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Side by Side Diff: mojo/public/platform/native/gles2_thunks.h

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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1 // Copyright 2014 The Chromium 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 MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_THUNKS_H_
6 #define MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_THUNKS_H_
7
8 #include <stddef.h>
9
10 #include "mojo/public/c/gles2/gles2.h"
11
12 // Structure used to bind the interface which manipulates GLES2 surfaces to a
13 // DSO to theose of the embedder.
14 //
15 // This is the ABI between the embedder and the DSO. It can only have new
16 // functions added to the end. No other changes are supported.
17 #pragma pack(push, 8)
18 struct MojoGLES2ControlThunks {
19 size_t size; // Should be set to sizeof(MojoGLES2ControlThunks).
20
21 MojoGLES2Context (*GLES2CreateContext)(MojoHandle handle,
22 MojoGLES2ContextLost lost_callback,
23 void* closure,
24 const MojoAsyncWaiter* async_waiter);
25 void (*GLES2DestroyContext)(MojoGLES2Context context);
26 void (*GLES2MakeCurrent)(MojoGLES2Context context);
27 void (*GLES2SwapBuffers)();
28
29 // TODO(piman): We shouldn't have to leak these 2 interfaces, especially in a
30 // type-unsafe way.
31 void* (*GLES2GetGLES2Interface)(MojoGLES2Context context);
32 void* (*GLES2GetContextSupport)(MojoGLES2Context context);
33 };
34 #pragma pack(pop)
35
36 // Intended to be called from the embedder. Returns an object initialized to
37 // contain pointers to each of the embedder's MojoGLES2ControlThunks functions.
38 inline MojoGLES2ControlThunks MojoMakeGLES2ControlThunks() {
39 MojoGLES2ControlThunks gles2_control_thunks = {
40 sizeof(MojoGLES2ControlThunks),
41 MojoGLES2CreateContext,
42 MojoGLES2DestroyContext,
43 MojoGLES2MakeCurrent,
44 MojoGLES2SwapBuffers,
45 MojoGLES2GetGLES2Interface,
46 MojoGLES2GetContextSupport
47 };
48
49 return gles2_control_thunks;
50 }
51
52 // Use this type for the function found by dynamically discovering it in
53 // a DSO linked with mojo_system. For example:
54 // MojoSetGLES2ControlThunksFn mojo_set_gles2_control_thunks_fn =
55 // reinterpret_cast<MojoSetGLES2ControlThunksFn>(
56 // app_library.GetFunctionPointer("MojoSetGLES2ControlThunks"));
57 // The expected size of |gles2_control_thunks| is returned.
58 // The contents of |gles2_control_thunks| are copied.
59 typedef size_t (*MojoSetGLES2ControlThunksFn)(
60 const MojoGLES2ControlThunks* gles2_control_thunks);
61
62 #endif // MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_THUNKS_H_
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