diff options
Diffstat (limited to 'src/gallium/drivers/panfrost/pan_screen.c')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_screen.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gallium/drivers/panfrost/pan_screen.c b/src/gallium/drivers/panfrost/pan_screen.c index b17e2809e19..50037663279 100644 --- a/src/gallium/drivers/panfrost/pan_screen.c +++ b/src/gallium/drivers/panfrost/pan_screen.c @@ -213,8 +213,16 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_QUERY_TIMESTAMP: return is_gl3; - /* TODO: Where does this req come from in practice? */ - case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY: + /* The hardware requires element alignment for data conversion to work + * as expected. If data conversion is not required, this restriction is + * lifted on Midgard at a performance penalty. We conservatively + * require element alignment for vertex buffers, using u_vbuf to + * translate to match the hardware requirement. + * + * This is less heavy-handed than the 4BYTE_ALIGNED_ONLY caps, which + * would needlessly require alignment even for 8-bit formats. + */ + case PIPE_CAP_VERTEX_ATTRIB_ELEMENT_ALIGNED_ONLY: return 1; case PIPE_CAP_MAX_TEXTURE_2D_SIZE: |