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//
// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// ShCompile_test.cpp
// Test the ShCompile interface with different parameters.
//
#include "angle_gl.h"
#include "gtest/gtest.h"
#include "GLSLANG/ShaderLang.h"
class ShCompileTest : public testing::Test
{
public:
ShCompileTest() {}
protected:
void SetUp() override
{
ShInitBuiltInResources(&mResources);
mCompiler = ShConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL_SPEC,
SH_GLSL_COMPATIBILITY_OUTPUT, &mResources);
ASSERT_TRUE(mCompiler != nullptr) << "Compiler could not be constructed.";
}
void TearDown() override
{
if (mCompiler)
{
ShDestruct(mCompiler);
mCompiler = nullptr;
}
}
void testCompile(const char **shaderStrings, int stringCount, bool expectation)
{
bool success = ShCompile(mCompiler, shaderStrings, stringCount, 0);
const std::string &compileLog = ShGetInfoLog(mCompiler);
EXPECT_EQ(expectation, success) << compileLog;
}
private:
ShBuiltInResources mResources;
ShHandle mCompiler;
};
// Test calling ShCompile with more than one shader source string.
TEST_F(ShCompileTest, MultipleShaderStrings)
{
const std::string &shaderString1 =
"precision mediump float;\n"
"void main() {\n";
const std::string &shaderString2 =
" gl_FragColor = vec4(0.0);\n"
"}";
const char *shaderStrings[] = {shaderString1.c_str(), shaderString2.c_str()};
testCompile(shaderStrings, 2, true);
}
// Test calling ShCompile with a tokens split into different shader source strings.
TEST_F(ShCompileTest, TokensSplitInShaderStrings)
{
const std::string &shaderString1 =
"precision mediump float;\n"
"void ma";
const std::string &shaderString2 =
"in() {\n"
"#i";
const std::string &shaderString3 =
"f 1\n"
" gl_FragColor = vec4(0.0);\n"
"#endif\n"
"}";
const char *shaderStrings[] = {shaderString1.c_str(), shaderString2.c_str(),
shaderString3.c_str()};
testCompile(shaderStrings, 3, true);
}
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