texture.inl

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/**
 
    @file      texture.inl
    @author    Khrapov
    @date      23.01.2020
    @copyright © Nick Khrapov, 2021. All right reserved.
 
**/
 
namespace qx
{
 
inline base_texture::~base_texture()
{
    if (m_nTexture != std::numeric_limits<GLuint>::max())
    {
        glDeleteTextures(1, &m_nTexture);
        m_nTexture = std::numeric_limits<GLuint>::max();
    }
}
 
inline void base_texture::Generate()
{
    if (m_nTexture == std::numeric_limits<GLuint>::max())
        glGenTextures(1, &m_nTexture);
}
 
inline void base_texture::Bind() const
{
    glBindTexture(m_eTextureTarget, m_nTexture);
}
 
inline void base_texture::Unbind() const
{
    glBindTexture(m_eTextureTarget, 0);
}
 
inline GLuint base_texture::GetBufferName() const
{
    return m_nTexture;
}
 
inline bool base_texture::IsGenerated() const
{
    return m_nTexture != std::numeric_limits<GLuint>::max();
};
 
inline GLenum base_texture::GetTarget() const
{
    return m_eTextureTarget;
}
 
inline GLenum base_texture::GetInternalFormat() const
{
    return m_eInternalFormat;
}
 
inline GLsizei base_texture::GetWidth() const
{
    return m_nWidth;
}
 
inline GLsizei base_texture::GetHeight() const
{
    return m_nHeight;
}
 
inline void base_texture::SetTarget(GLenum eTarget)
{
    m_eTextureTarget = eTarget;
}
 
inline void base_texture::Specify2DTexImage(
    GLint       nLevel,
    GLenum      eInternalFormat,
    GLsizei     nWidth,
    GLsizei     nHeight,
    GLenum      eFormat,
    GLenum      eType,
    const void* pData,
    GLenum      eTarget)
{
    glTexImage2D(
        eTarget != -1 ? eTarget : m_eTextureTarget,
        nLevel,
        eInternalFormat,
        nWidth,
        nHeight,
        0,
        eFormat,
        eType,
        pData);
 
    m_nWidth          = nWidth;
    m_nHeight         = nHeight;
    m_eInternalFormat = eInternalFormat;
}
 
inline void base_texture::Specify2DMultisample(
    GLsizei   nSamples,
    GLenum    eInternalFormat,
    GLsizei   nWidth,
    GLsizei   nHeight,
    GLboolean bFixedSampleLocations)
{
    glTexImage2DMultisample(m_eTextureTarget, nSamples, eInternalFormat, nWidth, nHeight, bFixedSampleLocations);
 
    m_nWidth          = nWidth;
    m_nHeight         = nHeight;
    m_eInternalFormat = eInternalFormat;
}
 
inline void base_texture::GenerateMipmap()
{
    glGenerateMipmap(m_eTextureTarget);
}
 
inline void base_texture::SetParameter(GLenum eName, GLfloat value)
{
    glTextureParameterf(m_nTexture, eName, value);
}
 
inline void base_texture::SetParameter(GLenum eName, GLint value)
{
    glTextureParameteri(m_nTexture, eName, value);
}
 
inline void base_texture::SetParameter(GLenum eName, const GLfloat* value)
{
    glTextureParameterfv(m_nTexture, eName, value);
}
 
inline void base_texture::SetParameter(GLenum eName, const GLint* value)
{
    glTextureParameterIiv(m_nTexture, eName, value);
}
 
inline void base_texture::SetParameter(GLenum eName, const GLuint* value)
{
    glTextureParameterIuiv(m_nTexture, eName, value);
}
 
} // namespace qx