64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// Copyright 2017 The Dawn Authors
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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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#ifndef DAWNNATIVE_SAMPLER_H_
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#define DAWNNATIVE_SAMPLER_H_
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#include "dawn_native/CachedObject.h"
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#include "dawn_native/Error.h"
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#include "dawn_native/dawn_platform.h"
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namespace dawn_native {
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class DeviceBase;
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MaybeError ValidateSamplerDescriptor(DeviceBase* device, const SamplerDescriptor* descriptor);
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class SamplerBase : public CachedObject {
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public:
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SamplerBase(DeviceBase* device, const SamplerDescriptor* descriptor);
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~SamplerBase() override;
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static SamplerBase* MakeError(DeviceBase* device);
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bool HasCompareFunction() const;
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// Functors necessary for the unordered_set<SamplerBase*>-based cache.
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struct HashFunc {
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size_t operator()(const SamplerBase* module) const;
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};
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struct EqualityFunc {
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bool operator()(const SamplerBase* a, const SamplerBase* b) const;
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};
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private:
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SamplerBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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// TODO(cwallez@chromium.org): Store a crypto hash of the items instead?
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wgpu::AddressMode mAddressModeU;
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wgpu::AddressMode mAddressModeV;
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wgpu::AddressMode mAddressModeW;
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wgpu::FilterMode mMagFilter;
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wgpu::FilterMode mMinFilter;
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wgpu::FilterMode mMipmapFilter;
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float mLodMinClamp;
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float mLodMaxClamp;
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wgpu::CompareFunction mCompareFunction;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_SAMPLER_H_
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