diff options
Diffstat (limited to 'ppapi/thunk/ppb_image_data_thunk.cc')
-rw-r--r-- | ppapi/thunk/ppb_image_data_thunk.cc | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/ppapi/thunk/ppb_image_data_thunk.cc b/ppapi/thunk/ppb_image_data_thunk.cc new file mode 100644 index 0000000..6f75d79 --- /dev/null +++ b/ppapi/thunk/ppb_image_data_thunk.cc @@ -0,0 +1,83 @@ +// 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 pp::shared_impl::ImageDataImpl::GetNativeImageDataFormat(); +} + +PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format) { + return pp::shared_impl::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 |