gfx/gl/SharedSurface.cpp

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "SharedSurface.h"
   7
   8 #include "../2d/2D.h"
   9 #include "GLBlitHelper.h"
  10 #include "GLContext.h"
  11 #include "GLReadTexImageHelper.h"
  12 #include "GLScreenBuffer.h"
  13 #include "nsThreadUtils.h"
  14 #include "ScopedGLHelpers.h"
  15 #include "SharedSurfaceGL.h"
  16 #include "SharedSurfaceEGL.h"
  17 #include "mozilla/gfx/Logging.h"
  18 #include "mozilla/layers/CompositorTypes.h"
  19 #include "mozilla/layers/TextureClientSharedSurface.h"
  20 #include "mozilla/layers/TextureForwarder.h"
  21 #include "mozilla/StaticPrefs_webgl.h"
  22 #include "mozilla/Unused.h"
  23 #include "VRManagerChild.h"
  24
  25 #ifdef XP_WIN
  26 #  include "SharedSurfaceANGLE.h"
  27 #  include "SharedSurfaceD3D11Interop.h"
  28 #endif
  29
  30 #ifdef XP_MACOSX
  31 #  include "SharedSurfaceIO.h"
  32 #endif
  33
  34 #ifdef MOZ_WAYLAND
  35 #  include "gfxPlatformGtk.h"
  36 #  include "SharedSurfaceDMABUF.h"
  37 #endif
  38
  39 #ifdef MOZ_WIDGET_ANDROID
  40 #  include "SharedSurfaceAndroidHardwareBuffer.h"
  41 #endif
  42
  43 namespace mozilla {
  44 namespace gl {
  45
  46 ////////////////////////////////////////////////////////////////////////
  47 // SharedSurface
  48
  49 SharedSurface::SharedSurface(const SharedSurfaceDesc& desc,
  50                              UniquePtr<MozFramebuffer> fb)
  51     : mDesc(desc), mFb(std::move(fb)) {}
  52
  53 SharedSurface::~SharedSurface() = default;
  54
  55 void SharedSurface::LockProd() {
  56   MOZ_ASSERT(!mIsLocked);
  57
  58   LockProdImpl();
  59
  60   mDesc.gl->LockSurface(this);
  61   mIsLocked = true;
  62 }
  63
  64 void SharedSurface::UnlockProd() {
  65   if (!mIsLocked) return;
  66
  67   UnlockProdImpl();
  68
  69   mDesc.gl->UnlockSurface(this);
  70   mIsLocked = false;
  71 }
  72
  73 ////////////////////////////////////////////////////////////////////////
  74 // SurfaceFactory
  75
  76 /* static */
  77 UniquePtr<SurfaceFactory> SurfaceFactory::Create(
  78     GLContext* const pGl, const layers::TextureType consumerType) {
  79   auto& gl = *pGl;
  80
  81   switch (consumerType) {
  82     case layers::TextureType::D3D11:
  83 #ifdef XP_WIN
  84       if (gl.IsANGLE()) {
  85         return SurfaceFactory_ANGLEShareHandle::Create(gl);
  86       }
  87       if (StaticPrefs::webgl_dxgl_enabled()) {
  88         return SurfaceFactory_D3D11Interop::Create(gl);
  89       }
  90 #endif
  91       return nullptr;
  92
  93     case layers::TextureType::MacIOSurface:
  94 #ifdef XP_MACOSX
  95       return MakeUnique<SurfaceFactory_IOSurface>(gl);
  96 #else
  97       return nullptr;
  98 #endif
  99
 100     case layers::TextureType::DMABUF:
 101 #ifdef MOZ_WAYLAND
 102       if (gl.GetContextType() == GLContextType::EGL &&
 103           widget::GetDMABufDevice()->IsDMABufWebGLEnabled()) {
 104         return SurfaceFactory_DMABUF::Create(gl);
 105       }
 106 #endif
 107       return nullptr;
 108
 109     case layers::TextureType::AndroidNativeWindow:
 110 #ifdef MOZ_WIDGET_ANDROID
 111       return MakeUnique<SurfaceFactory_SurfaceTexture>(gl);
 112 #else
 113       return nullptr;
 114 #endif
 115
 116     case layers::TextureType::AndroidHardwareBuffer:
 117 #ifdef MOZ_WIDGET_ANDROID
 118       return SurfaceFactory_AndroidHardwareBuffer::Create(gl);
 119 #else
 120       return nullptr;
 121 #endif
 122
 123     case layers::TextureType::EGLImage:
 124 #ifdef MOZ_WIDGET_ANDROID
 125       if (XRE_IsParentProcess()) {
 126         return SurfaceFactory_EGLImage::Create(gl);
 127       }
 128 #endif
 129       return nullptr;
 130
 131     case layers::TextureType::Unknown:
 132     case layers::TextureType::Last:
 133       break;
 134   }
 135
 136 #ifdef MOZ_X11
 137   // Silence a warning.
 138   Unused << gl;
 139 #endif
 140
 141   return nullptr;
 142 }
 143
 144 SurfaceFactory::SurfaceFactory(const PartialSharedSurfaceDesc& partialDesc)
 145     : mDesc(partialDesc), mMutex("SurfaceFactor::mMutex") {}
 146
 147 SurfaceFactory::~SurfaceFactory() = default;
 148
 149 }  // namespace gl
 150 }  // namespace mozilla