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

//
// Copyright 2023 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.
//
// Test cases for GL_EXT_clip_control
// These tests complement dEQP-GLES2.functional.clip_control.*
//

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

usingnamespaceangle;

class ClipControlTest : public ANGLETest<>
{ … };

// Test state queries and updates
TEST_P(ClipControlTest, StateQuery)
{ … }

// Test that clip origin does not affect scissored clears
TEST_P(ClipControlTest, OriginScissorClear)
{ … }

// Test that changing clip origin state does not affect location of scissor area
TEST_P(ClipControlTest, OriginScissorDraw)
{ … }

// Test that changing clip origin state does not affect copyTexImage
TEST_P(ClipControlTest, OriginCopyTexImage)
{ … }

// Test that changing clip origin state does not affect copyTexImage
// with Luma format that may use draw calls internally
TEST_P(ClipControlTest, OriginCopyTexImageLuma)
{ … }

// Test that clip origin does not affect gl_FragCoord
TEST_P(ClipControlTest, OriginFragCoord)
{ … }

// Test that clip origin does not affect gl_PointCoord
TEST_P(ClipControlTest, OriginPointCoord)
{ … }

// Test that clip origin does not affect gl_FrontFacing
TEST_P(ClipControlTest, OriginFrontFacing)
{ … }

// Test that clip origin does not affect readPixels
TEST_P(ClipControlTest, OriginReadPixels)
{ … }

// Test that changing only the clip depth mode syncs the state correctly
TEST_P(ClipControlTest, DepthModeSimple)
{ … }

// Test that gl_FragCoord.z has expected values for ZERO_TO_ONE clip depth mode
TEST_P(ClipControlTest, DepthFragCoord)
{ … }

class ClipControlTestES3 : public ClipControlTest
{ … };

// Test that clip origin state does not affect framebuffer blits
TEST_P(ClipControlTestES3, OriginBlit)
{ … }

ANGLE_INSTANTIATE_TEST_ES2_AND_ES3_AND(…);
ANGLE_INSTANTIATE_TEST_ES3_AND(…);