Flutter Impeller
sampler_descriptor.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_IMPELLER_CORE_SAMPLER_DESCRIPTOR_H_
6 #define FLUTTER_IMPELLER_CORE_SAMPLER_DESCRIPTOR_H_
7 
10 
11 namespace impeller {
12 
13 class Context;
14 
15 struct SamplerDescriptor final : public Comparable<SamplerDescriptor> {
19 
23 
24  std::string label = "NN Clamp Sampler";
25 
27 
28  SamplerDescriptor(std::string label,
32 
33  // Comparable<SamplerDescriptor>
34  std::size_t GetHash() const override {
35  return fml::HashCombine(min_filter, mag_filter, mip_filter,
38  }
39 
40  // Comparable<SamplerDescriptor>
41  bool IsEqual(const SamplerDescriptor& o) const override {
42  return min_filter == o.min_filter && mag_filter == o.mag_filter &&
43  mip_filter == o.mip_filter &&
47  }
48 };
49 
50 } // namespace impeller
51 
52 #endif // FLUTTER_IMPELLER_CORE_SAMPLER_DESCRIPTOR_H_
impeller::SamplerAddressMode
SamplerAddressMode
Definition: formats.h:423
formats.h
impeller::SamplerAddressMode::kClampToEdge
@ kClampToEdge
impeller::SamplerDescriptor::GetHash
std::size_t GetHash() const override
Definition: sampler_descriptor.h:34
impeller::MinMagFilter::kNearest
@ kNearest
Select nearest to the sample point. Most widely supported.
impeller::SamplerDescriptor::mag_filter
MinMagFilter mag_filter
Definition: sampler_descriptor.h:17
impeller::SamplerDescriptor
Definition: sampler_descriptor.h:15
impeller::MipFilter::kNearest
@ kNearest
Sample from the nearest mip level.
impeller::SamplerDescriptor::min_filter
MinMagFilter min_filter
Definition: sampler_descriptor.h:16
impeller::MipFilter
MipFilter
Definition: formats.h:415
impeller::SamplerDescriptor::width_address_mode
SamplerAddressMode width_address_mode
Definition: sampler_descriptor.h:20
impeller::MinMagFilter
MinMagFilter
Definition: formats.h:407
impeller::SamplerDescriptor::depth_address_mode
SamplerAddressMode depth_address_mode
Definition: sampler_descriptor.h:22
impeller::SamplerDescriptor::mip_filter
MipFilter mip_filter
Definition: sampler_descriptor.h:18
impeller::Comparable
Definition: comparable.h:29
comparable.h
impeller::SamplerDescriptor::label
std::string label
Definition: sampler_descriptor.h:24
impeller::SamplerDescriptor::SamplerDescriptor
SamplerDescriptor()
impeller::SamplerDescriptor::height_address_mode
SamplerAddressMode height_address_mode
Definition: sampler_descriptor.h:21
impeller
Definition: aiks_blur_unittests.cc:20
impeller::SamplerDescriptor::IsEqual
bool IsEqual(const SamplerDescriptor &o) const override
Definition: sampler_descriptor.h:41