1 files changed, 72 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/shaders/effects/vrs.glsl b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl
new file mode 100644
index 0000000000..5ef83c0b44
--- /dev/null
+++ b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl
@@ -0,0 +1,72 @@
+#[vertex]
+
+#version 450
+
+#VERSION_DEFINES
+
+#ifdef MULTIVIEW
+#ifdef has_VK_KHR_multiview
+#extension GL_EXT_multiview : enable
+#define ViewIndex gl_ViewIndex
+#else // has_VK_KHR_multiview
+#define ViewIndex 0
+#endif // has_VK_KHR_multiview
+#endif //MULTIVIEW
+
+#ifdef MULTIVIEW
+layout(location = 0) out vec3 uv_interp;
+#else
+layout(location = 0) out vec2 uv_interp;
+#endif
+
+void main() {
+	vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0));
+	uv_interp.xy = base_arr[gl_VertexIndex];
+#ifdef MULTIVIEW
+	uv_interp.z = ViewIndex;
+#endif
+
+	gl_Position = vec4(uv_interp.xy * 2.0 - 1.0, 0.0, 1.0);
+}
+
+#[fragment]
+
+#version 450
+
+#VERSION_DEFINES
+
+#ifdef MULTIVIEW
+#ifdef has_VK_KHR_multiview
+#extension GL_EXT_multiview : enable
+#define ViewIndex gl_ViewIndex
+#else // has_VK_KHR_multiview
+#define ViewIndex 0
+#endif // has_VK_KHR_multiview
+#endif //MULTIVIEW
+
+#ifdef MULTIVIEW
+layout(location = 0) in vec3 uv_interp;
+layout(set = 0, binding = 0) uniform sampler2DArray source_color;
+#else /* MULTIVIEW */
+layout(location = 0) in vec2 uv_interp;
+layout(set = 0, binding = 0) uniform sampler2D source_color;
+#endif /* MULTIVIEW */
+
+layout(location = 0) out uint frag_color;
+
+void main() {
+#ifdef MULTIVIEW
+	vec3 uv = uv_interp;
+#else
+	vec2 uv = uv_interp;
+#endif
+
+#ifdef MULTIVIEW
+	vec4 color = textureLod(source_color, uv, 0.0);
+#else /* MULTIVIEW */
+	vec4 color = textureLod(source_color, uv, 0.0);
+#endif /* MULTIVIEW */
+
+	// See if we can change the sampler to one that returns int...
+	frag_color = uint(color.r * 256.0);
+}