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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <GLES2/gl2extchromium.h>
#include "base/bind.h"
#include "cc/output/context_provider.h"
#include "cc/resources/single_release_callback.h"
#include "components/exo/buffer.h"
#include "components/exo/surface.h"
#include "components/exo/test/exo_test_base.h"
#include "components/exo/test/exo_test_helper.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "ui/aura/env.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace exo {
namespace {
using BufferTest = test::ExoTestBase;
void Release(int* release_call_count) {
(*release_call_count)++;
}
TEST_F(BufferTest, ReleaseCallback) {
gfx::Size buffer_size(256, 256);
std::unique_ptr<Buffer> buffer(
new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
std::unique_ptr<Surface> surface(new Surface);
const cc::FrameSinkId arbitrary_frame_sink_id(1, 1);
scoped_refptr<CompositorFrameSinkHolder> compositor_frame_sink_holder =
new CompositorFrameSinkHolder(surface.get(), arbitrary_frame_sink_id,
aura::Env::GetInstance()
->context_factory_private()
->GetSurfaceManager());
// Set the release callback.
int release_call_count = 0;
buffer->set_release_callback(
base::Bind(&Release, base::Unretained(&release_call_count)));
buffer->OnAttach();
cc::TransferableResource resource;
// Produce a transferable resource for the contents of the buffer.
bool rv = buffer->ProduceTransferableResource(
compositor_frame_sink_holder.get(), 0, false, true, &resource);
ASSERT_TRUE(rv);
// Release buffer.
cc::ReturnedResource returned_resource;
returned_resource.id = resource.id;
returned_resource.sync_token = resource.mailbox_holder.sync_token;
returned_resource.lost = false;
cc::ReturnedResourceArray resources = {returned_resource};
compositor_frame_sink_holder->ReclaimResources(resources);
RunAllPendingInMessageLoop();
ASSERT_EQ(release_call_count, 0);
buffer->OnDetach();
// Release() should have been called exactly once.
ASSERT_EQ(release_call_count, 1);
}
TEST_F(BufferTest, IsLost) {
gfx::Size buffer_size(256, 256);
std::unique_ptr<Buffer> buffer(
new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
const cc::FrameSinkId arbitrary_frame_sink_id(1, 1);
std::unique_ptr<Surface> surface(new Surface);
scoped_refptr<CompositorFrameSinkHolder> compositor_frame_sink_holder =
new CompositorFrameSinkHolder(surface.get(), arbitrary_frame_sink_id,
aura::Env::GetInstance()
->context_factory_private()
->GetSurfaceManager());
cc::ResourceId resource_id = 0;
buffer->OnAttach();
// Acquire a texture transferable resource for the contents of the buffer.
cc::TransferableResource resource;
bool rv = buffer->ProduceTransferableResource(
compositor_frame_sink_holder.get(), resource_id, false, true, &resource);
ASSERT_TRUE(rv);
scoped_refptr<cc::ContextProvider> context_provider =
aura::Env::GetInstance()
->context_factory()
->SharedMainThreadContextProvider();
if (context_provider) {
gpu::gles2::GLES2Interface* gles2 = context_provider->ContextGL();
gles2->LoseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_ARB,
GL_INNOCENT_CONTEXT_RESET_ARB);
}
// Release buffer.
bool is_lost = true;
cc::ReturnedResource returned_resource;
returned_resource.id = resource_id;
returned_resource.sync_token = gpu::SyncToken();
returned_resource.lost = is_lost;
cc::ReturnedResourceArray resources = {returned_resource};
compositor_frame_sink_holder->ReclaimResources(resources);
RunAllPendingInMessageLoop();
// Producing a new texture transferable resource for the contents of the
// buffer.
++resource_id;
cc::TransferableResource new_resource;
rv = buffer->ProduceTransferableResource(compositor_frame_sink_holder.get(),
resource_id, false, false,
&new_resource);
ASSERT_TRUE(rv);
buffer->OnDetach();
cc::ReturnedResource returned_resource2;
returned_resource2.id = resource_id;
returned_resource2.sync_token = gpu::SyncToken();
returned_resource2.lost = false;
cc::ReturnedResourceArray resources2 = {returned_resource2};
compositor_frame_sink_holder->ReclaimResources(resources2);
RunAllPendingInMessageLoop();
}
} // namespace
} // namespace exo
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