Mesa (master): egl/android: use swrast option in droid_load_driver
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Wed Mar 27 17:39:50 UTC 2019
Module: Mesa
Branch: master
Commit: d4e7982b6ef494775556de333f8ad00d082d748b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d4e7982b6ef494775556de333f8ad00d082d748b
Author: Gurchetan Singh <gurchetansingh at chromium.org>
Date: Wed Mar 13 10:49:20 2019 -0700
egl/android: use swrast option in droid_load_driver
Load the kms_swrast driver when specified.
Doesn't work with drm_gralloc.
v2: remove unneeded line (@eric)
v3: Remove swrast_loader_extensions (@evelikov)
Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom at intel.com>
---
src/egl/drivers/dri2/platform_android.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
index 1c508b9feb3..b6d58338d46 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -1365,6 +1365,21 @@ droid_load_driver(_EGLDisplay *disp, bool swrast)
goto error;
}
#else
+ if (swrast) {
+ /* Use kms swrast only with vgem / virtio_gpu.
+ * virtio-gpu fallbacks to software rendering when 3D features
+ * are unavailable since 6c5ab.
+ */
+ if (strcmp(dri2_dpy->driver_name, "vgem") == 0 ||
+ strcmp(dri2_dpy->driver_name, "virtio_gpu") == 0) {
+ free(dri2_dpy->driver_name);
+ dri2_dpy->driver_name = strdup("kms_swrast");
+ } else {
+ err = "DRI3: failed to find software capable driver";
+ goto error;
+ }
+ }
+
dri2_dpy->loader_extensions = droid_image_loader_extensions;
if (!dri2_load_driver_dri3(disp)) {
err = "DRI3: failed to load driver";
@@ -1432,6 +1447,9 @@ droid_open_device(_EGLDisplay *disp, bool swrast)
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
int fd = -1, err = -EINVAL;
+ if (swrast)
+ return EGL_FALSE;
+
if (dri2_dpy->gralloc->perform)
err = dri2_dpy->gralloc->perform(dri2_dpy->gralloc,
GRALLOC_MODULE_PERFORM_GET_DRM_FD,
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