chromium/third_party/angle/src/tests/gl_tests/SRGBFramebufferTest.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.
//

// SRGBFramebufferTest.cpp: Tests of sRGB framebuffer functionality.

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

namespace
{
constexpr angle::GLColor linearColor(64, 127, 191, 255);
constexpr angle::GLColor srgbColor(13, 54, 133, 255);
}  // namespace

namespace angle
{

class SRGBFramebufferTest : public ANGLETest<>
{ … };

class SRGBFramebufferTestES3 : public SRGBFramebufferTest
{ … };

// Test basic validation of GL_EXT_sRGB_write_control
TEST_P(SRGBFramebufferTest, Validation)
{ … }

// Test basic functionality of GL_EXT_sRGB_write_control
TEST_P(SRGBFramebufferTest, BasicUsage)
{ … }

// Test that GL_EXT_sRGB_write_control state applies to all framebuffers if multiple are used
// 1. disable srgb
// 2. draw to both framebuffers
// 3. enable srgb
// 4. draw to both framebuffers
TEST_P(SRGBFramebufferTest, MultipleFramebuffers)
{ … }

// Test that we behave correctly when we toggle FRAMEBUFFER_SRGB_EXT on a framebuffer that has an
// attachment in linear colorspace
TEST_P(SRGBFramebufferTest, NegativeAlreadyLinear)
{ … }

// Test that lifetimes of internal resources are tracked correctly by deleting a texture and then
// attempting to use it. This is expected to produce a non-fatal error.
TEST_P(SRGBFramebufferTest, NegativeLifetimeTracking)
{ … }

// Test that glBlitFramebuffer correctly converts colorspaces
TEST_P(SRGBFramebufferTestES3, BlitFramebuffer)
{ … }

// This test reproduces an issue in the Vulkan backend found in the Chromium CI that
// was caused by enabling the VK_KHR_image_format_list extension on SwiftShader
// which exposed GL_EXT_sRGB_write_control.
TEST_P(SRGBFramebufferTest, DrawToSmallFBOClearLargeFBO)
{ … }

// Use this to select which configurations (e.g. which renderer, which GLES major version) these
// tests should be run against.
ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(…);
ANGLE_INSTANTIATE_TEST_ES3(…);

}  // namespace angle