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/*
* Copyright © 2003 Eric Anholt, Anders Carlsson
*
* 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 USE_DMA
#define TAG(x) x##DMA
#define LOCALS RING_LOCALS; \
(void)atic
#define BEGIN(x) BEGIN_RING(x * 2)
#define OUT_REG(reg, val) OUT_RING_REG(reg, val)
#define END() ADVANCE_RING()
#else
#define TAG(x) x##MMIO
#define LOCALS char *mmio = atic->reg_base
#define BEGIN(x) ATIWaitAvailMMIO(x)
#define OUT_REG(reg, val) MMIO_OUT32(mmio, (reg), (val))
#define END()
#endif
static Bool
TAG(R128PrepareBlend)(int op, PicturePtr pSrcPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pDst)
{
KdScreenPriv(pDst->drawable.pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
CARD32 dstDatatype, srcDatatype;
LOCALS;
accel_atis = atis;
if (!TAG(ATISetup)(pDst, pSrc))
return FALSE;
src_bpp = pSrc->drawable.bitsPerPixel;
is_repeat = pSrcPicture->repeat;
if (op >= sizeof(R128BlendOp)/sizeof(R128BlendOp[0]))
ATI_FALLBACK(("Unsupported op 0x%x\n", op));
if (pSrcPicture->repeat && (pSrc->drawable.width != 1 ||
pSrc->drawable.height != 1))
ATI_FALLBACK(("repeat unsupported\n"));
if (pSrcPicture->transform != NULL)
ATI_FALLBACK(("transform unsupported\n"));
if (!R128GetDatatypePict(pDstPicture->format, &dstDatatype))
ATI_FALLBACK(("Unsupported dest format 0x%x\n",
pDstPicture->format));
if (!R128GetDatatypePict(pSrcPicture->format, &srcDatatype))
ATI_FALLBACK(("Unsupported src format 0x%x\n",
pSrcPicture->format));
BEGIN(11);
OUT_REG(RADEON_REG_DP_GUI_MASTER_CNTL,
(dstDatatype << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_GMC_AUX_CLIP_DIS |
(ATIBltRop[3] << 16) |
RADEON_GMC_3D_FCN_EN);
OUT_REG(R128_REG_TEX_CNTL_C, R128_TEX_ALPHA_EN | R128_TEX_CACHE_FLUSH);
OUT_REG(R128_REG_PRIM_TEXTURE_COMBINE_CNTL_C, 0);
OUT_REG(R128_REG_SCALE_3D_CNTL,
R128_SCALE_3D_SCALE |
R128BlendOp[op] |
R128_TEX_MAP_ALPHA_IN_TEXTURE);
OUT_REG(R128_REG_SCALE_3D_DATATYPE, srcDatatype);
OUT_REG(R128_REG_SCALE_PITCH, src_pitch / src_bpp);
/* 4.16 fixed point scaling factor? */
if (is_repeat) {
OUT_REG(R128_REG_SCALE_X_INC, 0);
OUT_REG(R128_REG_SCALE_Y_INC, 0);
} else {
OUT_REG(R128_REG_SCALE_X_INC, 65536);
OUT_REG(R128_REG_SCALE_Y_INC, 65536);
}
OUT_REG(R128_REG_SCALE_HACC, 0x00000000);
OUT_REG(R128_REG_SCALE_VACC, 0x00000000);
OUT_REG(RADEON_REG_DP_CNTL,
RADEON_DST_X_LEFT_TO_RIGHT | RADEON_DST_Y_TOP_TO_BOTTOM );
END();
return TRUE;
}
static void
TAG(R128Blend)(int srcX, int srcY, int dstX, int dstY, int width, int height)
{
ATIScreenInfo *atis = accel_atis;
ATICardInfo *atic = atis->atic;
LOCALS;
if (is_repeat) {
srcX = 0;
srcY = 0;
}
BEGIN(4);
OUT_REG(R128_REG_SCALE_OFFSET_0, src_offset + srcY * src_pitch + srcX *
(src_bpp >> 3));
OUT_REG(R128_REG_SCALE_SRC_HEIGHT_WIDTH, (height << 16) | width);
OUT_REG(R128_REG_SCALE_DST_X_Y, (dstX << 16) | dstY);
OUT_REG(R128_REG_SCALE_DST_HEIGHT_WIDTH, (height << 16) | width);
END();
}
static void
TAG(R128DoneBlend)(void)
{
}
#undef TAG
#undef LOCALS
#undef BEGIN
#undef OUT_REG
#undef END
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