omni::visual::Texture32F Class Reference

RGBA Texture with 32-bit float for each channel. More...

#include <Texture32F.h>

Public Member Functions
	Texture32F ()
	Texture32F (RenderBuffer const &_buf, GLuint _target=GL_TEXTURE_2D)
	Construct from render buffer and initialize. More...
	~Texture32F ()
void	initialize (RenderBuffer const &_buf, GLuint _target=GL_TEXTURE_2D)
	Initialize texture data from render buffer. More...
void	destroy ()
void	bind ()
	Bind texture with glBindTexture(target,texId) More...
void	release ()
	Release texture with glBindTexture(target,0) More...
GLuint	target () const
	Return GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE. More...
GLuint	textureId () const
	Return id of this texture. More...

Private Attributes
QSize	size_
GLuint	target_ = GL_TEXTURE_2D
GLuint	texId_ = 0

Detailed Description

RGBA Texture with 32-bit float for each channel.

Constructor & Destructor Documentation

omni::visual::Texture32F::Texture32F

(

)

{}

omni::visual::Texture32F::Texture32F	(	RenderBuffer const &	_buf,
		GLuint	_target = GL_TEXTURE_2D
	)

Construct from render buffer and initialize.

                                                                   {
      initialize(_buf, _target);
    }

omni::visual::Texture32F::~Texture32F

(

)

                            {
      destroy();
    }

Member Function Documentation

void omni::visual::Texture32F::bind

(

)

Bind texture with glBindTexture(target,texId)

                          {
      withCurrentContext([&](QOpenGLFunctions& _) {
        _.glBindTexture(target_, texId_);
      });
    }

void omni::visual::Texture32F::destroy

(

)

                             {
      if (texId_ != 0) {
        withCurrentContext([&](QOpenGLFunctions& _) {
          _.glDeleteTextures(1, &texId_);
          texId_ = 0;
        });
      }
    }

void omni::visual::Texture32F::initialize	(	RenderBuffer const &	_buf,
		GLuint	_target = GL_TEXTURE_2D
	)

Initialize texture data from render buffer.

                                                                        {
      destroy();
      target_ = _target;
      size_= QSize(_buf.width(), _buf.height());
      withCurrentContext([&](QOpenGLFunctions& _) {
        _.glGenTextures(1, &texId_);
        _.glBindTexture(target_, texId_);
        _.glTexParameteri(target_, GL_TEXTURE_WRAP_S,     GL_CLAMP_TO_EDGE);
        _.glTexParameteri(target_, GL_TEXTURE_WRAP_T,     GL_CLAMP_TO_EDGE);
        _.glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        _.glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        _.glTexImage2D(target_, 0, GL_RGBA32F,
                       size_.width(),
                       size_.height(), 0,
                       GL_RGBA, GL_FLOAT, _buf.ptr());
        _.glBindTexture(target_, 0);
      });
    }

void omni::visual::Texture32F::release

(

)

Release texture with glBindTexture(target,0)

                             {
      withCurrentContext([&](QOpenGLFunctions& _) {
        _.glBindTexture(target_, 0);
      });
    }

GLuint omni::visual::Texture32F::target

(

)

const

Return GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE.

                                    {
      return target_;
    }

GLuint omni::visual::Texture32F::textureId

(

)

const

Return id of this texture.

                                       {
      return texId_;
    }

Field Documentation

QSize omni::visual::Texture32F::size_

private

GLuint omni::visual::Texture32F::target_ = GL_TEXTURE_2D

private

GLuint omni::visual::Texture32F::texId_ = 0

private

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

• include/omni/visual/Texture32F.h
• src/lib/visual/Texture32F.cpp