diff options
author | marha <marha@users.sourceforge.net> | 2010-05-15 16:28:11 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2010-05-15 16:28:11 +0000 |
commit | c38dead3ea7e177728d90cd815cf4eead0c9f534 (patch) | |
tree | b809dba1dc9013bb1e67a5ee388f2dd217dc0f88 /xorg-server/hw/xfree86/xaa/xaaPict.c | |
parent | 6083a94d68878c9ad5f59b28bd07e4738e9fb7b4 (diff) | |
download | vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.tar.gz vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.tar.bz2 vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.zip |
xserver git update 15/5/2010
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaPict.c')
-rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaPict.c | 1310 |
1 files changed, 655 insertions, 655 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaPict.c b/xorg-server/hw/xfree86/xaa/xaaPict.c index e059d3d65..b66291458 100644 --- a/xorg-server/hw/xfree86/xaa/xaaPict.c +++ b/xorg-server/hw/xfree86/xaa/xaaPict.c @@ -1,655 +1,655 @@ -/* - * - * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. - * - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <string.h> - -#include "misc.h" -#include "xf86.h" -#include "xf86_OSproc.h" - -#include <X11/X.h> -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "xf86str.h" -#include "mi.h" -#include "picturestr.h" -#include "glyphstr.h" -#include "picture.h" -#include "mipict.h" -#include "xaa.h" -#include "xaalocal.h" -#include "xaawrap.h" -#include "xaacexp.h" -#include "xf86fbman.h" -#include "servermd.h" - -Bool -XAAGetPixelFromRGBA ( - CARD32 *pixel, - CARD16 red, - CARD16 green, - CARD16 blue, - CARD16 alpha, - CARD32 format -){ - int rbits, bbits, gbits, abits; - int rshift, bshift, gshift, ashift; - - *pixel = 0; - - if(!PICT_FORMAT_COLOR(format)) - return FALSE; - - rbits = PICT_FORMAT_R(format); - gbits = PICT_FORMAT_G(format); - bbits = PICT_FORMAT_B(format); - abits = PICT_FORMAT_A(format); - - if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) { - bshift = 0; - gshift = bbits; - rshift = gshift + gbits; - ashift = rshift + rbits; - } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) { - rshift = 0; - gshift = rbits; - bshift = gshift + gbits; - ashift = bshift + bbits; - } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) { - bshift = PICT_FORMAT_BPP(format) - bbits; - gshift = bshift - gbits; - rshift = gshift - rbits; - ashift = 0; - } else - return FALSE; - - *pixel |= ( blue >> (16 - bbits)) << bshift; - *pixel |= ( red >> (16 - rbits)) << rshift; - *pixel |= (green >> (16 - gbits)) << gshift; - *pixel |= (alpha >> (16 - abits)) << ashift; - - return TRUE; -} - - -Bool -XAAGetRGBAFromPixel( - CARD32 pixel, - CARD16 *red, - CARD16 *green, - CARD16 *blue, - CARD16 *alpha, - CARD32 format -){ - int rbits, bbits, gbits, abits; - int rshift, bshift, gshift, ashift; - - if(!PICT_FORMAT_COLOR(format)) - return FALSE; - - rbits = PICT_FORMAT_R(format); - gbits = PICT_FORMAT_G(format); - bbits = PICT_FORMAT_B(format); - abits = PICT_FORMAT_A(format); - - if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) { - bshift = 0; - gshift = bbits; - rshift = gshift + gbits; - ashift = rshift + rbits; - } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) { - rshift = 0; - gshift = rbits; - bshift = gshift + gbits; - ashift = bshift + bbits; - } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) { - bshift = PICT_FORMAT_BPP(format) - bbits; - gshift = bshift - gbits; - rshift = gshift - rbits; - ashift = 0; - } else - return FALSE; - - *red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits); - while(rbits < 16) { - *red |= *red >> rbits; - rbits <<= 1; - } - - *green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits); - while(gbits < 16) { - *green |= *green >> gbits; - gbits <<= 1; - } - - *blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits); - while(bbits < 16) { - *blue |= *blue >> bbits; - bbits <<= 1; - } - - if(abits) { - *alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits); - while(abits < 16) { - *alpha |= *alpha >> abits; - abits <<= 1; - } - } else *alpha = 0xffff; - - return TRUE; -} - -/* 8:8:8 + PICT_a8 -> 8:8:8:8 texture */ - -void -XAA_888_plus_PICT_a8_to_8888 ( - CARD32 color, - CARD8 *alphaPtr, /* in bytes */ - int alphaPitch, - CARD32 *dstPtr, - int dstPitch, /* in dwords */ - int width, - int height -){ - int x; - - color &= 0x00ffffff; - - while(height--) { - for(x = 0; x < width; x++) - dstPtr[x] = color | (alphaPtr[x] << 24); - dstPtr += dstPitch; - alphaPtr += alphaPitch; - } -} - -#define DRAWABLE_IS_ON_CARD(pDraw) \ - (pDraw->type == DRAWABLE_WINDOW || \ - (pDraw->type == DRAWABLE_PIXMAP && IS_OFFSCREEN_PIXMAP(pDraw))) - -Bool -XAADoComposite ( - CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height -){ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); - RegionRec region; - CARD32 *formats, *dstformats; - int flags = 0; - BoxPtr pbox; - int nbox, w, h; - - if(!REGION_NUM_RECTS(pDst->pCompositeClip)) - return TRUE; - - if(!infoRec->pScrn->vtSema || !DRAWABLE_IS_ON_CARD(pDst->pDrawable)) - return FALSE; - - if(DRAWABLE_IS_ON_CARD(pSrc->pDrawable)) - return FALSE; - - if (pSrc->transform || (pMask && pMask->transform)) - return FALSE; - - if (pDst->alphaMap || pSrc->alphaMap || (pMask && pMask->alphaMap)) - return FALSE; - - if ((pSrc->repeat && pSrc->repeatType != RepeatNormal) || - (pMask && pMask->repeat && pMask->repeatType != RepeatNormal)) - { - return FALSE; - } - - xDst += pDst->pDrawable->x; - yDst += pDst->pDrawable->y; - xSrc += pSrc->pDrawable->x; - ySrc += pSrc->pDrawable->y; - - if(pMask) { - if(pMask->componentAlpha) - return FALSE; - - /* for now we only do it if there is a 1x1 (solid) source */ - - if((pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1)) { - CARD16 red, green, blue, alpha; - CARD32 pixel = - *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr)); - - if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format)) - return FALSE; - - xMask += pMask->pDrawable->x; - yMask += pMask->pDrawable->y; - - /* pull out color expandable operations here */ - if((pMask->format == PICT_a1) && (alpha == 0xffff) && - (op == PictOpOver) && infoRec->WriteBitmap && !pMask->repeat && - !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY) && - (!(infoRec->WriteBitmapFlags & RGB_EQUAL) || - ((red == green) && (green == blue)))) - { - PixmapPtr pPix = (PixmapPtr)(pMask->pDrawable); - int skipleft; - - if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, xDst, yDst, - width, height)) - return TRUE; - - nbox = REGION_NUM_RECTS(®ion); - pbox = REGION_RECTS(®ion); - - if(!nbox) - return TRUE; - - XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format); - - xMask -= xDst; - yMask -= yDst; - - while(nbox--) { - skipleft = pbox->x1 + xMask; - - (*infoRec->WriteBitmap)(infoRec->pScrn, - pbox->x1, pbox->y1, - pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, - (unsigned char*)(pPix->devPrivate.ptr) + - (pPix->devKind * (pbox->y1 + yMask)) + - ((skipleft >> 3) & ~3), pPix->devKind, - skipleft & 31, pixel, -1, GXcopy, ~0); - pbox++; - } - - /* WriteBitmap sets the Sync flag */ - REGION_UNINIT(pScreen, ®ion); - return TRUE; - } - - formats = infoRec->CPUToScreenAlphaTextureFormats; - dstformats = infoRec->CPUToScreenAlphaTextureDstFormats; - if(!formats || !dstformats) - return FALSE; - - w = pMask->pDrawable->width; - h = pMask->pDrawable->height; - - if(pMask->repeat) { - if((infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_TILE) || - ((infoRec->CPUToScreenAlphaTextureFlags & - XAA_RENDER_POWER_OF_2_TILE_ONLY) && - ((h & (h - 1)) || (w & (w - 1))))) - { - return FALSE; - } - flags |= XAA_RENDER_REPEAT; - } - - if((alpha != 0xffff) && - (infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_SRC_ALPHA)) - return FALSE; - - while(*formats != pMask->format) { - if(!(*formats)) return FALSE; - formats++; - } - while(*dstformats != pDst->format) { - if(!(*dstformats)) - return FALSE; - dstformats++; - } - - if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, xDst, yDst, - width, height)) - return TRUE; - - nbox = REGION_NUM_RECTS(®ion); - pbox = REGION_RECTS(®ion); - - if(!nbox) { - REGION_UNINIT(pScreen, ®ion); - return TRUE; - } - - if(!(infoRec->SetupForCPUToScreenAlphaTexture2)(infoRec->pScrn, - op, red, green, blue, alpha, pMask->format, - pDst->format, - ((PixmapPtr)(pMask->pDrawable))->devPrivate.ptr, - ((PixmapPtr)(pMask->pDrawable))->devKind, - w, h, flags)) - { - REGION_UNINIT(pScreen, ®ion); - return FALSE; - } - - xMask -= xDst; - yMask -= yDst; - - while(nbox--) { - (*infoRec->SubsequentCPUToScreenAlphaTexture)(infoRec->pScrn, - pbox->x1, pbox->y1, - pbox->x1 + xMask, pbox->y1 + yMask, - pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); - pbox++; - } - - SET_SYNC_FLAG(infoRec); - REGION_UNINIT(pScreen, ®ion); - return TRUE; - } - } else { - formats = infoRec->CPUToScreenTextureFormats; - dstformats = infoRec->CPUToScreenTextureDstFormats; - if(!formats || !dstformats) - return FALSE; - - w = pSrc->pDrawable->width; - h = pSrc->pDrawable->height; - - if(pSrc->repeat) { - if((infoRec->CPUToScreenTextureFlags & XAA_RENDER_NO_TILE) || - ((infoRec->CPUToScreenTextureFlags & - XAA_RENDER_POWER_OF_2_TILE_ONLY) && - ((h & (h - 1)) || (w & (w - 1))))) - { - return FALSE; - } - flags |= XAA_RENDER_REPEAT; - } - - while(*formats != pSrc->format) { - if(!(*formats)) return FALSE; - formats++; - } - while(*dstformats != pDst->format) { - if(!(*dstformats)) - return FALSE; - dstformats++; - } - - if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, xDst, yDst, - width, height)) - return TRUE; - - nbox = REGION_NUM_RECTS(®ion); - pbox = REGION_RECTS(®ion); - - if(!nbox) { - REGION_UNINIT(pScreen, ®ion); - return TRUE; - } - - if(!(infoRec->SetupForCPUToScreenTexture2)(infoRec->pScrn, - op, pSrc->format, pDst->format, - ((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr, - ((PixmapPtr)(pSrc->pDrawable))->devKind, - w, h, flags)) - { - REGION_UNINIT(pScreen, ®ion); - return FALSE; - } - - - xSrc -= xDst; - ySrc -= yDst; - - while(nbox--) { - (*infoRec->SubsequentCPUToScreenTexture)(infoRec->pScrn, - pbox->x1, pbox->y1, - pbox->x1 + xSrc, pbox->y1 + ySrc, - pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); - pbox++; - } - - SET_SYNC_FLAG(infoRec); - REGION_UNINIT(pScreen, ®ion); - return TRUE; - } - - - return FALSE; -} - -static void -XAACompositeSrcCopy (PicturePtr pSrc, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); - int i, nbox; - int xoff, yoff; - BoxPtr pbox; - DDXPointPtr pptSrc; - RegionRec region; - - xDst += pDst->pDrawable->x; - yDst += pDst->pDrawable->y; - xSrc += pSrc->pDrawable->x; - ySrc += pSrc->pDrawable->y; - - if (!miComputeCompositeRegion (®ion, pSrc, NULL, pDst, - xSrc, ySrc, 0, 0, xDst, yDst, - width, height)) - return; - - nbox = REGION_NUM_RECTS(®ion); - pbox = REGION_RECTS(®ion); - - if(!nbox) { - REGION_UNINIT(pScreen, ®ion); - return; - } - pptSrc = xalloc(sizeof(DDXPointRec) * nbox); - if (!pptSrc) { - REGION_UNINIT(pScreen, ®ion); - return; - } - xoff = xSrc - xDst; - yoff = ySrc - yDst; - for (i = 0; i < nbox; i++) { - pptSrc[i].x = pbox[i].x1 + xoff; - pptSrc[i].y = pbox[i].y1 + yoff; - } - - infoRec->ScratchGC.planemask = ~0L; - infoRec->ScratchGC.alu = GXcopy; - - XAADoBitBlt(pSrc->pDrawable, pDst->pDrawable, &infoRec->ScratchGC, ®ion, - pptSrc); - - xfree(pptSrc); - REGION_UNINIT(pScreen, ®ion); - return; -} - -void -XAAComposite (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); - XAA_RENDER_PROLOGUE(pScreen, Composite); - - if(!pMask && infoRec->pScrn->vtSema && - infoRec->ScreenToScreenBitBlt && - pSrc->pDrawable && - DRAWABLE_IS_ON_CARD(pSrc->pDrawable) && - DRAWABLE_IS_ON_CARD(pDst->pDrawable) && - !pSrc->transform && - (!pSrc->repeat || (xSrc >= 0 && ySrc >= 0 && - xSrc+width<=pSrc->pDrawable->width && - ySrc+height<=pSrc->pDrawable->height)) && - ((op == PictOpSrc && - ((pSrc->format==pDst->format) || - (pSrc->format==PICT_a8r8g8b8 && pDst->format==PICT_x8r8g8b8) || - (pSrc->format==PICT_a8b8g8r8 && pDst->format==PICT_x8b8g8r8))) || - (op == PictOpOver && !pSrc->alphaMap && !pDst->alphaMap && - pSrc->format==pDst->format && - (pSrc->format==PICT_x8r8g8b8 || pSrc->format==PICT_x8b8g8r8)))) - { - XAACompositeSrcCopy(pSrc, pDst, xSrc, ySrc, xDst, yDst, width, height); - } else if(!pSrc->pDrawable || (pMask && !pMask->pDrawable) || - !infoRec->Composite || - !(*infoRec->Composite)(op, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, xDst, yDst, - width, height)) - { - if(infoRec->pScrn->vtSema && - ((pSrc->pDrawable && - (pSrc->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))) || - pDst->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) { - SYNC_CHECK(pDst->pDrawable); - } - (*GetPictureScreen(pScreen)->Composite) (op, - pSrc, - pMask, - pDst, - xSrc, - ySrc, - xMask, - yMask, - xDst, - yDst, - width, - height); - } - - if(pDst->pDrawable->type == DRAWABLE_PIXMAP) - (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY; - - XAA_RENDER_EPILOGUE(pScreen, Composite, XAAComposite); -} - -Bool -XAADoGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr list, - GlyphPtr *glyphs) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); - - if(!REGION_NUM_RECTS(pDst->pCompositeClip)) - return TRUE; - - if(!infoRec->pScrn->vtSema || - ((pDst->pDrawable->type != DRAWABLE_WINDOW) && - !IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) - return FALSE; - - if((pSrc->pDrawable->type != DRAWABLE_PIXMAP) || - IS_OFFSCREEN_PIXMAP(pSrc->pDrawable)) - return FALSE; - - /* - * If it looks like we have a chance of being able to draw these - * glyphs with an accelerated Composite, do that now to avoid - * unneeded and costly syncs. - */ - if(maskFormat) { - if(!infoRec->CPUToScreenAlphaTextureFormats) - return FALSE; - } else { - if(!infoRec->CPUToScreenTextureFormats) - return FALSE; - } - - miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); - - return TRUE; -} - - -void -XAAGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr list, - GlyphPtr *glyphs) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); - XAA_RENDER_PROLOGUE(pScreen, Glyphs); - - if(!pSrc->pDrawable || !infoRec->Glyphs || - !(*infoRec->Glyphs)(op, pSrc, pDst, maskFormat, - xSrc, ySrc, nlist, list, glyphs)) - { - if(infoRec->pScrn->vtSema && - ((pSrc->pDrawable && - (pSrc->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))) || - pDst->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) { - SYNC_CHECK(pDst->pDrawable); - } - (*GetPictureScreen(pScreen)->Glyphs) (op, pSrc, pDst, maskFormat, - xSrc, ySrc, nlist, list, glyphs); - } - - if(pDst->pDrawable->type == DRAWABLE_PIXMAP) - (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY; - - XAA_RENDER_EPILOGUE(pScreen, Glyphs, XAAGlyphs); -} +/*
+ *
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ *
+ * 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "xf86str.h"
+#include "mi.h"
+#include "picturestr.h"
+#include "glyphstr.h"
+#include "picture.h"
+#include "mipict.h"
+#include "xaa.h"
+#include "xaalocal.h"
+#include "xaawrap.h"
+#include "xaacexp.h"
+#include "xf86fbman.h"
+#include "servermd.h"
+
+Bool
+XAAGetPixelFromRGBA (
+ CARD32 *pixel,
+ CARD16 red,
+ CARD16 green,
+ CARD16 blue,
+ CARD16 alpha,
+ CARD32 format
+){
+ int rbits, bbits, gbits, abits;
+ int rshift, bshift, gshift, ashift;
+
+ *pixel = 0;
+
+ if(!PICT_FORMAT_COLOR(format))
+ return FALSE;
+
+ rbits = PICT_FORMAT_R(format);
+ gbits = PICT_FORMAT_G(format);
+ bbits = PICT_FORMAT_B(format);
+ abits = PICT_FORMAT_A(format);
+
+ if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
+ bshift = 0;
+ gshift = bbits;
+ rshift = gshift + gbits;
+ ashift = rshift + rbits;
+ } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
+ rshift = 0;
+ gshift = rbits;
+ bshift = gshift + gbits;
+ ashift = bshift + bbits;
+ } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
+ bshift = PICT_FORMAT_BPP(format) - bbits;
+ gshift = bshift - gbits;
+ rshift = gshift - rbits;
+ ashift = 0;
+ } else
+ return FALSE;
+
+ *pixel |= ( blue >> (16 - bbits)) << bshift;
+ *pixel |= ( red >> (16 - rbits)) << rshift;
+ *pixel |= (green >> (16 - gbits)) << gshift;
+ *pixel |= (alpha >> (16 - abits)) << ashift;
+
+ return TRUE;
+}
+
+
+Bool
+XAAGetRGBAFromPixel(
+ CARD32 pixel,
+ CARD16 *red,
+ CARD16 *green,
+ CARD16 *blue,
+ CARD16 *alpha,
+ CARD32 format
+){
+ int rbits, bbits, gbits, abits;
+ int rshift, bshift, gshift, ashift;
+
+ if(!PICT_FORMAT_COLOR(format))
+ return FALSE;
+
+ rbits = PICT_FORMAT_R(format);
+ gbits = PICT_FORMAT_G(format);
+ bbits = PICT_FORMAT_B(format);
+ abits = PICT_FORMAT_A(format);
+
+ if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
+ bshift = 0;
+ gshift = bbits;
+ rshift = gshift + gbits;
+ ashift = rshift + rbits;
+ } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
+ rshift = 0;
+ gshift = rbits;
+ bshift = gshift + gbits;
+ ashift = bshift + bbits;
+ } else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
+ bshift = PICT_FORMAT_BPP(format) - bbits;
+ gshift = bshift - gbits;
+ rshift = gshift - rbits;
+ ashift = 0;
+ } else
+ return FALSE;
+
+ *red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
+ while(rbits < 16) {
+ *red |= *red >> rbits;
+ rbits <<= 1;
+ }
+
+ *green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits);
+ while(gbits < 16) {
+ *green |= *green >> gbits;
+ gbits <<= 1;
+ }
+
+ *blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits);
+ while(bbits < 16) {
+ *blue |= *blue >> bbits;
+ bbits <<= 1;
+ }
+
+ if(abits) {
+ *alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits);
+ while(abits < 16) {
+ *alpha |= *alpha >> abits;
+ abits <<= 1;
+ }
+ } else *alpha = 0xffff;
+
+ return TRUE;
+}
+
+/* 8:8:8 + PICT_a8 -> 8:8:8:8 texture */
+
+void
+XAA_888_plus_PICT_a8_to_8888 (
+ CARD32 color,
+ CARD8 *alphaPtr, /* in bytes */
+ int alphaPitch,
+ CARD32 *dstPtr,
+ int dstPitch, /* in dwords */
+ int width,
+ int height
+){
+ int x;
+
+ color &= 0x00ffffff;
+
+ while(height--) {
+ for(x = 0; x < width; x++)
+ dstPtr[x] = color | (alphaPtr[x] << 24);
+ dstPtr += dstPitch;
+ alphaPtr += alphaPitch;
+ }
+}
+
+#define DRAWABLE_IS_ON_CARD(pDraw) \
+ (pDraw->type == DRAWABLE_WINDOW || \
+ (pDraw->type == DRAWABLE_PIXMAP && IS_OFFSCREEN_PIXMAP(pDraw)))
+
+Bool
+XAADoComposite (
+ CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height
+){
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
+ RegionRec region;
+ CARD32 *formats, *dstformats;
+ int flags = 0;
+ BoxPtr pbox;
+ int nbox, w, h;
+
+ if(!REGION_NUM_RECTS(pDst->pCompositeClip))
+ return TRUE;
+
+ if(!infoRec->pScrn->vtSema || !DRAWABLE_IS_ON_CARD(pDst->pDrawable))
+ return FALSE;
+
+ if(DRAWABLE_IS_ON_CARD(pSrc->pDrawable))
+ return FALSE;
+
+ if (pSrc->transform || (pMask && pMask->transform))
+ return FALSE;
+
+ if (pDst->alphaMap || pSrc->alphaMap || (pMask && pMask->alphaMap))
+ return FALSE;
+
+ if ((pSrc->repeat && pSrc->repeatType != RepeatNormal) ||
+ (pMask && pMask->repeat && pMask->repeatType != RepeatNormal))
+ {
+ return FALSE;
+ }
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+
+ if(pMask) {
+ if(pMask->componentAlpha)
+ return FALSE;
+
+ /* for now we only do it if there is a 1x1 (solid) source */
+
+ if((pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1)) {
+ CARD16 red, green, blue, alpha;
+ CARD32 pixel =
+ *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr));
+
+ if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format))
+ return FALSE;
+
+ xMask += pMask->pDrawable->x;
+ yMask += pMask->pDrawable->y;
+
+ /* pull out color expandable operations here */
+ if((pMask->format == PICT_a1) && (alpha == 0xffff) &&
+ (op == PictOpOver) && infoRec->WriteBitmap && !pMask->repeat &&
+ !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY) &&
+ (!(infoRec->WriteBitmapFlags & RGB_EQUAL) ||
+ ((red == green) && (green == blue))))
+ {
+ PixmapPtr pPix = (PixmapPtr)(pMask->pDrawable);
+ int skipleft;
+
+ if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(®ion);
+ pbox = REGION_RECTS(®ion);
+
+ if(!nbox)
+ return TRUE;
+
+ XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format);
+
+ xMask -= xDst;
+ yMask -= yDst;
+
+ while(nbox--) {
+ skipleft = pbox->x1 + xMask;
+
+ (*infoRec->WriteBitmap)(infoRec->pScrn,
+ pbox->x1, pbox->y1,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
+ (unsigned char*)(pPix->devPrivate.ptr) +
+ (pPix->devKind * (pbox->y1 + yMask)) +
+ ((skipleft >> 3) & ~3), pPix->devKind,
+ skipleft & 31, pixel, -1, GXcopy, ~0);
+ pbox++;
+ }
+
+ /* WriteBitmap sets the Sync flag */
+ REGION_UNINIT(pScreen, ®ion);
+ return TRUE;
+ }
+
+ formats = infoRec->CPUToScreenAlphaTextureFormats;
+ dstformats = infoRec->CPUToScreenAlphaTextureDstFormats;
+ if(!formats || !dstformats)
+ return FALSE;
+
+ w = pMask->pDrawable->width;
+ h = pMask->pDrawable->height;
+
+ if(pMask->repeat) {
+ if((infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_TILE) ||
+ ((infoRec->CPUToScreenAlphaTextureFlags &
+ XAA_RENDER_POWER_OF_2_TILE_ONLY) &&
+ ((h & (h - 1)) || (w & (w - 1)))))
+ {
+ return FALSE;
+ }
+ flags |= XAA_RENDER_REPEAT;
+ }
+
+ if((alpha != 0xffff) &&
+ (infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_SRC_ALPHA))
+ return FALSE;
+
+ while(*formats != pMask->format) {
+ if(!(*formats)) return FALSE;
+ formats++;
+ }
+ while(*dstformats != pDst->format) {
+ if(!(*dstformats))
+ return FALSE;
+ dstformats++;
+ }
+
+ if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(®ion);
+ pbox = REGION_RECTS(®ion);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, ®ion);
+ return TRUE;
+ }
+
+ if(!(infoRec->SetupForCPUToScreenAlphaTexture2)(infoRec->pScrn,
+ op, red, green, blue, alpha, pMask->format,
+ pDst->format,
+ ((PixmapPtr)(pMask->pDrawable))->devPrivate.ptr,
+ ((PixmapPtr)(pMask->pDrawable))->devKind,
+ w, h, flags))
+ {
+ REGION_UNINIT(pScreen, ®ion);
+ return FALSE;
+ }
+
+ xMask -= xDst;
+ yMask -= yDst;
+
+ while(nbox--) {
+ (*infoRec->SubsequentCPUToScreenAlphaTexture)(infoRec->pScrn,
+ pbox->x1, pbox->y1,
+ pbox->x1 + xMask, pbox->y1 + yMask,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
+ pbox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+ REGION_UNINIT(pScreen, ®ion);
+ return TRUE;
+ }
+ } else {
+ formats = infoRec->CPUToScreenTextureFormats;
+ dstformats = infoRec->CPUToScreenTextureDstFormats;
+ if(!formats || !dstformats)
+ return FALSE;
+
+ w = pSrc->pDrawable->width;
+ h = pSrc->pDrawable->height;
+
+ if(pSrc->repeat) {
+ if((infoRec->CPUToScreenTextureFlags & XAA_RENDER_NO_TILE) ||
+ ((infoRec->CPUToScreenTextureFlags &
+ XAA_RENDER_POWER_OF_2_TILE_ONLY) &&
+ ((h & (h - 1)) || (w & (w - 1)))))
+ {
+ return FALSE;
+ }
+ flags |= XAA_RENDER_REPEAT;
+ }
+
+ while(*formats != pSrc->format) {
+ if(!(*formats)) return FALSE;
+ formats++;
+ }
+ while(*dstformats != pDst->format) {
+ if(!(*dstformats))
+ return FALSE;
+ dstformats++;
+ }
+
+ if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(®ion);
+ pbox = REGION_RECTS(®ion);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, ®ion);
+ return TRUE;
+ }
+
+ if(!(infoRec->SetupForCPUToScreenTexture2)(infoRec->pScrn,
+ op, pSrc->format, pDst->format,
+ ((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr,
+ ((PixmapPtr)(pSrc->pDrawable))->devKind,
+ w, h, flags))
+ {
+ REGION_UNINIT(pScreen, ®ion);
+ return FALSE;
+ }
+
+
+ xSrc -= xDst;
+ ySrc -= yDst;
+
+ while(nbox--) {
+ (*infoRec->SubsequentCPUToScreenTexture)(infoRec->pScrn,
+ pbox->x1, pbox->y1,
+ pbox->x1 + xSrc, pbox->y1 + ySrc,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
+ pbox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+ REGION_UNINIT(pScreen, ®ion);
+ return TRUE;
+ }
+
+
+ return FALSE;
+}
+
+static void
+XAACompositeSrcCopy (PicturePtr pSrc,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
+ int i, nbox;
+ int xoff, yoff;
+ BoxPtr pbox;
+ DDXPointPtr pptSrc;
+ RegionRec region;
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+
+ if (!miComputeCompositeRegion (®ion, pSrc, NULL, pDst,
+ xSrc, ySrc, 0, 0, xDst, yDst,
+ width, height))
+ return;
+
+ nbox = REGION_NUM_RECTS(®ion);
+ pbox = REGION_RECTS(®ion);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, ®ion);
+ return;
+ }
+ pptSrc = malloc(sizeof(DDXPointRec) * nbox);
+ if (!pptSrc) {
+ REGION_UNINIT(pScreen, ®ion);
+ return;
+ }
+ xoff = xSrc - xDst;
+ yoff = ySrc - yDst;
+ for (i = 0; i < nbox; i++) {
+ pptSrc[i].x = pbox[i].x1 + xoff;
+ pptSrc[i].y = pbox[i].y1 + yoff;
+ }
+
+ infoRec->ScratchGC.planemask = ~0L;
+ infoRec->ScratchGC.alu = GXcopy;
+
+ XAADoBitBlt(pSrc->pDrawable, pDst->pDrawable, &infoRec->ScratchGC, ®ion,
+ pptSrc);
+
+ free(pptSrc);
+ REGION_UNINIT(pScreen, ®ion);
+ return;
+}
+
+void
+XAAComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
+ XAA_RENDER_PROLOGUE(pScreen, Composite);
+
+ if(!pMask && infoRec->pScrn->vtSema &&
+ infoRec->ScreenToScreenBitBlt &&
+ pSrc->pDrawable &&
+ DRAWABLE_IS_ON_CARD(pSrc->pDrawable) &&
+ DRAWABLE_IS_ON_CARD(pDst->pDrawable) &&
+ !pSrc->transform &&
+ (!pSrc->repeat || (xSrc >= 0 && ySrc >= 0 &&
+ xSrc+width<=pSrc->pDrawable->width &&
+ ySrc+height<=pSrc->pDrawable->height)) &&
+ ((op == PictOpSrc &&
+ ((pSrc->format==pDst->format) ||
+ (pSrc->format==PICT_a8r8g8b8 && pDst->format==PICT_x8r8g8b8) ||
+ (pSrc->format==PICT_a8b8g8r8 && pDst->format==PICT_x8b8g8r8))) ||
+ (op == PictOpOver && !pSrc->alphaMap && !pDst->alphaMap &&
+ pSrc->format==pDst->format &&
+ (pSrc->format==PICT_x8r8g8b8 || pSrc->format==PICT_x8b8g8r8))))
+ {
+ XAACompositeSrcCopy(pSrc, pDst, xSrc, ySrc, xDst, yDst, width, height);
+ } else if(!pSrc->pDrawable || (pMask && !pMask->pDrawable) ||
+ !infoRec->Composite ||
+ !(*infoRec->Composite)(op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ {
+ if(infoRec->pScrn->vtSema &&
+ ((pSrc->pDrawable &&
+ (pSrc->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))) ||
+ pDst->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) {
+ SYNC_CHECK(pDst->pDrawable);
+ }
+ (*GetPictureScreen(pScreen)->Composite) (op,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height);
+ }
+
+ if(pDst->pDrawable->type == DRAWABLE_PIXMAP)
+ (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY;
+
+ XAA_RENDER_EPILOGUE(pScreen, Composite, XAAComposite);
+}
+
+Bool
+XAADoGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
+
+ if(!REGION_NUM_RECTS(pDst->pCompositeClip))
+ return TRUE;
+
+ if(!infoRec->pScrn->vtSema ||
+ ((pDst->pDrawable->type != DRAWABLE_WINDOW) &&
+ !IS_OFFSCREEN_PIXMAP(pDst->pDrawable)))
+ return FALSE;
+
+ if((pSrc->pDrawable->type != DRAWABLE_PIXMAP) ||
+ IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))
+ return FALSE;
+
+ /*
+ * If it looks like we have a chance of being able to draw these
+ * glyphs with an accelerated Composite, do that now to avoid
+ * unneeded and costly syncs.
+ */
+ if(maskFormat) {
+ if(!infoRec->CPUToScreenAlphaTextureFormats)
+ return FALSE;
+ } else {
+ if(!infoRec->CPUToScreenTextureFormats)
+ return FALSE;
+ }
+
+ miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+
+ return TRUE;
+}
+
+
+void
+XAAGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
+ XAA_RENDER_PROLOGUE(pScreen, Glyphs);
+
+ if(!pSrc->pDrawable || !infoRec->Glyphs ||
+ !(*infoRec->Glyphs)(op, pSrc, pDst, maskFormat,
+ xSrc, ySrc, nlist, list, glyphs))
+ {
+ if(infoRec->pScrn->vtSema &&
+ ((pSrc->pDrawable &&
+ (pSrc->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))) ||
+ pDst->pDrawable->type == DRAWABLE_WINDOW || IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) {
+ SYNC_CHECK(pDst->pDrawable);
+ }
+ (*GetPictureScreen(pScreen)->Glyphs) (op, pSrc, pDst, maskFormat,
+ xSrc, ySrc, nlist, list, glyphs);
+ }
+
+ if(pDst->pDrawable->type == DRAWABLE_PIXMAP)
+ (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY;
+
+ XAA_RENDER_EPILOGUE(pScreen, Glyphs, XAAGlyphs);
+}
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