GL_NV_framebuffer_mixed_samples
http://www.opengl.org/registry/specs/NV/framebuffer_mixed_samples.txt
GL_NV_framebuffer_mixed_samples
	GL_COLOR_SAMPLES_NV 0x8E20
	GL_RASTER_MULTISAMPLE_EXT 0x9327
	GL_RASTER_SAMPLES_EXT 0x9328
	GL_MAX_RASTER_SAMPLES_EXT 0x9329
	GL_RASTER_FIXED_SAMPLE_LOCATIONS_EXT 0x932A
	GL_MULTISAMPLE_RASTERIZATION_ALLOWED_EXT 0x932B
	GL_EFFECTIVE_RASTER_SAMPLES_EXT 0x932C
	GL_DEPTH_SAMPLES_NV 0x932D
	GL_STENCIL_SAMPLES_NV 0x932E
	GL_MIXED_DEPTH_SAMPLES_SUPPORTED_NV 0x932F
	GL_MIXED_STENCIL_SAMPLES_SUPPORTED_NV 0x9330
	GL_COVERAGE_MODULATION_TABLE_NV 0x9331
	GL_COVERAGE_MODULATION_NV 0x9332
	GL_COVERAGE_MODULATION_TABLE_SIZE_NV 0x9333
