On Monday, 2018-07-09 13:01:49 +0200, Robert Foss wrote:
> Add support for the ForceSoftware option, which is togglable
> on the Android platform through setting the "drm.gpu.force_software"
> property to a non-zero value.
>
> kms_swrast is also enabled as a fallback for when a driver is not
> able to be loaded for for a drm node that was opened.
>
> Signed-off-by: Robert Foss <robert.f...@collabora.com>
> ---
>
> Changes since RFC:
> - Removed whitespace change
> - Switched variable type from int to EGLBoolean
> - Removed software renderer fallback from platform_android, since
> it is already implemented in _eglMatchDriver()
>
> src/egl/drivers/dri2/platform_android.c | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/src/egl/drivers/dri2/platform_android.c
> b/src/egl/drivers/dri2/platform_android.c
> index 92b2d2b343e..14a69abbc04 100644
> --- a/src/egl/drivers/dri2/platform_android.c
> +++ b/src/egl/drivers/dri2/platform_android.c
> @@ -1193,12 +1193,16 @@ static const __DRIextension
> *droid_image_loader_extensions[] = {
> };
>
> EGLBoolean
> -droid_load_driver(_EGLDisplay *disp)
> +droid_load_driver(_EGLDisplay *disp, EGLBoolean force_software)
> {
> struct dri2_egl_display *dri2_dpy = disp->DriverData;
> const char *err;
>
> - dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
> + if (force_software)
You could use `disp->Options.ForceSoftware` directly here, and drop the
added parameter as well as the local var below and the call change.
With that:
Reviewed-by: Eric Engestrom <eric.engest...@intel.com>
> + dri2_dpy->driver_name = strdup("kms_swrast");
> + else
> + dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
> +
> if (dri2_dpy->driver_name == NULL)
> return false;
>
> @@ -1359,13 +1363,10 @@ EGLBoolean
> dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp)
> {
> struct dri2_egl_display *dri2_dpy;
> + EGLBoolean force_software = disp->Options.ForceSoftware;
> const char *err;
> int ret;
>
> - /* Not supported yet */
> - if (disp->Options.ForceSoftware)
> - return EGL_FALSE;
> -
> loader_set_logger(_eglLog);
>
> dri2_dpy = calloc(1, sizeof(*dri2_dpy));
> @@ -1384,11 +1385,13 @@ dri2_initialize_android(_EGLDriver *drv, _EGLDisplay
> *disp)
>
> dri2_dpy->fd = droid_open_device(disp);
> if (dri2_dpy->fd < 0) {
> - err = "DRI2: failed to open device";
> + err = "DRI2: failed to open device, trying software device";
> goto cleanup;
> }
>
> - if (!droid_load_driver(disp)) {
> + /* Fallback to forcing software rendering is implemented using
> + * disp->Options.ForceSoftware in egldriver.c */
> + if (!droid_load_driver(disp, force_software)) {
> err = "DRI2: failed to load driver";
> goto cleanup;
> }
> --
> 2.17.1
>
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