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Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaPict.c')
-rw-r--r--xorg-server/hw/xfree86/xaa/xaaPict.c1310
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 (&region, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height))
- return TRUE;
-
- nbox = REGION_NUM_RECTS(&region);
- pbox = REGION_RECTS(&region);
-
- 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, &region);
- 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 (&region, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height))
- return TRUE;
-
- nbox = REGION_NUM_RECTS(&region);
- pbox = REGION_RECTS(&region);
-
- if(!nbox) {
- REGION_UNINIT(pScreen, &region);
- 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, &region);
- 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, &region);
- 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 (&region, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height))
- return TRUE;
-
- nbox = REGION_NUM_RECTS(&region);
- pbox = REGION_RECTS(&region);
-
- if(!nbox) {
- REGION_UNINIT(pScreen, &region);
- 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, &region);
- 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, &region);
- 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 (&region, pSrc, NULL, pDst,
- xSrc, ySrc, 0, 0, xDst, yDst,
- width, height))
- return;
-
- nbox = REGION_NUM_RECTS(&region);
- pbox = REGION_RECTS(&region);
-
- if(!nbox) {
- REGION_UNINIT(pScreen, &region);
- return;
- }
- pptSrc = xalloc(sizeof(DDXPointRec) * nbox);
- if (!pptSrc) {
- REGION_UNINIT(pScreen, &region);
- 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, &region,
- pptSrc);
-
- xfree(pptSrc);
- REGION_UNINIT(pScreen, &region);
- 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 (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(&region);
+ pbox = REGION_RECTS(&region);
+
+ 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, &region);
+ 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 (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(&region);
+ pbox = REGION_RECTS(&region);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, &region);
+ 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, &region);
+ 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, &region);
+ 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 (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return TRUE;
+
+ nbox = REGION_NUM_RECTS(&region);
+ pbox = REGION_RECTS(&region);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, &region);
+ 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, &region);
+ 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, &region);
+ 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 (&region, pSrc, NULL, pDst,
+ xSrc, ySrc, 0, 0, xDst, yDst,
+ width, height))
+ return;
+
+ nbox = REGION_NUM_RECTS(&region);
+ pbox = REGION_RECTS(&region);
+
+ if(!nbox) {
+ REGION_UNINIT(pScreen, &region);
+ return;
+ }
+ pptSrc = malloc(sizeof(DDXPointRec) * nbox);
+ if (!pptSrc) {
+ REGION_UNINIT(pScreen, &region);
+ 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, &region,
+ pptSrc);
+
+ free(pptSrc);
+ REGION_UNINIT(pScreen, &region);
+ 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 12:35:28 +0000