Revert "Reland c91b178b07b0d - Delete dead signin code (SigninGlobalError)"
[chromium-blink-merge.git] / gpu / command_buffer / tests / gl_unittest.cc
blob1df56c0756e3382a4332e238ac92bd75ae700f38
1 // Copyright 2014 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.
5 #include <GLES2/gl2.h>
6 #include <GLES2/gl2ext.h>
8 #include "gpu/command_buffer/service/feature_info.h"
9 #include "gpu/command_buffer/tests/gl_manager.h"
10 #include "gpu/command_buffer/tests/gl_test_utils.h"
11 #include "testing/gmock/include/gmock/gmock.h"
12 #include "testing/gtest/include/gtest/gtest.h"
14 namespace gpu {
16 class GLTest : public testing::Test {
17 protected:
18 void SetUp() override { gl_.Initialize(GLManager::Options()); }
20 void TearDown() override { gl_.Destroy(); }
22 GLManager gl_;
25 // Test that GL is at least minimally working.
26 TEST_F(GLTest, Basic) {
27 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
28 glClear(GL_COLOR_BUFFER_BIT);
29 uint8 expected[] = { 0, 255, 0, 255, };
30 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected));
31 GLTestHelper::CheckGLError("no errors", __LINE__);
34 TEST_F(GLTest, BasicFBO) {
35 GLuint tex = 0;
36 glGenTextures(1, &tex);
37 GLuint fbo = 0;
38 glGenFramebuffers(1, &fbo);
39 glBindTexture(GL_TEXTURE_2D, tex);
40 scoped_ptr<uint8[]> pixels(new uint8 [16*16*4]);
41 memset(pixels.get(), 0, 16*16*4);
42 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE,
43 pixels.get());
44 glGenerateMipmap(GL_TEXTURE_2D);
45 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
46 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
47 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
48 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
49 glBindFramebuffer(GL_FRAMEBUFFER, fbo);
50 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
51 tex, 0);
52 EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
53 glCheckFramebufferStatus(GL_FRAMEBUFFER));
54 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
55 glClear(GL_COLOR_BUFFER_BIT);
56 uint8 expected[] = { 0, 255, 0, 255, };
57 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 16, 16, 0, expected));
58 glDeleteFramebuffers(1, &fbo);
59 glDeleteTextures(1, &tex);
60 GLTestHelper::CheckGLError("no errors", __LINE__);
63 TEST_F(GLTest, SimpleShader) {
64 static const char* v_shader_str =
65 "attribute vec4 a_Position;\n"
66 "void main()\n"
67 "{\n"
68 " gl_Position = a_Position;\n"
69 "}\n";
70 static const char* f_shader_str =
71 "precision mediump float;\n"
72 "void main()\n"
73 "{\n"
74 " gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);\n"
75 "}\n";
77 GLuint program = GLTestHelper::LoadProgram(v_shader_str, f_shader_str);
78 glUseProgram(program);
79 GLuint position_loc = glGetAttribLocation(program, "a_Position");
81 GLTestHelper::SetupUnitQuad(position_loc);
83 uint8 expected_clear[] = { 127, 0, 255, 0, };
84 glClearColor(0.5f, 0.0f, 1.0f, 0.0f);
85 glClear(GL_COLOR_BUFFER_BIT);
86 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 1, expected_clear));
87 uint8 expected_draw[] = { 0, 255, 0, 255, };
88 glDrawArrays(GL_TRIANGLES, 0, 6);
89 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_draw));
92 TEST_F(GLTest, FeatureFlagsMatchCapabilities) {
93 scoped_refptr<gles2::FeatureInfo> features = new gles2::FeatureInfo;
94 EXPECT_TRUE(features->Initialize());
95 const auto& caps = gl_.GetCapabilities();
96 const auto& flags = features->feature_flags();
97 EXPECT_EQ(caps.egl_image_external, flags.oes_egl_image_external);
98 EXPECT_EQ(caps.texture_format_bgra8888, flags.ext_texture_format_bgra8888);
99 EXPECT_EQ(caps.texture_format_etc1, flags.oes_compressed_etc1_rgb8_texture);
100 EXPECT_EQ(caps.texture_rectangle, flags.arb_texture_rectangle);
101 EXPECT_EQ(caps.texture_usage, flags.angle_texture_usage);
102 EXPECT_EQ(caps.texture_storage, flags.ext_texture_storage);
103 EXPECT_EQ(caps.discard_framebuffer, flags.ext_discard_framebuffer);
104 EXPECT_EQ(caps.sync_query, flags.chromium_sync_query);
105 EXPECT_EQ(caps.blend_equation_advanced, flags.blend_equation_advanced);
106 EXPECT_EQ(caps.blend_equation_advanced_coherent,
107 flags.blend_equation_advanced_coherent);
108 EXPECT_EQ(caps.texture_rg, flags.ext_texture_rg);
109 EXPECT_EQ(caps.render_buffer_format_bgra8888,
110 flags.ext_render_buffer_format_bgra8888);
111 EXPECT_EQ(caps.occlusion_query_boolean, flags.occlusion_query_boolean);
114 TEST_F(GLTest, GetString) {
115 EXPECT_STREQ(
116 "OpenGL ES 2.0 Chromium",
117 reinterpret_cast<const char*>(glGetString(GL_VERSION)));
118 EXPECT_STREQ(
119 "OpenGL ES GLSL ES 1.0 Chromium",
120 reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION)));
121 EXPECT_STREQ(
122 "Chromium",
123 reinterpret_cast<const char*>(glGetString(GL_RENDERER)));
124 EXPECT_STREQ(
125 "Chromium",
126 reinterpret_cast<const char*>(glGetString(GL_VENDOR)));
129 } // namespace gpu