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106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
#pragma once
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#include <vector>
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#include "com_include.h"
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namespace dxvk {
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/**
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* \brief Data entry for private storage
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* Stores a single private storage item.
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*/
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class ComPrivateDataEntry {
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public:
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ComPrivateDataEntry();
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ComPrivateDataEntry(
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REFGUID guid,
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UINT size,
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const void* data);
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ComPrivateDataEntry(
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REFGUID guid,
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const IUnknown* iface);
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~ComPrivateDataEntry();
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ComPrivateDataEntry (ComPrivateDataEntry&& other);
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ComPrivateDataEntry& operator = (ComPrivateDataEntry&& other);
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/**
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* \brief The entry's GUID
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* \returns The GUID
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*/
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REFGUID guid() const {
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return m_guid;
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}
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/**
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* \brief Checks whether the GUID matches another one
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*
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* GUIDs are used to identify private data entries.
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* \param [in] guid The GUID to compare to
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* \returns \c true if this entry holds the same GUID
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*/
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bool hasGuid(REFGUID guid) const {
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return m_guid == guid;
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}
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/**
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* \brief Retrieves stored data
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*
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* \param [in,out] size Destination buffer size
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* \param [in] data Appliaction-provided buffer
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* \returns \c S_OK on success, or \c DXGI_ERROR_MORE_DATA
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* if the destination buffer is too small
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*/
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HRESULT get(UINT& size, void* data) const;
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private:
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GUID m_guid = __uuidof(IUnknown);
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UINT m_size = 0;
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void* m_data = nullptr;
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IUnknown* m_iface = nullptr;
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void destroy();
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};
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/**
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* \brief Private storage for DXGI objects
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*
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* Provides storage for application-defined
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* byte arrays or COM interfaces that can be
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* retrieved using GUIDs.
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*/
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class ComPrivateData {
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public:
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HRESULT setData(
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REFGUID guid,
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UINT size,
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const void* data);
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HRESULT setInterface(
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REFGUID guid,
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const IUnknown* iface);
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HRESULT getData(
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REFGUID guid,
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UINT* size,
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void* data);
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private:
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std::vector<ComPrivateDataEntry> m_entries;
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ComPrivateDataEntry* findEntry(REFGUID guid);
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void insertEntry(ComPrivateDataEntry&& entry);
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};
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}
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