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#include "mojo/public/c/gles2/gles2.h"
6
7#include "base/lazy_instance.h"
8#include "base/threading/thread_local.h"
9#include "gpu/GLES2/gl2extchromium.h"
10#include "gpu/command_buffer/client/gles2_interface.h"
11#include "mojo/gles2/gles2_context.h"
12#include "mojo/gles2/gles2_impl_export.h"
13
14using mojo::gles2::GLES2Context;
15
16namespace {
17
18base::LazyInstance<base::ThreadLocalPointer<gpu::gles2::GLES2Interface> >::Leaky
19    g_gpu_interface;
20
21}  // namespace
22
23extern "C" {
24MojoGLES2Context MojoGLES2CreateContext(MojoHandle handle,
25                                        MojoGLES2ContextLost lost_callback,
26                                        void* closure,
27                                        const MojoAsyncWaiter* async_waiter) {
28  mojo::MessagePipeHandle mph(handle);
29  mojo::ScopedMessagePipeHandle scoped_handle(mph);
30  scoped_ptr<GLES2Context> client(new GLES2Context(
31      async_waiter, scoped_handle.Pass(), lost_callback, closure));
32  if (!client->Initialize())
33    client.reset();
34  return client.release();
35}
36
37void MojoGLES2DestroyContext(MojoGLES2Context context) {
38  delete static_cast<GLES2Context*>(context);
39}
40
41void MojoGLES2MakeCurrent(MojoGLES2Context context) {
42  gpu::gles2::GLES2Interface* interface = NULL;
43  if (context) {
44    GLES2Context* client = static_cast<GLES2Context*>(context);
45    interface = client->interface();
46    DCHECK(interface);
47  }
48  g_gpu_interface.Get().Set(interface);
49}
50
51void MojoGLES2SwapBuffers() {
52  DCHECK(g_gpu_interface.Get().Get());
53  g_gpu_interface.Get().Get()->SwapBuffers();
54}
55
56void* MojoGLES2GetGLES2Interface(MojoGLES2Context context) {
57  return static_cast<GLES2Context*>(context)->interface();
58}
59
60void* MojoGLES2GetContextSupport(MojoGLES2Context context) {
61  return static_cast<GLES2Context*>(context)->context_support();
62}
63
64#define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
65  ReturnType gl##Function PARAMETERS {                             \
66    DCHECK(g_gpu_interface.Get().Get());                           \
67    return g_gpu_interface.Get().Get()->Function ARGUMENTS;        \
68  }
69#include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
70#include "mojo/public/c/gles2/gles2_call_visitor_chromium_sync_point_autogen.h"
71#include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
72#undef VISIT_GL_CALL
73
74}  // extern "C"
75