scummvm/engines/stark/gfx/driver.cpp
Cameron Cawley 03e8f0ed2d
ENGINES: Remove code for toggling fullscreen mode (#2523)
* GRIM: Remove code for toggling fullscreen mode

* MYST3: Remove code for toggling fullscreen mode

* STARK: Remove code for toggling fullscreen mode

* ENGINES: Remove the fullscreen argument from initGraphics3d()
2020-10-14 07:49:28 +02:00

139 lines
4.5 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/stark/gfx/driver.h"
#include "engines/stark/gfx/opengls.h"
#include "common/config-manager.h"
#include "graphics/surface.h"
#ifdef USE_OPENGL_GAME
#include "graphics/opengl/context.h"
#endif
#include "engines/util.h"
namespace Stark {
namespace Gfx {
Driver *Driver::create() {
#if defined(USE_GLES2) || defined(USE_OPENGL_SHADERS)
initGraphics3d(kOriginalWidth, kOriginalHeight);
if (OpenGLContext.shadersSupported) {
return new OpenGLSDriver();
} else {
error("Your system does not have the required OpenGL capabilities");
}
#endif // defined(USE_GLES2) || defined(USE_OPENGL_SHADERS)
error("No renderers have been found for this game");
}
const Graphics::PixelFormat Driver::getRGBAPixelFormat() {
#ifdef SCUMM_BIG_ENDIAN
return Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
#else
return Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24);
#endif
}
bool Driver::computeScreenViewport() {
int32 screenWidth = g_system->getWidth();
int32 screenHeight = g_system->getHeight();
Common::Rect viewport;
if (g_system->getFeatureState(OSystem::kFeatureAspectRatioCorrection)) {
// Aspect ratio correction
int32 viewportWidth = MIN<int32>(screenWidth, screenHeight * kOriginalWidth / kOriginalHeight);
int32 viewportHeight = MIN<int32>(screenHeight, screenWidth * kOriginalHeight / kOriginalWidth);
viewport = Common::Rect(viewportWidth, viewportHeight);
// Pillarboxing
viewport.translate((screenWidth - viewportWidth) / 2,
(screenHeight - viewportHeight) / 2);
} else {
// Aspect ratio correction disabled, just stretch
viewport = Common::Rect(screenWidth, screenHeight);
}
if (viewport == _screenViewport) {
return false;
}
_screenViewport = viewport;
return true;
}
Common::Rect Driver::gameViewport() const {
Common::Rect game = Common::Rect(_screenViewport.width(), _screenViewport.height() * kGameViewportHeight / kOriginalHeight);
game.translate(_screenViewport.left, _screenViewport.top + _screenViewport.height() * kTopBorderHeight / kOriginalHeight);
return game;
}
Common::Point Driver::convertCoordinateCurrentToOriginal(const Common::Point &point) const {
// Most of the engine expects 640x480 coordinates
Common::Point scaledPosition = point;
scaledPosition.x -= _screenViewport.left;
scaledPosition.y -= _screenViewport.top;
scaledPosition.x = CLIP<int16>(scaledPosition.x, 0, _screenViewport.width());
scaledPosition.y = CLIP<int16>(scaledPosition.y, 0, _screenViewport.height());
scaledPosition.x *= kOriginalWidth / (float)_screenViewport.width();
scaledPosition.y *= kOriginalHeight / (float)_screenViewport.height();
return scaledPosition;
}
uint Driver::scaleWidthOriginalToCurrent(uint width) const {
return _screenViewport.width() * width / kOriginalWidth;
}
uint Driver::scaleHeightOriginalToCurrent(uint height) const {
return _screenViewport.height() * height / kOriginalHeight;
}
uint Driver::scaleWidthCurrentToOriginal(uint width) const {
return kOriginalWidth * width / _screenViewport.width();
}
uint Driver::scaleHeightCurrentToOriginal(uint height) const {
return kOriginalHeight * height / _screenViewport.height();
}
void Driver::flipVertical(Graphics::Surface *s) {
for (int y = 0; y < s->h / 2; ++y) {
// Flip the lines
byte *line1P = (byte *)s->getBasePtr(0, y);
byte *line2P = (byte *)s->getBasePtr(0, s->h - y - 1);
for (int x = 0; x < s->pitch; ++x)
SWAP(line1P[x], line2P[x]);
}
}
bool Driver::isPosInScreenBounds(const Common::Point &point) const {
return _screenViewport.contains(point);
}
} // End of namespace Gfx
} // End of namespace Stark