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1 // Copyright 2015 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 | |
7 #include "gpu/command_buffer/tests/gl_manager.h" | |
8 #include "gpu/command_buffer/tests/gl_test_utils.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 | |
11 namespace gpu { | |
12 | |
13 namespace { | |
14 const GLenum kCubeMapTextureTargets[] = { | |
15 GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, | |
16 GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, | |
17 GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, | |
18 }; | |
19 } // namespace | |
20 | |
21 // A collection of tests that exercise the cube map texture. | |
22 class GLCubeMapTextureTest : public testing::TestWithParam<GLenum> { | |
23 protected: | |
24 void SetUp() override { | |
25 gl_.Initialize(GLManager::Options()); | |
26 for (int i = 0; i < 256; i++) { | |
27 pixels_[i * 4] = 255u; | |
28 pixels_[(i * 4) + 1] = 0; | |
29 pixels_[(i * 4) + 2] = 0; | |
30 pixels_[(i * 4) + 3] = 255u; | |
31 } | |
32 } | |
33 | |
34 void TearDown() override { gl_.Destroy(); } | |
35 | |
36 uint8 pixels_[256 * 4]; | |
37 const int width_ = 16; | |
38 GLManager gl_; | |
39 }; | |
40 | |
41 INSTANTIATE_TEST_CASE_P(GLCubeMapTextureTests, | |
42 GLCubeMapTextureTest, | |
43 ::testing::ValuesIn(kCubeMapTextureTargets)); | |
44 | |
45 TEST_P(GLCubeMapTextureTest, FramebufferTexture2DToIncompleteCubeTexture) { | |
46 GLenum cube_map_target = GetParam(); | |
47 | |
48 GLuint texture = 0; | |
49 glGenTextures(1, &texture); | |
50 | |
51 glBindTexture(GL_TEXTURE_CUBE_MAP, texture); | |
52 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
53 | |
54 glTexImage2D(cube_map_target, 0, GL_RGBA, width_, width_, 0, GL_RGBA, | |
55 GL_UNSIGNED_BYTE, pixels_); | |
56 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
57 | |
58 GLuint framebuffer_id = 0; | |
59 glGenFramebuffers(1, &framebuffer_id); | |
60 glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id); | |
61 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, | |
62 texture, 0); | |
63 | |
64 // force_gl_finish_after_compositing workaround prevents Nexus 5 crash. | |
65 // TODO(dshwang): remove the workaround when it's fixed. crbug.com/518889 | |
66 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
67 } | |
68 | |
69 TEST_P(GLCubeMapTextureTest, TexImage2DAfterFBOBinding) { | |
70 GLenum cube_map_target = GetParam(); | |
71 | |
72 GLuint texture = 0; | |
73 glGenTextures(1, &texture); | |
74 | |
75 glBindTexture(GL_TEXTURE_CUBE_MAP, texture); | |
76 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
77 | |
78 GLuint framebuffer_id = 0; | |
79 glGenFramebuffers(1, &framebuffer_id); | |
80 glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id); | |
81 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, | |
82 texture, 0); | |
83 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
84 | |
85 // force_gl_finish_after_compositing workaround prevents Nexus 5 crash. | |
86 // TODO(dshwang): remove the workaround when it's fixed. crbug.com/518889 | |
87 glTexImage2D(cube_map_target, 0, GL_RGBA, width_, width_, 0, GL_RGBA, | |
88 GL_UNSIGNED_BYTE, pixels_); | |
89 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
90 } | |
91 | |
92 TEST_P(GLCubeMapTextureTest, ReadPixels) { | |
93 GLenum cube_map_target = GetParam(); | |
94 | |
95 GLuint texture = 0; | |
96 glGenTextures(1, &texture); | |
97 | |
98 glBindTexture(GL_TEXTURE_CUBE_MAP, texture); | |
99 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
100 | |
101 // Make a cube texture complete | |
102 for (unsigned i = 0; i < arraysize(kCubeMapTextureTargets); i++) { | |
103 glTexImage2D(kCubeMapTextureTargets[i], 0, GL_RGBA, width_, width_, 0, | |
104 GL_RGBA, GL_UNSIGNED_BYTE, pixels_); | |
105 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
106 } | |
107 | |
108 GLuint framebuffer_id = 0; | |
109 glGenFramebuffers(1, &framebuffer_id); | |
110 glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id); | |
111 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, | |
112 texture, 0); | |
113 EXPECT_TRUE(glGetError() == GL_NO_ERROR); | |
114 | |
115 // Check that FB is complete. | |
116 EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE), | |
no sievers
2015/08/11 21:08:54
what about mipmaps? don't you have to set the filt
dshwang
2015/08/12 08:06:09
good point! I add filter setup in SetUp()
| |
117 glCheckFramebufferStatus(GL_FRAMEBUFFER)); | |
118 | |
119 // ANGLE crashes on glReadPixels() except for CUBE_MAP_POSITIVE_X. | |
120 GLTestHelper::CheckPixels(0, 0, width_, width_, 0, pixels_); | |
121 EXPECT_TRUE(GL_NO_ERROR == glGetError()); | |
122 } | |
123 | |
124 } // namespace gpu | |
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