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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/c/pp_errors.h"
#include "ppapi/c/ppb_image_data.h"
#include "ppapi/shared_impl/image_data_impl.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_image_data_api.h"
#include "ppapi/thunk/resource_creation_api.h"
namespace ppapi {
namespace thunk {
namespace {
PP_ImageDataFormat GetNativeImageDataFormat() {
return ppapi::ImageDataImpl::GetNativeImageDataFormat();
}
PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format) {
return ppapi::ImageDataImpl::IsImageDataFormatSupported(format)
? PP_TRUE : PP_FALSE;
}
PP_Resource Create(PP_Instance instance,
PP_ImageDataFormat format,
const PP_Size* size,
PP_Bool init_to_zero) {
EnterFunction<ResourceCreationAPI> enter(instance, true);
if (enter.failed())
return 0;
return enter.functions()->CreateImageData(instance, format,
*size, init_to_zero);
}
PP_Bool IsImageData(PP_Resource resource) {
EnterResource<PPB_ImageData_API> enter(resource, false);
return enter.succeeded() ? PP_TRUE : PP_FALSE;
}
PP_Bool Describe(PP_Resource resource, PP_ImageDataDesc* desc) {
// Give predictable values on failure.
memset(desc, 0, sizeof(PP_ImageDataDesc));
EnterResource<PPB_ImageData_API> enter(resource, true);
if (enter.failed())
return PP_FALSE;
return enter.object()->Describe(desc);
}
void* Map(PP_Resource resource) {
EnterResource<PPB_ImageData_API> enter(resource, true);
if (enter.failed())
return NULL;
return enter.object()->Map();
}
void Unmap(PP_Resource resource) {
EnterResource<PPB_ImageData_API> enter(resource, true);
if (enter.failed())
return;
enter.object()->Unmap();
}
const PPB_ImageData g_ppb_image_data_thunk = {
&GetNativeImageDataFormat,
&IsImageDataFormatSupported,
&Create,
&IsImageData,
&Describe,
&Map,
&Unmap,
};
} // namespace
const PPB_ImageData* GetPPB_ImageData_Thunk() {
return &g_ppb_image_data_thunk;
}
} // namespace thunk
} // namespace ppapi
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