Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/gfx/gl/SharedSurfaceAndroidHardwareBuffer.cpp b/gfx/gl/SharedSurfaceAndroidHardwareBuffer.cpp
new file mode 100644
index 0000000000..00f925ce75
--- /dev/null
+++ b/gfx/gl/SharedSurfaceAndroidHardwareBuffer.cpp
@@ -0,0 +1,168 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "SharedSurfaceAndroidHardwareBuffer.h"
+
+#include "GLBlitHelper.h"
+#include "GLContextEGL.h"
+#include "GLContextProvider.h"
+#include "GLLibraryEGL.h"
+#include "GLReadTexImageHelper.h"
+#include "MozFramebuffer.h"
+#include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor, etc
+#include "mozilla/layers/AndroidHardwareBuffer.h"
+#include "ScopedGLHelpers.h"
+#include "SharedSurface.h"
+
+namespace mozilla {
+namespace gl {
+
+/*static*/
+UniquePtr<SharedSurface_AndroidHardwareBuffer>
+SharedSurface_AndroidHardwareBuffer::Create(const SharedSurfaceDesc& desc) {
+  const auto& gle = GLContextEGL::Cast(desc.gl);
+  const auto& egl = gle->mEgl;
+
+  RefPtr<layers::AndroidHardwareBuffer> buffer =
+      layers::AndroidHardwareBuffer::Create(desc.size,
+                                            gfx::SurfaceFormat::R8G8B8A8);
+  if (!buffer) {
+    return nullptr;
+  }
+
+  const EGLint attrs[] = {
+      LOCAL_EGL_IMAGE_PRESERVED,
+      LOCAL_EGL_TRUE,
+      LOCAL_EGL_NONE,
+      LOCAL_EGL_NONE,
+  };
+
+  EGLClientBuffer clientBuffer =
+      egl->mLib->fGetNativeClientBufferANDROID(buffer->GetNativeBuffer());
+  const auto image = egl->fCreateImage(
+      EGL_NO_CONTEXT, LOCAL_EGL_NATIVE_BUFFER_ANDROID, clientBuffer, attrs);
+  if (!image) {
+    return nullptr;
+  }
+
+  auto tex = MakeUnique<Texture>(*desc.gl);
+  {
+    ScopedBindTexture texture(gle, tex->name, LOCAL_GL_TEXTURE_2D);
+    gle->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER,
+                        LOCAL_GL_LINEAR);
+    gle->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER,
+                        LOCAL_GL_LINEAR);
+    gle->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S,
+                        LOCAL_GL_CLAMP_TO_EDGE);
+    gle->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T,
+                        LOCAL_GL_CLAMP_TO_EDGE);
+    gle->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, image);
+    egl->fDestroyImage(image);
+  }
+
+  const GLenum target = LOCAL_GL_TEXTURE_2D;
+  auto fb = MozFramebuffer::CreateForBacking(desc.gl, desc.size, 0, false,
+                                             target, tex->name);
+  if (!fb) {
+    return nullptr;
+  }
+
+  return AsUnique(new SharedSurface_AndroidHardwareBuffer(
+      desc, std::move(fb), std::move(tex), buffer));
+}
+
+SharedSurface_AndroidHardwareBuffer::SharedSurface_AndroidHardwareBuffer(
+    const SharedSurfaceDesc& desc, UniquePtr<MozFramebuffer> fb,
+    UniquePtr<Texture> tex, RefPtr<layers::AndroidHardwareBuffer> buffer)
+    : SharedSurface(desc, std::move(fb)),
+      mTex(std::move(tex)),
+      mAndroidHardwareBuffer(buffer) {}
+
+SharedSurface_AndroidHardwareBuffer::~SharedSurface_AndroidHardwareBuffer() {
+  const auto& gl = mDesc.gl;
+  if (!gl || !gl->MakeCurrent()) {
+    return;
+  }
+  const auto& gle = GLContextEGL::Cast(gl);
+  const auto& egl = gle->mEgl;
+
+  if (mSync) {
+    egl->fDestroySync(mSync);
+    mSync = 0;
+  }
+}
+
+void SharedSurface_AndroidHardwareBuffer::ProducerReleaseImpl() {
+  const auto& gl = mDesc.gl;
+  if (!gl || !gl->MakeCurrent()) {
+    return;
+  }
+  const auto& gle = GLContextEGL::Cast(gl);
+  const auto& egl = gle->mEgl;
+
+  if (mSync) {
+    MOZ_ALWAYS_TRUE(egl->fDestroySync(mSync));
+    mSync = 0;
+  }
+
+  mSync = egl->fCreateSync(LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
+  MOZ_ASSERT(mSync);
+  int rawFd = egl->fDupNativeFenceFDANDROID(mSync);
+  if (rawFd >= 0) {
+    auto fenceFd = ipc::FileDescriptor(UniqueFileHandle(rawFd));
+    mAndroidHardwareBuffer->SetAcquireFence(std::move(fenceFd));
+  }
+
+  gl->fFlush();
+}
+
+Maybe<layers::SurfaceDescriptor>
+SharedSurface_AndroidHardwareBuffer::ToSurfaceDescriptor() {
+  return Some(layers::SurfaceDescriptorAndroidHardwareBuffer(
+      mAndroidHardwareBuffer->mId, mAndroidHardwareBuffer->mSize,
+      mAndroidHardwareBuffer->mFormat));
+}
+
+void SharedSurface_AndroidHardwareBuffer::WaitForBufferOwnership() {
+  ipc::FileDescriptor fenceFd =
+      mAndroidHardwareBuffer->GetAndResetReleaseFence();
+  if (!fenceFd.IsValid()) {
+    return;
+  }
+
+  const auto& gle = GLContextEGL::Cast(mDesc.gl);
+  const auto& egl = gle->mEgl;
+
+  auto rawFD = fenceFd.TakePlatformHandle();
+  const EGLint attribs[] = {LOCAL_EGL_SYNC_NATIVE_FENCE_FD_ANDROID, rawFD.get(),
+                            LOCAL_EGL_NONE};
+
+  EGLSync sync = egl->fCreateSync(LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
+  if (!sync) {
+    gfxCriticalNote << "Failed to create EGLSync from fd";
+    return;
+  }
+  // Release fd here, since it is owned by EGLSync
+  Unused << rawFD.release();
+
+  egl->fClientWaitSync(sync, 0, LOCAL_EGL_FOREVER);
+  egl->fDestroySync(sync);
+}
+
+/*static*/
+UniquePtr<SurfaceFactory_AndroidHardwareBuffer>
+SurfaceFactory_AndroidHardwareBuffer::Create(GLContext& gl) {
+  const auto partialDesc = PartialSharedSurfaceDesc{
+      &gl,
+      SharedSurfaceType::AndroidHardwareBuffer,
+      layers::TextureType::AndroidHardwareBuffer,
+      true,
+  };
+  return AsUnique(new SurfaceFactory_AndroidHardwareBuffer(partialDesc));
+}
+
+}  // namespace gl
+
+} /* namespace mozilla */