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magnum/src/Magnum/GL/Test/PixelFormatTest.cpp

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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <sstream>
#include <Corrade/TestSuite/Tester.h>
#include <Corrade/Utility/DebugStl.h>
#include "Magnum/PixelFormat.h"
#include "Magnum/GL/PixelFormat.h"
#include "Magnum/GL/TextureFormat.h"
namespace Magnum { namespace GL { namespace Test { namespace {
/* Tests also TextureFormat-related utilities, since the mapping tables are
shared between these two */
struct PixelFormatTest: TestSuite::Tester {
explicit PixelFormatTest();
void mapFormatTypeTextureFormat();
void mapFormatImplementationSpecific();
void mapFormatUnsupported();
void mapFormatInvalid();
void mapTypeImplementationSpecific();
void mapTypeImplementationSpecificZero();
void mapTypeUnsupported();
void mapTypeInvalid();
void mapTextureFormatImplementationSpecific();
void mapTextureFormatUnsupported();
void mapTextureFormatInvalid();
void size();
void sizeInvalid();
void mapCompressedFormatTextureFormat();
void mapCompressedFormatImplementationSpecific();
void mapCompressedFormatUnsupported();
void mapCompressedFormatInvalid();
void mapCompressedTextureFormatImplementationSpecific();
void mapCompressedTextureFormatUnsupported();
void mapCompressedTextureFormatInvalid();
void debugPixelFormat();
void debugPixelType();
void debugCompressedPixelFormat();
void debugTextureFormat();
};
PixelFormatTest::PixelFormatTest() {
addTests({&PixelFormatTest::mapFormatTypeTextureFormat,
&PixelFormatTest::mapFormatImplementationSpecific,
&PixelFormatTest::mapFormatUnsupported,
&PixelFormatTest::mapFormatInvalid,
&PixelFormatTest::mapTypeImplementationSpecific,
&PixelFormatTest::mapTypeImplementationSpecificZero,
&PixelFormatTest::mapTypeUnsupported,
&PixelFormatTest::mapTypeInvalid,
&PixelFormatTest::mapTextureFormatImplementationSpecific,
&PixelFormatTest::mapTextureFormatUnsupported,
&PixelFormatTest::mapTextureFormatInvalid,
&PixelFormatTest::size,
&PixelFormatTest::sizeInvalid,
&PixelFormatTest::mapCompressedFormatTextureFormat,
&PixelFormatTest::mapCompressedFormatImplementationSpecific,
&PixelFormatTest::mapCompressedFormatUnsupported,
&PixelFormatTest::mapCompressedFormatInvalid,
&PixelFormatTest::mapCompressedTextureFormatImplementationSpecific,
&PixelFormatTest::mapCompressedTextureFormatUnsupported,
&PixelFormatTest::mapCompressedTextureFormatInvalid,
&PixelFormatTest::debugPixelFormat,
&PixelFormatTest::debugPixelType,
&PixelFormatTest::debugCompressedPixelFormat,
&PixelFormatTest::debugTextureFormat});
}
void PixelFormatTest::mapFormatTypeTextureFormat() {
/* Touchstone verification */
CORRADE_VERIFY(hasPixelFormat(Magnum::PixelFormat::RGBA8Unorm));
CORRADE_COMPARE(pixelFormat(Magnum::PixelFormat::RGBA8Unorm), PixelFormat::RGBA);
CORRADE_COMPARE(pixelType(Magnum::PixelFormat::RGBA8Unorm), PixelType::UnsignedByte);
#ifndef MAGNUM_TARGET_GLES2
CORRADE_VERIFY(hasTextureFormat(Magnum::PixelFormat::RGBA8Unorm));
CORRADE_COMPARE(textureFormat(Magnum::PixelFormat::RGBA8Unorm), TextureFormat::RGBA8);
#else
CORRADE_VERIFY(!hasTextureFormat(Magnum::PixelFormat::RGBA8Unorm));
#endif
/* This goes through the first 16 bits, which should be enough. Going
through 32 bits takes 8 seconds, too much. */
UnsignedInt firstUnhandled = 0xffff;
UnsignedInt nextHandled = 1; /* 0 is an invalid format */
for(UnsignedInt i = 1; i <= 0xffff; ++i) {
const auto format = Magnum::PixelFormat(i);
/* Each case verifies:
- that the entries are ordered by number by comparing a function to
expected result (so insertion here is done in proper place)
- that there was no gap (unhandled value inside the range)
- that a particular pixel format maps to a particular GL format
- that a particular pixel type maps to a particular GL type */
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic error "-Wswitch"
#endif
switch(format) {
#define _c(format, expectedFormat, expectedType, expectedTextureFormat) \
case Magnum::PixelFormat::format: \
CORRADE_COMPARE(nextHandled, i); \
CORRADE_COMPARE(firstUnhandled, 0xffff); \
CORRADE_VERIFY(hasPixelFormat(Magnum::PixelFormat::format)); \
CORRADE_COMPARE(pixelFormat(Magnum::PixelFormat::format), Magnum::GL::PixelFormat::expectedFormat); \
CORRADE_COMPARE(pixelType(Magnum::PixelFormat::format), Magnum::GL::PixelType::expectedType); \
CORRADE_VERIFY(hasTextureFormat(Magnum::PixelFormat::format)); \
CORRADE_COMPARE(textureFormat(Magnum::PixelFormat::format), Magnum::GL::TextureFormat::expectedTextureFormat); \
++nextHandled; \
continue;
#define _n(format, expectedFormat, expectedType) \
case Magnum::PixelFormat::format: { \
CORRADE_COMPARE(nextHandled, i); \
CORRADE_COMPARE(firstUnhandled, 0xffff); \
CORRADE_VERIFY(hasPixelFormat(Magnum::PixelFormat::format)); \
CORRADE_COMPARE(pixelFormat(Magnum::PixelFormat::format), Magnum::GL::PixelFormat::expectedFormat); \
CORRADE_COMPARE(pixelType(Magnum::PixelFormat::format), Magnum::GL::PixelType::expectedType); \
CORRADE_VERIFY(!hasTextureFormat(Magnum::PixelFormat::format)); \
std::ostringstream out; \
{ /* Redirected otherwise graceful assert would abort */ \
Error redirectError{&out}; \
textureFormat(Magnum::PixelFormat::format); \
} \
Debug{Debug::Flag::NoNewlineAtTheEnd} << out.str(); \
++nextHandled; \
continue; \
}
#define _s(format) \
case Magnum::PixelFormat::format: { \
CORRADE_COMPARE(nextHandled, i); \
CORRADE_COMPARE(firstUnhandled, 0xffff); \
CORRADE_VERIFY(!hasPixelFormat(Magnum::PixelFormat::format)); \
CORRADE_VERIFY(!hasTextureFormat(Magnum::PixelFormat::format)); \
std::ostringstream out; \
{ /* Redirected otherwise graceful assert would abort */ \
Error redirectError{&out}; \
pixelFormat(Magnum::PixelFormat::format); \
pixelType(Magnum::PixelFormat::format); \
textureFormat(Magnum::PixelFormat::format); \
} \
Debug{Debug::Flag::NoNewlineAtTheEnd} << out.str(); \
++nextHandled; \
continue; \
}
#include "Magnum/GL/Implementation/pixelFormatMapping.hpp"
#undef _s
#undef _n
#undef _c
}
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
/* Not handled by any value, remember -- we might either be at the end
of the enum range (which is okay) or some value might be unhandled
here */
firstUnhandled = i;
}
CORRADE_COMPARE(firstUnhandled, 0xffff);
}
void PixelFormatTest::mapFormatImplementationSpecific() {
CORRADE_VERIFY(hasPixelFormat(Magnum::pixelFormatWrap(PixelFormat::RGBA)));
CORRADE_COMPARE(pixelFormat(Magnum::pixelFormatWrap(PixelFormat::RGBA)),
PixelFormat::RGBA);
}
void PixelFormatTest::mapFormatUnsupported() {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_SKIP("All pixel formats are supported on ES3+.");
#else
std::ostringstream out;
Error redirectError{&out};
CORRADE_VERIFY(!hasPixelFormat(Magnum::PixelFormat::RGB16UI));
pixelFormat(Magnum::PixelFormat::RGB16UI);
CORRADE_COMPARE(out.str(), "GL::pixelFormat(): format PixelFormat::RGB16UI is not supported on this target\n");
#endif
}
void PixelFormatTest::mapFormatInvalid() {
std::ostringstream out;
Error redirectError{&out};
hasPixelFormat(Magnum::PixelFormat{});
hasPixelFormat(Magnum::PixelFormat(0x123));
pixelFormat(Magnum::PixelFormat{});
pixelFormat(Magnum::PixelFormat(0x123));
CORRADE_COMPARE(out.str(),
"GL::hasPixelFormat(): invalid format PixelFormat(0x0)\n"
"GL::hasPixelFormat(): invalid format PixelFormat(0x123)\n"
"GL::pixelFormat(): invalid format PixelFormat(0x0)\n"
"GL::pixelFormat(): invalid format PixelFormat(0x123)\n");
}
void PixelFormatTest::mapTypeImplementationSpecific() {
CORRADE_COMPARE(pixelType(Magnum::pixelFormatWrap(PixelFormat::RGBA), GL_UNSIGNED_BYTE),
PixelType::UnsignedByte);
}
void PixelFormatTest::mapTypeImplementationSpecificZero() {
std::ostringstream out;
Error redirectError{&out};
pixelType(Magnum::pixelFormatWrap(PixelFormat::RGBA));
CORRADE_COMPARE(out.str(), "GL::pixelType(): format is implementation-specific, but no additional type specifier was passed\n");
}
void PixelFormatTest::mapTypeUnsupported() {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_SKIP("All pixel formats are supported on ES3+.");
#else
CORRADE_VERIFY(!hasPixelFormat(Magnum::PixelFormat::RGBA16UI));
std::ostringstream out;
Error redirectError{&out};
pixelType(Magnum::PixelFormat::RGB16UI);
CORRADE_COMPARE(out.str(), "GL::pixelType(): format PixelFormat::RGB16UI is not supported on this target\n");
#endif
}
void PixelFormatTest::mapTypeInvalid() {
std::ostringstream out;
Error redirectError{&out};
pixelType(Magnum::PixelFormat{});
pixelType(Magnum::PixelFormat(0x123));
CORRADE_COMPARE(out.str(),
"GL::pixelType(): invalid format PixelFormat(0x0)\n"
"GL::pixelType(): invalid format PixelFormat(0x123)\n");
}
void PixelFormatTest::mapTextureFormatImplementationSpecific() {
std::ostringstream out;
Error redirectError{&out};
hasTextureFormat(Magnum::pixelFormatWrap(PixelFormat::RGBA));
textureFormat(Magnum::pixelFormatWrap(PixelFormat::RGBA));
CORRADE_COMPARE(out.str(),
"GL::hasTextureFormat(): cannot map an implementation-specific pixel format to an OpenGL texture format\n"
"GL::textureFormat(): cannot map an implementation-specific pixel format to an OpenGL texture format\n");
}
void PixelFormatTest::mapTextureFormatUnsupported() {
#if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_GLES2)
CORRADE_SKIP("All pixel formats are supported on ES3+.");
#elif defined(MAGNUM_TARGET_GLES2)
std::ostringstream out;
Error redirectError{&out};
textureFormat(Magnum::PixelFormat::RGB8Unorm);
CORRADE_COMPARE(out.str(), "GL::textureFormat(): format PixelFormat::RGB8Unorm is not supported on this target\n");
#else
std::ostringstream out;
Error redirectError{&out};
textureFormat(Magnum::PixelFormat::RG8Srgb);
CORRADE_COMPARE(out.str(), "GL::textureFormat(): format PixelFormat::RG8Srgb is not supported on this target\n");
#endif
}
void PixelFormatTest::mapTextureFormatInvalid() {
std::ostringstream out;
Error redirectError{&out};
hasTextureFormat(Magnum::PixelFormat{});
hasTextureFormat(Magnum::PixelFormat(0x123));
textureFormat(Magnum::PixelFormat{});
textureFormat(Magnum::PixelFormat(0x123));
CORRADE_COMPARE(out.str(),
"GL::hasTextureFormat(): invalid format PixelFormat(0x0)\n"
"GL::hasTextureFormat(): invalid format PixelFormat(0x123)\n"
"GL::textureFormat(): invalid format PixelFormat(0x0)\n"
"GL::textureFormat(): invalid format PixelFormat(0x123)\n");
}
void PixelFormatTest::size() {
#ifndef MAGNUM_TARGET_GLES
CORRADE_COMPARE(pixelSize(PixelFormat::RGB, PixelType::UnsignedByte332), 1);
#endif
#ifndef MAGNUM_TARGET_WEBGL
CORRADE_COMPARE(pixelSize(PixelFormat::StencilIndex, PixelType::UnsignedByte), 1);
#endif
CORRADE_COMPARE(pixelSize(PixelFormat::DepthComponent, PixelType::UnsignedShort), 2);
CORRADE_COMPARE(pixelSize(PixelFormat::RGBA, PixelType::UnsignedShort4444), 2);
CORRADE_COMPARE(pixelSize(PixelFormat::DepthStencil, PixelType::UnsignedInt248), 4);
CORRADE_COMPARE(pixelSize(PixelFormat::RGBA, PixelType::UnsignedInt), 4*4);
#ifndef MAGNUM_TARGET_GLES2
CORRADE_COMPARE(pixelSize(PixelFormat::DepthStencil, PixelType::Float32UnsignedInt248Rev), 8);
#endif
}
void PixelFormatTest::sizeInvalid() {
std::ostringstream out;
Error redirectError{&out};
pixelSize(PixelFormat::DepthStencil, PixelType::Float);
CORRADE_COMPARE(out.str(), "GL::pixelSize(): invalid GL::PixelType::Float specified for GL::PixelFormat::DepthStencil\n");
}
void PixelFormatTest::mapCompressedFormatTextureFormat() {
/* Touchstone verification */
CORRADE_VERIFY(hasCompressedPixelFormat(Magnum::CompressedPixelFormat::Bc1RGBAUnorm));
CORRADE_COMPARE(compressedPixelFormat(Magnum::CompressedPixelFormat::Bc1RGBAUnorm), CompressedPixelFormat::RGBAS3tcDxt1);
CORRADE_VERIFY(hasTextureFormat(Magnum::CompressedPixelFormat::Astc8x8RGBASrgb));
CORRADE_COMPARE(textureFormat(Magnum::CompressedPixelFormat::Astc8x8RGBASrgb), TextureFormat::CompressedSRGB8Alpha8Astc8x8);
/* This goes through the first 16 bits, which should be enough. Going
through 32 bits takes 8 seconds, too much. */
UnsignedInt firstUnhandled = 0xffff;
UnsignedInt nextHandled = 1; /* 0 is an invalid format */
for(UnsignedInt i = 1; i <= 0xffff; ++i) {
const auto format = Magnum::CompressedPixelFormat(i);
/* Each case verifies:
- that the entries are ordered by number by comparing a function to
expected result (so insertion here is done in proper place)
- that there was no gap (unhandled value inside the range)
- that a particular pixel format maps to a particular GL format
- that a particular pixel type maps to a particular GL type */
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic error "-Wswitch"
#endif
switch(format) {
#define _c(format, expectedFormat) \
case Magnum::CompressedPixelFormat::format: \
CORRADE_COMPARE(nextHandled, i); \
CORRADE_COMPARE(firstUnhandled, 0xffff); \
CORRADE_VERIFY(hasCompressedPixelFormat(Magnum::CompressedPixelFormat::format)); \
CORRADE_VERIFY(hasTextureFormat(Magnum::CompressedPixelFormat::format)); \
CORRADE_COMPARE(compressedPixelFormat(Magnum::CompressedPixelFormat::format), Magnum::GL::CompressedPixelFormat::expectedFormat); \
CORRADE_COMPARE(textureFormat(Magnum::CompressedPixelFormat::format), Magnum::GL::TextureFormat::Compressed ## expectedFormat); \
++nextHandled; \
continue;
#define _s(format) \
case Magnum::CompressedPixelFormat::format: { \
CORRADE_COMPARE(nextHandled, i); \
CORRADE_COMPARE(firstUnhandled, 0xffff); \
CORRADE_VERIFY(!hasCompressedPixelFormat(Magnum::CompressedPixelFormat::format)); \
CORRADE_VERIFY(!hasTextureFormat(Magnum::CompressedPixelFormat::format)); \
std::ostringstream out; \
{ /* Redirected otherwise graceful assert would abort */ \
Error redirectError{&out}; \
compressedPixelFormat(Magnum::CompressedPixelFormat::format); \
textureFormat(Magnum::CompressedPixelFormat::format); \
} \
Debug{Debug::Flag::NoNewlineAtTheEnd} << out.str(); \
++nextHandled; \
continue; \
}
#include "Magnum/GL/Implementation/compressedPixelFormatMapping.hpp"
#undef _s
#undef _c
}
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
/* Not handled by any value, remember -- we might either be at the end
of the enum range (which is okay) or some value might be unhandled
here */
firstUnhandled = i;
}
CORRADE_COMPARE(firstUnhandled, 0xffff);
}
void PixelFormatTest::mapCompressedFormatImplementationSpecific() {
CORRADE_VERIFY(hasCompressedPixelFormat(Magnum::compressedPixelFormatWrap(CompressedPixelFormat::RGBAS3tcDxt1)));
CORRADE_COMPARE(compressedPixelFormat(Magnum::compressedPixelFormatWrap(CompressedPixelFormat::RGBAS3tcDxt1)),
CompressedPixelFormat::RGBAS3tcDxt1);
}
void PixelFormatTest::mapCompressedFormatUnsupported() {
#ifdef MAGNUM_TARGET_GLES2
CORRADE_VERIFY(!hasCompressedPixelFormat(Magnum::CompressedPixelFormat::Etc2RGB8Unorm));
std::ostringstream out;
Error redirectError{&out};
compressedPixelFormat(Magnum::CompressedPixelFormat::Etc2RGB8Unorm);
CORRADE_COMPARE(out.str(), "GL::compressedPixelFormat(): format CompressedPixelFormat::Etc2RGB8Unorm is not supported on this target\n");
#elif !defined(MAGNUM_TARGET_GLES)
CORRADE_VERIFY(!hasCompressedPixelFormat(Magnum::CompressedPixelFormat::PvrtcRGB2bppUnorm));
std::ostringstream out;
Error redirectError{&out};
compressedPixelFormat(Magnum::CompressedPixelFormat::PvrtcRGB2bppUnorm);
CORRADE_COMPARE(out.str(), "GL::compressedPixelFormat(): format CompressedPixelFormat::PvrtcRGB2bppUnorm is not supported on this target\n");
#else
CORRADE_SKIP("All compressed pixel formats are supported on ES3.");
#endif
}
void PixelFormatTest::mapCompressedFormatInvalid() {
std::ostringstream out;
Error redirectError{&out};
hasCompressedPixelFormat(Magnum::CompressedPixelFormat{});
hasCompressedPixelFormat(Magnum::CompressedPixelFormat(0x123));
compressedPixelFormat(Magnum::CompressedPixelFormat{});
compressedPixelFormat(Magnum::CompressedPixelFormat(0x123));
CORRADE_COMPARE(out.str(),
"GL::hasCompressedPixelFormat(): invalid format CompressedPixelFormat(0x0)\n"
"GL::hasCompressedPixelFormat(): invalid format CompressedPixelFormat(0x123)\n"
"GL::compressedPixelFormat(): invalid format CompressedPixelFormat(0x0)\n"
"GL::compressedPixelFormat(): invalid format CompressedPixelFormat(0x123)\n");
}
void PixelFormatTest::mapCompressedTextureFormatImplementationSpecific() {
CORRADE_VERIFY(hasTextureFormat(Magnum::compressedPixelFormatWrap(CompressedPixelFormat::RGBAS3tcDxt1)));
CORRADE_COMPARE(textureFormat(Magnum::compressedPixelFormatWrap(CompressedPixelFormat::RGBAS3tcDxt1)),
TextureFormat::CompressedRGBAS3tcDxt1);
}
void PixelFormatTest::mapCompressedTextureFormatUnsupported() {
#ifdef MAGNUM_TARGET_GLES2
CORRADE_VERIFY(!hasTextureFormat(Magnum::CompressedPixelFormat::Etc2RGB8Unorm));
std::ostringstream out;
Error redirectError{&out};
textureFormat(Magnum::CompressedPixelFormat::Etc2RGB8Unorm);
CORRADE_COMPARE(out.str(), "GL::textureFormat(): format CompressedPixelFormat::Etc2RGB8Unorm is not supported on this target\n");
#elif !defined(MAGNUM_TARGET_GLES)
CORRADE_VERIFY(!hasTextureFormat(Magnum::CompressedPixelFormat::PvrtcRGB2bppUnorm));
std::ostringstream out;
Error redirectError{&out};
textureFormat(Magnum::CompressedPixelFormat::PvrtcRGB2bppUnorm);
CORRADE_COMPARE(out.str(), "GL::textureFormat(): format CompressedPixelFormat::PvrtcRGB2bppUnorm is not supported on this target\n");
#else
CORRADE_SKIP("All compressed pixel formats are supported on ES3.");
#endif
}
void PixelFormatTest::mapCompressedTextureFormatInvalid() {
std::ostringstream out;
Error redirectError{&out};
hasTextureFormat(Magnum::CompressedPixelFormat{});
hasTextureFormat(Magnum::CompressedPixelFormat(0x123));
textureFormat(Magnum::CompressedPixelFormat{});
textureFormat(Magnum::CompressedPixelFormat(0x123));
CORRADE_COMPARE(out.str(),
"GL::hasTextureFormat(): invalid format CompressedPixelFormat(0x0)\n"
"GL::hasTextureFormat(): invalid format CompressedPixelFormat(0x123)\n"
"GL::textureFormat(): invalid format CompressedPixelFormat(0x0)\n"
"GL::textureFormat(): invalid format CompressedPixelFormat(0x123)\n");
}
void PixelFormatTest::debugPixelFormat() {
std::ostringstream out;
Debug(&out) << PixelFormat::RGBA << PixelFormat(0xdead);
CORRADE_COMPARE(out.str(), "GL::PixelFormat::RGBA GL::PixelFormat(0xdead)\n");
}
void PixelFormatTest::debugPixelType() {
std::ostringstream out;
Debug(&out) << PixelType::UnsignedByte << PixelType(0xdead);
CORRADE_COMPARE(out.str(), "GL::PixelType::UnsignedByte GL::PixelType(0xdead)\n");
}
void PixelFormatTest::debugCompressedPixelFormat() {
std::ostringstream out;
Debug{&out} << CompressedPixelFormat::RGBS3tcDxt1 << CompressedPixelFormat(0xdead);
CORRADE_COMPARE(out.str(), "GL::CompressedPixelFormat::RGBS3tcDxt1 GL::CompressedPixelFormat(0xdead)\n");
}
void PixelFormatTest::debugTextureFormat() {
std::ostringstream out;
Debug(&out) << TextureFormat::DepthComponent << TextureFormat(0xdead);
CORRADE_COMPARE(out.str(), "GL::TextureFormat::DepthComponent GL::TextureFormat(0xdead)\n");
}
}}}}
CORRADE_TEST_MAIN(Magnum::GL::Test::PixelFormatTest)