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// Copyright (c) 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <GLES2/gl2.h>
#include "gpu/command_buffer/service/shader_translator_cache.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gpu {
namespace gles2 {
TEST(ShaderTranslatorCacheTest, InitParamComparable) {
// Tests that ShaderTranslatorInitParams padding or padding of its
// members does not affect the object equality or ordering.
ShBuiltInResources a_resources;
memset(&a_resources, 88, sizeof(a_resources));
ShInitBuiltInResources(&a_resources);
ShBuiltInResources b_resources;
memset(&b_resources, 77, sizeof(b_resources));
ShInitBuiltInResources(&b_resources);
EXPECT_TRUE(memcmp(&a_resources, &b_resources, sizeof(a_resources)) == 0);
ShCompileOptions driver_bug_workarounds = SH_VALIDATE;
char a_storage[sizeof(ShaderTranslatorCache::ShaderTranslatorInitParams)];
memset(a_storage, 55, sizeof(a_storage));
ShaderTranslatorCache::ShaderTranslatorInitParams* a =
new (&a_storage) ShaderTranslatorCache::ShaderTranslatorInitParams(
GL_VERTEX_SHADER,
SH_GLES2_SPEC,
a_resources,
ShaderTranslatorInterface::kGlslES,
driver_bug_workarounds);
ShaderTranslatorCache::ShaderTranslatorInitParams b(
GL_VERTEX_SHADER,
SH_GLES2_SPEC,
b_resources,
ShaderTranslatorInterface::kGlslES,
driver_bug_workarounds);
EXPECT_TRUE(*a == b);
EXPECT_FALSE(*a < b || b < *a);
memset(a_storage, 55, sizeof(a_storage));
a = new (&a_storage) ShaderTranslatorCache::ShaderTranslatorInitParams(b);
EXPECT_TRUE(*a == b);
EXPECT_FALSE(*a < b || b < *a);
}
} // namespace gles2
} // namespace gpu
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