Method ApplyTexture

samples/hmd_opencv_sandbox/geometry_object.cpp:89–113

void GeometryObject::ApplyTexture( const uint8_t * data, int width, int height, int channels )
{
	if( !m_unTexture ) glGenTextures( 1, &m_unTexture );
	glBindTexture( GL_TEXTURE_2D, m_unTexture );

	int channelmap[] = { 0, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA };
	glTexImage2D( GL_TEXTURE_2D, 0, channelmap[channels], width, height,
		0, channelmap[channels], GL_UNSIGNED_BYTE, data );

	m_iTextureWidth = width;
	m_iTextureHeight = height;

	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );

	//Best not to be default.
	//GLfloat fLargest;
	//glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY, &fLargest );
	//glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY, fLargest );

	glBindTexture( GL_TEXTURE_2D, 0 );

}

void GeometryObject::Render( int index )
{