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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 "flutter/shell/platform/embedder/embedder_external_texture_gl.h"
6 
7 #include "flutter/fml/logging.h"
8 
9 namespace flutter {
10 
EmbedderExternalTextureGL(int64_t texture_identifier,ExternalTextureCallback callback)11 EmbedderExternalTextureGL::EmbedderExternalTextureGL(
12     int64_t texture_identifier,
13     ExternalTextureCallback callback)
14     : Texture(texture_identifier), external_texture_callback_(callback) {
15   FML_DCHECK(external_texture_callback_);
16 }
17 
18 EmbedderExternalTextureGL::~EmbedderExternalTextureGL() = default;
19 
20 // |flutter::Texture|
Paint(SkCanvas & canvas,const SkRect & bounds,bool freeze,GrContext * context)21 void EmbedderExternalTextureGL::Paint(SkCanvas& canvas,
22                                       const SkRect& bounds,
23                                       bool freeze,
24                                       GrContext* context) {
25   if (auto image = external_texture_callback_(
26           Id(),                                           //
27           canvas.getGrContext(),                          //
28           SkISize::Make(bounds.width(), bounds.height())  //
29           )) {
30     last_image_ = image;
31   }
32 
33   if (last_image_) {
34     canvas.drawImage(last_image_, bounds.x(), bounds.y());
35   }
36 }
37 
38 // |flutter::Texture|
OnGrContextCreated()39 void EmbedderExternalTextureGL::OnGrContextCreated() {}
40 
41 // |flutter::Texture|
OnGrContextDestroyed()42 void EmbedderExternalTextureGL::OnGrContextDestroyed() {}
43 
44 // |flutter::Texture|
MarkNewFrameAvailable()45 void EmbedderExternalTextureGL::MarkNewFrameAvailable() {}
46 
47 }  // namespace flutter
48