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// Copyright (c) 2010 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 "base/at_exit.h"
#include "base/logging.h"
#include "gpu/demos/framework/plugin.h"
#include "gpu/pgl/pgl.h"
#include "third_party/npapi/bindings/nphostapi.h"
#if __GNUC__ >= 4
#define EXPORT __attribute__ ((visibility("default")))
#else
// We use .def file to export symbols on OS_WIN. We could potentially use
// __declspec(dllexport) but API_CALL always adds something to the function
// signature even inside extern "C" {}
#define EXPORT
#endif // GNUC
namespace {
// AtExitManager is used by singleton classes to delete themselves when
// the program terminates. There should be only one instance of this class
// per thread;
base::AtExitManager* g_at_exit_manager;
} // namespace
namespace gpu {
namespace demos {
// NPP entry points.
NPError NPP_New(NPMIMEType pluginType,
NPP instance,
uint16 mode,
int16 argc, char* argn[], char* argv[],
NPSavedData* saved) {
if (g_browser->version < NPVERS_HAS_PLUGIN_THREAD_ASYNC_CALL) {
return NPERR_INCOMPATIBLE_VERSION_ERROR;
}
Plugin* plugin = static_cast<Plugin*>(
g_browser->createobject(instance, Plugin::GetPluginClass()));
instance->pdata = plugin;
plugin->New(pluginType, argc, argn, argv);
return NPERR_NO_ERROR;
}
NPError NPP_Destroy(NPP instance, NPSavedData** save) {
Plugin* plugin = static_cast<Plugin*>(instance->pdata);
if (plugin) g_browser->releaseobject(plugin);
return NPERR_NO_ERROR;
}
NPError NPP_SetWindow(NPP instance, NPWindow* window) {
Plugin* plugin = static_cast<Plugin*>(instance->pdata);
if (plugin) plugin->SetWindow(*window);
return NPERR_NO_ERROR;
}
NPError NPP_NewStream(NPP instance,
NPMIMEType type,
NPStream* stream,
NPBool seekable,
uint16* stype) {
*stype = NP_ASFILEONLY;
return NPERR_NO_ERROR;
}
NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason) {
return NPERR_NO_ERROR;
}
void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname) {
}
int32 NPP_Write(NPP instance,
NPStream* stream,
int32 offset,
int32 len,
void* buffer) {
return 0;
}
int32 NPP_WriteReady(NPP instance, NPStream* stream) {
return 0;
}
void NPP_Print(NPP instance, NPPrint* platformPrint) {
}
int16 NPP_HandleEvent(NPP instance, void* event) {
Plugin* plugin = static_cast<Plugin*>(instance->pdata);
if (plugin)
return plugin->HandleEvent(*static_cast<NPPepperEvent*>(event));
return 0;
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason,
void* notify_data) {
}
NPError NPP_GetValue(NPP instance, NPPVariable variable, void* value) {
NPError err = NPERR_NO_ERROR;
switch (variable) {
#if defined(OS_LINUX)
case NPPVpluginNameString:
*(static_cast<const char**>(value)) = "Pepper GPU Demo";
break;
case NPPVpluginDescriptionString:
*(static_cast<const char**>(value)) = "Pepper plug-in for GPU demo.";
break;
case NPPVpluginNeedsXEmbed:
*(static_cast<NPBool*>(value)) = true;
break;
#endif
case NPPVpluginScriptableNPObject: {
void** v = static_cast<void**>(value);
Plugin* plugin = static_cast<Plugin*>(instance->pdata);
// Return value is expected to be retained
g_browser->retainobject(plugin);
*v = plugin;
break;
}
default:
LOG(INFO) << "Unhandled variable to NPP_GetValue\n";
err = NPERR_GENERIC_ERROR;
break;
}
return err;
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void* value) {
return NPERR_GENERIC_ERROR;
}
} // namespace demos
} // namespace gpu
// NP entry points
extern "C" {
EXPORT NPError API_CALL NP_GetEntryPoints(NPPluginFuncs* plugin_funcs) {
plugin_funcs->version = NPVERS_HAS_PLUGIN_THREAD_ASYNC_CALL;
plugin_funcs->size = sizeof(plugin_funcs);
plugin_funcs->newp = gpu::demos::NPP_New;
plugin_funcs->destroy = gpu::demos::NPP_Destroy;
plugin_funcs->setwindow = gpu::demos::NPP_SetWindow;
plugin_funcs->newstream = gpu::demos::NPP_NewStream;
plugin_funcs->destroystream = gpu::demos::NPP_DestroyStream;
plugin_funcs->asfile = gpu::demos::NPP_StreamAsFile;
plugin_funcs->writeready = gpu::demos::NPP_WriteReady;
plugin_funcs->write = gpu::demos::NPP_Write;
plugin_funcs->print = gpu::demos::NPP_Print;
plugin_funcs->event = gpu::demos::NPP_HandleEvent;
plugin_funcs->urlnotify = gpu::demos::NPP_URLNotify;
plugin_funcs->getvalue = gpu::demos::NPP_GetValue;
plugin_funcs->setvalue = gpu::demos::NPP_SetValue;
return NPERR_NO_ERROR;
}
EXPORT NPError API_CALL NP_Initialize(NPNetscapeFuncs* browser_funcs
#if defined(OS_LINUX)
, NPPluginFuncs* plugin_funcs
#endif // OS_LINUX
) {
g_at_exit_manager = new base::AtExitManager();
gpu::demos::g_browser = browser_funcs;
pglInitialize();
#if defined(OS_LINUX)
NP_GetEntryPoints(plugin_funcs);
#endif // OS_LINUX
return NPERR_NO_ERROR;
}
EXPORT void API_CALL NP_Shutdown() {
pglTerminate();
delete g_at_exit_manager;
}
#if defined(OS_LINUX)
EXPORT NPError API_CALL NP_GetValue(NPP instance, NPPVariable variable,
void* value) {
return gpu::demos::NPP_GetValue(instance, variable, value);
}
EXPORT const char* API_CALL NP_GetMIMEDescription() {
return "pepper-application/x-gpu-demo::Pepper GPU Demo";
}
#endif // OS_LINUX
} // extern "C"
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