void NightModeGraphicsEffect::draw(QPainter* painter)
{
int pixelRatio = painter->device()->devicePixelRatio();
QSize size(painter->device()->width() * pixelRatio, painter->device()->height() * pixelRatio);
if (fbo && fbo->size() != size)
{
delete fbo;
fbo = NULL;
}
if (!fbo)
{
QGLFramebufferObjectFormat format;
format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);
format.setInternalTextureFormat(GL_RGBA);
fbo = new NightModeGraphicsEffectFbo(size, format, pixelRatio);
}
QPainter fboPainter(fbo);
drawSource(&fboPainter);
painter->save();
painter->beginNativePainting();
program->bind();
const GLfloat pos[] = {-1, -1, +1, -1, -1, +1, +1, +1};
const GLfloat texCoord[] = {0, 0, 1, 0, 0, 1, 1, 1};
program->setUniformValue(vars.source, 0);
program->setAttributeArray(vars.pos, pos, 2);
program->setAttributeArray(vars.texCoord, texCoord, 2);
program->enableAttributeArray(vars.pos);
program->enableAttributeArray(vars.texCoord);
glBindTexture(GL_TEXTURE_2D, fbo->texture());
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
program->release();
painter->endNativePainting();
painter->restore();
}
void VideoView::paintGL(QGLPainter *painter)
{
QGLFramebufferObject *fbo = fboSurface->framebufferObject();
if (fbo) {
painter->setStandardEffect(QGL::FlatReplaceTexture2D);
painter->setTexture(QGLTexture2D::fromTextureId(fbo->texture(), fbo->size()));
} else {
painter->setStandardEffect(QGL::LitMaterial);
}
teapot.draw(painter);
}
Selection* Sketcher::createSelection(int width, int height)
{
Selection *selection = new Selection();
//selection->setParameters(parameters, parameterNames);
QGLFramebufferObject *fbo = new QGLFramebufferObject(width, height);
glBindTexture(GL_TEXTURE_2D, fbo->texture());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
selection->setSelectionMask(fbo);
this->selections << selection;
return selection;
}
// --------------------------------------------------------
void TouchWidgetRenderer::drawMagnifyingGlass(
GLResourceContainer * container,
const MagnifyingGlass * mg,
float alpha ) const
{
// draw contents to fbo
QGLFramebufferObject * fbo = container->framebufferObject("mg_fbo");
drawSceneToFbo(fbo, mg->srcCenter(), mg->srcSize(), mg->angle());
//qDebug() << "drawing mg " << mg << mg->dstCenter() << mg->dstSize();
// draw magnifying glass including contents
QGLShaderProgram * shader = container->shaderProgram("mglass");
shader->bind();
shader->setUniformValue("mglass_tex", 0);
shader->setUniformValue("content_tex", 1);
shader->setUniformValue("alpha", this->alpha()*alpha);
glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, container->texture("mglass"));
glActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D, fbo->texture());
drawQuad(mg->dstCenter(), mg->dstSize(), -mg->angle(), this->alpha()*alpha);
shader->release();
}
void paintGL()
{
const SbViewportRegion vp = view->getSoRenderManager()->getViewportRegion();
SbVec2s size = vp.getViewportSizePixels();
glDisable(GL_LIGHTING);
glViewport(0, 0, size[0], size[1]);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, fbObject->texture());
glColor3f(1.0, 1.0, 1.0);
GLfloat s = size[0] / GLfloat(fbObject->size().width());
GLfloat t = size[1] / GLfloat(fbObject->size().height());
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex2f(-1.0, -1.0);
glTexCoord2f(s, 0.0);
glVertex2f(1.0, -1.0);
glTexCoord2f(s, t);
glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, t);
glVertex2f(-1.0, 1.0);
glEnd();
if (rubberBandIsShown) {
glMatrixMode(GL_PROJECTION);
glOrtho(0, size[0], size[1], 0, 0, 100);
glMatrixMode(GL_MODELVIEW);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLineWidth(4.0);
glColor4f(1.0f, 1.0f, 1.0f, 0.2f);
glRecti(rubberBandCorner1.x(), rubberBandCorner1.y(),
rubberBandCorner2.x(), rubberBandCorner2.y());
glColor4f(1.0, 1.0, 0.0, 0.5);
glLineStipple(3, 0xAAAA);
glEnable(GL_LINE_STIPPLE);
glBegin(GL_LINE_LOOP);
glVertex2i(rubberBandCorner1.x(), rubberBandCorner1.y());
glVertex2i(rubberBandCorner2.x(), rubberBandCorner1.y());
glVertex2i(rubberBandCorner2.x(), rubberBandCorner2.y());
glVertex2i(rubberBandCorner1.x(), rubberBandCorner2.y());
glEnd();
glLineWidth(1.0);
glDisable(GL_LINE_STIPPLE);
glDisable(GL_BLEND);
}
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
}