Public Member Functions | List of all members
clan::GraphicContext_GL Class Reference
clanGL Display

GL Graphic Context. More...

`#include <opengl_graphic_context.h>`

Inheritance diagram for clan::GraphicContext_GL:

## Public Member Functions
| GraphicContext_GL ()
| Construction. More...
| GraphicContext_GL (GraphicContext &gc)
| Create a GL specific graphics context. More...
| ~GraphicContext_GL ()
std::vector< std::string > | get_extensions ()
| Get the list of opengl extensions. More...
void | get_opengl_shading_language_version (int &version_major, int &version_minor)
| Get the opengl shading language version. More...
void | get_opengl_version (int &version_major, int &version_minor)
| Get the opengl version. More...
void | get_opengl_version (int &version_major, int &version_minor, int &version_release)
| Get the opengl version. More...
std::string | get_renderer_string ()
| Get the opengl renderer string. More...
std::string | get_vendor_string ()
| Get the opengl vendor string. More...
bool | is_null () const
| Attributes. More...
void | set_active ()
| Operations. More...
void | throw_if_null () const
| Throw an exception if this object is invalid. More...
Public Member Functions inherited from clan::GraphicContext
| GraphicContext ()
| Constructs a null instance. More...
| GraphicContext (GraphicContextProvider *provider)
| ~GraphicContext ()
bool | is_null () const
| Returns true if this object is invalid. More...
void | throw_if_null () const
| Throw an exception if this object is invalid. More...
ClipZRange | get_clip_z_range () const
| Returns in what range clip space z values are clipped. More...
TextureImageYAxis | get_texture_image_y_axis () const
| Returns the Y axis direction for viewports, clipping rects, textures and render targets. More...
ShaderLanguage | get_shader_language () const
| Returns the shader language used. More...
int | get_major_version () const
int | get_minor_version () const
bool | has_compute_shader_support () const
Texture | get_texture (int index) const
std::vector< Texture > | get_textures () const
FrameBuffer | get_write_frame_buffer () const
FrameBuffer | get_read_frame_buffer () const
ProgramObject | get_program_object () const
| Returns the currently selected program object. More...
int | get_width () const
| Returns the current actual width of the context. More...
int | get_height () const
| Returns the current actual height of the context. More...
Size | get_size () const
| Returns the current actual size of the context. More...
float | get_pixel_ratio () const
float | get_dip_width () const
float | get_dip_height () const
Sizef | get_dip_size () const
Size | get_max_texture_size () const
GraphicContextProvider * | get_provider ()
| Returns the provider for this graphic context. More...
const GraphicContextProvider * | get_provider () const
GraphicContext | create () const
| Create a new default graphic context compatible with this one. More...
GraphicContext | create (FrameBuffer &buffer) const
| Create a new default graphic context with a frame buffer selected. More...
GraphicContext | clone () const
| Create a new default graphic context cloned with this one. More...
PixelBuffer | get_pixeldata (const Rect &rect, TextureFormat texture_format=tf_rgba8, bool clamp=true)
| Return the content of the read buffer into a pixel buffer. More...
PixelBuffer | get_pixeldata (TextureFormat texture_format=tf_rgba8, bool clamp=true)
| Return the content of the read buffer into a pixel buffer. More...
bool | is_frame_buffer_owner (const FrameBuffer &fb)
void | set_frame_buffer (const FrameBuffer &write_buffer)
| Sets the current frame buffer. More...
void | set_frame_buffer (const FrameBuffer &write_buffer, const FrameBuffer &read_buffer)
void | reset_frame_buffer ()
| Resets the current frame buffer to be the initial frame buffer. More...
void | set_uniform_buffer (int index, const UniformBuffer &buffer)
| Select uniform buffer into index. More...
void | reset_uniform_buffer (int index)
| Remove uniform buffer from index. More...
void | set_storage_buffer (int index, const StorageBuffer &buffer)
| Select storage buffer into index. More...
void | reset_storage_buffer (int index)
| Remove storage buffer from index. More...
void | set_texture (int unit_index, const Texture &texture)
void | set_textures (std::vector< Texture > &textures)
void | reset_texture (int unit_index)
void | reset_textures ()
| Remove all selected textures. More...
void | set_image_texture (int unit_index, const Texture &texture)
void | set_image_texture (std::vector< Texture > &textures)
void | reset_image_texture (int unit_index)
void | reset_image_textures ()
| Remove all selected textures. More...
void | set_rasterizer_state (const RasterizerState &state)
| Set active rasterizer state. More...
void | set_blend_state (const BlendState &state, const Colorf &blend_color=Colorf::white, unsigned int sample_mask=0xffffffff)
| Set active blend state. More...
void | set_depth_stencil_state (const DepthStencilState &state, int stencil_ref=0)
| Set active depth stencil state. More...
void | reset_rasterizer_state ()
| Set active rasterizer state. More...
void | reset_blend_state ()
| Set active blend state. More...
void | reset_depth_stencil_state ()
| Set active depth stencil state. More...
void | set_program_object (StandardProgram standard_program)
| Set active program object to the standard program specified. More...
void | set_program_object (const ProgramObject &program)
void | reset_program_object ()
| Remove active program object. More...
bool | is_primitives_array_owner (const PrimitivesArray &primitives_array)
void | draw_primitives (PrimitivesType type, int num_vertices, const PrimitivesArray &array)
| Draw primitives on gc. More...
void | set_primitives_array (const PrimitivesArray &array)
| Set the primitives array on the gc. More...
void | draw_primitives_array (PrimitivesType type, int num_vertices)
| Draws primitives from the current assigned primitives array. More...
void | draw_primitives_array (PrimitivesType type, int offset, int num_vertices)
void | draw_primitives_array_instanced (PrimitivesType type, int offset, int num_vertices, int instance_count)
void | set_primitives_elements (ElementArrayBuffer &element_array)
| Sets current elements array buffer. More...
template<typename Type >
void | set_primitives_elements (ElementArrayVector< Type > &element_array)
| Sets current elements array buffer. More...
void | draw_primitives_elements (PrimitivesType type, int count, VertexAttributeDataType indices_type, size_t offset=0)
void | draw_primitives_elements_instanced (PrimitivesType type, int count, VertexAttributeDataType indices_type, size_t offset, int instance_count)
void | reset_primitives_elements ()
| Resets current elements array buffer. More...
void | draw_primitives_elements (PrimitivesType type, int count, ElementArrayBuffer &element_array, VertexAttributeDataType indices_type, size_t offset=0)
void | draw_primitives_elements (PrimitivesType type, int count, ElementArrayVector< unsigned int > &element_array, size_t offset=0)
void | draw_primitives_elements (PrimitivesType type, int count, ElementArrayVector< unsigned short > &element_array, size_t offset=0)
void | draw_primitives_elements (PrimitivesType type, int count, ElementArrayVector< unsigned char > &element_array, size_t offset=0)
void | draw_primitives_elements_instanced (PrimitivesType type, int count, ElementArrayBuffer &element_array, VertexAttributeDataType indices_type, size_t offset, int instance_count)
void | draw_primitives_elements_instanced (PrimitivesType type, int count, ElementArrayVector< unsigned int > &element_array, size_t offset, int instance_count)
void | draw_primitives_elements_instanced (PrimitivesType type, int count, ElementArrayVector< unsigned short > &element_array, size_t offset, int instance_count)
void | draw_primitives_elements_instanced (PrimitivesType type, int count, ElementArrayVector< unsigned char > &element_array, size_t offset, int instance_count)
void | reset_primitives_array ()
| Reset the primitives arrays. More...
void | dispatch (int x=1, int y=1, int z=1)
| Execute a compute shader. More...
void | clear (const Colorf &color=Colorf::black)
| Clears the whole context using the specified color. More...
void | clear_stencil (int value=0)
void | clear_depth (float value=0)
void | set_scissor (const Rect &rect, TextureImageYAxis y_axis)
| Set the current clipping rectangle. More...
void | reset_scissor ()
| Removes the set clipping rectangle. More...
void | set_viewport (const Rectf &viewport)
void | set_viewport (int index, const Rectf &viewport)
void | set_depth_range (float n, float f)
| Specifies the depth range for all viewports. More...
void | set_depth_range (int viewport, float n, float f)
| Specifies the depth range for the specified viewport. More...
void | set_draw_buffer (DrawBuffer buffer)
| Set used draw buffer. More...
void | flush ()
| Flush the command buffer. More...
bool | operator== (const GraphicContext &other) const
bool | operator!= (const GraphicContext &other) const

## Detailed Description

GL Graphic Context.

The documentation for this class was generated from the following file:

- opengl_graphic_context.h