799 lines
21 KiB
C
799 lines
21 KiB
C
/*
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* Copyright © 2001 Keith Packard
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*
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* Partly based on code that is Copyright © The XFree86 Project Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "exa_priv.h"
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#ifdef RENDER
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#include "mipict.h"
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#include "xf86str.h"
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#include "xf86.h"
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#if DEBUG_TRACE_FALL
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static void exaCompositeFallbackPictDesc(PicturePtr pict, char *string, int n)
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{
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char format[20];
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char size[20];
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char loc;
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int temp;
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if (!pict) {
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snprintf(string, n, "None");
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return;
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}
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switch (pict->format)
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{
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case PICT_a8r8g8b8:
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snprintf(format, 20, "ARGB8888");
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break;
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case PICT_r5g6b5:
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snprintf(format, 20, "RGB565 ");
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break;
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case PICT_x1r5g5b5:
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snprintf(format, 20, "RGB555 ");
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break;
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case PICT_a8:
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snprintf(format, 20, "A8 ");
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break;
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case PICT_a1:
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snprintf(format, 20, "A1 ");
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break;
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default:
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snprintf(format, 20, "0x%x", (int)pict->format);
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break;
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}
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loc = exaGetOffscreenPixmap(pict->pDrawable, &temp, &temp) ? 's' : 'm';
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snprintf(size, 20, "%dx%d%s", pict->pDrawable->width,
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pict->pDrawable->height, pict->repeat ?
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" R" : "");
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snprintf(string, n, "0x%lx:%c fmt %s (%s)", (long)pict->pDrawable, loc, format, size);
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}
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static void
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exaPrintCompositeFallback(CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst)
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{
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char sop[20];
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char srcdesc[40], maskdesc[40], dstdesc[40];
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switch(op)
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{
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case PictOpSrc:
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sprintf(sop, "Src");
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break;
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case PictOpOver:
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sprintf(sop, "Over");
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break;
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default:
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sprintf(sop, "0x%x", (int)op);
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break;
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}
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exaCompositeFallbackPictDesc(pSrc, srcdesc, 40);
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exaCompositeFallbackPictDesc(pMask, maskdesc, 40);
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exaCompositeFallbackPictDesc(pDst, dstdesc, 40);
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ErrorF("Composite fallback: op %s, \n"
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" src %s, \n"
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" mask %s, \n"
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" dst %s, \n",
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sop, srcdesc, maskdesc, dstdesc);
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}
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#endif
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static Bool
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exaGetPixelFromRGBA(CARD32 *pixel,
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CARD16 red,
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CARD16 green,
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CARD16 blue,
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CARD16 alpha,
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CARD32 format)
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{
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int rbits, bbits, gbits, abits;
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int rshift, bshift, gshift, ashift;
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*pixel = 0;
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if (!PICT_FORMAT_COLOR(format))
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return FALSE;
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rbits = PICT_FORMAT_R(format);
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gbits = PICT_FORMAT_G(format);
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bbits = PICT_FORMAT_B(format);
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abits = PICT_FORMAT_A(format);
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if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
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bshift = 0;
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gshift = bbits;
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rshift = gshift + gbits;
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ashift = rshift + rbits;
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} else { /* PICT_TYPE_ABGR */
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rshift = 0;
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gshift = rbits;
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bshift = gshift + gbits;
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ashift = bshift + bbits;
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}
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*pixel |= ( blue >> (16 - bbits)) << bshift;
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*pixel |= ( red >> (16 - rbits)) << rshift;
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*pixel |= (green >> (16 - gbits)) << gshift;
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*pixel |= (alpha >> (16 - abits)) << ashift;
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return TRUE;
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}
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static Bool
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exaGetRGBAFromPixel(CARD32 pixel,
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CARD16 *red,
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CARD16 *green,
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CARD16 *blue,
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CARD16 *alpha,
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CARD32 format)
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{
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int rbits, bbits, gbits, abits;
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int rshift, bshift, gshift, ashift;
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if (!PICT_FORMAT_COLOR(format))
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return FALSE;
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rbits = PICT_FORMAT_R(format);
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gbits = PICT_FORMAT_G(format);
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bbits = PICT_FORMAT_B(format);
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abits = PICT_FORMAT_A(format);
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if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
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bshift = 0;
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gshift = bbits;
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rshift = gshift + gbits;
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ashift = rshift + rbits;
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} else { /* PICT_TYPE_ABGR */
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rshift = 0;
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gshift = rbits;
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bshift = gshift + gbits;
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ashift = bshift + bbits;
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}
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*red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
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while (rbits < 16) {
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*red |= *red >> rbits;
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rbits <<= 1;
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}
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*green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits);
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while (gbits < 16) {
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*green |= *green >> gbits;
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gbits <<= 1;
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}
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*blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits);
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while (bbits < 16) {
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*blue |= *blue >> bbits;
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bbits <<= 1;
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}
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if (abits) {
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*alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits);
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while (abits < 16) {
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*alpha |= *alpha >> abits;
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abits <<= 1;
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}
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} else
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*alpha = 0xffff;
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return TRUE;
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}
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static int
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exaTryDriverSolidFill(PicturePtr pSrc,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height)
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{
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ExaScreenPriv (pDst->pDrawable->pScreen);
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RegionRec region;
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BoxPtr pbox;
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int nbox;
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int dst_off_x, dst_off_y;
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PixmapPtr pSrcPix, pDstPix;
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CARD32 pixel;
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CARD16 red, green, blue, alpha;
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xDst += pDst->pDrawable->x;
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yDst += pDst->pDrawable->y;
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xSrc += pSrc->pDrawable->x;
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ySrc += pSrc->pDrawable->y;
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if (!miComputeCompositeRegion (®ion, pSrc, NULL, pDst,
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xSrc, ySrc, 0, 0, xDst, yDst,
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width, height))
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return 1;
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exaDrawableUseMemory(pSrc->pDrawable);
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exaDrawableUseScreen(pDst->pDrawable);
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pDstPix = exaGetOffscreenPixmap (pDst->pDrawable, &dst_off_x, &dst_off_y);
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if (!pDstPix) {
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return 0;
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}
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pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
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exaPrepareAccess(&pSrcPix->drawable, EXA_PREPARE_SRC);
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switch (pSrcPix->drawable.bitsPerPixel) {
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case 32:
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pixel = *(CARD32 *)(pSrcPix->devPrivate.ptr);
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break;
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case 16:
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pixel = *(CARD16 *)(pSrcPix->devPrivate.ptr);
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break;
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default:
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pixel = *(CARD8 *)(pSrcPix->devPrivate.ptr);
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break;
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}
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if (!exaGetRGBAFromPixel(pixel, &red, &green, &blue, &alpha,
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pSrc->format))
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{
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return -1;
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}
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exaFinishAccess(&pSrcPix->drawable, EXA_PREPARE_SRC);
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exaGetPixelFromRGBA(&pixel, red, green, blue, alpha,
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pDst->format);
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if (!(*pExaScr->info->accel.PrepareSolid) (pDstPix, GXcopy, 0xffffffff, pixel))
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{
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return -1;
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}
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nbox = REGION_NUM_RECTS(®ion);
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pbox = REGION_RECTS(®ion);
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while (nbox--)
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{
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(*pExaScr->info->accel.Solid) (pDstPix,
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pbox->x1 + dst_off_x,
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pbox->y1 + dst_off_y,
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pbox->x2 + dst_off_x,
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pbox->y2 + dst_off_y);
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pbox++;
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}
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(*pExaScr->info->accel.DoneSolid) (pDstPix);
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exaMarkSync(pDst->pDrawable->pScreen);
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exaDrawableDirty (pDst->pDrawable);
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return 1;
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}
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static int
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exaTryDriverComposite(CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height)
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{
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ExaScreenPriv (pDst->pDrawable->pScreen);
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RegionRec region;
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BoxPtr pbox;
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int nbox;
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int src_off_x, src_off_y, mask_off_x, mask_off_y, dst_off_x, dst_off_y;
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PixmapPtr pSrcPix, pMaskPix = NULL, pDstPix;
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struct _Pixmap scratch;
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/* Bail if we might exceed coord limits by rendering from/to these. We
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* should really be making some scratch pixmaps with offsets and coords
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* adjusted to deal with this, but it hasn't been done yet.
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*/
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if (pSrc->pDrawable->width > pExaScr->info->card.maxX ||
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pSrc->pDrawable->height > pExaScr->info->card.maxY ||
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pDst->pDrawable->width > pExaScr->info->card.maxX ||
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pDst->pDrawable->height > pExaScr->info->card.maxY ||
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(pMask && (pMask->pDrawable->width > pExaScr->info->card.maxX ||
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pMask->pDrawable->height > pExaScr->info->card.maxY)))
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{
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return -1;
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}
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xDst += pDst->pDrawable->x;
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yDst += pDst->pDrawable->y;
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if (pMask) {
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xMask += pMask->pDrawable->x;
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yMask += pMask->pDrawable->y;
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}
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xSrc += pSrc->pDrawable->x;
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ySrc += pSrc->pDrawable->y;
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if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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xSrc, ySrc, xMask, yMask, xDst, yDst,
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width, height))
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return 1;
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if (pExaScr->info->accel.CheckComposite &&
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!(*pExaScr->info->accel.CheckComposite) (op, pSrc, pMask, pDst))
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{
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return -1;
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}
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exaDrawableUseScreen(pSrc->pDrawable);
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if (pMask != NULL)
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exaDrawableUseScreen(pMask->pDrawable);
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exaDrawableUseScreen(pDst->pDrawable);
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pSrcPix = exaGetOffscreenPixmap (pSrc->pDrawable, &src_off_x, &src_off_y);
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if (pMask)
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pMaskPix = exaGetOffscreenPixmap (pMask->pDrawable, &mask_off_x,
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&mask_off_y);
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pDstPix = exaGetOffscreenPixmap (pDst->pDrawable, &dst_off_x, &dst_off_y);
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if (!pDstPix) {
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return 0;
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}
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|
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if (!pSrcPix && (!pMask || pMaskPix) && pExaScr->info->accel.UploadToScratch) {
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pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
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if ((*pExaScr->info->accel.UploadToScratch) (pSrcPix, &scratch))
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pSrcPix = &scratch;
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} else if (pSrcPix && pMask && !pMaskPix && pExaScr->info->accel.UploadToScratch) {
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pMaskPix = exaGetDrawablePixmap (pMask->pDrawable);
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if ((*pExaScr->info->accel.UploadToScratch) (pMaskPix, &scratch))
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pMaskPix = &scratch;
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}
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if (!pSrcPix || (pMask && !pMaskPix)) {
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return 0;
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}
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if (!(*pExaScr->info->accel.PrepareComposite) (op, pSrc, pMask, pDst, pSrcPix,
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pMaskPix, pDstPix))
|
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{
|
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REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
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return -1;
|
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}
|
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|
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nbox = REGION_NUM_RECTS(®ion);
|
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pbox = REGION_RECTS(®ion);
|
|
|
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xMask -= xDst;
|
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yMask -= yDst;
|
|
|
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xSrc -= xDst;
|
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ySrc -= yDst;
|
|
|
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while (nbox--)
|
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{
|
|
(*pExaScr->info->accel.Composite) (pDstPix,
|
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pbox->x1 + xSrc + src_off_x,
|
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pbox->y1 + ySrc + src_off_y,
|
|
pbox->x1 + xMask + mask_off_x,
|
|
pbox->y1 + yMask + mask_off_y,
|
|
pbox->x1 + dst_off_x,
|
|
pbox->y1 + dst_off_y,
|
|
pbox->x2 - pbox->x1,
|
|
pbox->y2 - pbox->y1);
|
|
pbox++;
|
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}
|
|
|
|
(*pExaScr->info->accel.DoneComposite) (pDstPix);
|
|
exaMarkSync(pDst->pDrawable->pScreen);
|
|
exaDrawableDirty (pDst->pDrawable);
|
|
|
|
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
|
|
return 1;
|
|
}
|
|
|
|
|
|
void
|
|
exaComposite(CARD8 op,
|
|
PicturePtr pSrc,
|
|
PicturePtr pMask,
|
|
PicturePtr pDst,
|
|
INT16 xSrc,
|
|
INT16 ySrc,
|
|
INT16 xMask,
|
|
INT16 yMask,
|
|
INT16 xDst,
|
|
INT16 yDst,
|
|
CARD16 width,
|
|
CARD16 height)
|
|
{
|
|
ExaScreenPriv (pDst->pDrawable->pScreen);
|
|
int ret = -1;
|
|
ScrnInfoPtr pScrn = XF86SCRNINFO(pDst->pDrawable->pScreen);
|
|
Bool saveSrcRepeat = pSrc->repeat;
|
|
Bool saveMaskRepeat = pMask ? pMask->repeat : 0;
|
|
|
|
if (!pScrn->vtSema) {
|
|
exaDrawableDirty(pDst->pDrawable);
|
|
pExaScr->SavedComposite(op, pSrc, pMask, pDst, xSrc, ySrc,
|
|
xMask, yMask, xDst, yDst, width, height);
|
|
return;
|
|
}
|
|
|
|
/* simplify the drivers by reducing here */
|
|
switch (op) {
|
|
case PictOpDisjointClear:
|
|
case PictOpConjointClear:
|
|
op = PictOpClear;
|
|
break;
|
|
case PictOpDisjointSrc:
|
|
case PictOpConjointSrc:
|
|
op = PictOpSrc;
|
|
break;
|
|
case PictOpDisjointDst:
|
|
case PictOpConjointDst:
|
|
case PictOpDst:
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Remove repeat in source if useless */
|
|
if (pSrc->repeat && !pSrc->transform && xSrc >= 0 &&
|
|
(xSrc + width) <= pSrc->pDrawable->width && ySrc >= 0 &&
|
|
(ySrc + height) <= pSrc->pDrawable->height)
|
|
pSrc->repeat = 0;
|
|
|
|
if (!pMask && pSrc->pDrawable)
|
|
{
|
|
if (op == PictOpSrc)
|
|
{
|
|
if (pSrc->pDrawable->width == 1 &&
|
|
pSrc->pDrawable->height == 1 && pSrc->repeat)
|
|
{
|
|
ret = exaTryDriverSolidFill(pSrc, pDst, xSrc, ySrc, xDst, yDst,
|
|
width, height);
|
|
if (ret == 1)
|
|
goto bail;
|
|
}
|
|
else if (!pSrc->repeat && !pSrc->transform &&
|
|
pSrc->format == pDst->format)
|
|
{
|
|
RegionRec region;
|
|
|
|
xDst += pDst->pDrawable->x;
|
|
yDst += pDst->pDrawable->y;
|
|
xSrc += pSrc->pDrawable->x;
|
|
ySrc += pSrc->pDrawable->y;
|
|
|
|
if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
|
|
xSrc, ySrc, xMask, yMask, xDst,
|
|
yDst, width, height))
|
|
goto bail;
|
|
|
|
|
|
exaCopyNtoN (pSrc->pDrawable, pDst->pDrawable, NULL,
|
|
REGION_RECTS(®ion), REGION_NUM_RECTS(®ion),
|
|
xSrc - xDst, ySrc - yDst,
|
|
FALSE, FALSE, 0, NULL);
|
|
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
|
|
goto bail;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Remove repeat in mask if useless */
|
|
if (pMask && pMask->repeat && !pMask->transform && xMask >= 0 &&
|
|
(xMask + width) <= pMask->pDrawable->width && yMask >= 0 &&
|
|
(yMask + height) <= pMask->pDrawable->height)
|
|
pMask->repeat = 0;
|
|
|
|
|
|
if (pSrc->pDrawable && (!pMask || pMask->pDrawable) &&
|
|
pExaScr->info->accel.PrepareComposite &&
|
|
!pSrc->alphaMap && (!pMask || !pMask->alphaMap) && !pDst->alphaMap)
|
|
{
|
|
ret = exaTryDriverComposite(op, pSrc, pMask, pDst, xSrc, ySrc, xMask,
|
|
yMask, xDst, yDst, width, height);
|
|
if (ret == 1)
|
|
goto bail;
|
|
}
|
|
|
|
if (ret != 0) {
|
|
/* failure to accelerate was not due to pixmaps being in the wrong
|
|
* locations.
|
|
*/
|
|
exaDrawableUseMemory(pSrc->pDrawable);
|
|
if (pMask != NULL)
|
|
exaDrawableUseMemory(pMask->pDrawable);
|
|
exaDrawableUseMemory(pDst->pDrawable);
|
|
}
|
|
|
|
#if DEBUG_TRACE_FALL
|
|
exaPrintCompositeFallback (op, pSrc, pMask, pDst);
|
|
#endif
|
|
|
|
ExaCheckComposite (op, pSrc, pMask, pDst, xSrc, ySrc,
|
|
xMask, yMask, xDst, yDst, width, height);
|
|
|
|
bail:
|
|
pSrc->repeat = saveSrcRepeat;
|
|
if (pMask)
|
|
pMask->repeat = saveMaskRepeat;
|
|
}
|
|
#endif
|
|
|
|
#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
|
|
|
|
/* exaGlyphs is a slight variation on miGlyphs, to support acceleration. The
|
|
* issue is that miGlyphs' use of ModifyPixmapHeader makes it impossible to
|
|
* migrate these pixmaps. So, instead we create a pixmap at the beginning of
|
|
* the loop and upload each glyph into the pixmap before compositing.
|
|
*/
|
|
void
|
|
exaGlyphs (CARD8 op,
|
|
PicturePtr pSrc,
|
|
PicturePtr pDst,
|
|
PictFormatPtr maskFormat,
|
|
INT16 xSrc,
|
|
INT16 ySrc,
|
|
int nlist,
|
|
GlyphListPtr list,
|
|
GlyphPtr *glyphs)
|
|
{
|
|
ExaScreenPriv (pDst->pDrawable->pScreen);
|
|
PixmapPtr pPixmap = NULL, pScratchPixmap = NULL;
|
|
PicturePtr pPicture;
|
|
PixmapPtr pMaskPixmap = NULL;
|
|
PicturePtr pMask;
|
|
ScreenPtr pScreen = pDst->pDrawable->pScreen;
|
|
int width = 0, height = 0;
|
|
int x, y;
|
|
int xDst = list->xOff, yDst = list->yOff;
|
|
int n;
|
|
GlyphPtr glyph;
|
|
int error;
|
|
BoxRec extents;
|
|
CARD32 component_alpha;
|
|
|
|
/* If the driver doesn't support accelerated composite, there's no point in
|
|
* going to this extra work. Assume that no driver will be able to do
|
|
* component-alpha, which is likely accurate (at least until we make a CA
|
|
* helper).
|
|
*/
|
|
if (!pExaScr->info->accel.PrepareComposite ||
|
|
(maskFormat && NeedsComponent(maskFormat->format))) {
|
|
miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
|
|
return;
|
|
}
|
|
|
|
if (maskFormat)
|
|
{
|
|
GCPtr pGC;
|
|
xRectangle rect;
|
|
|
|
miGlyphExtents (nlist, list, glyphs, &extents);
|
|
|
|
if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
|
|
return;
|
|
width = extents.x2 - extents.x1;
|
|
height = extents.y2 - extents.y1;
|
|
pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
|
|
maskFormat->depth);
|
|
if (!pMaskPixmap)
|
|
return;
|
|
component_alpha = NeedsComponent(maskFormat->format);
|
|
pMask = CreatePicture (0, &pMaskPixmap->drawable,
|
|
maskFormat, CPComponentAlpha, &component_alpha,
|
|
serverClient, &error);
|
|
if (!pMask)
|
|
{
|
|
(*pScreen->DestroyPixmap) (pMaskPixmap);
|
|
return;
|
|
}
|
|
pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen);
|
|
ValidateGC (&pMaskPixmap->drawable, pGC);
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = width;
|
|
rect.height = height;
|
|
(*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
|
|
FreeScratchGC (pGC);
|
|
x = -extents.x1;
|
|
y = -extents.y1;
|
|
}
|
|
else
|
|
{
|
|
pMask = pDst;
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
|
|
while (nlist--)
|
|
{
|
|
GCPtr pGC;
|
|
int maxwidth = 0, maxheight = 0, i;
|
|
|
|
x += list->xOff;
|
|
y += list->yOff;
|
|
n = list->len;
|
|
for (i = 0; i < n; i++) {
|
|
if (glyphs[i]->info.width > maxwidth)
|
|
maxwidth = glyphs[i]->info.width;
|
|
if (glyphs[i]->info.height > maxheight)
|
|
maxheight = glyphs[i]->info.height;
|
|
}
|
|
if (maxwidth == 0 || maxheight == 0) {
|
|
while (n--)
|
|
{
|
|
glyph = *glyphs++;
|
|
x += glyph->info.xOff;
|
|
y += glyph->info.yOff;
|
|
}
|
|
list++;
|
|
continue;
|
|
}
|
|
|
|
/* Get a scratch pixmap to wrap the original glyph data */
|
|
pScratchPixmap = GetScratchPixmapHeader (pScreen, glyphs[0]->info.width,
|
|
glyphs[0]->info.height,
|
|
list->format->depth,
|
|
list->format->depth,
|
|
0, (pointer) (glyphs[0] + 1));
|
|
if (!pScratchPixmap)
|
|
return;
|
|
|
|
/* Create the (real) temporary pixmap to store the current glyph in */
|
|
pPixmap = (*pScreen->CreatePixmap) (pScreen, maxwidth, maxheight,
|
|
list->format->depth);
|
|
if (!pPixmap) {
|
|
FreeScratchPixmapHeader (pScratchPixmap);
|
|
return;
|
|
}
|
|
|
|
/* Create a temporary picture to wrap the temporary pixmap, so it can be
|
|
* used as a source for Composite.
|
|
*/
|
|
component_alpha = NeedsComponent(list->format->format);
|
|
pPicture = CreatePicture (0, &pPixmap->drawable, list->format,
|
|
CPComponentAlpha, &component_alpha,
|
|
serverClient, &error);
|
|
if (!pPicture) {
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
FreeScratchPixmapHeader (pScratchPixmap);
|
|
return;
|
|
}
|
|
|
|
/* Get a scratch GC with which to copy the glyph data from scratch to
|
|
* temporary
|
|
*/
|
|
pGC = GetScratchGC (list->format->depth, pScreen);
|
|
ValidateGC (&pPixmap->drawable, pGC);
|
|
|
|
/* Give the temporary pixmap an initial kick towards the screen, so
|
|
* it'll stick there.
|
|
*/
|
|
exaPixmapUseScreen (pPixmap);
|
|
|
|
while (n--)
|
|
{
|
|
glyph = *glyphs++;
|
|
|
|
(*pScreen->ModifyPixmapHeader) (pScratchPixmap,
|
|
glyph->info.width,
|
|
glyph->info.height,
|
|
0, 0, -1, (pointer) (glyph + 1));
|
|
pScratchPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
|
|
|
|
/* Copy the glyph data into the proper pixmap instead of a fake.
|
|
* First we try to use UploadToScreen, if we can, then we fall back
|
|
* to a plain exaCopyArea in case of failure.
|
|
*/
|
|
if (!pExaScr->info->accel.UploadToScreen ||
|
|
!exaPixmapIsOffscreen(pPixmap) ||
|
|
!(*pExaScr->info->accel.UploadToScreen) (pPixmap, 0, 0,
|
|
glyph->info.width,
|
|
glyph->info.height,
|
|
pScratchPixmap->devPrivate.ptr,
|
|
pScratchPixmap->devKind))
|
|
{
|
|
exaCopyArea (&pScratchPixmap->drawable, &pPixmap->drawable, pGC,
|
|
0, 0, glyph->info.width, glyph->info.height, 0, 0);
|
|
} else {
|
|
exaDrawableDirty (&pPixmap->drawable);
|
|
}
|
|
|
|
if (maskFormat)
|
|
{
|
|
CompositePicture (PictOpAdd,
|
|
pPicture,
|
|
NULL,
|
|
pMask,
|
|
0, 0,
|
|
0, 0,
|
|
x - glyph->info.x,
|
|
y - glyph->info.y,
|
|
glyph->info.width,
|
|
glyph->info.height);
|
|
}
|
|
else
|
|
{
|
|
CompositePicture (op,
|
|
pSrc,
|
|
pPicture,
|
|
pDst,
|
|
xSrc + (x - glyph->info.x) - xDst,
|
|
ySrc + (y - glyph->info.y) - yDst,
|
|
0, 0,
|
|
x - glyph->info.x,
|
|
y - glyph->info.y,
|
|
glyph->info.width,
|
|
glyph->info.height);
|
|
}
|
|
x += glyph->info.xOff;
|
|
y += glyph->info.yOff;
|
|
}
|
|
list++;
|
|
FreeScratchGC (pGC);
|
|
FreePicture ((pointer) pPicture, 0);
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
FreeScratchPixmapHeader (pScratchPixmap);
|
|
}
|
|
if (maskFormat)
|
|
{
|
|
x = extents.x1;
|
|
y = extents.y1;
|
|
CompositePicture (op,
|
|
pSrc,
|
|
pMask,
|
|
pDst,
|
|
xSrc + x - xDst,
|
|
ySrc + y - yDst,
|
|
0, 0,
|
|
x, y,
|
|
width, height);
|
|
FreePicture ((pointer) pMask, (XID) 0);
|
|
(*pScreen->DestroyPixmap) (pMaskPixmap);
|
|
}
|
|
}
|