diff options
Diffstat (limited to 'src/gallium/drivers/radeon/r600_pipe_common.c')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c index 5d4a6799729..289fb364963 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.c +++ b/src/gallium/drivers/radeon/r600_pipe_common.c @@ -302,6 +302,59 @@ static void r600_flush_dma_ring(void *ctx, unsigned flags, rctx->ws->fence_reference(fence, rctx->last_sdma_fence); } +/** + * Store a linearized copy of all chunks of \p cs together with the buffer + * list in \p saved. + */ +void radeon_save_cs(struct radeon_winsys *ws, struct radeon_winsys_cs *cs, + struct radeon_saved_cs *saved) +{ + void *buf; + unsigned i; + + /* Save the IB chunks. */ + saved->num_dw = cs->prev_dw + cs->current.cdw; + saved->ib = MALLOC(4 * saved->num_dw); + if (!saved->ib) + goto oom; + + buf = saved->ib; + for (i = 0; i < cs->num_prev; ++i) { + memcpy(buf, cs->prev[i].buf, cs->prev[i].cdw * 4); + buf += cs->prev[i].cdw; + } + memcpy(buf, cs->current.buf, cs->current.cdw * 4); + + /* Save the buffer list. */ + saved->bo_count = ws->cs_get_buffer_list(cs, NULL); + saved->bo_list = CALLOC(saved->bo_count, + sizeof(saved->bo_list[0])); + if (!saved->bo_list) { + FREE(saved->ib); + goto oom; + } + ws->cs_get_buffer_list(cs, saved->bo_list); + + return; + +oom: + fprintf(stderr, "%s: out of memory\n", __func__); + memset(saved, 0, sizeof(*saved)); +} + +void radeon_clear_saved_cs(struct radeon_saved_cs *saved) +{ + unsigned i; + + FREE(saved->ib); + + for (i = 0; i < saved->bo_count; i++) + pb_reference(&saved->bo_list[i].buf, NULL); + FREE(saved->bo_list); + + memset(saved, 0, sizeof(*saved)); +} + static enum pipe_reset_status r600_get_reset_status(struct pipe_context *ctx) { struct r600_common_context *rctx = (struct r600_common_context *)ctx; |