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-rw-r--r--src/i830_driver.c99
1 files changed, 94 insertions, 5 deletions
diff --git a/src/i830_driver.c b/src/i830_driver.c
index 85d3d739..fc02e549 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -160,6 +160,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "vgaHW.h"
#include "mipointer.h"
#include "micmap.h"
+#include "shadowfb.h"
#include "fb.h"
#include "miscstruct.h"
@@ -223,7 +224,9 @@ typedef enum {
OPTION_CLONE,
OPTION_CLONE_REFRESH,
OPTION_CHECKDEVICES,
- OPTION_FIXEDPIPE
+ OPTION_FIXEDPIPE,
+ OPTION_SHADOW_FB,
+ OPTION_ROTATE
} I830Opts;
static OptionInfoRec I830BIOSOptions[] = {
@@ -243,6 +246,8 @@ static OptionInfoRec I830BIOSOptions[] = {
{OPTION_CLONE_REFRESH,"CloneRefresh",OPTV_INTEGER, {0}, FALSE},
{OPTION_CHECKDEVICES, "CheckDevices",OPTV_BOOLEAN, {0}, FALSE},
{OPTION_FIXEDPIPE, "FixedPipe", OPTV_ANYSTR, {0}, FALSE},
+ {OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE},
+ {OPTION_ROTATE, "Rotate", OPTV_ANYSTR, {0}, FALSE},
{-1, NULL, OPTV_NONE, {0}, FALSE}
};
/* *INDENT-ON* */
@@ -2427,6 +2432,37 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
}
}
+ xf86GetOptValBool(pI830->Options, OPTION_SHADOW_FB, &pI830->shadowFB);
+ if (pI830->shadowFB) {
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Option: shadow FB enabled\n");
+ }
+
+ if ((s = xf86GetOptValString(pI830->Options, OPTION_ROTATE))) {
+ if(!xf86NameCmp(s, "CW")) {
+ /* accel is disabled below for shadowFB */
+ pI830->shadowFB = TRUE;
+ pI830->rotate = 1;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "Rotating screen clockwise - acceleration disabled\n");
+ } else if(!xf86NameCmp(s, "CCW")) {
+ pI830->shadowFB = TRUE;
+ pI830->rotate = -1;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen"
+ "counter clockwise - acceleration disabled\n");
+ } else {
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "\"%s\" is not a valid"
+ "value for Option \"Rotate\"\n", s);
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Valid options are \"CW\" or \"CCW\"\n");
+ }
+ }
+
+ if (pI830->shadowFB && !pI830->noAccel) {
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "HW acceleration not supported with \"shadowFB\".\n");
+ pI830->noAccel = TRUE;
+ }
+
/*
* Let's setup the mobile systems to check the lid status
*/
@@ -3269,6 +3305,15 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
xf86SetOperatingState(resVgaIo, pI830->pEnt->index, ResUnusedOpr);
xf86SetOperatingState(resVgaMem, pI830->pEnt->index, ResDisableOpr);
+ if (pI830->shadowFB) {
+ if (!xf86LoadSubModule(pScrn, "shadowfb")) {
+ I830BIOSFreeRec(pScrn);
+ vbeFree(pI830->pVbe);
+ return FALSE;
+ }
+ xf86LoaderReqSymLists(I810shadowFBSymbols, NULL);
+ }
+
VBEFreeVBEInfo(pI830->vbeInfo);
pI830->vbeInfo = NULL;
vbeFree(pI830->pVbe);
@@ -4398,6 +4443,8 @@ I830BIOSScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
VisualPtr visual;
I830EntPtr pI830Ent = NULL;
I830Ptr pI8301 = NULL;
+ int width, height, displayWidth;
+ unsigned char *fbbase;
#ifdef XF86DRI
Bool driDisabled;
#endif
@@ -4632,10 +4679,26 @@ I830BIOSScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
return FALSE;
DPRINTF(PFX, "assert( if(!fbScreenInit(pScreen, ...) )\n");
- if (!fbScreenInit(pScreen, pI830->FbBase + pScrn->fbOffset,
- pScrn->virtualX, pScrn->virtualY,
+ if (pI830->rotate) {
+ height = pScrn->virtualX;
+ width = pScrn->virtualY;
+ } else {
+ width = pScrn->virtualX;
+ height = pScrn->virtualY;
+ }
+ if (pI830->shadowFB) {
+ pI830->shadowPitch = BitmapBytePad(pScrn->bitsPerPixel * width);
+ pI830->shadowPtr = xalloc(pI830->shadowPitch * height);
+ displayWidth = pI830->shadowPitch / (pScrn->bitsPerPixel >> 3);
+ fbbase = pI830->shadowPtr;
+ } else {
+ pI830->shadowPtr = NULL;
+ fbbase = pI830->FbBase;
+ displayWidth = pScrn->displayWidth;
+ }
+ if (!fbScreenInit(pScreen, fbbase + pScrn->fbOffset, width, height,
pScrn->xDpi, pScrn->yDpi,
- pScrn->displayWidth, pScrn->bitsPerPixel))
+ displayWidth, pScrn->bitsPerPixel))
return FALSE;
if (pScrn->bitsPerPixel > 8) {
@@ -4657,7 +4720,8 @@ I830BIOSScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
xf86SetBlackWhitePixels(pScreen);
- I830DGAInit(pScreen);
+ if (!pI830->shadowFB)
+ I830DGAInit(pScreen);
DPRINTF(PFX,
"assert( if(!xf86InitFBManager(pScreen, &(pI830->FbMemBox))) )\n");
@@ -4695,6 +4759,31 @@ I830BIOSScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
} else
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Initializing SW Cursor!\n");
+ if (pI830->shadowFB) {
+ RefreshAreaFuncPtr refreshArea = I830RefreshArea;
+ if (pI830->rotate) {
+ if (!pI830->PointerMoved) {
+ pI830->PointerMoved = pScrn->PointerMoved;
+ pScrn->PointerMoved = I830PointerMoved;
+ }
+ switch (pScrn->bitsPerPixel) {
+ case 8:
+ refreshArea = I830RefreshArea8;
+ break;
+ case 16:
+ refreshArea = I830RefreshArea16;
+ break;
+ case 24:
+ refreshArea = I830RefreshArea24;
+ break;
+ case 32:
+ refreshArea = I830RefreshArea32;
+ break;
+ }
+ }
+ ShadowFBInit(pScreen, refreshArea);
+ }
+
DPRINTF(PFX, "assert( if(!miCreateDefColormap(pScreen)) )\n");
if (!miCreateDefColormap(pScreen))
return FALSE;