*misc

1 files changed, 69 insertions, 0 deletions

diff --git a/source/modules/asura-core/graphics/gpu_buffer.h b/source/modules/asura-core/graphics/gpu_buffer.h
new file mode 100644
index 0000000..aba1157
--- /dev/null
+++ b/source/modules/asura-core/graphics/gpu_buffer.h
@@ -0,0 +1,69 @@
+#ifndef __ASURA_GPU_BUFFER_H__
+#define __ASURA_GPU_BUFFER_H__
+
+#include <asura-utils/exceptions/exception.h>
+#include <asura-utils/type.h>
+
+#include "gl.h"
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+		enum BufferType
+		{
+			BUFFER_TYPE_VERTEX, ///< ���㻺��
+			BUFFER_TYPE_INDEX,  ///< ��������
+		};
+
+		enum BufferUsage
+		{
+			BUFFER_USAGE_STREAM,  ///< �޸�һ�Σ�ʹ�ô�����
+			BUFFER_USAGE_DYNAMIC, ///< �޸�һ�Σ�����ʹ��
+			BUFFER_USAGE_STATIC,  ///< �����޸ĺ�ʹ��
+		};
+
+		///
+		/// GPU���壬�ֶ��㻺��������������֣�����ÿ�ζ����ڴ����Դ��ϴ����ݡ�
+		///
+		class GPUBuffer
+		{
+		public:
+
+			GPUBuffer(BufferType type, BufferUsage usage, size_t size) ASURA_THROW(Exception);
+			~GPUBuffer();
+
+			///
+			/// ��ʼ��\���»��棬���û��gpu buffer��Դ����Ϊ�dz�ʼ����������Ϊ�Ǹ��¡�
+			///
+			bool Fill(const void* data, size_t size, uint offset = 0) ASURA_THROW(Exception);
+
+			///
+			/// �󶨵���Ӧ��Ŀ���ϣ��������Ϳ���ʹ���ˡ�
+			///
+			void Bind();
+			void UnBind();
+
+			uint GetBufferSize();
+
+		private: 
+
+			GLenum mTarget;
+			GLuint mBuffer;
+			GLuint mUsage; 
+			uint   mSize;
+
+#if ASURA_DEBUG
+			///
+			/// ���ر����buffer���ݣ����Դ����ݱ���һ�£��������Ժ͸����Դ档
+			///
+			byte* mData; 
+#endif
+
+		};
+
+	}
+}
+
+#endif
\ No newline at end of file