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Pipeline caching: refactor object hashing

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Dawn's object-based cache creates keys from memory
addresses. These keys cannot be used in a persistent
cache. This change modifies the keys to only
use hashes so they can be re-used for caching
pipelines.

BUG=dawn:549

Change-Id: Ica64d58ae6a3c6266435cfc3f776c820190f7895
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/30740
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
This commit is contained in:
Bryan Bernhart
2020-12-03 18:42:13 +00:00
committed by Commit Bot service account
parent fe129405cf
commit 24bf7a4fbb
23 changed files with 272 additions and 135 deletions
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21
src/dawn_native/Sampler.cpp
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@@ -14,8 +14,8 @@
#include "dawn_native/Sampler.h"
#include "common/HashUtils.h"
#include "dawn_native/Device.h"
#include "dawn_native/ObjectContentHasher.h"
#include "dawn_native/ValidationUtils_autogen.h"
#include <cmath>
@@ -84,20 +84,11 @@ namespace dawn_native {
return mCompareFunction != wgpu::CompareFunction::Undefined;
}
size_t SamplerBase::HashFunc::operator()(const SamplerBase* module) const {
size_t hash = 0;
HashCombine(&hash, module->mAddressModeU);
HashCombine(&hash, module->mAddressModeV);
HashCombine(&hash, module->mAddressModeW);
HashCombine(&hash, module->mMagFilter);
HashCombine(&hash, module->mMinFilter);
HashCombine(&hash, module->mMipmapFilter);
HashCombine(&hash, module->mLodMinClamp);
HashCombine(&hash, module->mLodMaxClamp);
HashCombine(&hash, module->mCompareFunction);
return hash;
size_t SamplerBase::ComputeContentHash() {
ObjectContentHasher recorder;
recorder.Record(mAddressModeU, mAddressModeV, mAddressModeW, mMagFilter, mMinFilter,
mMipmapFilter, mLodMinClamp, mLodMaxClamp, mCompareFunction);
return recorder.GetContentHash();
}
bool SamplerBase::EqualityFunc::operator()(const SamplerBase* a, const SamplerBase* b) const {