Add NUM_DISPLAY_TYPES query and refine display list semantics
Change-Id: I740859bfa2b126edcdf06f7b2c8208770bc864f9
diff --git a/include/hardware/hwcomposer_defs.h b/include/hardware/hwcomposer_defs.h
index a5df8f0..f0f97fc 100644
--- a/include/hardware/hwcomposer_defs.h
+++ b/include/hardware/hwcomposer_defs.h
@@ -139,6 +139,12 @@
* returns the vsync period in nanosecond
*/
HWC_VSYNC_PERIOD = 1,
+
+ /*
+ * availability: HWC_DEVICE_API_VERSION_1_1
+ * returns a mask of supported display types
+ */
+ HWC_DISPLAY_TYPES_SUPPORTED = 2,
};
/* Allowed events for hwc_methods::eventControl() */
@@ -146,6 +152,18 @@
HWC_EVENT_VSYNC = 0
};
+/* Display types and associated mask bits. */
+enum {
+ HWC_DISPLAY_PRIMARY = 0,
+ HWC_DISPLAY_EXTERNAL = 1, // HDMI, DP, etc.
+ HWC_NUM_DISPLAY_TYPES
+};
+
+enum {
+ HWC_DISPLAY_PRIMARY_BIT = 1 << HWC_DISPLAY_PRIMARY,
+ HWC_DISPLAY_EXTERNAL_BIT = 1 << HWC_DISPLAY_EXTERNAL,
+};
+
/*****************************************************************************/
__END_DECLS