//-----------------------------------------------------------------------------
void QGLImageGpuWidget::getPboOutput(iu::ImageGpu_8u_C4* image)
{
if (!image_)
return;
fillPbo(image);
}
//-----------------------------------------------------------------------------
void QGLImageGpuWidget::paintGL()
{
if(image_ == 0)
return;
// printf("QGLImageGpuWidget::paintGL()\n");
if (!glewIsSupported( "GL_VERSION_1_5 GL_ARB_vertex_buffer_object GL_ARB_pixel_buffer_object" ))
{
printf("!!!!!!!!!!!! CALL GLEW INIT !!!!!!!!!!!!\n");
glewInit();
return;
}
// check for min/max values if normalization is activated
if(normalize_)
this->autoMinMax();
// fill the picture buffer object
fillPbo();
// common display code path
{
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_pbo_);
glBindTexture(GL_TEXTURE_2D, gl_tex_ );
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, image_->width(), image_->height(),
GL_RGBA, GL_UNSIGNED_BYTE, NULL );
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity ();
glOrtho (-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
glViewport(0, 0, (int)floor(image_->width()*zoom_), (int)floor(image_->height()*zoom_));
#if 0
glBegin(GL_TRIANGLES);
glTexCoord2f(0, 0); glVertex2f(-1, 1);
glTexCoord2f(2, 0); glVertex2f( 3, 1);
glTexCoord2f(0, 2); glVertex2f(-1,-3);
glEnd();
#else
glBegin(GL_QUADS);
glTexCoord2f( 0.0, 0.0); glVertex3f(-1.0, 1.0, 0.5);
glTexCoord2f( 1.0, 0.0); glVertex3f( 1.0, 1.0, 0.5);
glTexCoord2f( 1.0, 1.0); glVertex3f( 1.0, -1.0, 0.5);
glTexCoord2f( 0.0, 1.0); glVertex3f(-1.0, -1.0, 0.5);
glEnd ();
#endif
}
glPopMatrix();
// printf("QGLImageGpuWidget::paintGL() done\n");
}
void QGLImageGpuWidget::doCUDA()
{
// check for min/max values if normalization is activated
if(normalize_)
this->autoMinMax();
// fill the picture buffer object
if (!fillPbo())
{
printf("Something went wrong when filling the pbo, not displaying anything\n");
return;
}
// common display code path
{
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_pbo_);
glBindTexture(GL_TEXTURE_2D, gl_tex_ );
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, image_->width(), image_->height(),
GL_RGBA, GL_UNSIGNED_BYTE, NULL );
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity ();
glOrtho (-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
glViewport(0, 0, (int)floor(image_->width()*zoom_), (int)floor(image_->height()*zoom_));
#if 0
glBegin(GL_TRIANGLES);
glTexCoord2f(0, 0); glVertex2f(-1, 1);
glTexCoord2f(2, 0); glVertex2f( 3, 1);
glTexCoord2f(0, 2); glVertex2f(-1,-3);
glEnd();
#else
glBegin(GL_QUADS);
glTexCoord2f( 0.0, 0.0); glVertex3f(-1.0, 1.0, 0.5);
glTexCoord2f( 1.0, 0.0); glVertex3f( 1.0, 1.0, 0.5);
glTexCoord2f( 1.0, 1.0); glVertex3f( 1.0, -1.0, 0.5);
glTexCoord2f( 0.0, 1.0); glVertex3f(-1.0, -1.0, 0.5);
glEnd ();
#endif
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
updateCuda_ = false;
}
