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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "backends/graphics/ios/ios-graphics.h"
#include "backends/graphics/ios/renderbuffer.h"
#include "backends/graphics/opengl/pipelines/pipeline.h"
#include "backends/platform/ios7/ios7_osys_main.h"
iOSGraphicsManager::iOSGraphicsManager() {
initSurface();
}
iOSGraphicsManager::~iOSGraphicsManager() {
deinitSurface();
}
void iOSGraphicsManager::initSurface() {
OSystem_iOS7 *sys = dynamic_cast<OSystem_iOS7 *>(g_system);
// Create OpenGL context
GLuint rbo = sys->createOpenGLContext();
notifyContextCreate(OpenGL::kContextGLES2,
new OpenGL::RenderbufferTarget(rbo),
// Currently iOS runs the ARMs in little-endian mode but prepare if
// that is changed in the future.
#ifdef SCUMM_LITTLE_ENDIAN
Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24),
Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24));
#else
Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0),
Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0));
#endif
handleResize(sys->getScreenWidth(), sys->getScreenHeight());
_old_touch_mode = kTouchModeTouchpad;
// not in 3D, not in GUI
sys->applyTouchSettings(false, false);
}
void iOSGraphicsManager::deinitSurface() {
notifyContextDestroy();
dynamic_cast<OSystem_iOS7 *>(g_system)->destroyOpenGLContext();
}
void iOSGraphicsManager::notifyResize(const int width, const int height) {
handleResize(width, height);
}
iOSCommonGraphics::State iOSGraphicsManager::getState() const {
State state;
state.screenWidth = getWidth();
state.screenHeight = getHeight();
state.aspectRatio = getFeatureState(OSystem::kFeatureAspectRatioCorrection);
state.cursorPalette = getFeatureState(OSystem::kFeatureCursorPalette);
#ifdef USE_RGB_COLOR
state.pixelFormat = getScreenFormat();
#endif
return state;
}
bool iOSGraphicsManager::setState(const iOSCommonGraphics::State &state) {
beginGFXTransaction();
#ifdef USE_RGB_COLOR
initSize(state.screenWidth, state.screenHeight, &state.pixelFormat);
#else
initSize(state.screenWidth, state.screenHeight, nullptr);
#endif
setFeatureState(OSystem::kFeatureAspectRatioCorrection, state.aspectRatio);
setFeatureState(OSystem::kFeatureCursorPalette, state.cursorPalette);
return endGFXTransaction() == OSystem::kTransactionSuccess;
}
bool iOSGraphicsManager::loadVideoMode(uint requestedWidth, uint requestedHeight, const Graphics::PixelFormat &format) {
/* The iOS and tvOS video modes are always full screen */
return true;
}
void iOSGraphicsManager::showOverlay(bool inGUI) {
if (_overlayVisible && inGUI == _overlayInGUI)
return;
// Don't change touch mode when not changing mouse coordinates
if (inGUI) {
_old_touch_mode = dynamic_cast<OSystem_iOS7 *>(g_system)->getCurrentTouchMode();
// not in 3D, in overlay
dynamic_cast<OSystem_iOS7 *>(g_system)->applyTouchSettings(false, true);
} else if (_overlayInGUI) {
// Restore touch mode active before overlay was shown
dynamic_cast<OSystem_iOS7 *>(g_system)->setCurrentTouchMode(static_cast<TouchMode>(_old_touch_mode));
}
OpenGL::OpenGLGraphicsManager::showOverlay(inGUI);
}
void iOSGraphicsManager::hideOverlay() {
if (_overlayInGUI) {
// Restore touch mode active before overlay was shown
dynamic_cast<OSystem_iOS7 *>(g_system)->setCurrentTouchMode(static_cast<TouchMode>(_old_touch_mode));
}
OpenGL::OpenGLGraphicsManager::hideOverlay();
}
float iOSGraphicsManager::getHiDPIScreenFactor() const {
return dynamic_cast<OSystem_iOS7 *>(g_system)->getSystemHiDPIScreenFactor();
}
void iOSGraphicsManager::refreshScreen() {
dynamic_cast<OSystem_iOS7 *>(g_system)->refreshScreen();
}
bool iOSGraphicsManager::notifyMousePosition(Common::Point &mouse) {
mouse.x = CLIP<int16>(mouse.x, _activeArea.drawRect.left, _activeArea.drawRect.right);
mouse.y = CLIP<int16>(mouse.y, _activeArea.drawRect.top, _activeArea.drawRect.bottom);
setMousePosition(mouse.x, mouse.y);
mouse = convertWindowToVirtual(mouse.x, mouse.y);
return true;
}
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