Conor McCarthy : vkd3d: Treat negative viewport widths as invalid.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: a4a95aa950be7cc305b8c150904f944b80fc5d45
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/a4a95aa950be7cc305b8c150904f94...

Author: Conor McCarthy <cmccarthy(a)codeweavers.com>
Date:   Thu Apr 20 17:40:24 2023 +1000

vkd3d: Treat negative viewport widths as invalid.

Negative widths are not supported in Vulkan.

---

 libs/vkd3d/command.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 228429ec..8b857695 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -3963,7 +3963,7 @@ static void STDMETHODCALLTYPE d3d12_command_list_RSSetViewports(ID3D12GraphicsCo
         vk_viewports[i].minDepth = viewports[i].MinDepth;
         vk_viewports[i].maxDepth = viewports[i].MaxDepth;
 
-        if (!vk_viewports[i].width)
+        if (vk_viewports[i].width <= 0.0f)
         {
             /* Vulkan does not support width <= 0 */
             FIXME_ONCE("Setting invalid viewport %u to zero height.\n", i);