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

//
// Copyright 2020 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.
//
// OES_sample_variables_test.cpp:
//   Test for OES_sample_variables
//

#include "tests/test_utils/ShaderExtensionTest.h"

namespace
{
const char OESPragma[] = …;

// Shader using gl_SampleMask with non-constant index
// This shader is in the deqp test
// (functional_shaders_sample_variables_sample_mask_discard_half_per_sample_default_framebuffer)
const char ESSL310_GLSampleMaskShader[] = …;

// Shader using gl_SampleMask with non-constant index
// This shader is based on the deqp test on below
// (functional_shaders_sample_variables_sample_mask_in_bit_count_per_sample_multisample_texture_2)
const char ESSL310_GLSampleMaskInShader[] = …;

class OESSampleVariablesTest : public sh::ShaderExtensionTest
{ … };

// GLES3 needs OES_sample_variables extension
class OESSampleVariablesTestES31 : public OESSampleVariablesTest
{ … };

// Extension flag is required to compile properly. Expect failure when it is
// not present.
TEST_P(OESSampleVariablesTestES31, CompileFailsWithoutExtension)
{ … }

// Extension directive is required to compile properly. Expect failure when
// it is not present.
TEST_P(OESSampleVariablesTestES31, CompileFailsWithExtensionWithoutPragma)
{ … }

// With extension flag and extension directive, compiling succeeds.
// Also test that the extension directive state is reset correctly.
#ifdef ANGLE_ENABLE_VULKAN
TEST_P(OESSampleVariablesTestES31, CompileSucceedsWithExtensionAndPragmaOnVulkan)
{ … }
#endif

INSTANTIATE_TEST_SUITE_P(…);

}  // anonymous namespace