When EGL_KHR_mutable_render_buffer extension is enabled, advertised
configs unconditionally include EGL_MUTABLE_RENDER_BUFFER_BIT_KHR bit.
However, f61337b5 starts requesting front rendering usage bit when
EGL_MUTABLE_RENDER_BUFFER_BIT_KHR is seen on the SurfaceType, which
essentially forces linear usage on all winsys BOs for gallium dri and
i965 drivers on Android when cros gralloc is in use.
This patch dynamically appends or strips the front rendering usage bit
depends on whether EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER or
EGL_BACK_BUFFER. The next dequeuBuffer call will switch the buffer
sharing mode while re-allocating winsys BOs given the updated gralloc
usage bits if necessary.
v2: handle ANativeWindow_setUsage on error
Fixes: f61337b5 ("egl/android: check front rendering support for cros gralloc")
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Rob Clark <robdclark@chromium.org> (v1)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11787>
d677120cae