diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_lock.c')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/r300/radeon_lock.c | 138 |
1 files changed, 1 insertions, 137 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_lock.c b/src/mesa/drivers/dri/r300/radeon_lock.c index 4f47afd5dc..af4108a8e3 100644..120000 --- a/src/mesa/drivers/dri/r300/radeon_lock.c +++ b/src/mesa/drivers/dri/r300/radeon_lock.c @@ -1,137 +1 @@ -/************************************************************************** - -Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and - VA Linux Systems Inc., Fremont, California. -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. - -All Rights Reserved. - -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: - * Gareth Hughes <gareth@valinux.com> - * Keith Whitwell <keith@tungstengraphics.com> - * Kevin E. Martin <martin@valinux.com> - */ - -#include "radeon_lock.h" -#include "radeon_ioctl.h" -#include "radeon_state.h" -#include "r300_context.h" -#include "r300_state.h" - -#include "main/framebuffer.h" - -#include "drirenderbuffer.h" - -#if DEBUG_LOCKING -char *prevLockFile = NULL; -int prevLockLine = 0; -#endif - -/* Turn on/off page flipping according to the flags in the sarea: - */ -void radeonUpdatePageFlipping(radeonContextPtr rmesa) -{ - int use_back; - - rmesa->doPageFlip = rmesa->sarea->pfState; - if (rmesa->glCtx->WinSysDrawBuffer) { - driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer, - rmesa->sarea->pfCurrentPage); - r300UpdateDrawBuffer(rmesa->glCtx); - } - - use_back = rmesa->glCtx->DrawBuffer ? - (rmesa->glCtx->DrawBuffer->_ColorDrawBufferIndexes[0] == - BUFFER_BACK_LEFT) : 1; - use_back ^= (rmesa->sarea->pfCurrentPage == 1); - - if (use_back) { - rmesa->state.color.drawOffset = - rmesa->radeonScreen->backOffset; - rmesa->state.color.drawPitch = rmesa->radeonScreen->backPitch; - } else { - rmesa->state.color.drawOffset = - rmesa->radeonScreen->frontOffset; - rmesa->state.color.drawPitch = - rmesa->radeonScreen->frontPitch; - } -} - -/* 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 radeonGetLock(radeonContextPtr rmesa, GLuint flags) -{ - __DRIdrawablePrivate *const drawable = rmesa->dri.drawable; - __DRIdrawablePrivate *const readable = rmesa->dri.readable; - __DRIscreenPrivate *sPriv = rmesa->dri.screen; - drm_radeon_sarea_t *sarea = rmesa->sarea; - r300ContextPtr r300 = (r300ContextPtr) rmesa; - - assert(drawable != NULL); - - 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, drawable); - if (drawable != readable) { - DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable); - } - - if (rmesa->lastStamp != drawable->lastStamp) { - radeonUpdatePageFlipping(rmesa); - radeonSetCliprects(rmesa); - r300UpdateViewportOffset(rmesa->glCtx); - driUpdateFramebufferSize(rmesa->glCtx, drawable); - } - - if (sarea->ctx_owner != rmesa->dri.hwContext) { - int i; - - sarea->ctx_owner = rmesa->dri.hwContext; - for (i = 0; i < r300->nr_heaps; i++) { - DRI_AGE_TEXTURES(r300->texture_heaps[i]); - } - } - - rmesa->lost_context = GL_TRUE; -} +../radeon/radeon_lock.c
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