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| virtual | ~GraphicContextProvider () | 
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| virtual ElementArrayBufferProvider * | alloc_element_array_buffer ()=0 | 
|  | Allocate element array buffer provider for this gc. 
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| virtual FrameBufferProvider * | alloc_frame_buffer ()=0 | 
|  | Allocate frame buffer provider for this gc. 
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| virtual OcclusionQueryProvider * | alloc_occlusion_query ()=0 | 
|  | Allocate occlusion query provider of this gc. 
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| virtual PixelBufferProvider * | alloc_pixel_buffer ()=0 | 
|  | Allocate pixel buffer provider for this gc. 
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| virtual PrimitivesArrayProvider * | alloc_primitives_array ()=0 | 
|  | Allocate primitives array provider for this gc. 
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| virtual ProgramObjectProvider * | alloc_program_object ()=0 | 
|  | Allocate program object provider of this gc. 
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| virtual RenderBufferProvider * | alloc_render_buffer ()=0 | 
|  | Allocate render buffer provider for this gc. 
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| virtual ShaderObjectProvider * | alloc_shader_object ()=0 | 
|  | Allocate shader object provider of this gc. 
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| virtual StorageBufferProvider * | alloc_storage_buffer ()=0 | 
|  | Allocate storage buffer provider for this gc. 
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| virtual TextureProvider * | alloc_texture (TextureDimensions texture_dimensions)=0 | 
|  | Allocate texture provider for this gc. 
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| virtual TransferBufferProvider * | alloc_transfer_buffer ()=0 | 
|  | Allocate transfer buffer provider for this gc. 
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| virtual UniformBufferProvider * | alloc_uniform_buffer ()=0 | 
|  | Allocate uniform buffer provider for this gc. 
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| virtual VertexArrayBufferProvider * | alloc_vertex_array_buffer ()=0 | 
|  | Allocate vertex array buffer provider for this gc. 
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| virtual void | clear (const Colorf &color)=0 | 
|  | Clears the whole context using the specified color. 
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| virtual void | clear_depth (float value)=0 | 
|  | Clear the depth buffer. 
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| virtual void | clear_stencil (int value)=0 | 
|  | Clear the stencil buffer. 
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| virtual std::shared_ptr< BlendStateProvider > | create_blend_state (const BlendStateDescription &desc)=0 | 
|  | Retrieve blend state object. 
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| virtual std::shared_ptr< DepthStencilStateProvider > | create_depth_stencil_state (const DepthStencilStateDescription &desc)=0 | 
|  | Retrieve depth-stencil state object. 
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| virtual std::shared_ptr< RasterizerStateProvider > | create_rasterizer_state (const RasterizerStateDescription &desc)=0 | 
|  | Retrieve rasterizer state object. 
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| virtual void | dispatch (int x, int y, int z)=0 | 
|  | Execute a compute shader. 
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| virtual void | draw_primitives (PrimitivesType type, int num_vertices, const PrimitivesArray &primitives_array)=0 | 
|  | Draw primitives on gc. 
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| virtual void | draw_primitives_array (PrimitivesType type, int offset, int num_vertices)=0 | 
|  | Draws primitives from the current assigned primitives array. 
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| virtual void | draw_primitives_array_instanced (PrimitivesType type, int offset, int num_vertices, int instance_count)=0 | 
|  | Draws instanced primitives from the current assigned primitives array. 
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| virtual void | draw_primitives_elements (PrimitivesType type, int count, ElementArrayBufferProvider *array_provider, VertexAttributeDataType indices_type, void *offset)=0 | 
|  | Draw primitives elements. 
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| virtual void | draw_primitives_elements (PrimitivesType type, int count, VertexAttributeDataType indices_type, size_t offset=0)=0 | 
|  | Draw primitives elements. 
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| virtual void | draw_primitives_elements_instanced (PrimitivesType type, int count, ElementArrayBufferProvider *array_provider, VertexAttributeDataType indices_type, void *offset, int instance_count)=0 | 
|  | Draw primitives elements instanced. 
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| virtual void | draw_primitives_elements_instanced (PrimitivesType type, int count, VertexAttributeDataType indices_type, size_t offset, int instance_count)=0 | 
|  | Draw primitives elements instanced. 
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| virtual void | flush ()=0 | 
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| virtual ClipZRange | get_clip_z_range () const =0 | 
|  | Returns in what range clip space z values are clipped. 
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| virtual Size | get_display_window_size () const =0 | 
|  | Returns the current size of the display window. 
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| virtual int | get_major_version () const =0 | 
|  | Returns the major version / feature level supported by the hardware. 
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| virtual int | get_max_attributes ()=0 | 
|  | Returns the maximum amount of attributes available. 
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| virtual Size | get_max_texture_size () const =0 | 
|  | Returns the maximum size of a texture this graphic context supports. 
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| virtual int | get_minor_version () const =0 | 
|  | Returns the major version / feature level supported by the hardware. 
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| virtual float | get_pixel_ratio () const =0 | 
|  | Physical pixels/dots per inch. 
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| virtual PixelBuffer | get_pixeldata (const Rect &rect, TextureFormat texture_format, bool clamp) const =0 | 
|  | Return the content of the draw buffer into a pixel buffer. 
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| virtual ProgramObject | get_program_object (StandardProgram standard_program) const =0 | 
|  | Get a program object from the standard program specified. 
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| virtual ShaderLanguage | get_shader_language () const =0 | 
|  | Returns the shader language used. 
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| virtual TextureImageYAxis | get_texture_image_y_axis () const =0 | 
|  | Returns the Y axis direction for viewports, clipping rects, textures and render targets. 
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| virtual bool | has_compute_shader_support () const =0 | 
|  | Returns true if the hardware supports compute shaders. 
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| virtual bool | is_frame_buffer_owner (const FrameBuffer &fb)=0 | 
|  | Returns true if this frame buffer object is owned by this graphic context. 
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| virtual bool | is_primitives_array_owner (const PrimitivesArray &primitives_array)=0 | 
|  | Returns true if this primitives_array is owned by this graphic context. 
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| virtual void | reset_frame_buffer ()=0 | 
|  | Set the rendering buffer back to the screen. 
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| virtual void | reset_image_texture (int unit_index)=0 | 
|  | Remove texture from image unit. 
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| virtual void | reset_primitives_array ()=0 | 
|  | Reset the primitives arrays. 
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| virtual void | reset_primitives_elements ()=0 | 
|  | Resets current elements array buffer. 
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| virtual void | reset_program_object ()=0 | 
|  | Remove active program object. 
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| virtual void | reset_scissor ()=0 | 
|  | Reset scissor. 
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| virtual void | reset_storage_buffer (int index)=0 | 
|  | Remove storage buffer from index. 
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| virtual void | reset_texture (int unit_index)=0 | 
|  | Remove texture from unit. 
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| virtual void | reset_uniform_buffer (int index)=0 | 
|  | Remove uniform buffer from index. 
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| virtual void | set_blend_state (BlendStateProvider *state, const Colorf &blend_color, unsigned int sample_mask)=0 | 
|  | Set active blend state. 
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| virtual void | set_depth_range (float n, float f)=0 | 
|  | Specifies the depth range for all viewports. 
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| virtual void | set_depth_range (int viewport, float n, float f)=0 | 
|  | Specifies the depth range for the specified viewport. 
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| virtual void | set_depth_stencil_state (DepthStencilStateProvider *state, int stencil_ref)=0 | 
|  | Set active depth stencil state. 
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| virtual void | set_draw_buffer (DrawBuffer buffer)=0 | 
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| virtual void | set_frame_buffer (const FrameBuffer &write_buffer, const FrameBuffer &read_buffer)=0 | 
|  | Set a frame buffer for off-screen rendering. 
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| virtual void | set_image_texture (int unit_index, const Texture &texture)=0 | 
|  | Select texture into image unit. 
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| virtual void | set_primitives_array (const PrimitivesArray &primitives_array)=0 | 
|  | Set the primitives array on the gc. 
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| virtual void | set_primitives_elements (ElementArrayBufferProvider *array_provider)=0 | 
|  | Sets current elements array buffer. 
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| virtual void | set_program_object (const ProgramObject &program)=0 | 
|  | Set active program object. 
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| virtual void | set_program_object (StandardProgram standard_program)=0 | 
|  | Set active program object to the standard program specified. 
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| virtual void | set_rasterizer_state (RasterizerStateProvider *state)=0 | 
|  | Set active rasterizer state. 
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| virtual void | set_scissor (const Rect &rect)=0 | 
|  | Set scissor. 
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| virtual void | set_storage_buffer (int index, const StorageBuffer &buffer)=0 | 
|  | Select storage buffer into index. 
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| virtual void | set_texture (int unit_index, const Texture &texture)=0 | 
|  | Select texture into unit. 
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| virtual void | set_uniform_buffer (int index, const UniformBuffer &buffer)=0 | 
|  | Select uniform buffer into index. 
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| virtual void | set_viewport (const Rectf &viewport)=0 | 
|  | Set the viewport to be used in user projection map mode. 
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| virtual void | set_viewport (int index, const Rectf &viewport)=0 | 
|  | Set the specified viewport to be used in user projection map mode. 
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| virtual Signal< void(const Size &)> & | sig_window_resized ()=0 | 
|  | Get the window resized signal. 
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