diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | man/radeon.man | 14 | ||||
| -rw-r--r-- | src/radeon_driver.c | 44 |
3 files changed, 47 insertions, 17 deletions
@@ -1,3 +1,9 @@ +2006-03-10 Roland Scheidegger <rscheidegger_lists@hispeed.ch> + * man/radeon.man: + * src/radeon_driver.c: (RADEONSetupMemXAA_DRI), (RADEONScreenInit): + Use "FBTexPercent" option for XAA too (only for increasing + memory reserved for textures). + 2006-03-10 Benjamin Herrenschmidt <benh@kernel.crashing.org> * src/radeon.h: diff --git a/man/radeon.man b/man/radeon.man index 582cf9e8..27908e91 100644 --- a/man/radeon.man +++ b/man/radeon.man @@ -513,12 +513,14 @@ possibly unstable. The default is .B XAA. .TP .BI "Option \*qFBTexPercent\*q \*q" integer \*q -Amount of video RAM to reserve for OpenGL textures, in percent. This option only -has an effect with EXA. The remainder of video RAM is reserved for EXA offscrren -management. Specifying 0 results in all offscreen video RAM being reserved for -EXA and only GART memory being available for OpenGL textures. This may improve -EXA performance, but beware that it may cause problems with OpenGL drivers from -Mesa versions older than 6.4. +Amount of video RAM to reserve for OpenGL textures, in percent. With EXA, the +remainder of video RAM is reserved for EXA offscreen management. Specifying 0 +results in all offscreen video RAM being reserved for EXA and only GART memory +being available for OpenGL textures. This may improve EXA performance, but +beware that it may cause problems with OpenGL drivers from Mesa versions older +than 6.4. With XAA, specifiying lower percentage than what gets reserved without +this option has no effect, but the driver tries to increase the video RAM +reserved for textures to the amount specified roughly. Default: .B 50. .TP diff --git a/src/radeon_driver.c b/src/radeon_driver.c index deb00b73..fd281558 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -1,5 +1,5 @@ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c,v 1.117 2004/02/19 22:38:12 tsi Exp $ */ -/* $XdotOrg: driver/xf86-video-ati/src/radeon_driver.c,v 1.94 2006/03/09 15:41:16 daenzer Exp $ */ +/* $XdotOrg: driver/xf86-video-ati/src/radeon_driver.c,v 1.95 2006/03/09 23:26:27 benh Exp $ */ /* * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and * VA Linux Systems Inc., Fremont, California. @@ -156,10 +156,8 @@ typedef enum { OPTION_PAGE_FLIP, OPTION_NO_BACKBUFFER, OPTION_XV_DMA, -#ifdef USE_EXA OPTION_FBTEX_PERCENT, #endif -#endif OPTION_PANEL_OFF, OPTION_DDC_MODE, OPTION_MONITOR_LAYOUT, @@ -221,10 +219,8 @@ static const OptionInfoRec RADEONOptions[] = { { OPTION_PAGE_FLIP, "EnablePageFlip", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_NO_BACKBUFFER, "NoBackBuffer", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_XV_DMA, "DMAForXv", OPTV_BOOLEAN, {0}, FALSE }, -#ifdef USE_EXA { OPTION_FBTEX_PERCENT, "FBTexPercent", OPTV_INTEGER, {0}, FALSE }, #endif -#endif { OPTION_PANEL_OFF, "PanelOff", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_DDC_MODE, "DDCMode", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_MONITOR_LAYOUT, "MonitorLayout", OPTV_ANYSTR, {0}, FALSE }, @@ -5322,6 +5318,7 @@ Bool RADEONSetupMemXAA_DRI(int scrnIndex, ScreenPtr pScreen) int depthSize; int l; int scanlines; + int texsizerequest; BoxRec MemBox; FBAreaPtr fbarea; @@ -5372,18 +5369,31 @@ Bool RADEONSetupMemXAA_DRI(int scrnIndex, ScreenPtr pScreen) /* Try for front, back, depth, and three framebuffers worth of * pixmap cache. Should be enough for a fullscreen background * image plus some leftovers. + * If the FBTexPercent option was used, try to achieve that percentage instead, + * but still have at least one pixmap buffer (get problems with xvideo/render + * otherwise probably), and never reserve more than 3 offscreen buffers as it's + * probably useless for XAA. */ + if (info->textureSize >= 0) { + texsizerequest = ((int)info->FbMapSize - 2 * bufferSize - depthSize + - 2 * width_bytes - 16384 - info->FbSecureSize) + /* first divide, then multiply or we'll get an overflow (been there...) */ + / 100 * info->textureSize; + } + else { + texsizerequest = (int)info->FbMapSize / 2; + } info->textureSize = info->FbMapSize - info->FbSecureSize - 5 * bufferSize - depthSize; - /* If that gives us less than half the available memory, let's + /* If that gives us less than the requested memory, let's * be greedy and grab some more. Sorry, I care more about 3D * performance than playing nicely, and you'll get around a full * framebuffer's worth of pixmap cache anyway. */ - if (info->textureSize < (int)info->FbMapSize / 2) { + if (info->textureSize < texsizerequest) { info->textureSize = info->FbMapSize - 4 * bufferSize - depthSize; } - if (info->textureSize < (int)info->FbMapSize / 2) { + if (info->textureSize < texsizerequest) { info->textureSize = info->FbMapSize - 3 * bufferSize - depthSize; } @@ -5393,7 +5403,7 @@ Bool RADEONSetupMemXAA_DRI(int scrnIndex, ScreenPtr pScreen) */ if (info->textureSize < 0) { info->textureSize = info->FbMapSize - 2 * bufferSize - depthSize - - 2 * width_bytes - 16384 - info->FbSecureSize; + - 2 * width_bytes - 16384 - info->FbSecureSize; } /* Check to see if there is more room available after the 8192nd @@ -5878,8 +5888,20 @@ _X_EXPORT Bool RADEONScreenInit(int scrnIndex, ScreenPtr pScreen, #endif #if defined(XF86DRI) && defined(USE_XAA) - if (!info->useEXA && hasDRI && !RADEONSetupMemXAA_DRI(scrnIndex, pScreen)) - return FALSE; + if (!info->useEXA && hasDRI) { + info->textureSize = -1; + if (xf86GetOptValInteger(info->Options, OPTION_FBTEX_PERCENT, + &(info->textureSize))) { + if (info->textureSize < 0 || info->textureSize > 100) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Illegal texture memory percentage: %dx, using default behaviour\n", + info->textureSize); + info->textureSize = -1; + } + } + if (!RADEONSetupMemXAA_DRI(scrnIndex, pScreen)) + return FALSE; + } #endif #ifdef USE_XAA |