Allocation sampling api prototypes.
Change-Id: Ia11c6a107ea49ad6f40cfd220c537376a18c3b62
diff --git a/scriptc/rs_allocation.rsh b/scriptc/rs_allocation.rsh
index a2f69d9..89696b8 100644
--- a/scriptc/rs_allocation.rsh
+++ b/scriptc/rs_allocation.rsh
@@ -298,5 +298,67 @@
extern uint32_t __attribute__((overloadable))
rsElementGetVectorSize(rs_element e);
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 1D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float location);
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 1D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ * @param lod mip level to sample from, for fractional values
+ * mip levels will be interpolated if
+ * RS_SAMPLER_LINEAR_MIP_LINEAR is used
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float location, float lod);
+
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 2D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float2 location);
+
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 2D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ * @param lod mip level to sample from, for fractional values
+ * mip levels will be interpolated if
+ * RS_SAMPLER_LINEAR_MIP_LINEAR is used
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float2 location, float lod);
+
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 3D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float3 location);
+
+/**
+ * Fetch allocation in a way described by the sampler
+ * @param a 3D allocation to sample from
+ * @param s sampler state
+ * @param location to sample from
+ * @param lod mip level to sample from, for fractional values
+ * mip levels will be interpolated if
+ * RS_SAMPLER_LINEAR_MIP_LINEAR is used
+ */
+extern const float4 __attribute__((overloadable))
+ rsSample(rs_allocation a, rs_sampler s, float3 location, float lod);
+
#endif