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Diffstat (limited to 'src/video/sdl2_opengl_v.h')
-rw-r--r-- | src/video/sdl2_opengl_v.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/video/sdl2_opengl_v.h b/src/video/sdl2_opengl_v.h new file mode 100644 index 000000000..6aff3b5f5 --- /dev/null +++ b/src/video/sdl2_opengl_v.h @@ -0,0 +1,52 @@ +/* + * This file is part of OpenTTD. + * 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. + * 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. + * 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/>. + */ + +/** @file sdl2_opengl_v.h OpenGL backend of the SDL2 video driver. */ + +#include "sdl2_v.h" + +/** The OpenGL video driver for windows. */ +class VideoDriver_SDL_OpenGL : public VideoDriver_SDL { +public: + VideoDriver_SDL_OpenGL() : gl_context(nullptr), anim_buffer(nullptr) {} + + const char *Start(const StringList ¶m) override; + + void Stop() override; + + bool HasEfficient8Bpp() const override { return true; } + + bool UseSystemCursor() override { return true; } + + void ClearSystemSprites() override; + + bool HasAnimBuffer() override { return true; } + uint8 *GetAnimBuffer() override { return this->anim_buffer; } + + const char *GetName() const override { return "sdl-opengl"; } + +protected: + bool AllocateBackingStore(int w, int h, bool force = false) override; + void *GetVideoPointer() override; + void ReleaseVideoPointer() override; + void Paint() override; + bool CreateMainWindow(uint w, uint h, uint flags) override; + +private: + void *gl_context; ///< OpenGL context. + uint8 *anim_buffer; ///< Animation buffer from OpenGL back-end. + + const char *AllocateContext(); + void DestroyContext(); +}; + +/** The factory for SDL' OpenGL video driver. */ +class FVideoDriver_SDL_OpenGL : public DriverFactoryBase { +public: + FVideoDriver_SDL_OpenGL() : DriverFactoryBase(Driver::DT_VIDEO, 8, "sdl-opengl", "SDL OpenGL Video Driver") {} + /* virtual */ Driver *CreateInstance() const override { return new VideoDriver_SDL_OpenGL(); } +}; |