1 // Copyright (C) 2018 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "GLSnapshotTesting.h"
16 #include "OpenGLTestContext.h"
17
18 #include <gtest/gtest.h>
19
20 namespace gfxstream {
21 namespace gl {
22 namespace {
23
24 // Viewport settings to attempt
25 static const std::vector<GLint> kGLES2TestViewport = {10, 10, 100, 100};
26
27 // Depth range settings to attempt
28 static const std::vector<GLclampf> kGLES2TestDepthRange = {0.2f, 0.8f};
29
30 class SnapshotGlViewportTest
31 : public SnapshotPreserveTest,
32 public ::testing::WithParamInterface<std::vector<GLint>> {
defaultStateCheck()33 void defaultStateCheck() override {
34 GLint viewport[4] = {};
35 gl->glGetIntegerv(GL_VIEWPORT, viewport);
36 // initial viewport should match surface size
37 EXPECT_EQ(kTestSurfaceSize[0], viewport[2]);
38 EXPECT_EQ(kTestSurfaceSize[1], viewport[3]);
39 }
changedStateCheck()40 void changedStateCheck() override {
41 EXPECT_TRUE(compareGlobalGlIntv(gl, GL_VIEWPORT, GetParam()));
42 }
stateChange()43 void stateChange() override {
44 gl->glViewport(GetParam()[0], GetParam()[1], GetParam()[2],
45 GetParam()[3]);
46 }
47 };
48
TEST_P(SnapshotGlViewportTest,SetViewport)49 TEST_P(SnapshotGlViewportTest, SetViewport) {
50 doCheckedSnapshot();
51 }
52
53 INSTANTIATE_TEST_SUITE_P(GLES2SnapshotTransformation,
54 SnapshotGlViewportTest,
55 ::testing::Values(kGLES2TestViewport));
56
57 class SnapshotGlDepthRangeTest
58 : public SnapshotSetValueTest<std::vector<GLclampf>>,
59 public ::testing::WithParamInterface<std::vector<GLclampf>> {
stateCheck(std::vector<GLclampf> expected)60 void stateCheck(std::vector<GLclampf> expected) override {
61 EXPECT_TRUE(compareGlobalGlFloatv(gl, GL_DEPTH_RANGE, expected));
62 }
stateChange()63 void stateChange() override {
64 std::vector<GLclampf> testRange = GetParam();
65 gl->glDepthRangef(testRange[0], testRange[1]);
66 }
67 };
68
TEST_P(SnapshotGlDepthRangeTest,SetDepthRange)69 TEST_P(SnapshotGlDepthRangeTest, SetDepthRange) {
70 std::vector<GLclampf> defaultRange = {0.0f, 1.0f};
71 setExpectedValues(defaultRange, GetParam());
72 doCheckedSnapshot();
73 }
74
75 INSTANTIATE_TEST_SUITE_P(GLES2SnapshotTransformation,
76 SnapshotGlDepthRangeTest,
77 ::testing::Values(kGLES2TestDepthRange));
78
79 } // namespace
80 } // namespace gl
81 } // namespace gfxstream
82