GlProgram Class Reference

#include <opengl_utils.hpp>

Collaboration diagram for GlProgram:

Public Member Functions
	GlProgram ()=default
	GlProgram (const char *vert_src, const char *frag_src)
	GlProgram (const GlProgram &)=delete
	GlProgram (GlProgram &&o)
	~GlProgram ()
GLuint	get ()
GlProgram &	operator= (const GlProgram &)=delete
GlProgram &	operator= (GlProgram &&o)

Private Member Functions
void	swap (GlProgram &o)

Private Attributes
GLuint	program = 0

Detailed Description

RAII wrapper for OpenGL program

Definition at line 70 of file opengl_utils.hpp.

Constructor & Destructor Documentation

GlProgram() [1/4]

GlProgram::GlProgram ( )

default

Compiles provided shaders and constructs an OpenGL program

Parameters

vert_src	vertex shader source
frag_src	fragment shader source

GlProgram() [2/4]

GlProgram::GlProgram	(	const char *	vert_src,
		const char *	frag_src )

Definition at line 104 of file opengl_utils.cpp.

                                                              {
        GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER);
        GLuint fragShader = glCreateShader(GL_FRAGMENT_SHADER);
 
        glShaderSource(vertexShader, 1, &vert_src, NULL);
        compileShader(vertexShader);
        glShaderSource(fragShader, 1, &frag_src, NULL);
        compileShader(fragShader);
 
        program = glCreateProgram();
        glAttachShader(program, vertexShader);
        glAttachShader(program, fragShader);
        glLinkProgram(program);
        //glUseProgram(program);
 
        glDetachShader(program, vertexShader);
        glDetachShader(program, fragShader);
        glDeleteShader(vertexShader);
        glDeleteShader(fragShader);
}

References compileShader(), frag_src, program, and vert_src.

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~GlProgram()

GlProgram::~GlProgram

(

)

Definition at line 125 of file opengl_utils.cpp.

                      {
        if(program == 0)
                return;
 
        glUseProgram(0);
        glDeleteProgram(program);
}

References program.

GlProgram() [3/4]

GlProgram::GlProgram ( const GlProgram & )

delete

GlProgram() [4/4]

GlProgram::GlProgram ( GlProgram && o )

inline

Definition at line 88 of file opengl_utils.hpp.

{ swap(o); }

References swap().

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Member Function Documentation

get()

GLuint GlProgram::get ( )

inline

Returns the underlying OpenGL program id

Definition at line 85 of file opengl_utils.hpp.

{ return program; }

References program.

Referenced by FlatVideoScene::enableDeinterlacing(), FlatVideoScene::render(), PanoramaScene::render(), and FlatVideoScene::resize().

operator=() [1/2]

GlProgram & GlProgram::operator= ( const GlProgram & )

delete

operator=() [2/2]

GlProgram & GlProgram::operator= ( GlProgram && o )

inline

Definition at line 90 of file opengl_utils.hpp.

{ swap(o); return *this; }

References swap().

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swap()

void GlProgram::swap ( GlProgram & o )

inlineprivate

Definition at line 93 of file opengl_utils.hpp.

                               {
                std::swap(program, o.program);
        }

References program.

Referenced by GlProgram(), and operator=().

Member Data Documentation

program

GLuint GlProgram::program = 0

private

Definition at line 96 of file opengl_utils.hpp.

Referenced by GlProgram(), ~GlProgram(), get(), and swap().

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

• src/video_display/opengl_utils.hpp
• src/video_display/opengl_utils.cpp