static void
GXInitEXAMemory(ScrnInfoPtr pScrni, unsigned int *offset, unsigned int *avail)
{
GeodePtr pGeode = GEODEPTR(pScrni);
if (pGeode->exaBfrSz > 0 && pGeode->exaBfrSz <= *avail) {
pGeode->exaBfrOffset = *offset;
*offset += pGeode->exaBfrOffset;
*avail -= pGeode->exaBfrOffset;
}
}
static void *
GXWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
CARD32 *size, void *closure)
{
ScrnInfoPtr pScrni = xf86ScreenToScrn(pScreen);
GeodeRec *pGeode = GEODEPTR(pScrni);
*size = pGeode->displayPitch;
return (pGeode->FBBase + pGeode->displayOffset) +
row * pGeode->displayPitch + offset;
}
static void
GXInitXAAMemory(ScrnInfoPtr pScrni, unsigned int *offset, unsigned int *avail)
{
GeodePtr pGeode = GEODEPTR(pScrni);
unsigned int size, i, pitch;
/* XXX - FIXME - What if we are out of room? Then what? */
/* For now, we NULL them all out. */
if (pGeode->NoOfImgBuffers > 0) {
size = pGeode->displayPitch * pGeode->NoOfImgBuffers;
if (size <= *avail) {
for (i = 0; i < pGeode->NoOfImgBuffers; i++) {
pGeode->AccelImageWriteBuffers[i] = pGeode->FBBase + *offset;
*offset += pGeode->displayPitch;
*avail -= pGeode->displayPitch;
}
}
else {
xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
"Not enough memory for image write buffers.\n");
for (i = 0; i < pGeode->NoOfImgBuffers; i++)
pGeode->AccelImageWriteBuffers[i] = NULL;
}
}
if (pGeode->NoOfColorExpandLines > 0) {
pitch = ((pGeode->displayPitch + 31) >> 5) << 2;
size = pitch * pGeode->NoOfColorExpandLines;
if (size <= *avail) {
for (i = 0; i < pGeode->NoOfColorExpandLines; i++) {
pGeode->AccelColorExpandBuffers[i] = pGeode->FBBase + *offset;
*offset += pitch;
*avail -= pitch;
}
}
else {
xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
"Not enough memory for color expansion buffers.\n");
for (i = 0; i < pGeode->NoOfImgBuffers; i++)
pGeode->AccelColorExpandBuffers[i] = NULL;
}
}
static void
GXUpdate(ScreenPtr pScreen, shadowBufPtr pBuf)
{
ScrnInfoPtr pScrni = xf86ScreenToScrn(pScreen);
GeodeRec *pGeode = GEODEPTR(pScrni);
int rotate = pGeode->rotation;
switch (rotate) {
case RR_Rotate_90:
if (pScrni->bitsPerPixel == 8)
shadowUpdateRotate8_90(pScreen, pBuf);
else if (pScrni->bitsPerPixel == 16)
shadowUpdateRotate16_90(pScreen, pBuf);
else
shadowUpdateRotate32_90(pScreen, pBuf);
break;
case RR_Rotate_180:
if (pScrni->bitsPerPixel == 8)
shadowUpdateRotate8_180(pScreen, pBuf);
else if (pScrni->bitsPerPixel == 16)
shadowUpdateRotate16_180(pScreen, pBuf);
else
shadowUpdateRotate32_180(pScreen, pBuf);
break;
case RR_Rotate_270:
if (pScrni->bitsPerPixel == 8)
shadowUpdateRotate8_270(pScreen, pBuf);
else if (pScrni->bitsPerPixel == 16)
shadowUpdateRotate16_270(pScreen, pBuf);
else
shadowUpdateRotate32_270(pScreen, pBuf);
break;
}
}
Bool
GXRotate(ScrnInfoPtr pScrni, DisplayModePtr mode)
{
GeodeRec *pGeode = GEODEPTR(pScrni);
Rotation curr = pGeode->rotation;
unsigned int curdw = pScrni->displayWidth;
PixmapPtr pPixmap;
BOOL ret;
pPixmap = pScrni->pScreen->GetScreenPixmap(pScrni->pScreen);
pGeode->rotation = GXGetRotation(pScrni->pScreen);
/* Leave if we have nothing to do */
if (pGeode->rotation == curr && pGeode->curMode == mode) {
return TRUE;
}
shadowRemove(pScrni->pScreen, NULL);
switch (pGeode->rotation) {
case RR_Rotate_0:
ErrorF("Rotate to 0 degrees\n");
pScrni->displayWidth = pGeode->displayWidth;
pGeode->Pitch = pGeode->displayPitch;
break;
case RR_Rotate_90:
ErrorF("Rotate to 90 degrees\n");
pScrni->displayWidth = pScrni->pScreen->width;
break;
case RR_Rotate_180:
ErrorF("Rotate to 180 degrees\n");
pScrni->displayWidth = pGeode->displayWidth;
break;
case RR_Rotate_270:
ErrorF("Rotate to 270 degrees\n");
pScrni->displayWidth = pScrni->pScreen->width;
break;
}
if (pGeode->rotation != RR_Rotate_0) {
ret =
shadowAdd(pScrni->pScreen, pPixmap, GXUpdate, GXWindowLinear,
pGeode->rotation, NULL);
if (!ret) {
ErrorF("shadowAdd failed\n");
goto error;
}
}
if (pGeode->rotation == RR_Rotate_0)
pScrni->fbOffset = pGeode->displayOffset;
else
pScrni->fbOffset = pGeode->shadowOffset;
pScrni->pScreen->ModifyPixmapHeader(pPixmap,
pScrni->pScreen->width,
pScrni->pScreen->height,
pScrni->pScreen->rootDepth,
pScrni->bitsPerPixel,
PixmapBytePad(pScrni->displayWidth,
pScrni->
pScreen->rootDepth),
(pointer) (pGeode->FBBase +
pScrni->fbOffset));
/* Don't use XAA pixmap cache or offscreen pixmaps when rotated */
#if XF86XAA
if (pGeode->AccelInfoRec) {
if (pGeode->rotation == RR_Rotate_0) {
pGeode->AccelInfoRec->Flags =
LINEAR_FRAMEBUFFER | OFFSCREEN_PIXMAPS | PIXMAP_CACHE;
pGeode->AccelInfoRec->UsingPixmapCache = TRUE;
pGeode->AccelInfoRec->maxOffPixWidth = 0;
pGeode->AccelInfoRec->maxOffPixHeight = 0;
}
else {
pGeode->AccelInfoRec->Flags = LINEAR_FRAMEBUFFER;
pGeode->AccelInfoRec->UsingPixmapCache = FALSE;
pGeode->AccelInfoRec->maxOffPixWidth = 1;
pGeode->AccelInfoRec->maxOffPixHeight = 1;
}
}
#endif
return TRUE;
error:
/* Restore the old rotation */
pScrni->displayWidth = curdw;
if (curr & (RR_Rotate_0 | RR_Rotate_180)) {
pScrni->pScreen->width = pScrni->virtualX;
pScrni->pScreen->height = pScrni->virtualY;
}
else {
pScrni->pScreen->width = pScrni->virtualY;
pScrni->pScreen->height = pScrni->virtualX;
}
pGeode->rotation = curr;
return FALSE;
}
