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

//
// Copyright 2018 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_draw_id.cpp:
//   Test for ANGLE_draw_id 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 EmulateGLDrawIDTest : public MatchOutputCodeTest
{ … };

// Check that compilation fails if the compile option to emulate gl_DrawID
// is not set
TEST_F(EmulateGLDrawIDTest, RequiresEmulation)
{ … }

// Check that compiling with emulation with gl_DrawID works with different shader versions
TEST_F(EmulateGLDrawIDTest, CheckCompile)
{ … }

// Check that gl_DrawID is properly emulated
TEST_F(EmulateGLDrawIDTest, EmulatesUniform)
{ … }

// Check that a user-defined "gl_DrawID" is not permitted
TEST_F(EmulateGLDrawIDTest, DisallowsUserDefinedGLDrawID)
{ … }

// gl_DrawID is translated to angle_DrawID internally. Check that a user-defined
// angle_DrawID is permitted
TEST_F(EmulateGLDrawIDTest, AllowsUserDefinedANGLEDrawID)
{ … }