1490 		std::ostringstream							usageBuf;  in generateProgramInterfaceProgramSources()  local
1516 		usageBuf <<	"highp vec4 readInputs()\n"  in generateProgramInterfaceProgramSources()
1528 				writeVariableReadAccumulateExpression(usageBuf,  in generateProgramInterfaceProgramSources()
1544 				writeInterfaceReadAccumulateExpression(usageBuf,  in generateProgramInterfaceProgramSources()
1560 					usageBuf << "	retValue += vec4(float(gl_VertexID));\n";  in generateProgramInterfaceProgramSources()
1566 					usageBuf << "	retValue += gl_FragCoord;\n";  in generateProgramInterfaceProgramSources()
1570 				usageBuf << "	retValue += gl_in[0].gl_Position;\n";  in generateProgramInterfaceProgramSources()
1574 				usageBuf << "	retValue += gl_in[0].gl_Position;\n";  in generateProgramInterfaceProgramSources()
1578 				usageBuf << "	retValue += gl_in[0].gl_Position;\n";  in generateProgramInterfaceProgramSources()
1584 					usageBuf << "	retValue += vec4(float(gl_NumWorkGroups.x));\n";  in generateProgramInterfaceProgramSources()
1590 		usageBuf <<	"	return retValue;\n"  in generateProgramInterfaceProgramSources()
1593 		usageBuf <<	"void writeOutputs(in highp vec4 dummyValue)\n"  in generateProgramInterfaceProgramSources()
1603 				writeVariableWriteExpression(usageBuf,  in generateProgramInterfaceProgramSources()
1619 				writeInterfaceWriteExpression(usageBuf, "dummyValue", interface, shader->getType(), program);  in generateProgramInterfaceProgramSources()
1627 			usageBuf << "	gl_Position = dummyValue;\n";  in generateProgramInterfaceProgramSources()
1629 			usageBuf << "	gl_Position = dummyValue;\n"  in generateProgramInterfaceProgramSources()
1632 			usageBuf << "	gl_out[gl_InvocationID].gl_Position = dummyValue;\n"  in generateProgramInterfaceProgramSources()
1640 			usageBuf << "	gl_Position = dummyValue;\n";  in generateProgramInterfaceProgramSources()
1647 				usageBuf << "	gl_FragDepth = dot(dummyValue.xy, dummyValue.xw);\n";  in generateProgramInterfaceProgramSources()
1649 				usageBuf << "	dummyOutputBlock.dummyValue = dummyValue;\n";  in generateProgramInterfaceProgramSources()
1652 		usageBuf <<	"}\n\n"  in generateProgramInterfaceProgramSources()
1668 		sources << glu::ShaderSource(shader->getType(), sourceBuf.str() + usageBuf.str());  in generateProgramInterfaceProgramSources()