1 //
2 // Copyright 2020 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 // GetTexLevelParameterTest.cpp : Tests of the GL_ANGLE_get_tex_level_parameter extension.
8
9 #include "test_utils/ANGLETest.h"
10
11 #include "test_utils/gl_raii.h"
12
13 namespace angle
14 {
15
16 class GetTexLevelParameterTest : public ANGLETest
17 {
18 protected:
GetTexLevelParameterTest()19 GetTexLevelParameterTest()
20 {
21 setWindowWidth(128);
22 setWindowHeight(128);
23 setConfigRedBits(8);
24 setConfigGreenBits(8);
25 setConfigBlueBits(8);
26 setConfigAlphaBits(8);
27 setExtensionsEnabled(false);
28 }
29 };
30
31 // Extension is requestable so it should be disabled by default.
TEST_P(GetTexLevelParameterTest,ExtensionStringExposed)32 TEST_P(GetTexLevelParameterTest, ExtensionStringExposed)
33 {
34 EXPECT_FALSE(IsGLExtensionEnabled("GL_ANGLE_get_tex_level_parameter"));
35
36 if (IsGLExtensionRequestable("GL_ANGLE_get_tex_level_parameter"))
37 {
38 glRequestExtensionANGLE("GL_ANGLE_get_tex_level_parameter");
39 EXPECT_GL_NO_ERROR();
40
41 EXPECT_TRUE(IsGLExtensionEnabled("GL_ANGLE_get_tex_level_parameter"));
42 }
43 }
44
45 // Test various queries exposed by GL_ANGLE_get_tex_level_parameter
TEST_P(GetTexLevelParameterTest,Queries)46 TEST_P(GetTexLevelParameterTest, Queries)
47 {
48 ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_ANGLE_get_tex_level_parameter"));
49
50 GLTexture texture;
51 glBindTexture(GL_TEXTURE_2D, texture);
52 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
53
54 {
55 GLint width = 0;
56 glGetTexLevelParameterivANGLE(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
57 EXPECT_GL_NO_ERROR();
58 EXPECT_EQ(1, width);
59 }
60
61 {
62 GLint height = 0;
63 glGetTexLevelParameterivANGLE(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &height);
64 EXPECT_GL_NO_ERROR();
65 EXPECT_EQ(2, height);
66 }
67
68 {
69 GLint internalFormat = 0;
70 glGetTexLevelParameterivANGLE(GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT,
71 &internalFormat);
72 EXPECT_GL_NO_ERROR();
73 EXPECT_GLENUM_EQ(GL_RGBA, internalFormat);
74 }
75 }
76
77 // Use this to select which configurations (e.g. which renderer, which GLES major version) these
78 // tests should be run against.
79 ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(GetTexLevelParameterTest);
80 } // namespace angle
81