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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/debug.h"
#include "engines/util.h"
#include "graphics/pixelformat.h"
#include "titanic/support/direct_draw.h"
#include "titanic/titanic.h"
namespace Titanic {
DirectDraw::DirectDraw() : _windowed(false), _width(0), _height(0),
_bpp(0), _numBackSurfaces(0) {
}
void DirectDraw::setDisplayMode(int width, int height, int bpp, int refreshRate) {
debugC(ERROR_BASIC, kDebugGraphics, "DirectDraw::SetDisplayMode (%d x %d), %d bpp",
width, height, bpp);
assert(bpp == 16);
Graphics::PixelFormat pixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
initGraphics(width, height, true, &pixelFormat);
}
void DirectDraw::diagnostics() {
debugC(ERROR_BASIC, kDebugGraphics, "Running DirectDraw Diagnostic...");
}
DirectDrawSurface *DirectDraw::createSurfaceFromDesc(const DDSurfaceDesc &desc) {
DirectDrawSurface *surface = new DirectDrawSurface();
surface->create(desc._w, desc._h, desc._bpp);
return surface;
}
/*------------------------------------------------------------------------*/
DirectDrawManager::DirectDrawManager(TitanicEngine *vm, bool windowed) {
_mainSurface = nullptr;
_backSurfaces[0] = _backSurfaces[1] = nullptr;
_directDraw._windowed = windowed;
}
void DirectDrawManager::initVideo(int width, int height, int bpp, int numBackSurfaces) {
debugC(ERROR_BASIC, kDebugGraphics, "Initialising video surfaces");
_directDraw._width = width;
_directDraw._numBackSurfaces = numBackSurfaces;
_directDraw._height = height;
_directDraw._bpp = bpp;
if (_directDraw._windowed) {
initWindowed();
} else {
initFullScreen();
}
}
void DirectDrawManager::initFullScreen() {
debugC(ERROR_BASIC, kDebugGraphics, "Creating surfaces");
_directDraw.setDisplayMode(_directDraw._width, _directDraw._height,
_directDraw._bpp, 0);
_mainSurface = new DirectDrawSurface();
_mainSurface->create(g_vm->_screen);
_backSurfaces[0] = new DirectDrawSurface();
_backSurfaces[0]->create(_directDraw._width, _directDraw._height, 32);
}
DirectDrawSurface *DirectDrawManager::createSurface(int w, int h, int bpp, int surfaceNum) {
if (surfaceNum)
return nullptr;
assert(_mainSurface);
return _directDraw.createSurfaceFromDesc(DDSurfaceDesc(w, h, bpp));
}
} // End of namespace Titanic
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