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-rw-r--r--src/sis_shadow.c312
1 files changed, 149 insertions, 163 deletions
diff --git a/src/sis_shadow.c b/src/sis_shadow.c
index e2c4a11..3869f6e 100644
--- a/src/sis_shadow.c
+++ b/src/sis_shadow.c
@@ -1,4 +1,5 @@
/* $XFree86$ */
+/* $XdotOrg: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_shadow.c,v 1.3 2004/06/17 13:20:14 twini Exp $ */
/*
* Copyright (C) 1999-2004 by The XFree86 Project, Inc.
* based on code written by Mark Vojkovich
@@ -39,96 +40,88 @@
#include "sis_shadow.h"
void
+SISPointerMoved(int index, int x, int y)
+{
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ SISPtr pSiS = SISPTR(pScrn);
+
+ if(pSiS->Rotate == 1) {
+ (*pSiS->PointerMoved)(index, pScrn->pScreen->height - y - 1, x);
+ } else {
+ (*pSiS->PointerMoved)(index, y, pScrn->pScreen->width - x - 1);
+ }
+}
+
+void
SISRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
SISPtr pSiS = SISPTR(pScrn);
- int width, height, Bpp, FBPitch;
- unsigned char *src, *dst;
+ int width, height, Bpp, FBPitch;
+ CARD8 *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 = pSiS->ShadowPtr + (pbox->y1 * pSiS->ShadowPitch) +
- (pbox->x1 * Bpp);
- dst = pSiS->FbBase + (pbox->y1 * FBPitch) + (pbox->x1 * Bpp);
-
- while(height--) {
- memcpy(dst, src, width);
- dst += FBPitch;
- src += pSiS->ShadowPitch;
- }
+ width = (pbox->x2 - pbox->x1) * Bpp;
+ height = pbox->y2 - pbox->y1;
+ src = pSiS->ShadowPtr + (pbox->y1 * pSiS->ShadowPitch) + (pbox->x1 * Bpp);
+ dst = pSiS->FbBase + (pbox->y1 * FBPitch) + (pbox->x1 * Bpp);
+
+ while(height--) {
+ memcpy(dst, src, width);
+ dst += FBPitch;
+ src += pSiS->ShadowPitch;
+ }
- pbox++;
+ pbox++;
}
}
void
-SISPointerMoved(int index, int x, int y)
-{
- ScrnInfoPtr pScrn = xf86Screens[index];
- SISPtr pSiS = SISPTR(pScrn);
- int newX, newY;
-
- if(pSiS->Rotate == 1) {
- newX = pScrn->pScreen->height - y - 1;
- newY = x;
- } else {
- newX = y;
- newY = pScrn->pScreen->width - x - 1;
- }
-
- (*pSiS->PointerMoved)(index, newX, newY);
-}
-
-void
SISRefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
SISPtr pSiS = SISPTR(pScrn);
- int count, width, height, y1, y2, dstPitch, srcPitch;
- CARD8 *dstPtr, *srcPtr, *src;
+ int count, width, height, y1, y2, dstPitch, srcPitch;
+ CARD8 *dstPtr, *srcPtr, *src;
CARD32 *dst;
dstPitch = pScrn->displayWidth;
srcPitch = -pSiS->Rotate * pSiS->ShadowPitch;
while(num--) {
- width = pbox->x2 - pbox->x1;
- y1 = pbox->y1 & ~3;
- y2 = (pbox->y2 + 3) & ~3;
- height = (y2 - y1) >> 2; /* in dwords */
-
- if(pSiS->Rotate == 1) {
- dstPtr = pSiS->FbBase +
- (pbox->x1 * dstPitch) + pScrn->virtualX - y2;
- srcPtr = pSiS->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1;
- } else {
- dstPtr = pSiS->FbBase +
- ((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
- srcPtr = pSiS->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 += pSiS->Rotate;
- dstPtr += dstPitch;
- }
-
- pbox++;
+ width = pbox->x2 - pbox->x1;
+ y1 = pbox->y1 & ~3;
+ y2 = (pbox->y2 + 3) & ~3;
+ height = (y2 - y1) >> 2; /* in dwords */
+
+ if(pSiS->Rotate == 1) {
+ dstPtr = pSiS->FbBase + (pbox->x1 * dstPitch) + pScrn->virtualX - y2;
+ srcPtr = pSiS->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1;
+ } else {
+ dstPtr = pSiS->FbBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
+ srcPtr = pSiS->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 += pSiS->Rotate;
+ dstPtr += dstPitch;
+ }
+
+ pbox++;
}
}
-
void
SISRefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
@@ -141,89 +134,86 @@ SISRefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
srcPitch = -pSiS->Rotate * pSiS->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(pSiS->Rotate == 1) {
- dstPtr = (CARD16*)pSiS->FbBase +
- (pbox->x1 * dstPitch) + pScrn->virtualX - y2;
- srcPtr = (CARD16*)pSiS->ShadowPtr +
- ((1 - y2) * srcPitch) + pbox->x1;
- } else {
- dstPtr = (CARD16*)pSiS->FbBase +
- ((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
- srcPtr = (CARD16*)pSiS->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 += pSiS->Rotate;
- dstPtr += dstPitch;
- }
-
- pbox++;
+ width = pbox->x2 - pbox->x1;
+ y1 = pbox->y1 & ~1;
+ y2 = (pbox->y2 + 1) & ~1;
+ height = (y2 - y1) >> 1; /* in dwords */
+
+ if(pSiS->Rotate == 1) {
+ dstPtr = (CARD16 *)pSiS->FbBase + (pbox->x1 * dstPitch) + pScrn->virtualX - y2;
+ srcPtr = (CARD16 *)pSiS->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1;
+ } else {
+ dstPtr = (CARD16 *)pSiS->FbBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + y1;
+ srcPtr = (CARD16 *)pSiS->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 += pSiS->Rotate;
+ dstPtr += dstPitch;
+ }
+
+ pbox++;
}
}
-
/* this one could be faster */
void
SISRefreshArea24(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
SISPtr pSiS = SISPTR(pScrn);
- int count, width, height, y1, y2, dstPitch, srcPitch;
- CARD8 *dstPtr, *srcPtr, *src;
+ int count, width, height, y1, y2, dstPitch, srcPitch;
+ CARD8 *dstPtr, *srcPtr, *src;
CARD32 *dst;
dstPitch = BitmapBytePad(pScrn->displayWidth * 24);
srcPitch = -pSiS->Rotate * pSiS->ShadowPitch;
while(num--) {
- width = pbox->x2 - pbox->x1;
- y1 = pbox->y1 & ~3;
- y2 = (pbox->y2 + 3) & ~3;
- height = (y2 - y1) >> 2; /* blocks of 3 dwords */
-
- if(pSiS->Rotate == 1) {
- dstPtr = pSiS->FbBase +
- (pbox->x1 * dstPitch) + ((pScrn->virtualX - y2) * 3);
- srcPtr = pSiS->ShadowPtr + ((1 - y2) * srcPitch) + (pbox->x1 * 3);
- } else {
- dstPtr = pSiS->FbBase +
- ((pScrn->virtualY - pbox->x2) * dstPitch) + (y1 * 3);
- srcPtr = pSiS->ShadowPtr + (y1 * srcPitch) + (pbox->x2 * 3) - 3;
- }
-
- while(width--) {
- src = srcPtr;
- dst = (CARD32*)dstPtr;
- count = height;
- while(count--) {
- dst[0] = src[0] | (src[1] << 8) | (src[2] << 16) |
- (src[srcPitch] << 24);
- dst[1] = src[srcPitch + 1] | (src[srcPitch + 2] << 8) |
- (src[srcPitch * 2] << 16) |
- (src[(srcPitch * 2) + 1] << 24);
- dst[2] = src[(srcPitch * 2) + 2] | (src[srcPitch * 3] << 8) |
- (src[(srcPitch * 3) + 1] << 16) |
- (src[(srcPitch * 3) + 2] << 24);
- dst += 3;
- src += srcPitch * 4;
- }
- srcPtr += pSiS->Rotate * 3;
- dstPtr += dstPitch;
- }
-
- pbox++;
+ width = pbox->x2 - pbox->x1;
+ y1 = pbox->y1 & ~3;
+ y2 = (pbox->y2 + 3) & ~3;
+ height = (y2 - y1) >> 2; /* blocks of 3 dwords */
+
+ if(pSiS->Rotate == 1) {
+ dstPtr = pSiS->FbBase + (pbox->x1 * dstPitch) + ((pScrn->virtualX - y2) * 3);
+ srcPtr = pSiS->ShadowPtr + ((1 - y2) * srcPitch) + (pbox->x1 * 3);
+ } else {
+ dstPtr = pSiS->FbBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + (y1 * 3);
+ srcPtr = pSiS->ShadowPtr + (y1 * srcPitch) + (pbox->x2 * 3) - 3;
+ }
+
+ while(width--) {
+ src = srcPtr;
+ dst = (CARD32 *)dstPtr;
+ count = height;
+ while(count--) {
+ dst[0] = src[0] |
+ (src[1] << 8) |
+ (src[2] << 16) |
+ (src[srcPitch] << 24);
+ dst[1] = src[srcPitch + 1] |
+ (src[srcPitch + 2] << 8) |
+ (src[srcPitch * 2] << 16) |
+ (src[(srcPitch * 2) + 1] << 24);
+ dst[2] = src[(srcPitch * 2) + 2] |
+ (src[srcPitch * 3] << 8) |
+ (src[(srcPitch * 3) + 1] << 16) |
+ (src[(srcPitch * 3) + 2] << 24);
+ dst += 3;
+ src += (srcPitch << 2);
+ }
+ srcPtr += pSiS->Rotate * 3;
+ dstPtr += dstPitch;
+ }
+
+ pbox++;
}
}
@@ -231,40 +221,36 @@ void
SISRefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
{
SISPtr pSiS = SISPTR(pScrn);
- int count, width, height, dstPitch, srcPitch;
+ int count, width, height, dstPitch, srcPitch;
CARD32 *dstPtr, *srcPtr, *src, *dst;
dstPitch = pScrn->displayWidth;
srcPitch = -pSiS->Rotate * pSiS->ShadowPitch >> 2;
while(num--) {
- width = pbox->x2 - pbox->x1;
- height = pbox->y2 - pbox->y1;
-
- if(pSiS->Rotate == 1) {
- dstPtr = (CARD32*)pSiS->FbBase +
- (pbox->x1 * dstPitch) + pScrn->virtualX - pbox->y2;
- srcPtr = (CARD32*)pSiS->ShadowPtr +
- ((1 - pbox->y2) * srcPitch) + pbox->x1;
- } else {
- dstPtr = (CARD32*)pSiS->FbBase +
- ((pScrn->virtualY - pbox->x2) * dstPitch) + pbox->y1;
- srcPtr = (CARD32*)pSiS->ShadowPtr +
- (pbox->y1 * srcPitch) + pbox->x2 - 1;
- }
-
- while(width--) {
- src = srcPtr;
- dst = dstPtr;
- count = height;
- while(count--) {
- *(dst++) = *src;
- src += srcPitch;
- }
- srcPtr += pSiS->Rotate;
- dstPtr += dstPitch;
- }
-
- pbox++;
+ width = pbox->x2 - pbox->x1;
+ height = pbox->y2 - pbox->y1;
+
+ if(pSiS->Rotate == 1) {
+ dstPtr = (CARD32 *)pSiS->FbBase + (pbox->x1 * dstPitch) + pScrn->virtualX - pbox->y2;
+ srcPtr = (CARD32 *)pSiS->ShadowPtr + ((1 - pbox->y2) * srcPitch) + pbox->x1;
+ } else {
+ dstPtr = (CARD32 *)pSiS->FbBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + pbox->y1;
+ srcPtr = (CARD32 *)pSiS->ShadowPtr + (pbox->y1 * srcPitch) + pbox->x2 - 1;
+ }
+
+ while(width--) {
+ src = srcPtr;
+ dst = dstPtr;
+ count = height;
+ while(count--) {
+ *(dst++) = *src;
+ src += srcPitch;
+ }
+ srcPtr += pSiS->Rotate;
+ dstPtr += dstPitch;
+ }
+
+ pbox++;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 16:48:29 +0000