upload android base code part1

android/frameworks/rs/rsMesh.h

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef ANDROID_RS_MESH_H
+#define ANDROID_RS_MESH_H
+
+
+#include "rsObjectBase.h"
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+/*****************************************************************************
+ * CAUTION
+ *
+ * Any layout changes for this class may require a corresponding change to be
+ * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
+ * a partial copy of the information below.
+ *
+ *****************************************************************************/
+
+// An element is a group of Components that occupies one cell in a structure.
+class Mesh : public ObjectBase {
+public:
+    struct Hal {
+        mutable void *drv;
+
+        struct State {
+            // Contains vertex data
+            // Position, normal, texcoord, etc could either be strided in one allocation
+            // of provided separetely in multiple ones
+            Allocation **vertexBuffers;
+            uint32_t vertexBuffersCount;
+
+            // indexBuffers[i] could be nullptr, in which case only primitives[i] is used
+            Allocation **indexBuffers;
+            uint32_t indexBuffersCount;
+            RsPrimitive *primitives;
+            uint32_t primitivesCount;
+        };
+        State state;
+    };
+    Hal mHal;
+
+    explicit Mesh(Context *);
+    Mesh(Context *, uint32_t vertexBuffersCount, uint32_t primitivesCount);
+    ~Mesh();
+
+    virtual void serialize(Context *rsc, OStream *stream) const;
+    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_MESH; }
+    static Mesh *createFromStream(Context *rsc, IStream *stream);
+    void init();
+
+    void setVertexBuffer(Allocation *vb, uint32_t index) {
+        mVertexBuffers[index].set(vb);
+        mHal.state.vertexBuffers[index] = vb;
+    }
+
+    void setPrimitive(Allocation *idx, RsPrimitive prim, uint32_t index) {
+        mIndexBuffers[index].set(idx);
+        mHal.state.indexBuffers[index] = idx;
+        mHal.state.primitives[index] = prim;
+    }
+
+    void render(Context *) const;
+    void renderPrimitive(Context *, uint32_t primIndex) const;
+    void renderPrimitiveRange(Context *, uint32_t primIndex, uint32_t start, uint32_t len) const;
+    void uploadAll(Context *);
+
+    // Bounding volumes
+    float mBBoxMin[3];
+    float mBBoxMax[3];
+    void computeBBox(Context *rsc);
+protected:
+    ObjectBaseRef<Allocation> *mVertexBuffers;
+    ObjectBaseRef<Allocation> *mIndexBuffers;
+    bool mInitialized;
+};
+
+class MeshContext {
+public:
+    MeshContext() {
+    }
+    ~MeshContext() {
+    }
+};
+
+} // namespace renderscript
+} // namespace android
+#endif //ANDROID_RS_MESH_H
+
+
+