[PATCH 3/4] ddraw: Avoid redundant src vertex buffer discards.
Stefan Dösinger
stefandoesinger at gmx.at
Sun Nov 13 15:12:46 CST 2016
Signed-off-by: Stefan Dösinger <stefandoesinger at gmx.at>
---
dlls/ddraw/ddraw_private.h | 2 +-
dlls/ddraw/executebuffer.c | 23 ++++++++++++++++-------
2 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/dlls/ddraw/ddraw_private.h b/dlls/ddraw/ddraw_private.h
index 2f8737b..fe4603b 100644
--- a/dlls/ddraw/ddraw_private.h
+++ b/dlls/ddraw/ddraw_private.h
@@ -524,7 +524,7 @@ struct d3d_execute_buffer
/* This buffer will store the transformed vertices */
unsigned int index_size, index_pos;
- unsigned int vertex_size;
+ unsigned int vertex_size, src_vertex_pos;
struct wined3d_buffer *src_vertex_buffer, *dst_vertex_buffer, *index_buffer;
/* This flags is set to TRUE if we allocated ourselves the
diff --git a/dlls/ddraw/executebuffer.c b/dlls/ddraw/executebuffer.c
index 3ed18f1..44751b9 100644
--- a/dlls/ddraw/executebuffer.c
+++ b/dlls/ddraw/executebuffer.c
@@ -285,7 +285,7 @@ HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *buffer,
case D3DPROCESSVERTICES_TRANSFORMLIGHT:
case D3DPROCESSVERTICES_TRANSFORM:
wined3d_device_set_stream_source(device->wined3d_device, 0,
- buffer->src_vertex_buffer, 0, sizeof(D3DVERTEX));
+ buffer->src_vertex_buffer, buffer->src_vertex_pos, sizeof(D3DVERTEX));
if (op == D3DPROCESSVERTICES_TRANSFORMLIGHT)
{
wined3d_device_set_vertex_declaration(device->wined3d_device,
@@ -306,8 +306,8 @@ HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *buffer,
break;
case D3DPROCESSVERTICES_COPY:
- box.left = ci->wStart * sizeof(D3DTLVERTEX);
- box.right = (ci->wStart + ci->dwCount) * sizeof(D3DTLVERTEX);
+ box.left = (buffer->src_vertex_pos + ci->wStart) * sizeof(D3DTLVERTEX);
+ box.right = box.left + ci->dwCount * sizeof(D3DTLVERTEX);
box.top = box.front = 0;
box.bottom = box.back = 1;
wined3d_device_copy_sub_resource_region(device->wined3d_device,
@@ -559,6 +559,9 @@ static HRESULT WINAPI d3d_execute_buffer_SetExecuteData(IDirect3DExecuteBuffer *
TRACE("iface %p, data %p.\n", iface, data);
+ /* Skip past previous vertex data. */
+ buffer->src_vertex_pos += buffer->data.dwVertexCount;
+
if (buffer->vertex_size < data->dwVertexCount)
{
unsigned int new_size = max(data->dwVertexCount, buffer->vertex_size * 2);
@@ -587,18 +590,24 @@ static HRESULT WINAPI d3d_execute_buffer_SetExecuteData(IDirect3DExecuteBuffer *
buffer->src_vertex_buffer = src_buffer;
buffer->dst_vertex_buffer = dst_buffer;
buffer->vertex_size = new_size;
+ buffer->src_vertex_pos = 0;
+ }
+ else if (buffer->vertex_size - data->dwVertexCount < buffer->src_vertex_pos)
+ {
+ buffer->src_vertex_pos = 0;
}
if (data->dwVertexCount)
{
- box.left = 0;
- box.right = data->dwVertexCount * sizeof(D3DVERTEX);
+ box.left = buffer->src_vertex_pos * sizeof(D3DVERTEX);
+ box.right = box.left + data->dwVertexCount * sizeof(D3DVERTEX);
hr = wined3d_resource_map(wined3d_buffer_get_resource(buffer->src_vertex_buffer), 0,
- &map_desc, &box, WINED3D_MAP_DISCARD);
+ &map_desc, &box, buffer->src_vertex_pos ? WINED3D_MAP_NOOVERWRITE : WINED3D_MAP_DISCARD);
if (FAILED(hr))
return hr;
- memcpy(map_desc.data, ((BYTE *)buffer->desc.lpData) + data->dwVertexOffset, box.right);
+ memcpy(map_desc.data, ((BYTE *)buffer->desc.lpData) + data->dwVertexOffset,
+ data->dwVertexCount * sizeof(D3DVERTEX));
wined3d_resource_unmap(wined3d_buffer_get_resource(buffer->src_vertex_buffer), 0);
}
--
2.7.3
More information about the wine-patches
mailing list