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Introduce usage of [[nodiscard]] with C++17

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This commit is contained in:
asuessenbach 2020-07-15 08:55:47 +02:00 committed by Markus Tavenrath
parent 43df4dd0f1
commit 4cdc51ba0f
21 changed files with 2455 additions and 1818 deletions
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4
README.md
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@ -346,6 +346,10 @@ Finally, the last code example is using exceptions and return value transformati
Keep in mind that Vulkan-Hpp does not support RAII style handles and that you have to cleanup your resources in the error handler!
### C++17: [[nodiscard]]
With C++17 and above, some functions are attributed with [[nodiscard]], resulting in a warning if you don't use the return value in any way. You can switch those warnings off by defining VULKAN_HPP_NO_NODISCARD_WARNINGS.
### Enumerations
For the return value transformation, there's one special class of return values which require special handling: Enumerations. For enumerations you usually have to write code like this:

28
VulkanHppGenerator.cpp
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@ -1983,7 +1983,21 @@ void VulkanHppGenerator::appendFunction( std::string & str,
!definition,
isStructureChain );
str += indentation + ( definition ? "VULKAN_HPP_INLINE " : "" );
str += indentation;
if ( ( 1 < commandData.successCodes.size() ) || ( !enhanced && ( 1 < commandData.errorCodes.size() ) ) )
{
str += "VULKAN_HPP_NODISCARD ";
}
else if ( enhanced && ( 1 < commandData.errorCodes.size() ) )
{
str += "VULKAN_HPP_NODISCARD_WHEN_NO_EXCEPTIONS ";
}
if ( definition )
{
str += "VULKAN_HPP_INLINE ";
}
appendFunctionHeaderReturnType( str,
commandData,
@ -8404,6 +8418,18 @@ int main( int argc, char ** argv )
# define VULKAN_HPP_DEPRECATED( msg )
#endif
#if ( 17 <= VULKAN_HPP_CPP_VERSION ) && !defined( VULKAN_HPP_NO_NODISCARD_WARNINGS )
# define VULKAN_HPP_NODISCARD [[nodiscard]]
# if defined(VULKAN_HPP_NO_EXCEPTIONS)
# define VULKAN_HPP_NODISCARD_WHEN_NO_EXCEPTIONS [[nodiscard]]
# else
# define VULKAN_HPP_NODISCARD_WHEN_NO_EXCEPTIONS
# endif
#else
# define VULKAN_HPP_NODISCARD
# define VULKAN_HPP_NODISCARD_WHEN_NO_EXCEPTIONS
#endif
#if !defined(VULKAN_HPP_NAMESPACE)
#define VULKAN_HPP_NAMESPACE vk
#endif

7
samples/15_DrawCube/15_DrawCube.cpp
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@ -166,7 +166,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/CopyBlitImage/CopyBlitImage.cpp
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@ -230,7 +230,14 @@ int main( int /*argc*/, char ** /*argv*/ )
;
/* Now present the image in the window */
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer, {} ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/DrawTexturedCube/DrawTexturedCube.cpp
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@ -173,7 +173,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/DynamicUniform/DynamicUniform.cpp
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@ -218,7 +218,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/ImmutableSampler/ImmutableSampler.cpp
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@ -184,7 +184,14 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::su::submitAndWait( device, graphicsQueue, commandBuffer );
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
device->waitIdle();

14
samples/InputAttachment/InputAttachment.cpp
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@ -238,10 +238,10 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::UniqueSemaphore imageAcquiredSemaphore = device->createSemaphoreUnique( vk::SemaphoreCreateInfo() );
vk::ResultValue<uint32_t> result = device->acquireNextImage2KHR(
vk::ResultValue<uint32_t> nexImage = device->acquireNextImage2KHR(
vk::AcquireNextImageInfoKHR( swapChainData.swapChain.get(), UINT64_MAX, imageAcquiredSemaphore.get(), {}, 1 ) );
assert( result.result == vk::Result::eSuccess );
uint32_t currentBuffer = result.value;
assert( nexImage.result == vk::Result::eSuccess );
uint32_t currentBuffer = nexImage.value;
vk::ClearValue clearValue;
clearValue.color = vk::ClearColorValue( std::array<float, 4>( { { 0.2f, 0.2f, 0.2f, 0.2f } } ) );
@ -271,7 +271,13 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::su::submitAndWait( device, graphicsQueue, commandBuffer );
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer ) );
vk::Result result = presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
}
catch ( vk::SystemError & err )

7
samples/MultipleSets/MultipleSets.cpp
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@ -252,7 +252,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
device->waitIdle();

16
samples/OcclusionQuery/OcclusionQuery.cpp
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@ -203,12 +203,18 @@ int main( int /*argc*/, char ** /*argv*/ )
graphicsQueue.waitIdle();
uint64_t samplesPassed[2];
device->getQueryPoolResults( queryPool.get(),
vk::Result result = device->getQueryPoolResults( queryPool.get(),
0,
2,
vk::ArrayProxy<uint64_t>( 4, samplesPassed ),
sizeof( uint64_t ),
vk::QueryResultFlagBits::e64 | vk::QueryResultFlagBits::eWait );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eNotReady: std::cout << "vk::Device::getQueryPoolResults returned vk::Result::eNotReady !\n";
default: assert( false ); // an unexpected result is returned !
}
std::cout << "vkGetQueryPoolResults data\n";
std::cout << "samples_passed[0] = " << samplesPassed[0] << "\n";
@ -227,7 +233,13 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
result = presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/PipelineCache/PipelineCache.cpp
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@ -347,7 +347,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
// Store away the cache that we've populated. This could conceivably happen

7
samples/PipelineDerivative/PipelineDerivative.cpp
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@ -286,7 +286,14 @@ void main()
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
}
catch ( vk::SystemError & err )

7
samples/PushConstants/PushConstants.cpp
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@ -231,7 +231,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
}
catch ( vk::SystemError & err )

7
samples/PushDescriptors/PushDescriptors.cpp
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@ -209,7 +209,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

10
samples/RayTracing/RayTracing.cpp
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@ -135,7 +135,7 @@ AccelerationStructureData
for ( size_t i = 0; i < instances.size(); i++ )
{
uint64_t accelerationStructureHandle = 0;
device->getAccelerationStructureHandleNV( instances[i].first, sizeof( uint64_t ), &accelerationStructureHandle );
device->getAccelerationStructureHandleNV<uint64_t>( instances[i].first, accelerationStructureHandle );
// For each instance we set its instance index to its index i in the instance vector, and set
// its hit group index to 2*i. The hit group index defines which entry of the shader binding
@ -1280,8 +1280,14 @@ int main( int /*argc*/, char ** /*argv*/ )
1,
&( *perFrameData[frameIndex].renderCompleteSemaphore ) ),
*perFrameData[frameIndex].fence );
presentQueue.presentKHR( vk::PresentInfoKHR(
vk::Result result = presentQueue.presentKHR( vk::PresentInfoKHR(
*perFrameData[frameIndex].renderCompleteSemaphore, *swapChainData.swapChain, backBufferIndex ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
frameIndex = ( frameIndex + 1 ) % IMGUI_VK_QUEUED_FRAMES;
double endTime = glfwGetTime();

7
samples/SecondaryCommandBuffer/SecondaryCommandBuffer.cpp
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@ -229,7 +229,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

7
samples/SeparateImageSampler/SeparateImageSampler.cpp
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@ -252,7 +252,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
device->waitIdle();

7
samples/Template/Template.cpp
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@ -170,7 +170,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
device->waitIdle();

7
samples/TexelBuffer/TexelBuffer.cpp
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@ -203,7 +203,14 @@ int main( int /*argc*/, char ** /*argv*/ )
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
;
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */

2473
vulkan/vulkan.hpp
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