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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/proxy/ppb_surface_3d_proxy.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/dev/ppb_surface_3d_dev.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_resource.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/ppb_context_3d_proxy.h"
namespace pp {
namespace proxy {
namespace {
PP_Resource Create(PP_Instance instance,
PP_Config3D_Dev config,
const int32_t* attrib_list) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_ERROR_BADARGUMENT;
std::vector<int32_t> attribs;
if (attrib_list) {
for (const int32_t* attr = attrib_list; attr; ++attr)
attribs.push_back(*attr);
} else {
attribs.push_back(0);
}
HostResource result;
dispatcher->Send(new PpapiHostMsg_PPBSurface3D_Create(
INTERFACE_ID_PPB_SURFACE_3D, instance, config, attribs, &result));
if (result.is_null())
return 0;
linked_ptr<Surface3D> surface_3d(new Surface3D(result));
PP_Resource resource =
PluginResourceTracker::GetInstance()->AddResource(surface_3d);
surface_3d->set_resource(resource);
return resource;
}
PP_Bool IsSurface3D(PP_Resource resource) {
Surface3D* object = PluginResource::GetAs<Surface3D>(resource);
return BoolToPPBool(!!object);
}
int32_t SetAttrib(PP_Resource surface_id,
int32_t attribute,
int32_t value) {
// TODO(alokp): Implement me.
return 0;
}
int32_t GetAttrib(PP_Resource surface_id,
int32_t attribute,
int32_t* value) {
// TODO(alokp): Implement me.
return 0;
}
int32_t SwapBuffers(PP_Resource surface_id,
PP_CompletionCallback callback) {
Surface3D* object = PluginResource::GetAs<Surface3D>(surface_id);
if (!object)
return PP_ERROR_BADRESOURCE;
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
object->instance());
if (!dispatcher)
return PP_ERROR_FAILED;
// For now, disallow blocking calls. We'll need to add support for other
// threads to this later.
if (!callback.func)
return PP_ERROR_BADARGUMENT;
if (object->is_flush_pending())
return PP_ERROR_INPROGRESS; // Can't have >1 flush pending.
if (!object->context())
return PP_ERROR_FAILED;
object->set_current_flush_callback(callback);
IPC::Message* msg = new PpapiHostMsg_PPBSurface3D_SwapBuffers(
INTERFACE_ID_PPB_SURFACE_3D, object->host_resource());
msg->set_unblock(true);
dispatcher->Send(msg);
object->context()->gles2_impl()->SwapBuffers();
return PP_ERROR_WOULDBLOCK;
}
const PPB_Surface3D_Dev surface_3d_interface = {
&Create,
&IsSurface3D,
&SetAttrib,
&GetAttrib,
&SwapBuffers
};
InterfaceProxy* CreateSurface3DProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_Surface3D_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_Surface3D_Proxy::PPB_Surface3D_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface),
callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
}
PPB_Surface3D_Proxy::~PPB_Surface3D_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_Surface3D_Proxy::GetInfo() {
static const Info info = {
&surface_3d_interface,
PPB_SURFACE_3D_DEV_INTERFACE,
INTERFACE_ID_PPB_SURFACE_3D,
false,
&CreateSurface3DProxy,
};
return &info;
}
bool PPB_Surface3D_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_Surface3D_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBSurface3D_Create,
OnMsgCreate)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBSurface3D_SwapBuffers,
OnMsgSwapBuffers)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBSurface3D_SwapBuffersACK,
OnMsgSwapBuffersACK)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
// FIXME(brettw) handle bad messages!
return handled;
}
void PPB_Surface3D_Proxy::OnMsgCreate(PP_Instance instance,
PP_Config3D_Dev config,
std::vector<int32_t> attribs,
HostResource* result) {
DCHECK(attribs.back() == 0);
PP_Resource resource =
ppb_surface_3d_target()->Create(instance, config, &attribs.front());
result->SetHostResource(instance, resource);
}
void PPB_Surface3D_Proxy::OnMsgSwapBuffers(const HostResource& surface_3d) {
CompletionCallback callback = callback_factory_.NewCallback(
&PPB_Surface3D_Proxy::SendSwapBuffersACKToPlugin, surface_3d);
int32_t result = ppb_surface_3d_target()->SwapBuffers(
surface_3d.host_resource(), callback.pp_completion_callback());
if (result != PP_ERROR_WOULDBLOCK) {
// There was some error, so we won't get a flush callback. We need to now
// issue the ACK to the plugin hears about the error. This will also clean
// up the data associated with the callback.
callback.Run(result);
}
}
void PPB_Surface3D_Proxy::OnMsgSwapBuffersACK(const HostResource& resource,
int32_t pp_error) {
PP_Resource plugin_resource =
PluginResourceTracker::GetInstance()->PluginResourceForHostResource(
resource);
if (!plugin_resource)
return;
Surface3D* object = PluginResource::GetAs<Surface3D>(plugin_resource);
if (!object) {
// The plugin has released the Surface3D object so don't issue the
// callback.
return;
}
// Be careful to make the callback NULL again before issuing the callback
// since the plugin might want to flush from within the callback.
PP_CompletionCallback callback = object->current_flush_callback();
object->set_current_flush_callback(PP_BlockUntilComplete());
PP_RunCompletionCallback(&callback, pp_error);
}
void PPB_Surface3D_Proxy::SendSwapBuffersACKToPlugin(
int32_t result,
const HostResource& surface_3d) {
dispatcher()->Send(new PpapiMsg_PPBSurface3D_SwapBuffersACK(
INTERFACE_ID_PPB_SURFACE_3D, surface_3d, result));
}
} // namespace proxy
} // namespace pp
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