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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 <GLES2/gl2.h> | |
6 #include <GLES2/gl2ext.h> | |
7 | |
8 #include "gpu/command_buffer/tests/gl_manager.h" | |
9 #include "gpu/command_buffer/tests/gl_test_utils.h" | |
10 #include "testing/gmock/include/gmock/gmock.h" | |
11 #include "testing/gtest/include/gtest/gtest.h" | |
12 | |
13 | |
14 #define SHADER(Src) #Src | |
15 | |
16 namespace gpu { | |
17 | |
18 class GLVirtualContextsTest : public testing::Test { | |
19 protected: | |
20 static const int kSize0 = 4; | |
21 static const int kSize1 = 8; | |
22 static const int kSize2 = 16; | |
23 | |
24 virtual void SetUp() { | |
25 GLManager::Options options; | |
26 options.size = gfx::Size(kSize0, kSize0); | |
27 gl_real_.Initialize(options); | |
28 gl_real_shared_.Initialize(options); | |
29 options.virtual_manager = &gl_real_shared_; | |
30 options.size = gfx::Size(kSize1, kSize1); | |
31 gl1_.Initialize(options); | |
32 options.size = gfx::Size(kSize2, kSize2); | |
33 gl2_.Initialize(options); | |
34 } | |
35 | |
36 virtual void TearDown() { | |
37 gl1_.Destroy(); | |
38 gl2_.Destroy(); | |
39 gl_real_shared_.Destroy(); | |
40 gl_real_.Destroy(); | |
41 } | |
42 | |
43 GLManager gl_real_; | |
44 GLManager gl_real_shared_; | |
45 GLManager gl1_; | |
46 GLManager gl2_; | |
47 }; | |
48 | |
49 namespace { | |
50 | |
51 #if !defined(OS_ANDROID) | |
52 void SetupSimpleShader(const uint8* color) { | |
53 static const char* v_shader_str = SHADER( | |
54 attribute vec4 a_Position; | |
55 void main() | |
56 { | |
57 gl_Position = a_Position; | |
58 } | |
59 ); | |
60 | |
61 static const char* f_shader_str = SHADER( | |
62 precision mediump float; | |
63 uniform vec4 u_color; | |
64 void main() | |
65 { | |
66 gl_FragColor = u_color; | |
67 } | |
68 ); | |
69 | |
70 GLuint program = GLTestHelper::LoadProgram(v_shader_str, f_shader_str); | |
71 glUseProgram(program); | |
72 | |
73 GLuint position_loc = glGetAttribLocation(program, "a_Position"); | |
74 | |
75 GLTestHelper::SetupUnitQuad(position_loc); | |
76 | |
77 GLuint color_loc = glGetUniformLocation(program, "u_color"); | |
78 glUniform4f( | |
79 color_loc, | |
80 color[0] / 255.0f, | |
81 color[1] / 255.0f, | |
82 color[2] / 255.0f, | |
83 color[3] / 255.0f); | |
84 } | |
85 | |
86 void TestDraw(int size) { | |
87 uint8 expected_clear[] = { 127, 0, 255, 0, }; | |
88 glClearColor(0.5f, 0.0f, 1.0f, 0.0f); | |
89 glClear(GL_COLOR_BUFFER_BIT); | |
90 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, size, size, 1, expected_clear)); | |
91 glDrawArrays(GL_TRIANGLES, 0, 6); | |
92 } | |
93 | |
94 #endif // !defined(OS_ANDROID) | |
95 | |
96 } // anonymous namespace | |
97 | |
98 // http://crbug.com/281565 | |
99 #if !defined(OS_ANDROID) | |
100 TEST_F(GLVirtualContextsTest, Basic) { | |
101 struct TestInfo { | |
102 int size; | |
103 uint8 color[4]; | |
104 GLManager* manager; | |
105 }; | |
106 const int kNumTests = 3; | |
107 TestInfo tests[] = { | |
108 { kSize0, { 255, 0, 0, 0, }, &gl_real_, }, | |
109 { kSize1, { 0, 255, 0, 0, }, &gl1_, }, | |
110 { kSize2, { 0, 0, 255, 0, }, &gl2_, }, | |
111 }; | |
112 | |
113 for (int ii = 0; ii < kNumTests; ++ii) { | |
114 const TestInfo& test = tests[ii]; | |
115 GLManager* gl_manager = test.manager; | |
116 gl_manager->MakeCurrent(); | |
117 SetupSimpleShader(test.color); | |
118 } | |
119 | |
120 for (int ii = 0; ii < kNumTests; ++ii) { | |
121 const TestInfo& test = tests[ii]; | |
122 GLManager* gl_manager = test.manager; | |
123 gl_manager->MakeCurrent(); | |
124 TestDraw(test.size); | |
125 } | |
126 | |
127 for (int ii = 0; ii < kNumTests; ++ii) { | |
128 const TestInfo& test = tests[ii]; | |
129 GLManager* gl_manager = test.manager; | |
130 gl_manager->MakeCurrent(); | |
131 EXPECT_TRUE(GLTestHelper::CheckPixels( | |
132 0, 0, test.size, test.size, 0, test.color)); | |
133 } | |
134 | |
135 for (int ii = 0; ii < kNumTests; ++ii) { | |
136 const TestInfo& test = tests[ii]; | |
137 GLManager* gl_manager = test.manager; | |
138 gl_manager->MakeCurrent(); | |
139 GLTestHelper::CheckGLError("no errors", __LINE__); | |
140 } | |
141 } | |
142 #endif | |
143 | |
144 } // namespace gpu | |
145 | |
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