void UIContext::set_size(const Size2i& dims)
{
Point2f scale( 1.0f, 1.0f );
Size2i res(Size2i::zero);
nom::RocketSDL2RenderInterface* target =
NOM_DYN_PTR_CAST( nom::RocketSDL2RenderInterface*,
Rocket::Core::GetRenderInterface() );
NOM_ASSERT( target != nullptr );
const RenderWindow* context = target->window_;
NOM_ASSERT( context != nullptr );
if( target && context )
{
SDL_RenderGetScale( context->renderer(), &scale.x, &scale.y );
}
// Translations for independent resolution scale dimensions (SDL2); this is
// necessary things like the visual debugger elements to stay on-screen
// without manually positioning it.
res.w = dims.w / scale.x;
res.h = dims.h / scale.y;
this->context_->SetDimensions( Rocket::Core::Vector2i(res.w, res.h) );
}
void Window::scaleRenderer()
{
if (this->_windowMode.w <= 0)
{
SDL_SetWindowSize(this->_window, 1, this->_windowMode.h);
}
if (this->_windowMode.h <= 0)
{
SDL_SetWindowSize(this->_window, this->_windowMode.w, 1);
}
SDL_RenderSetLogicalSize(this->_renderer,
this->_game->settings.getInt("RenderWidth"),
this->_game->settings.getInt("RenderHeight"));
// scale the renderer to the smallest window w/h, and to fill up the remaining empty space (assuming the aspect ratio wasn't conserved), increase the rendering resolution of that axis till it fits
// so the minimum scaled side retains its rendering resolution from settings.xml, but the other side increases its resolution to fit the window
int curWindW;
int curWindH;
SDL_GetWindowSize(this->_window, &curWindW, &curWindH);
int tempWinDMin = std::min(curWindW, curWindH);
int curRendW;
int curRendH;
SDL_RenderGetLogicalSize(this->_renderer, &curRendW, &curRendH);
int tempRendMin = std::min(curRendW, curRendH);
float aspectMin = static_cast<float>(tempWinDMin) / tempRendMin; // scale on both x and y
float tempWindMax = std::max(curWindW, curWindH);
//TODO: possible floating point inaccuracies
curRendW = (static_cast<int>(curRendW * aspectMin) == tempWinDMin) ? curRendW : tempWindMax / aspectMin;
curRendW = (static_cast<int>(curRendH * aspectMin) == tempWinDMin) ? curRendH : tempWindMax / aspectMin;
SDL_RenderSetLogicalSize(this->_renderer, curRendW, curRendH);
// set scale to be uniform on x and y
SDL_RenderSetScale(this->_renderer, aspectMin, aspectMin);
//it's scaled up and we want the min renderer side to remain the same, as it's currently already fitted nicely, but the other side? theres now a blank space, lets increase the rendering resolution of the renderer on that axis
SDL_RenderGetLogicalSize(this->_renderer, &this->_renderMode.w, &this->_renderMode.h);
SDL_RenderGetScale(this->_renderer, &this->_renderMode.scaleX, &this->_renderMode.scaleY);
}
void Renderer::init()
{
// TODO: android/ios
// _width = deviceWidth;
// _height = deviceHeight;
// Game::getInstance()->engineSettings()->setFullscreen(true);
// Game::getInstance()->engineSettings()->setScale(1); //or 2, if fullhd device
std::string message = "SDL_CreateWindow " + std::to_string(_width) + "x" + std::to_string(_height) + "x" +std::to_string(32)+ " - ";
uint32_t flags = SDL_WINDOW_SHOWN;
if (Game::getInstance()->settings()->fullscreen())
{
flags |= SDL_WINDOW_FULLSCREEN;
}
_sdlWindow = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, _width, _height, flags);
if (!_sdlWindow)
{
throw Exception(message + "[FAIL]");
}
Logger::info("RENDERER") << message + "[OK]" << std::endl;
message = "SDL_CreateRenderer - ";
_sdlRenderer = SDL_CreateRenderer(_sdlWindow, -1, SDL_RENDERER_ACCELERATED);
if (!_sdlRenderer)
{
throw Exception(message + "[FAIL]");
}
Logger::info("RENDERER") << message + "[OK]" << std::endl;
SDL_SetRenderDrawBlendMode(_sdlRenderer, SDL_BLENDMODE_BLEND);
if (Game::getInstance()->settings()->scale() != 0)
{
switch (Game::getInstance()->settings()->scale())
{
default:
case 1:
_width = _width / (_height / 480.0);
_height= 480;
break;
case 2:
_width = _width / (_height / 960.0);
_height= 960;
break;
}
SDL_RenderSetLogicalSize(_sdlRenderer, _width, _height);
SDL_RenderGetScale(_sdlRenderer, &_scaleX, &_scaleY);
}
SDL_RendererInfo rendererInfo;
SDL_GetRendererInfo(_sdlRenderer, &rendererInfo);
Logger::info("RENDERER") << "name: " << rendererInfo.name << std::endl;
if (rendererInfo.flags & SDL_RENDERER_SOFTWARE)
{
Logger::info("RENDERER") << "flags: SDL_RENDERER_SOFTWARE" << std::endl;
}
if (rendererInfo.flags & SDL_RENDERER_ACCELERATED)
{
Logger::info("RENDERER") << "flags: SDL_RENDERER_ACCELERATED" << std::endl;
}
Logger::info("RENDERER") << "num_texture_formats: " << rendererInfo.num_texture_formats << std::endl;
for (unsigned int i = 0; i != 16; i++)
{
auto& info = Logger::info("RENDERER");
info << "texture_formats[" << i << "]: ";
auto format = rendererInfo.texture_formats[i];
switch (format)
{
case SDL_PIXELFORMAT_INDEX1LSB:
info << "SDL_PIXELFORMAT_INDEX1LSB";
break;
case SDL_PIXELFORMAT_INDEX1MSB:
info << "SDL_PIXELFORMAT_INDEX1MSB";
break;
case SDL_PIXELFORMAT_INDEX4LSB:
info << "SDL_PIXELFORMAT_INDEX4LSB";
break;
case SDL_PIXELFORMAT_INDEX4MSB:
info << "SDL_PIXELFORMAT_INDEX4MSB";
break;
case SDL_PIXELFORMAT_INDEX8:
info << "SDL_PIXELFORMAT_INDEX8";
break;
case SDL_PIXELFORMAT_RGBA8888:
info << "SDL_PIXELFORMAT_RGBA8888";
break;
case SDL_PIXELFORMAT_ARGB8888:
info << "SDL_PIXELFORMAT_ARGB8888";
break;
case SDL_PIXELFORMAT_RGB888:
info << "SDL_PIXELFORMAT_RGB888";
break;
default:
info << format;
break;
}
info << std::endl;
}
Logger::info("RENDERER") << "max_texture_width: " << rendererInfo.max_texture_width << std::endl;
Logger::info("RENDERER") << "max_texture_height: " << rendererInfo.max_texture_height << std::endl;
}
Vector2f Renderer::getScale() const {
Vector2f scale;
SDL_RenderGetScale(_renderer, &scale.x, &scale.y);
return scale;
}