xenocara/driver/xf86-video-ati/src/atiscreen.c
2006-11-26 20:00:15 +00:00

758 lines
21 KiB
C

/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c,v 1.30 2003/04/23 21:51:30 tsi Exp $ */
/*
* Copyright 1999 through 2004 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 <gareth@valinux.com>
* José Fonseca <j_r_fonseca@yahoo.co.uk>
* Leif Delgass <ldelgass@retinalburn.net>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#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"
#ifdef XF86DRI_DEVEL
#include "mach64_dri.h"
#include "mach64_sarea.h"
#endif
#ifdef TV_OUT
#include "atichip.h"
#endif /* TV_OUT */
#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;
}
#ifdef USE_XAA
static Bool
ATIMach64SetupMemXAA_NoDRI
(
int iScreen,
ScreenPtr pScreen
)
{
ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
ATIPtr pATI = ATIPTR(pScreenInfo);
int maxScanlines = ATIMach64MaxY;
int maxPixelArea, PixelArea;
#ifndef AVOID_CPIO
if (!pATI->BankInfo.BankSize)
#endif /* AVOID_CPIO */
{
/*
* Note: If PixelArea exceeds the engine's maximum, the excess is
* never used, even though it would be useful for such things
* as XVideo buffers.
*/
maxPixelArea = maxScanlines * pScreenInfo->displayWidth;
PixelArea = pScreenInfo->videoRam * 1024 * 8 / pATI->bitsPerPixel;
if (PixelArea > maxPixelArea)
PixelArea = maxPixelArea;
xf86InitFBManagerArea(pScreen, PixelArea, 2);
}
return TRUE;
}
#ifdef XF86DRI_DEVEL
/*
* Memory layour for XAA with DRI (no local_textures):
* | front | pixmaps, xv | back | depth | textures | c |
*
* 1024x768@16bpp with 8 MB:
* | 1.5 MB | ~3.5 MB | 1.5 MB | 1.5 MB | 0 | c |
*
* 1024x768@32bpp with 8 MB:
* | 3.0 MB | ~0.5 MB | 3.0 MB | 1.5 MB | 0 | c |
*
* "c" is the hw cursor which occupies 1KB
*/
static Bool
ATIMach64SetupMemXAA
(
int iScreen,
ScreenPtr pScreen
)
{
ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
ATIPtr pATI = ATIPTR(pScreenInfo);
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 {
BoxRec ScreenArea;
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);
}
}
return TRUE;
}
#endif /* XF86DRI_DEVEL */
#endif /* USE_XAA */
/*
* ATIScreenInit --
*
* This function is called by DIX to initialise the screen.
*/
_X_EXPORT Bool
ATIScreenInit
(
int iScreen,
ScreenPtr pScreen,
int argc,
char **argv
)
{
ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
ATIPtr pATI = ATIPTR(pScreenInfo);
pointer pFB;
int VisualMask;
/* 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_DEVEL
/* Setup DRI after visuals have been established, but before
* fbScreenInit is called. fbScreenInit 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_DEVEL */
/* 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 */
#ifdef USE_XAA
if (!pATI->useEXA) {
/* Memory manager setup */
#ifdef XF86DRI_DEVEL
if (pATI->directRenderingEnabled)
{
if (!ATIMach64SetupMemXAA(iScreen, pScreen))
return FALSE;
}
else
#endif /* XF86DRI_DEVEL */
{
if (!ATIMach64SetupMemXAA_NoDRI(iScreen, pScreen))
return FALSE;
}
/* Setup acceleration */
if (!ATIInitializeAcceleration(pScreen, pScreenInfo, pATI))
return FALSE;
}
#endif /* USE_XAA */
#ifdef USE_EXA
if (pATI->useEXA) {
/* EXA setups both memory manager and acceleration here */
if (pATI->OptionAccel && !ATIMach64ExaInit(pScreen))
return FALSE;
}
#endif /* USE_EXA */
#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 TV_OUT
/* Fix-up TV out after ImpacTV probe */
if (pATI->OptionTvOut && pATI->Chip < ATI_CHIP_264GTPRO)
ATISwitchMode(0, pScreenInfo->currentMode, 0);
#endif /* TV_OUT */
#ifdef XF86DRI_DEVEL
/* DRI finalization */
if (pATI->directRenderingEnabled) {
/* Now that mi, fb, 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_DEVEL */
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_DEVEL
/* Disable direct rendering */
if (pATI->directRenderingEnabled)
{
ATIDRICloseScreen(pScreen);
pATI->directRenderingEnabled = FALSE;
}
#endif /* XF86DRI_DEVEL */
ATICloseXVideo(pScreen, pScreenInfo, pATI);
#ifdef USE_EXA
if (pATI->pExa)
{
exaDriverFini(pScreen);
xfree(pATI->pExa);
pATI->pExa = NULL;
}
#endif
#ifdef USE_XAA
if (pATI->pXAAInfo)
{
XAADestroyInfoRec(pATI->pXAAInfo);
pATI->pXAAInfo = NULL;
}
#endif
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);
#ifdef USE_XAA
if (!pATI->useEXA)
{
xfree(pATI->ExpansionBitmapScanlinePtr[1]);
pATI->ExpansionBitmapScanlinePtr[0] = NULL;
pATI->ExpansionBitmapScanlinePtr[1] = NULL;
}
#endif
xfree(pATI->pShadow);
pATI->pShadow = NULL;
pScreenInfo->pScreen = NULL;
return Closed;
}