| Flutter Impeller |

allocator_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
5 #include "impeller/renderer/backend/gles/allocator_gles.h"
6
7 #include <memory>
8
9 #include "impeller/base/allocation.h"
10 #include "impeller/base/config.h"
11 #include "impeller/renderer/backend/gles/device_buffer_gles.h"
12 #include "impeller/renderer/backend/gles/texture_gles.h"
13
14 namespace impeller {
15
16 AllocatorGLES::AllocatorGLES(std::shared_ptr<ReactorGLES> reactor)
17 : reactor_(std::move(reactor)), is_valid_(true) {}
18
19 // |Allocator|
20 AllocatorGLES::~AllocatorGLES() = default;
21
22 // |Allocator|
23 bool AllocatorGLES::IsValid() const {
24 return is_valid_;
25 }
26
27 // |Allocator|
28 std::shared_ptr<DeviceBuffer> AllocatorGLES::OnCreateBuffer(
29 const DeviceBufferDescriptor& desc) {
30 auto backing_store = std::make_shared<Allocation>();
31 if (!backing_store->Truncate(Bytes{desc.size})) {
32 return nullptr;
33 }
34 return std::make_shared<DeviceBufferGLES>(desc, //
35 reactor_, //
36 std::move(backing_store) //
37 );
38 }
39
40 // |Allocator|
41 std::shared_ptr<Texture> AllocatorGLES::OnCreateTexture(
42 const TextureDescriptor& desc) {
43 return std::make_shared<TextureGLES>(reactor_, desc);
44 }
45
46 // |Allocator|
47 ISize AllocatorGLES::GetMaxTextureSizeSupported() const {
48 return reactor_->GetProcTable().GetCapabilities()->max_texture_size;
49 }
50
51 } // namespace impeller
allocation.h
allocator_gles.h
config.h
device_buffer_gles.h
impeller
Definition: allocation.cc:12
impeller::Bytes
AllocationSize< 1u > Bytes
Definition: allocation_size.h:151
impeller::ISize
ISize64 ISize
Definition: size.h:162
std
Definition: comparable.h:95
texture_gles.h