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d3d8: Clamp index buffer upload range to buffer size. 

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2019-01-15 15:28:00 +01:00 committed by Alexandre Julliard
parent a382c7911c
commit a2829a6529
1 changed files with 7 additions and 3 deletions
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10
dlls/d3d8/device.c
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@ -2301,8 +2301,10 @@ static void d3d8_device_upload_sysmem_index_buffer(struct d3d8_device *device,
unsigned int start_idx, unsigned int idx_count)
{
struct wined3d_box box = {0, 0, 0, 1, 0, 1};
struct d3d8_vertexbuffer *d3d8_buffer;
struct wined3d_resource *dst_resource;
struct d3d8_indexbuffer *d3d8_buffer;
struct wined3d_buffer *dst_buffer;
struct wined3d_resource_desc desc;
enum wined3d_format_id format;
unsigned int offset, idx_size;
HRESULT hr;
@ -2313,11 +2315,13 @@ static void d3d8_device_upload_sysmem_index_buffer(struct d3d8_device *device,
if (!(dst_buffer = wined3d_device_get_index_buffer(device->wined3d_device, &format, &offset)))
ERR("Failed to get index buffer.\n");
d3d8_buffer = wined3d_buffer_get_parent(dst_buffer);
dst_resource = wined3d_buffer_get_resource(dst_buffer);
wined3d_resource_get_desc(dst_resource, &desc);
idx_size = format == WINED3DFMT_R16_UINT ? 2 : 4;
box.left = offset + start_idx * idx_size;
box.right = box.left + idx_count * idx_size;
box.right = min(box.left + idx_count * idx_size, 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(d3d8_buffer->wined3d_buffer), 0, &box, 0)))
ERR("Failed to update buffer.\n");
}