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

//
// Copyright 2016 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.
//
// ShaderImage_test.cpp:
// Tests for images
//

#include "GLSLANG/ShaderLang.h"
#include "angle_gl.h"
#include "compiler/translator/StaticType.h"
#include "gtest/gtest.h"
#include "tests/test_utils/ShaderCompileTreeTest.h"
#include "tests/test_utils/compiler_test.h"

usingnamespacesh;

namespace
{

// Checks that the imageStore call with mangled name imageStoreMangledName exists in the AST.
// Further each argument is checked whether it matches the expected properties given the compiled
// shader.
void CheckImageStoreCall(TIntermNode *astRoot,
                         const TString &imageStoreMangledName,
                         TBasicType imageType,
                         int storeLocationNominalSize,
                         TBasicType storeValueType,
                         int storeValueNominalSize)
{ … }

// Checks that the imageLoad call with mangled name imageLoadMangledName exists in the AST.
// Further each argument is checked whether it matches the expected properties given the compiled
// shader.
void CheckImageLoadCall(TIntermNode *astRoot,
                        const TString &imageLoadMangledName,
                        TBasicType imageType,
                        int loadLocationNominalSize)
{ … }

// Checks whether the image is properly exported as a uniform by the compiler.
void CheckExportedImageUniform(const std::vector<sh::ShaderVariable> &uniforms,
                               size_t uniformIndex,
                               ::GLenum imageTypeGL,
                               const TString &imageName)
{ … }

// Checks whether the image is saved in the AST as a node with the correct properties given the
// shader.
void CheckImageDeclaration(TIntermNode *astRoot,
                           const ImmutableString &imageName,
                           TBasicType imageType,
                           TLayoutImageInternalFormat internalFormat,
                           bool readonly,
                           bool writeonly,
                           bool coherent,
                           bool restrictQualifier,
                           bool volatileQualifier,
                           int binding)
{ … }

}  // namespace

class ShaderImageTest : public ShaderCompileTreeTest
{ … };

// Test that an image2D is properly parsed and exported as a uniform.
TEST_F(ShaderImageTest, Image2DDeclaration)
{ … }

// Test that an image3D is properly parsed and exported as a uniform.
TEST_F(ShaderImageTest, Image3DDeclaration)
{ … }

// Check that imageLoad calls get correctly parsed.
TEST_F(ShaderImageTest, ImageLoad)
{ … }

// Check that imageStore calls get correctly parsed.
TEST_F(ShaderImageTest, ImageStore)
{ … }

// Check that memory qualifiers are correctly parsed.
TEST_F(ShaderImageTest, ImageMemoryQualifiers)
{ … }