/* 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;
}
/* Force the context `c' to be the current context and associate with it
* buffer `b'.
*/
GLboolean
r200MakeCurrent( __DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv )
{
if ( driContextPriv ) {
r200ContextPtr newCtx =
(r200ContextPtr) driContextPriv->driverPrivate;
if (R200_DEBUG & DEBUG_DRI)
fprintf(stderr, "%s ctx %p\n", __FUNCTION__, (void *)newCtx->glCtx);
if ( newCtx->dri.drawable != driDrawPriv ) {
driDrawableInitVBlank( driDrawPriv, newCtx->vblank_flags,
&newCtx->vbl_seq );
}
newCtx->dri.readable = driReadPriv;
if ( newCtx->dri.drawable != driDrawPriv ||
newCtx->lastStamp != driDrawPriv->lastStamp ) {
newCtx->dri.drawable = driDrawPriv;
r200SetCliprects(newCtx);
r200UpdateViewportOffset( newCtx->glCtx );
}
_mesa_make_current( newCtx->glCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate );
_mesa_update_state( newCtx->glCtx );
r200ValidateState( newCtx->glCtx );
} else {
if (R200_DEBUG & DEBUG_DRI)
fprintf(stderr, "%s ctx is null\n", __FUNCTION__);
_mesa_make_current( NULL, NULL, NULL );
}
if (R200_DEBUG & DEBUG_DRI)
fprintf(stderr, "End %s\n", __FUNCTION__);
return GL_TRUE;
}
