1 #ifndef ANDROID_DVR_DISPLAY_TYPES_H_ 2 #define ANDROID_DVR_DISPLAY_TYPES_H_ 3 4 #include <sys/cdefs.h> 5 6 __BEGIN_DECLS 7 8 // Define types used in pose buffer fields. These types have atomicity 9 // guarantees that are useful in lock-free shared memory ring buffers. 10 #ifdef __ARM_NEON 11 #include <arm_neon.h> 12 #else 13 #ifndef __FLOAT32X4T_86 14 #define __FLOAT32X4T_86 15 typedef float float32x4_t __attribute__((__vector_size__(16))); 16 typedef struct float32x4x4_t { float32x4_t val[4]; }; 17 #endif 18 #endif 19 20 // VrFlinger display manager surface state snapshots per surface flags 21 // indicating what changed since the last snapshot. 22 enum { 23 // No changes. 24 DVR_SURFACE_UPDATE_FLAGS_NONE = 0, 25 // This surface is new. 26 DVR_SURFACE_UPDATE_FLAGS_NEW_SURFACE = (1 << 0), 27 // Buffer queues added/removed. 28 DVR_SURFACE_UPDATE_FLAGS_BUFFERS_CHANGED = (1 << 1), 29 // Visibility/z-order changed. 30 DVR_SURFACE_UPDATE_FLAGS_VISIBILITY_CHANGED = (1 << 2), 31 // Generic attributes changed. 32 DVR_SURFACE_UPDATE_FLAGS_ATTRIBUTES_CHANGED = (1 << 3), 33 }; 34 35 // Surface attribute keys. VrFlinger defines keys in the negative integer space. 36 // The compositor is free to use keys in the positive integer space for 37 // implementation-defined purposes. 38 enum { 39 // DIRECT: bool 40 // Determines whether a direct surface is created (compositor output) or an 41 // application surface. Defaults to false (application surface). May only be 42 // set to true by a process with either UID=root or UID validated with 43 // IsTrustedUid() (VrCore). 44 DVR_SURFACE_ATTRIBUTE_DIRECT = -3, 45 // Z_ORDER: int32_t 46 // Interpreted by VrFlinger only on direct surfaces to order the corresponding 47 // hardware layers. More positive values render on top of more negative 48 // values. 49 DVR_SURFACE_ATTRIBUTE_Z_ORDER = -2, 50 // VISIBLE: bool 51 // Interpreted by VrFlinger only on direct surfaces to determine whether a 52 // surface is assigned to a hardware layer or ignored. 53 DVR_SURFACE_ATTRIBUTE_VISIBLE = -1, 54 // INVALID 55 // Invalid key. No attributes should have this key. 56 DVR_SURFACE_ATTRIBUTE_INVALID = 0, 57 // FIRST_USER_KEY 58 // VrFlinger ingores any keys with this value or greater, passing them to the 59 // compositor through surface state query results. 60 DVR_SURFACE_ATTRIBUTE_FIRST_USER_KEY = 1, 61 }; 62 63 __END_DECLS 64 65 #endif // ANDROID_DVR_DISPLAY_TYPES_H_ 66
