xenocara/xserver/hw/kdrive/ati/r128_composite.c
2006-11-26 18:13:41 +00:00

566 lines
16 KiB
C

/*
* 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.
*/
/* $Header: /home/cvs/xenocara/xserver/hw/kdrive/ati/Attic/r128_composite.c,v 1.1.1.1 2006/11/26 18:22:12 matthieu Exp $ */
#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];
extern CARD8 ATIBltRop[16];
static int widths[2] = {1,1};
static int heights[2] = {1,1};
static Bool is_transform[2];
static PictTransform *transform[2];
struct blendinfo {
Bool dst_alpha;
Bool src_alpha;
CARD32 blendctl;
};
static struct blendinfo R128BlendOp[] = {
/* Clear */
{0, 0, R128_SBLEND_ZERO | R128_DBLEND_ZERO},
/* Src */
{0, 0, R128_SBLEND_ONE | R128_DBLEND_ZERO},
/* Dst */
{0, 0, R128_SBLEND_ZERO | R128_DBLEND_ONE},
/* Over */
{0, 1, R128_SBLEND_ONE | R128_DBLEND_INV_SRC_ALPHA},
/* OverReverse */
{1, 0, R128_SBLEND_INV_DST_ALPHA | R128_DBLEND_ONE},
/* In */
{1, 0, R128_SBLEND_DST_ALPHA | R128_DBLEND_ZERO},
/* InReverse */
{0, 1, R128_SBLEND_ZERO | R128_DBLEND_SRC_ALPHA},
/* Out */
{1, 0, R128_SBLEND_INV_DST_ALPHA | R128_DBLEND_ZERO},
/* OutReverse */
{0, 1, R128_SBLEND_ZERO | R128_DBLEND_INV_SRC_ALPHA},
/* Atop */
{1, 1, R128_SBLEND_DST_ALPHA | R128_DBLEND_INV_SRC_ALPHA},
/* AtopReverse */
{1, 1, R128_SBLEND_INV_DST_ALPHA | R128_DBLEND_SRC_ALPHA},
/* Xor */
{1, 1, R128_SBLEND_INV_DST_ALPHA | R128_DBLEND_INV_SRC_ALPHA},
/* Add */
{0, 0, R128_SBLEND_ONE | R128_DBLEND_ONE},
};
static Bool
R128GetDatatypePict(CARD32 format, CARD32 *type)
{
switch (format) {
case PICT_a1r5g5b5:
case PICT_x1r5g5b5:
*type = R128_DATATYPE_ARGB1555;
return TRUE;
case PICT_r5g6b5:
*type = R128_DATATYPE_RGB565;
return TRUE;
case PICT_a8r8g8b8:
case PICT_x8r8g8b8:
*type = R128_DATATYPE_ARGB8888;
return TRUE;
default:
return FALSE;
}
}
static Bool
R128CheckCompositeTexture(PicturePtr pPict)
{
int w = pPict->pDrawable->width;
int h = pPict->pDrawable->height;
if (w > (1 << 10) || h > (1 << 10))
ATI_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h));
if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0))
ATI_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h));
switch (pPict->format) {
case PICT_a8:
case PICT_a1r5g5b5:
case PICT_a4r4g4b4:
case PICT_r5g6b5:
case PICT_a8r8g8b8:
break;
default:
ATI_FALLBACK(("Unsupported picture format 0x%x\n",
pPict->format));
}
return TRUE;
}
Bool
R128CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
CARD32 dstDatatype;
if (op >= sizeof(R128BlendOp)/sizeof(R128BlendOp[0]))
ATI_FALLBACK(("Unsupported op 0x%x\n", op));
if (pDstPicture->format == PICT_a8) {
if (R128BlendOp[op].src_alpha || R128BlendOp[op].dst_alpha ||
pMaskPicture != NULL)
ATI_FALLBACK(("alpha blending unsupported with "
"A8 dst?\n"));
} else if (!R128GetDatatypePict(pDstPicture->format, &dstDatatype)) {
ATI_FALLBACK(("Unsupported dest format 0x%x\n",
pDstPicture->format));
}
if (pMaskPicture != NULL && pMaskPicture->componentAlpha &&
R128BlendOp[op].src_alpha)
ATI_FALLBACK(("Component alpha not supported with source alpha "
"blending.\n"));
if (!R128CheckCompositeTexture(pSrcPicture))
return FALSE;
if (pMaskPicture != NULL && !R128CheckCompositeTexture(pMaskPicture))
return FALSE;
return TRUE;
}
static Bool
R128TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit, CARD32 *txsize,
CARD32 *tex_cntl_c)
{
int w = pPict->pDrawable->width;
int h = pPict->pDrawable->height;
int bytepp, shift, l2w, l2h, l2p;
int pitch;
pitch = pPix->devKind;
if ((pitch & (pitch - 1)) != 0)
ATI_FALLBACK(("NPOT pitch 0x%x unsupported\n", pitch));
switch (pPict->format) {
case PICT_a8:
/* DATATYPE_RGB8 appears to expand the value into the alpha
* channel like we want. We then blank out the R,G,B channels
* as necessary using the combiners.
*/
*tex_cntl_c = R128_DATATYPE_RGB8 << R128_TEX_DATATYPE_SHIFT;
break;
case PICT_a1r5g5b5:
*tex_cntl_c = R128_DATATYPE_ARGB1555 << R128_TEX_DATATYPE_SHIFT;
break;
case PICT_a4r4g4b4:
*tex_cntl_c = R128_DATATYPE_ARGB4444 << R128_TEX_DATATYPE_SHIFT;
break;
case PICT_r5g6b5:
*tex_cntl_c = R128_DATATYPE_RGB565 << R128_TEX_DATATYPE_SHIFT;
break;
case PICT_a8r8g8b8:
*tex_cntl_c = R128_DATATYPE_ARGB8888 << R128_TEX_DATATYPE_SHIFT;
break;
default:
return FALSE;
}
bytepp = PICT_FORMAT_BPP(pPict->format) / 8;
*tex_cntl_c |= R128_MIP_MAP_DISABLE;
if (pPict->filter == PictFilterBilinear)
*tex_cntl_c |= R128_MIN_BLEND_LINEAR | R128_MAG_BLEND_LINEAR;
if (unit == 0)
shift = 0;
else {
shift = 16;
*tex_cntl_c |= R128_SEC_SELECT_SEC_ST;
}
/* ATILog2 returns -1 for value of 0 */
l2w = ATILog2(w - 1) + 1;
l2h = ATILog2(h - 1) + 1;
l2p = ATILog2(pPix->devKind / bytepp);
if (pPict->repeat && w == 1 && h == 1)
l2p = 0;
else if (pPict->repeat && l2p != l2w)
ATI_FALLBACK(("Repeat not supported for pitch != width\n"));
l2w = l2p;
widths[unit] = 1 << l2w;
heights[unit] = 1 << l2h;
*txsize |= l2p << (R128_TEX_PITCH_SHIFT + shift);
*txsize |= ((l2w > l2h) ? l2w : l2h) << (R128_TEX_SIZE_SHIFT + shift);
*txsize |= l2h << (R128_TEX_HEIGHT_SHIFT + shift);
if (pPict->transform != 0) {
is_transform[unit] = TRUE;
transform[unit] = pPict->transform;
} else {
is_transform[unit] = FALSE;
}
return TRUE;
}
Bool
R128PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
KdScreenPriv(pDst->drawable.pScreen);
ATIScreenInfo(pScreenPriv);
CARD32 txsize = 0, prim_tex_cntl_c, sec_tex_cntl_c = 0, dstDatatype;
CARD32 dst_pitch_offset, color_factor, in_color_factor, alpha_comb;
CARD32 blend_cntl;
int i;
RING_LOCALS;
accel_atis = atis;
if (pDstPicture->format == PICT_a8)
dstDatatype = R128_DATATYPE_Y8;
else
R128GetDatatypePict(pDstPicture->format, &dstDatatype);
if (!R128TextureSetup(pSrcPicture, pSrc, 0, &txsize, &prim_tex_cntl_c))
return FALSE;
if (pMask != NULL && !R128TextureSetup(pMaskPicture, pMask, 1, &txsize,
&sec_tex_cntl_c))
return FALSE;
else if (pMask == NULL)
is_transform[1] = FALSE;
if (!ATIGetPixmapOffsetPitch(pDst, &dst_pitch_offset))
return FALSE;
blend_cntl = R128BlendOp[op].blendctl;
if (PICT_FORMAT_A(pDstPicture->format) == 0 &&
R128BlendOp[op].dst_alpha) {
if ((blend_cntl & R128_SBLEND_MASK) ==
R128_SBLEND_DST_ALPHA)
blend_cntl = (blend_cntl & ~R128_SBLEND_MASK) |
R128_SBLEND_ONE;
else if ((blend_cntl & R128_SBLEND_MASK) ==
R128_SBLEND_INV_DST_ALPHA)
blend_cntl = (blend_cntl & ~R128_SBLEND_MASK) |
R128_SBLEND_ZERO;
}
BEGIN_DMA(12);
OUT_REG(R128_REG_SCALE_3D_CNTL,
R128_SCALE_3D_TEXMAP_SHADE |
R128_SCALE_PIX_REPLICATE |
R128_TEX_CACHE_SPLIT |
R128_TEX_MAP_ALPHA_IN_TEXTURE |
R128_TEX_CACHE_LINE_SIZE_4QW);
OUT_REG(ATI_REG_DST_PITCH_OFFSET, dst_pitch_offset);
OUT_REG(ATI_REG_DP_GUI_MASTER_CNTL,
ATI_GMC_DST_PITCH_OFFSET_CNTL |
ATI_GMC_BRUSH_SOLID_COLOR |
(dstDatatype << 8) |
ATI_GMC_SRC_DATATYPE_COLOR |
(ATIBltRop[GXcopy] << 16) |
ATI_DP_SRC_SOURCE_MEMORY |
R128_GMC_3D_FCN_EN |
ATI_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS |
ATI_GMC_WR_MSK_DIS);
OUT_REG(R128_REG_MISC_3D_STATE_CNTL,
R128_MISC_SCALE_3D_TEXMAP_SHADE |
R128_MISC_SCALE_PIX_REPLICATE |
R128_ALPHA_COMB_ADD_CLAMP |
blend_cntl);
OUT_REG(R128_REG_TEX_CNTL_C,
R128_TEXMAP_ENABLE |
((pMask != NULL) ? R128_SEC_TEXMAP_ENABLE : 0) |
R128_ALPHA_ENABLE |
R128_TEX_CACHE_FLUSH);
OUT_REG(R128_REG_PC_GUI_CTLSTAT, R128_PC_FLUSH_GUI);
END_DMA();
/* IN operator: Without a mask, only the first texture unit is enabled.
* With a mask, we put the source in the first unit and have it pass
* through as input to the 2nd. The 2nd unit takes the incoming source
* pixel and modulates it with either the alpha or each of the channels
* in the mask, depending on componentAlpha.
*/
BEGIN_DMA(15);
OUT_RING(DMA_PACKET0(R128_REG_PRIM_TEX_CNTL_C, 14));
OUT_RING_REG(R128_REG_PRIM_TEX_CNTL_C, prim_tex_cntl_c);
/* If this is the only stage and the dest is a8, route the alpha result
* to the color (red channel, in particular), too. Otherwise, be sure
* to zero out color channels of an a8 source.
*/
if (pMaskPicture == NULL && pDstPicture->format == PICT_a8)
color_factor = R128_COLOR_FACTOR_ALPHA;
else if (pSrcPicture->format == PICT_a8)
color_factor = R128_COLOR_FACTOR_CONST_COLOR;
else
color_factor = R128_COLOR_FACTOR_TEX;
if (PICT_FORMAT_A(pSrcPicture->format) == 0)
alpha_comb = R128_COMB_ALPHA_COPY_INP;
else
alpha_comb = R128_COMB_ALPHA_DIS;
OUT_RING_REG(R128_REG_PRIM_TEXTURE_COMBINE_CNTL_C,
R128_COMB_COPY |
color_factor |
R128_INPUT_FACTOR_INT_COLOR |
alpha_comb |
R128_ALPHA_FACTOR_TEX_ALPHA |
R128_INP_FACTOR_A_CONST_ALPHA);
OUT_RING_REG(R128_REG_TEX_SIZE_PITCH_C, txsize);
/* We could save some output by only writing the offset register that
* will actually be used. On the other hand, this is easy.
*/
for (i = 0; i <= 10; i++) {
OUT_RING_REG(R128_REG_PRIM_TEX_0_OFFSET_C + 4 * i,
((CARD8 *)pSrc->devPrivate.ptr -
pScreenPriv->screen->memory_base));
}
END_DMA();
if (pMask != NULL) {
BEGIN_DMA(14);
OUT_RING(DMA_PACKET0(R128_REG_SEC_TEX_CNTL_C, 13));
OUT_RING_REG(R128_REG_SEC_TEX_CNTL_C, sec_tex_cntl_c);
if (pDstPicture->format == PICT_a8) {
color_factor = R128_COLOR_FACTOR_ALPHA;
in_color_factor = R128_INPUT_FACTOR_PREV_ALPHA;
} else if (pMaskPicture->componentAlpha) {
color_factor = R128_COLOR_FACTOR_TEX;
in_color_factor = R128_INPUT_FACTOR_PREV_COLOR;
} else {
color_factor = R128_COLOR_FACTOR_ALPHA;
in_color_factor = R128_INPUT_FACTOR_PREV_COLOR;
}
OUT_RING_REG(R128_REG_SEC_TEXTURE_COMBINE_CNTL_C,
R128_COMB_MODULATE |
color_factor |
in_color_factor |
R128_COMB_ALPHA_MODULATE |
R128_ALPHA_FACTOR_TEX_ALPHA |
R128_INP_FACTOR_A_PREV_ALPHA);
for (i = 0; i <= 10; i++) {
OUT_RING_REG(R128_REG_SEC_TEX_0_OFFSET_C + 4 * i,
((CARD8 *)pMask->devPrivate.ptr -
pScreenPriv->screen->memory_base));
}
END_DMA();
}
return TRUE;
}
#define VTX_RING_COUNT 8
#define VTX_OUT(_dstX, _dstY, _srcX, _srcY, _maskX, _maskY) \
do { \
OUT_RING_F((_dstX)); \
OUT_RING_F(((float)(_dstY)) + .125); \
OUT_RING_F(0.0); \
OUT_RING_F(1.0); \
OUT_RING_F((((float)(_srcX)) + 0.5) / (widths[0])); \
OUT_RING_F((((float)(_srcY)) + 0.5) / (heights[0])); \
OUT_RING_F((((float)(_maskX)) + 0.5) / (widths[1])); \
OUT_RING_F((((float)(_maskY)) + 0.5) / (heights[1])); \
} while (0)
void
R128Composite(int srcX, int srcY, int maskX, int maskY, int dstX, int dstY,
int w, int h)
{
ATIScreenInfo *atis = accel_atis;
int srcXend, srcYend, maskXend, maskYend;
PictVector v;
RING_LOCALS;
/*ErrorF("R128Composite (%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]);
}
BEGIN_DMA(3 + 4 * VTX_RING_COUNT);
OUT_RING(DMA_PACKET3(ATI_CCE_PACKET3_3D_RNDR_GEN_PRIM,
2 + 4 * VTX_RING_COUNT));
OUT_RING(R128_CCE_VC_FRMT_RHW |
R128_CCE_VC_FRMT_S_T |
R128_CCE_VC_FRMT_S2_T2);
OUT_RING(R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN |
R128_CCE_VC_CNTL_PRIM_WALK_RING |
(4 << R128_CCE_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);
END_DMA();
}
void
R128DoneComposite(void)
{
}
Bool
R128PrepareTrapezoids(PicturePtr pDstPicture, PixmapPtr pDst)
{
KdScreenPriv(pDst->drawable.pScreen);
ATIScreenInfo(pScreenPriv);
CARD32 dst_pitch_offset;
RING_LOCALS;
accel_atis = atis;
if (!ATIGetPixmapOffsetPitch(pDst, &dst_pitch_offset))
return FALSE;
BEGIN_DMA(18);
OUT_REG(R128_REG_SCALE_3D_CNTL,
R128_SCALE_3D_TEXMAP_SHADE |
R128_SCALE_PIX_REPLICATE |
R128_TEX_CACHE_SPLIT |
R128_TEX_CACHE_LINE_SIZE_4QW);
OUT_REG(ATI_REG_DST_PITCH_OFFSET, dst_pitch_offset);
OUT_REG(ATI_REG_DP_GUI_MASTER_CNTL,
ATI_GMC_DST_PITCH_OFFSET_CNTL |
ATI_GMC_BRUSH_SOLID_COLOR |
(R128_DATATYPE_RGB8 << 8) |
ATI_GMC_SRC_DATATYPE_COLOR |
(ATIBltRop[GXcopy] << 16) |
ATI_DP_SRC_SOURCE_MEMORY |
R128_GMC_3D_FCN_EN |
ATI_GMC_CLR_CMP_CNTL_DIS |
ATI_GMC_WR_MSK_DIS);
OUT_REG(R128_REG_MISC_3D_STATE_CNTL,
R128_MISC_SCALE_3D_TEXMAP_SHADE |
R128_MISC_SCALE_PIX_REPLICATE |
R128_ALPHA_COMB_ADD_CLAMP |
R128BlendOp[PictOpAdd].blendctl);
OUT_REG(R128_REG_TEX_CNTL_C,
R128_ALPHA_ENABLE);
OUT_REG(R128_REG_PC_GUI_CTLSTAT, R128_PC_FLUSH_GUI);
OUT_RING(DMA_PACKET0(R128_REG_AUX_SC_CNTL, 5));
OUT_RING_REG(R128_REG_AUX_SC_CNTL, R128_AUX1_SC_ENB);
OUT_RING_REG(R128_REG_AUX1_SC_LEFT, 0);
OUT_RING_REG(R128_REG_AUX1_SC_RIGHT, pDst->drawable.width);
OUT_RING_REG(R128_REG_AUX1_SC_TOP, 0);
OUT_RING_REG(R128_REG_AUX1_SC_BOTTOM, pDst->drawable.height);
END_DMA();
return TRUE;
}
#define TRAP_VERT_RING_COUNT 4
#define TRAP_VERT(_x, _y) \
do { \
OUT_RING_F((_x) + sample_x); \
OUT_RING_F((_y) + 0.125 + sample_y); \
OUT_RING_F(0.0); \
OUT_RING(0x01010101); \
} while (0)
void
R128Trapezoids(KaaTrapezoid *traps, int ntraps)
{
ATIScreenInfo *atis = accel_atis;
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;
BEGIN_DMA(3 + vertcount * TRAP_VERT_RING_COUNT);
OUT_RING(DMA_PACKET3(ATI_CCE_PACKET3_3D_RNDR_GEN_PRIM,
2 + vertcount * TRAP_VERT_RING_COUNT));
OUT_RING(R128_CCE_VC_FRMT_DIFFUSE_ARGB);
OUT_RING(R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN |
R128_CCE_VC_CNTL_PRIM_WALK_RING |
(vertcount << R128_CCE_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
R128DoneTrapezoids(void)
{
}