QByteArray compatibleShaderHeader(QOpenGLShader::ShaderType type)
{
#if BUG_GLES3_ANDROID
if (isOpenGLES())
return commonShaderHeader(type);
#endif //BUG_GLES3_ANDROID
QByteArray h;
// #version directive must occur in a compilation unit before anything else, except for comments and white spaces. Default is 100 if not set
h.append("#version ").append(QByteArray::number(GLSLVersion()));
if (isOpenGLES() && QOpenGLContext::currentContext()->format().majorVersion() > 2)
h += " es";
h += "\n";
h += commonShaderHeader(type);
if (GLSLVersion() >= 130) { // gl(es) 3
if (type == QOpenGLShader::Vertex) {
h += "#define attribute in\n"
"#define varying out\n"
;
} else if (type == QOpenGLShader::Fragment) {
h += "#define varying in\n"
"#define gl_FragColor out_color\n" //can not starts with 'gl_'
"out vec4 gl_FragColor;\n"
;
}
}
return h;
}
void GLSLVersionComparisonTest::testLessThan() {
CPPUNIT_ASSERT ( GLSLVersion(4,0) < GLSLVersion(4,1) );
CPPUNIT_ASSERT ( GLSLVersion(3,1) < GLSLVersion(4,0) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,1) < GLSLVersion(4,0)) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) < GLSLVersion(3,1)) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) < GLSLVersion(4,0)) );
}
void GLSLVersionComparisonTest::testGreaterThan() {
CPPUNIT_ASSERT ( GLSLVersion(4,1) > GLSLVersion(4,0) );
CPPUNIT_ASSERT ( GLSLVersion(4,0) > GLSLVersion(3,1) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) > GLSLVersion(4,1)) );
CPPUNIT_ASSERT ( !(GLSLVersion(3,1) > GLSLVersion(4,0)) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) < GLSLVersion(4,0)) );
}
void GLSLVersionParsingTest::runTest() {
char version[4] = "4.1";
GLSLVersion parsed = GLSLVersion::versionFromText(version);
CPPUNIT_ASSERT(parsed == GLSLVersion(4,1));
}
void GLSLVersionComparisonTest::testEquality() {
CPPUNIT_ASSERT ( GLSLVersion(4,0) == GLSLVersion(4,0) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) == GLSLVersion(3,0)) );
CPPUNIT_ASSERT ( !(GLSLVersion(4,0) == GLSLVersion(4,1)) );
}
