pass data (xyz, uv) with 1 buffer to shader,

bugs:
2 triangles are not painted, one is wrong positioned

MshViewer/Header/OpenGLController.h

@@ -6,6 +6,23 @@
 #include <vector>
 #include "Object.h"
 
+#define VERTEX_INDEX_XYZ		0
+#define VERTEX_INDEX_UV			1
+
+#define VERTEX_COMPONENTS_XYZ	3
+#define VERTEX_COMPONENTS_UV	4
+
+#define VERTEX_SIZE_XYZ			(sizeof(float) * VERTEX_COMPONENTS_XYZ)
+#define VERTEX_SIZE_UV			(sizeof(float) * VERTEX_COMPONENTS_UV)
+
+#define VERTEX_OFFSET_XYZ		0
+#define VERTEX_OFFSET_UV		(VERTEX_SIZE_XYZ)
+
+struct Vertex {
+	GLfloat position[3];
+	GLfloat uv[2];
+};
+
 class OpenGLController
 {
 ////////////////////////////////////////////////////////////////////////////////////////////
@@ -35,10 +52,10 @@ private:
 // IDs ==========================
 	//object data
 	GLuint gluiVertexArrayID;
+	GLuint gluiInstanceBufferID;
 	GLuint gluiVertexBufferID;
 
 	//obj color
-	GLuint gluiUVBufferID;
 	GLuint gluiTextureID;
 	GLuint gluiShaderPrgmID;
 	GLuint gluiSamplerID;