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| author | Alexandros Frantzis <[email protected]> | 2019-05-23 14:58:46 +0300 |
|---|---|---|
| committer | Chia-I Wu <[email protected]> | 2019-06-07 21:44:53 -0700 |
| commit | 8089d3658ad3a2d62fb815d545b727bb72ed63c9 (patch) | |
| tree | 2e4b6972094843f32088f247188e5f4d1473725e /src/gallium/drivers/virgl | |
| parent | 371743157e24c59942ac680c952ab2527808e6f2 (diff) | |
virgl: More info about chosen alignment value
Add more info about why the value of VIRGL_MAP_BUFFER_ALIGNMENT.
Signed-off-by: Alexandros Frantzis <[email protected]>
Reviewed-by: Chia-I Wu <[email protected]>
Diffstat (limited to 'src/gallium/drivers/virgl')
| -rw-r--r-- | src/gallium/drivers/virgl/virgl_screen.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_screen.h b/src/gallium/drivers/virgl/virgl_screen.h index 0256d471f22..93b52b5138d 100644 --- a/src/gallium/drivers/virgl/virgl_screen.h +++ b/src/gallium/drivers/virgl/virgl_screen.h @@ -58,6 +58,11 @@ virgl_screen(struct pipe_screen *pipe) boolean virgl_has_readback_format(struct pipe_screen *screen, enum virgl_formats fmt); +/* GL_ARB_map_buffer_alignment requires 64 as the minimum alignment value. In + * addition to complying with the extension, a high enough alignment value is + * expected by various external GL clients. For example, wined3d doesn't like + * maps that don't have a 16 byte alignment. + */ #define VIRGL_MAP_BUFFER_ALIGNMENT 64 #endif |