diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lx_exa.c | 85 |
1 files changed, 74 insertions, 11 deletions
diff --git a/src/lx_exa.c b/src/lx_exa.c index 83187fb..7c9e8a2 100644 --- a/src/lx_exa.c +++ b/src/lx_exa.c @@ -65,7 +65,8 @@ static const struct exa_format_t PICT_b5g6r5, 16, CIMGP_SOURCE_FMT_16BPP_BGR, 0}, { PICT_x1r5g5b5, 16, CIMGP_SOURCE_FMT_1_5_5_5, 0}, { PICT_x1b5g5r5, 16, CIMGP_SOURCE_FMT_15BPP_BGR, 0}, { - PICT_r3g3b2, 8, CIMGP_SOURCE_FMT_3_3_2, 0} + PICT_r3g3b2, 8, CIMGP_SOURCE_FMT_3_3_2, 0}, { + PICT_a8, 32, CIMGP_SOURCE_FMT_8_8_8_8, 8} }; /* This is a chunk of memory we use for scratch space */ @@ -457,16 +458,9 @@ lx_get_format(PicturePtr p) int i; unsigned int format = p->format; - for (i = 0; i < ARRAY_SIZE(lx_exa_formats); i++) { - - if (lx_exa_formats[i].bpp < PICT_FORMAT_BPP(format)) - break; - else if (lx_exa_formats[i].bpp != PICT_FORMAT_BPP(format)) - continue; - + for (i = 0; i < ARRAY_SIZE(lx_exa_formats); i++) if (lx_exa_formats[i].exa == format) return (&lx_exa_formats[i]); - } return NULL; } @@ -543,6 +537,16 @@ lx_check_composite(int op, PicturePtr pSrc, PicturePtr pMsk, PicturePtr pDst) if (op > PictOpAdd) return FALSE; + /* These two workaround conditions are dued to Xserver bug that leads to + * PICT_a8r8g8b8 pSrc or pDst for PictOpAdd glyph rendering*/ + if (op == PictOpAdd && pSrc->format == PICT_a8r8g8b8 && + pDst->format == PICT_a8 && !pMsk) + return TRUE; + + if (op == PictOpAdd && pSrc->format == PICT_r5g6b5 && + pDst->format == PICT_a8 && !pMsk) + return TRUE; + /* We need the off-screen buffer to do the multipass work */ if (usesPasses(op)) { @@ -586,7 +590,8 @@ lx_check_composite(int op, PicturePtr pSrc, PicturePtr pMsk, PicturePtr pDst) /* XXX - I don't understand PICT_a8 enough - so I'm punting */ - if (pSrc->format == PICT_a8 || pDst->format == PICT_a8) + if ((op != PictOpAdd) && (pSrc->format == PICT_a8 || + pDst->format == PICT_a8)) return FALSE; if (pMsk && op != PictOpClear) { @@ -795,6 +800,60 @@ get_op_type(struct exa_format_t *src, struct exa_format_t *dst, int type) ((_x) * exaScratch.srcBpp)) static void +lx_composite_onepass_pict_a8(PixmapPtr pxDst, unsigned long dstOffset, + unsigned long srcOffset, int width, int height, int opX, int opY, + int srcX, int srcY) +{ + struct blend_ops_t *opPtr; + int apply, type; + int optempX, optempY; + int i, j; + unsigned long pixmapOffset, pixmapPitch, calBitsPixel; + + pixmapOffset = exaGetPixmapOffset(pxDst); + pixmapPitch = exaGetPixmapPitch(pxDst); + calBitsPixel = (pxDst->drawable.bitsPerPixel + 7) / 8; + gp_wait_until_idle(); + + if (opX % 4 == 0) { + /* HW acceleration */ + opPtr = &lx_alpha_ops[exaScratch.op * 2]; + apply = CIMGP_APPLY_BLEND_TO_ALL; + gp_declare_blt(0); + gp_set_bpp(32); + gp_set_strides(exaGetPixmapPitch(pxDst), exaScratch.srcPitch); + gp_set_source_format(8); + type = opPtr->type; + gp_set_alpha_operation(opPtr->operation, type, opPtr->channel, apply, 0); + gp_screen_to_screen_convert(dstOffset, srcOffset, width / 4, height, 0); + /* Calculate the pixels in the tail of each line */ + for (j = srcY; j < srcY + height; j++) + for (i = srcX + (width / 4) * 4; i < srcX + width; i++) { + srcOffset = GetSrcOffset(i, j); + optempX = opX + i - srcX; + optempY = opY + j - srcY; + dstOffset = pixmapOffset + pixmapPitch * optempY + + calBitsPixel * optempX; + *(cim_fb_ptr + dstOffset) = (*(cim_fb_ptr + srcOffset) + + *(cim_fb_ptr + dstOffset) <= 0xff) ? + *(cim_fb_ptr + srcOffset) + *(cim_fb_ptr + dstOffset) : 0xff; + } + } else { + for (j = srcY; j < srcY + height; j++) + for (i = srcX; i < srcX + width; i++) { + srcOffset = GetSrcOffset(i, j); + optempX = opX + i - srcX; + optempY = opY + j - srcY; + dstOffset = pixmapOffset + pixmapPitch * optempY + + calBitsPixel * optempX; + *(cim_fb_ptr + dstOffset) = (*(cim_fb_ptr + srcOffset) + + *(cim_fb_ptr + dstOffset) <= 0xff) ? + *(cim_fb_ptr + srcOffset) + *(cim_fb_ptr + dstOffset) : 0xff; + } + } +} + +static void lx_composite_onepass(PixmapPtr pxDst, unsigned long dstOffset, unsigned long srcOffset, int width, int height) { @@ -1299,7 +1358,11 @@ lx_do_composite(PixmapPtr pxDst, int srcX, int srcY, int maskX, lx_composite_onepass_special(pxDst, opWidth, opHeight, opX, opY, srcX, srcY); return ; - } else + } else if ((exaScratch.op == PictOpAdd) && (exaScratch.srcFormat->exa + == PICT_a8) && (exaScratch.dstFormat->exa == PICT_a8)) + lx_composite_onepass_pict_a8(pxDst, dstOffset, srcOffset, + opWidth, opHeight, opX, opY, srcX, srcY); + else lx_composite_onepass(pxDst, dstOffset, srcOffset, opWidth, opHeight); break; |