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Add RoundUpToMultiple and DivideAndRoundUp functions to MathUtils.h (#6989)

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* Add RoundUpToMultiple and DivideAndRoundUp functions to MathUtils.h

Signed-off-by: Tommy Walton <waltont@amazon.com>

* Rename DivideByMultiple2 back to DivideByMultiple, now that I've confirmed it's not in use in the codebase. RHI::DivideByMultiple can be fully deprecated in favor of AZ::DivideAndRoundUp at a later date, once the deprecation strategy has been finalized.

Signed-off-by: Tommy Walton <waltont@amazon.com>

* Update based on PR feedback

Signed-off-by: Tommy Walton <waltont@amazon.com>

* Switched from std::numeric_limits to AZStd::numeric_limits and updated the header to indicate it works for non-power of two alignments, but that SizeAlignUp is more efficient if the alignment is a power of 2

Signed-off-by: Tommy Walton <waltont@amazon.com>

* Added missing arguments to the assert, and a missing namespace and include that failed to compile on non-unity builds

Signed-off-by: Tommy Walton <waltont@amazon.com>
This commit is contained in:
Tommy Walton
2022-02-18 12:29:44 -08:00
committed by GitHub
parent 49dba84fee
commit 7de6bc5b23
16 changed files with 213 additions and 60 deletions
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Gems/Vegetation/Code/Source/Debugger/DebugComponent.cpp
+1 -6
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@@ -334,16 +334,11 @@ void DebugComponent::FillSectorEnd([[maybe_unused]] int sectorX, [[maybe_unused]
namespace DebugComponentUtilities
{
constexpr uint32 RoundUpAndDivide(uint32 value, uint32 divide)
{
return (value + divide - 1) / divide;
}
template <typename ValueType>
union LocalAliasingUnion
{
ValueType aliasedValue;
AZStd::size_t aliasedValueArray[RoundUpAndDivide(sizeof(ValueType), sizeof(AZStd::size_t))] = {};
AZStd::size_t aliasedValueArray[AZ::DivideAndRoundUp(sizeof(ValueType), sizeof(AZStd::size_t))] = {};
};
template <typename ValueType>