1 files changed, 185 insertions, 0 deletions
diff --git a/graphics/java/android/renderscript/ProgramVertex.java b/graphics/java/android/renderscript/ProgramVertex.java
new file mode 100644
index 0000000..ddb23ac
--- /dev/null
+++ b/graphics/java/android/renderscript/ProgramVertex.java
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+
+package android.renderscript;
+
+
+import android.util.Config;
+import android.util.Log;
+
+
+/**
+ * @hide
+ *
+ **/
+public class ProgramVertex extends BaseObj {
+    public static final int MAX_LIGHT = 8;
+
+    ProgramVertex(int id, RenderScript rs) {
+        super(rs);
+        mID = id;
+    }
+
+    public void bindAllocation(MatrixAllocation va) {
+        mRS.nProgramVertexBindAllocation(mID, va.mAlloc.mID);
+    }
+
+
+    public static class Builder {
+        RenderScript mRS;
+        Element mIn;
+        Element mOut;
+        Light[] mLights;
+        int mLightCount;
+        boolean mTextureMatrixEnable;
+
+
+        public Builder(RenderScript rs, Element in, Element out) {
+            mRS = rs;
+            mIn = in;
+            mOut = out;
+            mLights = new Light[MAX_LIGHT];
+            mLightCount = 0;
+        }
+
+        public void setTextureMatrixEnable(boolean enable) {
+            mTextureMatrixEnable = enable;
+        }
+
+        public void addLight(Light l) throws IllegalStateException {
+            if(mLightCount >= MAX_LIGHT) {
+                throw new IllegalArgumentException("Max light count exceeded.");
+            }
+            mLights[mLightCount] = l;
+            mLightCount++;
+        }
+
+
+
+        static synchronized ProgramVertex internalCreate(RenderScript rs, Builder b) {
+            int inID = 0;
+            int outID = 0;
+            if (b.mIn != null) {
+                inID = b.mIn.mID;
+            }
+            if (b.mOut != null) {
+                outID = b.mOut.mID;
+            }
+            rs.nProgramVertexBegin(inID, outID);
+            for(int ct=0; ct < b.mLightCount; ct++) {
+                rs.nProgramVertexAddLight(b.mLights[ct].mID);
+            }
+            rs.nProgramVertexSetTextureMatrixEnable(b.mTextureMatrixEnable);
+            int id = rs.nProgramVertexCreate();
+            return new ProgramVertex(id, rs);
+        }
+
+        public ProgramVertex create() {
+            return internalCreate(mRS, this);
+        }
+    }
+
+
+
+    public static class MatrixAllocation {
+        static final int MODELVIEW_OFFSET = 0;
+        static final int PROJECTION_OFFSET = 16;
+        static final int TEXTURE_OFFSET = 32;
+
+        Matrix mModel;
+        Matrix mProjection;
+        Matrix mTexture;
+
+        public Allocation mAlloc;
+
+        public MatrixAllocation(RenderScript rs) {
+            mModel = new Matrix();
+            mProjection = new Matrix();
+            mTexture = new Matrix();
+
+            mAlloc = Allocation.createSized(rs, Element.USER_F32(rs), 48);
+            mAlloc.subData1D(MODELVIEW_OFFSET, 16, mModel.mMat);
+            mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
+            mAlloc.subData1D(TEXTURE_OFFSET, 16, mTexture.mMat);
+        }
+
+        public void destroy() {
+            mAlloc.destroy();
+            mAlloc = null;
+        }
+
+        public void loadModelview(Matrix m) {
+            mModel = m;
+            mAlloc.subData1D(MODELVIEW_OFFSET, 16, m.mMat);
+        }
+
+        public void loadProjection(Matrix m) {
+            mProjection = m;
+            mAlloc.subData1D(PROJECTION_OFFSET, 16, m.mMat);
+        }
+
+        public void loadTexture(Matrix m) {
+            mTexture = m;
+            mAlloc.subData1D(TEXTURE_OFFSET, 16, m.mMat);
+        }
+
+        public void setupOrthoWindow(int w, int h) {
+            mProjection.loadOrtho(0,w, h,0, -1,1);
+            mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
+        }
+
+        public void setupOrthoNormalized(int w, int h) {
+            // range -1,1 in the narrow axis.
+            if(w > h) {
+                float aspect = ((float)w) / h;
+                mProjection.loadOrtho(-aspect,aspect,  -1,1,  -1,1);
+            } else {
+                float aspect = ((float)h) / w;
+                mProjection.loadOrtho(-1,1, -aspect,aspect,  -1,1);
+            }
+            mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
+        }
+
+        public void setupProjectionNormalized(int w, int h) {
+            // range -1,1 in the narrow axis at z = 0.
+            Matrix m1 = new Matrix();
+            Matrix m2 = new Matrix();
+
+            if(w > h) {
+                float aspect = ((float)w) / h;
+                m1.loadFrustum(-aspect,aspect,  -1,1,  1,100);
+            } else {
+                float aspect = ((float)h) / w;
+                m1.loadFrustum(-1,1, -aspect,aspect, 1,100);
+            }
+
+            m2.loadRotate(180, 0, 1, 0);
+            m1.loadMultiply(m1, m2);
+
+            m2.loadScale(-2, 2, 1);
+            m1.loadMultiply(m1, m2);
+
+            m2.loadTranslate(0, 0, 2);
+            m1.loadMultiply(m1, m2);
+
+            mProjection = m1;
+            mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
+        }
+
+    }
+
+}
+