ShaderManager Class Reference

Management of shader programs. More...

#include <easy3d/renderer/shader_manager.h>

Static Public Member Functions
static ShaderProgram *	get_program (const std::string &shader_name)
	Get the shader program if it exists and is working.
static ShaderProgram *	create_program_from_files (const std::string &file_base_name, const std::vector< ShaderProgram::Attribute > &attributes=std::vector< ShaderProgram::Attribute >(), const std::vector< std::string > &outputs=std::vector< std::string >(), bool geom_shader=false)
	Create a shader program from shader source files specified by the shader file's base name.
static ShaderProgram *	create_program_from_files (const std::string &vert_file_name, const std::string &frag_file_name, const std::string &geom_file_name="", const std::string &extra_vert_code="", const std::string &extra_frag_code="", const std::string &extra_geom_code="", const std::vector< ShaderProgram::Attribute > &attributes=std::vector< ShaderProgram::Attribute >(), const std::vector< std::string > &outputs=std::vector< std::string >())
	Create a shader program from shader source files specified by individual file names.
static ShaderProgram *	create_program_from_codes (const std::string &vert_code, const std::string &frag_code, const std::string &geom_code="", const std::vector< ShaderProgram::Attribute > &attributes=std::vector< ShaderProgram::Attribute >(), const std::vector< std::string > &outputs=std::vector< std::string >())
	Create a shader program from completed shader source codes.
static std::vector< ShaderProgram * >	all_programs ()
	Get all shader programs.
static void	terminate ()
	Destroy all shader programs.
static void	reload ()
	Reload all shader programs.

Detailed Description

Management of shader programs.

Note

Make sure to call terminate() to destroy existing programs before the OpenGL context is deleted.

Member Function Documentation

all_programs()

std::vector< ShaderProgram * > all_programs ( )

static

Get all shader programs.

Returns

A vector of all shader programs.

create_program_from_codes()

ShaderProgram * create_program_from_codes ( const std::string & vert_code, const std::string & frag_code, const std::string & geom_code = "", const std::vector< ShaderProgram::Attribute > & attributes = std::vector<ShaderProgram::Attribute>(), const std::vector< std::string > & outputs = std::vector<std::string>() )

static

Create a shader program from completed shader source codes.

Parameters

vert_code	The vertex shader code.
frag_code	The fragment shader code.
geom_code	The geometry shader code (optional).
attributes	The attributes for the shader program.
outputs	The outputs for the shader program.

Returns

The created shader program.

create_program_from_files() [1/2]

ShaderProgram * create_program_from_files ( const std::string & file_base_name, const std::vector< ShaderProgram::Attribute > & attributes = std::vector<ShaderProgram::Attribute>(), const std::vector< std::string > & outputs = std::vector<std::string>(), bool geom_shader = false )

static

Create a shader program from shader source files specified by the shader file's base name.

Parameters

file_base_name	The base name of the shader files.
attributes	The attributes for the shader program.
outputs	The outputs for the shader program.
geom_shader	True if a geometry shader is included.

Returns

The created shader program.

Examples

Tutorial_203_Viewer_wxWidgets/main.cpp, and Tutorial_204_Viewer_Qt/main.cpp.

create_program_from_files() [2/2]

ShaderProgram * create_program_from_files ( const std::string & vert_file_name, const std::string & frag_file_name, const std::string & geom_file_name = "", const std::string & extra_vert_code = "", const std::string & extra_frag_code = "", const std::string & extra_geom_code = "", const std::vector< ShaderProgram::Attribute > & attributes = std::vector<ShaderProgram::Attribute>(), const std::vector< std::string > & outputs = std::vector<std::string>() )

static

Create a shader program from shader source files specified by individual file names.

Parameters

vert_file_name	The vertex shader file name.
frag_file_name	The fragment shader file name.
geom_file_name	The geometry shader file name (optional).
extra_vert_code	Extra vertex shader code (optional).
extra_frag_code	Extra fragment shader code (optional).
extra_geom_code	Extra geometry shader code (optional).
attributes	The attributes for the shader program.
outputs	The outputs for the shader program.

Returns

The created shader program.

get_program()

ShaderProgram * get_program ( const std::string & shader_name )

static

Get the shader program if it exists and is working.

Parameters

shader_name

The base name of the program's source file.

Returns

The shader program if it exists and is working, otherwise nullptr.

Examples

Tutorial_203_Viewer_wxWidgets/main.cpp, and Tutorial_204_Viewer_Qt/main.cpp.

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

• G:/3_code/Easy3D/easy3d/renderer/shader_manager.h
• G:/3_code/Easy3D/easy3d/renderer/shader_manager.cpp