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GL++
0.1
OpenGL API C++ Wrapper
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GL++
0.1
OpenGL API C++ Wrapper
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Unit to query OpenGL implementation capabilities. More...
#include <capabilities_unit.hpp>
Public Member Functions | |
| int | version_major () const |
| Return the major version of this implementation. | |
| int | version_minor () const |
| Return the minor version of this implementation. | |
| std::string | vendor_string () const |
| Get the vendor's implementation string. | |
| std::string | renderer_string () const |
| Get the name of the renderer. | |
| std::string | shading_language_string () const |
| Get shading language string. | |
| size_t | total_texture_units () const |
| Total texture units. | |
| int | max_texture_size () const |
| Maximum texture size (rough estimation) | |
| int | max_3d_texture_size () const |
| Maximum size of 3d textures (rough estimation) | |
| int | max_cube_texture_size () const |
| Maximum size of cube textures (rough estimation) | |
| int | max_rectangle_texture_size () const |
| The value gives a rough estimate of the largest rectangular texture that the GL can handle. | |
| int | max_depth_texture_samples () const |
| Maximum number of samples in a multisample depth or depth-stencil texture. | |
| int | max_array_texture_layers () const |
| Maximum number of layers allowed in an array texture, and must be at least 256. | |
| int | max_draw_buffers () const |
| The maximum number of simultaneous outputs that may be written in a fragment shader. | |
| int | max_dualsource_draw_buffers () const |
| The maximum number of active draw buffers when using dual-source blending. | |
| int | max_elements_indices () const |
| The recommended maximum number of vertex array indices. | |
| int | max_elements_vertices () const |
| The recommended maximum number of vertex array vertices. | |
| int | max_fragment_atomic_counters () const |
| Maximum number of atomic counters available to fragment shaders. | |
| int | max_fragment_input_components () const |
| Maximum number of components of the inputs read by the fragment shader,. | |
| int | max_fragment_uniform_components () const |
| Maximum number of individual floating-point, integer, or boolean values that can be held in uniform variable storage for a fragment shader. | |
| int | max_fragment_uniform_vectors () const |
| the maximum number of individual 4-vectors of floating-point, integer, or boolean values that can be held in uniform variable storage for a fragment shader | |
| int | max_fragment_uniform_blocks () const |
| The maximum number of uniform blocks per fragment shader. | |
| int | max_geometry_atomic_counters () const |
| Maximum number of atomic counters available to geometry shaders. | |
| int | max_geometry_input_components () const |
| The maximum number of components of inputs read by a geometry shader. | |
| int | max_geometry_output_components () const |
| Maximum number of components of outputs written by a geometry shader. | |
| int | max_geometry_texture_image_units () const |
| Maximum supported texture image units that can be used to access texture maps from the geometry shader. | |
| int | max_geometry_uniform_blocks () const |
| Maximum number of uniform blocks per geometry shader. | |
| int | max_geometry_uniform_components () const |
| Maximum number of components in uniform variable storage for a geometry shader. | |
| int | max_integer_samples () const |
| The maximum number of samples supported in integer format multisample buffers. | |
| int | min_map_buffer_alignment () const |
| The minimum alignment in basic machine units of pointers. | |
| int | max_program_texel_offset () const |
| The maximum texel offset allowed in a texture lookup, which must be at least 7. | |
| int | min_program_texel_offset () const |
| The minimum texel offset allowed in a texture lookup, which must be at most -8. | |
| int | max_renderbuffers () const |
| The value indicates the maximum supported size for renderbuffers. | |
| int | max_sample_mask_words () const |
| Maximum number of sample mask words. | |
| GLint64 | max_server_wait_timeout () const |
| The maximum glWaitSync timeout interval. | |
| int | max_tess_control_atomic_counters () const |
| The maximum number of atomic counters available to tessellation control shaders. | |
| int | max_tess_evaluation_atomic_counters () const |
| The maximum number of atomic counters available to tessellation evaluation shaders. | |
| int | max_texture_buffer_size () const |
| The maximum number of texels allowed in the texel array of a texture buffer object. Value must be at least 65536. | |
| float | max_texture_lod_bias () const |
| The maximum, absolute value of the texture level-of-detail bias. The value must be at least 2.0. | |
| int | max_uniform_buffer_bindings () const |
| The maximum number of uniform buffer binding points on the context, which must be at least 36. | |
| int | max_uniform_block_size () const |
| The maximum size in basic machine units of a uniform block, which must be at least 16384. | |
| int | max_varyings_components () const |
| The number components for varying variables, which must be at least 60. | |
| int | max_varying_vectors () const |
| the number 4-vectors for varying variables, which is equal to the value of GL_MAX_VARYING_COMPONENTS and must be at least 1 | |
| int | max_varying_floats () const |
| The maximum number of interpolators available for processing varying variables used by vertex and fragment shaders. | |
| int | max_vertex_atomic_counters () const |
| The maximum number of atomic counters available to vertex shaders. | |
| int | max_vertex_attribs () const |
| The maximum number of 4-component generic vertex attributes accessible to a vertex shader. | |
| int | max_vertex_texture_image_units () const |
| the maximum supported texture image units that can be used to access texture maps from the vertex shader. | |
| int | max_vertex_uniform_components () const |
| Maximum number of components in uniform variable storage for a vertex shader. | |
| int | max_vertex_uniform_vectors () const |
| The maximum number of 4-vectors that may be held in uniform variable storage for the vertex shader. | |
| int | max_vertex_output_components () const |
| The maximum number of components of output written by a vertex shader, which must be at least 64. | |
| int | max_vertex_uniform_blocks () const |
| The maximum number of uniform blocks per vertex shader. | |
| void | max_viewport_dims (int &width, int &height) const |
| The maximum supported width and height of the viewport. | |
| int | max_viewports () const |
| The maximum number of simultaneous viewports that are supported. | |
| int | max_clip_distances () const |
| Maximum number of application-defined clipping distances. | |
| int | max_color_texture_samples () const |
| Maximum number of samples in a color multisample texture. | |
| int | max_atomic_counters () const |
| Maximum number of atomic counters available to all active shaders. | |
| int | max_combined_fragment_uniform_components () const |
| The number of words for fragment shader uniform variables in all uniform blocks (including default) | |
| int | max_combined_geometry_uniform_components () const |
| The number of words for geometry shader uniform variables in all uniform blocks (including default) | |
| int | max_combined_vertex_uniform_components () const |
| The number of words for vertex shader uniform variables in all uniform blocks (including default) | |
| int | max_combined_texture_image_units () const |
| Maximum number of components in uniform variable storage for a fragment shader. | |
| int | max_combined_uniform_blocks () const |
| Maximum number of uniform blocks per program. | |
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const std::vector < image_compressed_format > | supported_compressed_formats () const |
| Get list with all supported compressed texture formats. | |
| bool | is_compressed_format_supported (image_compressed_format format) const |
| Check if a compressed format is supported. | |
| const std::vector< std::string > | supported_extensions () const |
| Get the list with all supported extensions. | |
| bool | is_extension_supported (const std::string &name) const |
| Check if an extension is supported. | |
| const std::vector< int > | supported_program_binary_formats () const |
| Get the list with program binary formats that are support. | |
| bool | is_program_binary_format_supported (int id) const |
| Check if program binary format is supported. | |
| bool | is_shader_binary_format_supported () const |
| Check if implementation support shader binary format. | |
 Public Member Functions inherited from glpp::noncopyable | |
| noncopyable (noncopyable &) | |
| noncopyable & | operator= (noncopyable &) |
Protected Member Functions | |
| capabilities_unit (context &ctx) | |
| Construction is permitted only by glpp::context. | |
Protected Attributes | |
| context & | m_ctx |
| Reference to context that this is unit is part of. | |
Friends | |
| class | context |
| All units are friend of context. | |
Unit to query OpenGL implementation capabilities.
| int glpp::capabilities_unit::max_combined_texture_image_units | ( | ) | const |
Maximum number of components in uniform variable storage for a fragment shader.
Maximum number of individual floating-point, integer, or boolean values that can be held in uniform variable storage for a fragment shader
| int glpp::capabilities_unit::max_geometry_input_components | ( | ) | const |
The maximum number of components of inputs read by a geometry shader.
It must be at least 64.
| int glpp::capabilities_unit::max_geometry_uniform_components | ( | ) | const |
Maximum number of components in uniform variable storage for a geometry shader.
Maximum number of individual floating-point, integer, or boolean values that can be held in uniform variable storage for a geometry shader
| int glpp::capabilities_unit::max_texture_size | ( | ) | const |
Maximum texture size (rough estimation)
Maximum texture size.
| int glpp::capabilities_unit::max_vertex_uniform_components | ( | ) | const |
Maximum number of components in uniform variable storage for a vertex shader.
Maximum number of individual floating-point, integer, or boolean values that can be held in uniform variable storage for a vertex shader
1.8.1.2 
