Józef Kucia : vkd3d: Avoid passing invalid viewport to Vulkan.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 70822141b73eaf699d2696f4c7cc9a5b72a22be6
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=70822141b73eaf699d2696f4...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Thu Feb 14 12:22:34 2019 +0100

vkd3d: Avoid passing invalid viewport to Vulkan.

Needs more tests.

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 libs/vkd3d/command.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 4a9f7c4..7457ae3 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -2953,6 +2953,12 @@ static void STDMETHODCALLTYPE d3d12_command_list_RSSetViewports(ID3D12GraphicsCo
         vk_viewports[i].height = -viewports[i].Height;
         vk_viewports[i].minDepth = viewports[i].MinDepth;
         vk_viewports[i].maxDepth = viewports[i].MaxDepth;
+
+        if (!vk_viewports[i].width || !vk_viewports[i].height)
+        {
+            FIXME("Invalid viewport %u, ignoring RSSetViewports().\n", i);
+            return;
+        }
     }
 
     vk_procs = &list->device->vk_procs;