// Creating a new window.
Window::Window(std::string title, int width, int height, bool fullscreen) throw(HCException) {
this->title = title;
this->width = width;
this->height = height;
this->fullscreen = fullscreen;
if (SDL_Init(SDL_INIT_EVERYTHING) != 0)
throw HCException("Failed to initialize SDL.\n", HC_WINDOW_EXCEPTION);
this->window = SDL_CreateWindow(
title.c_str(),
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
width, height,
fullscreen ? SDL_WINDOW_SHOWN | SDL_WINDOW_FULLSCREEN : SDL_WINDOW_SHOWN
);
if (this->window == nullptr) {
SDL_Quit();
throw HCException("Failed to open SDL window.\n", HC_WINDOW_EXCEPTION);
}
this->renderer = SDL_CreateRenderer(
this->window,
0,
SDL_RENDERER_ACCELERATED
);
if (this->renderer == nullptr) {
this->error = true;
SDL_DestroyWindow(this->window);
SDL_Quit();
throw HCException("Failed to create SDL renderer.\n", HC_WINDOW_EXCEPTION);
}
}
void GlTexture::init(GLenum target, const Vec2i& size, int depth, GLenum internal_format,
GLenum format, GLenum type, const void* ptr, GLenum minFilter, GLenum magFilter, GLenum wrap)
{
if (m_obj != -1)
destroy();
m_target = target;
glGenTextures(1, &m_obj);
//printf(":%d\n", m_obj);
glBindTexture(target, m_obj);
mglCheckErrorsC("bind");
if (target == GL_TEXTURE_2D)
{
#ifdef QT_CORE_LIB
// see http://www.opengl.org/wiki/Common_Mistakes
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
#endif
if (ptr != nullptr) {
glTexImage2D(target, 0, internal_format, size.width, size.height, 0, format, type, ptr);
mglCheckErrorsC("tex2d");
}
}
else {
throw HCException("texture not supported");
}
/*if (target == GL_TEXTURE_1D)
{
glTexImage1D(target, 0, internal_format, size.width, 0, format, type, ptr);
mglCheckErrorsC("tex1d");
}
else if ((target == GL_TEXTURE_3D) || (target == GL_TEXTURE_2D_ARRAY_EXT))
{
glTexImage3D(target, 0, internal_format, size.width(), size.height(), depth, 0, format, type, ptr);
mglCheckErrorsC("tex3d");
}*/
/*if (minFilter == GL_LINEAR_MIPMAP_LINEAR || minFilter == GL_NEAREST_MIPMAP_LINEAR ||
minFilter == GL_LINEAR_MIPMAP_NEAREST || minFilter == GL_NEAREST_MIPMAP_NEAREST)
{
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
}*/
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilter);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilter);
glTexParameteri(target, GL_TEXTURE_WRAP_S, wrap);
glTexParameteri(target, GL_TEXTURE_WRAP_T, wrap);
//glTexParameteri(target, GL_TEXTURE_WRAP_R, wrap);
m_size = Vec3i(size.width, size.height, depth);
mglCheckErrorsC("texture");
}
void HCError( int err_num, ... )
{
ErrString string = err_strings[err_num];
va_list values;
fputc( '\n', stderr );
va_start( values, err_num );
ErrorPrint( stderr, string, values );
va_end( values );
// Throw an exception to jump back to main().
throw HCException();
}
