mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
388 lines
14 KiB
388 lines
14 KiB
/* |
|
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 "VertexFormat.h" |
|
|
|
#include <string> |
|
#include <Corrade/Containers/ArrayView.h> |
|
#include <Corrade/Utility/Assert.h> |
|
#include <Corrade/Utility/Debug.h> |
|
|
|
namespace Magnum { |
|
|
|
UnsignedInt vertexFormatSize(const VertexFormat format) { |
|
switch(format) { |
|
case VertexFormat::UnsignedByte: |
|
case VertexFormat::UnsignedByteNormalized: |
|
case VertexFormat::Byte: |
|
case VertexFormat::ByteNormalized: |
|
return 1; |
|
case VertexFormat::Half: |
|
case VertexFormat::UnsignedShort: |
|
case VertexFormat::UnsignedShortNormalized: |
|
case VertexFormat::Short: |
|
case VertexFormat::ShortNormalized: |
|
case VertexFormat::Vector2ub: |
|
case VertexFormat::Vector2ubNormalized: |
|
case VertexFormat::Vector2b: |
|
case VertexFormat::Vector2bNormalized: |
|
return 2; |
|
case VertexFormat::Vector3ub: |
|
case VertexFormat::Vector3ubNormalized: |
|
case VertexFormat::Vector3b: |
|
case VertexFormat::Vector3bNormalized: |
|
return 3; |
|
case VertexFormat::Float: |
|
case VertexFormat::UnsignedInt: |
|
case VertexFormat::Int: |
|
case VertexFormat::Vector2h: |
|
case VertexFormat::Vector2us: |
|
case VertexFormat::Vector2usNormalized: |
|
case VertexFormat::Vector2s: |
|
case VertexFormat::Vector2sNormalized: |
|
case VertexFormat::Vector4ub: |
|
case VertexFormat::Vector4ubNormalized: |
|
case VertexFormat::Vector4b: |
|
case VertexFormat::Vector4bNormalized: |
|
return 4; |
|
case VertexFormat::Vector3h: |
|
case VertexFormat::Vector3us: |
|
case VertexFormat::Vector3usNormalized: |
|
case VertexFormat::Vector3s: |
|
case VertexFormat::Vector3sNormalized: |
|
return 6; |
|
case VertexFormat::Double: |
|
case VertexFormat::Vector2: |
|
case VertexFormat::Vector2ui: |
|
case VertexFormat::Vector2i: |
|
case VertexFormat::Vector4h: |
|
case VertexFormat::Vector4us: |
|
case VertexFormat::Vector4usNormalized: |
|
case VertexFormat::Vector4s: |
|
case VertexFormat::Vector4sNormalized: |
|
return 8; |
|
case VertexFormat::Vector3: |
|
case VertexFormat::Vector3ui: |
|
case VertexFormat::Vector3i: |
|
return 12; |
|
case VertexFormat::Vector2d: |
|
case VertexFormat::Vector4: |
|
case VertexFormat::Vector4ui: |
|
case VertexFormat::Vector4i: |
|
return 16; |
|
case VertexFormat::Vector3d: |
|
return 24; |
|
case VertexFormat::Vector4d: |
|
return 32; |
|
} |
|
|
|
CORRADE_ASSERT(false, "vertexFormatSize(): invalid format" << format, {}); |
|
} |
|
|
|
UnsignedInt vertexFormatComponentCount(const VertexFormat format) { |
|
switch(format) { |
|
case VertexFormat::Float: |
|
case VertexFormat::Half: |
|
case VertexFormat::Double: |
|
case VertexFormat::UnsignedByte: |
|
case VertexFormat::UnsignedByteNormalized: |
|
case VertexFormat::Byte: |
|
case VertexFormat::ByteNormalized: |
|
case VertexFormat::UnsignedShort: |
|
case VertexFormat::UnsignedShortNormalized: |
|
case VertexFormat::Short: |
|
case VertexFormat::ShortNormalized: |
|
case VertexFormat::UnsignedInt: |
|
case VertexFormat::Int: |
|
return 1; |
|
|
|
case VertexFormat::Vector2: |
|
case VertexFormat::Vector2h: |
|
case VertexFormat::Vector2d: |
|
case VertexFormat::Vector2ub: |
|
case VertexFormat::Vector2ubNormalized: |
|
case VertexFormat::Vector2b: |
|
case VertexFormat::Vector2bNormalized: |
|
case VertexFormat::Vector2us: |
|
case VertexFormat::Vector2usNormalized: |
|
case VertexFormat::Vector2s: |
|
case VertexFormat::Vector2sNormalized: |
|
case VertexFormat::Vector2ui: |
|
case VertexFormat::Vector2i: |
|
return 2; |
|
|
|
case VertexFormat::Vector3: |
|
case VertexFormat::Vector3h: |
|
case VertexFormat::Vector3d: |
|
case VertexFormat::Vector3ub: |
|
case VertexFormat::Vector3ubNormalized: |
|
case VertexFormat::Vector3b: |
|
case VertexFormat::Vector3bNormalized: |
|
case VertexFormat::Vector3us: |
|
case VertexFormat::Vector3usNormalized: |
|
case VertexFormat::Vector3s: |
|
case VertexFormat::Vector3sNormalized: |
|
case VertexFormat::Vector3ui: |
|
case VertexFormat::Vector3i: |
|
return 3; |
|
|
|
case VertexFormat::Vector4: |
|
case VertexFormat::Vector4h: |
|
case VertexFormat::Vector4d: |
|
case VertexFormat::Vector4ub: |
|
case VertexFormat::Vector4ubNormalized: |
|
case VertexFormat::Vector4b: |
|
case VertexFormat::Vector4bNormalized: |
|
case VertexFormat::Vector4us: |
|
case VertexFormat::Vector4usNormalized: |
|
case VertexFormat::Vector4s: |
|
case VertexFormat::Vector4sNormalized: |
|
case VertexFormat::Vector4ui: |
|
case VertexFormat::Vector4i: |
|
return 4; |
|
} |
|
|
|
CORRADE_ASSERT(false, "vertexFormatComponentCount(): invalid format" << format, {}); |
|
} |
|
|
|
VertexFormat vertexFormatComponentFormat(const VertexFormat format) { |
|
switch(format) { |
|
case VertexFormat::Float: |
|
case VertexFormat::Vector2: |
|
case VertexFormat::Vector3: |
|
case VertexFormat::Vector4: |
|
return VertexFormat::Float; |
|
|
|
case VertexFormat::Half: |
|
case VertexFormat::Vector2h: |
|
case VertexFormat::Vector3h: |
|
case VertexFormat::Vector4h: |
|
return VertexFormat::Half; |
|
|
|
case VertexFormat::Double: |
|
case VertexFormat::Vector2d: |
|
case VertexFormat::Vector3d: |
|
case VertexFormat::Vector4d: |
|
return VertexFormat::Double; |
|
|
|
case VertexFormat::UnsignedByte: |
|
case VertexFormat::UnsignedByteNormalized: |
|
case VertexFormat::Vector2ub: |
|
case VertexFormat::Vector2ubNormalized: |
|
case VertexFormat::Vector3ub: |
|
case VertexFormat::Vector3ubNormalized: |
|
case VertexFormat::Vector4ub: |
|
case VertexFormat::Vector4ubNormalized: |
|
return VertexFormat::UnsignedByte; |
|
|
|
case VertexFormat::Byte: |
|
case VertexFormat::ByteNormalized: |
|
case VertexFormat::Vector2b: |
|
case VertexFormat::Vector2bNormalized: |
|
case VertexFormat::Vector3b: |
|
case VertexFormat::Vector3bNormalized: |
|
case VertexFormat::Vector4b: |
|
case VertexFormat::Vector4bNormalized: |
|
return VertexFormat::Byte; |
|
|
|
case VertexFormat::UnsignedShort: |
|
case VertexFormat::UnsignedShortNormalized: |
|
case VertexFormat::Vector2us: |
|
case VertexFormat::Vector2usNormalized: |
|
case VertexFormat::Vector3us: |
|
case VertexFormat::Vector3usNormalized: |
|
case VertexFormat::Vector4us: |
|
case VertexFormat::Vector4usNormalized: |
|
return VertexFormat::UnsignedShort; |
|
|
|
case VertexFormat::Short: |
|
case VertexFormat::ShortNormalized: |
|
case VertexFormat::Vector2s: |
|
case VertexFormat::Vector2sNormalized: |
|
case VertexFormat::Vector3s: |
|
case VertexFormat::Vector3sNormalized: |
|
case VertexFormat::Vector4s: |
|
case VertexFormat::Vector4sNormalized: |
|
return VertexFormat::Short; |
|
|
|
case VertexFormat::UnsignedInt: |
|
case VertexFormat::Vector2ui: |
|
case VertexFormat::Vector3ui: |
|
case VertexFormat::Vector4ui: |
|
return VertexFormat::UnsignedInt; |
|
|
|
case VertexFormat::Int: |
|
case VertexFormat::Vector2i: |
|
case VertexFormat::Vector3i: |
|
case VertexFormat::Vector4i: |
|
return VertexFormat::Int; |
|
} |
|
|
|
CORRADE_ASSERT(false, "vertexFormatComponentType(): invalid format" << format, {}); |
|
} |
|
|
|
bool isVertexFormatNormalized(const VertexFormat format) { |
|
switch(format) { |
|
case VertexFormat::Float: |
|
case VertexFormat::Half: |
|
case VertexFormat::Double: |
|
case VertexFormat::UnsignedByte: |
|
case VertexFormat::Byte: |
|
case VertexFormat::UnsignedShort: |
|
case VertexFormat::Short: |
|
case VertexFormat::UnsignedInt: |
|
case VertexFormat::Int: |
|
case VertexFormat::Vector2: |
|
case VertexFormat::Vector2h: |
|
case VertexFormat::Vector2d: |
|
case VertexFormat::Vector2ub: |
|
case VertexFormat::Vector2b: |
|
case VertexFormat::Vector2us: |
|
case VertexFormat::Vector2s: |
|
case VertexFormat::Vector2ui: |
|
case VertexFormat::Vector2i: |
|
case VertexFormat::Vector3: |
|
case VertexFormat::Vector3h: |
|
case VertexFormat::Vector3d: |
|
case VertexFormat::Vector3ub: |
|
case VertexFormat::Vector3b: |
|
case VertexFormat::Vector3us: |
|
case VertexFormat::Vector3s: |
|
case VertexFormat::Vector3ui: |
|
case VertexFormat::Vector3i: |
|
case VertexFormat::Vector4: |
|
case VertexFormat::Vector4h: |
|
case VertexFormat::Vector4d: |
|
case VertexFormat::Vector4ub: |
|
case VertexFormat::Vector4b: |
|
case VertexFormat::Vector4us: |
|
case VertexFormat::Vector4s: |
|
case VertexFormat::Vector4ui: |
|
case VertexFormat::Vector4i: |
|
return false; |
|
|
|
case VertexFormat::UnsignedByteNormalized: |
|
case VertexFormat::ByteNormalized: |
|
case VertexFormat::UnsignedShortNormalized: |
|
case VertexFormat::ShortNormalized: |
|
case VertexFormat::Vector2ubNormalized: |
|
case VertexFormat::Vector2bNormalized: |
|
case VertexFormat::Vector2usNormalized: |
|
case VertexFormat::Vector2sNormalized: |
|
case VertexFormat::Vector3ubNormalized: |
|
case VertexFormat::Vector3bNormalized: |
|
case VertexFormat::Vector3usNormalized: |
|
case VertexFormat::Vector3sNormalized: |
|
case VertexFormat::Vector4ubNormalized: |
|
case VertexFormat::Vector4bNormalized: |
|
case VertexFormat::Vector4usNormalized: |
|
case VertexFormat::Vector4sNormalized: |
|
return true; |
|
} |
|
|
|
CORRADE_ASSERT(false, "isVertexFormatNormalized(): invalid format" << format, {}); |
|
} |
|
|
|
VertexFormat vertexFormat(const VertexFormat format, UnsignedInt componentCount, bool normalized) { |
|
VertexFormat componentFormat = vertexFormatComponentFormat(format); |
|
|
|
/* First turn the format into a normalized one, if requested */ |
|
if(normalized) { |
|
switch(componentFormat) { |
|
case VertexFormat::UnsignedByte: |
|
componentFormat = VertexFormat::UnsignedByteNormalized; |
|
break; |
|
case VertexFormat::Byte: |
|
componentFormat = VertexFormat::ByteNormalized; |
|
break; |
|
case VertexFormat::UnsignedShort: |
|
componentFormat = VertexFormat::UnsignedShortNormalized; |
|
break; |
|
case VertexFormat::Short: |
|
componentFormat = VertexFormat::ShortNormalized; |
|
break; |
|
default: CORRADE_ASSERT(false, |
|
"vertexFormat():" << format << "can't be made normalized", {}); |
|
} |
|
} |
|
|
|
/* Then turn them into desired component count, assuming the initial order |
|
is the same in all cases */ |
|
if(componentCount == 1) |
|
return componentFormat; |
|
else if(componentCount == 2) |
|
return VertexFormat(UnsignedInt(VertexFormat::Vector2) + |
|
UnsignedInt(componentFormat) - UnsignedInt(VertexFormat::Float)); |
|
else if(componentCount == 3) |
|
return VertexFormat(UnsignedInt(VertexFormat::Vector3) + |
|
UnsignedInt(componentFormat) - UnsignedInt(VertexFormat::Float)); |
|
else if(componentCount == 4) |
|
return VertexFormat(UnsignedInt(VertexFormat::Vector4) + |
|
UnsignedInt(componentFormat) - UnsignedInt(VertexFormat::Float)); |
|
else CORRADE_ASSERT(false, |
|
"vertexFormat(): invalid component count" << componentCount, {}); |
|
|
|
CORRADE_ASSERT_UNREACHABLE(); /* LCOV_EXCL_LINE */ |
|
} |
|
|
|
namespace { |
|
|
|
constexpr const char* VertexFormatNames[] { |
|
#define _c(format) #format, |
|
#include "Magnum/Implementation/vertexFormatMapping.hpp" |
|
#undef _c |
|
}; |
|
|
|
} |
|
|
|
Debug& operator<<(Debug& debug, const VertexFormat value) { |
|
debug << "VertexFormat" << Debug::nospace; |
|
|
|
if(UnsignedInt(value) - 1 < Containers::arraySize(VertexFormatNames)) { |
|
return debug << "::" << Debug::nospace << VertexFormatNames[UnsignedInt(value) - 1]; |
|
} |
|
|
|
return debug << "(" << Debug::nospace << reinterpret_cast<void*>(UnsignedInt(value)) << Debug::nospace << ")"; |
|
} |
|
|
|
} |
|
|
|
namespace Corrade { namespace Utility { |
|
|
|
std::string ConfigurationValue<Magnum::VertexFormat>::toString(Magnum::VertexFormat value, ConfigurationValueFlags) { |
|
if(Magnum::UnsignedInt(value) - 1 < Containers::arraySize(Magnum::VertexFormatNames)) |
|
return Magnum::VertexFormatNames[Magnum::UnsignedInt(value) - 1]; |
|
|
|
return {}; |
|
} |
|
|
|
Magnum::VertexFormat ConfigurationValue<Magnum::VertexFormat>::fromString(const std::string& stringValue, ConfigurationValueFlags) { |
|
for(std::size_t i = 0; i != Containers::arraySize(Magnum::VertexFormatNames); ++i) |
|
if(stringValue == Magnum::VertexFormatNames[i]) return Magnum::VertexFormat(i + 1); |
|
|
|
return {}; |
|
} |
|
|
|
}}
|
|
|