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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 namespace gpu { | |
14 | |
15 class TextureStorageTest : public testing::Test { | |
16 protected: | |
17 static const GLsizei kResolution = 64; | |
18 virtual void SetUp() { | |
19 GLManager::Options options; | |
20 options.size = gfx::Size(kResolution, kResolution); | |
21 gl_.Initialize(options); | |
22 gl_.MakeCurrent(); | |
23 | |
24 glGenTextures(1, &tex_); | |
25 glBindTexture(GL_TEXTURE_2D, tex_); | |
26 | |
27 glGenFramebuffers(1, &fbo_); | |
28 glBindFramebuffer(GL_FRAMEBUFFER, fbo_); | |
29 glFramebufferTexture2D(GL_FRAMEBUFFER, | |
30 GL_COLOR_ATTACHMENT0, | |
31 GL_TEXTURE_2D, | |
32 tex_, | |
33 0); | |
34 | |
35 const GLubyte* extensions = glGetString(GL_EXTENSIONS); | |
36 extension_available_ = strstr(reinterpret_cast<const char*>( | |
37 extensions), "GL_EXT_texture_storage"); | |
38 } | |
39 | |
40 virtual void TearDown() { | |
41 gl_.Destroy(); | |
42 } | |
43 | |
44 GLManager gl_; | |
45 GLuint tex_; | |
46 GLuint fbo_; | |
47 bool extension_available_; | |
48 }; | |
49 | |
50 TEST_F(TextureStorageTest, CorrectPixels) { | |
51 if (!extension_available_) | |
52 return; | |
53 | |
54 glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2); | |
55 | |
56 uint8 source_pixels[16] = { | |
57 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4 | |
58 }; | |
59 glTexSubImage2D(GL_TEXTURE_2D, | |
60 0, | |
61 0, 0, | |
62 2, 2, | |
63 GL_RGBA, GL_UNSIGNED_BYTE, | |
64 source_pixels); | |
65 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 2, 2, 0, source_pixels)); | |
66 } | |
67 | |
68 TEST_F(TextureStorageTest, IsImmutable) { | |
69 if (!extension_available_) | |
70 return; | |
71 | |
72 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4); | |
73 | |
74 GLint param = 0; | |
75 glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_IMMUTABLE_FORMAT_EXT, ¶m); | |
76 EXPECT_TRUE(param); | |
77 } | |
78 | |
79 TEST_F(TextureStorageTest, OneLevel) { | |
80 if (!extension_available_) | |
81 return; | |
82 | |
83 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4); | |
84 | |
85 uint8 source_pixels[64] = { 0 }; | |
86 | |
87 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
88 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4, | |
89 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels); | |
90 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
91 glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 2, 2, | |
92 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels); | |
93 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); | |
94 } | |
95 | |
96 TEST_F(TextureStorageTest, MultipleLevels) { | |
97 if (!extension_available_) | |
98 return; | |
99 | |
100 glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2); | |
101 | |
102 uint8 source_pixels[16] = { 0 }; | |
103 | |
104 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
105 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 2, 2, | |
106 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels); | |
107 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
108 glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 1, 1, | |
109 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels); | |
110 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
111 glTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, 1, 1, | |
112 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels); | |
113 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); | |
114 } | |
115 | |
116 TEST_F(TextureStorageTest, BadTarget) { | |
117 if (!extension_available_) | |
118 return; | |
119 | |
120 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
121 glTexStorage2DEXT(GL_TEXTURE_CUBE_MAP, 1, GL_RGBA8_OES, 4, 4); | |
122 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_ENUM), glGetError()); | |
123 } | |
124 | |
125 TEST_F(TextureStorageTest, InvalidId) { | |
126 if (!extension_available_) | |
127 return; | |
128 | |
129 glDeleteTextures(1, &tex_); | |
130 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
131 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4); | |
132 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); | |
133 } | |
134 | |
135 TEST_F(TextureStorageTest, CannotRedefine) { | |
136 if (!extension_available_) | |
137 return; | |
138 | |
139 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4); | |
140 | |
141 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
142 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4); | |
143 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); | |
144 | |
145 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
146 glTexImage2D(GL_TEXTURE_2D, | |
147 0, | |
148 GL_RGBA, | |
149 4, 4, | |
150 0, | |
151 GL_RGBA, | |
152 GL_UNSIGNED_BYTE, | |
153 NULL); | |
154 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); | |
155 } | |
156 | |
157 } // namespace gpu | |
158 | |
159 | |
160 | |
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