static void
I810DRIInitBuffers(WindowPtr pWin, RegionPtr prgn, CARD32 index)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
BoxPtr pbox = REGION_RECTS(prgn);
int nbox = REGION_NUM_RECTS(prgn);
if (I810_DEBUG & DEBUG_VERBOSE_DRI)
ErrorF("I810DRIInitBuffers\n");
I810SetupForSolidFill(pScrn, 0, GXcopy, -1);
while (nbox--) {
I810SelectBuffer(pScrn, I810_SELECT_BACK);
I810SubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
pbox++;
}
/* Clear the depth buffer - uses 0xffff rather than 0.
*/
pbox = REGION_RECTS(prgn);
nbox = REGION_NUM_RECTS(prgn);
I810SelectBuffer(pScrn, I810_SELECT_DEPTH);
I810SetupForSolidFill(pScrn, 0xffff, GXcopy, -1);
while (nbox--) {
I810SubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
pbox++;
}
I810SelectBuffer(pScrn, I810_SELECT_FRONT);
I810DRISetNeedSync(pScrn);
}
Bool
I810DRIEnter(ScrnInfoPtr pScrn)
{
I810Ptr pI810 = I810PTR(pScrn);
if (pI810->directRenderingEnabled) {
if (pI810->agpAcquired == FALSE)
drmAgpAcquire(pI810->drmSubFD);
pI810->agpAcquired = TRUE;
if (pI810->dcacheHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->dcacheHandle,
pI810->DepthOffset) != 0)
return FALSE;
if (pI810->backHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->backHandle,
pI810->BackOffset) != 0)
return FALSE;
if (pI810->zHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->zHandle,
pI810->DepthOffset) != 0)
return FALSE;
if (pI810->sysmemHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->sysmemHandle, 0) != 0)
return FALSE;
if (pI810->xvmcHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->xvmcHandle,
pI810->MC.Start) != 0)
return FALSE;
if (pI810->cursorHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->cursorHandle,
pI810->CursorStart) != 0)
return FALSE;
if (pI810->cursorARGBHandle != 0)
if (drmAgpBind(pI810->drmSubFD, pI810->cursorARGBHandle,
pI810->CursorARGBStart) != 0)
return FALSE;
}
I810SelectBuffer(pScrn, I810_SELECT_FRONT);
return TRUE;
}
/* This routine is a modified form of XAADoBitBlt with the calls to
* ScreenToScreenBitBlt built in. My routine has the prgnSrc as source
* instead of destination. My origin is upside down so the ydir cases
* are reversed.
*
* KW: can you believe that this is called even when a 2d window moves?
*/
static void
I810DRIMoveBuffers(WindowPtr pParent, DDXPointRec ptOldOrg,
RegionPtr prgnSrc, CARD32 index)
{
ScreenPtr pScreen = pParent->drawable.pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
BoxPtr pboxTmp, pboxNext, pboxBase;
DDXPointPtr pptTmp, pptNew2 = NULL;
int xdir, ydir;
int screenwidth = pScrn->virtualX;
int screenheight = pScrn->virtualY;
BoxPtr pbox = REGION_RECTS(prgnSrc);
int nbox = REGION_NUM_RECTS(prgnSrc);
BoxPtr pboxNew1 = NULL;
BoxPtr pboxNew2 = NULL;
DDXPointPtr pptNew1 = NULL;
DDXPointPtr pptSrc = &ptOldOrg;
int dx = pParent->drawable.x - ptOldOrg.x;
int dy = pParent->drawable.y - ptOldOrg.y;
/* If the copy will overlap in Y, reverse the order */
if (dy > 0) {
ydir = -1;
if (nbox > 1) {
/* Keep ordering in each band, reverse order of bands */
pboxNew1 = (BoxPtr) malloc(sizeof(BoxRec) * nbox);
if (!pboxNew1)
return;
pptNew1 = (DDXPointPtr) malloc(sizeof(DDXPointRec) * nbox);
if (!pptNew1) {
free(pboxNew1);
return;
}
pboxBase = pboxNext = pbox + nbox - 1;
while (pboxBase >= pbox) {
while ((pboxNext >= pbox) && (pboxBase->y1 == pboxNext->y1))
pboxNext--;
pboxTmp = pboxNext + 1;
pptTmp = pptSrc + (pboxTmp - pbox);
while (pboxTmp <= pboxBase) {
*pboxNew1++ = *pboxTmp++;
*pptNew1++ = *pptTmp++;
}
pboxBase = pboxNext;
}
pboxNew1 -= nbox;
pbox = pboxNew1;
pptNew1 -= nbox;
pptSrc = pptNew1;
}
} else {
/* No changes required */
ydir = 1;
}
/* If the regions will overlap in X, reverse the order */
if (dx > 0) {
xdir = -1;
if (nbox > 1) {
/*reverse orderof rects in each band */
pboxNew2 = (BoxPtr) malloc(sizeof(BoxRec) * nbox);
pptNew2 = (DDXPointPtr) malloc(sizeof(DDXPointRec) * nbox);
if (!pboxNew2 || !pptNew2) {
if (pptNew2)
free(pptNew2);
if (pboxNew2)
free(pboxNew2);
if (pboxNew1) {
free(pptNew1);
free(pboxNew1);
}
return;
}
pboxBase = pboxNext = pbox;
while (pboxBase < pbox + nbox) {
while ((pboxNext < pbox + nbox) && (pboxNext->y1 == pboxBase->y1))
pboxNext++;
pboxTmp = pboxNext;
pptTmp = pptSrc + (pboxTmp - pbox);
while (pboxTmp != pboxBase) {
*pboxNew2++ = *--pboxTmp;
*pptNew2++ = *--pptTmp;
}
pboxBase = pboxNext;
}
pboxNew2 -= nbox;
pbox = pboxNew2;
pptNew2 -= nbox;
pptSrc = pptNew2;
}
} else {
/* No changes are needed */
xdir = 1;
}
/* SelectBuffer isn't really a good concept for the i810.
*/
I810EmitFlush(pScrn);
I810SetupForScreenToScreenCopy(pScrn, xdir, ydir, GXcopy, -1, -1);
for (; nbox--; pbox++) {
int x1 = pbox->x1;
int y1 = pbox->y1;
int destx = x1 + dx;
int desty = y1 + dy;
int w = pbox->x2 - x1 + 1;
int h = pbox->y2 - y1 + 1;
if (destx < 0)
x1 -= destx, w += destx, destx = 0;
if (desty < 0)
y1 -= desty, h += desty, desty = 0;
if (destx + w > screenwidth)
w = screenwidth - destx;
if (desty + h > screenheight)
h = screenheight - desty;
if (w <= 0)
continue;
if (h <= 0)
continue;
if (I810_DEBUG & DEBUG_VERBOSE_DRI)
ErrorF("MoveBuffers %d,%d %dx%d dx: %d dy: %d\n",
x1, y1, w, h, dx, dy);
I810SelectBuffer(pScrn, I810_SELECT_BACK);
I810SubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h);
I810SelectBuffer(pScrn, I810_SELECT_DEPTH);
I810SubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h);
}
I810SelectBuffer(pScrn, I810_SELECT_FRONT);
I810EmitFlush(pScrn);
if (pboxNew2) {
free(pptNew2);
free(pboxNew2);
}
if (pboxNew1) {
free(pptNew1);
free(pboxNew1);
}
I810DRISetNeedSync(pScrn);
}
/* The following function sets up the supported acceleration. Call it
* from the FbInit() function in the SVGA driver, or before ScreenInit
* in a monolithic server.
*/
Bool
I810AccelInit(ScreenPtr pScreen)
{
XAAInfoRecPtr infoPtr;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
I810Ptr pI810 = I810PTR(pScrn);
if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
ErrorF("I810AccelInit\n");
pI810->AccelInfoRec = infoPtr = XAACreateInfoRec();
if (!infoPtr)
return FALSE;
pI810->bufferOffset = 0;
infoPtr->Flags = LINEAR_FRAMEBUFFER | OFFSCREEN_PIXMAPS;
/* There is a bit blt bug in 24 bpp. This is a problem, but
* at least without the pixmap cache we can pass the test suite */
if (pScrn->depth != 24)
infoPtr->Flags |= PIXMAP_CACHE;
/* Sync
*/
infoPtr->Sync = I810Sync;
/* Solid filled rectangles
*/
{
infoPtr->SolidFillFlags = NO_PLANEMASK;
infoPtr->SetupForSolidFill = I810SetupForSolidFill;
infoPtr->SubsequentSolidFillRect = I810SubsequentSolidFillRect;
}
/* Screen to screen copy
* - the transparency op hangs the blit engine, disable for now.
*/
{
infoPtr->ScreenToScreenCopyFlags = (0
| NO_PLANEMASK
| NO_TRANSPARENCY | 0);
infoPtr->SetupForScreenToScreenCopy = I810SetupForScreenToScreenCopy;
infoPtr->SubsequentScreenToScreenCopy =
I810SubsequentScreenToScreenCopy;
}
/* 8x8 pattern fills
*/
{
infoPtr->SetupForMono8x8PatternFill = I810SetupForMono8x8PatternFill;
infoPtr->SubsequentMono8x8PatternFillRect =
I810SubsequentMono8x8PatternFillRect;
infoPtr->Mono8x8PatternFillFlags = (HARDWARE_PATTERN_PROGRAMMED_BITS |
HARDWARE_PATTERN_SCREEN_ORIGIN |
BIT_ORDER_IN_BYTE_MSBFIRST |
NO_PLANEMASK | 0);
}
/* 8x8 color fills - not considered useful for XAA.
*/
/* Scanline color expansion - Use the same scheme as the 3.3 driver.
*
*/
if (pI810->Scratch.Size != 0) {
int i;
int width = ((pScrn->displayWidth + 31) & ~31) / 8;
int nr_buffers = pI810->Scratch.Size / width;
unsigned char *ptr = pI810->FbBase + pI810->Scratch.Start;
pI810->NumScanlineColorExpandBuffers = nr_buffers;
pI810->ScanlineColorExpandBuffers = (unsigned char **)
xnfcalloc(nr_buffers, sizeof(unsigned char *));
for (i = 0; i < nr_buffers; i++, ptr += width)
pI810->ScanlineColorExpandBuffers[i] = ptr;
infoPtr->ScanlineCPUToScreenColorExpandFillFlags = (NO_PLANEMASK |
ROP_NEEDS_SOURCE |
BIT_ORDER_IN_BYTE_MSBFIRST
| 0);
infoPtr->ScanlineColorExpandBuffers = (unsigned char **)
xnfcalloc(1, sizeof(unsigned char *));
infoPtr->NumScanlineColorExpandBuffers = 1;
infoPtr->ScanlineColorExpandBuffers[0] =
pI810->ScanlineColorExpandBuffers[0];
pI810->nextColorExpandBuf = 0;
infoPtr->SetupForScanlineCPUToScreenColorExpandFill =
I810SetupForScanlineCPUToScreenColorExpandFill;
infoPtr->SubsequentScanlineCPUToScreenColorExpandFill =
I810SubsequentScanlineCPUToScreenColorExpandFill;
infoPtr->SubsequentColorExpandScanline =
I810SubsequentColorExpandScanline;
}
/* Possible todo: Image writes w/ non-GXCOPY rop.
*/
I810SelectBuffer(pScrn, I810_SELECT_FRONT);
return XAAInit(pScreen, infoPtr);
}
