1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
// 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
|
