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Invalidate sampler with maxAnisotropy = 0

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Bug: dawn:568
Change-Id: Ic0eee693a91153e2447c8f9830919f74c08fde48
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/36320
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shrek Shao <shrekshao@google.com>
This commit is contained in:
shrekshao
2020-12-30 19:47:33 +00:00
committed by Commit Bot service account
parent 9a38e5b60d
commit 86980018b3
2 changed files with 8 additions and 7 deletions
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10
src/dawn_native/Sampler.cpp
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@@ -20,12 +20,6 @@
#include <cmath>
namespace {
uint16_t GetClampedMaxAnisotropy(uint16_t value) {
return value >= 1u ? value : 1u;
}
} // anonymous namespace
namespace dawn_native {
MaybeError ValidateSamplerDescriptor(DeviceBase*, const SamplerDescriptor* descriptor) {
@@ -54,6 +48,8 @@ namespace dawn_native {
"min, mag, and mipmap filter should be linear when using anisotropic "
"filtering");
}
} else if (descriptor->maxAnisotropy == 0u) {
return DAWN_VALIDATION_ERROR("max anisotropy cannot be set to 0");
}
DAWN_TRY(ValidateFilterMode(descriptor->minFilter));
@@ -79,7 +75,7 @@ namespace dawn_native {
mLodMinClamp(descriptor->lodMinClamp),
mLodMaxClamp(descriptor->lodMaxClamp),
mCompareFunction(descriptor->compare),
mMaxAnisotropy(GetClampedMaxAnisotropy(descriptor->maxAnisotropy)) {
mMaxAnisotropy(descriptor->maxAnisotropy) {
}
SamplerBase::SamplerBase(DeviceBase* device, ObjectBase::ErrorTag tag)