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https://github.com/OpenTTD/OpenTTD.git
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f0f2073006
Vsync should be off by default, as for most players it will be better to play without vsync. Exception exist, mainly people who play in fullscreen mode.
60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file sdl2_opengl_v.h OpenGL backend of the SDL2 video driver. */
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#include "sdl2_v.h"
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/** The OpenGL video driver for windows. */
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class VideoDriver_SDL_OpenGL : public VideoDriver_SDL_Base {
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public:
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VideoDriver_SDL_OpenGL() : gl_context(nullptr), anim_buffer(nullptr) {}
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const char *Start(const StringList ¶m) override;
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void Stop() override;
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bool HasEfficient8Bpp() const override { return true; }
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bool UseSystemCursor() override { return true; }
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void ClearSystemSprites() override;
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void PopulateSystemSprites() override;
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bool HasAnimBuffer() override { return true; }
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uint8 *GetAnimBuffer() override { return this->anim_buffer; }
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void ToggleVsync(bool vsync) override;
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const char *GetName() const override { return "sdl-opengl"; }
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protected:
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bool AllocateBackingStore(int w, int h, bool force = false) override;
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void *GetVideoPointer() override;
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void ReleaseVideoPointer() override;
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void Paint() override;
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bool CreateMainWindow(uint w, uint h, uint flags) override;
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private:
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void *gl_context; ///< OpenGL context.
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uint8 *anim_buffer; ///< Animation buffer from OpenGL back-end.
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const char *AllocateContext();
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void DestroyContext();
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};
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/** The factory for SDL' OpenGL video driver. */
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class FVideoDriver_SDL_OpenGL : public DriverFactoryBase {
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public:
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FVideoDriver_SDL_OpenGL() : DriverFactoryBase(Driver::DT_VIDEO, 8, "sdl-opengl", "SDL OpenGL Video Driver") {}
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/* virtual */ Driver *CreateInstance() const override { return new VideoDriver_SDL_OpenGL(); }
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protected:
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bool UsesHardwareAcceleration() const override { return true; }
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};
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