diff --git a/libs/rs/driver/rsdRuntimeStubs.cpp b/libs/rs/driver/rsdRuntimeStubs.cpp
index 506308f..44bfb1c 100644
--- a/libs/rs/driver/rsdRuntimeStubs.cpp
+++ b/libs/rs/driver/rsdRuntimeStubs.cpp
@@ -90,6 +90,16 @@
     rsrBindTexture(rsc, sc, pf, slot, a);
 }
 
+static void SC_BindVertexConstant(ProgramVertex *pv, uint32_t slot, Allocation *a) {
+    GET_TLS();
+    rsrBindConstant(rsc, sc, pv, slot, a);
+}
+
+static void SC_BindFragmentConstant(ProgramFragment *pf, uint32_t slot, Allocation *a) {
+    GET_TLS();
+    rsrBindConstant(rsc, sc, pf, slot, a);
+}
+
 static void SC_BindSampler(ProgramFragment *pf, uint32_t slot, Sampler *s) {
     GET_TLS();
     rsrBindSampler(rsc, sc, pf, slot, s);
@@ -591,6 +601,8 @@
     { "_Z20rsgBindProgramRaster17rs_program_raster", (void *)&SC_BindProgramRaster, false },
     { "_Z14rsgBindSampler19rs_program_fragmentj10rs_sampler", (void *)&SC_BindSampler, false },
     { "_Z14rsgBindTexture19rs_program_fragmentj13rs_allocation", (void *)&SC_BindTexture, false },
+    { "_Z15rsgBindConstant19rs_program_fragmentj13rs_allocation", (void *)&SC_BindFragmentConstant, false },
+    { "_Z15rsgBindConstant17rs_program_vertexj13rs_allocation", (void *)&SC_BindVertexConstant, false },
 
     { "_Z36rsgProgramVertexLoadProjectionMatrixPK12rs_matrix4x4", (void *)&SC_VpLoadProjectionMatrix, false },
     { "_Z31rsgProgramVertexLoadModelMatrixPK12rs_matrix4x4", (void *)&SC_VpLoadModelMatrix, false },
diff --git a/libs/rs/rsRuntime.h b/libs/rs/rsRuntime.h
index b0869f6..3bded62 100644
--- a/libs/rs/rsRuntime.h
+++ b/libs/rs/rsRuntime.h
@@ -30,6 +30,8 @@
 //////////////////////////////////////////////////////////////////////////////
 
 void rsrBindTexture(Context *, Script *, ProgramFragment *, uint32_t slot, Allocation *);
+void rsrBindConstant(Context *, Script *, ProgramFragment *, uint32_t slot, Allocation *);
+void rsrBindConstant(Context *, Script *, ProgramVertex*, uint32_t slot, Allocation *);
 void rsrBindSampler(Context *, Script *, ProgramFragment *, uint32_t slot, Sampler *);
 void rsrBindProgramStore(Context *, Script *, ProgramStore *);
 void rsrBindProgramFragment(Context *, Script *, ProgramFragment *);
diff --git a/libs/rs/rsScriptC_LibGL.cpp b/libs/rs/rsScriptC_LibGL.cpp
index 742da96..dece363 100644
--- a/libs/rs/rsScriptC_LibGL.cpp
+++ b/libs/rs/rsScriptC_LibGL.cpp
@@ -50,6 +50,18 @@
     pf->bindTexture(rsc, slot, a);
 }
 
+void rsrBindConstant(Context *rsc, Script *sc, ProgramFragment *pf, uint32_t slot, Allocation *a) {
+    CHECK_OBJ_OR_NULL(a);
+    CHECK_OBJ(pf);
+    pf->bindAllocation(rsc, a, slot);
+}
+
+void rsrBindConstant(Context *rsc, Script *sc, ProgramVertex *pf, uint32_t slot, Allocation *a) {
+    CHECK_OBJ_OR_NULL(a);
+    CHECK_OBJ(pf);
+    pf->bindAllocation(rsc, a, slot);
+}
+
 void rsrBindSampler(Context *rsc, Script *sc, ProgramFragment *pf, uint32_t slot, Sampler *s) {
     CHECK_OBJ_OR_NULL(vs);
     CHECK_OBJ(vpf);
diff --git a/libs/rs/scriptc/rs_graphics.rsh b/libs/rs/scriptc/rs_graphics.rsh
index 64fcd23..7fdebdc 100644
--- a/libs/rs/scriptc/rs_graphics.rsh
+++ b/libs/rs/scriptc/rs_graphics.rsh
@@ -369,6 +369,28 @@
     rsgProgramFragmentConstantColor(rs_program_fragment pf, float r, float g, float b, float a);
 
 /**
+ * Bind a new Allocation object to a ProgramFragment.  The
+ * Allocation must be a valid constant input for the Program.
+ *
+ * @param ps program object
+ * @param slot index of the constant buffer on the program
+ * @param c constants to bind
+ */
+extern void __attribute__((overloadable))
+    rsgBindConstant(rs_program_fragment ps, uint slot, rs_allocation c);
+
+/**
+ * Bind a new Allocation object to a ProgramVertex.  The
+ * Allocation must be a valid constant input for the Program.
+ *
+ * @param pv program object
+ * @param slot index of the constant buffer on the program
+ * @param c constants to bind
+ */
+extern void __attribute__((overloadable))
+    rsgBindConstant(rs_program_vertex pv, uint slot, rs_allocation c);
+
+/**
  * Get the width of the current rendering surface.
  *
  * @return uint