1 files changed, 35 insertions, 0 deletions
diff --git a/Runtime/Graphics/VertexAttribute.h b/Runtime/Graphics/VertexAttribute.h
new file mode 100644
index 0000000..2e6e59f
--- /dev/null
+++ b/Runtime/Graphics/VertexAttribute.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <vector>
+
+#include "../Utilities/UtilMacros.h"
+#include "../Shaders/ShaderChannel.h"
+
+#include "OpenGL.h"
+#include "GPUDataBuffer.h"
+
+// component format
+enum VertexAttrFormat
+{
+	VertexAttrFormat_Float = 0,   // position\normal\tangent\uv\uv2\uv3\uv4
+	VertexAttrFormat_Float16 = 1,
+	VertexAttrFormat_Color = 2,   // color
+	VertexAttrFormat_Byte = 3,
+
+	VertexAttrFormat_Count = 4
+};
+
+struct VertexAttributeDescriptor
+{
+	const void* pointer;  // 内存地址或显存中相对VBO的偏移值
+	uint componentNum;    // 向量维度1,2,3,4
+	uint componentFormat; // 每个分量的类型
+	uint16 stride;        // 间隔
+};
+
+namespace VertexAttribute
+{
+
+	extern GLenum ConvertAttrFormatToGLFormat(uint fmt);
+
+}