void ForwardPositonalLightShader::update_properties(
const Mat4& trans,
const RenderEngine& engine) const
{
//TODO remove global camera.
// auto mvp =
set_uniform_matrix4("transformation_mat", trans);
// set_uniform_matrix4("camera_mat", engine.get_global_camera()->get_camera_mat());
// set_uniform_matrix4("projection_mat", engine.get_global_camera()->get_projection_mat());
set_uniform_matrix4("camera_mat", Locator::get_game().get_camera()->get_camera_mat());
set_uniform_matrix4("projection_mat", Locator::get_game().get_camera()->get_projection_mat());
set_uniform_matrix3("normal_mat", trans.get_mat3().inverse().transpose());
set_light("positional_light.light", engine.get_active_light());
set_pos_light("positional_light",static_cast<const PositionalLight*>(engine.get_active_light()),trans);
//
//TODO
set_uniform3f("camera_pos", Locator::get_game().get_camera()->get_world_pos());
set_uniform3f("camera_pos", Locator::get_game().get_camera()->get_world_pos());
set_uniform3f("camera_pos", Locator::get_game().get_camera()->get_world_pos());
set_uniform3f("camera_pos", Locator::get_game().get_camera()->get_world_pos());
// //use the new texture
// material.get_texture("diffuse").bind_texture(m_program_id, m_uniform_map["texture_sampler"]);
}
void
Gui::onTimelineTimeAboutToChange()
{
assert( QThread::currentThread() == qApp->thread() );
const std::list<ViewerTab*>& viewers = getViewersList();
for (std::list<ViewerTab*>::const_iterator it = viewers.begin(); it != viewers.end(); ++it) {
RenderEngine* engine = (*it)->getInternalNode()->getRenderEngine();
engine->abortRendering(true, false);
}
}
void TextureFX::bindImage(RenderEngine renderengine)
{
if(tileImage == 0)
{
GL11.glBindTexture(3553 /*GL_TEXTURE_2*/, renderengine.getTexture("/terrain.png"));
} else
if(tileImage == 1)
{
GL11.glBindTexture(3553 /*GL_TEXTURE_2*/, renderengine.getTexture("/gui/items.png"));
}
}
void ImageProcessor::operator()(RenderEngine& render_engine)
{
if (initialized_)
{
render_engine.draw(*quadrilateral_);
}
}
void handleEvents()
{
const sf::Input& Input = App->GetInput();
bool shiftDown = Input.IsKeyDown(sf::Key::LShift) || Input.IsKeyDown(sf::Key::RShift);
sf::Event Event;
while (App->GetEvent(Event))
{
if (Event.Type == sf::Event::Closed)
App->Close();
if ((Event.Type == sf::Event::KeyPressed) && (Event.Key.Code == sf::Key::Escape))
App->Close();
// This is for grading your code. DO NOT REMOVE
if(Event.Type == sf::Event::KeyPressed && Event.Key.Code == sf::Key::Space) {
firing = 6;
}
if(Event.Type == sf::Event::KeyReleased && Event.Key.Code == sf::Key::Space) {
firing = 0;
}
if(Event.Type == sf::Event::KeyPressed && Event.Key.Code == sf::Key::F12){
render = RenderEngine();
render.init();
}
if (Event.Type == sf::Event::Resized)
{ glViewport(0, 0, Event.Size.Width, Event.Size.Height); }
}
}
void AppGUI::UpdateTexture(RenderEngine& engine)
{
const int selectedTexture = m_cache->TextureSelected.Get();
if(selectedTexture != m_selectedTexture)
{
m_selectedTexture = selectedTexture;
const int ID = m_data.proceduralTextures[m_selectedTexture];
m_data.textures[ID]->Write(*m_cache);
m_data.textures[ID]->Save();
m_cache->TexturePath.SetUpdated(m_data.textures[ID]->Path());
}
else if(m_selectedTexture >= 0 &&
m_selectedTexture < static_cast<int>(m_data.proceduralTextures.size()))
{
const int ID = m_data.proceduralTextures[m_selectedTexture];
m_data.textures[ID]->Read(*m_cache);
}
if (m_cache->ReloadTexture.Get())
{
const int ID = m_data.proceduralTextures[m_selectedTexture];
m_scene.ReloadTexture(ID);
engine.ReloadTexture(ID);
m_data.textures[ID]->Save();
m_cache->TexturePath.SetUpdated(m_data.textures[ID]->Path());
m_cache->ReloadTexture.Set(false);
}
}
void AppGUI::UpdateShader(RenderEngine& engine)
{
const int selectedShader = m_cache->ShaderSelected.Get();
bool changedShader = selectedShader != m_selectedShader;
bool recompiledShader = false;
const std::string updatedText = m_cache->CompileShader.Get();
if(!updatedText.empty() && m_selectedShader != NO_INDEX)
{
recompiledShader = ReCompileShader(updatedText, engine);
}
if(changedShader || recompiledShader)
{
m_selectedShader = selectedShader;
m_cache->ShaderText.SetUpdated(engine.GetShaderText(m_selectedShader));
m_cache->ShaderAsm.SetUpdated(engine.GetShaderAssembly(m_selectedShader));
}
}
bool AppGUI::ReCompileShader(const std::string& text, RenderEngine& engine)
{
const auto& shader = *m_data.shaders[m_selectedShader];
m_cache->CompileShader.Clear();
engine.WriteToShader(shader, text);
std::string errors = engine.CompileShader(m_selectedShader);
if(errors.empty())
{
Logger::LogInfo(shader.Name() + ": Recompiled successfully");
return true;
}
else
{
Logger::LogInfo(shader.Name() + ": Failed Recompilation");
MessageBox(nullptr, (shader.Name() + ":" + errors).c_str(), "Compilation Errors", MB_OK);
return false;
}
}
void HudWriter::draw(RenderEngine& render_engine)
{
if (!vertex_buffer_.empty() && ((drawMode() == DynamicDraw) || (drawMode() == StaticDraw) || (drawMode() == StreamDraw)) )
{
if (needsDataRefresh())
{
prepareDrawing(render_engine);
needs_data_refresh = false;
}
render_engine.drawVertexArrayObject(vertex_vao_, vertex_buffer_);
}
}
void AppGUI::UpdateScene(RenderEngine& engine)
{
UpdateCamera();
m_cache->FramesPerSec.Set(m_timer.GetFPS());
m_cache->DeltaTime.Set(m_timer.GetDeltaTime());
m_cache->Timer.Set(m_timer.GetTotalTime());
if (m_cache->ReloadScene.Get())
{
m_cache->ReloadScene.Set(false);
m_scene.Reload();
const auto maxTextures = m_cache->Textures.Get().size();
for (unsigned int i = 0; i < maxTextures; ++i)
{
engine.ReloadTexture(m_data.proceduralTextures[i]);
}
const auto maxTerrain = m_cache->Terrains.Get().size();
for (unsigned int i = 0; i < maxTerrain; ++i)
{
engine.ReloadTerrain(i);
}
}
if (m_cache->ReloadEngine.Get())
{
m_reloadEngine();
m_cache->ReloadEngine.Set(false);
}
if (m_cache->ReloadPlacement.Get())
{
m_scene.ReloadPlacement();
m_cache->ReloadPlacement.Set(false);
}
}
void ForwardDirectionalShader::update_properties(
const Mat4& trans,
const RenderEngine& engine) const
{
//TOOD use dir
//TODO remove global camera.
// auto mvp =
set_uniform_matrix4("transformation_mat", trans);
// set_uniform_matrix4("camera_mat", engine.get_global_camera()->get_camera_mat());
// set_uniform_matrix4("projection_mat", engine.get_global_camera()->get_projection_mat());
set_uniform_matrix4("camera_mat", Locator::get_game().get_camera()->get_camera_mat());
set_uniform_matrix4("projection_mat", Locator::get_game().get_camera()->get_projection_mat());
set_uniform_matrix3("normal_mat", trans.get_mat3().inverse().transpose());
auto dir_light = static_cast<const DirectionalLight*>(engine.get_active_light());
set_light("directional_light.light", engine.get_active_light());
set_uniform3f("directional_light.direction", dir_light->get_dir());
auto& rim_light = dir_light->get_rim_light();
if (rim_light) {
set_uniformi("directional_light.rim_light.enable", rim_light->get_status());
set_uniform3f("directional_light.rim_light.color", rim_light->get_rim_color());
set_uniformf("directional_light.rim_light.power", rim_light->get_rim_power());
}else{
set_uniformi("directional_light.rim_light.enable", false);
}
//TODO
// set_uniform3f("camera_pos", engine.get_global_camera()->get_world_pos() );
set_uniform3f("camera_pos", Locator::get_game().get_camera()->get_world_pos() );
// //use the new texture
// material.get_texture("diffuse").bind_texture(m_program_id, m_uniform_map["texture_sampler"]);
}
void renderLoop(sf::Window & window)
{
sf::Clock time;
WorldState state;
while (state.isRunning())
{
this->handleEvents(window, state);
state.timeStep( time.getElapsedTime().asSeconds() );
engine.display(state);
window.display();
}
window.close();
}
void ForwardAmbientShader::update_properties(
const Mat4& trans,
const RenderEngine& engine) const
{
set_uniform_matrix4("transformation_mat", trans);
set_uniform_matrix4("camera_mat", Locator::get_game().get_camera()->get_camera_mat());
set_uniform_matrix4("projection_mat", Locator::get_game().get_camera()->get_projection_mat());
set_uniform3f("ambient", engine.get_ambient_light());
// material.get_texture("diffuse").bind_texture(m_program_id, m_uniform_map["texture_sampler"]);
}
void AppGUI::UpdatePost(RenderEngine& engine)
{
const int selectedMap = m_cache->PostMapSelected.Get();
if (selectedMap != m_selectedMap)
{
m_selectedMap = selectedMap;
m_scene.SetPostMap(selectedMap);
}
m_data.post->Read(*m_cache);
m_data.caustics->SetSpeed(
m_cache->Post[POST_CAUSTIC_SPEED].Get());
if (m_cache->ToggleWireframe.Get())
{
engine.ToggleWireframe();
m_cache->ToggleWireframe.Set(false);
}
}
void AppGUI::UpdateTerrain(RenderEngine& engine)
{
const int selectedTerrain = m_cache->TerrainSelected.Get();
if(selectedTerrain != m_selectedTerrain)
{
m_selectedTerrain = selectedTerrain;
m_data.terrain[m_selectedTerrain]->Write(*m_cache);
}
else if(m_selectedTerrain >= 0 &&
m_selectedTerrain < static_cast<int>(m_scene.Terrains().size()))
{
auto& terrain = *m_data.terrain[m_selectedTerrain];
terrain.Read(*m_cache);
m_cache->TerrainInstances.SetUpdated(terrain.GetRenderedInstances());
}
if (m_cache->ReloadTerrain.Get())
{
m_cache->ReloadTerrain.Set(false);
m_scene.ReloadTerrain(m_selectedTerrain);
engine.ReloadTerrain(m_selectedTerrain);
}
}
void RenderEngine::display()
{
if(render_engine.is_done())
{
render_engine.set_gl_ortho_proj();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
render_engine.draw_texture();
}
else
{
glEnable(GL_DEPTH_TEST);
render_engine.set_gl_perspective();
render_engine.set_gl_clearcolor();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
render_engine.set_gl_camera();
render_engine.draw();
glDisable(GL_DEPTH_TEST);
}
glutSwapBuffers();
}
int main()
{
init();
map = mapLoader.FileMapper();
int x = mapLoader.GetX();
int y = mapLoader.GetY();
char** mapArr = mapLoader.GetMap(map, x, y);
char** safetyCopy = mapLoader.GetMap(map, x, y);
ostringstream os;
Image title = Image("title.txt");
renderEngine.Render(title);
getch();
system("cls");
mapArr[playerX][playerY] = '0';
renderEngine.DrawMap(mapArr, x, y);
while(true) {
mapArr[playerX][playerY] = safetyCopy[playerX][playerY];
switch(getch()) {
case 'w':
if(playerCanMove('w', safetyCopy[playerX][playerY-1])) {
playerY--;
}
break;
case 's':
if(playerCanMove('s', safetyCopy[playerX][playerY+1])) {
playerY++;
}
break;
case 'a':
if(playerCanMove('a', safetyCopy[playerX-1][playerY])) {
playerX--;
}
break;
case 'd':
if(playerCanMove('d', safetyCopy[playerX+1][playerY])) {
playerX++;
}
break;
case '0':
return EXIT_SUCCESS;
break;
default:
break;
}
switch(command.Interact(safetyCopy[playerX][playerY])) {
case 'a':
pos++;
os.str("");
os << "next" << pos << ".txt";
mapLoader.SetPath(os.str());
renderEngine.SetEnvironment("fields");
map = mapLoader.FileMapper();
x = mapLoader.GetX();
y = mapLoader.GetY();
playerX = 20;
playerY = 2;
mapArr = mapLoader.GetMap(map, x, y);
safetyCopy = mapLoader.GetMap(map, x, y);
break;
case 'p':
pos--;
os.str("");
os << "next" << pos << ".txt";
mapLoader.SetPath(os.str());
renderEngine.SetEnvironment("house");
map = mapLoader.FileMapper();
x = mapLoader.GetX();
y = mapLoader.GetY();
playerX = 8;
playerY = 12;
mapArr = mapLoader.GetMap(map, x, y);
safetyCopy = mapLoader.GetMap(map, x, y);
break;
case 'n':
break;
}
system("cls");
mapArr[playerX][playerY] = '0';
renderEngine.DrawMap(mapArr, x, y);
}
return EXIT_SUCCESS;
}
static int BatchSimpleMode(const double haltTime, const unsigned int haltSpp, const float haltThreshold) {
RenderConfig *config = session->renderConfig;
RenderEngine *engine = session->renderEngine;
// Force the film update at 2.5secs (mostly used by PathOCL)
config->SetScreenRefreshInterval(2500);
// Start the rendering
session->Start();
// Nothing to do if it is the FileSaverRenderEngine
if (!dynamic_cast<FileSaverRenderEngine *>(engine)) {
const double startTime = WallClockTime();
double lastFilmUpdate = WallClockTime();
char buf[512];
for (;;) {
boost::this_thread::sleep(boost::posix_time::millisec(1000));
// Check if periodic save is enabled
if (session->NeedPeriodicSave()) {
// Time to save the image and film
session->SaveFilmImage();
lastFilmUpdate = WallClockTime();
} else {
// Film update may be required by some render engine to
// update statistics, convergence test and more
if (WallClockTime() - lastFilmUpdate > 5.0) {
session->renderEngine->UpdateFilm();
lastFilmUpdate = WallClockTime();
}
}
const double now = WallClockTime();
const double elapsedTime = now - startTime;
if ((haltTime > 0) && (elapsedTime >= haltTime))
break;
const unsigned int pass = engine->GetPass();
if ((haltSpp > 0) && (pass >= haltSpp))
break;
// Convergence test is update inside UpdateFilm()
const float convergence = engine->GetConvergence();
if ((haltThreshold >= 0.f) && (1.f - convergence <= haltThreshold))
break;
// Print some information about the rendering progress
sprintf(buf, "[Elapsed time: %3d/%dsec][Samples %4d/%d][Convergence %f%%][Avg. samples/sec % 3.2fM on %.1fK tris]",
int(elapsedTime), int(haltTime), pass, haltSpp, 100.f * convergence, engine->GetTotalSamplesSec() / 1000000.0,
config->scene->dataSet->GetTotalTriangleCount() / 1000.0);
SLG_LOG(buf);
}
}
// Stop the rendering
session->Stop();
// Save the rendered image
session->SaveFilmImage();
delete session;
SLG_LOG("Done.");
return EXIT_SUCCESS;
}
static int BatchTileMode(const unsigned int haltSpp, const float haltThreshold) {
RenderConfig *config = session->renderConfig;
RenderEngine *engine = session->renderEngine;
// batch.halttime condition doesn't make sense in the context
// of tile rendering
if (config->cfg.IsDefined("batch.halttime") && (config->cfg.GetInt("batch.halttime", 0) > 0))
throw runtime_error("batch.halttime parameter can not be used with batch.tile");
// image.subregion condition doesn't make sense in the context
// of tile rendering
if (config->cfg.IsDefined("image.subregion"))
throw runtime_error("image.subregion parameter can not be used with batch.tile");
// Force the film update at 2.5secs (mostly used by PathOCL)
config->SetScreenRefreshInterval(2500);
const u_int filterBorder = 2;
// Original film size
const u_int originalFilmWidth = session->film->GetWidth();
const u_int originalFilmHeight = session->film->GetHeight();
// Allocate a film where to merge all tiles
Film mergeTileFilm(originalFilmWidth, originalFilmWidth,
session->film->HasPerPixelNormalizedBuffer(), session->film->HasPerScreenNormalizedBuffer(),
true);
mergeTileFilm.CopyDynamicSettings(*(session->film));
mergeTileFilm.EnableOverlappedScreenBufferUpdate(false);
mergeTileFilm.Init(originalFilmWidth, originalFilmWidth);
// Get the tile size
vector<int> tileSize = config->cfg.GetIntVector("batch.tile", "256 256");
if (tileSize.size() != 2)
throw runtime_error("Syntax error in batch.tile (required 2 parameters)");
tileSize[0] = Max<int>(64, Min<int>(tileSize[0], originalFilmWidth));
tileSize[1] = Max<int>(64, Min<int>(tileSize[1], originalFilmHeight));
SLG_LOG("Tile size: " << tileSize[0] << " x " << tileSize[1]);
// Get the loop count
int loopCount = config->cfg.GetInt("batch.tile.loops", 1);
bool sessionStarted = false;
for (int loopIndex = 0; loopIndex < loopCount; ++loopIndex) {
u_int tileX = 0;
u_int tileY = 0;
const double startTime = WallClockTime();
// To setup new rendering parameters
if (loopIndex > 0) {
// I can begin an edit only after the start
session->BeginEdit();
// I have to use a new seed or I will render exactly the same images
session->renderEngine->GenerateNewSeed();
}
for (;;) {
SLG_LOG("Rendering tile offset: (" << tileX << "/" << originalFilmWidth + 2 * filterBorder << ", " <<
tileY << "/" << originalFilmHeight + 2 * filterBorder << ")");
// Set the film subregion to render
u_int filmSubRegion[4];
filmSubRegion[0] = tileX;
filmSubRegion[1] = Min(tileX + tileSize[0] - 1, originalFilmWidth - 1) + 2 * filterBorder;
filmSubRegion[2] = tileY;
filmSubRegion[3] = Min(tileY + tileSize[1] - 1, originalFilmHeight - 1) + 2 * filterBorder;
SLG_LOG("Tile subregion: " <<
boost::lexical_cast<string>(filmSubRegion[0]) << " " <<
boost::lexical_cast<string>(filmSubRegion[1]) << " " <<
boost::lexical_cast<string>(filmSubRegion[2]) << " " <<
boost::lexical_cast<string>(filmSubRegion[3]));
// Update the camera and resize the film
session->renderConfig->scene->camera->Update(
originalFilmWidth + 2 * filterBorder,
originalFilmHeight + 2 * filterBorder,
filmSubRegion);
session->film->Init(session->renderConfig->scene->camera->GetFilmWeight(),
session->renderConfig->scene->camera->GetFilmHeight());
if (sessionStarted) {
session->editActions.AddAction(CAMERA_EDIT);
session->editActions.AddAction(FILM_EDIT);
session->EndEdit();
} else {
session->Start();
sessionStarted = true;
}
double lastFilmUpdate = WallClockTime();
char buf[512];
for (;;) {
boost::this_thread::sleep(boost::posix_time::millisec(1000));
// Film update may be required by some render engine to
// update statistics, convergence test and more
if (WallClockTime() - lastFilmUpdate > 5.0) {
session->renderEngine->UpdateFilm();
lastFilmUpdate = WallClockTime();
}
const unsigned int pass = engine->GetPass();
if ((haltSpp > 0) && (pass >= haltSpp))
break;
// Convergence test is update inside UpdateFilm()
const float convergence = engine->GetConvergence();
if ((haltThreshold >= 0.f) && (1.f - convergence <= haltThreshold))
break;
// Print some information about the rendering progress
const double now = WallClockTime();
const double elapsedTime = now - startTime;
sprintf(buf, "[Loop step: %d/%d][Elapsed time: %3d][Samples %4d/%d][Convergence %f%%][Avg. samples/sec % 3.2fM on %.1fK tris]",
loopIndex + 1, loopCount,
int(elapsedTime), pass, haltSpp, 100.f * convergence, engine->GetTotalSamplesSec() / 1000000.0,
config->scene->dataSet->GetTotalTriangleCount() / 1000.0);
SLG_LOG(buf);
}
// Splat the current tile on the merge film
session->renderEngine->UpdateFilm();
{
boost::unique_lock<boost::mutex> lock(session->filmMutex);
mergeTileFilm.AddFilm(*(session->film), filterBorder, filterBorder,
filmSubRegion[1] - filmSubRegion[0] - 2 * filterBorder + 1,
filmSubRegion[3] - filmSubRegion[2] - 2 * filterBorder + 1,
tileX, tileY);
}
// Save the merge film
const string fileName = config->cfg.GetString("image.filename", "image.png");
SLG_LOG("Saving merged tiles to: " << fileName);
mergeTileFilm.UpdateScreenBuffer();
mergeTileFilm.SaveScreenBuffer(fileName);
// Advance to the next tile
tileX += tileSize[0];
if (tileX >= originalFilmWidth) {
tileX = 0;
tileY += tileSize[1];
if (tileY >= originalFilmHeight) {
// Rendering done
break;
}
}
// To setup new rendering parameters
session->BeginEdit();
}
}
// Stop the rendering
session->Stop();
delete session;
SLG_LOG("Done.");
return EXIT_SUCCESS;
}
void RenderEngine::keyboard(unsigned char key, int x, int y)
{
// The shader to be used when rendering a material is chosen
// by setting the "illum" property of the material. This
// property is part of the MTL file format ("illum" is short
// for "illumination model"). The shader to be used with
// each illumination model is specified in the init_tracer
// function above.
//
// Number keys switch the shader used for illumination
// models 0 and 1 to the shader at the corresponding index
// in the array "shaders" at the top of this file.
//
// When you switch shaders all previous rendering results
// will be erased!
if(key >= 48 && key < 48 + static_cast<unsigned char>(render_engine.no_of_shaders()))
{
unsigned int shader_no = key - 48;
if(shader_no != render_engine.get_current_shader())
{
render_engine.set_current_shader(shader_no);
render_engine.clear_image();
render_engine.redo_display_list();
cout << "Switched to shader number " << shader_no << endl;
glutPostRedisplay();
}
}
switch(key)
{
// Use '+' and '-' to increase or decrease the number of
// jitter samples per pixel in a simple ray tracing
case '+':
render_engine.increment_pixel_subdivs();
break;
case '-':
render_engine.decrement_pixel_subdivs();
break;
// Press '*' to apply tone mapping
case '*':
render_engine.apply_tone_map();
break;
// Press '/' to unapply tone mapping
case '/':
render_engine.unapply_tone_map();
break;
// Press 'b' to save a bitmap called the same as the last loaded .obj file.
case 'b':
render_engine.save_as_bitmap();
break;
// Press 'r' to start a simple ray tracing (one pass -> done).
// To switch back to preview mode after the ray tracing is done
// press 'r' again.
case 'r':
if(render_engine.is_done())
render_engine.undo();
else
render_engine.render();
glutPostRedisplay();
break;
// Press 's' to toggle shadows on/off
case 's':
{
bool shadows_on = render_engine.toggle_shadows();
render_engine.clear_image();
render_engine.redo_display_list();
cout << "Toggled shadows " << (shadows_on ? "on" : "off") << endl;
glutPostRedisplay();
}
break;
// Press 'x' to switch on material textures.
case 'x':
render_engine.add_textures();
cout << "Toggled textures on." << endl;
break;
// Press 'z' to zoom in.
case 'z':
{
render_engine.set_focal_dist(render_engine.get_focal_dist()*1.05f);
glutPostRedisplay();
}
break;
// Press 'Z' to zoom out.
case 'Z':
{
render_engine.set_focal_dist(render_engine.get_focal_dist()/1.05f);
glutPostRedisplay();
}
break;
// Press 'SPACE' to switch between pre-view and your last tracing result.
case 32:
render_engine.undo();
glutPostRedisplay();
break;
// Press 'ESC' to exit the program.
case 27:
exit(0);
}
}
void RenderEngine::reshape(int width, int height)
{
render_engine.set_window_size(width, height);
glViewport(0, 0, width, height);
}
void ProcessingChain::operator()(RenderEngine& render_engine)
{
if (initialize())
{
Uint viewport_x = render_engine.getViewportX();
Uint viewport_y = render_engine.getViewportY();
Uint viewport_width = render_engine.getViewportWidth();
Uint viewport_height = render_engine.getViewportHeight();
render_engine.pushDrawStates();
render_engine.apply(states);
render_engine.setViewport(0, 0, ping_->width(), ping_->height());
if (stages_.size() == 1)
{
render_engine.bind(*ping_);
render_engine.clearBuffers();
(*stages_[0])(render_engine);
render_engine.unbind(*ping_);
}
else
{
for (ProcessingStages::size_type stage = 0; stage != stages_.size(); ++ stage)
{
Bool use_ping = usePing(false, stage, stages_.size());
render_engine.bind(use_ping ? *ping_ : *pong_);
render_engine.clearBuffers();
(*stages_[stage])(render_engine);
render_engine.unbind(use_ping ? *ping_ : *pong_);
}
}
render_engine.popDrawStates();
render_engine.setViewport(viewport_x, viewport_y, viewport_width, viewport_height);
}
}
void handleEvents(WorldState & state, RenderEngine & render)
{
bool shiftDown = sf::Keyboard::isKeyPressed(sf::Keyboard::LShift) ||sf::Keyboard::isKeyPressed(sf::Keyboard::RShift);
sf::Event Event;
while (App->pollEvent(Event))
{
if (Event.type == sf::Event::Closed)
state.setRunning(false);
if ((Event.type == sf::Event::KeyPressed) && (Event.key.code == sf::Keyboard::Escape))
state.setRunning(false);
if (Event.type == sf::Event::MouseButtonPressed)
{
previousPos = glm::vec2(Event.mouseButton.x, Event.mouseButton.y);
if(Event.mouseButton.button == sf::Mouse::Left && !shiftDown)
buttonDown[0] = 1;
if(Event.mouseButton.button == sf::Mouse::Right)
buttonDown[1] = true;
if(Event.mouseButton.button == sf::Mouse::Middle)
buttonDown[2] = true;
if(Event.mouseButton.button == sf::Mouse::Left && shiftDown)
buttonDown[2] = true;
}
if (Event.type == sf::Event::MouseButtonReleased)
{
if(Event.mouseButton.button == sf::Mouse::Left && !shiftDown)
buttonDown[0] = false;
if(Event.mouseButton.button == sf::Mouse::Right)
buttonDown[1] = false;
if(Event.mouseButton.button == sf::Mouse::Middle)
buttonDown[2] = false;
if(Event.mouseButton.button == sf::Mouse::Left && shiftDown)
buttonDown[2] = false;
lastUpdate = timer.getElapsedTime().asSeconds();
}
if (Event.type == sf::Event::Resized) {
render.reshape( Event.size.width, Event.size.height );
state.setSize( Event.size.width, Event.size.height );
}
}
lastUpdate = timer.getElapsedTime().asSeconds();
bool needsUpdate = lastUpdate > TIME_BETWEEN_UPDATES;
if (needsUpdate)
{
glm::ivec2 newPos = glm::ivec2(sf::Mouse::getPosition(*App).x, sf::Mouse::getPosition(*App).y);
if(buttonDown[0])
state.updateRotate(previousPos, newPos);
if(buttonDown[1])
state.updateXYTranslate(previousPos, newPos);
if(buttonDown[2])
state.updateZTranslate(previousPos, newPos);
lastUpdate = timer.restart().asSeconds();
previousPos = newPos;
}
}
RenderEngine* RenderEngine::create(EGLDisplay display, EGLConfig config) {
EGLint renderableType = 0;
EGLint contextClientVersion = 0;
// query the renderable type, setting the EGL_CONTEXT_CLIENT_VERSION accordingly
if (!eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType)) {
LOG_ALWAYS_FATAL("can't query EGLConfig RENDERABLE_TYPE");
}
if (renderableType & EGL_OPENGL_ES2_BIT) {
contextClientVersion = 2;
} else if (renderableType & EGL_OPENGL_ES_BIT) {
contextClientVersion = 1;
} else {
LOG_ALWAYS_FATAL("no supported EGL_RENDERABLE_TYPEs");
}
// Also create our EGLContext
EGLint contextAttributes[] = {
EGL_CONTEXT_CLIENT_VERSION, contextClientVersion, // MUST be first
#ifdef EGL_IMG_context_priority
#ifdef HAS_CONTEXT_PRIORITY
#warning "using EGL_IMG_context_priority"
EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_HIGH_IMG,
#endif
#endif
EGL_NONE, EGL_NONE
};
EGLContext ctxt = eglCreateContext(display, config, NULL, contextAttributes);
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt==EGL_NO_CONTEXT, "EGLContext creation failed");
// now figure out what version of GL did we actually get
// NOTE: a dummy surface is not needed if KHR_create_context is supported
EGLint attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE, EGL_NONE };
EGLSurface dummy = eglCreatePbufferSurface(display, config, attribs);
LOG_ALWAYS_FATAL_IF(dummy==EGL_NO_SURFACE, "can't create dummy pbuffer");
EGLBoolean success = eglMakeCurrent(display, dummy, dummy, ctxt);
LOG_ALWAYS_FATAL_IF(!success, "can't make dummy pbuffer current");
GLExtensions& extensions(GLExtensions::getInstance());
extensions.initWithGLStrings(
glGetString(GL_VENDOR),
glGetString(GL_RENDERER),
glGetString(GL_VERSION),
glGetString(GL_EXTENSIONS));
GlesVersion version = parseGlesVersion( extensions.getVersion() );
// initialize the renderer while GL is current
RenderEngine* engine = NULL;
switch (version) {
case GLES_VERSION_1_0:
engine = new GLES10RenderEngine();
break;
case GLES_VERSION_1_1:
engine = new GLES11RenderEngine();
break;
case GLES_VERSION_2_0:
case GLES_VERSION_3_0:
engine = new GLES20RenderEngine();
break;
}
engine->setEGLContext(ctxt);
ALOGI("OpenGL ES informations:");
ALOGI("vendor : %s", extensions.getVendor());
ALOGI("renderer : %s", extensions.getRenderer());
ALOGI("version : %s", extensions.getVersion());
ALOGI("extensions: %s", extensions.getExtension());
ALOGI("GL_MAX_TEXTURE_SIZE = %d", engine->getMaxTextureSize());
ALOGI("GL_MAX_VIEWPORT_DIMS = %d", engine->getMaxViewportDims());
eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(display, dummy);
return engine;
}
