XLibre/xf86-video-fbdev
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Fix shadow framebuffer, and by extension rotation.

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Based on Adam Jackson's shadow framebuffer fixes in xf86-video-vesa.
This commit is contained in:
Michel Dänzer
2006-12-27 13:05:12 +01:00
parent 643573a51f
commit 43236f5bfc
1 changed files with 61 additions and 33 deletions
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94
src/fbdev.c
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@@ -63,11 +63,6 @@ static Bool FBDevDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op,
enum { FBDEV_ROTATE_NONE=0, FBDEV_ROTATE_CW=270, FBDEV_ROTATE_UD=180, FBDEV_ROTATE_CCW=90 };
/*static ShadowUpdateProc updateFuncs[] =
{ shadowUpdatePacked, shadowUpdateRotate8_270, shadowUpdateRotate8_180, shadowUpdateRotate8_90,
shadowUpdatePacked, shadowUpdateRotate16_270, shadowUpdateRotate16_180, shadowUpdateRotate16_90,
shadowUpdatePacked, shadowUpdateRotate32_270, shadowUpdateRotate32_180, shadowUpdateRotate32_90 }; */
/* -------------------------------------------------------------------- */
@@ -234,7 +229,9 @@ typedef struct {
int lineLength;
int rotate;
Bool shadowFB;
void *shadow;
CloseScreenProcPtr CloseScreen;
CreateScreenResourcesProcPtr CreateScreenResources;
void (*PointerMoved)(int index, int x, int y);
EntityInfoPtr pEnt;
/* DGA info */
@@ -613,33 +610,47 @@ FBDevPreInit(ScrnInfoPtr pScrn, int flags)
return TRUE;
}
static Bool
FBDevShadowInit(ScreenPtr pScreen, FBDevPtr fPtr)
FBDevCreateScreenResources(ScreenPtr pScreen)
{
PixmapPtr pPixmap;
ShadowUpdateProc update;
ShadowWindowProc window;
pPixmap = pScreen->CreatePixmap(pScreen, pScreen->width, pScreen->height,
pScreen->rootDepth);
if (!pPixmap)
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
FBDevPtr fPtr = FBDEVPTR(pScrn);
Bool ret;
pScreen->CreateScreenResources = fPtr->CreateScreenResources;
ret = pScreen->CreateScreenResources(pScreen);
pScreen->CreateScreenResources = FBDevCreateScreenResources;
if (!ret)
return FALSE;
if (!shadowSetup(pScreen)) {
pScreen->DestroyPixmap(pPixmap);
pPixmap = pScreen->GetScreenPixmap(pScreen);
if (!shadowAdd(pScreen, pPixmap, fPtr->rotate ?
shadowUpdateRotatePackedWeak() : shadowUpdatePackedWeak(),
FBDevWindowLinear, fPtr->rotate, NULL)) {
return FALSE;
}
update = fPtr->rotate ? shadowUpdateRotatePackedWeak()
: shadowUpdatePackedWeak();
return TRUE;
}
if (!shadowAdd(pScreen, pPixmap, update, FBDevWindowLinear,
fPtr->rotate, NULL)) {
pScreen->DestroyPixmap(pPixmap);
static Bool
FBDevShadowInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
FBDevPtr fPtr = FBDEVPTR(pScrn);
if (!shadowSetup(pScreen)) {
return FALSE;
} else {
return TRUE;
}
}
fPtr->CreateScreenResources = pScreen->CreateScreenResources;
pScreen->CreateScreenResources = FBDevCreateScreenResources;
return TRUE;
}
@@ -650,7 +661,7 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
FBDevPtr fPtr = FBDEVPTR(pScrn);
VisualPtr visual;
int init_picture = 0;
int ret,flags,width,height;
int ret, flags;
int type;
TRACE_ENTER("FBDevScreenInit");
@@ -707,11 +718,9 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
if(fPtr->rotate==FBDEV_ROTATE_CW || fPtr->rotate==FBDEV_ROTATE_CCW)
{
height = pScrn->virtualX;
width = pScrn->displayWidth = pScrn->virtualY;
} else {
height = pScrn->virtualY;
width = pScrn->virtualX;
int tmp = pScrn->virtualX;
pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY;
pScrn->virtualY = tmp;
}
if(fPtr->rotate && !fPtr->PointerMoved) {
@@ -721,6 +730,17 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
fPtr->fbstart = fPtr->fbmem + fPtr->fboff;
if (fPtr->shadowFB) {
fPtr->shadow = xcalloc(1, pScrn->virtualX * pScrn->virtualY *
pScrn->bitsPerPixel);
if (!fPtr->shadow) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate shadow framebuffer\n");
return FALSE;
}
}
switch ((type = fbdevHWGetType(pScrn)))
{
#ifdef USE_AFB
@@ -751,8 +771,11 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
case 16:
case 24:
case 32:
ret = fbScreenInit(pScreen, fPtr->fbstart, width, height,
pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel);
ret = fbScreenInit(pScreen, fPtr->shadowFB ? fPtr->shadow
: fPtr->fbstart, pScrn->virtualX,
pScrn->virtualY, pScrn->xDpi,
pScrn->yDpi, pScrn->displayWidth,
pScrn->bitsPerPixel);
init_picture = 1;
break;
default:
@@ -817,7 +840,7 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Render extension initialisation failed\n");
if (fPtr->shadowFB && !FBDevShadowInit(pScreen, fPtr)) {
if (fPtr->shadowFB && !FBDevShadowInit(pScreen)) {
xf86DrvMsg(scrnIndex, X_ERROR,
"shadow framebuffer initialization failed\n");
return FALSE;
@@ -920,6 +943,10 @@ FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen)
fbdevHWRestore(pScrn);
fbdevHWUnmapVidmem(pScrn);
if (fPtr->shadow) {
xfree(fPtr->shadow);
fPtr->shadow = NULL;
}
if (fPtr->pDGAMode) {
xfree(fPtr->pDGAMode);
fPtr->pDGAMode = NULL;
@@ -927,6 +954,7 @@ FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen)
}
pScrn->vtSema = FALSE;
pScreen->CreateScreenResources = fPtr->CreateScreenResources;
pScreen->CloseScreen = fPtr->CloseScreen;
return (*pScreen->CloseScreen)(scrnIndex, pScreen);
}
@@ -952,7 +980,7 @@ FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
else
*size = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
return ((CARD8 *)fPtr->fbmem + fPtr->fboff + row * fPtr->lineLength + offset);
return ((CARD8 *)fPtr->fbstart + row * fPtr->lineLength + offset);
}
static void