Continue development of es2.0 user shader support for renderscript. This change cleans up ProgramVertex creation and adds support for passing input, output, and constant type info.

1 files changed, 120 insertions, 0 deletions

diff --git a/graphics/java/android/renderscript/Program.java b/graphics/java/android/renderscript/Program.java
new file mode 100644
index 000000000000..bf6aac77c1d5
--- /dev/null
+++ b/graphics/java/android/renderscript/Program.java
@@ -0,0 +1,120 @@
+/*
+ * 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 Program extends BaseObj {
+    public static final int MAX_INPUT = 8;
+    public static final int MAX_OUTPUT = 8;
+    public static final int MAX_CONSTANT = 8;
+
+    Element mInputs[];
+    Element mOutputs[];
+    Type mConstants[];
+    String mShader;
+
+    Program(int id, RenderScript rs) {
+        super(rs);
+        mID = id;
+    }
+
+    public void bindConstants(Allocation a, int slot) {
+        mRS.nProgramBindConstants(mID, slot, a.mID);
+    }
+
+    public static class BaseProgramBuilder {
+        RenderScript mRS;
+        Element mInputs[];
+        Element mOutputs[];
+        Type mConstants[];
+        Type mTextures[];
+        int mInputCount;
+        int mOutputCount;
+        int mConstantCount;
+        int mTextureCount;
+        String mShader;
+
+
+        protected BaseProgramBuilder(RenderScript rs) {
+            mRS = rs;
+            mInputs = new Element[MAX_INPUT];
+            mOutputs = new Element[MAX_OUTPUT];
+            mConstants = new Type[MAX_CONSTANT];
+            mInputCount = 0;
+            mOutputCount = 0;
+            mConstantCount = 0;
+        }
+
+        public void setShader(String s) {
+            mShader = s;
+        }
+
+        public void addInput(Element e) throws IllegalStateException {
+            // Should check for consistant and non-conflicting names...
+            if(mInputCount >= MAX_INPUT) {
+                throw new IllegalArgumentException("Max input count exceeded.");
+            }
+            mInputs[mInputCount++] = e;
+        }
+
+        public void addOutput(Element e) throws IllegalStateException {
+            // Should check for consistant and non-conflicting names...
+            if(mOutputCount >= MAX_OUTPUT) {
+                throw new IllegalArgumentException("Max output count exceeded.");
+            }
+            mOutputs[mOutputCount++] = e;
+        }
+
+        public void addConstant(Type t) throws IllegalStateException {
+            // Should check for consistant and non-conflicting names...
+            if(mConstantCount >= MAX_CONSTANT) {
+                throw new IllegalArgumentException("Max input count exceeded.");
+            }
+            mConstants[mConstantCount++] = t;
+        }
+
+        public void addTexture(Type t) throws IllegalStateException {
+            // Should check for consistant and non-conflicting names...
+            if(mTextureCount >= MAX_CONSTANT) {
+                throw new IllegalArgumentException("Max input count exceeded.");
+            }
+            mTextures[mTextureCount++] = t;
+        }
+
+        protected void initProgram(Program p) {
+            p.mInputs = new Element[mInputCount];
+            System.arraycopy(mInputs, 0, p.mInputs, 0, mInputCount);
+            p.mOutputs = new Element[mOutputCount];
+            System.arraycopy(mOutputs, 0, p.mOutputs, 0, mOutputCount);
+            p.mConstants = new Type[mConstantCount];
+            System.arraycopy(mConstants, 0, p.mConstants, 0, mConstantCount);
+            p.mTextures = new Type[mTextureCount];
+            System.arraycopy(mTextures, 0, p.mTextures, 0, mTextureCount);
+        }
+    }
+
+}
+
+