/**
* Implements CopyArea from the GPU to the CPU using glReadPixels from the
* source FBO.
*/
static Bool
glamor_copy_fbo_cpu(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
ScreenPtr screen = dst->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
FbBits *dst_bits;
FbStride dst_stride;
int dst_bpp;
int src_xoff, src_yoff;
int dst_xoff, dst_yoff;
if (gc && gc->alu != GXcopy)
goto bail;
if (gc && !glamor_pm_is_solid(dst, gc->planemask))
goto bail;
glamor_make_current(glamor_priv);
glamor_prepare_access(dst, GLAMOR_ACCESS_RW);
glamor_get_drawable_deltas(src, src_pixmap, &src_xoff, &src_yoff);
fbGetDrawable(dst, dst_bits, dst_stride, dst_bpp, dst_xoff, dst_yoff);
glamor_download_boxes(src_pixmap, box, nbox, src_xoff + dx, src_yoff + dy,
dst_xoff, dst_yoff,
(uint8_t *) dst_bits, dst_stride * sizeof (FbBits));
glamor_finish_access(dst);
return TRUE;
bail:
return FALSE;
}
void
fbFillRegionSolid(DrawablePtr pDrawable,
RegionPtr pRegion, FbBits and, FbBits xor)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
int n = RegionNumRects(pRegion);
BoxPtr pbox = RegionRects(pRegion);
#ifndef FB_ACCESS_WRAPPER
int try_mmx = 0;
if (!and)
try_mmx = 1;
#endif
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (n--) {
#ifndef FB_ACCESS_WRAPPER
if (!try_mmx || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
pbox->x1 + dstXoff, pbox->y1 + dstYoff,
(pbox->x2 - pbox->x1),
(pbox->y2 - pbox->y1), xor)) {
#endif
fbSolid(dst + (pbox->y1 + dstYoff) * dstStride,
dstStride,
(pbox->x1 + dstXoff) * dstBpp,
dstBpp,
(pbox->x2 - pbox->x1) * dstBpp,
pbox->y2 - pbox->y1, and, xor);
#ifndef FB_ACCESS_WRAPPER
}
#endif
fbValidateDrawable(pDrawable);
pbox++;
}
fbFinishAccess(pDrawable);
}
void
fbImageGlyphBlt(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned int nglyph, CharInfoPtr * ppciInit, pointer pglyphBase)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
CharInfoPtr *ppci;
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
Bool opaque;
int n;
int gx, gy;
void (*glyph) (FbBits *, FbStride, int, FbStip *, FbBits, int, int);
FbBits *dst = 0;
FbStride dstStride = 0;
int dstBpp = 0;
int dstXoff = 0, dstYoff = 0;
glyph = 0;
if (pPriv->and == 0) {
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (dstBpp) {
case 8:
glyph = fbGlyph8;
break;
case 16:
glyph = fbGlyph16;
break;
case 24:
glyph = fbGlyph24;
break;
case 32:
glyph = fbGlyph32;
break;
}
}
x += pDrawable->x;
y += pDrawable->y;
if (TERMINALFONT(pGC->font)
&& !glyph
) {
opaque = TRUE;
}
else {
int xBack, widthBack;
int yBack, heightBack;
ppci = ppciInit;
n = nglyph;
widthBack = 0;
while (n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0) {
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(pGC->font);
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
fbSolidBoxClipped(pDrawable,
fbGetCompositeClip(pGC),
xBack,
yBack,
xBack + widthBack,
yBack + heightBack,
fbAnd(GXcopy, pPriv->bg, pPriv->pm),
fbXor(GXcopy, pPriv->bg, pPriv->pm));
opaque = FALSE;
}
ppci = ppciInit;
while (nglyph--) {
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight) {
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (glyph && gWidth <= sizeof(FbStip) * 8 &&
fbGlyphIn(fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight)) {
(*glyph) (dst + (gy + dstYoff) * dstStride,
dstStride,
dstBpp,
(FbStip *) pglyph, pPriv->fg, gx + dstXoff, gHeight);
}
else
{
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof(FbStip);
fbPutXYImage(pDrawable,
fbGetCompositeClip(pGC),
pPriv->fg,
pPriv->bg,
pPriv->pm,
GXcopy,
opaque,
gx,
gy,
gWidth, gHeight, (FbStip *) pglyph, gStride, 0);
}
}
x += pci->metrics.characterWidth;
}
}
void
fbPolyGlyphBlt(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gx, gy;
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
void (*glyph) (FbBits *, FbStride, int, FbStip *, FbBits, int, int);
FbBits *dst = 0;
FbStride dstStride = 0;
int dstBpp = 0;
int dstXoff = 0, dstYoff = 0;
glyph = 0;
if (pGC->fillStyle == FillSolid && pPriv->and == 0) {
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (dstBpp) {
case 8:
glyph = fbGlyph8;
break;
case 16:
glyph = fbGlyph16;
break;
case 24:
glyph = fbGlyph24;
break;
case 32:
glyph = fbGlyph32;
break;
}
}
x += pDrawable->x;
y += pDrawable->y;
while (nglyph--) {
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight) {
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (glyph && gWidth <= sizeof(FbStip) * 8 &&
fbGlyphIn(fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight)) {
(*glyph) (dst + (gy + dstYoff) * dstStride,
dstStride,
dstBpp,
(FbStip *) pglyph, pPriv->xor, gx + dstXoff, gHeight);
}
else
{
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof(FbStip);
fbPushImage(pDrawable,
pGC,
(FbStip *) pglyph,
gStride, 0, gx, gy, gWidth, gHeight);
}
}
x += pci->metrics.characterWidth;
}
}
void
fbGetImage (DrawablePtr pDrawable,
int x,
int y,
int w,
int h,
unsigned int format,
unsigned long planeMask,
char *d)
{
FbBits *src;
FbStride srcStride;
int srcBpp;
int srcXoff, srcYoff;
FbStip *dst;
FbStride dstStride;
/*
* XFree86 DDX empties the root borderClip when the VT is
* switched away; this checks for that case
*/
if (!fbDrawableEnabled(pDrawable))
return;
#ifdef FB_24_32BIT
if (format == ZPixmap &&
pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth))
{
fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d);
return;
}
#endif
fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
x += pDrawable->x;
y += pDrawable->y;
dst = (FbStip *) d;
if (format == ZPixmap || srcBpp == 1)
{
FbBits pm;
pm = fbReplicatePixel (planeMask, srcBpp);
dstStride = PixmapBytePad(w, pDrawable->depth);
if (pm != FB_ALLONES)
memset (d, 0, dstStride * h);
dstStride /= sizeof (FbStip);
fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride),
FbBitsStrideToStipStride(srcStride),
(x + srcXoff) * srcBpp,
dst,
dstStride,
0,
w * srcBpp, h,
GXcopy,
pm,
srcBpp);
}
else
{
dstStride = BitmapBytePad(w) / sizeof (FbStip);
fbBltPlane (src + (y + srcYoff) * srcStride,
srcStride,
(x + srcXoff) * srcBpp,
srcBpp,
dst,
dstStride,
0,
w * srcBpp, h,
fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
fbAndStip(GXcopy,0,FB_STIP_ALLONES),
fbXorStip(GXcopy,0,FB_STIP_ALLONES),
planeMask);
}
}
void
fbPutXYImage (DrawablePtr pDrawable,
RegionPtr pClip,
FbBits fg,
FbBits bg,
FbBits pm,
int alu,
Bool opaque,
int x,
int y,
int width,
int height,
FbStip *src,
FbStride srcStride,
int srcX)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
int nbox;
BoxPtr pbox;
int x1, y1, x2, y2;
FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0;
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
if (dstBpp == 1)
{
if (opaque)
alu = FbOpaqueStipple1Rop(alu,fg,bg);
else
alu = FbStipple1Rop(alu,fg);
}
else
{
fgand = fbAnd(alu,fg,pm);
fgxor = fbXor(alu,fg,pm);
if (opaque)
{
bgand = fbAnd(alu,bg,pm);
bgxor = fbXor(alu,bg,pm);
}
else
{
bgand = fbAnd(GXnoop,(FbBits)0,FB_ALLONES);
bgxor = fbXor(GXnoop,(FbBits)0,FB_ALLONES);
}
}
for (nbox = REGION_NUM_RECTS (pClip),
pbox = REGION_RECTS(pClip);
nbox--;
pbox++)
{
x1 = x;
y1 = y;
x2 = x + width;
y2 = y + height;
if (x1 < pbox->x1)
x1 = pbox->x1;
if (y1 < pbox->y1)
y1 = pbox->y1;
if (x2 > pbox->x2)
x2 = pbox->x2;
if (y2 > pbox->y2)
y2 = pbox->y2;
if (x1 >= x2 || y1 >= y2)
continue;
if (dstBpp == 1)
{
fbBltStip (src + (y1 - y) * srcStride,
srcStride,
(x1 - x) + srcX,
(FbStip *) (dst + (y1 + dstYoff) * dstStride),
FbBitsStrideToStipStride(dstStride),
(x1 + dstXoff) * dstBpp,
(x2 - x1) * dstBpp,
(y2 - y1),
alu,
pm,
dstBpp);
}
else
{
fbBltOne (src + (y1 - y) * srcStride,
srcStride,
(x1 - x) + srcX,
dst + (y1 + dstYoff) * dstStride,
dstStride,
(x1 + dstXoff) * dstBpp,
dstBpp,
(x2 - x1) * dstBpp,
(y2 - y1),
fgand, fgxor, bgand, bgxor);
}
}
}
void
fbPushFill (DrawablePtr pDrawable,
GCPtr pGC,
FbStip *src,
FbStride srcStride,
int srcX,
int x,
int y,
int width,
int height)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
if (pGC->fillStyle == FillSolid)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
int dstX;
int dstWidth;
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
dst = dst + (y + dstYoff) * dstStride;
dstX = (x + dstXoff) * dstBpp;
dstWidth = width * dstBpp;
if (dstBpp == 1)
{
fbBltStip (src,
srcStride,
srcX,
(FbStip *) dst,
FbBitsStrideToStipStride (dstStride),
dstX,
dstWidth,
height,
FbStipple1Rop(pGC->alu,pGC->fgPixel),
pPriv->pm,
dstBpp);
}
else
{
fbBltOne (src,
srcStride,
srcX,
dst,
dstStride,
dstX,
dstBpp,
dstWidth,
height,
pPriv->and, pPriv->xor,
fbAnd(GXnoop,(FbBits) 0,FB_ALLONES),
fbXor(GXnoop,(FbBits) 0,FB_ALLONES));
}
}
else
{
fbPushPattern (pDrawable, pGC, src, srcStride, srcX,
x, y, width, height);
}
}
void
fbAddTraps (PicturePtr pPicture,
INT16 x_off,
INT16 y_off,
int ntrap,
xTrap *traps)
{
FbBits *buf;
int bpp;
int width;
int stride;
int height;
int pxoff, pyoff;
xFixed x_off_fixed;
xFixed y_off_fixed;
RenderEdge l, r;
xFixed t, b;
fbGetDrawable (pPicture->pDrawable, buf, stride, bpp, pxoff, pyoff);
width = pPicture->pDrawable->width;
height = pPicture->pDrawable->height;
x_off += pxoff;
y_off += pyoff;
x_off_fixed = IntToxFixed(y_off);
y_off_fixed = IntToxFixed(y_off);
while (ntrap--)
{
t = traps->top.y + y_off_fixed;
if (t < 0)
t = 0;
t = RenderSampleCeilY (t, bpp);
b = traps->bot.y + y_off_fixed;
if (xFixedToInt (b) >= height)
b = IntToxFixed (height) - 1;
b = RenderSampleFloorY (b, bpp);
if (b >= t)
{
/* initialize edge walkers */
RenderEdgeInit (&l, bpp, t,
traps->top.l + x_off_fixed,
traps->top.y + y_off_fixed,
traps->bot.l + x_off_fixed,
traps->bot.y + y_off_fixed);
RenderEdgeInit (&r, bpp, t,
traps->top.r + x_off_fixed,
traps->top.y + y_off_fixed,
traps->bot.r + x_off_fixed,
traps->bot.y + y_off_fixed);
fbRasterizeEdges (buf, bpp, width, stride, &l, &r, t, b);
}
traps++;
}
}
void
fbPolyArc (DrawablePtr pDrawable,
GCPtr pGC,
int narcs,
xArc *parcs)
{
FbArc arc;
if (pGC->lineWidth == 0)
{
#ifndef FBNOPIXADDR
arc = 0;
if (pGC->lineStyle == LineSolid && pGC->fillStyle == FillSolid)
{
switch (pDrawable->bitsPerPixel)
{
case 8: arc = fbArc8; break;
case 16: arc = fbArc16; break;
#ifdef FB_24BIT
case 24: arc = fbArc24; break;
#endif
case 32: arc = fbArc32; break;
}
}
if (arc)
{
FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
BoxRec box;
int x2, y2;
RegionPtr cclip;
cclip = fbGetCompositeClip (pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (narcs--)
{
if (miCanZeroArc (parcs))
{
box.x1 = parcs->x + pDrawable->x;
box.y1 = parcs->y + pDrawable->y;
/*
* Because box.x2 and box.y2 get truncated to 16 bits, and the
* RECT_IN_REGION test treats the resulting number as a signed
* integer, the RECT_IN_REGION test alone can go the wrong way.
* This can result in a server crash because the rendering
* routines in this file deal directly with cpu addresses
* of pixels to be stored, and do not clip or otherwise check
* that all such addresses are within their respective pixmaps.
* So we only allow the RECT_IN_REGION test to be used for
* values that can be expressed correctly in a signed short.
*/
x2 = box.x1 + (int)parcs->width + 1;
box.x2 = x2;
y2 = box.y1 + (int)parcs->height + 1;
box.y2 = y2;
if ( (x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) &&
(RECT_IN_REGION(pDrawable->pScreen, cclip, &box) == rgnIN) )
(*arc) (dst, dstStride, dstBpp,
parcs, pDrawable->x + dstXoff, pDrawable->y + dstYoff,
pPriv->and, pPriv->xor);
else
miZeroPolyArc(pDrawable, pGC, 1, parcs);
}
else
miPolyArc(pDrawable, pGC, 1, parcs);
parcs++;
}
}
else
#endif
miZeroPolyArc (pDrawable, pGC, narcs, parcs);
}
else
miPolyArc (pDrawable, pGC, narcs, parcs);
}
void
tridentComposite (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
SetupTrident (pDst->pDrawable->pScreen);
tridentScreenInfo(pScreenPriv);
RegionRec region;
int n;
BoxPtr pbox;
CARD32 rgb;
CARD8 *msk, *mskLine;
FbBits *mskBits;
FbStride mskStride;
int mskBpp;
int mskXoff, mskYoff;
CARD32 *src, *srcLine;
CARD32 *off, *offLine;
FbBits *srcBits;
FbStride srcStride;
int srcXoff, srcYoff;
FbStride offStride;
int srcBpp;
int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
int x2;
int w, h, w_this, h_this, w_remain;
CARD32 *off_screen;
int off_size = tridents->off_screen_size >> 2;
int off_width, off_height;
int stride = pScreenPriv->screen->fb[0].pixelStride;
int mskExtra;
CARD32 off_screen_offset = tridents->off_screen - tridents->screen;
int mode;
#define MODE_NONE 0
#define MODE_IMAGE 1
#define MODE_MASK 2
rgb = *((CARD32 *) ((PixmapPtr) (pSrc->pDrawable))->devPrivate.ptr);
if (pMask &&
!pMask->repeat &&
pMask->format == PICT_a8 &&
op == PictOpOver &&
pSrc->repeat &&
pSrc->pDrawable->width == 1 &&
pSrc->pDrawable->height == 1 &&
PICT_FORMAT_BPP(pSrc->format) == 32 &&
(PICT_FORMAT_A(pSrc->format) == 0 ||
(rgb & 0xff000000) == 0xff000000) &&
pDst->pDrawable->bitsPerPixel == 32 &&
pDst->pDrawable->type == DRAWABLE_WINDOW)
{
mode = MODE_MASK;
}
else if (!pMask &&
op == PictOpOver &&
!pSrc->repeat &&
PICT_FORMAT_A(pSrc->format) == 8 &&
PICT_FORMAT_BPP(pSrc->format) == 32 &&
pDst->pDrawable->bitsPerPixel == 32 &&
pDst->pDrawable->type == DRAWABLE_WINDOW)
{
mode = MODE_IMAGE;
}
else
mode = MODE_NONE;
if (mode != MODE_NONE)
{
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
xSrc += pSrc->pDrawable->x;
ySrc += pSrc->pDrawable->y;
fbGetDrawable (pSrc->pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
if (pMask)
{
xMask += pMask->pDrawable->x;
yMask += pMask->pDrawable->y;
fbGetDrawable (pMask->pDrawable, mskBits, mskStride, mskBpp, mskXoff, mskYoff);
mskStride = mskStride * sizeof (FbBits) / sizeof (CARD8);
}
if (!miComputeCompositeRegion (®ion,
pSrc,
pMask,
pDst,
xSrc,
ySrc,
xMask,
yMask,
xDst,
yDst,
width,
height))
return;
_tridentInit(cop,tridentc);
cop->multi = COP_MULTI_PATTERN;
cop->src_offset = off_screen_offset;
if (mode == MODE_IMAGE)
{
cop->multi = (COP_MULTI_ALPHA |
COP_ALPHA_BLEND_ENABLE |
COP_ALPHA_WRITE_ENABLE |
0x7 << 16 |
COP_ALPHA_DST_BLEND_1_SRC_A |
COP_ALPHA_SRC_BLEND_1);
}
else
{
rgb &= 0xffffff;
cop->multi = (COP_MULTI_ALPHA |
COP_ALPHA_BLEND_ENABLE |
COP_ALPHA_WRITE_ENABLE |
0x7 << 16 |
COP_ALPHA_DST_BLEND_1_SRC_A |
COP_ALPHA_SRC_BLEND_SRC_A);
}
n = REGION_NUM_RECTS (®ion);
pbox = REGION_RECTS (®ion);
while (n--)
{
h = pbox->y2 - pbox->y1;
w = pbox->x2 - pbox->x1;
offStride = (w + 7) & ~7;
off_height = off_size / offStride;
if (off_height > h)
off_height = h;
cop->multi = COP_MULTI_STRIDE | (stride << 16) | offStride;
y_dst = pbox->y1;
y_src = y_dst - yDst + ySrc;
y_msk = y_dst - yDst + yMask;
x_dst = pbox->x1;
x_src = x_dst - xDst + xSrc;
x_msk = x_dst - xDst + xMask;
if (mode == MODE_IMAGE)
srcLine = (CARD32 *) srcBits + (y_src - srcYoff) * srcStride + (x_src - srcXoff);
else
mskLine = (CARD8 *) mskBits + (y_msk - mskYoff) * mskStride + (x_msk - mskXoff);
while (h)
{
h_this = h;
if (h_this > off_height)
h_this = off_height;
h -= h_this;
offLine = (CARD32 *) tridents->off_screen;
_tridentWaitDone(cop);
cop->dst_start_xy = TRI_XY(x_dst, y_dst);
cop->dst_end_xy = TRI_XY(x_dst + w - 1, y_dst + h_this - 1);
cop->src_start_xy = TRI_XY(0,0);
cop->src_end_xy = TRI_XY(w - 1, h_this - 1);
if (mode == MODE_IMAGE)
{
while (h_this--)
{
w_remain = w;
src = srcLine;
srcLine += srcStride;
off = offLine;
offLine += offStride;
while (w_remain--)
*off++ = *src++;
}
}
else
{
while (h_this--)
{
w_remain = w;
msk = mskLine;
mskLine += mskStride;
off = offLine;
offLine += offStride;
while (w_remain--)
*off++ = rgb | (*msk++ << 24);
}
}
cop->command = (COP_OP_BLT |
COP_SCL_OPAQUE |
COP_OP_FB);
}
pbox++;
}
cop->src_offset = 0;
KdMarkSync (pDst->pDrawable->pScreen);
}
else
{
KdCheckComposite (op,
pSrc,
pMask,
pDst,
xSrc,
ySrc,
xMask,
yMask,
xDst,
yDst,
width,
height);
}
}
void
qtShadowUpdate (ScreenPtr pScreen,
shadowBufPtr pBuf)
{
qtScreenPriv(pScreen);
qtScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RegionPtr damage = &pBuf->damage;
DWORD dwBox = REGION_NUM_RECTS (damage);
BoxPtr pBox = REGION_RECTS (damage);
int x, y, w, h;
FbBits *shaBase;
FbStride shaStride;
int shaBpp;
int shaXoff, shaYoff; /* assumed to be zero */
/*
* Return immediately if the app is not active
* and we are fullscreen, or if we have a bad display depth
*/
if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen)
|| pScreenPriv->fBadDepth) return;
/*
* get shadow pixmap
*/
fbGetDrawable(&pBuf->pPixmap->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
/*
* Handle small regions with multiple blits,
* handle large regions by creating a clipping region and
* doing a single blit constrained to that clipping region.
*/
if (pScreenInfo->dwClipUpdatesNBoxes == 0
|| dwBox < pScreenInfo->dwClipUpdatesNBoxes)
{
/* Loop through all boxes in the damaged region */
while (dwBox--)
{
/*
* Calculate x offset, y offset, width, and height for
* current damage box
*/
x = pBox->x1;
y = pBox->y1;
w = pBox->x2 - pBox->x1;
h = pBox->y2 - pBox->y1;
/* redraw */
qtRedrawScreen(x, y, w, h,
shaBase, shaStride*sizeof(FbBits), shaBpp,
pBuf->randr);
/* Get a pointer to the next box */
++pBox;
}
}
else
{
int x1, y1, x2, y2;
/*
複数の damage box を merge して BitBlt してやる必要がある。
WIN32の場合は region を使うことができるが、Qt にはないので、
全ボックスを囲むボックスを計算しないといけない。
*/
x1 = pBox->x1; y1 = pBox->y1;
x2 = pBox->x2; y2 = pBox->y2;
dwBox--;
pBox++;
while (dwBox--)
{
if (pBox->x1 < x1) x1 = pBox->x1;
if (pBox->x2 > x2) x2 = pBox->x2;
if (pBox->y1 < y1) y1 = pBox->y1;
if (pBox->y2 > y2) y2 = pBox->y2;
pBox++;
}
/* redraw */
qtRedrawScreen(x, y, w, h,
shaBase, shaStride*sizeof(FbBits), shaBpp,
pBuf->randr);
}
/* Redraw all windows */
#if 0 /* ### */
if (pScreenInfo->fMultiWindow) EnumWindows(winRedrawAllProcShadow, 0);
#endif
}
void
fbFill (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int width,
int height)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (pGC->fillStyle) {
case FillSolid:
fbSolid (dst + (y + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
dstBpp,
width * dstBpp, height,
pPriv->and, pPriv->xor);
break;
case FillStippled:
case FillOpaqueStippled: {
PixmapPtr pStip = pGC->stipple;
int stipWidth = pStip->drawable.width;
int stipHeight = pStip->drawable.height;
if (dstBpp == 1)
{
int alu;
FbBits *stip;
FbStride stipStride;
int stipBpp;
int stipXoff, stipYoff; /* XXX assumed to be zero */
if (pGC->fillStyle == FillStippled)
alu = FbStipple1Rop(pGC->alu,pGC->fgPixel);
else
alu = FbOpaqueStipple1Rop(pGC->alu,pGC->fgPixel,pGC->bgPixel);
fbGetDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
fbTile (dst + (y + dstYoff) * dstStride,
dstStride,
x + dstXoff,
width, height,
stip,
stipStride,
stipWidth,
stipHeight,
alu,
pPriv->pm,
dstBpp,
(pGC->patOrg.x + pDrawable->x),
pGC->patOrg.y + pDrawable->y - y);
}
else
{
FbStip *stip;
FbStride stipStride;
int stipBpp;
int stipXoff, stipYoff; /* XXX assumed to be zero */
FbBits fgand, fgxor, bgand, bgxor;
fgand = pPriv->and;
fgxor = pPriv->xor;
if (pGC->fillStyle == FillStippled)
{
bgand = fbAnd(GXnoop,(FbBits) 0,FB_ALLONES);
bgxor = fbXor(GXnoop,(FbBits) 0,FB_ALLONES);
}
else
{
bgand = pPriv->bgand;
bgxor = pPriv->bgxor;
}
fbGetStipDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
fbStipple (dst + y * dstStride,
dstStride,
x * dstBpp,
dstBpp,
width * dstBpp, height,
stip,
stipStride,
stipWidth,
stipHeight,
pPriv->evenStipple,
fgand, fgxor,
bgand, bgxor,
pGC->patOrg.x + pDrawable->x,
pGC->patOrg.y + pDrawable->y - y);
}
break;
}
case FillTiled: {
PixmapPtr pTile = pGC->tile.pixmap;
FbBits *tile;
FbStride tileStride;
int tileBpp;
int tileWidth;
int tileHeight;
int tileXoff, tileYoff; /* XXX assumed to be zero */
fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp, tileXoff, tileYoff);
tileWidth = pTile->drawable.width;
tileHeight = pTile->drawable.height;
fbTile (dst + (y + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
width * dstBpp, height,
tile,
tileStride,
tileWidth * tileBpp,
tileHeight,
pGC->alu,
pPriv->pm,
dstBpp,
(pGC->patOrg.x + pDrawable->x) * dstBpp,
pGC->patOrg.y + pDrawable->y - y);
break;
}
}
fbValidateDrawable (pDrawable);
}
/**
* Implements CopyPlane and CopyArea from the GPU to the GPU by using
* the source as a texture and painting that into the destination.
*
* This requires that source and dest are different textures, or that
* (if the copy area doesn't overlap), GL_NV_texture_barrier is used
* to ensure that the caches are flushed at the right times.
*/
static Bool
glamor_copy_cpu_fbo(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
ScreenPtr screen = dst->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
FbBits *src_bits;
FbStride src_stride;
int src_bpp;
int src_xoff, src_yoff;
int dst_xoff, dst_yoff;
if (gc && gc->alu != GXcopy)
goto bail;
if (gc && !glamor_pm_is_solid(gc->depth, gc->planemask))
goto bail;
glamor_make_current(glamor_priv);
glamor_prepare_access(src, GLAMOR_ACCESS_RO);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_xoff, &dst_yoff);
if (bitplane) {
PixmapPtr src_pix = fbCreatePixmap(screen, dst_pixmap->drawable.width,
dst_pixmap->drawable.height,
dst->depth, 0);
if (!src_pix) {
glamor_finish_access(src);
goto bail;
}
src_pix->drawable.x = -dst->x;
src_pix->drawable.y = -dst->y;
fbGetDrawable(&src_pix->drawable, src_bits, src_stride, src_bpp, src_xoff,
src_yoff);
if (src->bitsPerPixel > 1)
fbCopyNto1(src, &src_pix->drawable, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane, closure);
else
fbCopy1toN(src, &src_pix->drawable, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane, closure);
glamor_upload_boxes(dst_pixmap, box, nbox, src_xoff, src_yoff,
dst_xoff, dst_yoff, (uint8_t *) src_bits,
src_stride * sizeof(FbBits));
fbDestroyPixmap(src_pix);
} else {
fbGetDrawable(src, src_bits, src_stride, src_bpp, src_xoff, src_yoff);
glamor_upload_boxes(dst_pixmap, box, nbox, src_xoff + dx, src_yoff + dy,
dst_xoff, dst_yoff,
(uint8_t *) src_bits, src_stride * sizeof (FbBits));
}
glamor_finish_access(src);
return TRUE;
bail:
return FALSE;
}
void
fbImageGlyphBlt(DrawablePtr drawable, GCPtr gc,
int x, int y,
unsigned int nglyph, CharInfoPtr * ppciInit, pointer glyphs)
{
FbGCPrivPtr pgc = fb_gc(gc);
CharInfoPtr *ppci;
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
bool opaque;
int n;
int gx, gy;
void (*raster)(FbBits *, FbStride, int, FbStip *, FbBits, int, int);
FbBits *dst = 0;
FbStride dstStride = 0;
int dstBpp = 0;
int dstXoff = 0, dstYoff = 0;
DBG(("%s x %d\n", __FUNCTION__, nglyph));
raster = 0;
if (pgc->and == 0) {
dstBpp = drawable->bitsPerPixel;
switch (dstBpp) {
case 8:
raster = fbGlyph8;
break;
case 16:
raster = fbGlyph16;
break;
case 32:
raster = fbGlyph32;
break;
}
}
x += drawable->x;
y += drawable->y;
if (TERMINALFONT(gc->font) && !raster) {
opaque = TRUE;
} else {
int xBack, widthBack;
int yBack, heightBack;
ppci = ppciInit;
n = nglyph;
widthBack = 0;
while (n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0) {
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(gc->font);
heightBack = FONTASCENT(gc->font) + FONTDESCENT(gc->font);
fbSolidBoxClipped(drawable, gc,
xBack, yBack,
xBack + widthBack,
yBack + heightBack);
opaque = FALSE;
}
ppci = ppciInit;
while (nglyph--) {
pci = *ppci++;
pglyph = FONTGLYPHBITS(glyphs, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight) {
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (raster && gWidth <= sizeof(FbStip) * 8 &&
fbGlyphIn(gc, gx, gy, gWidth, gHeight)) {
fbGetDrawable(drawable, dst, dstStride, dstBpp, dstXoff,
dstYoff);
raster(dst + (gy + dstYoff) * dstStride, dstStride, dstBpp,
(FbStip *) pglyph, pgc->fg, gx + dstXoff, gHeight);
} else {
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof(FbStip);
fbPutXYImage(drawable, gc,
pgc->fg, pgc->bg, pgc->pm,
GXcopy, opaque,
gx, gy, gWidth, gHeight,
(FbStip *) pglyph, gStride, 0);
}
}
x += pci->metrics.characterWidth;
}
}
void
fbPolyGlyphBlt(DrawablePtr drawable, GCPtr gc,
int x, int y,
unsigned int nglyph, CharInfoPtr * ppci, pointer glyphs)
{
FbGCPrivPtr pgc = fb_gc(gc);
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gx, gy;
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
void (*raster) (FbBits *, FbStride, int, FbStip *, FbBits, int, int);
FbBits *dst = 0;
FbStride dstStride = 0;
int dstBpp = 0;
int dstXoff = 0, dstYoff = 0;
DBG(("%s x %d\n", __FUNCTION__, nglyph));
raster = 0;
if (gc->fillStyle == FillSolid && pgc->and == 0) {
dstBpp = drawable->bitsPerPixel;
switch (dstBpp) {
case 8:
raster = fbGlyph8;
break;
case 16:
raster = fbGlyph16;
break;
case 32:
raster = fbGlyph32;
break;
}
}
x += drawable->x;
y += drawable->y;
while (nglyph--) {
pci = *ppci++;
pglyph = FONTGLYPHBITS(glyphs, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight) {
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (raster && gWidth <= sizeof(FbStip) * 8 &&
fbGlyphIn(gc, gx, gy, gWidth, gHeight)) {
fbGetDrawable(drawable, dst, dstStride, dstBpp, dstXoff,
dstYoff);
raster(dst + (gy + dstYoff) * dstStride, dstStride, dstBpp,
(FbStip *) pglyph, pgc->xor, gx + dstXoff, gHeight);
} else {
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof(FbStip);
fbPushImage(drawable, gc,
(FbStip *)pglyph,
gStride, 0, gx, gy, gWidth, gHeight);
}
}
x += pci->metrics.characterWidth;
}
}
