=?UTF-8?Q?Stefan=20D=C3=B6singer=20?=: ddraw: Align user vertex data.
Alexandre Julliard
julliard at winehq.org
Tue Dec 18 13:49:05 CST 2012
Module: wine
Branch: master
Commit: 3b197749f94eda1f5bb2793d76d18477e32c5a15
URL: http://source.winehq.org/git/wine.git/?a=commit;h=3b197749f94eda1f5bb2793d76d18477e32c5a15
Author: Stefan Dösinger <stefan at codeweavers.com>
Date: Tue Dec 18 10:45:01 2012 +0100
ddraw: Align user vertex data.
---
dlls/ddraw/device.c | 28 +++++++++++++++++-----------
1 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/dlls/ddraw/device.c b/dlls/ddraw/device.c
index d7b8bd2..601c96e 100644
--- a/dlls/ddraw/device.c
+++ b/dlls/ddraw/device.c
@@ -3415,7 +3415,7 @@ static HRESULT d3d_device7_DrawPrimitive(IDirect3DDevice7 *iface,
DWORD vertex_count, DWORD flags)
{
struct d3d_device *device = impl_from_IDirect3DDevice7(iface);
- UINT stride, vb_pos, size;
+ UINT stride, vb_pos, size, align;
HRESULT hr;
BYTE *data;
@@ -3434,11 +3434,13 @@ static HRESULT d3d_device7_DrawPrimitive(IDirect3DDevice7 *iface,
if (FAILED(hr))
goto done;
- /* TODO: Align the map position to the vertex size and use the draw start vertex
- * parameter instead of the per-stream offset */
vb_pos = device->vertex_buffer_pos;
- if (device->vertex_buffer_size - size < vb_pos)
+ align = vb_pos % stride;
+ if (align) align = stride - align;
+ if (vb_pos + size + align > device->vertex_buffer_size)
vb_pos = 0;
+ else
+ vb_pos += align;
hr = wined3d_buffer_map(device->vertex_buffer, vb_pos, size, &data,
vb_pos ? WINED3D_MAP_NOOVERWRITE : WINED3D_MAP_DISCARD);
@@ -3448,13 +3450,13 @@ static HRESULT d3d_device7_DrawPrimitive(IDirect3DDevice7 *iface,
wined3d_buffer_unmap(device->vertex_buffer);
device->vertex_buffer_pos = vb_pos + size;
- hr = wined3d_device_set_stream_source(device->wined3d_device, 0, device->vertex_buffer, vb_pos, stride);
+ hr = wined3d_device_set_stream_source(device->wined3d_device, 0, device->vertex_buffer, 0, stride);
if (FAILED(hr))
goto done;
wined3d_device_set_vertex_declaration(device->wined3d_device, ddraw_find_decl(device->ddraw, fvf));
wined3d_device_set_primitive_type(device->wined3d_device, primitive_type);
- hr = wined3d_device_draw_primitive(device->wined3d_device, 0, vertex_count);
+ hr = wined3d_device_draw_primitive(device->wined3d_device, vb_pos / stride, vertex_count);
done:
wined3d_mutex_unlock();
@@ -3580,7 +3582,7 @@ static HRESULT d3d_device7_DrawIndexedPrimitive(IDirect3DDevice7 *iface,
HRESULT hr;
UINT stride = get_flexible_vertex_size(fvf);
UINT vtx_size = stride * vertex_count, idx_size = index_count * sizeof(*indices);
- UINT vb_pos, ib_pos;
+ UINT vb_pos, ib_pos, align;
BYTE *data;
TRACE("iface %p, primitive_type %#x, fvf %#x, vertices %p, vertex_count %u, "
@@ -3594,11 +3596,13 @@ static HRESULT d3d_device7_DrawIndexedPrimitive(IDirect3DDevice7 *iface,
if (FAILED(hr))
goto done;
- /* TODO: Align the map position to the vertex size and use the draw start vertex
- * parameter instead of the per-stream offset */
vb_pos = device->vertex_buffer_pos;
- if (device->vertex_buffer_size - vtx_size < vb_pos)
+ align = vb_pos % stride;
+ if (align) align = stride - align;
+ if (vb_pos + vtx_size + align > device->vertex_buffer_size)
vb_pos = 0;
+ else
+ vb_pos += align;
hr = wined3d_buffer_map(device->vertex_buffer, vb_pos, vtx_size, &data,
vb_pos ? WINED3D_MAP_NOOVERWRITE : WINED3D_MAP_DISCARD);
@@ -3623,13 +3627,14 @@ static HRESULT d3d_device7_DrawIndexedPrimitive(IDirect3DDevice7 *iface,
wined3d_buffer_unmap(device->index_buffer);
device->index_buffer_pos = ib_pos + idx_size;
- hr = wined3d_device_set_stream_source(device->wined3d_device, 0, device->vertex_buffer, vb_pos, stride);
+ hr = wined3d_device_set_stream_source(device->wined3d_device, 0, device->vertex_buffer, 0, stride);
if (FAILED(hr))
goto done;
wined3d_device_set_index_buffer(device->wined3d_device, device->index_buffer, WINED3DFMT_R16_UINT);
wined3d_device_set_vertex_declaration(device->wined3d_device, ddraw_find_decl(device->ddraw, fvf));
wined3d_device_set_primitive_type(device->wined3d_device, primitive_type);
+ wined3d_device_set_base_vertex_index(device->wined3d_device, vb_pos / stride);
hr = wined3d_device_draw_indexed_primitive(device->wined3d_device, ib_pos / sizeof(*indices), index_count);
done:
@@ -4010,6 +4015,7 @@ static HRESULT d3d_device7_DrawIndexedPrimitiveStrided(IDirect3DDevice7 *iface,
/* WineD3D doesn't need the FVF here */
wined3d_mutex_lock();
wined3d_device_set_primitive_type(device->wined3d_device, PrimitiveType);
+ wined3d_device_set_base_vertex_index(device->wined3d_device, 0);
hr = wined3d_device_draw_indexed_primitive_strided(device->wined3d_device,
IndexCount, &wined3d_strided, VertexCount, Indices, WINED3DFMT_R16_UINT);
wined3d_mutex_unlock();
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