void paintFramebuffer(QPainter *p) {
if (!(lcd.control & 0x800)) {
p->fillRect(p->window(), Qt::black);
p->setPen(Qt::white);
p->drawText(p->window(), Qt::AlignCenter, QObject::tr("LCD OFF"));
} else {
QImage img = renderFramebuffer();
p->drawImage(p->window(), img);
}
}
void MainWindow::screenshot()
{
QImage image = renderFramebuffer();
QString filename = QFileDialog::getSaveFileName(this, tr("Save Screenshot"), QString(), "PNG images (*.png)");
if(filename.isNull())
return;
if(!image.save(filename, "PNG"))
QMessageBox::critical(this, tr("Screenshot failed"), tr("Failed to save screenshot!"));
}
void display()
{
glBindBuffer(GL_UNIFORM_BUFFER, BufferName[buffer::TRANSFORM]);
glm::mat4* Pointer = (glm::mat4*)glMapBufferRange(
GL_UNIFORM_BUFFER, 0, sizeof(glm::mat4) * 3,
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
// Update of the MVP matrix for the render pass
{
glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.01f, 5.0f);
glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Window.TranlationCurrent.y + 3.0f));
glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Window.RotationCurrent.y - 60.f, glm::vec3(1.f, 0.f, 0.f));
glm::mat4 View = glm::rotate(ViewRotateX, Window.RotationCurrent.x + 30.f, glm::vec3(0.f, 0.f, 1.f));
glm::mat4 Model = glm::mat4(1.0f);
*(Pointer + 0) = Projection * View * Model;
}
// Update of the MVP matrix for the depth pass
{
glm::mat4 Projection = glm::ortho(-1.0f, 1.0f, -1.0f, 1.0f,-4.0f, 8.0f);
glm::mat4 View = glm::lookAt(glm::vec3(0.5, 1.0, 2.0), glm::vec3(0), glm::vec3(0, 0, 1));
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 DepthMVP = Projection * View * Model;
*(Pointer + 1) = DepthMVP;
glm::mat4 BiasMatrix(
0.5, 0.0, 0.0, 0.0,
0.0, 0.5, 0.0, 0.0,
0.0, 0.0, 0.5, 0.0,
0.5, 0.5, 0.5, 1.0);
*(Pointer + 2) = BiasMatrix * DepthMVP;
}
glUnmapBuffer(GL_UNIFORM_BUFFER);
glBindBufferBase(GL_UNIFORM_BUFFER, glf::semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM]);
renderShadow();
renderFramebuffer();
//renderSplash();
glf::swapBuffers();
}
static bool gif_write_frame(GifWriter *frameWriter, unsigned int delay) {
return GifWriteFrame(frameWriter, renderFramebuffer(&lcd).convertToFormat(QImage::Format_RGBA8888).bits(), 320, 240, delay);
}
