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gpu / command_buffer / service / indexed_buffer_binding_host_unittest.cc [blame]
// 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/buffer_manager.h"
#include "gpu/command_buffer/service/gpu_service_test.h"
#include "gpu/command_buffer/service/indexed_buffer_binding_host.h"
#include "ui/gl/gl_mock.h"
namespace gpu {
namespace gles2 {
namespace {
const uint32_t kMaxBindings = 16;
const GLuint kBufferClientId = 87;
const GLuint kBufferServiceId = 987;
} // namespace anonymous
class IndexedBufferBindingHostTest : public GpuServiceTest {
public:
IndexedBufferBindingHostTest()
: uniform_host_(new IndexedBufferBindingHost(kMaxBindings,
GL_UNIFORM_BUFFER,
true,
false)),
tf_host_(new IndexedBufferBindingHost(kMaxBindings,
GL_TRANSFORM_FEEDBACK_BUFFER,
true,
false)),
buffer_manager_(new BufferManager(nullptr, nullptr)) {
buffer_manager_->CreateBuffer(kBufferClientId, kBufferServiceId);
buffer_ = buffer_manager_->GetBuffer(kBufferClientId);
DCHECK(buffer_.get());
}
~IndexedBufferBindingHostTest() override = default;
protected:
void SetUp() override {
GpuServiceTest::SetUpWithGLVersion("OpenGL ES 3.0", "");
}
void TearDown() override {
buffer_ = nullptr;
buffer_manager_->MarkContextLost();
buffer_manager_->Destroy();
buffer_manager_.reset();
GpuServiceTest::TearDown();
}
void SetBufferSize(GLenum target, GLsizeiptr size) {
buffer_manager_->SetInfo(
buffer_.get(), target, size, GL_STATIC_DRAW, false);
}
scoped_refptr<IndexedBufferBindingHost> uniform_host_;
scoped_refptr<IndexedBufferBindingHost> tf_host_;
std::unique_ptr<BufferManager> buffer_manager_;
scoped_refptr<Buffer> buffer_;
};
TEST_F(IndexedBufferBindingHostTest, DoBindBufferRangeUninitializedBuffer) {
const GLenum kTarget = GL_TRANSFORM_FEEDBACK_BUFFER;
const GLuint kIndex = 2;
const GLintptr kOffset = 4;
const GLsizeiptr kSize = 8;
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kIndex, kBufferServiceId))
.Times(1)
.RetiresOnSaturation();
tf_host_->DoBindBufferRange(kIndex, buffer_.get(), kOffset, kSize);
for (uint32_t index = 0; index < kMaxBindings; ++index) {
if (index != kIndex) {
EXPECT_EQ(nullptr, tf_host_->GetBufferBinding(index));
} else {
EXPECT_EQ(buffer_.get(), tf_host_->GetBufferBinding(index));
EXPECT_EQ(kSize, tf_host_->GetBufferSize(index));
EXPECT_EQ(kOffset, tf_host_->GetBufferStart(index));
}
}
tf_host_->RemoveBoundBuffer(kTarget, buffer_.get(), nullptr, false);
}
TEST_F(IndexedBufferBindingHostTest, DoBindBufferRangeBufferWithoutEnoughSize) {
const GLenum kTarget = GL_TRANSFORM_FEEDBACK_BUFFER;
const GLuint kIndex = 2;
const GLintptr kOffset = 4;
const GLsizeiptr kSize = 8;
const GLsizeiptr kBufferSize = kOffset + kSize - 2;
SetBufferSize(kTarget, kBufferSize);
GLsizeiptr clamped_size = ((kBufferSize - kOffset) >> 2) << 2;
EXPECT_CALL(*gl_, BindBufferRange(kTarget, kIndex, kBufferServiceId, kOffset,
clamped_size))
.Times(1)
.RetiresOnSaturation();
tf_host_->DoBindBufferRange(kIndex, buffer_.get(), kOffset, kSize);
for (uint32_t index = 0; index < kMaxBindings; ++index) {
if (index != kIndex) {
EXPECT_EQ(nullptr, tf_host_->GetBufferBinding(index));
} else {
EXPECT_EQ(buffer_.get(), tf_host_->GetBufferBinding(index));
EXPECT_EQ(kSize, tf_host_->GetBufferSize(index));
EXPECT_EQ(kOffset, tf_host_->GetBufferStart(index));
}
}
// Now adjust buffer size to be big enough.
EXPECT_CALL(*gl_, BindBufferRange(kTarget, kIndex, kBufferServiceId, kOffset,
kSize))
.Times(1)
.RetiresOnSaturation();
SetBufferSize(kTarget, kOffset + kSize);
tf_host_->OnBufferData(buffer_.get());
tf_host_->RemoveBoundBuffer(kTarget, buffer_.get(), nullptr, false);
}
TEST_F(IndexedBufferBindingHostTest, RestoreBindings) {
const GLenum kTarget = GL_UNIFORM_BUFFER;
const GLuint kIndex = 2;
const GLuint kOtherIndex = 10;
const GLintptr kOffset = 4;
const GLsizeiptr kSize = 8;
const GLsizeiptr kBufferSize = kOffset + kSize - 2;
GLsizeiptr clamped_size = ((kBufferSize - kOffset) >> 2) << 2;
SetBufferSize(kTarget, kBufferSize);
// Set up host
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kIndex, kBufferServiceId))
.Times(1)
.RetiresOnSaturation();
uniform_host_->DoBindBufferBase(kIndex, buffer_.get());
// Set up the second host
scoped_refptr<IndexedBufferBindingHost> other =
new IndexedBufferBindingHost(kMaxBindings, kTarget, true, false);
EXPECT_CALL(*gl_, BindBufferRange(kTarget, kOtherIndex, kBufferServiceId,
kOffset, clamped_size))
.Times(1)
.RetiresOnSaturation();
other->DoBindBufferRange(kOtherIndex, buffer_.get(), kOffset, kSize);
{
// Switching from |other| to |uniform_host_|.
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kIndex, kBufferServiceId))
.Times(1)
.RetiresOnSaturation();
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kOtherIndex, 0))
.Times(1)
.RetiresOnSaturation();
uniform_host_->RestoreBindings(other.get());
}
{
// Switching from |uniform_host_| to |other|.
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kIndex, 0))
.Times(1)
.RetiresOnSaturation();
EXPECT_CALL(*gl_, BindBufferRange(kTarget, kOtherIndex, kBufferServiceId,
kOffset, clamped_size))
.Times(1)
.RetiresOnSaturation();
other->RestoreBindings(uniform_host_.get());
}
EXPECT_CALL(*gl_, BindBufferBase(kTarget, kIndex, 0))
.Times(1)
.RetiresOnSaturation();
uniform_host_->RemoveBoundBuffer(kTarget, buffer_.get(), nullptr, true);
}
} // namespace gles2
} // namespace gpu