/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c,v 1.30 2003/04/23 21:51:30 tsi Exp $ */ /* * Copyright 1999 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of Marc Aurele La France not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. Marc Aurele La France makes no representations * about the suitability of this software for any purpose. It is provided * "as-is" without express or implied warranty. * * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * * DRI support by: * Gareth Hughes * José Fonseca * Leif Delgass */ #include "ati.h" #include "atibus.h" #include "atichip.h" #include "atiaccel.h" #include "aticonsole.h" #include "aticursor.h" #include "atidac.h" #include "atidga.h" #include "atidri.h" #include "atimach64.h" #include "atimode.h" #include "atiscreen.h" #include "atistruct.h" #include "atixv.h" #include "atimach64accel.h" #include "mach64_dri.h" #include "mach64_sarea.h" #include "shadowfb.h" #include "xf86cmap.h" #include "xf1bpp.h" #include "xf4bpp.h" #include "fb.h" #include "mibank.h" #include "micmap.h" #include "mipointer.h" /* * ATIRefreshArea -- * * This function is called by the shadow frame buffer code to refresh the * hardware frame buffer. */ static void ATIRefreshArea ( ScrnInfoPtr pScreenInfo, int nBox, BoxPtr pBox ) { ATIPtr pATI = ATIPTR(pScreenInfo); pointer pSrc, pDst; int offset, w, h; while (nBox-- > 0) { w = (pBox->x2 - pBox->x1) * pATI->AdjustDepth; h = pBox->y2 - pBox->y1; offset = (pBox->y1 * pATI->FBPitch) + (pBox->x1 * pATI->AdjustDepth); pSrc = (char *)pATI->pShadow + offset; pDst = (char *)pATI->pMemory + offset; while (h-- > 0) { (void)memcpy(pDst, pSrc, w); pSrc = (char *)pSrc + pATI->FBPitch; pDst = (char *)pDst + pATI->FBPitch; } pBox++; } } /* * ATIMinBits -- * * Compute log base 2 of val. */ static int ATIMinBits ( int val ) { int bits; if (!val) return 1; for (bits = 0; val; val >>= 1, ++bits); return bits; } /* * ATIScreenInit -- * * This function is called by DIX to initialise the screen. */ Bool ATIScreenInit ( int iScreen, ScreenPtr pScreen, int argc, char **argv ) { ScrnInfoPtr pScreenInfo = xf86Screens[iScreen]; ATIPtr pATI = ATIPTR(pScreenInfo); pointer pFB; int VisualMask; BoxRec ScreenArea; /* Set video hardware state */ if (!ATIEnterGraphics(pScreen, pScreenInfo, pATI)) return FALSE; /* Re-initialise mi's visual list */ miClearVisualTypes(); if ((pATI->depth > 8) && (pATI->DAC == ATI_DAC_INTERNAL)) VisualMask = TrueColorMask; else VisualMask = miGetDefaultVisualMask(pATI->depth); if (!miSetVisualTypes(pATI->depth, VisualMask, pATI->rgbBits, pScreenInfo->defaultVisual)) return FALSE; if (!miSetPixmapDepths()) return FALSE; pFB = pATI->pMemory; pATI->FBPitch = PixmapBytePad(pATI->displayWidth, pATI->depth); if (pATI->OptionShadowFB) { pATI->FBBytesPerPixel = pATI->bitsPerPixel >> 3; pATI->FBPitch = PixmapBytePad(pATI->displayWidth, pATI->depth); if ((pATI->pShadow = xalloc(pATI->FBPitch * pScreenInfo->virtualY))) { pFB = pATI->pShadow; } else { xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, "Insufficient virtual memory for shadow frame buffer.\n"); pATI->OptionShadowFB = FALSE; } } #ifdef XF86DRI /* Setup DRI after visuals have been established, but before * cfbScreenInit is called. cfbScreenInit will eventually call the * driver's InitGLXVisuals call back. */ /* According to atiregs.h, GTPro (3D Rage Pro) is the first chip type with * 3D triangle setup (the VERTEX_* registers) */ if (pATI->Chip < ATI_CHIP_264GTPRO) { xf86DrvMsg(iScreen, X_WARNING, "Direct rendering is not supported for ATI chips earlier than " "the ATI 3D Rage Pro.\n"); pATI->directRenderingEnabled = FALSE; } else { /* FIXME: When we move to dynamic allocation of back and depth * buffers, we will want to revisit the following check for 3 * times the virtual size (or 2.5 times for 24-bit depth) of the screen below. */ int cpp = pATI->bitsPerPixel >> 3; int maxY = pScreenInfo->videoRam * 1024 / (pATI->displayWidth * cpp); int requiredY; requiredY = pScreenInfo->virtualY * 2 /* front, back buffers */ + (pScreenInfo->virtualY * 2 / cpp); /* depth buffer (always 16-bit) */ if (!pATI->OptionAccel) { xf86DrvMsg(iScreen, X_WARNING, "Acceleration disabled, not initializing the DRI\n"); pATI->directRenderingEnabled = FALSE; } else if ( maxY > requiredY ) { pATI->directRenderingEnabled = ATIDRIScreenInit(pScreen); } else { xf86DrvMsg(iScreen, X_WARNING, "DRI static buffer allocation failed -- " "need at least %d kB video memory\n", (pScreenInfo->displayWidth * requiredY * cpp ) / 1024); pATI->directRenderingEnabled = FALSE; } } #endif /* XF86DRI */ /* Initialise framebuffer layer */ switch (pATI->bitsPerPixel) { #ifndef AVOID_CPIO case 1: pATI->Closeable = xf1bppScreenInit(pScreen, pFB, pScreenInfo->virtualX, pScreenInfo->virtualY, pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth); break; case 4: pATI->Closeable = xf4bppScreenInit(pScreen, pFB, pScreenInfo->virtualX, pScreenInfo->virtualY, pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth); break; #endif /* AVOID_CPIO */ case 8: case 16: case 24: case 32: pATI->Closeable = fbScreenInit(pScreen, pFB, pScreenInfo->virtualX, pScreenInfo->virtualY, pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth, pATI->bitsPerPixel); break; default: return FALSE; } if (!pATI->Closeable) return FALSE; /* Fixup RGB ordering */ if (pATI->depth > 8) { VisualPtr pVisual = pScreen->visuals + pScreen->numVisuals; while (--pVisual >= pScreen->visuals) { if ((pVisual->class | DynamicClass) != DirectColor) continue; pVisual->offsetRed = pScreenInfo->offset.red; pVisual->offsetGreen = pScreenInfo->offset.green; pVisual->offsetBlue = pScreenInfo->offset.blue; pVisual->redMask = pScreenInfo->mask.red; pVisual->greenMask = pScreenInfo->mask.green; pVisual->blueMask = pScreenInfo->mask.blue; } } /* If applicable, initialise RENDER extension */ if (pATI->bitsPerPixel > 4) { if (pATI->OptionShadowFB) { if (serverGeneration == 1) xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, "RENDER extension not supported with a shadowed" " framebuffer.\n"); } #ifndef AVOID_CPIO else if (pATI->BankInfo.BankSize) { if (serverGeneration == 1) xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, "RENDER extension not supported with a banked" " framebuffer.\n"); } #endif /* AVOID_CPIO */ else if (!fbPictureInit(pScreen, NULL, 0) && (serverGeneration == 1)) { xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, "RENDER extension initialisation failed.\n"); } } xf86SetBlackWhitePixels(pScreen); #ifndef AVOID_CPIO /* Initialise banking if needed */ if (!miInitializeBanking(pScreen, pScreenInfo->virtualX, pScreenInfo->virtualY, pATI->displayWidth, &pATI->BankInfo)) return FALSE; #endif /* AVOID_CPIO */ /* Memory manager setup */ #ifdef XF86DRI if (pATI->directRenderingEnabled) { ATIDRIServerInfoPtr pATIDRIServer = pATI->pDRIServerInfo; int cpp = pATI->bitsPerPixel >> 3; int widthBytes = pScreenInfo->displayWidth * cpp; int zWidthBytes = pScreenInfo->displayWidth * 2; /* always 16-bit z-buffer */ int fbSize = pScreenInfo->videoRam * 1024; int bufferSize = pScreenInfo->virtualY * widthBytes; int zBufferSize = pScreenInfo->virtualY * zWidthBytes; int offscreenBytes, total, scanlines; pATIDRIServer->fbX = 0; pATIDRIServer->fbY = 0; pATIDRIServer->frontOffset = 0; pATIDRIServer->frontPitch = pScreenInfo->displayWidth; /* Calculate memory remaining for pixcache and textures after * front, back, and depth buffers */ offscreenBytes = fbSize - ( 2 * bufferSize + zBufferSize ); if ( !pATIDRIServer->IsPCI && !pATI->OptionLocalTextures ) { /* Don't allocate a local texture heap for AGP unless requested */ pATIDRIServer->textureSize = 0; } else { int l, maxPixcache; # ifdef XvExtension int xvBytes; /* Try for enough pixmap cache for DVD and a full viewport */ xvBytes = 720*480*cpp; /* enough for single-buffered DVD */ maxPixcache = xvBytes > bufferSize ? xvBytes : bufferSize; # else /* XvExtension */ /* Try for one viewport */ maxPixcache = bufferSize; # endif /* XvExtension */ pATIDRIServer->textureSize = offscreenBytes - maxPixcache; /* If that gives us less than half the offscreen mem available for textures, split * the available mem between textures and pixmap cache */ if (pATIDRIServer->textureSize < (offscreenBytes/2)) { pATIDRIServer->textureSize = offscreenBytes/2; } if (pATIDRIServer->textureSize <= 0) pATIDRIServer->textureSize = 0; l = ATIMinBits((pATIDRIServer->textureSize-1) / MACH64_NR_TEX_REGIONS); if (l < MACH64_LOG_TEX_GRANULARITY) l = MACH64_LOG_TEX_GRANULARITY; /* Round the texture size up to the nearest whole number of * texture regions. Again, be greedy about this, don't round * down. */ pATIDRIServer->logTextureGranularity = l; pATIDRIServer->textureSize = (pATIDRIServer->textureSize >> l) << l; } total = fbSize - pATIDRIServer->textureSize; scanlines = total / widthBytes; if (scanlines > ATIMach64MaxY) scanlines = ATIMach64MaxY; /* Recalculate the texture offset and size to accomodate any * rounding to a whole number of scanlines. * FIXME: Is this actually needed? */ pATIDRIServer->textureOffset = scanlines * widthBytes; pATIDRIServer->textureSize = fbSize - pATIDRIServer->textureOffset; /* Set a minimum usable local texture heap size. This will fit * two 256x256 textures. We check this after any rounding of * the texture area. */ if (pATIDRIServer->textureSize < 256*256 * cpp * 2) { pATIDRIServer->textureOffset = 0; pATIDRIServer->textureSize = 0; scanlines = fbSize / widthBytes; if (scanlines > ATIMach64MaxY) scanlines = ATIMach64MaxY; } pATIDRIServer->depthOffset = scanlines * widthBytes - zBufferSize; pATIDRIServer->depthPitch = pScreenInfo->displayWidth; pATIDRIServer->depthY = pATIDRIServer->depthOffset/widthBytes; pATIDRIServer->depthX = (pATIDRIServer->depthOffset - (pATIDRIServer->depthY * widthBytes)) / cpp; pATIDRIServer->backOffset = pATIDRIServer->depthOffset - bufferSize; pATIDRIServer->backPitch = pScreenInfo->displayWidth; pATIDRIServer->backY = pATIDRIServer->backOffset/widthBytes; pATIDRIServer->backX = (pATIDRIServer->backOffset - (pATIDRIServer->backY * widthBytes)) / cpp; scanlines = fbSize / widthBytes; if (scanlines > ATIMach64MaxY) scanlines = ATIMach64MaxY; if ( pATIDRIServer->IsPCI && pATIDRIServer->textureSize == 0 ) { xf86DrvMsg(iScreen, X_WARNING, "Not enough memory for local textures, disabling DRI\n"); ATIDRICloseScreen(pScreen); pATI->directRenderingEnabled = FALSE; } else { ScreenArea.x1 = 0; ScreenArea.y1 = 0; ScreenArea.x2 = pATI->displayWidth; ScreenArea.y2 = scanlines; if (!xf86InitFBManager(pScreen, &ScreenArea)) { xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, "Memory manager initialization to (%d,%d) (%d,%d) failed\n", ScreenArea.x1, ScreenArea.y1, ScreenArea.x2, ScreenArea.y2); return FALSE; } else { int width, height; xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, "Memory manager initialized to (%d,%d) (%d,%d)\n", ScreenArea.x1, ScreenArea.y1, ScreenArea.x2, ScreenArea.y2); if (xf86QueryLargestOffscreenArea(pScreen, &width, &height, 0, 0, 0)) { xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, "Largest offscreen area available: %d x %d\n", width, height); /* lines in offscreen area needed for depth buffer and textures */ pATI->depthTexLines = scanlines - pATIDRIServer->depthOffset / widthBytes; pATI->backLines = scanlines - pATIDRIServer->backOffset / widthBytes - pATI->depthTexLines; pATI->depthTexArea = NULL; pATI->backArea = NULL; } else { xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, "Unable to determine largest offscreen area available\n"); return FALSE; } } xf86DrvMsg(iScreen, X_INFO, "Will use %d kB of offscreen memory for XAA\n", (offscreenBytes - pATIDRIServer->textureSize)/1024); xf86DrvMsg(iScreen, X_INFO, "Will use back buffer at offset 0x%x\n", pATIDRIServer->backOffset); xf86DrvMsg(iScreen, X_INFO, "Will use depth buffer at offset 0x%x\n", pATIDRIServer->depthOffset); if (pATIDRIServer->textureSize > 0) { xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, "Will use %d kB for local textures at offset 0x%x\n", pATIDRIServer->textureSize/1024, pATIDRIServer->textureOffset); } } } #endif /* XF86DRI */ /* Setup acceleration */ /* If direct rendering is not enabled, the framebuffer memory * manager is initialized by this function call */ if (!ATIInitializeAcceleration(pScreen, pScreenInfo, pATI)) return FALSE; #ifndef AVOID_DGA /* Initialise DGA support */ (void)ATIDGAInit(pScreen, pScreenInfo, pATI); #endif /* AVOID_DGA */ /* Initialise backing store */ miInitializeBackingStore(pScreen); xf86SetBackingStore(pScreen); /* Initialise cursor */ if (!ATIInitializeCursor(pScreen, pATI)) return FALSE; /* Create default colourmap */ if (!miCreateDefColormap(pScreen)) return FALSE; #ifdef AVOID_CPIO if (!xf86HandleColormaps(pScreen, 256, pATI->rgbBits, ATILoadPalette, NULL, CMAP_PALETTED_TRUECOLOR | CMAP_LOAD_EVEN_IF_OFFSCREEN)) return FALSE; #else /* AVOID_CPIO */ if (pATI->depth > 1) if (!xf86HandleColormaps(pScreen, (pATI->depth == 4) ? 16 : 256, pATI->rgbBits, ATILoadPalette, NULL, CMAP_PALETTED_TRUECOLOR | CMAP_LOAD_EVEN_IF_OFFSCREEN)) return FALSE; #endif /* AVOID_CPIO */ /* Initialise shadow framebuffer */ if (pATI->OptionShadowFB && !ShadowFBInit(pScreen, ATIRefreshArea)) return FALSE; /* Initialise DPMS support */ (void)xf86DPMSInit(pScreen, ATISetDPMSMode, 0); /* Initialise XVideo support */ (void)ATIInitializeXVideo(pScreen, pScreenInfo, pATI); /* Set pScreen->SaveScreen and wrap CloseScreen vector */ pScreen->SaveScreen = ATISaveScreen; pATI->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = ATICloseScreen; if (serverGeneration == 1) xf86ShowUnusedOptions(pScreenInfo->scrnIndex, pScreenInfo->options); #ifdef XF86DRI /* DRI finalization */ if (pATI->directRenderingEnabled) { /* Now that mi, cfb, drm and others have done their thing, * complete the DRI setup. */ pATI->directRenderingEnabled = ATIDRIFinishScreenInit(pScreen); } if (pATI->directRenderingEnabled) { xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, "Direct rendering enabled\n"); } else { /* FIXME: Release unused offscreen mem here? */ xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, "Direct rendering disabled\n"); } #endif /* XF86DRI */ return TRUE; } /* * ATICloseScreen -- * * This function is called by DIX to close the screen. */ Bool ATICloseScreen ( int iScreen, ScreenPtr pScreen ) { ScrnInfoPtr pScreenInfo = xf86Screens[iScreen]; ATIPtr pATI = ATIPTR(pScreenInfo); Bool Closed = TRUE; #ifdef XF86DRI /* Disable direct rendering */ if (pATI->directRenderingEnabled) { ATIDRICloseScreen(pScreen); pATI->directRenderingEnabled = FALSE; } #endif /* XF86DRI */ ATICloseXVideo(pScreen, pScreenInfo, pATI); if (pATI->pXAAInfo) { XAADestroyInfoRec(pATI->pXAAInfo); pATI->pXAAInfo = NULL; } if ((pScreen->CloseScreen = pATI->CloseScreen)) { pATI->CloseScreen = NULL; Closed = (*pScreen->CloseScreen)(iScreen, pScreen); } pATI->Closeable = FALSE; if (pATI->pCursorInfo) { xf86DestroyCursorInfoRec(pATI->pCursorInfo); pATI->pCursorInfo = NULL; } ATILeaveGraphics(pScreenInfo, pATI); xfree(pATI->ExpansionBitmapScanlinePtr[1]); pATI->ExpansionBitmapScanlinePtr[0] = pATI->ExpansionBitmapScanlinePtr[1] = NULL; xfree(pATI->pShadow); pATI->pShadow = NULL; pScreenInfo->pScreen = NULL; return Closed; }