[PATCH v2 1/3] wined3d: Make sure scissor offsets are not negative.

[Jan Sikorski]

Signed-off-by: Jan Sikorski 
---
v2: Added a reference to the spec that mandates this.
---
 dlls/wined3d/context_vk.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/wined3d/context_vk.c b/dlls/wined3d/context_vk.c
index fbc1e294fcd..83b1d081514 100644
--- a/dlls/wined3d/context_vk.c
+++ b/dlls/wined3d/context_vk.c
@@ -2204,6 +2204,11 @@ static bool wined3d_context_vk_update_graphics_pipeline_key(struct wined3d_conte
             key->scissor.extent.width = key->viewport.width;
             key->scissor.extent.height = key->viewport.height;
         }
+        /* Scissor offsets need to be non-negative (VUID-VkPipelineViewportStateCreateInfo-x-02821) */
+        if (key->scissor.offset.x < 0)
+            key->scissor.offset.x = 0;
+        if (key->scissor.offset.y < 0)
+            key->scissor.offset.y = 0;
         key->viewport.y += key->viewport.height;
         key->viewport.height = -key->viewport.height;