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
|
// Copyright 2011 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 "cc/output/texture_copier.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/khronos/GLES2/gl2.h"
using testing::InSequence;
using testing::Test;
using testing::_;
using WebKit::WebGLId;
using WebKit::WGC3Denum;
using WebKit::WGC3Dint;
using WebKit::WGC3Dsizei;
namespace cc {
namespace {
class MockContext : public TestWebGraphicsContext3D {
public:
MOCK_METHOD2(bindFramebuffer, void(WGC3Denum, WebGLId));
MOCK_METHOD3(texParameteri,
void(WGC3Denum target, WGC3Denum pname, WGC3Dint param));
MOCK_METHOD1(disable, void(WGC3Denum cap));
MOCK_METHOD1(enable, void(WGC3Denum cap));
MOCK_METHOD3(drawArrays,
void(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count));
};
TEST(TextureCopierTest, TestDrawArraysCopy) {
scoped_ptr<MockContext> mock_context(new MockContext);
{
InSequence sequence;
EXPECT_CALL(*mock_context, disable(GL_SCISSOR_TEST));
// Here we check just some essential properties of copyTexture() to avoid
// mirroring the full implementation.
EXPECT_CALL(*mock_context, bindFramebuffer(GL_FRAMEBUFFER, _));
// Make sure linear filtering is disabled during the copy.
EXPECT_CALL(
*mock_context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
EXPECT_CALL(
*mock_context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
EXPECT_CALL(*mock_context, disable(GL_BLEND));
EXPECT_CALL(*mock_context, drawArrays(_, _, _));
// Linear filtering, default framebuffer and scissor test should be
// restored.
EXPECT_CALL(*mock_context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
EXPECT_CALL(*mock_context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
EXPECT_CALL(*mock_context, bindFramebuffer(GL_FRAMEBUFFER, 0));
EXPECT_CALL(*mock_context, enable(GL_SCISSOR_TEST));
}
WebGLId source_texture_id = mock_context->createTexture();
WebGLId dest_texture_id = mock_context->createTexture();
gfx::Size size(256, 128);
scoped_ptr<AcceleratedTextureCopier> copier(
AcceleratedTextureCopier::Create(mock_context.get(), false, 0));
TextureCopier::Parameters copy = { source_texture_id, dest_texture_id, size };
copier->CopyTexture(copy);
}
} // namespace
} // namespace cc
|
