merge from eclair

1 files changed, 101 insertions, 0 deletions

diff --git a/libs/rs/rsAllocation.h b/libs/rs/rsAllocation.h
new file mode 100644
index 000000000000..1b83267bb346
--- /dev/null
+++ b/libs/rs/rsAllocation.h
@@ -0,0 +1,101 @@
+/*
+ * 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_STRUCTURED_ALLOCATION_H
+#define ANDROID_STRUCTURED_ALLOCATION_H
+
+#include "rsType.h"
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+
+
+
+class Allocation : public ObjectBase
+{
+    // The graphics equilivent of malloc.  The allocation contains a structure of elements.
+
+
+public:
+    // By policy this allocation will hold a pointer to the type
+    // but will not destroy it on destruction.
+    Allocation(Context *rsc, const Type *);
+    virtual ~Allocation();
+
+    void setCpuWritable(bool);
+    void setGpuWritable(bool);
+    void setCpuReadable(bool);
+    void setGpuReadable(bool);
+
+    bool fixAllocation();
+
+    void * getPtr() const {return mPtr;}
+    const Type * getType() const {return mType.get();}
+
+    void uploadToTexture(uint32_t lodOffset = 0);
+    uint32_t getTextureID() const {return mTextureID;}
+
+    void uploadToBufferObject();
+    uint32_t getBufferObjectID() const {return mBufferID;}
+
+
+    void data(const void *data, uint32_t sizeBytes);
+    void subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes);
+    void subData(uint32_t xoff, uint32_t yoff,
+                 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes);
+    void subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
+                 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes);
+
+    void read(void *data);
+
+    void enableGLVertexBuffers() const;
+    void setupGLIndexBuffers() const;
+
+
+protected:
+    ObjectBaseRef<const Type> mType;
+    void * mPtr;
+
+    // Usage restrictions
+    bool mCpuWrite;
+    bool mCpuRead;
+    bool mGpuWrite;
+    bool mGpuRead;
+
+    // more usage hint data from the application
+    // which can be used by a driver to pick the best memory type.
+    // Likely ignored for now
+    float mReadWriteRatio;
+    float mUpdateSize;
+
+
+    // Is this a legal structure to be used as a texture source.
+    // Initially this will require 1D or 2D and color data
+    bool mIsTexture;
+    uint32_t mTextureID;
+
+    // Is this a legal structure to be used as a vertex source.
+    // Initially this will require 1D and x(yzw).  Additional per element data
+    // is allowed.
+    bool mIsVertexBuffer;
+    uint32_t mBufferID;
+};
+
+}
+}
+#endif
+