// Renders the overlays either to a texture or to the screen
void ApplicationOverlay::renderOverlay(bool renderToTexture) {
PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings), "ApplicationOverlay::displayOverlay()");
Application* application = Application::getInstance();
Overlays& overlays = application->getOverlays();
QGLWidget* glWidget = application->getGLWidget();
MyAvatar* myAvatar = application->getAvatar();
if (renderToTexture) {
getFramebufferObject()->bind();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Render 2D overlay
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, glWidget->width(), glWidget->height(), 0);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
renderAudioMeter();
if (Menu::getInstance()->isOptionChecked(MenuOption::HeadMouse)) {
myAvatar->renderHeadMouse(glWidget->width(), glWidget->height());
}
renderStatsAndLogs();
// give external parties a change to hook in
emit application->renderingOverlay();
overlays.render2D();
renderPointers();
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA, GL_ONE);
if (renderToTexture) {
getFramebufferObject()->release();
}
}
// Draws the FBO texture for the screen
void ApplicationCompositor::displayOverlayTexture(RenderArgs* renderArgs) {
if (_alpha == 0.0f) {
return;
}
GLuint texture = qApp->getApplicationOverlay().getOverlayTexture();
if (!texture) {
return;
}
updateTooltips();
auto deviceSize = qApp->getDeviceSize();
glViewport(0, 0, deviceSize.width(), deviceSize.height());
//Handle fading and deactivation/activation of UI
gpu::Batch batch;
renderArgs->_context->syncCache();
auto geometryCache = DependencyManager::get<GeometryCache>();
geometryCache->useSimpleDrawPipeline(batch);
batch.setModelTransform(Transform());
batch.setViewTransform(Transform());
batch.setProjectionTransform(mat4());
batch._glBindTexture(GL_TEXTURE_2D, texture);
batch._glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
batch._glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
geometryCache->renderUnitQuad(batch, vec4(vec3(1), _alpha));
// Doesn't actually render
renderPointers(batch);
//draw the mouse pointer
// Get the mouse coordinates and convert to NDC [-1, 1]
vec2 canvasSize = qApp->getCanvasSize();
vec2 mousePosition = toNormalizedDeviceScale(vec2(qApp->getMouse()), canvasSize);
// Invert the Y axis
mousePosition.y *= -1.0f;
Transform model;
model.setTranslation(vec3(mousePosition, 0));
vec2 mouseSize = CURSOR_PIXEL_SIZE / canvasSize;
model.setScale(vec3(mouseSize, 1.0f));
batch.setModelTransform(model);
bindCursorTexture(batch);
vec4 reticleColor = { RETICLE_COLOR[0], RETICLE_COLOR[1], RETICLE_COLOR[2], 1.0f };
geometryCache->renderUnitQuad(batch, vec4(1));
renderArgs->_context->render(batch);
}
// Draws the FBO texture for Oculus rift.
void ApplicationCompositor::displayOverlayTextureHmd(RenderArgs* renderArgs, int eye) {
if (_alpha == 0.0f) {
return;
}
GLuint texture = qApp->getApplicationOverlay().getOverlayTexture();
if (!texture) {
return;
}
updateTooltips();
vec2 canvasSize = qApp->getCanvasSize();
_textureAspectRatio = aspect(canvasSize);
renderArgs->_context->syncCache();
auto geometryCache = DependencyManager::get<GeometryCache>();
gpu::Batch batch;
geometryCache->useSimpleDrawPipeline(batch);
batch._glDisable(GL_DEPTH_TEST);
batch._glDisable(GL_CULL_FACE);
batch._glBindTexture(GL_TEXTURE_2D, texture);
batch._glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
batch._glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
batch.setViewTransform(Transform());
batch.setProjectionTransform(qApp->getEyeProjection(eye));
mat4 eyePose = qApp->getEyePose(eye);
glm::mat4 overlayXfm = glm::inverse(eyePose);
#ifdef DEBUG_OVERLAY
{
batch.setModelTransform(glm::translate(mat4(), vec3(0, 0, -2)));
geometryCache->renderUnitQuad(batch, glm::vec4(1));
}
#else
{
batch.setModelTransform(overlayXfm);
drawSphereSection(batch);
}
#endif
// Doesn't actually render
renderPointers(batch);
vec3 reticleScale = vec3(Cursor::Manager::instance().getScale() * reticleSize);
bindCursorTexture(batch);
MyAvatar* myAvatar = DependencyManager::get<AvatarManager>()->getMyAvatar();
//Controller Pointers
for (int i = 0; i < (int)myAvatar->getHand()->getNumPalms(); i++) {
PalmData& palm = myAvatar->getHand()->getPalms()[i];
if (palm.isActive()) {
glm::vec2 polar = getPolarCoordinates(palm);
// Convert to quaternion
mat4 pointerXfm = glm::mat4_cast(quat(vec3(polar.y, -polar.x, 0.0f))) * glm::translate(mat4(), vec3(0, 0, -1));
mat4 reticleXfm = overlayXfm * pointerXfm;
reticleXfm = glm::scale(reticleXfm, reticleScale);
batch.setModelTransform(reticleXfm);
// Render reticle at location
geometryCache->renderUnitQuad(batch, glm::vec4(1), _reticleQuad);
}
}
//Mouse Pointer
if (_reticleActive[MOUSE]) {
glm::vec2 projection = screenToSpherical(glm::vec2(_reticlePosition[MOUSE].x(),
_reticlePosition[MOUSE].y()));
mat4 pointerXfm = glm::mat4_cast(quat(vec3(-projection.y, projection.x, 0.0f))) * glm::translate(mat4(), vec3(0, 0, -1));
mat4 reticleXfm = overlayXfm * pointerXfm;
reticleXfm = glm::scale(reticleXfm, reticleScale);
batch.setModelTransform(reticleXfm);
geometryCache->renderUnitQuad(batch, glm::vec4(1), _reticleQuad);
}
renderArgs->_context->render(batch);
}
// Renders the overlays either to a texture or to the screen
void ApplicationOverlay::renderOverlay(bool renderToTexture) {
PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings), "ApplicationOverlay::displayOverlay()");
Application* application = Application::getInstance();
Overlays& overlays = application->getOverlays();
GLCanvas* glWidget = application->getGLWidget();
MyAvatar* myAvatar = application->getAvatar();
_textureFov = glm::radians(Menu::getInstance()->getOculusUIAngularSize());
_textureAspectRatio = (float)application->getGLWidget()->getDeviceWidth() / (float)application->getGLWidget()->getDeviceHeight();
//Handle fading and deactivation/activation of UI
if (Menu::getInstance()->isOptionChecked(MenuOption::UserInterface)) {
_alpha += FADE_SPEED;
if (_alpha > 1.0f) {
_alpha = 1.0f;
}
} else {
_alpha -= FADE_SPEED;
if (_alpha <= 0.0f) {
_alpha = 0.0f;
}
}
// Render 2D overlay
glMatrixMode(GL_PROJECTION);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (renderToTexture) {
_overlays.buildFramebufferObject();
_overlays.bind();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
glPushMatrix(); {
glLoadIdentity();
gluOrtho2D(0, glWidget->width(), glWidget->height(), 0);
renderAudioMeter();
if (Menu::getInstance()->isOptionChecked(MenuOption::HeadMouse)) {
myAvatar->renderHeadMouse(glWidget->width(), glWidget->height());
}
renderStatsAndLogs();
// give external parties a change to hook in
emit application->renderingOverlay();
overlays.render2D();
renderPointers();
renderDomainConnectionStatusBorder();
} glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA, GL_ONE);
if (renderToTexture) {
_overlays.release();
}
}
