mirror of
https://github.com/libretro/scummvm.git
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99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "titanic/support/direct_draw.h"
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#include "titanic/debugger.h"
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#include "titanic/titanic.h"
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#include "common/debug.h"
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#include "engines/util.h"
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#include "graphics/pixelformat.h"
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#include "graphics/screen.h"
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namespace Titanic {
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DirectDraw::DirectDraw() : _windowed(false), _width(0), _height(0),
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_bpp(0), _numBackSurfaces(0) {
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}
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void DirectDraw::setDisplayMode(int width, int height, int bpp, int refreshRate) {
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debugC(DEBUG_BASIC, kDebugGraphics, "DirectDraw::SetDisplayMode (%d x %d), %d bpp",
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width, height, bpp);
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assert(bpp == 16);
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Graphics::PixelFormat pixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
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initGraphics(width, height, &pixelFormat);
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}
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void DirectDraw::diagnostics() {
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debugC(DEBUG_BASIC, kDebugGraphics, "Running DirectDraw Diagnostic...");
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}
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DirectDrawSurface *DirectDraw::createSurfaceFromDesc(const DDSurfaceDesc &desc) {
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DirectDrawSurface *surface = new DirectDrawSurface();
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surface->create(desc._w, desc._h, desc._bpp);
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return surface;
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}
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/*------------------------------------------------------------------------*/
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DirectDrawManager::DirectDrawManager(TitanicEngine *vm, bool windowed) {
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_mainSurface = nullptr;
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_backSurfaces[0] = _backSurfaces[1] = nullptr;
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_directDraw._windowed = windowed;
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}
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void DirectDrawManager::initVideo(int width, int height, int bpp, int numBackSurfaces) {
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debugC(DEBUG_BASIC, kDebugGraphics, "Initialising video surfaces");
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assert(numBackSurfaces == 0);
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_directDraw._width = width;
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_directDraw._numBackSurfaces = numBackSurfaces;
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_directDraw._height = height;
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_directDraw._bpp = bpp;
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if (_directDraw._windowed) {
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initWindowed();
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} else {
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initFullScreen();
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}
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}
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void DirectDrawManager::initFullScreen() {
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debugC(DEBUG_BASIC, kDebugGraphics, "Creating surfaces");
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_directDraw.setDisplayMode(_directDraw._width, _directDraw._height,
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_directDraw._bpp, 0);
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// Set up the main surface to point to the screen
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_mainSurface = new DirectDrawSurface();
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_mainSurface->create(g_vm->_screen);
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}
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DirectDrawSurface *DirectDrawManager::createSurface(int w, int h, int bpp, int surfaceNum) {
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if (surfaceNum)
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return nullptr;
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assert(_mainSurface);
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return _directDraw.createSurfaceFromDesc(DDSurfaceDesc(w, h, bpp));
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}
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} // End of namespace Titanic
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