-/* GLeglImageOES defined in GL_OES_EGL_image already. */
-#define GL_TEXTURE_EXTERNAL_OES 0x8D65
-#define GL_SAMPLER_EXTERNAL_OES 0x8D66
-#define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
-#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
-#endif
-
-/* GL_OES_element_index_uint */
-#ifndef GL_OES_element_index_uint
-#define GL_UNSIGNED_INT 0x1405
-#endif
-
-/* GL_OES_get_program_binary */
-#ifndef GL_OES_get_program_binary
-#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
-#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
-#define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF
-#endif
-
-/* GL_OES_mapbuffer */
-#ifndef GL_OES_mapbuffer
-#define GL_WRITE_ONLY_OES 0x88B9
-#define GL_BUFFER_ACCESS_OES 0x88BB
-#define GL_BUFFER_MAPPED_OES 0x88BC
-#define GL_BUFFER_MAP_POINTER_OES 0x88BD
-#endif
-
-/* GL_OES_packed_depth_stencil */
-#ifndef GL_OES_packed_depth_stencil
-#define GL_DEPTH_STENCIL_OES 0x84F9
-#define GL_UNSIGNED_INT_24_8_OES 0x84FA
-#define GL_DEPTH24_STENCIL8_OES 0x88F0
-#endif
-
-/* GL_OES_rgb8_rgba8 */
-#ifndef GL_OES_rgb8_rgba8
-#define GL_RGB8_OES 0x8051
-#define GL_RGBA8_OES 0x8058
-#endif
-
-/* GL_OES_standard_derivatives */
-#ifndef GL_OES_standard_derivatives
-#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B
-#endif
-
-/* GL_OES_stencil1 */
-#ifndef GL_OES_stencil1
-#define GL_STENCIL_INDEX1_OES 0x8D46
-#endif
-
-/* GL_OES_stencil4 */
-#ifndef GL_OES_stencil4
-#define GL_STENCIL_INDEX4_OES 0x8D47
-#endif
-
-/* GL_OES_texture_3D */
-#ifndef GL_OES_texture_3D
-#define GL_TEXTURE_WRAP_R_OES 0x8072
-#define GL_TEXTURE_3D_OES 0x806F
-#define GL_TEXTURE_BINDING_3D_OES 0x806A
-#define GL_MAX_3D_TEXTURE_SIZE_OES 0x8073
-#define GL_SAMPLER_3D_OES 0x8B5F
-#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_OES 0x8CD4
-#endif
-
-/* GL_OES_texture_float */
-/* No new tokens introduced by this extension. */
-
-/* GL_OES_texture_float_linear */
-/* No new tokens introduced by this extension. */
-
-/* GL_OES_texture_half_float */
-#ifndef GL_OES_texture_half_float
-#define GL_HALF_FLOAT_OES 0x8D61
-#endif
-
-/* GL_OES_texture_half_float_linear */
-/* No new tokens introduced by this extension. */
-
-/* GL_OES_texture_npot */
-/* No new tokens introduced by this extension. */
-
-/* GL_OES_vertex_array_object */
-#ifndef GL_OES_vertex_array_object
-#define GL_VERTEX_ARRAY_BINDING_OES 0x85B5
-#endif
-
-/* GL_OES_vertex_half_float */
-/* GL_HALF_FLOAT_OES defined in GL_OES_texture_half_float already. */
-
-/* GL_OES_vertex_type_10_10_10_2 */
-#ifndef GL_OES_vertex_type_10_10_10_2
-#define GL_UNSIGNED_INT_10_10_10_2_OES 0x8DF6
-#define GL_INT_10_10_10_2_OES 0x8DF7
-#endif
-
-/*------------------------------------------------------------------------*
- * AMD extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_AMD_compressed_3DC_texture */
-#ifndef GL_AMD_compressed_3DC_texture
-#define GL_3DC_X_AMD 0x87F9
-#define GL_3DC_XY_AMD 0x87FA
-#endif
-
-/* GL_AMD_compressed_ATC_texture */
-#ifndef GL_AMD_compressed_ATC_texture
-#define GL_ATC_RGB_AMD 0x8C92
-#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
-#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
-#endif
-
-/* GL_AMD_performance_monitor */
-#ifndef GL_AMD_performance_monitor
-#define GL_COUNTER_TYPE_AMD 0x8BC0
-#define GL_COUNTER_RANGE_AMD 0x8BC1
-#define GL_UNSIGNED_INT64_AMD 0x8BC2
-#define GL_PERCENTAGE_AMD 0x8BC3
-#define GL_PERFMON_RESULT_AVAILABLE_AMD 0x8BC4
-#define GL_PERFMON_RESULT_SIZE_AMD 0x8BC5
-#define GL_PERFMON_RESULT_AMD 0x8BC6
-#endif
-
-/* GL_AMD_program_binary_Z400 */
-#ifndef GL_AMD_program_binary_Z400
-#define GL_Z400_BINARY_AMD 0x8740
-#endif
-
-/*------------------------------------------------------------------------*
- * ANGLE extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_ANGLE_framebuffer_blit */
-#ifndef GL_ANGLE_framebuffer_blit
-#define GL_READ_FRAMEBUFFER_ANGLE 0x8CA8
-#define GL_DRAW_FRAMEBUFFER_ANGLE 0x8CA9
-#define GL_DRAW_FRAMEBUFFER_BINDING_ANGLE 0x8CA6
-#define GL_READ_FRAMEBUFFER_BINDING_ANGLE 0x8CAA
-#endif
-
-/* GL_ANGLE_framebuffer_multisample */
-#ifndef GL_ANGLE_framebuffer_multisample
-#define GL_RENDERBUFFER_SAMPLES_ANGLE 0x8CAB
-#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_ANGLE 0x8D56
-#define GL_MAX_SAMPLES_ANGLE 0x8D57
-#endif
-
-/*------------------------------------------------------------------------*
- * APPLE extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_APPLE_rgb_422 */
-#ifndef GL_APPLE_rgb_422
-#define GL_RGB_422_APPLE 0x8A1F
-#define GL_UNSIGNED_SHORT_8_8_APPLE 0x85BA
-#define GL_UNSIGNED_SHORT_8_8_REV_APPLE 0x85BB
-#endif
-
-/* GL_APPLE_framebuffer_multisample */
-#ifndef GL_APPLE_framebuffer_multisample
-#define GL_RENDERBUFFER_SAMPLES_APPLE 0x8CAB
-#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_APPLE 0x8D56
-#define GL_MAX_SAMPLES_APPLE 0x8D57
-#define GL_READ_FRAMEBUFFER_APPLE 0x8CA8
-#define GL_DRAW_FRAMEBUFFER_APPLE 0x8CA9
-#define GL_DRAW_FRAMEBUFFER_BINDING_APPLE 0x8CA6
-#define GL_READ_FRAMEBUFFER_BINDING_APPLE 0x8CAA
-#endif
-
-/* GL_APPLE_texture_format_BGRA8888 */
-#ifndef GL_APPLE_texture_format_BGRA8888
-#define GL_BGRA_EXT 0x80E1
-#endif
-
-/* GL_APPLE_texture_max_level */
-#ifndef GL_APPLE_texture_max_level
-#define GL_TEXTURE_MAX_LEVEL_APPLE 0x813D
-#endif
-
-/*------------------------------------------------------------------------*
- * ARM extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_ARM_mali_shader_binary */
-#ifndef GL_ARM_mali_shader_binary
-#define GL_MALI_SHADER_BINARY_ARM 0x8F60
-#endif
-
-/* GL_ARM_rgba8 */
-/* No new tokens introduced by this extension. */
-
-/*------------------------------------------------------------------------*
- * EXT extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_EXT_blend_minmax */
-#ifndef GL_EXT_blend_minmax
-#define GL_MIN_EXT 0x8007
-#define GL_MAX_EXT 0x8008
-#endif
-
-/* GL_EXT_discard_framebuffer */
-#ifndef GL_EXT_discard_framebuffer
-#define GL_COLOR_EXT 0x1800
-#define GL_DEPTH_EXT 0x1801
-#define GL_STENCIL_EXT 0x1802
-#endif
-
-/* GL_EXT_multi_draw_arrays */
-/* No new tokens introduced by this extension. */
-
-/* GL_EXT_read_format_bgra */
-#ifndef GL_EXT_read_format_bgra
-#define GL_BGRA_EXT 0x80E1
-#define GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT 0x8365
-#define GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT 0x8366
-#endif
-
-/* GL_EXT_shader_texture_lod */
-/* No new tokens introduced by this extension. */
-
-/* GL_EXT_texture_filter_anisotropic */
-#ifndef GL_EXT_texture_filter_anisotropic
-#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
-#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
-#endif
-
-/* GL_EXT_texture_format_BGRA8888 */
-#ifndef GL_EXT_texture_format_BGRA8888
-#define GL_BGRA_EXT 0x80E1
-#endif
-
-/* GL_EXT_texture_type_2_10_10_10_REV */
-#ifndef GL_EXT_texture_type_2_10_10_10_REV
-#define GL_UNSIGNED_INT_2_10_10_10_REV_EXT 0x8368
-#endif
-
-/* GL_EXT_texture_compression_dxt1 */
-#ifndef GL_EXT_texture_compression_dxt1
-#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
-#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
-#endif
-
-/* GL_EXT_unpack_subimage */
-#ifndef GL_EXT_unpack_subimage
-#define GL_UNPACK_ROW_LENGTH 0x0CF2
-#define GL_UNPACK_SKIP_ROWS 0x0CF3
-#define GL_UNPACK_SKIP_PIXELS 0x0CF4
-#endif
-
-/*------------------------------------------------------------------------*
- * DMP extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_DMP_shader_binary */
-#ifndef GL_DMP_shader_binary
-#define GL_SHADER_BINARY_DMP 0x9250
-#endif
-
-/*------------------------------------------------------------------------*
- * IMG extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_IMG_program_binary */
-#ifndef GL_IMG_program_binary
-#define GL_SGX_PROGRAM_BINARY_IMG 0x9130
-#endif
-
-/* GL_IMG_read_format */
-#ifndef GL_IMG_read_format
-#define GL_BGRA_IMG 0x80E1
-#define GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG 0x8365
-#endif
-
-/* GL_IMG_shader_binary */
-#ifndef GL_IMG_shader_binary
-#define GL_SGX_BINARY_IMG 0x8C0A
-#endif
-
-/* GL_IMG_texture_compression_pvrtc */
-#ifndef GL_IMG_texture_compression_pvrtc
-#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
-#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
-#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
-#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
-#endif
-
-/* GL_IMG_multisampled_render_to_texture */
-#ifndef GL_IMG_multisampled_render_to_texture
-#define GL_RENDERBUFFER_SAMPLES_IMG 0x9133
-#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134
-#define GL_MAX_SAMPLES_IMG 0x9135
-#define GL_TEXTURE_SAMPLES_IMG 0x9136
-#endif
-
-/*------------------------------------------------------------------------*
- * NV extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_NV_coverage_sample */
-#ifndef GL_NV_coverage_sample
-#define GL_COVERAGE_COMPONENT_NV 0x8ED0
-#define GL_COVERAGE_COMPONENT4_NV 0x8ED1
-#define GL_COVERAGE_ATTACHMENT_NV 0x8ED2
-#define GL_COVERAGE_BUFFERS_NV 0x8ED3
-#define GL_COVERAGE_SAMPLES_NV 0x8ED4
-#define GL_COVERAGE_ALL_FRAGMENTS_NV 0x8ED5
-#define GL_COVERAGE_EDGE_FRAGMENTS_NV 0x8ED6
-#define GL_COVERAGE_AUTOMATIC_NV 0x8ED7
-#define GL_COVERAGE_BUFFER_BIT_NV 0x8000
-#endif
-
-/* GL_NV_depth_nonlinear */
-#ifndef GL_NV_depth_nonlinear
-#define GL_DEPTH_COMPONENT16_NONLINEAR_NV 0x8E2C
-#endif
-
-/* GL_NV_draw_buffers */
-#ifndef GL_NV_draw_buffers
-#define GL_MAX_DRAW_BUFFERS_NV 0x8824
-#define GL_DRAW_BUFFER0_NV 0x8825
-#define GL_DRAW_BUFFER1_NV 0x8826
-#define GL_DRAW_BUFFER2_NV 0x8827
-#define GL_DRAW_BUFFER3_NV 0x8828
-#define GL_DRAW_BUFFER4_NV 0x8829
-#define GL_DRAW_BUFFER5_NV 0x882A
-#define GL_DRAW_BUFFER6_NV 0x882B
-#define GL_DRAW_BUFFER7_NV 0x882C
-#define GL_DRAW_BUFFER8_NV 0x882D
-#define GL_DRAW_BUFFER9_NV 0x882E
-#define GL_DRAW_BUFFER10_NV 0x882F
-#define GL_DRAW_BUFFER11_NV 0x8830
-#define GL_DRAW_BUFFER12_NV 0x8831
-#define GL_DRAW_BUFFER13_NV 0x8832
-#define GL_DRAW_BUFFER14_NV 0x8833
-#define GL_DRAW_BUFFER15_NV 0x8834
-#define GL_COLOR_ATTACHMENT0_NV 0x8CE0
-#define GL_COLOR_ATTACHMENT1_NV 0x8CE1
-#define GL_COLOR_ATTACHMENT2_NV 0x8CE2
-#define GL_COLOR_ATTACHMENT3_NV 0x8CE3
-#define GL_COLOR_ATTACHMENT4_NV 0x8CE4
-#define GL_COLOR_ATTACHMENT5_NV 0x8CE5
-#define GL_COLOR_ATTACHMENT6_NV 0x8CE6
-#define GL_COLOR_ATTACHMENT7_NV 0x8CE7
-#define GL_COLOR_ATTACHMENT8_NV 0x8CE8
-#define GL_COLOR_ATTACHMENT9_NV 0x8CE9
-#define GL_COLOR_ATTACHMENT10_NV 0x8CEA
-#define GL_COLOR_ATTACHMENT11_NV 0x8CEB
-#define GL_COLOR_ATTACHMENT12_NV 0x8CEC
-#define GL_COLOR_ATTACHMENT13_NV 0x8CED
-#define GL_COLOR_ATTACHMENT14_NV 0x8CEE
-#define GL_COLOR_ATTACHMENT15_NV 0x8CEF
-#endif
-
-/* GL_NV_fbo_color_attachments */
-#ifndef GL_NV_fbo_color_attachments
-#define GL_MAX_COLOR_ATTACHMENTS_NV 0x8CDF
-/* GL_COLOR_ATTACHMENT{0-15}_NV defined in GL_NV_draw_buffers already. */
-#endif
-
-/* GL_NV_fence */
-#ifndef GL_NV_fence
-#define GL_ALL_COMPLETED_NV 0x84F2
-#define GL_FENCE_STATUS_NV 0x84F3
-#define GL_FENCE_CONDITION_NV 0x84F4
-#endif
-
-/* GL_NV_read_buffer */
-#ifndef GL_NV_read_buffer
-#define GL_READ_BUFFER_NV 0x0C02
-#endif
-
-/* GL_NV_read_buffer_front */
-/* No new tokens introduced by this extension. */
-
-/* GL_NV_read_depth */
-/* No new tokens introduced by this extension. */
-
-/* GL_NV_read_depth_stencil */
-/* No new tokens introduced by this extension. */
-
-/* GL_NV_read_stencil */
-/* No new tokens introduced by this extension. */
-
-/* GL_NV_texture_compression_s3tc_update */
-/* No new tokens introduced by this extension. */
-
-/* GL_NV_texture_npot_2D_mipmap */
-/* No new tokens introduced by this extension. */
-
-/*------------------------------------------------------------------------*
- * QCOM extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_QCOM_alpha_test */
-#ifndef GL_QCOM_alpha_test
-#define GL_ALPHA_TEST_QCOM 0x0BC0
-#define GL_ALPHA_TEST_FUNC_QCOM 0x0BC1
-#define GL_ALPHA_TEST_REF_QCOM 0x0BC2
-#endif
-
-/* GL_QCOM_driver_control */
-/* No new tokens introduced by this extension. */
-
-/* GL_QCOM_extended_get */
-#ifndef GL_QCOM_extended_get
-#define GL_TEXTURE_WIDTH_QCOM 0x8BD2
-#define GL_TEXTURE_HEIGHT_QCOM 0x8BD3
-#define GL_TEXTURE_DEPTH_QCOM 0x8BD4
-#define GL_TEXTURE_INTERNAL_FORMAT_QCOM 0x8BD5
-#define GL_TEXTURE_FORMAT_QCOM 0x8BD6
-#define GL_TEXTURE_TYPE_QCOM 0x8BD7
-#define GL_TEXTURE_IMAGE_VALID_QCOM 0x8BD8
-#define GL_TEXTURE_NUM_LEVELS_QCOM 0x8BD9
-#define GL_TEXTURE_TARGET_QCOM 0x8BDA
-#define GL_TEXTURE_OBJECT_VALID_QCOM 0x8BDB
-#define GL_STATE_RESTORE 0x8BDC
-#endif
-
-/* GL_QCOM_extended_get2 */
-/* No new tokens introduced by this extension. */
-
-/* GL_QCOM_perfmon_global_mode */
-#ifndef GL_QCOM_perfmon_global_mode
-#define GL_PERFMON_GLOBAL_MODE_QCOM 0x8FA0
-#endif
-
-/* GL_QCOM_writeonly_rendering */
-#ifndef GL_QCOM_writeonly_rendering
-#define GL_WRITEONLY_RENDERING_QCOM 0x8823
-#endif
-
-/* GL_QCOM_tiled_rendering */
-#ifndef GL_QCOM_tiled_rendering
-#define GL_COLOR_BUFFER_BIT0_QCOM 0x00000001
-#define GL_COLOR_BUFFER_BIT1_QCOM 0x00000002
-#define GL_COLOR_BUFFER_BIT2_QCOM 0x00000004
-#define GL_COLOR_BUFFER_BIT3_QCOM 0x00000008
-#define GL_COLOR_BUFFER_BIT4_QCOM 0x00000010
-#define GL_COLOR_BUFFER_BIT5_QCOM 0x00000020
-#define GL_COLOR_BUFFER_BIT6_QCOM 0x00000040
-#define GL_COLOR_BUFFER_BIT7_QCOM 0x00000080
-#define GL_DEPTH_BUFFER_BIT0_QCOM 0x00000100
-#define GL_DEPTH_BUFFER_BIT1_QCOM 0x00000200
-#define GL_DEPTH_BUFFER_BIT2_QCOM 0x00000400
-#define GL_DEPTH_BUFFER_BIT3_QCOM 0x00000800
-#define GL_DEPTH_BUFFER_BIT4_QCOM 0x00001000
-#define GL_DEPTH_BUFFER_BIT5_QCOM 0x00002000
-#define GL_DEPTH_BUFFER_BIT6_QCOM 0x00004000
-#define GL_DEPTH_BUFFER_BIT7_QCOM 0x00008000
-#define GL_STENCIL_BUFFER_BIT0_QCOM 0x00010000
-#define GL_STENCIL_BUFFER_BIT1_QCOM 0x00020000
-#define GL_STENCIL_BUFFER_BIT2_QCOM 0x00040000
-#define GL_STENCIL_BUFFER_BIT3_QCOM 0x00080000
-#define GL_STENCIL_BUFFER_BIT4_QCOM 0x00100000
-#define GL_STENCIL_BUFFER_BIT5_QCOM 0x00200000
-#define GL_STENCIL_BUFFER_BIT6_QCOM 0x00400000
-#define GL_STENCIL_BUFFER_BIT7_QCOM 0x00800000
-#define GL_MULTISAMPLE_BUFFER_BIT0_QCOM 0x01000000
-#define GL_MULTISAMPLE_BUFFER_BIT1_QCOM 0x02000000
-#define GL_MULTISAMPLE_BUFFER_BIT2_QCOM 0x04000000
-#define GL_MULTISAMPLE_BUFFER_BIT3_QCOM 0x08000000
-#define GL_MULTISAMPLE_BUFFER_BIT4_QCOM 0x10000000
-#define GL_MULTISAMPLE_BUFFER_BIT5_QCOM 0x20000000
-#define GL_MULTISAMPLE_BUFFER_BIT6_QCOM 0x40000000
-#define GL_MULTISAMPLE_BUFFER_BIT7_QCOM 0x80000000
-#endif
-
-/*------------------------------------------------------------------------*
- * VIV extension tokens
- *------------------------------------------------------------------------*/
-
-/* GL_VIV_shader_binary */
-#ifndef GL_VIV_shader_binary
-#define GL_SHADER_BINARY_VIV 0x8FC4
-#endif
-
-/*------------------------------------------------------------------------*
- * End of extension tokens, start of corresponding extension functions
- *------------------------------------------------------------------------*/