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// Copyright (c) 2012 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/c/dev/ppb_buffer_dev.h"
#include "ppapi/thunk/thunk.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_buffer_api.h"
#include "ppapi/thunk/resource_creation_api.h"
namespace ppapi {
namespace thunk {
namespace {
PP_Resource Create(PP_Instance instance, uint32_t size) {
EnterResourceCreation enter(instance);
if (enter.failed())
return 0;
return enter.functions()->CreateBuffer(instance, size);
}
PP_Bool IsBuffer(PP_Resource resource) {
EnterResource<PPB_Buffer_API> enter(resource, false);
return PP_FromBool(enter.succeeded());
}
PP_Bool Describe(PP_Resource resource, uint32_t* size_in_bytes) {
EnterResource<PPB_Buffer_API> enter(resource, true);
if (enter.failed()) {
*size_in_bytes = 0;
return PP_FALSE;
}
return enter.object()->Describe(size_in_bytes);
}
void* Map(PP_Resource resource) {
EnterResource<PPB_Buffer_API> enter(resource, true);
if (enter.failed())
return NULL;
return enter.object()->Map();
}
void Unmap(PP_Resource resource) {
EnterResource<PPB_Buffer_API> enter(resource, true);
if (enter.succeeded())
enter.object()->Unmap();
}
const PPB_Buffer_Dev g_ppb_buffer_thunk = {
&Create,
&IsBuffer,
&Describe,
&Map,
&Unmap,
};
} // namespace
const PPB_Buffer_Dev_0_4* GetPPB_Buffer_Dev_0_4_Thunk() {
return &g_ppb_buffer_thunk;
}
} // namespace thunk
} // namespace ppapi
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