diff options
Diffstat (limited to 'src/nv_driver.c')
| -rw-r--r-- | src/nv_driver.c | 123 |
1 files changed, 112 insertions, 11 deletions
diff --git a/src/nv_driver.c b/src/nv_driver.c index b82c049..8e19c01 100644 --- a/src/nv_driver.c +++ b/src/nv_driver.c @@ -1,4 +1,4 @@ -/* $XdotOrg: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_driver.c,v 1.13 2005/06/29 15:56:23 alanc Exp $ */ +/* $XdotOrg: driver/xf86-video-nv/src/nv_driver.c,v 1.18 2005/09/29 21:47:29 aplattner Exp $ */ /* $XConsortium: nv_driver.c /main/3 1996/10/28 05:13:37 kaleb $ */ /* * Copyright 1996-1997 David J. McKay @@ -58,6 +58,10 @@ static Bool NVSaveScreen(ScreenPtr pScreen, int mode); static void NVFreeScreen(int scrnIndex, int flags); static ModeStatus NVValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags); +#ifdef RANDR +static Bool NVDriverFunc(ScrnInfoPtr pScrnInfo, xorgDriverFuncOp op, + pointer data); +#endif /* Internally used functions */ @@ -1236,6 +1240,7 @@ NVPreInit(ScrnInfoPtr pScrn, int flags) pScrn->ValidMode = fbdevHWValidModeWeak(); } pNv->Rotate = 0; + pNv->RandRRotation = FALSE; if ((s = xf86GetOptValString(pNv->Options, OPTION_ROTATE))) { if(!xf86NameCmp(s, "CW")) { pNv->ShadowFB = TRUE; @@ -1252,13 +1257,29 @@ NVPreInit(ScrnInfoPtr pScrn, int flags) pNv->Rotate = -1; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen counter clockwise - acceleration disabled\n"); + } else + if(!xf86NameCmp(s, "RandR")) { +#ifdef RANDR + pNv->ShadowFB = TRUE; + pNv->NoAccel = TRUE; + pNv->HWCursor = FALSE; + pNv->RandRRotation = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Using RandR rotation - acceleration disabled\n"); +#else + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "This driver was not compiled with support for the Resize and " + "Rotate extension. Cannot honor 'Option \"Rotate\" " + "\"RandR\"'.\n"); +#endif } 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"); + "Valid options are \"CW\", \"CCW\", and \"RandR\"\n"); } } + if(xf86GetOptValInteger(pNv->Options, OPTION_VIDEO_KEY, &(pNv->videoKey))) { xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "video key set to 0x%x\n", pNv->videoKey); @@ -1840,7 +1861,7 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) int ret; VisualPtr visual; unsigned char *FBStart; - int width, height, displayWidth, offscreenHeight; + int width, height, displayWidth, offscreenHeight, shadowHeight; BoxRec AvailFBArea; /* @@ -1925,9 +1946,18 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) width = pScrn->virtualY; } + /* If RandR rotation is enabled, leave enough space in the + * framebuffer for us to rotate the screen dimensions without + * changing the pitch. + */ + if(pNv->RandRRotation) + shadowHeight = max(width, height); + else + shadowHeight = height; + if(pNv->ShadowFB) { pNv->ShadowPitch = BitmapBytePad(pScrn->bitsPerPixel * width); - pNv->ShadowPtr = xalloc(pNv->ShadowPitch * height); + pNv->ShadowPtr = xalloc(pNv->ShadowPitch * shadowHeight); displayWidth = pNv->ShadowPitch / (pScrn->bitsPerPixel >> 3); FBStart = pNv->ShadowPtr; } else { @@ -2019,18 +2049,21 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) if(pNv->ShadowFB) { RefreshAreaFuncPtr refreshArea = NVRefreshArea; - if(pNv->Rotate) { - pNv->PointerMoved = pScrn->PointerMoved; - pScrn->PointerMoved = NVPointerMoved; + if(pNv->Rotate || pNv->RandRRotation) { + pNv->PointerMoved = pScrn->PointerMoved; + if(pNv->Rotate) + pScrn->PointerMoved = NVPointerMoved; switch(pScrn->bitsPerPixel) { case 8: refreshArea = NVRefreshArea8; break; case 16: refreshArea = NVRefreshArea16; break; case 32: refreshArea = NVRefreshArea32; break; } - xf86DisableRandR(); - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "Driver rotation enabled, RandR disabled\n"); + if(!pNv->RandRRotation) { + xf86DisableRandR(); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Driver rotation enabled, RandR disabled\n"); + } } ShadowFBInit(pScreen, refreshArea); @@ -2044,7 +2077,7 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) pScrn->memPhysBase = pNv->FbAddress; pScrn->fbOffset = 0; - if(pNv->Rotate == 0) + if(pNv->Rotate == 0 && !pNv->RandRRotation) NVInitVideo(pScreen); pScreen->SaveScreen = NVSaveScreen; @@ -2056,6 +2089,13 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) pNv->BlockHandler = pScreen->BlockHandler; pScreen->BlockHandler = NVBlockHandler; +#ifdef RANDR + /* Install our DriverFunc. We have to do it this way instead of using the + * HaveDriverFuncs argument to xf86AddDriver, because InitOutput clobbers + * pScrn->DriverFunc */ + pScrn->DriverFunc = NVDriverFunc; +#endif + /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) { xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); @@ -2087,3 +2127,64 @@ NVSave(ScrnInfoPtr pScrn) NVDACSave(pScrn, vgaReg, nvReg, pNv->Primary); } +#ifdef RANDR +static Bool +NVRandRGetInfo(ScrnInfoPtr pScrn, Rotation *rotations) +{ + NVPtr pNv = NVPTR(pScrn); + + if(pNv->RandRRotation) + *rotations = RR_Rotate_0 | RR_Rotate_90 | RR_Rotate_270; + else + *rotations = RR_Rotate_0; + + return TRUE; +} + +static Bool +NVRandRSetConfig(ScrnInfoPtr pScrn, xorgRRConfig *config) +{ + NVPtr pNv = NVPTR(pScrn); + + switch(config->rotation) { + case RR_Rotate_0: + pNv->Rotate = 0; + pScrn->PointerMoved = pNv->PointerMoved; + break; + + case RR_Rotate_90: + pNv->Rotate = -1; + pScrn->PointerMoved = NVPointerMoved; + break; + + case RR_Rotate_270: + pNv->Rotate = 1; + pScrn->PointerMoved = NVPointerMoved; + break; + + default: + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Unexpected rotation in NVRandRSetConfig!\n"); + pNv->Rotate = 0; + pScrn->PointerMoved = pNv->PointerMoved; + return FALSE; + } + + return TRUE; +} + +static Bool +NVDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer data) +{ + switch(op) { + case RR_GET_INFO: + return NVRandRGetInfo(pScrn, (Rotation*)data); + case RR_SET_CONFIG: + return NVRandRSetConfig(pScrn, (xorgRRConfig*)data); + default: + return FALSE; + } + + return FALSE; +} +#endif |