| // Copyright 2017 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef DAWNNATIVE_SAMPLER_H_ |
| #define DAWNNATIVE_SAMPLER_H_ |
| |
| #include "dawn_native/CachedObject.h" |
| #include "dawn_native/Error.h" |
| #include "dawn_native/Forward.h" |
| #include "dawn_native/ObjectBase.h" |
| |
| #include "dawn_native/dawn_platform.h" |
| |
| namespace dawn_native { |
| |
| class DeviceBase; |
| |
| MaybeError ValidateSamplerDescriptor(DeviceBase* device, const SamplerDescriptor* descriptor); |
| |
| class SamplerBase : public ApiObjectBase, public CachedObject { |
| public: |
| SamplerBase(DeviceBase* device, |
| const SamplerDescriptor* descriptor, |
| ApiObjectBase::UntrackedByDeviceTag tag); |
| SamplerBase(DeviceBase* device, const SamplerDescriptor* descriptor); |
| ~SamplerBase() override; |
| |
| static SamplerBase* MakeError(DeviceBase* device); |
| |
| bool Destroy() override; |
| ObjectType GetType() const override; |
| |
| bool IsComparison() const; |
| bool IsFiltering() const; |
| |
| // Functions necessary for the unordered_set<SamplerBase*>-based cache. |
| size_t ComputeContentHash() override; |
| |
| struct EqualityFunc { |
| bool operator()(const SamplerBase* a, const SamplerBase* b) const; |
| }; |
| |
| uint16_t GetMaxAnisotropy() const { |
| return mMaxAnisotropy; |
| } |
| |
| protected: |
| // Constructor used only for mocking and testing. |
| SamplerBase(DeviceBase* device); |
| |
| private: |
| SamplerBase(DeviceBase* device, ObjectBase::ErrorTag tag); |
| |
| // TODO(cwallez@chromium.org): Store a crypto hash of the items instead? |
| wgpu::AddressMode mAddressModeU; |
| wgpu::AddressMode mAddressModeV; |
| wgpu::AddressMode mAddressModeW; |
| wgpu::FilterMode mMagFilter; |
| wgpu::FilterMode mMinFilter; |
| wgpu::FilterMode mMipmapFilter; |
| float mLodMinClamp; |
| float mLodMaxClamp; |
| wgpu::CompareFunction mCompareFunction; |
| uint16_t mMaxAnisotropy; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_SAMPLER_H_ |