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

//
// Copyright 2015 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.
//
// Texture upload format tests:
//   Test all texture unpack/upload formats for sampling correctness.
//

#include "common/mathutil.h"
#include "image_util/copyimage.h"
#include "test_utils/ANGLETest.h"
#include "test_utils/gl_raii.h"

usingnamespaceangle;

namespace
{

class TextureUploadFormatTest : public ANGLETest<>
{ … };

struct TexFormat final
{ … };

template <const uint8_t bits>
constexpr uint32_t EncodeNormUint(const float val)
{ … }

}  // anonymous namespace

namespace
{

template <typename DestT, typename SrcT, size_t SrcN>
void ZeroAndCopy(DestT &dest, const SrcT (&src)[SrcN])
{ … }

std::string EnumStr(const GLenum v)
{ … }

template <typename ColorT, typename DestT>
void EncodeThenZeroAndCopy(DestT &dest, const float srcVals[4])
{ … }
}  // anonymous namespace

// Upload (1,2,5,3) to integer formats, and (1,2,5,3)/8.0 to float formats.
// Draw a point into a 1x1 renderbuffer and readback the result for comparison with expectations.
// Test all internalFormat/unpackFormat/unpackType combinations from ES3.0.
TEST_P(TextureUploadFormatTest, All)
{ … }

ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(…);