cogl-object
The Object Interface
CoglObject
cogl_object_ref
cogl_object_unref
CoglUserDataKey
CoglUserDataDestroyCallback
cogl_object_get_user_data
cogl_object_set_user_data
cogl-error
Exception handling
CoglError
cogl_error_matches
cogl_error_free
cogl_error_copy
COGL_GLIB_ERROR
cogl-types
Common Types
CoglVertexP2
CoglVertexP3
CoglVertexP2C4
CoglVertexP3C4
CoglVertexP2T2
CoglVertexP3T2
CoglVertexP2T2C4
CoglVertexP3T2C4
CoglVerticesMode
CoglFuncPtr
CoglPixelFormat
CoglBufferTarget
CoglBufferBit
CoglAttributeType
CoglColorMask
CoglTextureFlags
CoglBool
cogl-renderer
CoglRenderer: Connect to a backend renderer
CoglRenderer
cogl_is_renderer
cogl_renderer_new
cogl_renderer_get_n_fragment_texture_units
cogl_renderer_connect
CoglWinsysID
cogl_renderer_set_winsys_id
cogl_renderer_get_winsys_id
CoglRendererConstraint
cogl_renderer_add_constraint
cogl_renderer_remove_constraint
cogl_xlib_renderer_set_foreign_display
cogl_xlib_renderer_get_foreign_display
CoglXlibFilterFunc
CoglFilterReturn
cogl_xlib_renderer_add_filter
cogl_xlib_renderer_remove_filter
cogl_xlib_renderer_handle_event
CoglWin32FilterFunc
cogl_win32_renderer_add_filter
cogl_win32_renderer_remove_filter
cogl_win32_renderer_handle_event
cogl_win32_renderer_set_event_retrieval_enabled
cogl_wayland_renderer_set_foreign_display
cogl_wayland_renderer_set_event_dispatch_enabled
cogl_wayland_renderer_get_display
cogl-swap-chain
CoglSwapChain: Describe a set of back buffers for flipping between
CoglSwapChain
cogl_is_swap_chain
cogl_swap_chain_new
cogl_swap_chain_set_has_alpha
cogl_swap_chain_set_length
cogl-onscreen-template
CoglOnscreenTemplate: Describe a template for onscreen framebuffers
CoglOnscreenTemplate
cogl_is_onscreen_template
cogl_onscreen_template_new
cogl-display
CoglDisplay: Setup a display pipeline
CoglDisplay
cogl_is_display
cogl_display_new
cogl_display_get_renderer
cogl_display_setup
cogl_gdl_display_set_plane
cogl_wayland_display_set_compositor_display
cogl-context
The Top-Level Context
CoglContext
cogl_is_context
cogl_context_new
cogl_context_get_display
CoglFeatureID
cogl_has_feature
cogl_has_features
CoglFeatureCallback
cogl_foreach_feature
cogl_push_matrix
cogl_pop_matrix
cogl_scale
cogl_translate
cogl_rotate
cogl_transform
cogl_frustum
cogl_perspective
cogl_ortho
cogl_get_modelview_matrix
cogl_set_modelview_matrix
cogl_get_projection_matrix
cogl_set_projection_matrix
cogl_set_viewport
cogl_get_viewport
cogl_set_source
cogl_set_source_color
cogl_set_source_color4ub
cogl_set_source_color4f
cogl_set_source_texture
cogl_get_source
cogl_push_source
cogl_pop_source
COGL_TYPE_BUFFER_BIT
cogl_clear
CoglReadPixelsFlags
cogl_read_pixels
cogl_flush
COGL_TYPE_ATTRIBUTE_TYPE
COGL_TYPE_BLEND_STRING_ERROR
COGL_TYPE_BUFFER_ACCESS
COGL_TYPE_BUFFER_TARGET
COGL_TYPE_BUFFER_UPDATE_HINT
COGL_TYPE_BUFFER_USAGE_HINT
COGL_TYPE_DEBUG_FLAGS
COGL_TYPE_DRIVER_ERROR
COGL_TYPE_FEATURE_FLAGS
COGL_TYPE_INDICES_TYPE
COGL_TYPE_PIXEL_FORMAT
COGL_TYPE_READ_PIXELS_FLAGS
COGL_TYPE_TEXTURE_FLAGS
COGL_TYPE_VERTICES_MODE
COGL_DRIVER_ERROR
CoglDriverError
cogl_attribute_type_get_type
cogl_buffer_bit_get_type
cogl_buffer_target_get_type
cogl_debug_flags_get_type
cogl_driver_error_get_type
cogl_feature_flags_get_type
cogl_fixed_get_type
cogl_fog_mode_get_type
cogl_indices_type_get_type
cogl_pixel_format_get_type
cogl_read_pixels_flags_get_type
cogl_shader_type_get_type
cogl_texture_flags_get_type
cogl_vertices_mode_get_type
COGL_AFIRST_BIT
COGL_A_BIT
COGL_BGR_BIT
COGL_PREMULT_BIT
cogl-poll
Main loop integration
CoglPollFDEvent
CoglPollFD
cogl_poll_renderer_get_info
cogl_poll_renderer_dispatch
cogl_glib_source_new
cogl_glib_renderer_source_new
cogl-attribute
Vertex Attributes
CoglAttribute
cogl_attribute_new
cogl_is_attribute
cogl_attribute_set_normalized
cogl_attribute_get_normalized
cogl_attribute_get_buffer
cogl_attribute_set_buffer
cogl-indices
Indices
CoglIndices
cogl_is_indices
CoglIndicesType
cogl_indices_new
cogl_get_rectangle_indices
cogl-primitive
Primitives
CoglPrimitive
cogl_primitive_new
cogl_primitive_new_with_attributes
cogl_primitive_new_p2
cogl_primitive_new_p3
cogl_primitive_new_p2c4
cogl_primitive_new_p3c4
cogl_primitive_new_p2t2
cogl_primitive_new_p3t2
cogl_primitive_new_p2t2c4
cogl_primitive_new_p3t2c4
cogl_is_primitive
cogl_primitive_get_first_vertex
cogl_primitive_set_first_vertex
cogl_primitive_get_n_vertices
cogl_primitive_set_n_vertices
cogl_primitive_get_mode
cogl_primitive_set_mode
cogl_primitive_set_attributes
cogl_primitive_get_indices
cogl_primitive_set_indices
cogl_primitive_copy
CoglPrimitiveAttributeCallback
cogl_primitive_foreach_attribute
cogl-rectangle
Rectangles
cogl_rectangle
cogl_rectangles
cogl_rectangle_with_texture_coords
cogl_rectangles_with_texture_coords
cogl_rectangle_with_multitexture_coords
cogl-snippet
Shader snippets
CoglSnippet
CoglSnippetHook
cogl_snippet_new
cogl_snippet_get_hook
cogl_is_snippet
cogl_snippet_set_declarations
cogl_snippet_get_declarations
cogl_snippet_set_pre
cogl_snippet_get_pre
cogl_snippet_set_replace
cogl_snippet_get_replace
cogl_snippet_set_post
cogl_snippet_get_post
cogl-primitives-deprecated
Primitives (Deprecated)
cogl_polygon
cogl-paths
Path Primitives
CoglPath
cogl_is_path
cogl_path_new
cogl_path_copy
cogl_path_move_to
cogl_path_close
cogl_path_line_to
cogl_path_curve_to
cogl_path_arc
cogl_path_rel_move_to
cogl_path_rel_line_to
cogl_path_rel_curve_to
cogl_path_line
cogl_path_polyline
cogl_path_polygon
cogl_path_rectangle
cogl_path_round_rectangle
cogl_path_ellipse
CoglPathFillRule
cogl_path_set_fill_rule
cogl_path_get_fill_rule
cogl-bitmap
Bitmap
CoglBitmap
cogl_is_bitmap
cogl_bitmap_new_from_file
cogl_bitmap_new_from_buffer
cogl_bitmap_new_with_size
cogl_bitmap_new_for_data
cogl_bitmap_get_format
cogl_bitmap_get_width
cogl_bitmap_get_height
cogl_bitmap_get_rowstride
cogl_bitmap_get_buffer
cogl_bitmap_get_size_from_file
cogl_texture_new_from_bitmap
COGL_BITMAP_ERROR
CoglBitmapError
cogl-texture
The Texture Interface
CoglTexture
cogl_is_texture
cogl_texture_get_width
cogl_texture_get_height
cogl_texture_get_format
cogl_texture_is_sliced
cogl_texture_get_data
cogl_texture_set_data
cogl_texture_set_region
CoglTextureType
COGL_TEXTURE_MAX_WASTE
cogl-texture-2d
2D textures
CoglTexture2D
cogl_texture_2d_new_with_size
cogl_texture_2d_new_from_file
cogl_texture_2d_new_from_bitmap
cogl_texture_2d_new_from_data
cogl_texture_2d_new_from_foreign
cogl_is_texture_rectangle
cogl-texture-rectangle
Rectangle textures (non-normalized coordinates)
CoglTextureRectangle
cogl_texture_rectangle_new_with_size
cogl_texture_rectangle_new_from_bitmap
cogl_is_texture_rectangle
cogl-texture-3d
3D textures
CoglTexture3D
cogl_texture_3d_new_with_size
cogl_texture_3d_new_from_bitmap
cogl_texture_3d_new_from_data
cogl_is_texture_3d
cogl-meta-texture
High Level Meta Textures
CoglMetaTexture
CoglMetaTextureCallback
cogl_meta_texture_foreach_in_region
cogl-primitive-texture
Low-level primitive textures
CoglPrimitiveTexture
cogl_is_primitive_texture
cogl_primitive_texture_set_auto_mipmap
cogl-sub-texture
Sub Textures
CoglSubTexture
cogl_sub_texture_new
cogl_is_sub_texture
cogl-atlas-texture
Atlas Textures
CoglAtlasTexture
cogl_atlas_texture_new_with_size
cogl_atlas_texture_new_from_file
cogl_atlas_texture_new_from_data
cogl_atlas_texture_new_from_bitmap
cogl_is_atlas_texture
cogl-texture-2d-sliced
Sliced Textures
CoglTexture2DSliced
cogl_texture_2d_sliced_new_with_size
cogl_texture_2d_sliced_new_from_file
cogl_texture_2d_sliced_new_from_data
cogl_texture_2d_sliced_new_from_bitmap
cogl_is_texture_2d_sliced
cogl-texture-pixmap-x11
X11 Texture From Pixmap
CoglTexturePixmapX11
cogl_is_texture_pixmap_x11
cogl_texture_pixmap_x11_new
cogl_texture_pixmap_x11_update_area
cogl_texture_pixmap_x11_is_using_tfp_extension
CoglTexturePixmapX11ReportLevel
cogl_texture_pixmap_x11_set_damage_object
cogl-framebuffer
CoglFramebuffer: The Framebuffer Interface
CoglFramebuffer
COGL_FRAMEBUFFER
cogl_framebuffer_allocate
cogl_framebuffer_get_width
cogl_framebuffer_get_height
cogl_framebuffer_set_viewport
cogl_framebuffer_get_viewport_x
cogl_framebuffer_get_viewport_y
cogl_framebuffer_get_viewport_width
cogl_framebuffer_get_viewport_height
cogl_framebuffer_get_viewport4fv
cogl_framebuffer_get_color_format
cogl_framebuffer_get_red_bits
cogl_framebuffer_get_green_bits
cogl_framebuffer_get_blue_bits
cogl_framebuffer_get_alpha_bits
cogl_framebuffer_get_depth_bits
cogl_framebuffer_get_color_mask
cogl_framebuffer_set_color_mask
cogl_framebuffer_get_samples_per_pixel
cogl_framebuffer_set_samples_per_pixel
cogl_framebuffer_resolve_samples
cogl_framebuffer_resolve_samples_region
cogl_framebuffer_get_context
cogl_framebuffer_clear
cogl_framebuffer_clear4f
cogl_framebuffer_read_pixels_into_bitmap
cogl_framebuffer_read_pixels
cogl_framebuffer_set_dither_enabled
cogl_framebuffer_get_dither_enabled
cogl_framebuffer_draw_primitive
cogl_framebuffer_draw_attributes
cogl_framebuffer_vdraw_attributes
cogl_framebuffer_draw_indexed_attributes
cogl_framebuffer_vdraw_indexed_attributes
cogl_framebuffer_draw_rectangle
cogl_framebuffer_draw_textured_rectangle
cogl_framebuffer_draw_multitextured_rectangle
cogl_framebuffer_draw_rectangles
cogl_framebuffer_draw_textured_rectangles
cogl_framebuffer_stroke_path
cogl_framebuffer_fill_path
cogl_framebuffer_discard_buffers
cogl_framebuffer_finish
cogl_framebuffer_push_matrix
cogl_framebuffer_pop_matrix
cogl_framebuffer_identity_matrix
cogl_framebuffer_scale
cogl_framebuffer_translate
cogl_framebuffer_rotate
cogl_framebuffer_rotate_euler
cogl_framebuffer_rotate_quaternion
cogl_framebuffer_transform
cogl_framebuffer_get_modelview_matrix
cogl_framebuffer_set_modelview_matrix
cogl_framebuffer_perspective
cogl_framebuffer_frustum
cogl_framebuffer_orthographic
cogl_framebuffer_get_projection_matrix
cogl_framebuffer_set_projection_matrix
cogl_framebuffer_push_scissor_clip
cogl_framebuffer_push_rectangle_clip
cogl_framebuffer_push_path_clip
cogl_framebuffer_push_primitive_clip
cogl_framebuffer_pop_clip
cogl_get_draw_framebuffer
cogl_set_framebuffer
cogl_push_framebuffer
cogl_pop_framebuffer
cogl-onscreen
CoglOnscreen: The Onscreen Framebuffer Interface
CoglOnscreen
cogl_is_onscreen
COGL_ONSCREEN
cogl_onscreen_new
CoglOnscreenX11MaskCallback
cogl_x11_onscreen_set_foreign_window_xid
cogl_x11_onscreen_get_window_xid
cogl_x11_onscreen_get_visual_xid
cogl_win32_onscreen_set_foreign_window
cogl_win32_onscreen_get_window
cogl_onscreen_show
cogl_onscreen_hide
CoglFrameCallback
CoglFrameClosure
cogl_onscreen_add_frame_callback
cogl_onscreen_remove_frame_callback
CoglOnscreenDirtyInfo
CoglOnscreenDirtyCallback
CoglOnscreenDirtyClosure
cogl_onscreen_add_dirty_callback
cogl_onscreen_remove_dirty_callback
CoglOnscreenResizeCallback
CoglOnscreenResizeClosure
cogl_onscreen_add_resize_callback
cogl_onscreen_remove_resize_callback
cogl_onscreen_swap_buffers
cogl_onscreen_swap_buffers_with_damage
cogl_onscreen_swap_region
cogl_onscreen_set_swap_throttled
CoglSwapBuffersNotify
cogl_onscreen_add_swap_buffers_callback
cogl_onscreen_remove_swap_buffers_callback
cogl-offscreen
Offscreen Framebuffers
CoglOffscreen
cogl_is_offscreen
cogl_offscreen_new_to_texture
cogl-color
Color Type
CoglColor
cogl_color_new
cogl_color_copy
cogl_color_free
cogl_color_set_from_4ub
cogl_color_set_from_4f
cogl_color_get_red
cogl_color_get_green
cogl_color_get_blue
cogl_color_get_alpha
cogl_color_get_red_byte
cogl_color_get_green_byte
cogl_color_get_blue_byte
cogl_color_get_alpha_byte
cogl_color_get_red_float
cogl_color_get_green_float
cogl_color_get_blue_float
cogl_color_get_alpha_float
cogl_color_set_red
cogl_color_set_green
cogl_color_set_blue
cogl_color_set_alpha
cogl_color_set_red_byte
cogl_color_set_green_byte
cogl_color_set_blue_byte
cogl_color_set_alpha_byte
cogl_color_set_red_float
cogl_color_set_green_float
cogl_color_set_blue_float
cogl_color_set_alpha_float
cogl_color_premultiply
cogl_color_unpremultiply
cogl_color_equal
cogl_color_init_from_hsl
cogl_color_to_hsl
cogl-matrix
Matrices
CoglMatrix
cogl_matrix_init_identity
cogl_matrix_init_from_array
cogl_matrix_init_translation
cogl_matrix_init_from_quaternion
cogl_matrix_init_from_euler
cogl_matrix_copy
cogl_matrix_equal
cogl_matrix_free
cogl_matrix_frustum
cogl_matrix_orthographic
cogl_matrix_perspective
cogl_matrix_look_at
cogl_matrix_multiply
cogl_matrix_rotate
cogl_matrix_rotate_quaternion
cogl_matrix_rotate_euler
cogl_matrix_translate
cogl_matrix_scale
cogl_matrix_transpose
cogl_matrix_get_array
cogl_matrix_get_inverse
cogl_matrix_transform_point
cogl_matrix_transform_points
cogl_matrix_project_points
cogl_matrix_is_identity
cogl-matrix-stack
Matrix Stacks
CoglMatrixStack
CoglMatrixEntry
cogl_matrix_stack_new
cogl_matrix_stack_push
cogl_matrix_stack_pop
cogl_matrix_stack_load_identity
cogl_matrix_stack_scale
cogl_matrix_stack_translate
cogl_matrix_stack_rotate
cogl_matrix_stack_rotate_quaternion
cogl_matrix_stack_rotate_euler
cogl_matrix_stack_multiply
cogl_matrix_stack_frustum
cogl_matrix_stack_perspective
cogl_matrix_stack_orthographic
cogl_matrix_stack_get_inverse
cogl_matrix_stack_get_entry
cogl_matrix_stack_get
cogl_matrix_entry_get
cogl_matrix_stack_set
cogl_matrix_entry_calculate_translation
cogl_matrix_entry_is_identity
cogl_matrix_entry_equal
cogl_matrix_entry_ref
cogl_matrix_entry_unref
cogl-euler
Eulers (Rotations)
CoglEuler
cogl_euler_init
cogl_euler_init_from_matrix
cogl_euler_init_from_quaternion
cogl_euler_equal
cogl_euler_copy
cogl_euler_free
cogl-quaternion
Quaternions (Rotations)
CoglQuaternion
cogl_quaternion_init_identity
cogl_quaternion_init
cogl_quaternion_init_from_quaternion
cogl_quaternion_init_from_angle_vector
cogl_quaternion_init_from_array
cogl_quaternion_init_from_x_rotation
cogl_quaternion_init_from_y_rotation
cogl_quaternion_init_from_z_rotation
cogl_quaternion_init_from_euler
cogl_quaternion_equal
cogl_quaternion_copy
cogl_quaternion_free
cogl_quaternion_get_rotation_angle
cogl_quaternion_get_rotation_axis
cogl_quaternion_normalize
cogl_quaternion_dot_product
cogl_quaternion_invert
cogl_quaternion_multiply
cogl_quaternion_pow
cogl_quaternion_slerp
cogl_quaternion_nlerp
cogl_quaternion_squad
cogl_get_static_identity_quaternion
cogl_get_static_zero_quaternion
cogl-pipeline
Pipeline
CoglPipeline
cogl_pipeline_new
cogl_pipeline_copy
cogl_is_pipeline
cogl_pipeline_set_color
cogl_pipeline_set_color4ub
cogl_pipeline_set_color4f
cogl_pipeline_get_color
cogl_pipeline_set_ambient
cogl_pipeline_get_ambient
cogl_pipeline_set_diffuse
cogl_pipeline_get_diffuse
cogl_pipeline_set_ambient_and_diffuse
cogl_pipeline_set_emission
cogl_pipeline_get_emission
cogl_pipeline_set_specular
cogl_pipeline_get_specular
cogl_pipeline_set_shininess
cogl_pipeline_get_shininess
CoglPipelineAlphaFunc
cogl_pipeline_set_alpha_test_function
COGL_BLEND_STRING_ERROR
CoglBlendStringError
cogl_pipeline_set_blend
cogl_pipeline_set_blend_constant
cogl_pipeline_set_point_size
cogl_pipeline_get_point_size
cogl_pipeline_set_per_vertex_point_size
cogl_pipeline_get_per_vertex_point_size
cogl_pipeline_get_color_mask
cogl_pipeline_set_color_mask
cogl_pipeline_set_depth_state
cogl_pipeline_get_depth_state
CoglPipelineCullFaceMode
cogl_pipeline_set_cull_face_mode
CoglWinding
cogl_pipeline_set_front_face_winding
cogl_pipeline_set_layer_texture
cogl_pipeline_set_layer_null_texture
cogl_pipeline_get_layer_texture
CoglPipelineFilter
cogl_pipeline_set_layer_filters
cogl_pipeline_get_layer_min_filter
cogl_pipeline_get_layer_mag_filter
CoglPipelineWrapMode
cogl_pipeline_set_layer_wrap_mode
cogl_pipeline_set_layer_wrap_mode_s
cogl_pipeline_set_layer_wrap_mode_t
cogl_pipeline_set_layer_wrap_mode_p
cogl_pipeline_set_layer_combine
cogl_pipeline_set_layer_combine_constant
cogl_pipeline_set_layer_matrix
cogl_pipeline_set_layer_point_sprite_coords_enabled
cogl_pipeline_get_layer_point_sprite_coords_enabled
cogl_pipeline_remove_layer
cogl_pipeline_get_n_layers
CoglPipelineLayerCallback
cogl_pipeline_foreach_layer
cogl_pipeline_get_uniform_location
cogl_pipeline_set_uniform_1f
cogl_pipeline_set_uniform_1i
cogl_pipeline_set_uniform_float
cogl_pipeline_set_uniform_int
cogl_pipeline_set_uniform_matrix
cogl_pipeline_add_snippet
cogl_pipeline_add_layer_snippet
cogl_blend_string_error_get_type
cogl_blend_string_error_domain
cogl-depth-state
Depth State
CoglDepthState
CoglDepthTestFunction
cogl_depth_state_init
cogl_depth_state_set_test_enabled
cogl_depth_state_get_test_enabled
cogl_depth_state_set_test_function
cogl_depth_state_get_test_function
cogl_depth_state_set_write_enabled
cogl_depth_state_get_write_enabled
cogl_depth_state_set_range
cogl_depth_state_get_range
cogl-buffer
CoglBuffer: The Buffer Interface
CoglBuffer
cogl_is_buffer
cogl_buffer_get_size
CoglBufferUsageHint
cogl_buffer_set_usage_hint
cogl_buffer_get_usage_hint
CoglBufferUpdateHint
cogl_buffer_set_update_hint
cogl_buffer_get_update_hint
CoglBufferAccess
CoglBufferMapHint
cogl_buffer_map
cogl_buffer_map_range
cogl_buffer_unmap
cogl_buffer_set_data
CoglPixelBuffer
cogl_pixel_buffer_new
cogl_is_pixel_buffer
cogl_buffer_access_get_type
cogl_buffer_update_hint_get_type
cogl_buffer_usage_hint_get_type
cogl-attribute-buffer
CoglAttributeBuffer: Buffers of vertex attributes
CoglAttributeBuffer
cogl_attribute_buffer_new_with_size
cogl_attribute_buffer_new
cogl_is_attribute_buffer
cogl-index-buffer
CoglIndexBuffer: Buffers of vertex indices
CoglIndexBuffer
cogl_index_buffer_new
cogl_is_index_buffer
cogl-vector
3 Component Vectors
cogl_vector3_init
cogl_vector3_init_zero
cogl_vector3_equal
cogl_vector3_equal_with_epsilon
cogl_vector3_copy
cogl_vector3_free
cogl_vector3_invert
cogl_vector3_add
cogl_vector3_subtract
cogl_vector3_multiply_scalar
cogl_vector3_divide_scalar
cogl_vector3_normalize
cogl_vector3_magnitude
cogl_vector3_cross_product
cogl_vector3_dot_product
cogl_vector3_distance
cogl-fence
GPU synchronisation fences
CoglFence
CoglFenceCallback
CoglFenceClosure
cogl_fence_closure_get_user_data
cogl_framebuffer_add_fence_callback
cogl_framebuffer_cancel_fence_callback
cogl-version
Versioning utility macros
COGL_VERSION_MAJOR
COGL_VERSION_MINOR
COGL_VERSION_MICRO
COGL_VERSION_STRING
COGL_VERSION
COGL_VERSION_ENCODE
COGL_VERSION_CHECK
COGL_VERSION_GET_MAJOR
COGL_VERSION_GET_MINOR
COGL_VERSION_GET_MICRO
cogl-gtype
GType Integration API
cogl_gtype_matrix_get_type
cogl-sdl
SDL Integration
cogl_sdl_context_new
cogl_sdl_renderer_set_event_type
cogl_sdl_renderer_get_event_type
cogl_sdl_handle_event
cogl_sdl_idle
cogl_sdl_onscreen_get_window
cogl-gles2
GLES 2.0 context
CoglGLES2Context
CoglGLES2Vtable
COGL_GLES2_CONTEXT_ERROR
CoglGLES2ContextError
cogl_gles2_context_new
cogl_is_gles2_context
cogl_gles2_context_get_vtable
cogl_push_gles2_context
cogl_pop_gles2_context
cogl_gles2_get_current_vtable
cogl_gles2_texture_2d_new_from_handle
cogl_gles2_texture_get_handle