diff options
author | Frank Huang <frankr.huang@amd.com> | 2010-08-18 15:37:18 +0800 |
---|---|---|
committer | Martin-Éric Racine <q-funk@iki.fi> | 2010-08-18 11:10:28 +0300 |
commit | c77eb79ef24c47ed7431713918a731252ea8153b (patch) | |
tree | fb860f554689a97d72fe494c389f4be0cdc61197 | |
parent | 32a927b8e627b3f9759ccfbff231f5fd22445f02 (diff) |
Fix the PictOpIn and PictOpOut
*Correct the entry for PictOpIn, PictOpOut, PictOpOverReverse
*Some code format adjustment
*Delete the maskflag(temp variable)
*Change the code to make the black region(More reasonable than change
op from PictOpSrc to PictOpClear)
Signed-off-by: Frank Huang <frankr.huang@amd.com>
-rw-r--r-- | src/lx_exa.c | 170 |
1 files changed, 74 insertions, 96 deletions
diff --git a/src/lx_exa.c b/src/lx_exa.c index e6a3b32..6bc84ea 100644 --- a/src/lx_exa.c +++ b/src/lx_exa.c @@ -414,20 +414,20 @@ struct blend_ops_t CIMGP_ALPHA_TIMES_A, CIMGP_CONVERTED_ALPHA, CIMGP_CHANNEL_A_SOURCE}, /* PictOpOverReverse */ { - CIMGP_A_PLUS_BETA_B, CIMGP_CHANNEL_B_ALPHA, CIMGP_CHANNEL_A_DEST}, { + CIMGP_A_PLUS_BETA_B, CIMGP_CHANNEL_A_ALPHA, CIMGP_CHANNEL_A_DEST}, { CIMGP_ALPHA_TIMES_A, CIMGP_CONVERTED_ALPHA, CIMGP_CHANNEL_A_SOURCE}, /* PictOpIn */ { CIMGP_ALPHA_TIMES_A, CIMGP_CHANNEL_B_ALPHA, CIMGP_CHANNEL_A_SOURCE}, { - }, + CIMGP_ALPHA_TIMES_A, CIMGP_CONVERTED_ALPHA, CIMGP_CHANNEL_A_SOURCE}, /* PictOpInReverse */ { CIMGP_ALPHA_TIMES_A, CIMGP_CHANNEL_B_ALPHA, CIMGP_CHANNEL_A_DEST}, { CIMGP_ALPHA_TIMES_A, CIMGP_CONVERTED_ALPHA, CIMGP_CHANNEL_A_SOURCE}, /* PictOpOut */ { - CIMGP_BETA_TIMES_B, CIMGP_CHANNEL_A_ALPHA, CIMGP_CHANNEL_A_SOURCE}, { - }, + CIMGP_BETA_TIMES_B, CIMGP_CHANNEL_A_ALPHA, CIMGP_CHANNEL_A_DEST}, { + CIMGP_ALPHA_TIMES_A, CIMGP_CONVERTED_ALPHA, CIMGP_CHANNEL_A_SOURCE}, /* PictOpOutReverse */ { CIMGP_BETA_TIMES_B, CIMGP_CHANNEL_A_ALPHA, CIMGP_CHANNEL_A_SOURCE}, { @@ -680,14 +680,18 @@ lx_prepare_composite(int op, PicturePtr pSrc, PicturePtr pMsk, if (pMsk && op != PictOpClear) { /* Get the source color */ - /* If the op is PictOpOver(or PictOpOutReverse,PictOpInReverse) - * we should get the ARGB32 source format */ + /* If the op is PictOpOver(or PictOpOutReverse, PictOpInReverse, + * PictOpIn, PictOpOut, PictOpOverReverse), we should get the + * ARGB32 source format */ if ((op == PictOpOver || op == PictOpOutReverse || op == - PictOpInReverse) && (srcFmt->alphabits != 0)) + PictOpInReverse || op == PictOpIn || op == PictOpOut || + op == PictOpOverReverse) && (srcFmt->alphabits != 0)) exaScratch.srcColor = exaGetPixmapFirstPixel(pxSrc); else if ((op == PictOpOver || op == PictOpOutReverse || op == - PictOpInReverse) && (srcFmt->alphabits == 0)) + PictOpInReverse || op == PictOpIn || op == PictOpOut || + op == PictOpOverReverse) && + (srcFmt->alphabits == 0)) exaScratch.srcColor = lx_get_source_color(pxSrc, pSrc->format, PICT_a8r8g8b8); else @@ -1193,10 +1197,6 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, { unsigned int dstOffset, srcOffset = 0; - /* Use maskflag to record the exaScratch.type when it is COMP_TYPE_MASK. - * This is useful for PictOpSrc operation when exaScratch.type is changed */ - int maskflag = 0; - xPointFixed srcPoint; int opX = dstX; @@ -1279,62 +1279,62 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, if ((exaScratch.srcHeight - maskY) < opHeight) opHeight = exaScratch.srcHeight - maskY; } else { - if (exaScratch.type == COMP_TYPE_ONEPASS) { - /* This is the condition srcX or/and srcY is/are out of source - * region */ - if (((srcX >= 0 && srcY >= exaScratch.srcHeight) - || (srcX >= exaScratch.srcWidth && srcY >= 0)) && - (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { - if (exaScratch.repeat == 1) { - opWidth = width; - opHeight = height; - } else { - if (exaScratch.op == PictOpOver) - return ; - else { - exaScratch.op = PictOpClear; - opWidth = width; - opHeight = height; - } - } - /* This is the condition srcX or/and srcY is/are in the source - * region */ - } else if (srcX >= 0 && srcY >= 0 && - (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { - if (exaScratch.repeat == 1) { - opWidth = width; - opHeight = height; - } else { - if ((exaScratch.srcWidth - srcX) < opWidth) - opWidth = exaScratch.srcWidth - srcX; - if ((exaScratch.srcHeight - srcY) < opHeight) - opHeight = exaScratch.srcHeight - srcY; - } - /* This is the condition srcX or/and srcY is/are negative */ - } else if ((srcX < 0 || srcY < 0) && - (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { - if (exaScratch.repeat == 1) { + if (exaScratch.type == COMP_TYPE_ONEPASS) { + /* This is the condition srcX or/and srcY is/are out of source + * region */ + if (((srcX >= 0 && srcY >= exaScratch.srcHeight) + || (srcX >= exaScratch.srcWidth && srcY >= 0)) && + (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { + if (exaScratch.repeat == 1) { + opWidth = width; + opHeight = height; + } else { + if (exaScratch.op == PictOpOver) + return ; + else { + exaScratch.op = PictOpClear; opWidth = width; opHeight = height; - } else { - /* Have not met this condition till now */ - return ; } + } + /* This is the condition srcX or/and srcY is/are in the source + * region */ + } else if (srcX >= 0 && srcY >= 0 && + (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { + if (exaScratch.repeat == 1) { + opWidth = width; + opHeight = height; } else { - if (exaScratch.srcWidth < opWidth) - opWidth = exaScratch.srcWidth; - if (exaScratch.srcHeight < opHeight) - opHeight = exaScratch.srcHeight; + if ((exaScratch.srcWidth - srcX) < opWidth) + opWidth = exaScratch.srcWidth - srcX; + if ((exaScratch.srcHeight - srcY) < opHeight) + opHeight = exaScratch.srcHeight - srcY; } - } else { - if (exaScratch.rotate == RR_Rotate_180) { + /* This is the condition srcX or/and srcY is/are negative */ + } else if ((srcX < 0 || srcY < 0) && + (exaScratch.op == PictOpOver || exaScratch.op == PictOpSrc)) { + if (exaScratch.repeat == 1) { + opWidth = width; + opHeight = height; } else { - if ((exaScratch.srcWidth - srcY) < opWidth) - opWidth = exaScratch.srcWidth - srcY; - if ((exaScratch.srcHeight - srcX) < opHeight) - opHeight = exaScratch.srcHeight - srcX; + /* Have not met this condition till now */ + return ; } + } else { + if (exaScratch.srcWidth < opWidth) + opWidth = exaScratch.srcWidth; + if (exaScratch.srcHeight < opHeight) + opHeight = exaScratch.srcHeight; + } + } else { + if (exaScratch.rotate == RR_Rotate_180) { + } else { + if ((exaScratch.srcWidth - srcY) < opWidth) + opWidth = exaScratch.srcWidth - srcY; + if ((exaScratch.srcHeight - srcX) < opHeight) + opHeight = exaScratch.srcHeight - srcX; } + } } while (1) { @@ -1344,14 +1344,15 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, switch (exaScratch.type) { case COMP_TYPE_MASK:{ - maskflag = 1; - if (exaScratch.op == PictOpOver || exaScratch.op == - PictOpOutReverse || exaScratch.op == PictOpInReverse) - lx_do_composite_mask_two_pass(pxDst, dstOffset, - srcOffset, opWidth, opHeight, opX, opY, srcPoint); - else - lx_do_composite_mask(pxDst, dstOffset, srcOffset, - opWidth, opHeight); + if (exaScratch.op == PictOpOver || exaScratch.op == + PictOpOutReverse || exaScratch.op == PictOpInReverse || + exaScratch.op == PictOpIn || exaScratch.op == PictOpOut || + exaScratch.op == PictOpOverReverse) + lx_do_composite_mask_two_pass(pxDst, dstOffset, + srcOffset, opWidth, opHeight, opX, opY, srcPoint); + else + lx_do_composite_mask(pxDst, dstOffset, srcOffset, + opWidth, opHeight); } break; @@ -1394,26 +1395,14 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, * and maskY coordinate are negative or greater than * exaScratch.srcWidth and exaScratch.srcHeight */ - if (maskflag == 1) { + if (exaScratch.type == COMP_TYPE_MASK) { opWidth = ((dstX + width) - opX) > (exaScratch.srcWidth - maskX) ? (exaScratch.srcWidth - maskX) : (dstX + width) - opX; opHeight = ((dstY + height) - opY) > (exaScratch.srcHeight - maskY) ? (exaScratch.srcHeight - maskY) : (dstY + height) - opY; - /* Use the PictOpClear to make other non-blending region(out of - * mask region) to be black if the op is PictOpSrc or - * PictOpClear */ - if (!exaScratch.maskrepeat) { - if ((exaScratch.op == PictOpClear) || - (exaScratch.op == PictOpSrc)) { - exaScratch.op = PictOpClear; - exaScratch.type = COMP_TYPE_ONEPASS; - } else if (exaScratch.op == PictOpOver) - break; - /* Outside the source is all zero vectors */ - else if (exaScratch.op == PictOpOutReverse || exaScratch.op == - PictOpInReverse) - exaScratch.srcColor = 0x0; - } + /* All black out of the mask */ + if (!exaScratch.maskrepeat) + exaScratch.srcColor = 0x0; } else { if (exaScratch.type == COMP_TYPE_ONEPASS) { if (srcX >= 0 && srcY >= 0 && (exaScratch.op == PictOpOver || @@ -1437,21 +1426,10 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, opHeight = ((dstY + height) - opY) > (exaScratch.srcHeight - srcX ) ? (exaScratch.srcHeight - srcX) : (dstY + height) - opY; } - - /* Use the PictOpClear to make other non-blending region(out of - * source region) to be black if the op is PictOpSrc or - * PictOpClear. Special attention to rotation condition */ + /* All black out of the source */ if (!exaScratch.repeat && (exaScratch.type == COMP_TYPE_ONEPASS)) { - if ((exaScratch.op == PictOpClear) || - (exaScratch.op == PictOpSrc)) - exaScratch.op = PictOpClear; - /* Outside the source is all zero vectors */ - else if (exaScratch.op == PictOpOutReverse || exaScratch.op == - PictOpInReverse) lx_composite_all_black(srcOffset, exaScratch.srcWidth, exaScratch.srcHeight); - else - break; } if (!exaScratch.repeat && (exaScratch.type == COMP_TYPE_ROTATE)) break; |