static void
svga_buffer_unmap( struct pipe_screen *screen,
struct pipe_buffer *buf)
{
struct svga_screen *ss = svga_screen(screen);
struct svga_winsys_screen *sws = ss->sws;
struct svga_buffer *sbuf = svga_buffer( buf );
pipe_mutex_lock(ss->swc_mutex);
assert(sbuf->map.count);
if(sbuf->map.count)
--sbuf->map.count;
if(sbuf->hwbuf)
sws->buffer_unmap(sws, sbuf->hwbuf);
if(sbuf->map.writing) {
if(!sbuf->map.flush_explicit) {
/* No mapped range was flushed -- flush the whole buffer */
SVGA_DBG(DEBUG_DMA, "flushing the whole buffer\n");
svga_buffer_add_range(sbuf, 0, sbuf->base.size);
}
sbuf->map.writing = FALSE;
sbuf->map.flush_explicit = FALSE;
}
pipe_mutex_unlock(ss->swc_mutex);
}
static void
svga_buffer_flush_mapped_range( struct pipe_screen *screen,
struct pipe_buffer *buf,
unsigned offset, unsigned length)
{
struct svga_buffer *sbuf = svga_buffer( buf );
struct svga_screen *ss = svga_screen(screen);
pipe_mutex_lock(ss->swc_mutex);
assert(sbuf->map.writing);
if(sbuf->map.writing) {
assert(sbuf->map.flush_explicit);
svga_buffer_add_range(sbuf, offset, offset + length);
}
pipe_mutex_unlock(ss->swc_mutex);
}
static void
svga_buffer_transfer_flush_region( struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_buffer *sbuf = svga_buffer(transfer->resource);
unsigned offset = transfer->box.x + box->x;
unsigned length = box->width;
assert(transfer->usage & PIPE_TRANSFER_WRITE);
assert(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT);
pipe_mutex_lock(ss->swc_mutex);
svga_buffer_add_range(sbuf, offset, offset + length);
pipe_mutex_unlock(ss->swc_mutex);
}
static void
svga_buffer_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_context *svga = svga_context(pipe);
struct svga_buffer *sbuf = svga_buffer(transfer->resource);
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_BUFFERTRANSFERUNMAP);
mtx_lock(&ss->swc_mutex);
assert(sbuf->map.count);
if (sbuf->map.count) {
--sbuf->map.count;
}
if (svga_buffer_has_hw_storage(sbuf)) {
/* Note: we may wind up flushing here and unmapping other buffers
* which leads to recursively locking ss->swc_mutex.
*/
svga_buffer_hw_storage_unmap(svga, sbuf);
}
if (transfer->usage & PIPE_TRANSFER_WRITE) {
if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
/*
* Mapped range not flushed explicitly, so flush the whole buffer,
* and tell the host to discard the contents when processing the DMA
* command.
*/
SVGA_DBG(DEBUG_DMA, "flushing the whole buffer\n");
sbuf->dma.flags.discard = TRUE;
svga_buffer_add_range(sbuf, 0, sbuf->b.b.width0);
}
}
mtx_unlock(&ss->swc_mutex);
FREE(transfer);
SVGA_STATS_TIME_POP(svga_sws(svga));
}
static void
svga_buffer_transfer_unmap( struct pipe_context *pipe,
struct pipe_transfer *transfer )
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_context *svga = svga_context(pipe);
struct svga_buffer *sbuf = svga_buffer(transfer->resource);
pipe_mutex_lock(ss->swc_mutex);
assert(sbuf->map.count);
if (sbuf->map.count) {
--sbuf->map.count;
}
if (svga_buffer_has_hw_storage(sbuf)) {
svga_buffer_hw_storage_unmap(svga, sbuf);
}
if (transfer->usage & PIPE_TRANSFER_WRITE) {
if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
/*
* Mapped range not flushed explicitly, so flush the whole buffer,
* and tell the host to discard the contents when processing the DMA
* command.
*/
SVGA_DBG(DEBUG_DMA, "flushing the whole buffer\n");
sbuf->dma.flags.discard = TRUE;
svga_buffer_add_range(sbuf, 0, sbuf->b.b.width0);
}
}
pipe_mutex_unlock(ss->swc_mutex);
FREE(transfer);
}
