Squashed 'external/parallel-rdp/parallel-rdp-standalone/' content from commit 3f59f61f2c

git-subtree-dir: external/parallel-rdp/parallel-rdp-standalone
git-subtree-split: 3f59f61f2c1c56424356003041df5e4a10612049

parallel-rdp/shaders/vi_deinterlace.vert

@@ -0,0 +1,41 @@
+#version 450
+/* Copyright (c) 2020 Themaister
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+layout(location = 0) out vec2 vUV;
+
+layout(push_constant) uniform UBO
+{
+    float y_offset;
+} registers;
+
+void main()
+{
+    if (gl_VertexIndex == 0)
+        gl_Position = vec4(-1.0, -1.0, 0.0, 1.0);
+    else if (gl_VertexIndex == 1)
+        gl_Position = vec4(-1.0, +3.0, 0.0, 1.0);
+    else
+        gl_Position = vec4(+3.0, -1.0, 0.0, 1.0);
+
+    vUV = vec2(gl_Position.x * 0.5 + 0.5, gl_Position.y * 0.5 + 0.5 + registers.y_offset);
+}