void r200Flush( GLcontext *ctx )
{
r200ContextPtr rmesa = R200_CONTEXT( ctx );
if (R200_DEBUG & DEBUG_IOCTL)
fprintf(stderr, "%s\n", __FUNCTION__);
if (rmesa->dma.flush)
rmesa->dma.flush( rmesa );
r200EmitState( rmesa );
if (rmesa->store.cmd_used)
r200FlushCmdBuf( rmesa, __FUNCTION__ );
}
/* Destroy the Mesa and driver specific context data.
*/
void r200DestroyContext( __DRIcontextPrivate *driContextPriv )
{
GET_CURRENT_CONTEXT(ctx);
r200ContextPtr rmesa = (r200ContextPtr) driContextPriv->driverPrivate;
r200ContextPtr current = ctx ? R200_CONTEXT(ctx) : NULL;
/* check if we're deleting the currently bound context */
if (rmesa == current) {
R200_FIREVERTICES( rmesa );
_mesa_make_current(NULL, NULL, NULL);
}
/* Free r200 context resources */
assert(rmesa); /* should never be null */
if ( rmesa ) {
GLboolean release_texture_heaps;
release_texture_heaps = (rmesa->glCtx->Shared->RefCount == 1);
_swsetup_DestroyContext( rmesa->glCtx );
_tnl_DestroyContext( rmesa->glCtx );
_vbo_DestroyContext( rmesa->glCtx );
_swrast_DestroyContext( rmesa->glCtx );
r200DestroySwtcl( rmesa->glCtx );
r200ReleaseArrays( rmesa->glCtx, ~0 );
if (rmesa->dma.current.buf) {
r200ReleaseDmaRegion( rmesa, &rmesa->dma.current, __FUNCTION__ );
r200FlushCmdBuf( rmesa, __FUNCTION__ );
}
if (rmesa->state.scissor.pClipRects) {
FREE(rmesa->state.scissor.pClipRects);
rmesa->state.scissor.pClipRects = NULL;
}
if ( release_texture_heaps ) {
/* This share group is about to go away, free our private
* texture object data.
*/
int i;
for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
driDestroyTextureHeap( rmesa->texture_heaps[ i ] );
rmesa->texture_heaps[ i ] = NULL;
}
assert( is_empty_list( & rmesa->swapped ) );
}
/* free the Mesa context */
rmesa->glCtx->DriverCtx = NULL;
_mesa_destroy_context( rmesa->glCtx );
/* free the option cache */
driDestroyOptionCache (&rmesa->optionCache);
FREE( rmesa );
}
}
void r200RefillCurrentDmaRegion( r200ContextPtr rmesa )
{
struct r200_dma_buffer *dmabuf;
int fd = rmesa->dri.fd;
int index = 0;
int size = 0;
drmDMAReq dma;
int ret;
if (R200_DEBUG & (DEBUG_IOCTL|DEBUG_DMA))
fprintf(stderr, "%s\n", __FUNCTION__);
if (rmesa->dma.flush) {
rmesa->dma.flush( rmesa );
}
if (rmesa->dma.current.buf)
r200ReleaseDmaRegion( rmesa, &rmesa->dma.current, __FUNCTION__ );
if (rmesa->dma.nr_released_bufs > 4)
r200FlushCmdBuf( rmesa, __FUNCTION__ );
dma.context = rmesa->dri.hwContext;
dma.send_count = 0;
dma.send_list = NULL;
dma.send_sizes = NULL;
dma.flags = 0;
dma.request_count = 1;
dma.request_size = RADEON_BUFFER_SIZE;
dma.request_list = &index;
dma.request_sizes = &size;
dma.granted_count = 0;
LOCK_HARDWARE(rmesa); /* no need to validate */
while (1) {
ret = drmDMA( fd, &dma );
if (ret == 0)
break;
if (rmesa->dma.nr_released_bufs) {
r200FlushCmdBufLocked( rmesa, __FUNCTION__ );
}
if (rmesa->do_usleeps) {
UNLOCK_HARDWARE( rmesa );
DO_USLEEP( 1 );
LOCK_HARDWARE( rmesa );
}
}
UNLOCK_HARDWARE(rmesa);
if (R200_DEBUG & DEBUG_DMA)
fprintf(stderr, "Allocated buffer %d\n", index);
dmabuf = CALLOC_STRUCT( r200_dma_buffer );
dmabuf->buf = &rmesa->r200Screen->buffers->list[index];
dmabuf->refcount = 1;
rmesa->dma.current.buf = dmabuf;
rmesa->dma.current.address = dmabuf->buf->address;
rmesa->dma.current.end = dmabuf->buf->total;
rmesa->dma.current.start = 0;
rmesa->dma.current.ptr = 0;
}
