chromium/third_party/angle/src/tests/compiler_tests/EmulateGLBaseVertexBaseInstance_test.cpp

//
// Copyright 2019 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.
//
// ANGLE_base_vertex_base_instance.cpp:
//   Test for ANGLE_base_vertex_base_instance extension
//

#include "GLSLANG/ShaderLang.h"
#include "angle_gl.h"
#include "compiler/translator/tree_ops/EmulateMultiDrawShaderBuiltins.h"
#include "gtest/gtest.h"
#include "tests/test_utils/compiler_test.h"

usingnamespacesh;

class EmulateGLBaseVertexBaseInstanceTest : public MatchOutputCodeTest
{ … };

// Check that compilation fails if the compile option to emulate gl_BaseVertex and gl_BaseInstance
// is not set
TEST_F(EmulateGLBaseVertexBaseInstanceTest, RequiresEmulation)
{ … }

// Check that compiling with emulation with gl_BaseVertex and gl_BaseInstance works
TEST_F(EmulateGLBaseVertexBaseInstanceTest, CheckCompile)
{ … }

// Check that compiling with the old extension doesn't work
TEST_F(EmulateGLBaseVertexBaseInstanceTest, CheckCompileOldExtension)
{ … }

// Check that gl_BaseVertex and gl_BaseInstance is properly emulated
TEST_F(EmulateGLBaseVertexBaseInstanceTest, EmulatesUniform)
{ … }

// Check that a user-defined "gl_BaseVertex" or "gl_BaseInstance" is not permitted
TEST_F(EmulateGLBaseVertexBaseInstanceTest, DisallowsUserDefinedGLDrawID)
{ … }

// gl_BaseVertex and gl_BaseInstance are translated to angle_BaseVertex and angle_BaseInstance
// internally. Check that a user-defined angle_BaseVertex or angle_BaseInstance is permitted
TEST_F(EmulateGLBaseVertexBaseInstanceTest, AllowsUserDefinedANGLEDrawID)
{ … }