OGL_ OGL_FEATURE_ID_ALPHA_TEXTURES : number
OGL_ OGL_FEATURE_ID_BLIT_FRAMEBUFFER : number
OGL_ OGL_FEATURE_ID_EXT_PACKED_DEPTH_STENCIL : number
OGL_ OGL_FEATURE_ID_FENCE : number
OGL_FEATURE_ID_FORMAT_CONVERSION : number
OGL_ OGL_FEATURE_ID_MAP_BUFFER_FOR_READ : number
OGL_ OGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE : number
OGL_ OGL_FEATURE_ID_MESA_PACK_INVERT : number
OGL_ OGL_FEATURE_ID_OES_EGL_SYNC : number
OGL_ OGL_FEATURE_ID_OES_PACKED_DEPTH_STENCIL : number
OGL_ OGL_FEATURE_ID_PBOS : number
OGL_ OGL_FEATURE_ID_QUERY_FRAMEBUFFER_BITS : number
OGL_ OGL_FEATURE_ID_QUIRK_GENERATE_MIPMAP_NEEDS_FLUSH : number
OGL_ OGL_FEATURE_ID_READ_PIXELS_ANY_STRIDE : number
OGL_ OGL_FEATURE_ID_SAMPLER_OBJECTS : number
OGL_ OGL_FEATURE_ID_TEXTURE_2D_FROM_EGL_IMAGE : number
OGL_ OGL_FEATURE_ID_TEXTURE_EGL_IMAGE_EXTERNAL : number
OGL_ OGL_FEATURE_ID_TEXTURE_FORMAT_BGRA8888 : number
OGL_ OGL_FEATURE_ID_TEXTURE_FORMAT_SIZED_RGBA : number
OGL_ OGL_FEATURE_ID_TEXTURE_HALF_FLOAT : number
OGL_ OGL_FEATURE_ID_TEXTURE_LOD_BIAS : number
OGL_ OGL_FEATURE_ID_TEXTURE_MAX_LEVEL : number
OGL_ OGL_FEATURE_ID_TEXTURE_NORM16 : number
OGL_ OGL_FEATURE_ID_TEXTURE_RG : number
OGL_ OGL_FEATURE_ID_TEXTURE_RGBA1010102 : number
OGL_ OGL_FEATURE_ID_TEXTURE_SWIZZLE : number
OGL_ OGL_FEATURE_ID_TIMESTAMP_QUERY : number
OGL_ OGL_FEATURE_ID_UNPACK_SUBIMAGE : number
OGL_ OGL_FEATURE_ID_UNSIGNED_INT_INDICES : number
All the capabilities that can vary between different GPUs supported by Cogl. Applications that depend on any of these features should explicitly check for them using Cogl.Driver.has_feature.