diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_draw_arrays.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_draw_arrays.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index b30036e230..8fa7f9fbde 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -84,6 +84,57 @@ softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode, 1); } +void +softpipe_draw_auto(struct pipe_context *pipe, unsigned mode) +{ + struct softpipe_context *sp = softpipe_context(pipe); + struct draw_context *draw = sp->draw; + const unsigned start = 0; + const unsigned count = sp->so_target.so_count[0]; + void *buf = sp->so_target.buffer[0]->data; + int offset = sp->so_target.offset[0]; + + if (!softpipe_check_render_cond(sp) || + sp->so_target.num_buffers != 1) + return; + + sp->reduced_api_prim = u_reduced_prim(mode); + + if (sp->dirty) { + softpipe_update_derived(sp); + } + + softpipe_map_transfers(sp); + + /* Map so buffers */ + if (offset < 0) /* we were appending so start from beginning */ + offset = 0; + buf = (void*)((int32_t*)buf + offset); + draw_set_mapped_vertex_buffer(draw, 0, buf); + + draw_set_mapped_element_buffer_range(draw, + 0, 0, + start, + start + count - 1, + NULL); + + /* draw! */ + draw_arrays_instanced(draw, mode, start, count, 0, 1); + + /* unmap vertex/index buffers - will cause draw module to flush */ + draw_set_mapped_vertex_buffer(draw, 0, NULL); + + /* + * TODO: Flush only when a user vertex/index buffer is present + * (or even better, modify draw module to do this + * internally when this condition is seen?) + */ + draw_flush(draw); + + /* Note: leave drawing surfaces mapped */ + sp->dirty_render_cache = TRUE; +} + void softpipe_draw_range_elements(struct pipe_context *pipe, |