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ddraw: Move the index buffer growing code to a separate function.

This commit is contained in:
Stefan Dösinger 2012-12-18 10:44:58 +01:00 committed by Alexandre Julliard
parent ea40a3a8b5
commit 6deaa02fda
2 changed files with 46 additions and 31 deletions
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6
dlls/ddraw/ddraw_private.h
View File

@ -275,9 +275,9 @@ struct d3d_device
IUnknown *outer_unknown;
struct wined3d_device *wined3d_device;
struct ddraw *ddraw;
struct wined3d_buffer *indexbuffer;
UINT indexbuffer_size;
UINT indexbuffer_pos;
struct wined3d_buffer *index_buffer;
UINT index_buffer_size;
UINT index_buffer_pos;
struct ddraw_surface *target;
/* Viewport management */

71
dlls/ddraw/device.c
View File

@ -1,7 +1,7 @@
/*
* Copyright (c) 1998-2004 Lionel Ulmer
* Copyright (c) 2002-2005 Christian Costa
* Copyright (c) 2006 Stefan Dösinger
* Copyright (c) 2006-2009, 2011-2012 Stefan Dösinger
* Copyright (c) 2008 Alexander Dorofeyev
*
* This library is free software; you can redistribute it and/or
@ -240,7 +240,8 @@ static ULONG WINAPI d3d_device_inner_Release(IUnknown *iface)
* care of that on uninit_3d(). */
/* Free the index buffer. */
if (This->indexbuffer) wined3d_buffer_decref(This->indexbuffer);
if (This->index_buffer)
wined3d_buffer_decref(This->index_buffer);
/* Set the device up to render to the front buffer since the back
* buffer will vanish soon. */
@ -3485,6 +3486,35 @@ static HRESULT WINAPI d3d_device2_DrawPrimitive(IDirect3DDevice2 *iface,
* For details, see IWineD3DDevice::DrawIndexedPrimitiveUP
*
*****************************************************************************/
/* The caller is responsible for wined3d locking */
static HRESULT d3d_device_prepare_index_buffer(struct d3d_device *device, UINT min_size)
{
HRESULT hr;
if (device->index_buffer_size < min_size || !device->index_buffer)
{
UINT size = max(device->index_buffer_size * 2, min_size);
struct wined3d_buffer *buffer;
TRACE("Growing index buffer to %u bytes\n", size);
hr = wined3d_buffer_create_ib(device->wined3d_device, size, WINED3DUSAGE_DYNAMIC | WINED3DUSAGE_WRITEONLY,
WINED3D_POOL_DEFAULT, NULL, &ddraw_null_wined3d_parent_ops, &buffer);
if (FAILED(hr))
{
ERR("(%p) wined3d_buffer_create_ib failed with hr = %08x\n", device, hr);
return hr;
}
if (device->index_buffer)
wined3d_buffer_decref(device->index_buffer);
device->index_buffer = buffer;
device->index_buffer_size = size;
device->index_buffer_pos = 0;
}
return D3D_OK;
}
static HRESULT d3d_device7_DrawIndexedPrimitive(IDirect3DDevice7 *iface,
D3DPRIMITIVETYPE primitive_type, DWORD fvf, void *vertices, DWORD vertex_count,
WORD *indices, DWORD index_count, DWORD flags)
@ -4014,7 +4044,6 @@ static HRESULT WINAPI d3d_device3_DrawPrimitiveVB(IDirect3DDevice3 *iface, D3DPR
PrimitiveType, &vb->IDirect3DVertexBuffer7_iface, StartVertex, NumVertices, Flags);
}
/*****************************************************************************
* IDirect3DDevice7::DrawIndexedPrimitiveVB
*
@ -4041,7 +4070,7 @@ static HRESULT d3d_device7_DrawIndexedPrimitiveVB(IDirect3DDevice7 *iface,
DWORD stride = get_flexible_vertex_size(vb->fvf);
WORD *LockedIndices;
HRESULT hr;
UINT ib_pos = This->indexbuffer_pos;
UINT ib_pos;
TRACE("iface %p, primitive_type %#x, vb %p, start_vertex %u, vertex_count %u, indices %p, index_count %u, flags %#x.\n",
iface, PrimitiveType, D3DVertexBuf, StartVertex, NumVertices, Indices, IndexCount, Flags);
@ -4057,36 +4086,22 @@ static HRESULT d3d_device7_DrawIndexedPrimitiveVB(IDirect3DDevice7 *iface,
wined3d_device_set_vertex_declaration(This->wined3d_device, vb->wineD3DVertexDeclaration);
if (This->indexbuffer_size < IndexCount * sizeof(WORD))
hr = d3d_device_prepare_index_buffer(This, IndexCount * sizeof(WORD));
if (FAILED(hr))
{
UINT size = max(This->indexbuffer_size * 2, IndexCount * sizeof(WORD));
struct wined3d_buffer *buffer;
TRACE("Growing index buffer to %u bytes\n", size);
hr = wined3d_buffer_create_ib(This->wined3d_device, size, WINED3DUSAGE_DYNAMIC | WINED3DUSAGE_WRITEONLY,
WINED3D_POOL_DEFAULT, NULL, &ddraw_null_wined3d_parent_ops, &buffer);
if (FAILED(hr))
{
ERR("(%p) wined3d_buffer_create_ib failed with hr = %08x\n", This, hr);
wined3d_mutex_unlock();
return hr;
}
if (This->indexbuffer) wined3d_buffer_decref(This->indexbuffer);
This->indexbuffer = buffer;
This->indexbuffer_size = size;
ib_pos = 0;
wined3d_mutex_unlock();
return hr;
}
ib_pos = This->index_buffer_pos;
if (This->indexbuffer_size - IndexCount * sizeof(WORD) < ib_pos)
if (This->index_buffer_size - IndexCount * sizeof(WORD) < ib_pos)
ib_pos = 0;
/* Copy the index stream into the index buffer. A new IWineD3DDevice
* method could be created which takes an user pointer containing the
* indices or a SetData-Method for the index buffer, which overrides the
* index buffer data with our pointer. */
hr = wined3d_buffer_map(This->indexbuffer, ib_pos, IndexCount * sizeof(WORD),
hr = wined3d_buffer_map(This->index_buffer, ib_pos, IndexCount * sizeof(WORD),
(BYTE **)&LockedIndices, ib_pos ? WINED3D_MAP_NOOVERWRITE : WINED3D_MAP_DISCARD);
if (FAILED(hr))
{
@ -4095,12 +4110,12 @@ static HRESULT d3d_device7_DrawIndexedPrimitiveVB(IDirect3DDevice7 *iface,
return hr;
}
memcpy(LockedIndices, Indices, IndexCount * sizeof(WORD));
wined3d_buffer_unmap(This->indexbuffer);
This->indexbuffer_pos = ib_pos + IndexCount * sizeof(WORD);
wined3d_buffer_unmap(This->index_buffer);
This->index_buffer_pos = ib_pos + IndexCount * sizeof(WORD);
/* Set the index stream */
wined3d_device_set_base_vertex_index(This->wined3d_device, StartVertex);
wined3d_device_set_index_buffer(This->wined3d_device, This->indexbuffer, WINED3DFMT_R16_UINT);
wined3d_device_set_index_buffer(This->wined3d_device, This->index_buffer, WINED3DFMT_R16_UINT);
/* Set the vertex stream source */
hr = wined3d_device_set_stream_source(This->wined3d_device, 0, vb->wineD3DVertexBuffer, 0, stride);