| /* |
| 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 <keith@tungstengraphics.com> |
| */ |
| |
| #include "r200_context.h" |
| #include "r200_lock.h" |
| #include "r200_tex.h" |
| #include "r200_state.h" |
| #include "r200_ioctl.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: |
| */ |
| static void |
| r200UpdatePageFlipping( r200ContextPtr rmesa ) |
| { |
| rmesa->doPageFlip = rmesa->sarea->pfState; |
| if (rmesa->glCtx->WinSysDrawBuffer) { |
| driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer, |
| rmesa->sarea->pfCurrentPage); |
| } |
| } |
| |
| |
| |
| /* 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 *drawable = rmesa->dri.drawable; |
| __DRIdrawablePrivate *readable = rmesa->dri.readable; |
| __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, drawable ); |
| if (drawable != readable) { |
| DRI_VALIDATE_DRAWABLE_INFO( sPriv, readable ); |
| } |
| |
| if ( rmesa->lastStamp != drawable->lastStamp ) { |
| r200UpdatePageFlipping( rmesa ); |
| r200SetCliprects( rmesa ); |
| r200UpdateViewportOffset( rmesa->glCtx ); |
| driUpdateFramebufferSize(rmesa->glCtx, drawable); |
| } |
| |
| 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; |
| } |