Paul Gofman : ddraw: Fix vertex buffer offset in d3d_execute_buffer_execute().

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: 596945d4a3a2072c9f4f17841c0cd2475a67909e
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=596945d4a3a2072c9f4f17841...

Author: Paul Gofman 
Date:   Tue Oct 29 16:19:06 2019 +0300

ddraw: Fix vertex buffer offset in d3d_execute_buffer_execute().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=34666
Signed-off-by: Paul Gofman 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 2e4b8eaf626f88031a7e81a0e625ecd0ea318072)
Signed-off-by: Michael Stefaniuc

---

dlls/ddraw/executebuffer.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/ddraw/executebuffer.c b/dlls/ddraw/executebuffer.c
index 6f00d75562..fc47b4510f 100644
--- a/dlls/ddraw/executebuffer.c
+++ b/dlls/ddraw/executebuffer.c
@@ -121,7 +121,6 @@ HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *buffer,
                 }

index_count = count * primitive_size;
-
                 if (buffer->index_size < index_count)
                 {
                     unsigned int new_size = max(buffer->index_size * 2, index_count);
@@ -317,7 +316,7 @@ 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, buffer->src_vertex_pos, sizeof(D3DVERTEX));
+                                    buffer->src_vertex_buffer, buffer->src_vertex_pos * sizeof(D3DVERTEX), sizeof(D3DVERTEX));
                             wined3d_device_set_render_state(device->wined3d_device, WINED3D_RS_LIGHTING,
                                     op == D3DPROCESSVERTICES_TRANSFORMLIGHT && !!device->material);
                             wined3d_device_set_vertex_declaration(device->wined3d_device,