chromium/third_party/angle/src/tests/gl_tests/FragDepthTest.cpp

//
// Copyright 2022 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.
//
// FragDepthTest:
//   Tests the correctness of gl_FragDepth usage.
//

#include "test_utils/ANGLETest.h"
#include "test_utils/gl_raii.h"

usingnamespaceangle;

class FragDepthTest : public ANGLETest<>
{ … };

// Test that writing to gl_FragDepth works
TEST_P(FragDepthTest, DepthBufferBound)
{ … }

// Test that writing to gl_FragDepth with no depth buffer works.
TEST_P(FragDepthTest, DepthBufferUnbound)
{ … }

// Test that fragment shader depth writes to a no-depth framebuffer do not fail
// after using a depth-enabled framebuffer with the same program.
TEST_P(FragDepthTest, SwitchToNoDepthFramebuffer)
{ … }

class FragDepthRedeclarationTest : public ANGLETest<>
{ … };

// Test gl_FragDepth redeclared as vertex output
TEST_P(FragDepthRedeclarationTest, VSOutput)
{ … }

// Test gl_FragDepth redeclared as fragment input
TEST_P(FragDepthRedeclarationTest, FSInput)
{ … }

// Test gl_FragDepth redeclaration with no layout qualifier
TEST_P(FragDepthRedeclarationTest, NoLayout)
{ … }

// Test gl_FragDepth redeclaration with depth_any layout qualifier
TEST_P(FragDepthRedeclarationTest, Any)
{ … }

// Test gl_FragDepth redeclaration with depth_greater layout qualifier
TEST_P(FragDepthRedeclarationTest, Greater)
{ … }

// Test gl_FragDepth redeclaration with depth_less layout qualifier
TEST_P(FragDepthRedeclarationTest, Less)
{ … }

// Test gl_FragDepth redeclaration with depth_unchanged layout qualifier
TEST_P(FragDepthRedeclarationTest, Unchanged)
{ … }

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(…);
ANGLE_INSTANTIATE_TEST_ES3(…);

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(…);
ANGLE_INSTANTIATE_TEST_ES3(…);