xbmc/utils/EGLImage.h

   1 /*
   2  *  Copyright (C) 2017-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "system_egl.h"
  12
  13 #include <array>
  14
  15 #include <EGL/eglext.h>
  16 #include <drm_fourcc.h>
  17
  18 #include "system_gl.h"
  19
  20 class CEGLImage
  21 {
  22 public:
  23   static const int MAX_NUM_PLANES{3};
  24
  25   struct EglPlane
  26   {
  27     int fd{0};
  28     int offset{0};
  29     int pitch{0};
  30     uint64_t modifier{DRM_FORMAT_MOD_INVALID};
  31   };
  32
  33   struct EglAttrs
  34   {
  35     int width{0};
  36     int height{0};
  37     uint32_t format{0};
  38     int colorSpace{0};
  39     int colorRange{0};
  40     std::array<EglPlane, MAX_NUM_PLANES> planes;
  41   };
  42
  43   explicit CEGLImage(EGLDisplay display);
  44
  45   CEGLImage(CEGLImage const& other) = delete;
  46   CEGLImage& operator=(CEGLImage const& other) = delete;
  47
  48   bool CreateImage(EglAttrs imageAttrs);
  49   void UploadImage(GLenum textureTarget);
  50   void DestroyImage();
  51
  52 #if defined(EGL_EXT_image_dma_buf_import_modifiers)
  53   bool SupportsFormatAndModifier(uint32_t format, uint64_t modifier);
  54
  55 private:
  56   bool SupportsFormat(uint32_t format);
  57 #else
  58 private:
  59 #endif
  60   EGLDisplay m_display{nullptr};
  61   EGLImageKHR m_image{nullptr};
  62
  63   PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR{nullptr};
  64   PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR{nullptr};
  65   PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_glEGLImageTargetTexture2DOES{nullptr};
  66 };