diff options
Diffstat (limited to 'src/libjin/graphics/je_window.cpp')
| -rw-r--r-- | src/libjin/graphics/je_window.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/libjin/graphics/je_window.cpp b/src/libjin/graphics/je_window.cpp new file mode 100644 index 0000000..c14d290 --- /dev/null +++ b/src/libjin/graphics/je_window.cpp @@ -0,0 +1,130 @@ +#include "../core/je_configuration.h" +#if defined(jin_graphics) + +#include <iostream> + +#include "../common/je_exception.h" +#include "../utils/je_utils.h" +#include "../audio/sdl/je_sdl_audio.h" +#include "../utils/je_log.h" + +#include "shaders/je_shader.h" +#include "je_window.h" +#include "je_gl.h" +#include "je_canvas.h" + +using namespace JinEngine::Graphics::Shaders; + +namespace JinEngine +{ + namespace Graphics + { + + bool Window::initSystem(const SettingBase* s) + { + jin_log_info("Initialize window system."); + + if (SDL_Init(SDL_INIT_VIDEO) < 0) + return false; + + const Setting* setting = (Setting*)s; + mSize.w = setting->width; + mSize.h = setting->height; + mFps = setting->fps; + bool vsync = setting->vsync; + const char* title = setting->title; + const char* icon = setting->icon; + + if (mWnd) + { + SDL_DestroyWindow(mWnd); + SDL_FlushEvent(SDL_WINDOWEVENT); + } + + SDL_GLContext ctx = NULL; + + if (ctx) + { + SDL_GL_DeleteContext(ctx); + } + + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); + SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + + int wx = SDL_WINDOWPOS_UNDEFINED, + wy = SDL_WINDOWPOS_UNDEFINED; + + int flag = SDL_WINDOW_HIDDEN | SDL_WINDOW_OPENGL; + if (setting->fullscreen) flag |= SDL_WINDOW_FULLSCREEN; + if (setting->resizable) flag |= SDL_WINDOW_RESIZABLE; + + mWnd = SDL_CreateWindow(title, wx, wy, mSize.w, mSize.h, flag); + if (mWnd == NULL) + return false; + + // Set window icon + try + { + Bitmap* bitmap = Bitmap::createBitmap(icon); + SDL_Surface *surface; + Color* pixels = const_cast<Color*>(bitmap->getPixels()); + uint w = bitmap->getWidth(), h = bitmap->getHeight(); + surface = SDL_CreateRGBSurfaceFrom( + pixels, w, h, 32, w * 4, Color::RMASK, Color::GMASK, Color::BMASK, Color::AMASK); + SDL_SetWindowIcon(mWnd, surface); + SDL_FreeSurface(surface); + } catch (...) {} + + ctx = SDL_GL_CreateContext(mWnd); + if (ctx == NULL) + return false; + SDL_GL_SetSwapInterval(vsync ? 1 : 0); + SDL_GL_MakeCurrent(mWnd, ctx); + // Default configuration + gl.setClearColor(0, 0, 0, 0xff); + glClear(GL_COLOR_BUFFER_BIT); + gl.pushColor(0xff, 0xff, 0xff, 0xff); + gl.enable(GL_BLEND); + gl.enable(GL_TEXTURE_2D); + gl.setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + // Bind to default canvas + Canvas::unbind(); + Shader::unuse(); + // Avoid white blinnk. + swapBuffers(); + + return true; + } + + void Window::quitSystem() + { + jin_log_info("Quit window system."); + // disable opengl + gl.disable(GL_BLEND); + gl.disable(GL_TEXTURE_2D); + // close window + SDL_DestroyWindow(mWnd); + SDL_Quit(); + } + + void Window::swapBuffers() + { + if (mWnd) + SDL_GL_SwapWindow(mWnd); + } + + void Window::setTitle(const char* title) + { + SDL_SetWindowTitle(mWnd, title); + }; + + } // namespace Graphics +} // namespace JinEngine + +#endif // defined(jin_graphics)
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