src/video/cocoa/cocoa_ogl.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file cocoa_ogl.h The Cocoa OpenGL video driver. */
   9
  10 #ifndef VIDEO_COCOA_OGL_H
  11 #define VIDEO_COCOA_OGL_H
  12
  13 #include "cocoa_v.h"
  14
  15 @class OTTD_OpenGLView;
  16
  17 class VideoDriver_CocoaOpenGL : public VideoDriver_Cocoa {
  18         CGLContextObj gl_context;
  19
  20         uint8_t *anim_buffer; ///< Animation buffer from OpenGL back-end.
  21         std::string driver_info; ///< Information string about selected driver.
  22
  23         std::optional<std::string_view> AllocateContext(bool allow_software);
  24
  25 public:
  26         VideoDriver_CocoaOpenGL() : VideoDriver_Cocoa(true), gl_context(nullptr), anim_buffer(nullptr), driver_info(this->GetName()) {}
  27
  28         std::optional<std::string_view> Start(const StringList &param) override;
  29         void Stop() override;
  30
  31         bool HasEfficient8Bpp() const override { return true; }
  32
  33         bool UseSystemCursor() override { return true; }
  34
  35         void ClearSystemSprites() override;
  36
  37         void PopulateSystemSprites() override;
  38
  39         bool HasAnimBuffer() override { return true; }
  40         uint8_t *GetAnimBuffer() override { return this->anim_buffer; }
  41
  42         /** Return driver name */
  43         std::string_view GetName() const override { return "cocoa-opengl"; }
  44
  45         std::string_view GetInfoString() const override { return this->driver_info; }
  46
  47         void AllocateBackingStore(bool force = false) override;
  48
  49 protected:
  50         void Paint() override;
  51
  52         void *GetVideoPointer() override;
  53         void ReleaseVideoPointer() override;
  54
  55         NSView *AllocateDrawView() override;
  56 };
  57
  58 class FVideoDriver_CocoaOpenGL : public DriverFactoryBase {
  59 public:
  60         FVideoDriver_CocoaOpenGL() : DriverFactoryBase(Driver::DT_VIDEO, 9, "cocoa-opengl", "Cocoa OpenGL Video Driver") {}
  61         Driver *CreateInstance() const override { return new VideoDriver_CocoaOpenGL(); }
  62
  63 protected:
  64         bool UsesHardwareAcceleration() const override { return true; }
  65 };
  66
  67 #endif /* VIDEO_COCOA_OGL_H */