- Unknown - ActiveProgramExt 
- AllShaderBitsExt 
- Alpha16fExt 
- Alpha32fExt 
- Alpha8Ext 
- AlreadySignaledApple 
- AnySamplesPassedConservativeExt 
- AnySamplesPassedExt 
- AppleCopyTextureLevels 
- AppleFramebufferMultisample 
- AppleRgb422 
- AppleSync 
- AppleTextureFormatBgra8888 
- AppleTextureMaxLevel 
- Bgra 
- Bgra8Ext 
- BgraExt 
- BgraImg 
- BufferAccessOes 
- BufferMappedOes 
- BufferMapPointerOes 
- BufferObjectExt 
- ColorExt 
- CompareRefToTextureExt 
- CompressedRgbaPvrtc2Bppv1Img 
- CompressedRgbaPvrtc4Bppv1Img 
- CompressedRgbPvrtc2Bppv1Img 
- CompressedRgbPvrtc4Bppv1Img 
- CompressedSrgbAlphaPvrtc2Bppv1Ext 
- CompressedSrgbAlphaPvrtc4Bppv1Ext 
- CompressedSrgbPvrtc2Bppv1Ext 
- CompressedSrgbPvrtc4Bppv1Ext 
- ConditionSatisfiedApple 
- CurrentQueryExt 
- Depth24Stencil8Oes 
- DepthComponent24Oes 
- DepthComponent32Oes 
- DepthExt 
- DepthStencilOes 
- DrawFramebufferApple 
- DrawFramebufferBindingApple 
- ExtBlendMinmax 
- ExtColorBufferHalfFloat 
- ExtDebugLabel 
- ExtDebugMarker 
- ExtDiscardFramebuffer 
- ExtDrawInstanced 
- ExtInstancedArrays 
- ExtMapBufferRange 
- ExtMultiDrawArrays 
- ExtOcclusionQueryBoolean 
- ExtPvrtcSrgb 
- ExtReadFormatBgra 
- ExtSeparateShaderObjects 
- ExtShaderFramebufferFetch 
- ExtShaderTextureLod 
- ExtShadowSamplers 
- ExtSrgb 
- ExtTextureFilterAnisotropic 
- ExtTextureRg 
- ExtTextureStorage 
- FragmentShaderBitExt 
- FragmentShaderDerivativeHintOes 
- FragmentShaderDiscardsSamplesExt 
- FramebufferAttachmentColorEncodingExt 
- FramebufferAttachmentComponentTypeExt 
- FramebufferIncompleteMultisampleApple 
- HalfFloatOes 
- ImgReadFormat 
- ImgTextureCompressionPvrtc 
- ImgTextureFormatBgra8888 
- Luminance16fExt 
- Luminance32fExt 
- Luminance8Alpha8Ext 
- Luminance8Ext 
- LuminanceAlpha16fExt 
- LuminanceAlpha32fExt 
- MapFlushExplicitBitExt 
- MapInvalidateBufferBitExt 
- MapInvalidateRangeBitExt 
- MapReadBitExt 
- MapUnsynchronizedBitExt 
- MapWriteBitExt 
- MaxExt 
- MaxSamplesApple 
- MaxServerWaitTimeoutApple 
- MaxTextureMaxAnisotropyExt 
- MinExt 
- ObjectTypeApple 
- OesDepth24 
- OesDepthTexture 
- OesElementIndexUint 
- OesFboRenderMipmap 
- OesMapbuffer 
- OesPackedDepthStencil 
- OesRgb8Rgba8 
- OesStandardDerivatives 
- OesTextureFloat 
- OesTextureHalfFloat 
- OesTextureHalfFloatLinear 
- OesVertexArrayObject 
- ProgramObjectExt 
- ProgramPipelineBindingExt 
- ProgramPipelineObjectExt 
- ProgramSeparableExt 
- QueryObjectExt 
- QueryResultAvailableExt 
- QueryResultExt 
- R16fExt 
- R32fExt 
- R8Ext 
- ReadFramebufferApple 
- ReadFramebufferBindingApple 
- RedExt 
- RenderbufferSamplesApple 
- Rg16fExt 
- Rg32fExt 
- Rg8Ext 
- Rgb16fExt 
- Rgb32fExt 
- Rgb422Apple 
- Rgb8Oes 
- Rgba16fExt 
- Rgba32fExt 
- Rgba8Oes 
- RgbRaw422Apple 
- RgExt 
- Sampler2DShadowExt 
- ShaderObjectExt 
- SignaledApple 
- Srgb8Alpha8Ext 
- SrgbAlphaExt 
- SrgbExt 
- StencilExt 
- SyncConditionApple 
- SyncFenceApple 
- SyncFlagsApple 
- SyncFlushCommandsBitApple 
- SyncGpuCommandsCompleteApple 
- SyncObjectApple 
- SyncStatusApple 
- TextureCompareFuncExt 
- TextureCompareModeExt 
- TextureImmutableFormatExt 
- TextureMaxAnisotropyExt 
- TextureMaxLevelApple 
- TimeoutExpiredApple 
- TimeoutIgnoredApple 
- UnsignaledApple 
- UnsignedInt248Oes 
- UnsignedNormalizedExt 
- UnsignedShort1555Rev 
- UnsignedShort1555RevExt 
- UnsignedShort4444Rev 
- UnsignedShort4444RevExt 
- UnsignedShort4444RevImg 
- UnsignedShort88Apple 
- UnsignedShort88RevApple 
- VertexArrayBindingOes 
- VertexArrayObjectExt 
- VertexAttribArrayDivisorExt 
- VertexShaderBitExt 
- WaitFailedApple 
- WriteOnlyOes 
 
xamarinios
    namespace OpenTK.Graphics.ES20
{
    public enum Unknown
    {
        Rg32fExt = 33328
    }
}
            | Xamarin iOS | 0.0 | 
|---|---|
| Xamarin tvOS | 0.0 | 
| Information specific to xamarinios | |
| Assembly | OpenTK-1.0 , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065 | 
| Referencing | The API is automatically referenced. | 
| Platform Restrictions | This framework does not have platform annotations. | 
- Built-in API
- Package-provided API