GL_NV_shading_rate_image
https://www.khronos.org/registry/OpenGL/extensions/NV/NV_shading_rate_image.txt
GL_NV_shading_rate_image

	GL_SHADING_RATE_IMAGE_BINDING_NV 0x955B
	GL_SHADING_RATE_IMAGE_TEXEL_WIDTH_NV 0x955C
	GL_SHADING_RATE_IMAGE_TEXEL_HEIGHT_NV 0x955D
	GL_SHADING_RATE_IMAGE_PALETTE_SIZE_NV 0x955E
	GL_MAX_COARSE_FRAGMENT_SAMPLES_NV 0x955F
	GL_SHADING_RATE_IMAGE_NV 0x9563
	GL_SHADING_RATE_NO_INVOCATIONS_NV 0x9564
	GL_SHADING_RATE_1_INVOCATION_PER_PIXEL_NV 0x9565
	GL_SHADING_RATE_1_INVOCATION_PER_1X2_PIXELS_NV 0x9566
	GL_SHADING_RATE_1_INVOCATION_PER_2X1_PIXELS_NV 0x9567
	GL_SHADING_RATE_1_INVOCATION_PER_2X2_PIXELS_NV 0x9568
	GL_SHADING_RATE_1_INVOCATION_PER_2X4_PIXELS_NV 0x9569
	GL_SHADING_RATE_1_INVOCATION_PER_4X2_PIXELS_NV 0x956A
	GL_SHADING_RATE_1_INVOCATION_PER_4X4_PIXELS_NV 0x956B
	GL_SHADING_RATE_2_INVOCATIONS_PER_PIXEL_NV 0x956C
	GL_SHADING_RATE_4_INVOCATIONS_PER_PIXEL_NV 0x956D
	GL_SHADING_RATE_8_INVOCATIONS_PER_PIXEL_NV 0x956E
	GL_SHADING_RATE_16_INVOCATIONS_PER_PIXEL_NV 0x956F
	GL_SHADING_RATE_SAMPLE_ORDER_DEFAULT_NV 0x95AE
	GL_SHADING_RATE_SAMPLE_ORDER_PIXEL_MAJOR_NV 0x95AF
	GL_SHADING_RATE_SAMPLE_ORDER_SAMPLE_MAJOR_NV 0x95B0
	void glBindShadingRateImageNV (GLuint texture)
	void glGetShadingRateImagePaletteNV (GLuint viewport, GLuint entry, GLenum* rate)
	void glGetShadingRateSampleLocationivNV (GLenum rate, GLuint samples, GLuint index, GLint* location)
	void glShadingRateImageBarrierNV (GLenum order)
	void glShadingRateImagePaletteNV (GLuint viewport, GLuint first, GLsizei count, const GLenum* rates)
	void glShadingRateSampleOrderCustomNV (GLenum rate, GLuint samples, const GLint* locations)
