xref: /aosp_15_r20/external/skia/tools/window/GraphiteNativeMetalWindowContext.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2021 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker #ifndef GraphiteMetalWindowContext_DEFINED
8*c8dee2aaSAndroid Build Coastguard Worker #define GraphiteMetalWindowContext_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/ports/SkCFObject.h"
12*c8dee2aaSAndroid Build Coastguard Worker 
13*c8dee2aaSAndroid Build Coastguard Worker #include "tools/window/WindowContext.h"
14*c8dee2aaSAndroid Build Coastguard Worker 
15*c8dee2aaSAndroid Build Coastguard Worker #import <Metal/Metal.h>
16*c8dee2aaSAndroid Build Coastguard Worker #import <QuartzCore/CAMetalLayer.h>
17*c8dee2aaSAndroid Build Coastguard Worker 
18*c8dee2aaSAndroid Build Coastguard Worker class SkSurface;
19*c8dee2aaSAndroid Build Coastguard Worker 
20*c8dee2aaSAndroid Build Coastguard Worker namespace skwindow::internal {
21*c8dee2aaSAndroid Build Coastguard Worker 
22*c8dee2aaSAndroid Build Coastguard Worker class GraphiteMetalWindowContext : public WindowContext {
23*c8dee2aaSAndroid Build Coastguard Worker public:
24*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkSurface> getBackbufferSurface() override;
25*c8dee2aaSAndroid Build Coastguard Worker 
isValid()26*c8dee2aaSAndroid Build Coastguard Worker     bool isValid() override { return fValid; }
27*c8dee2aaSAndroid Build Coastguard Worker 
28*c8dee2aaSAndroid Build Coastguard Worker     void setDisplayParams(std::unique_ptr<const DisplayParams> params) override;
29*c8dee2aaSAndroid Build Coastguard Worker 
30*c8dee2aaSAndroid Build Coastguard Worker     void activate(bool isActive) override;
31*c8dee2aaSAndroid Build Coastguard Worker 
32*c8dee2aaSAndroid Build Coastguard Worker protected:
33*c8dee2aaSAndroid Build Coastguard Worker     GraphiteMetalWindowContext(std::unique_ptr<const DisplayParams>);
34*c8dee2aaSAndroid Build Coastguard Worker     // This should be called by subclass constructor. It is also called when window/display
35*c8dee2aaSAndroid Build Coastguard Worker     // parameters change. This will in turn call onInitializeContext().
36*c8dee2aaSAndroid Build Coastguard Worker     void initializeContext();
37*c8dee2aaSAndroid Build Coastguard Worker     virtual bool onInitializeContext() = 0;
38*c8dee2aaSAndroid Build Coastguard Worker 
39*c8dee2aaSAndroid Build Coastguard Worker     // This should be called by subclass destructor. It is also called when window/display
40*c8dee2aaSAndroid Build Coastguard Worker     // parameters change prior to initializing a new Metal context. This will in turn call
41*c8dee2aaSAndroid Build Coastguard Worker     // onDestroyContext().
42*c8dee2aaSAndroid Build Coastguard Worker     void destroyContext();
43*c8dee2aaSAndroid Build Coastguard Worker     virtual void onDestroyContext() = 0;
44*c8dee2aaSAndroid Build Coastguard Worker 
45*c8dee2aaSAndroid Build Coastguard Worker     void onSwapBuffers() override;
46*c8dee2aaSAndroid Build Coastguard Worker 
47*c8dee2aaSAndroid Build Coastguard Worker     bool fValid;
48*c8dee2aaSAndroid Build Coastguard Worker     sk_cfp<id<MTLDevice>> fDevice;
49*c8dee2aaSAndroid Build Coastguard Worker     sk_cfp<id<MTLCommandQueue>> fQueue;
50*c8dee2aaSAndroid Build Coastguard Worker     CAMetalLayer* fMetalLayer;
51*c8dee2aaSAndroid Build Coastguard Worker     CFTypeRef fDrawableHandle;
52*c8dee2aaSAndroid Build Coastguard Worker };
53*c8dee2aaSAndroid Build Coastguard Worker 
54*c8dee2aaSAndroid Build Coastguard Worker }  // namespace skwindow::internal
55*c8dee2aaSAndroid Build Coastguard Worker 
56*c8dee2aaSAndroid Build Coastguard Worker #endif
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