From a3330b072ef90cc5b17f2362e709554112878b4b Mon Sep 17 00:00:00 2001
From: Connor Fitzgerald <connorwadefitzgerald@gmail.com>
Date: Sat, 27 Jun 2020 20:39:26 -0400
Subject: [PATCH] Allow DX12 Backend to work with strides of 0

---
 src/backend/dx12/src/command.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/backend/dx12/src/command.rs b/src/backend/dx12/src/command.rs
index 448838c6d8b..c03b4cdc9f3 100644
--- a/src/backend/dx12/src/command.rs
+++ b/src/backend/dx12/src/command.rs
@@ -2477,7 +2477,9 @@ impl com::CommandBuffer<Backend> for CommandBuffer {
         draw_count: DrawCount,
         stride: u32,
     ) {
-        assert_eq!(stride, 16);
+        if stride != 0 {
+            assert_eq!(stride, 16);
+        }
         let buffer = buffer.expect_bound();
         self.set_graphics_bind_point();
         self.raw.ExecuteIndirect(
@@ -2497,7 +2499,9 @@ impl com::CommandBuffer<Backend> for CommandBuffer {
         draw_count: DrawCount,
         stride: u32,
     ) {
-        assert_eq!(stride, 20);
+        if stride != 0 {
+            assert_eq!(stride, 20);
+        }
         let buffer = buffer.expect_bound();
         self.set_graphics_bind_point();
         self.raw.ExecuteIndirect(
@@ -2519,7 +2523,9 @@ impl com::CommandBuffer<Backend> for CommandBuffer {
         max_draw_count: DrawCount,
         stride: u32
     ) {
-        assert_eq!(stride, 16);
+        if stride != 0 {
+            assert_eq!(stride, 16);
+        }
         let buffer = buffer.expect_bound();
         let count_buffer = count_buffer.expect_bound();
         self.set_graphics_bind_point();
@@ -2542,7 +2548,9 @@ impl com::CommandBuffer<Backend> for CommandBuffer {
         max_draw_count: DrawCount,
         stride: u32
     ) {
-        assert_eq!(stride, 20);
+        if stride != 0 {
+            assert_eq!(stride, 20);
+        }
         let buffer = buffer.expect_bound();
         let count_buffer = count_buffer.expect_bound();
         self.set_graphics_bind_point();