1GL_AMD_performance_monitor 2http://www.opengl.org/registry/specs/AMD/performance_monitor.txt 3GL_AMD_performance_monitor 4 GL_COUNTER_TYPE_AMD 0x8BC0 5 GL_COUNTER_RANGE_AMD 0x8BC1 6 GL_UNSIGNED_INT64_AMD 0x8BC2 7 GL_PERCENTAGE_AMD 0x8BC3 8 GL_PERFMON_RESULT_AVAILABLE_AMD 0x8BC4 9 GL_PERFMON_RESULT_SIZE_AMD 0x8BC5 10 GL_PERFMON_RESULT_AMD 0x8BC6 11 void glBeginPerfMonitorAMD (GLuint monitor) 12 void glDeletePerfMonitorsAMD (GLsizei n, GLuint* monitors) 13 void glEndPerfMonitorAMD (GLuint monitor) 14 void glGenPerfMonitorsAMD (GLsizei n, GLuint* monitors) 15 void glGetPerfMonitorCounterDataAMD (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint* data, GLint *bytesWritten) 16 void glGetPerfMonitorCounterInfoAMD (GLuint group, GLuint counter, GLenum pname, void* data) 17 void glGetPerfMonitorCounterStringAMD (GLuint group, GLuint counter, GLsizei bufSize, GLsizei* length, GLchar *counterString) 18 void glGetPerfMonitorCountersAMD (GLuint group, GLint* numCounters, GLint *maxActiveCounters, GLsizei countersSize, GLuint *counters) 19 void glGetPerfMonitorGroupStringAMD (GLuint group, GLsizei bufSize, GLsizei* length, GLchar *groupString) 20 void glGetPerfMonitorGroupsAMD (GLint* numGroups, GLsizei groupsSize, GLuint *groups) 21 void glSelectPerfMonitorCountersAMD (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint* counterList) 22