/*
* 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 "indexbuffer9.h"
#include "device9.h"
#include "nine_helpers.h"
#include "nine_pipe.h"
#include "nine_dump.h"
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_format.h"
#include "util/u_box.h"
#define DBG_CHANNEL DBG_INDEXBUFFER
HRESULT
NineIndexBuffer9_ctor( struct NineIndexBuffer9 *This,
struct NineUnknownParams *pParams,
D3DINDEXBUFFER_DESC *pDesc )
{
struct pipe_resource *info = &This->base.info;
HRESULT hr;
DBG("This=%p pParams=%p pDesc=%p Usage=%s\n",
This, pParams, pDesc, nine_D3DUSAGE_to_str(pDesc->Usage));
This->pipe = pParams->device->pipe;
info->screen = pParams->device->screen;
info->target = PIPE_BUFFER;
info->format = PIPE_FORMAT_R8_UNORM;
info->width0 = pDesc->Size;
info->flags = 0;
info->bind = PIPE_BIND_INDEX_BUFFER | PIPE_BIND_TRANSFER_WRITE;
if (!(pDesc->Usage & D3DUSAGE_WRITEONLY))
info->bind |= PIPE_BIND_TRANSFER_READ;
info->usage = PIPE_USAGE_DEFAULT;
if (pDesc->Usage & D3DUSAGE_DYNAMIC)
info->usage = PIPE_USAGE_STREAM;
if (pDesc->Pool == D3DPOOL_SYSTEMMEM)
info->usage = PIPE_USAGE_STAGING;
/* if (pDesc->Usage & D3DUSAGE_DONOTCLIP) { } */
/* if (pDesc->Usage & D3DUSAGE_NONSECURE) { } */
/* if (pDesc->Usage & D3DUSAGE_NPATCHES) { } */
/* if (pDesc->Usage & D3DUSAGE_POINTS) { } */
/* if (pDesc->Usage & D3DUSAGE_RTPATCHES) { } */
if (pDesc->Usage & D3DUSAGE_SOFTWAREPROCESSING)
DBG("Application asked for Software Vertex Processing, "
"but this is unimplemented\n");
info->height0 = 1;
info->depth0 = 1;
info->array_size = 1;
info->last_level = 0;
info->nr_samples = 0;
hr = NineResource9_ctor(&This->base, pParams, NULL, TRUE, D3DRTYPE_INDEXBUFFER,
pDesc->Pool, pDesc->Usage);
if (FAILED(hr))
return hr;
This->buffer.buffer = This->base.resource;
This->buffer.offset = 0;
This->map_count = 0;
switch (pDesc->Format) {
case D3DFMT_INDEX16: This->buffer.index_size = 2; break;
case D3DFMT_INDEX32: This->buffer.index_size = 4; break;
default:
user_assert(!"Invalid index format.", D3DERR_INVALIDCALL);
break;
}
This->buffer.user_buffer = NULL;
pDesc->Type = D3DRTYPE_INDEXBUFFER;
This->desc = *pDesc;
return D3D_OK;
}
void
NineIndexBuffer9_dtor( struct NineIndexBuffer9 *This )
{
if (This->transfer) { NineIndexBuffer9_Unlock(This); }
NineResource9_dtor(&This->base);
}
const struct pipe_index_buffer *
NineIndexBuffer9_GetBuffer( struct NineIndexBuffer9 *This )
{
return &This->buffer;
}
HRESULT WINAPI
NineIndexBuffer9_Lock( struct NineIndexBuffer9 *This,
UINT OffsetToLock,
UINT SizeToLock,
void **ppbData,
DWORD Flags )
{
struct pipe_box box;
void *data;
UINT count;
const unsigned usage = d3dlock_buffer_to_pipe_transfer_usage(Flags);
DBG("This=%p OffsetToLock=%u SizeToLock=%u ppbData=%p Flags=%i "
"transfer=%p map_count=%u\n", This, OffsetToLock,
SizeToLock, ppbData, Flags, This->transfer, This->map_count);
count = ++This->map_count;
if (SizeToLock == 0) {
SizeToLock = This->desc.Size - OffsetToLock;
user_warn(OffsetToLock != 0);
}
u_box_1d(OffsetToLock, SizeToLock, &box);
if (unlikely(count != 1)) {
DBG("Lock has been called on already locked buffer."
"Unmapping before mapping again.");
This->pipe->transfer_unmap(This->pipe, This->transfer);
}
data = This->pipe->transfer_map(This->pipe, This->base.resource, 0,
usage, &box, &This->transfer);
if (!This->transfer) {
DBG("pipe::transfer_map failed\n"
" usage = %u\n"
" box.x = %u\n"
" box.width = %u\n",
usage, box.x, box.width);
}
*ppbData = data;
DBG("Returning memory at %p at address %p\n", *ppbData, ppbData);
return D3D_OK;
}
HRESULT WINAPI
NineIndexBuffer9_Unlock( struct NineIndexBuffer9 *This )
{
DBG("This=%p\n", This);
if (!This->map_count) {
DBG("Unmap called without a previous map call.\n");
return D3D_OK;
}
if (--This->map_count) {
DBG("Ignoring unmap.\n");
return D3D_OK;
}
This->pipe->transfer_unmap(This->pipe, This->transfer);
This->transfer = NULL;
return D3D_OK;
}
HRESULT WINAPI
NineIndexBuffer9_GetDesc( struct NineIndexBuffer9 *This,
D3DINDEXBUFFER_DESC *pDesc )
{
user_assert(pDesc, E_POINTER);
*pDesc = This->desc;
return D3D_OK;
}
IDirect3DIndexBuffer9Vtbl NineIndexBuffer9_vtable = {
(void *)NineUnknown_QueryInterface,
(void *)NineUnknown_AddRef,
(void *)NineUnknown_Release,
(void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
(void *)NineResource9_SetPrivateData,
(void *)NineResource9_GetPrivateData,
(void *)NineResource9_FreePrivateData,
(void *)NineResource9_SetPriority,
(void *)NineResource9_GetPriority,
(void *)NineResource9_PreLoad,
(void *)NineResource9_GetType,
(void *)NineIndexBuffer9_Lock,
(void *)NineIndexBuffer9_Unlock,
(void *)NineIndexBuffer9_GetDesc
};
static const GUID *NineIndexBuffer9_IIDs[] = {
&IID_IDirect3DIndexBuffer9,
&IID_IDirect3DResource9,
&IID_IUnknown,
NULL
};
HRESULT
NineIndexBuffer9_new( struct NineDevice9 *pDevice,
D3DINDEXBUFFER_DESC *pDesc,
struct NineIndexBuffer9 **ppOut )
{
NINE_DEVICE_CHILD_NEW(IndexBuffer9, ppOut, /* args */ pDevice, pDesc);
}