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/gles2/gles2_support_impl.h"
6
7 #include "base/lazy_instance.h"
8 #include "gpu/command_buffer/client/gles2_interface.h"
9 #include "mojo/gles2/gles2_context.h"
10 #include "mojo/public/gles2/gles2_interface.h"
11 #include "mojo/public/gles2/gles2_private.h"
12
13 namespace mojo {
14 namespace gles2 {
15
16 namespace {
17
18 class GLES2ImplForCommandBuffer : public GLES2Interface {
19 public:
GLES2ImplForCommandBuffer()20 GLES2ImplForCommandBuffer() : gpu_interface_(NULL) {}
21
set_gpu_interface(gpu::gles2::GLES2Interface * gpu_interface)22 void set_gpu_interface(gpu::gles2::GLES2Interface* gpu_interface) {
23 gpu_interface_ = gpu_interface;
24 }
gpu_interface() const25 gpu::gles2::GLES2Interface* gpu_interface() const { return gpu_interface_; }
26
27 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
28 virtual ReturnType Function PARAMETERS OVERRIDE { \
29 return gpu_interface_->Function ARGUMENTS; \
30 }
31 #include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
32 #undef VISIT_GL_CALL
33
34 private:
35 gpu::gles2::GLES2Interface* gpu_interface_;
36 DISALLOW_COPY_AND_ASSIGN(GLES2ImplForCommandBuffer);
37 };
38
39 base::LazyInstance<GLES2ImplForCommandBuffer> g_gles2_interface =
40 LAZY_INSTANCE_INITIALIZER;
41
42 } // anonymous namespace
43
GLES2SupportImpl()44 GLES2SupportImpl::GLES2SupportImpl() : async_waiter_(NULL) {}
~GLES2SupportImpl()45 GLES2SupportImpl::~GLES2SupportImpl() {}
46
47 // static
Init()48 void GLES2SupportImpl::Init() { GLES2Support::Init(new GLES2SupportImpl()); }
49
Initialize(const MojoAsyncWaiter * async_waiter)50 void GLES2SupportImpl::Initialize(const MojoAsyncWaiter* async_waiter) {
51 DCHECK(!async_waiter_);
52 DCHECK(async_waiter);
53 async_waiter_ = async_waiter;
54 }
55
Terminate()56 void GLES2SupportImpl::Terminate() {
57 DCHECK(async_waiter_);
58 async_waiter_ = NULL;
59 }
60
CreateContext(MessagePipeHandle handle,MojoGLES2ContextLost lost_callback,MojoGLES2DrawAnimationFrame animation_callback,void * closure)61 MojoGLES2Context GLES2SupportImpl::CreateContext(
62 MessagePipeHandle handle,
63 MojoGLES2ContextLost lost_callback,
64 MojoGLES2DrawAnimationFrame animation_callback,
65 void* closure) {
66 ScopedMessagePipeHandle scoped_handle(handle);
67 scoped_ptr<GLES2Context> client(new GLES2Context(async_waiter_,
68 scoped_handle.Pass(),
69 lost_callback,
70 animation_callback,
71 closure));
72 if (!client->Initialize())
73 client.reset();
74 return client.release();
75 }
76
DestroyContext(MojoGLES2Context context)77 void GLES2SupportImpl::DestroyContext(MojoGLES2Context context) {
78 delete static_cast<GLES2Context*>(context);
79 }
80
MakeCurrent(MojoGLES2Context context)81 void GLES2SupportImpl::MakeCurrent(MojoGLES2Context context) {
82 gpu::gles2::GLES2Interface* interface = NULL;
83 if (context) {
84 GLES2Context* client = static_cast<GLES2Context*>(context);
85 interface = client->interface();
86 DCHECK(interface);
87 }
88 g_gles2_interface.Get().set_gpu_interface(interface);
89 }
90
SwapBuffers()91 void GLES2SupportImpl::SwapBuffers() {
92 g_gles2_interface.Get().gpu_interface()->SwapBuffers();
93 }
94
RequestAnimationFrames(MojoGLES2Context context)95 void GLES2SupportImpl::RequestAnimationFrames(MojoGLES2Context context) {
96 static_cast<GLES2Context*>(context)->RequestAnimationFrames();
97 }
98
CancelAnimationFrames(MojoGLES2Context context)99 void GLES2SupportImpl::CancelAnimationFrames(MojoGLES2Context context) {
100 static_cast<GLES2Context*>(context)->CancelAnimationFrames();
101 }
102
GetGLES2Interface(MojoGLES2Context context)103 void* GLES2SupportImpl::GetGLES2Interface(MojoGLES2Context context) {
104 return static_cast<GLES2Context*>(context)->interface();
105 }
106
GetContextSupport(MojoGLES2Context context)107 void* GLES2SupportImpl::GetContextSupport(MojoGLES2Context context) {
108 return static_cast<GLES2Context*>(context)->context_support();
109 }
110
GetGLES2InterfaceForCurrentContext()111 GLES2Interface* GLES2SupportImpl::GetGLES2InterfaceForCurrentContext() {
112 return &g_gles2_interface.Get();
113 }
114
115 } // namespace gles2
116 } // namespace mojo
117