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

//
// Copyright 2018 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.
//

// BPTCCompressedTextureTest.cpp: Tests of the GL_EXT_texture_compression_bptc extension

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

usingnamespaceangle;

namespace
{

const unsigned int kPixelTolerance = …;

// The pixel data represents a 4x4 pixel image with the left side colored red and the right side
// green. It was BC7 encoded using Microsoft's BC6HBC7Encoder.
const std::array<GLubyte, 16> kBC7Data4x4 = …;

// The pixel data represents a 4x4 pixel image with the transparent black solid color.
// Sampling from a zero-filled block is undefined, so use a valid one.
const std::array<GLubyte, 16> kBC7BlackData4x4 = …;
}  // anonymous namespace

class BPTCCompressedTextureTest : public ANGLETest<>
{ … };

class BPTCCompressedTextureTestES3 : public BPTCCompressedTextureTest
{ … };

// Test sampling from a BC7 non-SRGB image.
TEST_P(BPTCCompressedTextureTest, CompressedTexImageBC7)
{ … }

// Test sampling from a BC7 SRGB image.
TEST_P(BPTCCompressedTextureTest, CompressedTexImageBC7SRGB)
{ … }

// Test that using the BC6H floating point formats doesn't crash.
TEST_P(BPTCCompressedTextureTest, CompressedTexImageBC6HNoCrash)
{ … }

// Test texStorage2D with a BPTC format.
TEST_P(BPTCCompressedTextureTestES3, CompressedTexStorage)
{ … }

// Test validation of glCompressedTexSubImage2D with BPTC formats
TEST_P(BPTCCompressedTextureTest, CompressedTexSubImageValidation)
{ … }

// Test that copying BPTC textures is not allowed. This restriction exists only in
// EXT_texture_compression_bptc, and not in the ARB variant.
TEST_P(BPTCCompressedTextureTest, CopyTexImage2DDisallowed)
{ … }

// Test that copying BPTC textures is not allowed. This restriction exists only in
// EXT_texture_compression_bptc, and not in the ARB variant.
TEST_P(BPTCCompressedTextureTest, CopyTexSubImage2DDisallowed)
{ … }

// Test that copying BPTC textures is not allowed. This restriction exists only in
// EXT_texture_compression_bptc, and not in the ARB variant.
TEST_P(BPTCCompressedTextureTestES3, CopyTexSubImage3DDisallowed)
{ … }

// Test uploading texture data from a PBO to a texture.
TEST_P(BPTCCompressedTextureTestES3, PBOCompressedTexImage)
{ … }

// Test uploading texture data from a PBO to a non-zero base texture.
TEST_P(BPTCCompressedTextureTestES3, PBOCompressedTexImageNonZeroBase)
{ … }

// Test uploading texture data from a PBO to a texture allocated with texStorage2D.
TEST_P(BPTCCompressedTextureTestES3, PBOCompressedTexStorage)
{ … }

// Test validation of glCompressedTexSubImage3D with BPTC formats
TEST_P(BPTCCompressedTextureTestES3, CompressedTexSubImage3DValidation)
{ … }

// 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(…);

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(…);
ANGLE_INSTANTIATE_TEST_ES3(…);