Inital commit

vendor/rmlui_backend/RmlUi_SDL_GPU/shader_vert.vert

@@ -0,0 +1,28 @@
+cbuffer UniformBlockTransform : register(b0, space1) {
+    float4x4 Transform : packoffset(c0);
+};
+
+cbuffer UniformBlockTranslate : register(b1, space1) {
+    float2 Translate : packoffset(c0);
+};
+
+struct Input {
+    float2 Position : TEXCOORD0;
+    float4 InColor : TEXCOORD1;
+    float2 TexCoord : TEXCOORD2;
+};
+
+struct Output {
+    float4 Color : TEXCOORD0;
+    float2 TexCoord : TEXCOORD1;
+    float4 Position : SV_Position;
+};
+
+Output main(Input input) {
+    Output output;
+    output.TexCoord = input.TexCoord;
+    output.Color = input.InColor;
+    float4 position = float4(input.Position + Translate, 0, 1);
+    output.Position = mul(Transform, position);
+    return output;
+}