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#include "../modules.h"
#if JIN_MODULES_RENDER
#include <iostream>
#include "window.h"
#include "3rdparty/GLee/GLee.h"
#include "canvas.h"
#include "../utils/utils.h"
#include "../audio/sdl/SDLAudio.h"
#include "../utils/log.h"
namespace jin
{
namespace render
{
onlyonce bool WindowSystem::initSystem(const SettingBase* s)
{
Loghelper::log(Loglevel::LV_INFO, "Init window system");
if (SDL_Init(SDL_INIT_VIDEO) < 0)
return false;
const WindowSetting* setting = (WindowSetting*)s;
width = setting->width;
height = setting->height;
bool vsync = setting->vsync;
const char* title = setting->title;
if (wnd)
{
SDL_DestroyWindow(wnd);
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;
wnd = SDL_CreateWindow(title, wx, wy, width, height, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL);
if (wnd == NULL)
return false;
ctx = SDL_GL_CreateContext(wnd);
if (ctx == NULL)
return false;
SDL_GL_SetSwapInterval(vsync ? 1 : 0);
SDL_GL_MakeCurrent(wnd, ctx);
glClearColor(0.f, 0.f, 0.f, 1.f);
glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glColor4f(1, 1, 1, 1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Canvas::unbind();
swapBuffers();
return true;
}
onlyonce void WindowSystem::quitSystem()
{
SDL_DestroyWindow(wnd);
}
inline void WindowSystem::swapBuffers()
{
if (wnd)
SDL_GL_SwapWindow(wnd);
}
}
}
#endif // JIN_MODULES_RENDER
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