1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "gpu/command_buffer/service/vertex_attrib_manager.h"
6
7 #include "base/memory/scoped_ptr.h"
8 #include "gpu/command_buffer/service/buffer_manager.h"
9 #include "gpu/command_buffer/service/error_state_mock.h"
10 #include "gpu/command_buffer/service/feature_info.h"
11 #include "gpu/command_buffer/service/gpu_service_test.h"
12 #include "gpu/command_buffer/service/test_helper.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14 #include "ui/gl/gl_mock.h"
15
16 using ::testing::Pointee;
17 using ::testing::_;
18
19 namespace gpu {
20 namespace gles2 {
21
22 class VertexAttribManagerTest : public GpuServiceTest {
23 public:
24 static const uint32 kNumVertexAttribs = 8;
25
VertexAttribManagerTest()26 VertexAttribManagerTest() {
27 }
28
~VertexAttribManagerTest()29 virtual ~VertexAttribManagerTest() {
30 }
31
32 protected:
SetUp()33 virtual void SetUp() {
34 GpuServiceTest::SetUp();
35
36 for (uint32 ii = 0; ii < kNumVertexAttribs; ++ii) {
37 EXPECT_CALL(*gl_, VertexAttrib4f(ii, 0.0f, 0.0f, 0.0f, 1.0f))
38 .Times(1)
39 .RetiresOnSaturation();
40 }
41
42 manager_ = new VertexAttribManager();
43 manager_->Initialize(kNumVertexAttribs, true);
44 }
45
46 scoped_refptr<VertexAttribManager> manager_;
47 };
48
49 // GCC requires these declarations, but MSVC requires they not be present
50 #ifndef COMPILER_MSVC
51 const uint32 VertexAttribManagerTest::kNumVertexAttribs;
52 #endif
53
TEST_F(VertexAttribManagerTest,Basic)54 TEST_F(VertexAttribManagerTest, Basic) {
55 EXPECT_TRUE(manager_->GetVertexAttrib(kNumVertexAttribs) == NULL);
56 EXPECT_FALSE(manager_->HaveFixedAttribs());
57
58 const VertexAttribManager::VertexAttribList& enabled_attribs =
59 manager_->GetEnabledVertexAttribs();
60 EXPECT_EQ(0u, enabled_attribs.size());
61
62 for (uint32 ii = 0; ii < kNumVertexAttribs; ii += kNumVertexAttribs - 1) {
63 VertexAttrib* attrib = manager_->GetVertexAttrib(ii);
64 ASSERT_TRUE(attrib != NULL);
65 EXPECT_EQ(ii, attrib->index());
66 EXPECT_TRUE(attrib->buffer() == NULL);
67 EXPECT_EQ(0, attrib->offset());
68 EXPECT_EQ(4, attrib->size());
69 EXPECT_EQ(static_cast<GLenum>(GL_FLOAT), attrib->type());
70 EXPECT_EQ(GL_FALSE, attrib->normalized());
71 EXPECT_EQ(0, attrib->gl_stride());
72 EXPECT_FALSE(attrib->enabled());
73 manager_->Enable(ii, true);
74 EXPECT_TRUE(attrib->enabled());
75 }
76 }
77
TEST_F(VertexAttribManagerTest,Enable)78 TEST_F(VertexAttribManagerTest, Enable) {
79 const VertexAttribManager::VertexAttribList& enabled_attribs =
80 manager_->GetEnabledVertexAttribs();
81
82 VertexAttrib* attrib1 = manager_->GetVertexAttrib(1);
83 VertexAttrib* attrib2 = manager_->GetVertexAttrib(3);
84
85 manager_->Enable(1, true);
86 ASSERT_EQ(1u, enabled_attribs.size());
87 EXPECT_TRUE(attrib1->enabled());
88 manager_->Enable(3, true);
89 ASSERT_EQ(2u, enabled_attribs.size());
90 EXPECT_TRUE(attrib2->enabled());
91
92 manager_->Enable(1, false);
93 ASSERT_EQ(1u, enabled_attribs.size());
94 EXPECT_FALSE(attrib1->enabled());
95
96 manager_->Enable(3, false);
97 ASSERT_EQ(0u, enabled_attribs.size());
98 EXPECT_FALSE(attrib2->enabled());
99 }
100
TEST_F(VertexAttribManagerTest,SetAttribInfo)101 TEST_F(VertexAttribManagerTest, SetAttribInfo) {
102 BufferManager buffer_manager(NULL, NULL);
103 buffer_manager.CreateBuffer(1, 2);
104 Buffer* buffer = buffer_manager.GetBuffer(1);
105 ASSERT_TRUE(buffer != NULL);
106
107 VertexAttrib* attrib = manager_->GetVertexAttrib(1);
108
109 manager_->SetAttribInfo(1, buffer, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
110
111 EXPECT_EQ(buffer, attrib->buffer());
112 EXPECT_EQ(4, attrib->offset());
113 EXPECT_EQ(3, attrib->size());
114 EXPECT_EQ(static_cast<GLenum>(GL_SHORT), attrib->type());
115 EXPECT_EQ(GL_TRUE, attrib->normalized());
116 EXPECT_EQ(32, attrib->gl_stride());
117
118 // The VertexAttribManager must be destroyed before the BufferManager
119 // so it releases its buffers.
120 manager_ = NULL;
121 buffer_manager.Destroy(false);
122 }
123
TEST_F(VertexAttribManagerTest,HaveFixedAttribs)124 TEST_F(VertexAttribManagerTest, HaveFixedAttribs) {
125 EXPECT_FALSE(manager_->HaveFixedAttribs());
126 manager_->SetAttribInfo(1, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
127 EXPECT_TRUE(manager_->HaveFixedAttribs());
128 manager_->SetAttribInfo(3, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
129 EXPECT_TRUE(manager_->HaveFixedAttribs());
130 manager_->SetAttribInfo(1, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
131 EXPECT_TRUE(manager_->HaveFixedAttribs());
132 manager_->SetAttribInfo(3, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
133 EXPECT_FALSE(manager_->HaveFixedAttribs());
134 }
135
TEST_F(VertexAttribManagerTest,CanAccess)136 TEST_F(VertexAttribManagerTest, CanAccess) {
137 MockErrorState error_state;
138 BufferManager buffer_manager(NULL, NULL);
139 buffer_manager.CreateBuffer(1, 2);
140 Buffer* buffer = buffer_manager.GetBuffer(1);
141 ASSERT_TRUE(buffer != NULL);
142
143 VertexAttrib* attrib = manager_->GetVertexAttrib(1);
144
145 EXPECT_TRUE(attrib->CanAccess(0));
146 manager_->Enable(1, true);
147 EXPECT_FALSE(attrib->CanAccess(0));
148
149 manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
150 EXPECT_FALSE(attrib->CanAccess(0));
151
152 EXPECT_TRUE(buffer_manager.SetTarget(buffer, GL_ARRAY_BUFFER));
153 TestHelper::DoBufferData(
154 gl_.get(), &error_state, &buffer_manager, buffer, 15, GL_STATIC_DRAW,
155 NULL, GL_NO_ERROR);
156
157 EXPECT_FALSE(attrib->CanAccess(0));
158 TestHelper::DoBufferData(
159 gl_.get(), &error_state, &buffer_manager, buffer, 16, GL_STATIC_DRAW,
160 NULL, GL_NO_ERROR);
161 EXPECT_TRUE(attrib->CanAccess(0));
162 EXPECT_FALSE(attrib->CanAccess(1));
163
164 manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 1);
165 EXPECT_FALSE(attrib->CanAccess(0));
166
167 TestHelper::DoBufferData(
168 gl_.get(), &error_state, &buffer_manager, buffer, 32, GL_STATIC_DRAW,
169 NULL, GL_NO_ERROR);
170 EXPECT_TRUE(attrib->CanAccess(0));
171 EXPECT_FALSE(attrib->CanAccess(1));
172 manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
173 EXPECT_TRUE(attrib->CanAccess(1));
174 manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 20, 0);
175 EXPECT_TRUE(attrib->CanAccess(0));
176 EXPECT_FALSE(attrib->CanAccess(1));
177
178 // The VertexAttribManager must be destroyed before the BufferManager
179 // so it releases its buffers.
180 manager_ = NULL;
181 buffer_manager.Destroy(false);
182 }
183
TEST_F(VertexAttribManagerTest,Unbind)184 TEST_F(VertexAttribManagerTest, Unbind) {
185 BufferManager buffer_manager(NULL, NULL);
186 buffer_manager.CreateBuffer(1, 2);
187 buffer_manager.CreateBuffer(3, 4);
188 Buffer* buffer1 = buffer_manager.GetBuffer(1);
189 Buffer* buffer2 = buffer_manager.GetBuffer(3);
190 ASSERT_TRUE(buffer1 != NULL);
191 ASSERT_TRUE(buffer2 != NULL);
192
193 VertexAttrib* attrib1 = manager_->GetVertexAttrib(1);
194 VertexAttrib* attrib3 = manager_->GetVertexAttrib(3);
195
196 // Attach to 2 buffers.
197 manager_->SetAttribInfo(1, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
198 manager_->SetAttribInfo(3, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
199 // Check they were attached.
200 EXPECT_EQ(buffer1, attrib1->buffer());
201 EXPECT_EQ(buffer1, attrib3->buffer());
202 // Unbind unattached buffer.
203 manager_->Unbind(buffer2);
204 // Should be no-op.
205 EXPECT_EQ(buffer1, attrib1->buffer());
206 EXPECT_EQ(buffer1, attrib3->buffer());
207 // Unbind buffer.
208 manager_->Unbind(buffer1);
209 // Check they were detached
210 EXPECT_TRUE(NULL == attrib1->buffer());
211 EXPECT_TRUE(NULL == attrib3->buffer());
212
213 // The VertexAttribManager must be destroyed before the BufferManager
214 // so it releases its buffers.
215 manager_ = NULL;
216 buffer_manager.Destroy(false);
217 }
218
219 // TODO(gman): Test ValidateBindings
220 // TODO(gman): Test ValidateBindings with client side arrays.
221
222 } // namespace gles2
223 } // namespace gpu
224
225
226