Flutter Impeller
sampler_library_gles.cc
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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 
6 
7 #include "impeller/base/config.h"
11 
12 namespace impeller {
13 
14 static const std::unique_ptr<const Sampler> kNullSampler = nullptr;
15 
16 SamplerLibraryGLES::SamplerLibraryGLES(bool supports_decal_sampler_address_mode)
17  : supports_decal_sampler_address_mode_(
18  supports_decal_sampler_address_mode) {}
19 
20 // |SamplerLibrary|
22 
23 // |SamplerLibrary|
24 const std::unique_ptr<const Sampler>& SamplerLibraryGLES::GetSampler(
25  SamplerDescriptor descriptor) {
26  if (!supports_decal_sampler_address_mode_ &&
30  VALIDATION_LOG << "SamplerAddressMode::kDecal is not supported by the "
31  "current OpenGLES backend.";
32  return kNullSampler;
33  }
34 
35  auto found = samplers_.find(descriptor);
36  if (found != samplers_.end()) {
37  return found->second;
38  }
39  return (samplers_[descriptor] =
40  std::unique_ptr<SamplerGLES>(new SamplerGLES(descriptor)));
41 }
42 
43 } // namespace impeller
formats.h
validation.h
sampler_gles.h
impeller::SamplerDescriptor
Definition: sampler_descriptor.h:15
sampler_library_gles.h
impeller::SamplerDescriptor::width_address_mode
SamplerAddressMode width_address_mode
Definition: sampler_descriptor.h:20
impeller::SamplerDescriptor::depth_address_mode
SamplerAddressMode depth_address_mode
Definition: sampler_descriptor.h:22
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:73
impeller::SamplerLibraryGLES::~SamplerLibraryGLES
~SamplerLibraryGLES() override
impeller::kNullSampler
static const std::unique_ptr< const Sampler > kNullSampler
Definition: sampler_library_gles.cc:14
config.h
impeller::SamplerDescriptor::height_address_mode
SamplerAddressMode height_address_mode
Definition: sampler_descriptor.h:21
impeller
Definition: aiks_blur_unittests.cc:20
impeller::SamplerAddressMode::kDecal
@ kDecal
decal sampling mode is only supported on devices that pass the Capabilities.SupportsDecalSamplerAddre...