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/*
* Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "iunknown.h"
#include "util/u_atomic.h"
#include "util/u_hash_table.h"
#include "nine_helpers.h"
#include "nine_pdata.h"
#define DBG_CHANNEL DBG_UNKNOWN
HRESULT
NineUnknown_ctor( struct NineUnknown *This,
struct NineUnknownParams *pParams )
{
This->refs = pParams->container ? 0 : 1;
This->bind = 0;
This->forward = !This->refs;
This->container = pParams->container;
This->device = pParams->device;
if (This->refs && This->device)
NineUnknown_AddRef(NineUnknown(This->device));
This->vtable = pParams->vtable;
This->vtable_internal = pParams->vtable;
This->guids = pParams->guids;
This->dtor = pParams->dtor;
This->pdata = util_hash_table_create(ht_guid_hash, ht_guid_compare);
if (!This->pdata)
return E_OUTOFMEMORY;
return D3D_OK;
}
void
NineUnknown_dtor( struct NineUnknown *This )
{
if (This->refs && This->device) /* Possible only if early exit after a ctor failed */
(void) NineUnknown_Release(NineUnknown(This->device));
if (This->pdata) {
util_hash_table_foreach(This->pdata, ht_guid_delete, NULL);
util_hash_table_destroy(This->pdata);
}
FREE(This);
}
HRESULT NINE_WINAPI
NineUnknown_QueryInterface( struct NineUnknown *This,
REFIID riid,
void **ppvObject )
{
unsigned i = 0;
char guid_str[64];
DBG("This=%p riid=%p id=%s ppvObject=%p\n",
This, riid, riid ? GUID_sprintf(guid_str, riid) : "", ppvObject);
(void)guid_str;
if (!ppvObject) return E_POINTER;
do {
if (GUID_equal(This->guids[i], riid)) {
*ppvObject = This;
/* Tests showed that this call succeeds even on objects with
* zero refcount. This can happen if the app released all references
* but the resource is still bound.
*/
NineUnknown_AddRef(This);
return S_OK;
}
} while (This->guids[++i]);
*ppvObject = NULL;
return E_NOINTERFACE;
}
ULONG NINE_WINAPI
NineUnknown_AddRef( struct NineUnknown *This )
{
ULONG r;
if (This->forward)
return NineUnknown_AddRef(This->container);
else
r = p_atomic_inc_return(&This->refs);
if (r == 1) {
if (This->device)
NineUnknown_AddRef(NineUnknown(This->device));
/* This shouldn't be necessary:
if (This->container)
NineUnknown_Bind(NineUnknown(This->container)); */
}
return r;
}
ULONG NINE_WINAPI
NineUnknown_Release( struct NineUnknown *This )
{
if (This->forward)
return NineUnknown_Release(This->container);
ULONG r = p_atomic_dec_return(&This->refs);
if (r == 0) {
if (This->device) {
if (NineUnknown_Release(NineUnknown(This->device)) == 0)
return r; /* everything's gone */
}
if (This->container) {
/* NineUnknown_Unbind(NineUnknown(This->container)); */
} else
if (This->bind == 0) {
This->dtor(This);
}
}
return r;
}
HRESULT NINE_WINAPI
NineUnknown_GetDevice( struct NineUnknown *This,
IDirect3DDevice9 **ppDevice )
{
user_assert(ppDevice, E_POINTER);
NineUnknown_AddRef(NineUnknown(This->device));
*ppDevice = (IDirect3DDevice9 *)This->device;
return D3D_OK;
}
HRESULT NINE_WINAPI
NineUnknown_SetPrivateData( struct NineUnknown *This,
REFGUID refguid,
const void *pData,
DWORD SizeOfData,
DWORD Flags )
{
enum pipe_error err;
struct pheader *header;
const void *user_data = pData;
char guid_str[64];
void *header_data;
DBG("This=%p GUID=%s pData=%p SizeOfData=%u Flags=%x\n",
This, GUID_sprintf(guid_str, refguid), pData, SizeOfData, Flags);
(void)guid_str;
if (Flags & D3DSPD_IUNKNOWN)
user_assert(SizeOfData == sizeof(IUnknown *), D3DERR_INVALIDCALL);
/* data consists of a header and the actual data. avoiding 2 mallocs */
header = CALLOC_VARIANT_LENGTH_STRUCT(pheader, SizeOfData);
if (!header) { return E_OUTOFMEMORY; }
header->unknown = (Flags & D3DSPD_IUNKNOWN) ? TRUE : FALSE;
/* if the refguid already exists, delete it */
NineUnknown_FreePrivateData(This, refguid);
/* IUnknown special case */
if (header->unknown) {
/* here the pointer doesn't point to the data we want, so point at the
* pointer making what we eventually copy is the pointer itself */
user_data = &pData;
}
header->size = SizeOfData;
header_data = (void *)header + sizeof(*header);
memcpy(header_data, user_data, header->size);
memcpy(&header->guid, refguid, sizeof(header->guid));
err = util_hash_table_set(This->pdata, &header->guid, header);
if (err == PIPE_OK) {
if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header_data); }
return D3D_OK;
}
FREE(header);
if (err == PIPE_ERROR_OUT_OF_MEMORY) { return E_OUTOFMEMORY; }
return D3DERR_DRIVERINTERNALERROR;
}
HRESULT NINE_WINAPI
NineUnknown_GetPrivateData( struct NineUnknown *This,
REFGUID refguid,
void *pData,
DWORD *pSizeOfData )
{
struct pheader *header;
DWORD sizeofdata;
char guid_str[64];
void *header_data;
DBG("This=%p GUID=%s pData=%p pSizeOfData=%p\n",
This, GUID_sprintf(guid_str, refguid), pData, pSizeOfData);
(void)guid_str;
header = util_hash_table_get(This->pdata, refguid);
if (!header) { return D3DERR_NOTFOUND; }
user_assert(pSizeOfData, E_POINTER);
sizeofdata = *pSizeOfData;
*pSizeOfData = header->size;
if (!pData) {
return D3D_OK;
}
if (sizeofdata < header->size) {
return D3DERR_MOREDATA;
}
header_data = (void *)header + sizeof(*header);
if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header_data); }
memcpy(pData, header_data, header->size);
return D3D_OK;
}
HRESULT NINE_WINAPI
NineUnknown_FreePrivateData( struct NineUnknown *This,
REFGUID refguid )
{
struct pheader *header;
char guid_str[64];
DBG("This=%p GUID=%s\n", This, GUID_sprintf(guid_str, refguid));
(void)guid_str;
header = util_hash_table_get(This->pdata, refguid);
if (!header)
return D3DERR_NOTFOUND;
ht_guid_delete(NULL, header, NULL);
util_hash_table_remove(This->pdata, refguid);
return D3D_OK;
}
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