compositor-drm: Use matrix type to test for drm plane compatibility
The drm planes (sprites) only support translation and scaling. Now that
we have matrix.type, we can just look there to see if the transform is
compatible with kms.
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 82090f0..f1f7343 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -698,32 +698,8 @@
static int
drm_surface_transform_supported(struct weston_surface *es)
{
- struct weston_matrix *matrix = &es->transform.matrix;
- int i;
-
- if (!es->transform.enabled)
- return 1;
-
- for (i = 0; i < 16; i++) {
- switch (i) {
- case 10:
- case 15:
- if (matrix->d[i] != 1.0)
- return 0;
- break;
- case 0:
- case 5:
- case 12:
- case 13:
- break;
- default:
- if (matrix->d[i] != 0.0)
- return 0;
- break;
- }
- }
-
- return 1;
+ return !es->transform.enabled ||
+ (es->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
}
static struct weston_plane *