add SDL3 repository to game engine

test/testgpu/overlay.vert.hlsl

@@ -1,25 +1,25 @@
-
-#include "overlay.hlsli"
-
-static const uint verts[6] = {0, 1, 2, 0, 2, 3};
-static const float2 uvs[4] = {
-    {0.0f, 0.0f},
-    {1.0f, 0.0f},
-    {1.0f, 1.0f},
-    {0.0f, 1.0f}
-};
-static const float2 pos[4] = {
-    {-1.0f, 1.0f},
-    {1.0f, 1.0f},
-    {1.0f, -1.0f},
-    {-1.0f, -1.0f}
-};
-
-VSOutput main(uint id : SV_VertexID)
-{
-    VSOutput output;
-    uint vert = verts[id];
-    output.uv = uvs[vert];
-    output.pos = float4(pos[vert], 0.0f, 1.0f);
-    return output;
-}
+
+#include "overlay.hlsli"
+
+static const uint verts[6] = {0, 1, 2, 0, 2, 3};
+static const float2 uvs[4] = {
+    {0.0f, 0.0f},
+    {1.0f, 0.0f},
+    {1.0f, 1.0f},
+    {0.0f, 1.0f}
+};
+static const float2 pos[4] = {
+    {-1.0f, 1.0f},
+    {1.0f, 1.0f},
+    {1.0f, -1.0f},
+    {-1.0f, -1.0f}
+};
+
+VSOutput main(uint id : SV_VertexID)
+{
+    VSOutput output;
+    uint vert = verts[id];
+    output.uv = uvs[vert];
+    output.pos = float4(pos[vert], 0.0f, 1.0f);
+    return output;
+}