From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../Mesa/src/mesa/drivers/dri/r200/r200_lock.c | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_lock.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_lock.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_lock.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_lock.c new file mode 100644 index 000000000..9b82c18d1 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_lock.c @@ -0,0 +1,127 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_lock.c,v 1.1 2002/10/30 12:51:52 alanh Exp $ */ +/* +Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + +The Weather Channel (TM) funded Tungsten Graphics to develop the +initial release of the Radeon 8500 driver under the XFree86 license. +This notice must be preserved. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* + * Authors: + * Keith Whitwell + */ +#include + +#include "r200_context.h" +#include "r200_lock.h" +#include "r200_tex.h" +#include "r200_state.h" +#include "r200_ioctl.h" + +#if DEBUG_LOCKING +char *prevLockFile = NULL; +int prevLockLine = 0; +#endif + +/* Turn on/off page flipping according to the flags in the sarea: + */ +static void +r200UpdatePageFlipping( r200ContextPtr rmesa ) +{ + int use_back; + rmesa->doPageFlip = rmesa->sarea->pfState; + + use_back = (rmesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT); + use_back ^= (rmesa->sarea->pfCurrentPage == 1); + + if (use_back) { + rmesa->state.color.drawOffset = rmesa->r200Screen->backOffset; + rmesa->state.color.drawPitch = rmesa->r200Screen->backPitch; + } else { + rmesa->state.color.drawOffset = rmesa->r200Screen->frontOffset; + rmesa->state.color.drawPitch = rmesa->r200Screen->frontPitch; + } + + R200_STATECHANGE( rmesa, ctx ); + rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] = rmesa->state.color.drawOffset + + rmesa->r200Screen->fbLocation; + rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = rmesa->state.color.drawPitch; +} + + + +/* Update the hardware state. This is called if another context has + * grabbed the hardware lock, which includes the X server. This + * function also updates the driver's window state after the X server + * moves, resizes or restacks a window -- the change will be reflected + * in the drawable position and clip rects. Since the X server grabs + * the hardware lock when it changes the window state, this routine will + * automatically be called after such a change. + */ +void r200GetLock( r200ContextPtr rmesa, GLuint flags ) +{ + __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; + __DRIscreenPrivate *sPriv = rmesa->dri.screen; + drm_radeon_sarea_t *sarea = rmesa->sarea; + int i; + + drmGetLock( rmesa->dri.fd, rmesa->dri.hwContext, flags ); + + /* The window might have moved, so we might need to get new clip + * rects. + * + * NOTE: This releases and regrabs the hw lock to allow the X server + * to respond to the DRI protocol request for new drawable info. + * Since the hardware state depends on having the latest drawable + * clip rects, all state checking must be done _after_ this call. + */ + DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv ); + + if ( rmesa->lastStamp != dPriv->lastStamp ) { + r200UpdatePageFlipping( rmesa ); + if (rmesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT) + r200SetCliprects( rmesa, GL_BACK_LEFT ); + else + r200SetCliprects( rmesa, GL_FRONT_LEFT ); + r200UpdateViewportOffset( rmesa->glCtx ); + rmesa->lastStamp = dPriv->lastStamp; + } + + R200_STATECHANGE( rmesa, ctx ); + if (rmesa->sarea->tiling_enabled) { + rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE; + } + else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~R200_COLOR_TILE_ENABLE; + + if ( sarea->ctx_owner != rmesa->dri.hwContext ) { + sarea->ctx_owner = rmesa->dri.hwContext; + } + + for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) { + DRI_AGE_TEXTURES( rmesa->texture_heaps[ i ] ); + } + + rmesa->lost_context = GL_TRUE; +} -- cgit v1.2.3