mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
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74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
// Copyright(c) 2018, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Samples : FormatTraits
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// Compile test on using format traits functions
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#include <vulkan/vulkan_format_traits.hpp>
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int main( int /*argc*/, char ** /*argv*/ )
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{
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static_assert( vk::blockSize( vk::Format::eR4G4UnormPack8 ) == 1, "Wrong blocksize !" );
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vk::Format format = vk::Format::eR4G4UnormPack8;
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if ( vk::texelsPerBlock( format ) == 1 )
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{
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format = vk::Format::eR4G4B4A4UnormPack16;
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}
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assert( vk::blockExtent( vk::Format::eBc1RgbUnormBlock )[2] == 1 );
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format = vk::Format::eBc1RgbUnormBlock;
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if ( std::string( vk::compressionScheme( format ) ) == "BC" )
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{
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format = vk::Format::eR4G4UnormPack8;
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}
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static_assert( vk::isCompressed( vk::Format::eBc1RgbSrgbBlock ), "IsCompressed ?" );
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assert( vk::packed( format ) == 8 );
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if ( vk::componentsAreCompressed( format ) )
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{
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format = vk::Format::eBc1RgbUnormBlock;
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}
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constexpr vk::Format constFormat = vk::Format::eR4G4UnormPack8;
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static_assert( vk::componentBits( constFormat, 1 ) == 4, "Wrong component bits !" );
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assert( vk::componentCount( constFormat ) == 2 );
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if ( strcmp( vk::componentName( constFormat, 0 ), "R" ) == 0 )
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{
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format = constFormat;
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}
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assert( std::string( vk::componentNumericFormat( constFormat, 1 ) ) == "UNORM" );
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static_assert( vk::componentPlaneIndex( constFormat, 8 ) == 0, "Hoo" );
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if ( vk::planeCount( format ) != 1 )
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{
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format = constFormat;
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}
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assert( vk::planeCompatibleFormat( vk::Format::eG8B8R83Plane420Unorm, 2 ) == vk::Format::eR8Unorm );
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if ( vk::planeHeightDivisor( format, 0 ) == vk::planeWidthDivisor( format, 0 ) )
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{
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format = vk::Format::eG8B8R83Plane420Unorm;
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}
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return 0;
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}
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