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/*
* Copyright (C) 2012-2013 Russell King.
*
* Based in part on code from the Intel Xorg driver.
*
* Unaccelerated drawing functions for Vivante GPU. These prepare
* access to the drawable prior to passing on the call to the Xorg
* Server's fb layer (or pixman layer.)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "fb.h"
#include "fbpict.h"
#include "cpu_access.h"
#include "unaccel.h"
static void prepare_cpu_gc(GCPtr pGC)
{
if (pGC->stipple)
prepare_cpu_drawable(&pGC->stipple->drawable, CPU_ACCESS_RO);
if (pGC->fillStyle == FillTiled)
prepare_cpu_drawable(&pGC->tile.pixmap->drawable, CPU_ACCESS_RO);
}
static void finish_cpu_gc(GCPtr pGC)
{
if (pGC->fillStyle == FillTiled)
finish_cpu_drawable(&pGC->tile.pixmap->drawable, CPU_ACCESS_RO);
if (pGC->stipple)
finish_cpu_drawable(&pGC->stipple->drawable, CPU_ACCESS_RO);
}
void unaccel_FillSpans(DrawablePtr pDrawable, GCPtr pGC, int nspans,
DDXPointPtr ppt, int *pwidth, int fSorted)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbFillSpans(pDrawable, pGC, nspans, ppt, pwidth, fSorted);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_SetSpans(DrawablePtr pDrawable, GCPtr pGC, char *psrc,
DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbSetSpans(pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_PutImage(DrawablePtr pDrawable, GCPtr pGC, int depth,
int x, int y, int w, int h, int leftPad, int format, char *bits)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
RegionPtr unaccel_CopyArea(DrawablePtr pSrc, DrawablePtr pDst,
GCPtr pGC, int srcx, int srcy, int w, int h, int dstx, int dsty)
{
RegionPtr ret;
prepare_cpu_drawable(pDst, CPU_ACCESS_RW);
prepare_cpu_drawable(pSrc, CPU_ACCESS_RO);
ret = fbCopyArea(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
finish_cpu_drawable(pSrc, CPU_ACCESS_RO);
finish_cpu_drawable(pDst, CPU_ACCESS_RW);
return ret;
}
RegionPtr unaccel_CopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
GCPtr pGC, int srcx, int srcy, int w, int h, int dstx, int dsty,
unsigned long bitPlane)
{
RegionPtr ret;
prepare_cpu_drawable(pDst, CPU_ACCESS_RW);
prepare_cpu_drawable(pSrc, CPU_ACCESS_RO);
ret = fbCopyPlane(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, bitPlane);
finish_cpu_drawable(pSrc, CPU_ACCESS_RO);
finish_cpu_drawable(pDst, CPU_ACCESS_RW);
return ret;
}
void unaccel_PolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode,
int npt, DDXPointPtr pptInit)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
fbPolyPoint(pDrawable, pGC, mode, npt, pptInit);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_PolyLines(DrawablePtr pDrawable, GCPtr pGC, int mode,
int npt, DDXPointPtr ppt)
{
if (pGC->lineWidth == 0) {
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbPolyLine(pDrawable, pGC, mode, npt, ppt);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
} else {
fbPolyLine(pDrawable, pGC, mode, npt, ppt);
}
}
void unaccel_PolySegment(DrawablePtr pDrawable, GCPtr pGC,
int nsegInit, xSegment * pSegInit)
{
if (pGC->lineWidth == 0) {
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbPolySegment(pDrawable, pGC, nsegInit, pSegInit);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
} else {
fbPolySegment(pDrawable, pGC, nsegInit, pSegInit);
}
}
void unaccel_PolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nrect,
xRectangle * prect)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbPolyFillRect(pDrawable, pGC, nrect, prect);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_ImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
int x, int y, unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_PolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
int x, int y, unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_gc(pGC);
fbPolyGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
finish_cpu_gc(pGC);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
void unaccel_PushPixels(GCPtr pGC, PixmapPtr pBitmap,
DrawablePtr pDrawable, int w, int h, int x, int y)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RW);
prepare_cpu_drawable(&pBitmap->drawable, CPU_ACCESS_RO);
prepare_cpu_gc(pGC);
fbPushPixels(pGC, pBitmap, pDrawable, w, h, x, y);
finish_cpu_gc(pGC);
finish_cpu_drawable(&pBitmap->drawable, CPU_ACCESS_RO);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RW);
}
/* Non-GC ops */
void unaccel_GetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
int *pwidth, int nspans, char *pdstStart)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RO);
fbGetSpans(pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RO);
}
void unaccel_GetImage(DrawablePtr pDrawable, int x, int y,
int w, int h, unsigned int format, unsigned long planeMask, char *d)
{
prepare_cpu_drawable(pDrawable, CPU_ACCESS_RO);
fbGetImage(pDrawable, x, y, w, h, format, planeMask, d);
finish_cpu_drawable(pDrawable, CPU_ACCESS_RO);
}
static void unaccel_fixup_tile(DrawablePtr pDraw, PixmapPtr *ppPix)
{
PixmapPtr pNew, pPixmap = *ppPix;
#ifdef FB_24_32BIT
if (pPixmap->drawable.bitsPerPixel != pDraw->bitsPerPixel) {
prepare_cpu_drawable(&pPixmap->drawable, CPU_ACCESS_RO);
pNew = fb24_32ReformatTile(pPixmap, pDraw->bitsPerPixel);
finish_cpu_drawable(&pPixmap->drawable, CPU_ACCESS_RO);
pDraw->pScreen->DestroyPixmap(pPixmap);
*ppPix = pPixmap = pNew;
}
#endif
if (FbEvenTile(pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel)) {
prepare_cpu_drawable(&pPixmap->drawable, CPU_ACCESS_RW);
fbPadPixmap(pPixmap);
finish_cpu_drawable(&pPixmap->drawable, CPU_ACCESS_RW);
}
}
Bool unaccel_ChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
{
if (mask & CWBackPixmap && pWin->backgroundState == BackgroundPixmap)
unaccel_fixup_tile(&pWin->drawable,
&pWin->background.pixmap);
if (mask & CWBorderPixmap && !pWin->borderIsPixel)
unaccel_fixup_tile(&pWin->drawable,
&pWin->border.pixmap);
return TRUE;
}
RegionPtr unaccel_BitmapToRegion(PixmapPtr pixmap)
{
RegionPtr ret;
prepare_cpu_drawable(&pixmap->drawable, CPU_ACCESS_RO);
ret = fbPixmapToRegion(pixmap);
finish_cpu_drawable(&pixmap->drawable, CPU_ACCESS_RO);
return ret;
}
void unaccel_CopyNtoN(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
BoxPtr pBox, int nBox, int dx, int dy, Bool reverse, Bool upsidedown,
Pixel bitPlane, void *closure)
{
prepare_cpu_drawable(pDst, CPU_ACCESS_RW);
if (pDst != pSrc)
prepare_cpu_drawable(pSrc, CPU_ACCESS_RO);
fbCopyNtoN(pSrc, pDst, pGC, pBox, nBox, dx, dy, reverse, upsidedown,
bitPlane, closure);
if (pDst != pSrc)
finish_cpu_drawable(pSrc, CPU_ACCESS_RO);
finish_cpu_drawable(pDst, CPU_ACCESS_RW);
}
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