text: const char *Shader_vertexcolor_Attribute_String[] = { "inPosition", "inColor" };
  
  char Shader_vertexcolor_VS_String[] = 
  	"																	\n"\
  	"attribute highp vec3 inPosition;									\n"\
  	"attribute lowp vec4 inColor;										\n"\
  
  	"uniform highp mat4 modelViewProjMatrix;							\n"\
  
  	"varying lowp vec4 vVertexColor;									\n"\
  	"																	\n"\
  	" void main()														\n"\
  	" {																	\n"\
  	" 	gl_Position = modelViewProjMatrix * vec4(inPosition, 1.0);		\n"\
  	"   vVertexColor = inColor;											\n"\
  	" }																	\n"\
  	"";
  
  char Shader_vertexcolor_PS_String[] = 
  	"																	\n"\
  	"varying lowp vec4 vVertexColor;									\n"\
  
  	"uniform lowp vec4 vMaterialColor;									\n"\
  
  	"void main()														\n"\
  	"{																	\n"\
  	"	gl_FragColor = vVertexColor;									\n"\
  	"	gl_FragColor.rgba *= vMaterialColor.rgba;						\n"\
  
  	"}																	\n"\
  
  	"";