-	if (PICT_FORMAT_A(pDstPicture->format) == 0 &&
-	    RadeonBlendOp[op].dst_alpha) {
-		if ((blendcntl & RADEON_SBLEND_MASK) ==
-		    RADEON_SBLEND_GL_DST_ALPHA)
-			blendcntl = (blendcntl & ~RADEON_SBLEND_MASK) |
-			    RADEON_SBLEND_GL_ONE;
-		else if ((blendcntl & RADEON_SBLEND_MASK) ==
-		    RADEON_SBLEND_GL_INV_DST_ALPHA)
-			blendcntl = (blendcntl & ~RADEON_SBLEND_MASK) |
-			    RADEON_SBLEND_GL_ZERO;
-	}
-	OUT_REG(RADEON_REG_RB3D_BLENDCNTL, blendcntl);
-	END_DMA();
-
-	return TRUE;
-}
-
-union intfloat {
-	float f;
-	CARD32 i;
-};
-
-struct blend_vertex {
-	union intfloat x, y;
-	union intfloat s0, t0;
-	union intfloat s1, t1;
-};
-
-#define VTX_DWORD_COUNT 6
-
-#define VTX_OUT(_dstX, _dstY, _srcX, _srcY, _maskX, _maskY)		\
-do {									\
-	OUT_RING_F(_dstX);						\
-	OUT_RING_F(_dstY);						\
-	OUT_RING_F(_srcX);						\
-	OUT_RING_F(_srcY);						\
-	OUT_RING_F(_maskX);						\
-	OUT_RING_F(_maskY);						\
-} while (0)
-
-void
-RadeonComposite(int srcX, int srcY, int maskX, int maskY, int dstX, int dstY,
-    int w, int h)
-{
-	ATIScreenInfo *atis = accel_atis;
-	ATICardInfo *atic = atis->atic;
-	int srcXend, srcYend, maskXend, maskYend;
-	RING_LOCALS;
-	PictVector v;
-
-	ENTER_DRAW(0);
-	
-	/*ErrorF("RadeonComposite (%d,%d) (%d,%d) (%d,%d) (%d,%d)\n",
-	    srcX, srcY, maskX, maskY,dstX, dstY, w, h);*/
-
-	srcXend = srcX + w;
-	srcYend = srcY + h;
-	maskXend = maskX + w;
-	maskYend = maskY + h;
-	if (is_transform[0]) {
-		v.vector[0] = IntToxFixed(srcX);
-		v.vector[1] = IntToxFixed(srcY);
-		v.vector[2] = xFixed1;
-		PictureTransformPoint(transform[0], &v);
-		srcX = xFixedToInt(v.vector[0]);
-		srcY = xFixedToInt(v.vector[1]);
-		v.vector[0] = IntToxFixed(srcXend);
-		v.vector[1] = IntToxFixed(srcYend);
-		v.vector[2] = xFixed1;
-		PictureTransformPoint(transform[0], &v);
-		srcXend = xFixedToInt(v.vector[0]);
-		srcYend = xFixedToInt(v.vector[1]);
-	}
-	if (is_transform[1]) {
-		v.vector[0] = IntToxFixed(maskX);
-		v.vector[1] = IntToxFixed(maskY);
-		v.vector[2] = xFixed1;
-		PictureTransformPoint(transform[1], &v);
-		maskX = xFixedToInt(v.vector[0]);
-		maskY = xFixedToInt(v.vector[1]);
-		v.vector[0] = IntToxFixed(maskXend);
-		v.vector[1] = IntToxFixed(maskYend);
-		v.vector[2] = xFixed1;
-		PictureTransformPoint(transform[1], &v);
-		maskXend = xFixedToInt(v.vector[0]);
-		maskYend = xFixedToInt(v.vector[1]);
-	}
-
-	if (atic->is_r100) {
-		BEGIN_DMA(4 * VTX_DWORD_COUNT + 3);
-		OUT_RING(DMA_PACKET3(RADEON_CP_PACKET3_3D_DRAW_IMMD,
-		    4 * VTX_DWORD_COUNT + 2));
-		OUT_RING(RADEON_CP_VC_FRMT_XY |
-		    RADEON_CP_VC_FRMT_ST0 |
-		    RADEON_CP_VC_FRMT_ST1);
-		OUT_RING(RADEON_CP_VC_CNTL_PRIM_TYPE_TRI_FAN |
-		    RADEON_CP_VC_CNTL_PRIM_WALK_RING |
-		    RADEON_CP_VC_CNTL_MAOS_ENABLE |
-		    RADEON_CP_VC_CNTL_VTX_FMT_RADEON_MODE |
-		    (4 << RADEON_CP_VC_CNTL_NUM_SHIFT));
-	} else {
-		BEGIN_DMA(4 * VTX_DWORD_COUNT + 2);
-		OUT_RING(DMA_PACKET3(R200_CP_PACKET3_3D_DRAW_IMMD_2,
-		    4 * VTX_DWORD_COUNT + 1));
-		OUT_RING(RADEON_CP_VC_CNTL_PRIM_TYPE_TRI_FAN |
-		    RADEON_CP_VC_CNTL_PRIM_WALK_RING |
-		    (4 << RADEON_CP_VC_CNTL_NUM_SHIFT));
-	}
-
-	VTX_OUT(dstX,     dstY,     srcX,    srcY,    maskX,    maskY);
-	VTX_OUT(dstX,     dstY + h, srcX,    srcYend, maskX,    maskYend);
-	VTX_OUT(dstX + w, dstY + h, srcXend, srcYend, maskXend, maskYend);
-	VTX_OUT(dstX + w, dstY,     srcXend, srcY,    maskXend, maskY);
-
-	LEAVE_DRAW(0);
-
-	END_DMA();
-}
-
-void
-RadeonDoneComposite(void)
-{
-	ENTER_DRAW(0);
-	LEAVE_DRAW(0);
-}
-
-Bool
-RadeonPrepareTrapezoids(PicturePtr pDstPicture, PixmapPtr pDst)
-{
-	KdScreenPriv(pDst->drawable.pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	CARD32 dst_offset, dst_pitch;
-	int pixel_shift;
-	RING_LOCALS;
-
-	pixel_shift = pDst->drawable.bitsPerPixel >> 4;
-
-	accel_atis = atis;
-
-	dst_offset = ((CARD8 *)pDst->devPrivate.ptr -
-	    pScreenPriv->screen->memory_base);
-	dst_pitch = pDst->devKind;
-	if ((dst_offset & 0x0f) != 0)
-		ATI_FALLBACK(("Bad destination offset 0x%x\n", dst_offset));
-	if (((dst_pitch >> pixel_shift) & 0x7) != 0)
-		ATI_FALLBACK(("Bad destination pitch 0x%x\n", dst_pitch));
-
-	RadeonSwitchTo3D(atis);
-
-	BEGIN_DMA(8);
-
-	OUT_RING(DMA_PACKET0(RADEON_REG_PP_CNTL, 5));
-	OUT_RING_REG(RADEON_REG_PP_CNTL, RADEON_TEX_BLEND_0_ENABLE);
-	OUT_RING_REG(RADEON_REG_RB3D_CNTL,
-	    RADEON_COLOR_FORMAT_RGB8 | RADEON_ALPHA_BLEND_ENABLE);
-	OUT_RING_REG(RADEON_REG_RB3D_COLOROFFSET, dst_offset);
-	OUT_RING_REG(RADEON_REG_RE_WIDTH_HEIGHT,
-	    ((pDst->drawable.height - 1) << 16) |
-	    (pDst->drawable.width - 1));
-	OUT_RING_REG(RADEON_REG_RB3D_COLORPITCH, dst_pitch >> pixel_shift);
-	OUT_REG(RADEON_REG_RB3D_BLENDCNTL, RadeonBlendOp[PictOpAdd].blend_cntl);
-	END_DMA();
-
-	if (atic->is_r100) {
-		BEGIN_DMA(4);
-		OUT_RING(DMA_PACKET0(RADEON_REG_PP_TXCBLEND_0, 3));
-		OUT_RING_REG(RADEON_REG_PP_TXCBLEND_0,
-		    RADEON_BLEND_CTL_ADD | RADEON_CLAMP_TX |
-		    RADEON_COLOR_ARG_C_TFACTOR_ALPHA);
-		OUT_RING_REG(RADEON_REG_PP_TXABLEND_0,
-		    RADEON_BLEND_CTL_ADD | RADEON_CLAMP_TX |
-		    RADEON_ALPHA_ARG_C_TFACTOR_ALPHA);
-		OUT_RING_REG(RADEON_REG_PP_TFACTOR_0, 0x01000000);
-		END_DMA();
-	} else if (atic->is_r200) {
-		BEGIN_DMA(14);
-		OUT_REG(R200_REG_SE_VTX_FMT_0, R200_VTX_XY);
-		OUT_REG(R200_REG_SE_VTX_FMT_1, 0);
-		OUT_REG(R200_REG_PP_TXCBLEND_0,
-		    R200_TXC_ARG_C_TFACTOR_COLOR);
-		OUT_REG(R200_REG_PP_TXABLEND_0,
-		    R200_TXA_ARG_C_TFACTOR_ALPHA);
-		OUT_REG(R200_REG_PP_TXCBLEND2_0, R200_TXC_OUTPUT_REG_R0);
-		OUT_REG(R200_REG_PP_TXABLEND2_0, R200_TXA_OUTPUT_REG_R0);
-		OUT_REG(RADEON_REG_PP_TFACTOR_0, 0x01000000);
-		END_DMA();
-	}
-
-	return TRUE;
-}
-
-#define TRAP_VERT_RING_COUNT 2
-
-#define TRAP_VERT(_x, _y)						\
-do {									\
-	OUT_RING_F((_x) + sample_x);					\
-	OUT_RING_F((_y) + sample_y);					\
-} while (0)
-
-void
-RadeonTrapezoids(KaaTrapezoid *traps, int ntraps)
-{
-	ATIScreenInfo *atis = accel_atis;
-	ATICardInfo *atic = atis->atic;
-	RING_LOCALS;
-
-	while (ntraps > 0) {
-		int i, sample, count, vertcount;
-
-		count = 0xffff / 4 / sample_count;
-		if (count > ntraps)
-			count = ntraps;
-		vertcount = count * sample_count * 4;
-
-		if (atic->is_r100) {
-			BEGIN_DMA(3 + vertcount * TRAP_VERT_RING_COUNT);
-			OUT_RING(DMA_PACKET3(RADEON_CP_PACKET3_3D_DRAW_IMMD,
-			    2 + vertcount * TRAP_VERT_RING_COUNT));
-			OUT_RING(RADEON_CP_VC_FRMT_XY);
-			OUT_RING(RADEON_CP_VC_CNTL_PRIM_TYPE_TRI_FAN |
-			    RADEON_CP_VC_CNTL_PRIM_WALK_RING |
-			    RADEON_CP_VC_CNTL_MAOS_ENABLE |
-			    RADEON_CP_VC_CNTL_VTX_FMT_RADEON_MODE |
-			    (vertcount << RADEON_CP_VC_CNTL_NUM_SHIFT));
-		} else {
-			BEGIN_DMA(2 + vertcount * TRAP_VERT_RING_COUNT);
-			OUT_RING(DMA_PACKET3(R200_CP_PACKET3_3D_DRAW_IMMD_2,
-			    1 + vertcount * TRAP_VERT_RING_COUNT));
-			OUT_RING(RADEON_CP_VC_CNTL_PRIM_TYPE_TRI_FAN |
-			    RADEON_CP_VC_CNTL_PRIM_WALK_RING |
-			    (vertcount << RADEON_CP_VC_CNTL_NUM_SHIFT));
-		}
-
-		for (i = 0; i < count; i++) {
-		    for (sample = 0; sample < sample_count; sample++) {
-			float sample_x = sample_offsets_x[sample];
-			float sample_y = sample_offsets_y[sample];
-			TRAP_VERT(traps[i].tl, traps[i].ty);
-			TRAP_VERT(traps[i].bl, traps[i].by);
-			TRAP_VERT(traps[i].br, traps[i].by);
-			TRAP_VERT(traps[i].tr, traps[i].ty);
-		    }
-		}
-		END_DMA();
-
-		ntraps -= count;
-		traps += count;
-	}
-}
-
-void
-RadeonDoneTrapezoids(void)
-{
-	ATIScreenInfo *atis = accel_atis;
-	RING_LOCALS;
-
-	BEGIN_DMA(2);
-	OUT_REG(RADEON_REG_RE_WIDTH_HEIGHT, 0xffffffff);
-	END_DMA();
-}