mirror of
https://github.com/libretro/scummvm.git
synced 2025-04-07 17:22:02 +00:00
133 lines
3.7 KiB
C++
133 lines
3.7 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 "backends/base-backend.h"
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#include "graphics/scalerplugin.h"
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#ifndef DISABLE_DEFAULT_EVENT_MANAGER
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#include "backends/events/default/default-events.h"
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#endif
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#ifndef DISABLE_DEFAULT_AUDIOCD_MANAGER
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#include "backends/audiocd/default/default-audiocd.h"
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#endif
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#include "gui/message.h"
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bool BaseBackend::setScaler(const char *name, int factor) {
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if (!name)
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return false;
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if (!scumm_stricmp(name, "default"))
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return setScaler(getDefaultScaler(), factor);
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const PluginList &scalerPlugins = ScalerMan.getPlugins();
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for (uint scalerIndex = 0; scalerIndex < scalerPlugins.size(); scalerIndex++) {
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if (!scumm_stricmp(scalerPlugins[scalerIndex]->get<ScalerPluginObject>().getName(), name)) {
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return setScaler(scalerIndex, factor);
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}
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}
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return false;
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}
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void BaseBackend::displayMessageOnOSD(const Common::U32String &msg) {
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// Display the message for 1.5 seconds
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GUI::TimedMessageDialog dialog(msg, 1500);
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dialog.runModal();
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}
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void BaseBackend::initBackend() {
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// Init audio CD manager
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#ifndef DISABLE_DEFAULT_AUDIOCD_MANAGER
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if (!_audiocdManager)
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_audiocdManager = new DefaultAudioCDManager();
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#endif
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_cpuFeatures = kCpuNoFeatures;
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#if defined(__x86_64__) || defined(__i686__) || defined(_M_X86) || defined(_M_X64)
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uint32 ext_edx1 = 0, ext_ebx7 = 0, ext_ecx1 = 0;
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# ifdef __GNUC__
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asm ("mov $1, %%eax\n\t"
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"cpuid\n\t"
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"mov %%edx, %0\n\t"
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"mov %%ecx, %2\n\t"
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"mov $7, %%eax\n\t"
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"cpuid\n\t"
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"mov %%ebx, %1\n\t"
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: "=rm" (ext_edx1), "=rm" (ext_ebx7), "=rm" (ext_ecx1)
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:
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: "eax", "ebx", "ecx", "edx");
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# elif _MSC_VER
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__asm
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{
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mov eax,1
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cpuid
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mov ext_edx1,edx
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mov ext_ecx1,ecx
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mov ebx,7
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cpuid
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mov ext_ebx7,ebx
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}
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# endif // __GNUC__ and _MSC_VER
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_cpuFeatures |= (ext_edx1 & (1 << 26)) ? kCpuFeatureSSE2 : kCpuNoFeatures;
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_cpuFeatures |= (ext_ebx7 & (1 << 5)) ? kCpuFeatureAVX2 : kCpuNoFeatures;
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_cpuFeatures |= (ext_ecx1 & (1 << 19)) ? kCpuFeatureSSE41 : kCpuNoFeatures;
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#endif // __x86_64__ and __i686__
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#if defined(__ARM_NEON) || defined(__ARM_NEON__)
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_cpuFeatures |= kCpuFeatureNEON;
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#endif
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OSystem::initBackend();
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}
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bool BaseBackend::hasFeature(Feature f) {
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if (f == kFeatureSSE2) return _cpuFeatures & kCpuFeatureSSE2;
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if (f == kFeatureAVX2) return _cpuFeatures & kCpuFeatureAVX2;
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if (f == kFeatureNEON) return _cpuFeatures & kCpuFeatureNEON;
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return false;
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}
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void BaseBackend::fillScreen(uint32 col) {
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Graphics::Surface *screen = lockScreen();
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if (screen)
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screen->fillRect(Common::Rect(screen->w, screen->h), col);
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unlockScreen();
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}
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void BaseBackend::fillScreen(const Common::Rect &r, uint32 col) {
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Graphics::Surface *screen = lockScreen();
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if (screen)
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screen->fillRect(r, col);
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unlockScreen();
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}
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void EventsBaseBackend::initBackend() {
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// Init Event manager
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#ifndef DISABLE_DEFAULT_EVENT_MANAGER
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if (!_eventManager)
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_eventManager = new DefaultEventManager(this);
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#endif
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BaseBackend::initBackend();
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}
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