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Clean up Rage 128 composite code. Now it composites more operations

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correctly and is simpler.
This commit is contained in:
Eric Anholt 2004-07-03 10:23:03 +00:00
parent 0207015669
commit 7c466d64c3
1 changed files with 12 additions and 24 deletions
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36
hw/kdrive/ati/r128_composite.c
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@ -238,10 +238,6 @@ R128CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
if (op >= sizeof(R128BlendOp)/sizeof(R128BlendOp[0]))
ATI_FALLBACK(("Unsupported op 0x%x\n", op));
if (op == PictOpIn || op == PictOpOut || op == PictOpAtopReverse ||
op == PictOpXor)
if (op != PictOpOver)
ATI_FALLBACK(("Something's wacky with these ops\n"));
if (pSrcPicture->transform)
ATI_FALLBACK(("Source transform unsupported.\n"));
if (pMaskPicture && pMaskPicture->transform)
@ -288,27 +284,23 @@ R128TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit, CARD32 *txsize,
* as necessary using the combiners.
*/
*tex_cntl_c = R128_DATATYPE_RGB8 << R128_TEX_DATATYPE_SHIFT;
bytepp = 1;
break;
case PICT_a1r5g5b5:
*tex_cntl_c = R128_DATATYPE_ARGB1555 << R128_TEX_DATATYPE_SHIFT;
bytepp = 2;
break;
case PICT_a4r4g4b4:
*tex_cntl_c = R128_DATATYPE_ARGB4444 << R128_TEX_DATATYPE_SHIFT;
bytepp = 2;
break;
case PICT_r5g6b5:
*tex_cntl_c = R128_DATATYPE_RGB565 << R128_TEX_DATATYPE_SHIFT;
bytepp = 2;
break;
case PICT_a8r8g8b8:
*tex_cntl_c = R128_DATATYPE_ARGB8888 << R128_TEX_DATATYPE_SHIFT;
bytepp = 4;
break;
default:
return FALSE;
}
bytepp = PICT_FORMAT_BPP(pPict->format) / 8;
*tex_cntl_c |= R128_MIP_MAP_DISABLE;
@ -319,14 +311,9 @@ R128TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit, CARD32 *txsize,
*tex_cntl_c |= R128_SEC_SELECT_SEC_ST;
}
if (w == 1)
l2w = 0;
else
l2w = ATILog2(w - 1) + 1;
if (h == 1)
l2h = 0;
else
l2h = ATILog2(h - 1) + 1;
/* 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)
@ -351,7 +338,7 @@ R128PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
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;
CARD32 dst_pitch_offset, color_factor, in_color_factor, alpha_comb;
int i;
RING_LOCALS;
@ -429,12 +416,17 @@ R128PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
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(R128_COMB_COPY |
color_factor |
R128_INPUT_FACTOR_INT_COLOR |
R128_COMB_ALPHA_DIS |
alpha_comb |
R128_ALPHA_FACTOR_TEX_ALPHA |
R128_INP_FACTOR_A_INT_ALPHA);
R128_INP_FACTOR_A_CONST_ALPHA);
OUT_RING(txsize);
/* We could save some output by only writing the offset register that
* will actually be used. On the other hand, this is easy.
@ -453,10 +445,6 @@ R128PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
OUT_RING(DMA_PACKET0(R128_REG_SEC_TEX_CNTL_C, 13));
OUT_RING(sec_tex_cntl_c);
/* XXX: Need to check with keithp to see if component alpha a8
* masks should act as non-CA, or if they should expand the RGB
* channels as 0.
*/
if (pDstPicture->format == PICT_a8) {
color_factor = R128_COLOR_FACTOR_ALPHA;
in_color_factor = R128_INPUT_FACTOR_PREV_ALPHA;