From 1835588f29ba1e304a225f3f37f7ae7be85bad16 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Wed, 16 Dec 2015 20:39:17 +0300 Subject: Add mobileopenglscreenshothelper. --- src/resources/mobileopenglscreenshothelper.cpp | 127 +++++++++++++++++++++++++ src/resources/mobileopenglscreenshothelper.h | 52 ++++++++++ 2 files changed, 179 insertions(+) create mode 100644 src/resources/mobileopenglscreenshothelper.cpp create mode 100644 src/resources/mobileopenglscreenshothelper.h (limited to 'src/resources') diff --git a/src/resources/mobileopenglscreenshothelper.cpp b/src/resources/mobileopenglscreenshothelper.cpp new file mode 100644 index 000000000..50dbcbc64 --- /dev/null +++ b/src/resources/mobileopenglscreenshothelper.cpp @@ -0,0 +1,127 @@ +/* + * The ManaPlus Client + * Copyright (C) 2004-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2015 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * 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 + * 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 . + */ + +#if defined(USE_OPENGL) && !defined(ANDROID) + +#include "resources/mobileopenglscreenshothelper.h" + +#include "configuration.h" +#include "graphicsmanager.h" + +#include "render/mgl.h" +#ifdef __native_client__ +#include "render/naclglfunctions.h" +#endif + +#include "debug.h" + +MobileOpenGLScreenshotHelper::MobileOpenGLScreenshotHelper() : + ScreenshotHelper(), + mFbo() +{ +} + +MobileOpenGLScreenshotHelper::~MobileOpenGLScreenshotHelper() +{ +} + +void MobileOpenGLScreenshotHelper::prepare() +{ + if (config.getBoolValue("usefbo")) + graphicsManager.createFBO(mainGraphics->mWidth, + mainGraphics->mHeight, + &mFbo); +} + +SDL_Surface *MobileOpenGLScreenshotHelper::getScreenshot() +{ + const int h = mainGraphics->mHeight; + const int w = mainGraphics->mWidth - (mainGraphics->mWidth % 4); + GLint pack = 1; + + SDL_Surface *const tmpImage = MSDL_CreateRGBSurface( + SDL_SWSURFACE, w, h, 32, + 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000); + + if (!tmpImage) + return nullptr; + + // Grap the pixel buffer and write it to the SDL surface + mglGetIntegerv(GL_PACK_ALIGNMENT, &pack); + mglPixelStorei(GL_PACK_ALIGNMENT, 1); + mglReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels); + + const size_t lineSize = 3 * w; + GLubyte *const buf = new GLubyte[lineSize]; + + SDL_Surface *const screenshot = MSDL_CreateRGBSurface( + SDL_SWSURFACE, w, h, 24, + 0xff0000, 0x00ff00, 0x0000ff, 0x000000); + + if (!screenshot) + { + MSDL_FreeSurface(tmpImage); + return nullptr; + } + +#ifdef USE_SDL2 + SDL_SetSurfaceAlphaMod(tmpImage, SDL_ALPHA_OPAQUE); + SDL_SetSurfaceBlendMode(tmpImage, SDL_BLENDMODE_NONE); +#else + // Make sure the alpha channel is not used, but copied to destination + SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE); +#endif + + if (SDL_MUSTLOCK(screenshot)) + SDL_LockSurface(screenshot); + + SDL_BlitSurface(tmpImage, nullptr, screenshot, nullptr); + MSDL_FreeSurface(tmpImage); + + // Flip the screenshot, as OpenGL has 0,0 in bottom left + const int h2 = h / 2; + for (int i = 0; i < h2; i++) + { + GLubyte *const top = static_cast( + screenshot->pixels) + lineSize * i; + GLubyte *const bot = static_cast( + screenshot->pixels) + lineSize * (h - 1 - i); + + memcpy(buf, top, lineSize); + memcpy(top, bot, lineSize); + memcpy(bot, buf, lineSize); + } + + delete [] buf; + + if (config.getBoolValue("usefbo")) + graphicsManager.deleteFBO(&mFbo); + + mglPixelStorei(GL_PACK_ALIGNMENT, pack); + + if (SDL_MUSTLOCK(screenshot)) + SDL_UnlockSurface(screenshot); + + return screenshot; +} + +#endif // defined(USE_OPENGL) && !defined(ANDROID) diff --git a/src/resources/mobileopenglscreenshothelper.h b/src/resources/mobileopenglscreenshothelper.h new file mode 100644 index 000000000..fa06d0dc5 --- /dev/null +++ b/src/resources/mobileopenglscreenshothelper.h @@ -0,0 +1,52 @@ +/* + * The ManaPlus Client + * Copyright (C) 2004-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2015 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * 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 + * 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 . + */ + +#ifndef RESOURCES_MOBILEOPENGLSCREENSHOTHELPER_H +#define RESOURCES_MOBILEOPENGLSCREENSHOTHELPER_H + +#if defined(USE_OPENGL) && !defined(ANDROID) + +#include "resources/screenshothelper.h" + +#include "resources/fboinfo.h" + +#include "localconsts.h" + +class MobileOpenGLScreenshotHelper final : public ScreenshotHelper +{ + public: + MobileOpenGLScreenshotHelper(); + + A_DELETE_COPY(MobileOpenGLScreenshotHelper) + + ~MobileOpenGLScreenshotHelper(); + + void prepare() override final; + + SDL_Surface *getScreenshot() override final; + + private: + FBOInfo mFbo; +}; + +#endif // defined(USE_OPENGL) && !defined(ANDROID) +#endif // RESOURCES_MOBILEOPENGLSCREENSHOTHELPER_H -- cgit v1.2.3-70-g09d2