HRESULT vertexbuffer_init(struct d3d8_vertexbuffer *buffer, struct d3d8_device *device,
UINT size, DWORD usage, DWORD fvf, D3DPOOL pool)
{
const struct wined3d_parent_ops *parent_ops = &d3d8_null_wined3d_parent_ops;
struct wined3d_buffer_desc desc;
HRESULT hr;
if (pool == D3DPOOL_SCRATCH)
{
WARN("Vertex buffer with D3DPOOL_SCRATCH requested.\n");
return D3DERR_INVALIDCALL;
}
/* In d3d8, buffers can't be used as rendertarget or depth/stencil buffer. */
if (usage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL))
return D3DERR_INVALIDCALL;
buffer->IDirect3DVertexBuffer8_iface.lpVtbl = &Direct3DVertexBuffer8_Vtbl;
d3d8_resource_init(&buffer->resource);
buffer->fvf = fvf;
buffer->usage = usage;
desc.byte_width = size;
desc.usage = usage & WINED3DUSAGE_MASK;
desc.bind_flags = 0;
desc.access = wined3daccess_from_d3dpool(pool, usage) | map_access_from_usage(usage);
/* Buffers are always readable. */
if (pool != D3DPOOL_DEFAULT)
desc.access |= WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
desc.misc_flags = 0;
desc.structure_byte_stride = 0;
if (desc.access & WINED3D_RESOURCE_ACCESS_GPU)
{
desc.bind_flags = WINED3D_BIND_VERTEX_BUFFER;
parent_ops = &d3d8_vertexbuffer_wined3d_parent_ops;
}
wined3d_mutex_lock();
hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer, parent_ops, &buffer->wined3d_buffer);
if (SUCCEEDED(hr) && !(desc.access & WINED3D_RESOURCE_ACCESS_GPU))
{
desc.bind_flags = WINED3D_BIND_VERTEX_BUFFER;
desc.access = WINED3D_RESOURCE_ACCESS_GPU;
if (FAILED(hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer,
&d3d8_vertexbuffer_wined3d_parent_ops, &buffer->draw_buffer)))
wined3d_buffer_decref(buffer->wined3d_buffer);
}
wined3d_mutex_unlock();
if (FAILED(hr))
{
WARN("Failed to create wined3d buffer, hr %#x.\n", hr);
return hr;
}
buffer->parent_device = &device->IDirect3DDevice8_iface;
IDirect3DDevice8_AddRef(buffer->parent_device);
return D3D_OK;
}
HRESULT indexbuffer_init(struct d3d8_indexbuffer *buffer, struct d3d8_device *device,
UINT size, DWORD usage, D3DFORMAT format, D3DPOOL pool)
{
const struct wined3d_parent_ops *parent_ops = &d3d8_null_wined3d_parent_ops;
struct wined3d_buffer_desc desc;
HRESULT hr;
if (pool == D3DPOOL_SCRATCH)
return D3DERR_INVALIDCALL;
/* In d3d8, buffers can't be used as rendertarget or depth/stencil buffer. */
if (usage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL))
return D3DERR_INVALIDCALL;
desc.byte_width = size;
desc.usage = (usage & WINED3DUSAGE_MASK) | WINED3DUSAGE_STATICDECL;
desc.bind_flags = 0;
desc.access = wined3daccess_from_d3dpool(pool, usage)
| WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
desc.misc_flags = 0;
desc.structure_byte_stride = 0;
if (desc.access & WINED3D_RESOURCE_ACCESS_GPU)
{
desc.bind_flags = WINED3D_BIND_INDEX_BUFFER;
parent_ops = &d3d8_indexbuffer_wined3d_parent_ops;
}
buffer->IDirect3DIndexBuffer8_iface.lpVtbl = &d3d8_indexbuffer_vtbl;
d3d8_resource_init(&buffer->resource);
buffer->format = wined3dformat_from_d3dformat(format);
wined3d_mutex_lock();
hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer, parent_ops, &buffer->wined3d_buffer);
if (SUCCEEDED(hr) && !(desc.access & WINED3D_RESOURCE_ACCESS_GPU))
{
desc.bind_flags = WINED3D_BIND_INDEX_BUFFER;
desc.access = WINED3D_RESOURCE_ACCESS_GPU;
if (FAILED(hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer,
&d3d8_indexbuffer_wined3d_parent_ops, &buffer->draw_buffer)))
wined3d_buffer_decref(buffer->wined3d_buffer);
}
wined3d_mutex_unlock();
if (FAILED(hr))
{
WARN("Failed to create wined3d buffer, hr %#x.\n", hr);
return hr;
}
buffer->parent_device = &device->IDirect3DDevice8_iface;
IDirect3DDevice8_AddRef(buffer->parent_device);
return D3D_OK;
}
