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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/gl_context_virtual.h"
#include "gpu/command_buffer/client/client_test_helper.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
#include "gpu/command_buffer/service/gpu_service_test.h"
#include "gpu/command_buffer/service/gpu_tracer.h"
#include "ui/gl/gl_context_stub.h"
#include "ui/gl/gl_share_group.h"
#include "ui/gl/gl_surface.h"
namespace gpu {
namespace gles2 {
namespace {
using testing::AnyNumber;
using testing::Return;
class GLContextVirtualTest : public GpuServiceTest {
public:
GLContextVirtualTest()
: decoder_(new MockGLES2Decoder(&client_,
&command_buffer_service_,
&outputter_)) {}
~GLContextVirtualTest() override = default;
protected:
FakeCommandBufferServiceBase command_buffer_service_;
FakeDecoderClient client_;
TraceOutputter outputter_;
std::unique_ptr<MockGLES2Decoder> decoder_;
};
// Tests that destroying a GLContextVirtual doesn't leave stale state that
// prevents a new one from initializing.
TEST_F(GLContextVirtualTest, Reinitialize) {
EXPECT_CALL(*gl_, GetError())
.Times(AnyNumber())
.WillRepeatedly(Return(GL_NO_ERROR));
EXPECT_CALL(*gl_, GetString(GL_VERSION))
.Times(AnyNumber())
.WillRepeatedly(Return(reinterpret_cast<unsigned const char *>("2.0")));
EXPECT_CALL(*gl_, GetString(GL_EXTENSIONS))
.Times(AnyNumber())
.WillRepeatedly(Return(reinterpret_cast<unsigned const char *>("")));
{
auto base_context = base::MakeRefCounted<gl::GLContextStub>();
gl::GLShareGroup* share_group = base_context->share_group();
share_group->SetSharedContext(base_context.get());
auto context = base::MakeRefCounted<GLContextVirtual>(
share_group, base_context.get(), decoder_->AsWeakPtr());
EXPECT_TRUE(context->Initialize(GetGLSurface(), gl::GLContextAttribs()));
EXPECT_TRUE(context->MakeCurrent(GetGLSurface()));
}
{
auto base_context = base::MakeRefCounted<gl::GLContextStub>();
gl::GLShareGroup* share_group = base_context->share_group();
share_group->SetSharedContext(base_context.get());
auto context = base::MakeRefCounted<GLContextVirtual>(
share_group, base_context.get(), decoder_->AsWeakPtr());
EXPECT_TRUE(context->Initialize(GetGLSurface(), gl::GLContextAttribs()));
EXPECT_TRUE(context->MakeCurrent(GetGLSurface()));
}
}
// Tests that CheckStickyGraphicsResetStatus gets the state from the real
// context, but "virtualizes" the guilty party (i.e. makes it unknown).
TEST_F(GLContextVirtualTest, CheckStickyGraphicsResetStatus) {
EXPECT_CALL(*gl_, GetError())
.Times(AnyNumber())
.WillRepeatedly(Return(GL_NO_ERROR));
auto base_context = base::MakeRefCounted<gl::GLContextStub>();
const char gl_extensions[] = "GL_KHR_robustness";
base_context->SetExtensionsString(gl_extensions);
gl::GLShareGroup* share_group = base_context->share_group();
share_group->SetSharedContext(base_context.get());
auto context = base::MakeRefCounted<GLContextVirtual>(
share_group, base_context.get(), decoder_->AsWeakPtr());
EXPECT_TRUE(context->Initialize(GetGLSurface(), gl::GLContextAttribs()));
EXPECT_TRUE(context->MakeCurrent(GetGLSurface()));
// If no reset, GLContextVirtual should report no error.
EXPECT_CALL(*gl_, GetGraphicsResetStatusARB()).WillOnce(Return(GL_NO_ERROR));
EXPECT_EQ(unsigned{GL_NO_ERROR}, context->CheckStickyGraphicsResetStatus());
// If reset, GLContextVirtual should report an error, but with an unknown
// guilty context.
EXPECT_CALL(*gl_, GetGraphicsResetStatusARB())
.WillOnce(Return(GL_GUILTY_CONTEXT_RESET));
EXPECT_EQ(unsigned{GL_UNKNOWN_CONTEXT_RESET},
context->CheckStickyGraphicsResetStatus());
// The underlying real context still knows, though.
EXPECT_EQ(unsigned{GL_GUILTY_CONTEXT_RESET},
base_context->CheckStickyGraphicsResetStatus());
}
} // anonymous namespace
} // namespace gles2
} // namespace gpu
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