Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
---
dlls/d3d9/device.c | 8 ++++++--
dlls/d3d9/tests/visual.c | 2 +-
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 9ebaebab969d..8ade5beedb45 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -2712,8 +2712,10 @@ static void d3d9_device_upload_sysmem_vertex_buffers(struct d3d9_device *device,
{
struct wined3d_box box = {0, 0, 0, 1, 0, 1};
struct d3d9_vertexbuffer *d3d9_buffer;
+ struct wined3d_resource *dst_resource;
unsigned int i, offset, stride, map;
struct wined3d_buffer *dst_buffer;
+ struct wined3d_resource_desc desc;
HRESULT hr;
if (!device->sysmem_vb)
@@ -2733,10 +2735,12 @@ static void d3d9_device_upload_sysmem_vertex_buffers(struct d3d9_device *device,
if (FAILED(hr = wined3d_device_get_stream_source(device->wined3d_device, i, &dst_buffer, &offset, &stride)))
ERR("Failed to get stream source.\n");
d3d9_buffer = wined3d_buffer_get_parent(dst_buffer);
+ dst_resource = wined3d_buffer_get_resource(dst_buffer);
+ wined3d_resource_get_desc(dst_resource, &desc);
box.left = offset + start_vertex * stride;
- box.right = box.left + vertex_count * stride;
+ box.right = min(box.left + vertex_count * stride, desc.size);
if (FAILED(hr = wined3d_device_copy_sub_resource_region(device->wined3d_device,
- wined3d_buffer_get_resource(dst_buffer), 0, box.left, 0, 0,
+ dst_resource, 0, box.left, 0, 0,
wined3d_buffer_get_resource(d3d9_buffer->wined3d_buffer), 0, &box, 0)))
ERR("Failed to update buffer.\n");
}
diff --git a/dlls/d3d9/tests/visual.c b/dlls/d3d9/tests/visual.c
index 9a62f873dce3..fb7c3e4ea4ab 100644
--- a/dlls/d3d9/tests/visual.c
+++ b/dlls/d3d9/tests/visual.c
@@ -24510,7 +24510,7 @@ static void test_sysmem_draw(void)
hr = IDirect3DDevice9_BeginScene(device);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
- hr = IDirect3DDevice9_DrawIndexedPrimitive(device, D3DPT_TRIANGLESTRIP, 4, 0, 4, 0, 2);
+ hr = IDirect3DDevice9_DrawIndexedPrimitive(device, D3DPT_TRIANGLESTRIP, 4, 0, 5, 0, 2);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = IDirect3DDevice9_EndScene(device);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
--
2.19.2