Move geometry files.
TRAC #15649
Signed-off-by: Daniel Koch
Author: Nicolas Capens
git-svn-id: https://angleproject.googlecode.com/svn/trunk@564 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/IndexDataManager.h b/src/libGLESv2/IndexDataManager.h
new file mode 100644
index 0000000..0889510
--- /dev/null
+++ b/src/libGLESv2/IndexDataManager.h
@@ -0,0 +1,120 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexDataManager.h: Defines the IndexDataManager, a class that
+// runs the Buffer translation process for index buffers.
+
+#ifndef LIBGLESV2_INDEXDATAMANAGER_H_
+#define LIBGLESV2_INDEXDATAMANAGER_H_
+
+#include <vector>
+#include <cstddef>
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include "libGLESv2/Context.h"
+
+namespace gl
+{
+
+struct TranslatedIndexData
+{
+ UINT minIndex;
+ UINT maxIndex;
+ UINT startIndex;
+
+ IDirect3DIndexBuffer9 *indexBuffer;
+};
+
+class IndexBuffer
+{
+ public:
+ IndexBuffer(IDirect3DDevice9 *device, UINT size, D3DFORMAT format);
+ virtual ~IndexBuffer();
+
+ UINT size() const { return mBufferSize; }
+ virtual void *map(UINT requiredSpace, UINT *offset) = 0;
+ void unmap();
+ virtual void reserveSpace(UINT requiredSpace, GLenum type) = 0;
+
+ IDirect3DIndexBuffer9 *getBuffer() const;
+
+ protected:
+ IDirect3DDevice9 *const mDevice;
+
+ IDirect3DIndexBuffer9 *mIndexBuffer;
+ UINT mBufferSize;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(IndexBuffer);
+};
+
+class StreamingIndexBuffer : public IndexBuffer
+{
+ public:
+ StreamingIndexBuffer(IDirect3DDevice9 *device, UINT initialSize, D3DFORMAT format);
+ ~StreamingIndexBuffer();
+
+ void *map(UINT requiredSpace, UINT *offset);
+ void reserveSpace(UINT requiredSpace, GLenum type);
+
+ private:
+ UINT mWritePosition;
+};
+
+class StaticIndexBuffer : public IndexBuffer
+{
+ public:
+ explicit StaticIndexBuffer(IDirect3DDevice9 *device);
+ ~StaticIndexBuffer();
+
+ void *map(UINT requiredSpace, UINT *offset);
+ void reserveSpace(UINT requiredSpace, GLenum type);
+
+ bool lookupType(GLenum type);
+ UINT lookupRange(intptr_t offset, GLsizei count, UINT *minIndex, UINT *maxIndex); // Returns the offset into the index buffer, or -1 if not found
+ void addRange(intptr_t offset, GLsizei count, UINT minIndex, UINT maxIndex, UINT streamOffset);
+
+ private:
+ GLenum mCacheType;
+
+ struct IndexRange
+ {
+ intptr_t offset;
+ GLsizei count;
+
+ UINT minIndex;
+ UINT maxIndex;
+ UINT streamOffset;
+ };
+
+ std::vector<IndexRange> mCache;
+};
+
+class IndexDataManager
+{
+ public:
+ IndexDataManager(Context *context, IDirect3DDevice9 *evice);
+ virtual ~IndexDataManager();
+
+ GLenum prepareIndexData(GLenum type, GLsizei count, Buffer *arrayElementBuffer, const void *indices, TranslatedIndexData *translated);
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(IndexDataManager);
+
+ std::size_t typeSize(GLenum type) const;
+ std::size_t indexSize(D3DFORMAT format) const;
+
+ IDirect3DDevice9 *const mDevice;
+
+ StreamingIndexBuffer *mStreamingBufferShort;
+ StreamingIndexBuffer *mStreamingBufferInt;
+};
+
+}
+
+#endif // LIBGLESV2_INDEXDATAMANAGER_H_