[PATCH 2/5] wined3d: Validate constant buffer alignment.
Henri Verbeet
hverbeet at codeweavers.com
Thu May 25 05:04:03 CDT 2017
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
dlls/wined3d/buffer.c | 10 ++++++++--
dlls/wined3d/wined3d_private.h | 1 +
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index 3cf153b..ab2fea3 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -1380,8 +1380,14 @@ static HRESULT buffer_init(struct wined3d_buffer *buffer, struct wined3d_device
if (!size)
{
- WARN("Size 0 requested, returning WINED3DERR_INVALIDCALL.\n");
- return WINED3DERR_INVALIDCALL;
+ WARN("Size 0 requested, returning E_INVALIDARG.\n");
+ return E_INVALIDARG;
+ }
+
+ if (bind_flags & WINED3D_BIND_CONSTANT_BUFFER && size & (WINED3D_CONSTANT_BUFFER_ALIGNMENT - 1))
+ {
+ WARN("Size %#x is not suitably aligned for constant buffers.\n", size);
+ return E_INVALIDARG;
}
if (data && !data->data)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 321f4d5..1da788e 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2894,6 +2894,7 @@ void wined3d_resource_update_draw_binding(struct wined3d_resource *resource) DEC
/* Tests show that the start address of resources is 32 byte aligned */
#define RESOURCE_ALIGNMENT 16
+#define WINED3D_CONSTANT_BUFFER_ALIGNMENT 16
struct gl_texture
{
--
2.1.4
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