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/*
Copyright (c) 1999, The XFree86 Project Inc.
Written by Mark Vojkovich <markv@valinux.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "nv_local.h"
#include "nv_include.h"
#include "nv_type.h"
#include "shadowfb.h"
#include "servermd.h"
void
NVShadowUpdate (ScreenPtr pScreen, shadowBufPtr pBuf)
{
RegionPtr damage = DamageRegion(pBuf->pDamage);
ScrnInfoPtr pScrn;
pScrn = xf86ScreenToScrn(pScreen);
(NVPTR(pScrn))->refreshArea (pScrn, REGION_NUM_RECTS(damage),
REGION_RECTS(damage));
}
void
NVRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
NVPtr pNv = NVPTR(pScrn);
int width, height, Bpp, FBPitch;
unsigned char *src, *dst;
Bpp = pScrn->bitsPerPixel >> 3;
FBPitch = BitmapBytePad(pScrn->displayWidth * pScrn->bitsPerPixel);
while(num--) {
width = (pbox->x2 - pbox->x1) * Bpp;
height = pbox->y2 - pbox->y1;
src = pNv->ShadowPtr + (pbox->y1 * pNv->ShadowPitch) +
(pbox->x1 * Bpp);
dst = pNv->FbStart + (pbox->y1 * FBPitch) + (pbox->x1 * Bpp);
while(height--) {
memcpy(dst, src, width);
dst += FBPitch;
src += pNv->ShadowPitch;
}
pbox++;
}
}
void
NVPointerMoved(SCRN_ARG_TYPE arg, int x, int y)
{
SCRN_INFO_PTR(arg);
NVPtr pNv = NVPTR(pScrn);
int newX, newY;
if(pNv->Rotate == 1) {
newX = pScrn->pScreen->height - y - 1;
newY = x;
} else {
newX = y;
newY = pScrn->pScreen->width - x - 1;
}
(*pNv->PointerMoved)(arg, newX, newY);
}
void
NVRefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
NVPtr pNv = NVPTR(pScrn);
int count, width, height, y1, y2, dstPitch, srcPitch;
CARD8 *dstPtr, *srcPtr, *src;
CARD32 *dst;
if(!pNv->Rotate) {
NVRefreshArea(pScrn, num, pbox);
return;
}
dstPitch = pScrn->displayWidth;
srcPitch = -pNv->Rotate * pNv->ShadowPitch;
while(num--) {
width = pbox->x2 - pbox->x1;
y1 = pbox->y1 & ~3;
y2 = (pbox->y2 + 3) & ~3;
height = (y2 - y1) >> 2; /* in dwords */
if(pNv->Rotate == 1) {
dstPtr = pNv->FbStart +
(pbox->x1 * dstPitch) + pScrn->virtualX - y2;
srcPtr = pNv->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1;
} else {
dstPtr = pNv->FbStart +
((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
srcPtr = pNv->ShadowPtr + (y1 * srcPitch) + pbox->x2 - 1;
}
while(width--) {
src = srcPtr;
dst = (CARD32*)dstPtr;
count = height;
while(count--) {
*(dst++) = src[0] | (src[srcPitch] << 8) |
(src[srcPitch * 2] << 16) |
(src[srcPitch * 3] << 24);
src += srcPitch * 4;
}
srcPtr += pNv->Rotate;
dstPtr += dstPitch;
}
pbox++;
}
}
void
NVRefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
NVPtr pNv = NVPTR(pScrn);
int count, width, height, y1, y2, dstPitch, srcPitch;
CARD16 *dstPtr, *srcPtr, *src;
CARD32 *dst;
if(!pNv->Rotate) {
NVRefreshArea(pScrn, num, pbox);
return;
}
dstPitch = pScrn->displayWidth;
srcPitch = -pNv->Rotate * pNv->ShadowPitch >> 1;
while(num--) {
width = pbox->x2 - pbox->x1;
y1 = pbox->y1 & ~1;
y2 = (pbox->y2 + 1) & ~1;
height = (y2 - y1) >> 1; /* in dwords */
if(pNv->Rotate == 1) {
dstPtr = (CARD16*)pNv->FbStart +
(pbox->x1 * dstPitch) + pScrn->virtualX - y2;
srcPtr = (CARD16*)pNv->ShadowPtr +
((1 - y2) * srcPitch) + pbox->x1;
} else {
dstPtr = (CARD16*)pNv->FbStart +
((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
srcPtr = (CARD16*)pNv->ShadowPtr +
(y1 * srcPitch) + pbox->x2 - 1;
}
while(width--) {
src = srcPtr;
dst = (CARD32*)dstPtr;
count = height;
while(count--) {
*(dst++) = src[0] | (src[srcPitch] << 16);
src += srcPitch * 2;
}
srcPtr += pNv->Rotate;
dstPtr += dstPitch;
}
pbox++;
}
}
void
NVRefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
NVPtr pNv = NVPTR(pScrn);
int count, width, height, dstPitch, srcPitch;
CARD32 *dstPtr, *srcPtr, *src, *dst;
if(!pNv->Rotate) {
NVRefreshArea(pScrn, num, pbox);
return;
}
dstPitch = pScrn->displayWidth;
srcPitch = -pNv->Rotate * pNv->ShadowPitch >> 2;
while(num--) {
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
if(pNv->Rotate == 1) {
dstPtr = (CARD32*)pNv->FbStart +
(pbox->x1 * dstPitch) + pScrn->virtualX - pbox->y2;
srcPtr = (CARD32*)pNv->ShadowPtr +
((1 - pbox->y2) * srcPitch) + pbox->x1;
} else {
dstPtr = (CARD32*)pNv->FbStart +
((pScrn->virtualY - pbox->x2) * dstPitch) + pbox->y1;
srcPtr = (CARD32*)pNv->ShadowPtr +
(pbox->y1 * srcPitch) + pbox->x2 - 1;
}
while(width--) {
src = srcPtr;
dst = dstPtr;
count = height;
while(count--) {
*(dst++) = *src;
src += srcPitch;
}
srcPtr += pNv->Rotate;
dstPtr += dstPitch;
}
pbox++;
}
}
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