diff options
| author | Brian Paul <[email protected]> | 2011-02-16 14:20:14 -0700 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2011-02-16 17:07:02 -0700 |
| commit | c8f8d7d873269bd2e01f088725f754f9413102b5 (patch) | |
| tree | 3f65d1c5a072c048a0f2b0ee384f043a61ba419c | |
| parent | b5df19492322cbe3a61d45981111fd862772f427 (diff) | |
svga: flush when transitioning between HW and SW rendering paths
To avoid mixing HW and SW rendering with the same vertex buffer.
| -rw-r--r-- | src/gallium/drivers/svga/svga_context.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_pipe_draw.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_context.h b/src/gallium/drivers/svga/svga_context.h index 6fd0bdb38b8..4d4f50366ea 100644 --- a/src/gallium/drivers/svga/svga_context.h +++ b/src/gallium/drivers/svga/svga_context.h @@ -367,6 +367,9 @@ struct svga_context /** List of buffers with queued transfers */ struct list_head dirty_buffers; + + /** Was the previous draw done with the SW path? */ + boolean prev_draw_swtnl; }; /* A flag for each state_tracker state object: diff --git a/src/gallium/drivers/svga/svga_pipe_draw.c b/src/gallium/drivers/svga/svga_pipe_draw.c index 001ec3616c4..d98b9b0e000 100644 --- a/src/gallium/drivers/svga/svga_pipe_draw.c +++ b/src/gallium/drivers/svga/svga_pipe_draw.c @@ -157,6 +157,14 @@ svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info) if (!u_trim_pipe_prim( info->mode, &count )) return; + if (svga->state.sw.need_swtnl != svga->prev_draw_swtnl) { + /* We're switching between SW and HW drawing. Do a flush to avoid + * mixing HW and SW rendering with the same vertex buffer. + */ + pipe->flush(pipe, ~0, NULL); + svga->prev_draw_swtnl = svga->state.sw.need_swtnl; + } + /* * Mark currently bound target surfaces as dirty * doesn't really matter if it is done before drawing. |