diff options
| author | Topi Pohjolainen <[email protected]> | 2017-01-15 11:35:55 +0200 |
|---|---|---|
| committer | Topi Pohjolainen <[email protected]> | 2017-06-19 22:57:57 +0300 |
| commit | 67b44a8423b9bf616387309761831caf3aa629c8 (patch) | |
| tree | d911a56f939d2ec46c0bc8998c521abc08a653f9 | |
| parent | 1a43d774b613d0b00e26b28cc752d944ce8049aa (diff) | |
i965/miptree: Drop BO_ALLOC_FOR_RENDER in intel_miptree_alloc_mcs()
because buffers get unconditionally initialised by cpu writing.
Reviewed-by: Jason Ekstrand <[email protected]>
Signed-off-by: Topi Pohjolainen <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c index c08f14314bc..42fbed34b51 100644 --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c @@ -1678,7 +1678,12 @@ intel_miptree_alloc_mcs(struct brw_context *brw, assert(isl_surf_get_mcs_surf(&brw->isl_dev, &temp_main_surf, &temp_mcs_surf)); - const uint32_t alloc_flags = BO_ALLOC_FOR_RENDER; + /* Buffer needs to be initialised requiring the buffer to be immediately + * mapped to cpu space for writing. Therefore do not use the gpu access + * flag which can cause an unnecessary delay if the backing pages happened + * to be just used by the GPU. + */ + const uint32_t alloc_flags = 0; mt->mcs_buf = intel_alloc_aux_buffer(brw, "mcs-miptree", &temp_mcs_surf, alloc_flags, mt); if (!mt->mcs_buf) { |