upload android base code part1

android/frameworks/rs/rsSampler.h

@@ -0,0 +1,109 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_RS_SAMPLER_H
+#define ANDROID_RS_SAMPLER_H
+
+#include "rsAllocation.h"
+
+#include <vector>
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+
+const static uint32_t RS_MAX_SAMPLER_SLOT = 16;
+
+class SamplerState;
+/*****************************************************************************
+ * 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.
+ *
+ *****************************************************************************/
+class Sampler : public ObjectBase {
+public:
+    struct Hal {
+        mutable void *drv;
+
+        struct State {
+            RsSamplerValue magFilter;
+            RsSamplerValue minFilter;
+            RsSamplerValue wrapS;
+            RsSamplerValue wrapT;
+            RsSamplerValue wrapR;
+            float aniso;
+        };
+        State state;
+    };
+    Hal mHal;
+
+    void operator delete(void* ptr);
+
+    static ObjectBaseRef<Sampler> getSampler(Context *,
+                                             RsSamplerValue magFilter,
+                                             RsSamplerValue minFilter,
+                                             RsSamplerValue wrapS,
+                                             RsSamplerValue wrapT,
+                                             RsSamplerValue wrapR,
+                                             float aniso = 1.0f);
+    void bindToContext(SamplerState *, uint32_t slot);
+    void unbindFromContext(SamplerState *);
+
+    virtual void serialize(Context *rsc, OStream *stream) const;
+    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SAMPLER; }
+    static Sampler *createFromStream(Context *rsc, IStream *stream);
+
+protected:
+    int32_t mBoundSlot;
+
+    virtual void preDestroy() const;
+    virtual ~Sampler();
+
+private:
+    explicit Sampler(Context *);
+    Sampler(Context *,
+            RsSamplerValue magFilter,
+            RsSamplerValue minFilter,
+            RsSamplerValue wrapS,
+            RsSamplerValue wrapT,
+            RsSamplerValue wrapR,
+            float aniso = 1.0f);
+};
+
+
+class SamplerState {
+public:
+    ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
+    void init(Context *rsc) {
+    }
+    void deinit(Context *rsc) {
+        for (uint32_t i = 0; i < RS_MAX_SAMPLER_SLOT; i ++) {
+            mSamplers[i].clear();
+        }
+    }
+    // Cache of all existing raster programs.
+    std::vector<Sampler *> mAllSamplers;
+};
+
+} // namespace renderscript
+} // namespace android
+#endif //ANDROID_RS_SAMPLER_H
+
+
+