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// Copyright (c) 2012 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 "gpu/command_buffer/service/vertex_attrib_manager.h"
#include "base/memory/scoped_ptr.h"
#include "gpu/command_buffer/service/buffer_manager.h"
#include "gpu/command_buffer/service/feature_info.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
#include "gpu/command_buffer/service/test_helper.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_mock.h"
using ::testing::Pointee;
using ::testing::_;
namespace gpu {
namespace gles2 {
class VertexAttribManagerTest : public testing::Test {
public:
static const uint32 kNumVertexAttribs = 8;
VertexAttribManagerTest() {
}
virtual ~VertexAttribManagerTest() {
}
protected:
virtual void SetUp() {
gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
::gfx::GLInterface::SetGLInterface(gl_.get());
for (uint32 ii = 0; ii < kNumVertexAttribs; ++ii) {
EXPECT_CALL(*gl_, VertexAttrib4f(ii, 0.0f, 0.0f, 0.0f, 1.0f))
.Times(1)
.RetiresOnSaturation();
}
manager_ = new VertexAttribManager();
manager_->Initialize(kNumVertexAttribs);
}
virtual void TearDown() {
manager_ = NULL;
::gfx::GLInterface::SetGLInterface(NULL);
gl_.reset();
}
// Use StrictMock to make 100% sure we know how GL will be called.
scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
scoped_refptr<VertexAttribManager> manager_;
};
// GCC requires these declarations, but MSVC requires they not be present
#ifndef COMPILER_MSVC
const uint32 VertexAttribManagerTest::kNumVertexAttribs;
#endif
TEST_F(VertexAttribManagerTest, Basic) {
EXPECT_TRUE(manager_->GetVertexAttrib(kNumVertexAttribs) == NULL);
EXPECT_FALSE(manager_->HaveFixedAttribs());
const VertexAttribManager::VertexAttribInfoList& infos =
manager_->GetEnabledVertexAttribInfos();
EXPECT_EQ(0u, infos.size());
for (uint32 ii = 0; ii < kNumVertexAttribs; ii += kNumVertexAttribs - 1) {
VertexAttrib* info =
manager_->GetVertexAttrib(ii);
ASSERT_TRUE(info != NULL);
EXPECT_EQ(ii, info->index());
EXPECT_TRUE(info->buffer() == NULL);
EXPECT_EQ(0, info->offset());
EXPECT_EQ(4, info->size());
EXPECT_EQ(static_cast<GLenum>(GL_FLOAT), info->type());
EXPECT_EQ(GL_FALSE, info->normalized());
EXPECT_EQ(0, info->gl_stride());
EXPECT_FALSE(info->enabled());
manager_->Enable(ii, true);
EXPECT_TRUE(info->enabled());
}
}
TEST_F(VertexAttribManagerTest, Enable) {
const VertexAttribManager::VertexAttribInfoList& infos =
manager_->GetEnabledVertexAttribInfos();
VertexAttrib* info1 =
manager_->GetVertexAttrib(1);
VertexAttrib* info2 =
manager_->GetVertexAttrib(3);
manager_->Enable(1, true);
ASSERT_EQ(1u, infos.size());
EXPECT_TRUE(info1->enabled());
manager_->Enable(3, true);
ASSERT_EQ(2u, infos.size());
EXPECT_TRUE(info2->enabled());
manager_->Enable(1, false);
ASSERT_EQ(1u, infos.size());
EXPECT_FALSE(info1->enabled());
manager_->Enable(3, false);
ASSERT_EQ(0u, infos.size());
EXPECT_FALSE(info2->enabled());
}
TEST_F(VertexAttribManagerTest, SetAttribInfo) {
BufferManager buffer_manager(NULL, NULL);
buffer_manager.CreateBuffer(1, 2);
Buffer* buffer = buffer_manager.GetBuffer(1);
ASSERT_TRUE(buffer != NULL);
VertexAttrib* info =
manager_->GetVertexAttrib(1);
manager_->SetAttribInfo(1, buffer, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
EXPECT_EQ(buffer, info->buffer());
EXPECT_EQ(4, info->offset());
EXPECT_EQ(3, info->size());
EXPECT_EQ(static_cast<GLenum>(GL_SHORT), info->type());
EXPECT_EQ(GL_TRUE, info->normalized());
EXPECT_EQ(32, info->gl_stride());
// The VertexAttribManager must be destroyed before the BufferManager
// so it releases its buffers.
manager_ = NULL;
buffer_manager.Destroy(false);
}
TEST_F(VertexAttribManagerTest, HaveFixedAttribs) {
EXPECT_FALSE(manager_->HaveFixedAttribs());
manager_->SetAttribInfo(1, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
EXPECT_TRUE(manager_->HaveFixedAttribs());
manager_->SetAttribInfo(3, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
EXPECT_TRUE(manager_->HaveFixedAttribs());
manager_->SetAttribInfo(1, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
EXPECT_TRUE(manager_->HaveFixedAttribs());
manager_->SetAttribInfo(3, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
EXPECT_FALSE(manager_->HaveFixedAttribs());
}
TEST_F(VertexAttribManagerTest, CanAccess) {
MockGLES2Decoder decoder;
BufferManager buffer_manager(NULL, NULL);
buffer_manager.CreateBuffer(1, 2);
Buffer* buffer = buffer_manager.GetBuffer(1);
ASSERT_TRUE(buffer != NULL);
VertexAttrib* info =
manager_->GetVertexAttrib(1);
EXPECT_TRUE(info->CanAccess(0));
manager_->Enable(1, true);
EXPECT_FALSE(info->CanAccess(0));
manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
EXPECT_FALSE(info->CanAccess(0));
EXPECT_TRUE(buffer_manager.SetTarget(buffer, GL_ARRAY_BUFFER));
TestHelper::DoBufferData(
gl_.get(), &decoder, &buffer_manager, buffer, 15, GL_STATIC_DRAW, NULL,
GL_NO_ERROR);
EXPECT_FALSE(info->CanAccess(0));
TestHelper::DoBufferData(
gl_.get(), &decoder, &buffer_manager, buffer, 16, GL_STATIC_DRAW, NULL,
GL_NO_ERROR);
EXPECT_TRUE(info->CanAccess(0));
EXPECT_FALSE(info->CanAccess(1));
manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 1);
EXPECT_FALSE(info->CanAccess(0));
TestHelper::DoBufferData(
gl_.get(), &decoder, &buffer_manager, buffer, 32, GL_STATIC_DRAW, NULL,
GL_NO_ERROR);
EXPECT_TRUE(info->CanAccess(0));
EXPECT_FALSE(info->CanAccess(1));
manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
EXPECT_TRUE(info->CanAccess(1));
manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 20, 0);
EXPECT_TRUE(info->CanAccess(0));
EXPECT_FALSE(info->CanAccess(1));
// The VertexAttribManager must be destroyed before the BufferManager
// so it releases its buffers.
manager_ = NULL;
buffer_manager.Destroy(false);
}
TEST_F(VertexAttribManagerTest, Unbind) {
BufferManager buffer_manager(NULL, NULL);
buffer_manager.CreateBuffer(1, 2);
buffer_manager.CreateBuffer(3, 4);
Buffer* buffer1 = buffer_manager.GetBuffer(1);
Buffer* buffer2 = buffer_manager.GetBuffer(3);
ASSERT_TRUE(buffer1 != NULL);
ASSERT_TRUE(buffer2 != NULL);
VertexAttrib* info1 =
manager_->GetVertexAttrib(1);
VertexAttrib* info3 =
manager_->GetVertexAttrib(3);
// Attach to 2 buffers.
manager_->SetAttribInfo(1, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
manager_->SetAttribInfo(3, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
// Check they were attached.
EXPECT_EQ(buffer1, info1->buffer());
EXPECT_EQ(buffer1, info3->buffer());
// Unbind unattached buffer.
manager_->Unbind(buffer2);
// Should be no-op.
EXPECT_EQ(buffer1, info1->buffer());
EXPECT_EQ(buffer1, info3->buffer());
// Unbind buffer.
manager_->Unbind(buffer1);
// Check they were detached
EXPECT_TRUE(NULL == info1->buffer());
EXPECT_TRUE(NULL == info3->buffer());
// The VertexAttribManager must be destroyed before the BufferManager
// so it releases its buffers.
manager_ = NULL;
buffer_manager.Destroy(false);
}
// TODO(gman): Test ValidateBindings
// TODO(gman): Test ValidateBindings with client side arrays.
} // namespace gles2
} // namespace gpu
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