--- /dev/null
+#ifndef __RS_MATH_RSH__
+#define __RS_MATH_RSH__
+
+/**
+ * Copy reference to the specified object.
+ *
+ * @param dst
+ * @param src
+ */
+extern void __attribute__((overloadable))
+ rsSetObject(rs_element *dst, rs_element src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_type *dst, rs_type src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_allocation *dst, rs_allocation src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_sampler *dst, rs_sampler src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_script *dst, rs_script src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_mesh *dst, rs_mesh src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_program_fragment *dst, rs_program_fragment src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_program_vertex *dst, rs_program_vertex src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_program_raster *dst, rs_program_raster src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_program_store *dst, rs_program_store src);
+extern void __attribute__((overloadable))
+ rsSetObject(rs_font *dst, rs_font src);
+
+/**
+ * Sets the object to NULL.
+ *
+ * @return bool
+ */
+extern void __attribute__((overloadable))
+ rsClearObject(rs_element *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_type *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_allocation *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_sampler *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_script *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_mesh *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_program_fragment *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_program_vertex *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_program_raster *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_program_store *dst);
+extern void __attribute__((overloadable))
+ rsClearObject(rs_font *dst);
+
+/**
+ * Tests if the object is valid. Returns true if the object is valid, false if
+ * it is NULL.
+ *
+ * @return bool
+ */
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_element);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_type);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_allocation);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_sampler);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_script);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_mesh);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_program_fragment);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_program_vertex);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_program_raster);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_program_store);
+extern bool __attribute__((overloadable))
+ rsIsObject(rs_font);
+
+
+/**
+ * Returns the Allocation for a given pointer. The pointer should point within
+ * a valid allocation. The results are undefined if the pointer is not from a
+ * valid allocation.
+ */
+extern rs_allocation __attribute__((overloadable))
+ rsGetAllocation(const void *);
+
+/**
+ * Query the dimension of an allocation.
+ *
+ * @return uint32_t The X dimension of the allocation.
+ */
+extern uint32_t __attribute__((overloadable))
+ rsAllocationGetDimX(rs_allocation);
+
+/**
+ * Query the dimension of an allocation.
+ *
+ * @return uint32_t The Y dimension of the allocation.
+ */
+extern uint32_t __attribute__((overloadable))
+ rsAllocationGetDimY(rs_allocation);
+
+/**
+ * Query the dimension of an allocation.
+ *
+ * @return uint32_t The Z dimension of the allocation.
+ */
+extern uint32_t __attribute__((overloadable))
+ rsAllocationGetDimZ(rs_allocation);
+
+/**
+ * Query an allocation for the presence of more than one LOD.
+ *
+ * @return uint32_t Returns 1 if more than one LOD is present, 0 otherwise.
+ */
+extern uint32_t __attribute__((overloadable))
+ rsAllocationGetDimLOD(rs_allocation);
+
+/**
+ * Query an allocation for the presence of more than one face.
+ *
+ * @return uint32_t Returns 1 if more than one face is present, 0 otherwise.
+ */
+extern uint32_t __attribute__((overloadable))
+ rsAllocationGetDimFaces(rs_allocation);
+
+// Extract a single element from an allocation.
+extern const void * __attribute__((overloadable))
+ rsGetElementAt(rs_allocation, uint32_t x);
+extern const void * __attribute__((overloadable))
+ rsGetElementAt(rs_allocation, uint32_t x, uint32_t y);
+extern const void * __attribute__((overloadable))
+ rsGetElementAt(rs_allocation, uint32_t x, uint32_t y, uint32_t z);
+
+// Return a random value between 0 (or min_value) and max_malue.
+extern int __attribute__((overloadable))
+ rsRand(int max_value);
+extern int __attribute__((overloadable))
+ rsRand(int min_value, int max_value);
+extern float __attribute__((overloadable))
+ rsRand(float max_value);
+extern float __attribute__((overloadable))
+ rsRand(float min_value, float max_value);
+
+// return the fractional part of a float
+// min(v - ((int)floor(v)), 0x1.fffffep-1f);
+extern float __attribute__((overloadable))
+ rsFrac(float);
+
+// Send a message back to the client. Will not block and returns true
+// if the message was sendable and false if the fifo was full.
+// A message ID is required. Data payload is optional.
+extern bool __attribute__((overloadable))
+ rsSendToClient(int cmdID);
+extern bool __attribute__((overloadable))
+ rsSendToClient(int cmdID, const void *data, uint len);
+
+// Send a message back to the client, blocking until the message is queued.
+// A message ID is required. Data payload is optional.
+extern void __attribute__((overloadable))
+ rsSendToClientBlocking(int cmdID);
+extern void __attribute__((overloadable))
+ rsSendToClientBlocking(int cmdID, const void *data, uint len);
+
+
+// Script to Script
+enum rs_for_each_strategy {
+ RS_FOR_EACH_STRATEGY_SERIAL,
+ RS_FOR_EACH_STRATEGY_DONT_CARE,
+ RS_FOR_EACH_STRATEGY_DST_LINEAR,
+ RS_FOR_EACH_STRATEGY_TILE_SMALL,
+ RS_FOR_EACH_STRATEGY_TILE_MEDIUM,
+ RS_FOR_EACH_STRATEGY_TILE_LARGE
+};
+
+typedef struct rs_script_call {
+ enum rs_for_each_strategy strategy;
+ uint32_t xStart;
+ uint32_t xEnd;
+ uint32_t yStart;
+ uint32_t yEnd;
+ uint32_t zStart;
+ uint32_t zEnd;
+ uint32_t arrayStart;
+ uint32_t arrayEnd;
+} rs_script_call_t;
+
+extern void __attribute__((overloadable))
+ rsForEach(rs_script script, rs_allocation input,
+ rs_allocation output, const void * usrData);
+
+extern void __attribute__((overloadable))
+ rsForEach(rs_script script, rs_allocation input,
+ rs_allocation output, const void * usrData,
+ const rs_script_call_t *);
+
+#endif
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