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_WIDGET_GTK
  35 #  include "gfxPlatformGtk.h"
  36 #  include "SharedSurfaceDMABUF.h"
  37 #  include "mozilla/widget/DMABufLibWrapper.h"
  38 #endif
  39
  40 #ifdef MOZ_WIDGET_ANDROID
  41 #  include "SharedSurfaceAndroidHardwareBuffer.h"
  42 #endif
  43
  44 namespace mozilla {
  45 namespace gl {
  46
  47 ////////////////////////////////////////////////////////////////////////
  48 // SharedSurface
  49
  50 SharedSurface::SharedSurface(const SharedSurfaceDesc& desc,
  51                              UniquePtr<MozFramebuffer> fb)
  52     : mDesc(desc), mFb(std::move(fb)) {}
  53
  54 SharedSurface::~SharedSurface() = default;
  55
  56 void SharedSurface::LockProd() {
  57   MOZ_ASSERT(!mIsLocked);
  58
  59   LockProdImpl();
  60
  61   mDesc.gl->LockSurface(this);
  62   mIsLocked = true;
  63 }
  64
  65 void SharedSurface::UnlockProd() {
  66   if (!mIsLocked) return;
  67
  68   UnlockProdImpl();
  69
  70   mDesc.gl->UnlockSurface(this);
  71   mIsLocked = false;
  72 }
  73
  74 ////////////////////////////////////////////////////////////////////////
  75 // SurfaceFactory
  76
  77 /* static */
  78 UniquePtr<SurfaceFactory> SurfaceFactory::Create(
  79     GLContext* const pGl, const layers::TextureType consumerType) {
  80   auto& gl = *pGl;
  81
  82   switch (consumerType) {
  83     case layers::TextureType::D3D11:
  84 #ifdef XP_WIN
  85       if (gl.IsANGLE()) {
  86         return SurfaceFactory_ANGLEShareHandle::Create(gl);
  87       }
  88       if (StaticPrefs::webgl_dxgl_enabled()) {
  89         return SurfaceFactory_D3D11Interop::Create(gl);
  90       }
  91 #endif
  92       return nullptr;
  93
  94     case layers::TextureType::MacIOSurface:
  95 #ifdef XP_MACOSX
  96       return MakeUnique<SurfaceFactory_IOSurface>(gl);
  97 #else
  98       return nullptr;
  99 #endif
 100
 101     case layers::TextureType::DMABUF:
 102 #ifdef MOZ_WIDGET_GTK
 103       if (gl.GetContextType() == GLContextType::EGL &&
 104           widget::DMABufDevice::IsDMABufWebGLEnabled()) {
 105         return SurfaceFactory_DMABUF::Create(gl);
 106       }
 107 #endif
 108       return nullptr;
 109
 110     case layers::TextureType::AndroidNativeWindow:
 111 #ifdef MOZ_WIDGET_ANDROID
 112       return MakeUnique<SurfaceFactory_SurfaceTexture>(gl);
 113 #else
 114       return nullptr;
 115 #endif
 116
 117     case layers::TextureType::AndroidHardwareBuffer:
 118 #ifdef MOZ_WIDGET_ANDROID
 119       if (XRE_IsGPUProcess()) {
 120         // Enable SharedSurface of AndroidHardwareBuffer only in GPU process.
 121         return SurfaceFactory_AndroidHardwareBuffer::Create(gl);
 122       }
 123 #endif
 124       return nullptr;
 125
 126     case layers::TextureType::EGLImage:
 127 #ifdef MOZ_WIDGET_ANDROID
 128       if (XRE_IsParentProcess()) {
 129         return SurfaceFactory_EGLImage::Create(gl);
 130       }
 131 #endif
 132       return nullptr;
 133
 134     case layers::TextureType::Unknown:
 135     case layers::TextureType::Last:
 136       break;
 137   }
 138
 139 #ifdef MOZ_X11
 140   // Silence a warning.
 141   Unused << gl;
 142 #endif
 143
 144   return nullptr;
 145 }
 146
 147 SurfaceFactory::SurfaceFactory(const PartialSharedSurfaceDesc& partialDesc)
 148     : mDesc(partialDesc), mMutex("SurfaceFactor::mMutex") {}
 149
 150 SurfaceFactory::~SurfaceFactory() = default;
 151
 152 }  // namespace gl
 153 }  // namespace mozilla