hostsupport/hostopengles11/inc/GLESArray.h
branchbug235_bringup_0
changeset 53 c2ef9095503a
child 67 ca7e6949bf7a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopengles11/inc/GLESArray.h	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,87 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#ifndef _GLESARRAY_H_
+#define _GLESARRAY_H_
+
+#include <GLES/gl.h>
+#include <cstddef>
+#include "GLESBuffer.h"
+
+class GLESArrayPointer
+{
+public:
+	GLESArrayPointer();
+	GLESArrayPointer(const void* pointer, int stride, int size, GLenum type);
+
+	int Size() { return m_size; }
+	GLenum Type() { return m_type; }
+
+	bool operator!=(void* pointer) { return m_pointer != pointer; }
+	GLESArrayPointer& operator+=(int step) { m_pointer += step * m_stride; return *this; }
+	const void* operator[](int i) { return m_pointer + i * m_stride; }
+
+private:
+	const char* m_pointer;
+	int m_stride;
+	int m_size;
+	GLenum m_type;
+};
+
+class GLESArray
+{
+public:
+	GLESArray();
+	GLESArray(int size, GLenum type, int stride, void* pointer, const GLESBuffer* buffer, bool ownsData=false);
+	~GLESArray();
+
+	int Size() const { return m_size; }
+	GLenum Type() const { return m_type; }
+	int Stride() const { return m_stride; }
+	const void* Pointer() const { return m_pointer; }
+	GLESArrayPointer ArrayPointer() const;
+	const GLESBuffer* Buffer() const { return m_buffer; }
+	unsigned int BufferName() const { return m_buffer ? m_buffer->name : 0; }
+	const void* BufferPointer() const { return m_buffer ? m_buffer->data : NULL; }
+
+	GLESArray* Convert(int count) const;
+
+	void ReleaseBuffer() { m_buffer = NULL; }
+	
+private:
+	int m_size;
+	GLenum m_type;
+	int m_stride;
+	void* m_pointer;
+	bool m_ownsData;
+	const GLESBuffer* m_buffer;
+};
+
+#endif // _GLESARRAY_H_
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