diff --git a/rsRuntime.h b/rsRuntime.h
new file mode 100644
index 0000000..884f7b6
--- /dev/null
+++ b/rsRuntime.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "rsContext.h"
+#include "rsScriptC.h"
+
+#include "utils/Timers.h"
+
+#include <time.h>
+
+namespace android {
+namespace renderscript {
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Context
+//////////////////////////////////////////////////////////////////////////////
+
+void rsrBindTexture(Context *, Script *, ProgramFragment *, uint32_t slot, Allocation *);
+void rsrBindSampler(Context *, Script *, ProgramFragment *, uint32_t slot, Sampler *);
+void rsrBindProgramStore(Context *, Script *, ProgramStore *);
+void rsrBindProgramFragment(Context *, Script *, ProgramFragment *);
+void rsrBindProgramVertex(Context *, Script *, ProgramVertex *);
+void rsrBindProgramRaster(Context *, Script *, ProgramRaster *);
+void rsrBindFrameBufferObjectColorTarget(Context *, Script *, Allocation *, uint32_t slot);
+void rsrBindFrameBufferObjectDepthTarget(Context *, Script *, Allocation *);
+void rsrClearFrameBufferObjectColorTarget(Context *, Script *, uint32_t slot);
+void rsrClearFrameBufferObjectDepthTarget(Context *, Script *);
+void rsrClearFrameBufferObjectTargets(Context *, Script *);
+
+//////////////////////////////////////////////////////////////////////////////
+// VP
+//////////////////////////////////////////////////////////////////////////////
+
+void rsrVpLoadProjectionMatrix(Context *, Script *, const rsc_Matrix *m);
+void rsrVpLoadModelMatrix(Context *, Script *, const rsc_Matrix *m);
+void rsrVpLoadTextureMatrix(Context *, Script *, const rsc_Matrix *m);
+void rsrPfConstantColor(Context *, Script *, ProgramFragment *, float r, float g, float b, float a);
+void rsrVpGetProjectionMatrix(Context *, Script *, rsc_Matrix *m);
+
+//////////////////////////////////////////////////////////////////////////////
+// Drawing
+//////////////////////////////////////////////////////////////////////////////
+
+void rsrDrawQuadTexCoords(Context *, Script *,
+                          float x1, float y1, float z1, float u1, float v1,
+                          float x2, float y2, float z2, float u2, float v2,
+                          float x3, float y3, float z3, float u3, float v3,
+                          float x4, float y4, float z4, float u4, float v4);
+void rsrDrawQuad(Context *, Script *,
+                 float x1, float y1, float z1,
+                 float x2, float y2, float z2,
+                 float x3, float y3, float z3,
+                 float x4, float y4, float z4);
+void rsrDrawSpriteScreenspace(Context *, Script *,
+                              float x, float y, float z, float w, float h);
+void rsrDrawRect(Context *, Script *, float x1, float y1, float x2, float y2, float z);
+void rsrDrawMesh(Context *, Script *, Mesh *);
+void rsrDrawMeshPrimitive(Context *, Script *, Mesh *, uint32_t primIndex);
+void rsrDrawMeshPrimitiveRange(Context *, Script *, Mesh *,
+                               uint32_t primIndex, uint32_t start, uint32_t len);
+void rsrMeshComputeBoundingBox(Context *, Script *, Mesh *,
+                               float *minX, float *minY, float *minZ,
+                               float *maxX, float *maxY, float *maxZ);
+
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+void rsrColor(Context *, Script *, float r, float g, float b, float a);
+void rsrFinish(Context *, Script *);
+void rsrAllocationSyncAll(Context *, Script *, Allocation *);
+void rsrClearColor(Context *, Script *, float r, float g, float b, float a);
+void rsrClearDepth(Context *, Script *, float v);
+uint32_t rsrGetWidth(Context *, Script *);
+uint32_t rsrGetHeight(Context *, Script *);
+void rsrDrawTextAlloc(Context *, Script *, Allocation *, int x, int y);
+void rsrDrawText(Context *, Script *, const char *text, int x, int y);
+void rsrSetMetrics(Context *, Script *, Font::Rect *metrics,
+                   int32_t *left, int32_t *right, int32_t *top, int32_t *bottom);
+void rsrMeasureTextAlloc(Context *, Script *, Allocation *,
+                         int32_t *left, int32_t *right, int32_t *top, int32_t *bottom);
+void rsrMeasureText(Context *, Script *, const char *text,
+                    int32_t *left, int32_t *right, int32_t *top, int32_t *bottom);
+void rsrBindFont(Context *, Script *, Font *);
+void rsrFontColor(Context *, Script *, float r, float g, float b, float a);
+
+//////////////////////////////////////////////////////////////////////////////
+// Time routines
+//////////////////////////////////////////////////////////////////////////////
+
+float rsrGetDt(Context *, Script *);
+time_t rsrTime(Context *, Script *, time_t *timer);
+tm* rsrLocalTime(Context *, Script *, tm *local, time_t *timer);
+int64_t rsrUptimeMillis(Context *, Script *);
+int64_t rsrUptimeNanos(Context *, Script *);
+
+//////////////////////////////////////////////////////////////////////////////
+// Message routines
+//////////////////////////////////////////////////////////////////////////////
+
+uint32_t rsrToClient(Context *, Script *, int cmdID, void *data, int len);
+uint32_t rsrToClientBlocking(Context *, Script *, int cmdID, void *data, int len);
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//////////////////////////////////////////////////////////////////////////////
+
+void rsrSetObject(const Context *, const Script *, ObjectBase **dst, ObjectBase * src);
+void rsrClearObject(const Context *, const Script *, ObjectBase **dst);
+bool rsrIsObject(const Context *, const Script *, const ObjectBase *src);
+
+uint32_t rsrToClient(Context *, Script *, int cmdID, void *data, int len);
+uint32_t rsrToClientBlocking(Context *, Script *, int cmdID, void *data, int len);
+const Allocation * rsrGetAllocation(Context *, Script *, const void *ptr);
+
+void rsrAllocationMarkDirty(Context *, Script *, RsAllocation a);
+void rsrAllocationSyncAll(Context *, Script *, Allocation *a, RsAllocationUsageType source);
+
+
+void rsrForEach(Context *, Script *, Script *target,
+                Allocation *in,
+                Allocation *out,
+                const void *usr,
+                 uint32_t usrBytes,
+                const RsScriptCall *call);
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Heavy math functions
+//////////////////////////////////////////////////////////////////////////////
+
+
+void rsrMatrixSet(rs_matrix4x4 *m, uint32_t row, uint32_t col, float v);
+float rsrMatrixGet(const rs_matrix4x4 *m, uint32_t row, uint32_t col);
+void rsrMatrixSet(rs_matrix3x3 *m, uint32_t row, uint32_t col, float v);
+float rsrMatrixGet(const rs_matrix3x3 *m, uint32_t row, uint32_t col);
+void rsrMatrixSet(rs_matrix2x2 *m, uint32_t row, uint32_t col, float v);
+float rsrMatrixGet(const rs_matrix2x2 *m, uint32_t row, uint32_t col);
+void rsrMatrixLoadIdentity_4x4(rs_matrix4x4 *m);
+void rsrMatrixLoadIdentity_3x3(rs_matrix3x3 *m);
+void rsrMatrixLoadIdentity_2x2(rs_matrix2x2 *m);
+void rsrMatrixLoad_4x4_f(rs_matrix4x4 *m, const float *v);
+void rsrMatrixLoad_3x3_f(rs_matrix3x3 *m, const float *v);
+void rsrMatrixLoad_2x2_f(rs_matrix2x2 *m, const float *v);
+void rsrMatrixLoad_4x4_4x4(rs_matrix4x4 *m, const rs_matrix4x4 *v);
+void rsrMatrixLoad_4x4_3x3(rs_matrix4x4 *m, const rs_matrix3x3 *v);
+void rsrMatrixLoad_4x4_2x2(rs_matrix4x4 *m, const rs_matrix2x2 *v);
+void rsrMatrixLoad_3x3_3x3(rs_matrix3x3 *m, const rs_matrix3x3 *v);
+void rsrMatrixLoad_2x2_2x2(rs_matrix2x2 *m, const rs_matrix2x2 *v);
+void rsrMatrixLoadRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);
+void rsrMatrixLoadScale(rs_matrix4x4 *m, float x, float y, float z);
+void rsrMatrixLoadTranslate(rs_matrix4x4 *m, float x, float y, float z);
+void rsrMatrixLoadMultiply_4x4_4x4_4x4(rs_matrix4x4 *m, const rs_matrix4x4 *lhs,
+                                       const rs_matrix4x4 *rhs);
+void rsrMatrixMultiply_4x4_4x4(rs_matrix4x4 *m, const rs_matrix4x4 *rhs);
+void rsrMatrixLoadMultiply_3x3_3x3_3x3(rs_matrix3x3 *m, const rs_matrix3x3 *lhs,
+                                       const rs_matrix3x3 *rhs);
+void rsrMatrixMultiply_3x3_3x3(rs_matrix3x3 *m, const rs_matrix3x3 *rhs);
+void rsrMatrixLoadMultiply_2x2_2x2_2x2(rs_matrix2x2 *m, const rs_matrix2x2 *lhs,
+                                       const rs_matrix2x2 *rhs);
+void rsrMatrixMultiply_2x2_2x2(rs_matrix2x2 *m, const rs_matrix2x2 *rhs);
+void rsrMatrixRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);
+void rsrMatrixScale(rs_matrix4x4 *m, float x, float y, float z);
+void rsrMatrixTranslate(rs_matrix4x4 *m, float x, float y, float z);
+void rsrMatrixLoadOrtho(rs_matrix4x4 *m, float left, float right,
+                        float bottom, float top, float near, float far);
+void rsrMatrixLoadFrustum(rs_matrix4x4 *m, float left, float right,
+                          float bottom, float top, float near, float far);
+void rsrMatrixLoadPerspective(rs_matrix4x4* m, float fovy, float aspect, float near, float far);
+
+// Returns true if the matrix was successfully inversed
+bool rsrMatrixInverse_4x4(rs_matrix4x4 *m);
+// Returns true if the matrix was successfully inversed
+bool rsrMatrixInverseTranspose_4x4(rs_matrix4x4 *m);
+
+void rsrMatrixTranspose_4x4(rs_matrix4x4 *m);
+void rsrMatrixTranspose_3x3(rs_matrix3x3 *m);
+void rsrMatrixTranspose_2x2(rs_matrix2x2 *m);
+
+}
+}