| // Copyright 2017 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef SRC_DAWN_NATIVE_SAMPLER_H_ |
| #define SRC_DAWN_NATIVE_SAMPLER_H_ |
| |
| #include "dawn/common/ContentLessObjectCacheable.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 ContentLessObjectCacheable<SamplerBase> { |
| public: |
| SamplerBase(DeviceBase* device, |
| const SamplerDescriptor* descriptor, |
| ApiObjectBase::UntrackedByDeviceTag tag); |
| SamplerBase(DeviceBase* device, const SamplerDescriptor* descriptor); |
| ~SamplerBase() override; |
| |
| static Ref<SamplerBase> MakeError(DeviceBase* device, const char* label); |
| |
| ObjectType GetType() const override; |
| |
| bool IsComparison() const; |
| bool IsFiltering() const; |
| bool IsYCbCr() 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: |
| void DestroyImpl() override; |
| |
| private: |
| SamplerBase(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label); |
| |
| // 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::MipmapFilterMode mMipmapFilter; |
| float mLodMinClamp; |
| float mLodMaxClamp; |
| wgpu::CompareFunction mCompareFunction; |
| uint16_t mMaxAnisotropy; |
| bool mIsYCbCr = false; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_SAMPLER_H_ |