1 //
2 // Copyright 2015 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 // WorkGroupSize_test.cpp:
7 // tests for local group size in a compute shader
8 //
9
10 #include "GLSLANG/ShaderLang.h"
11 #include "angle_gl.h"
12 #include "compiler/translator/TranslatorESSL.h"
13 #include "gtest/gtest.h"
14 #include "tests/test_utils/compiler_test.h"
15
16 using namespace sh;
17
18 class WorkGroupSizeTest : public testing::Test
19 {
20 public:
WorkGroupSizeTest()21 WorkGroupSizeTest() {}
22
23 protected:
SetUp()24 void SetUp() override
25 {
26 ShBuiltInResources resources;
27 InitBuiltInResources(&resources);
28
29 mTranslator = new TranslatorESSL(GL_COMPUTE_SHADER, SH_GLES3_1_SPEC);
30 ASSERT_TRUE(mTranslator->Init(resources));
31 }
32
TearDown()33 void TearDown() override { SafeDelete(mTranslator); }
34
35 // Return true when compilation succeeds
compile(const std::string & shaderString)36 bool compile(const std::string &shaderString)
37 {
38 const char *shaderStrings[] = {shaderString.c_str()};
39 bool status = mTranslator->compile(shaderStrings, 1, SH_INTERMEDIATE_TREE | SH_VARIABLES);
40 TInfoSink &infoSink = mTranslator->getInfoSink();
41 mInfoLog = infoSink.info.c_str();
42 return status;
43 }
44
45 protected:
46 std::string mInfoLog;
47 TranslatorESSL *mTranslator = nullptr;
48 };
49
50 // checks whether compiler has parsed the local size layout qualifiers qcorrectly
TEST_F(WorkGroupSizeTest,OnlyLocalSizeXSpecified)51 TEST_F(WorkGroupSizeTest, OnlyLocalSizeXSpecified)
52 {
53 const std::string &shaderString =
54 "#version 310 es\n"
55 "layout(local_size_x=5) in;\n"
56 "void main() {\n"
57 "}\n";
58
59 compile(shaderString);
60
61 const WorkGroupSize &localSize = mTranslator->getComputeShaderLocalSize();
62 ASSERT_EQ(5, localSize[0]);
63 ASSERT_EQ(1, localSize[1]);
64 ASSERT_EQ(1, localSize[2]);
65 }
66
67 // checks whether compiler has parsed the local size layout qualifiers qcorrectly
TEST_F(WorkGroupSizeTest,LocalSizeXandZ)68 TEST_F(WorkGroupSizeTest, LocalSizeXandZ)
69 {
70 const std::string &shaderString =
71 "#version 310 es\n"
72 "layout(local_size_x=5, local_size_z=10) in;\n"
73 "void main() {\n"
74 "}\n";
75
76 compile(shaderString);
77
78 const WorkGroupSize &localSize = mTranslator->getComputeShaderLocalSize();
79 ASSERT_EQ(5, localSize[0]);
80 ASSERT_EQ(1, localSize[1]);
81 ASSERT_EQ(10, localSize[2]);
82 }
83
84 // checks whether compiler has parsed the local size layout qualifiers qcorrectly
TEST_F(WorkGroupSizeTest,LocalSizeAll)85 TEST_F(WorkGroupSizeTest, LocalSizeAll)
86 {
87 const std::string &shaderString =
88 "#version 310 es\n"
89 "layout(local_size_x=5, local_size_z=10, local_size_y=15) in;\n"
90 "void main() {\n"
91 "}\n";
92
93 compile(shaderString);
94
95 const WorkGroupSize &localSize = mTranslator->getComputeShaderLocalSize();
96 ASSERT_EQ(5, localSize[0]);
97 ASSERT_EQ(15, localSize[1]);
98 ASSERT_EQ(10, localSize[2]);
99 }
100