| /* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_lock.c,v 1.4 2002/11/05 17:46:07 tsi Exp $ */ |
| |
| #include "gamma_context.h" |
| #include "gamma_lock.h" |
| #include "drirenderbuffer.h" |
| |
| #ifdef DEBUG_LOCKING |
| char *prevLockFile = NULL; |
| int prevLockLine = 0; |
| #endif |
| |
| |
| /* 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 gammaGetLock( gammaContextPtr gmesa, GLuint flags ) |
| { |
| __DRIdrawablePrivate *dPriv = gmesa->driDrawable; |
| __DRIscreenPrivate *sPriv = gmesa->driScreen; |
| |
| drmGetLock( gmesa->driFd, gmesa->hHWContext, 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 ( gmesa->lastStamp != dPriv->lastStamp ) { |
| driUpdateFramebufferSize(gmesa->glCtx, dPriv); |
| gmesa->lastStamp = dPriv->lastStamp; |
| gmesa->new_state |= GAMMA_NEW_WINDOW | GAMMA_NEW_CLIP; |
| } |
| |
| gmesa->numClipRects = dPriv->numClipRects; |
| gmesa->pClipRects = dPriv->pClipRects; |
| |
| #if 0 |
| gmesa->dirty = ~0; |
| |
| if ( sarea->ctxOwner != gmesa->hHWContext ) { |
| sarea->ctxOwner = gmesa->hHWContext; |
| gmesa->dirty = GAMMA_UPLOAD_ALL; |
| } |
| |
| for ( i = 0 ; i < gmesa->lastTexHeap ; i++ ) { |
| if ( sarea->texAge[i] != gmesa->lastTexAge[i] ) { |
| gammaAgeTextures( gmesa, i ); |
| } |
| } |
| #endif |
| } |
