Shaders

Game.Assets/hl2/shaders/screenspaceeffect_gl460.vs

@@ -1,12 +1,37 @@
 #version 460
+//	STATIC: "VERTEXCOLOR"		"0..1"
+//	STATIC: "TRANSFORMVERTS"	"0..1"
 
 layout(location = 0) in vec3 v_Position;
+layout(location = 2) in vec4 v_Color;
 layout(location = 10) in vec2 v_TexCoord;
 
+layout(std140, binding = 0) uniform source_matrices {
+    mat4 viewMatrix;
+    mat4 projectionMatrix;
+    mat4 modelMatrix;
+};
+
 out vec2 vs_BaseTexCoord;
+out vec4 vs_TexCoord0;
+out vec4 vs_TexCoord1;
+out vec4 vs_TexCoord2;
+out vec4 vs_Color0;
 
 void main()
 {
+#if TRANSFORMVERTS
+    gl_Position = projectionMatrix * viewMatrix * modelMatrix * vec4(v_Position, 1.0);
+#else
     gl_Position = vec4(v_Position, 1.0);
+#endif
     vs_BaseTexCoord = vec2(v_TexCoord.x, 1.0 - v_TexCoord.y);
+    vs_TexCoord0 = vec4(vs_BaseTexCoord, 0.0, 1.0);
+    vs_TexCoord1 = vec4(0.0, 0.0, 0.0, 1.0);
+    vs_TexCoord2 = vs_TexCoord0;
+#if VERTEXCOLOR
+    vs_Color0 = v_Color;
+#else
+    vs_Color0 = vec4(1.0);
+#endif
 }

Source.ShaderAPI.Gl46/ShaderSystem.cs

@@ -467,18 +467,42 @@ private void ProcessSource(StringBuilder sb, string source, int fileIndex, int s
 		}
 	}
 
-	private unsafe uint CompileShader(int glType, ReadOnlySpan<char> name, ReadOnlySpan<char> defines, string typeName) {
-		using IFileHandle? handle = FileSystem.Open($"shaders/{name}", FileOpenOptions.Read, "game");
+	private byte[]? LoadVcs(ReadOnlySpan<char> name) {
+		int ext = name.LastIndexOf("_gl");
+		if (ext < 0)
+			return null;
+
+		using IFileHandle? handle = FileSystem.Open($"shaders/fxc/{name[..ext]}.vcs", FileOpenOptions.Read, "game");
 		if (handle == null)
-			return 0;
+			return null;
 
-		Span<byte> source = stackalloc byte[(int)handle.Stream.Length];
-		handle.Stream.Read(source);
+		byte[] vcs = new byte[handle.Stream.Length];
+		handle.Stream.ReadExactly(vcs);
+		string? source = VcsTranslator.Load(vcs);
+		if (source == null) {
+			Warning($"WARNING: Failed to translate shader shaders/fxc/{name[..ext]}.vcs\n");
+			return null;
+		}
+		return Encoding.ASCII.GetBytes(source);
+	}
 
+	private unsafe uint CompileShader(int glType, ReadOnlySpan<char> name, ReadOnlySpan<char> defines, string typeName) {
+		using IFileHandle? handle = FileSystem.Open($"shaders/{name}", FileOpenOptions.Read, "game");
 		List<string> sourceFiles = [];
-		byte[]? built = BuildShaderSource(source, defines, new string(name), sourceFiles);
-		if (built == null)
-			return 0;
+		byte[]? built;
+		if (handle == null) {
+			if ((built = LoadVcs(name)) == null)
+				return 0;
+			sourceFiles.Add(new(name));
+		}
+		else {
+			Span<byte> source = stackalloc byte[(int)handle.Stream.Length];
+			handle.Stream.Read(source);
+
+			built = BuildShaderSource(source, defines, new string(name), sourceFiles);
+			if (built == null)
+				return 0;
+		}
 
 		uint pShader = glCreateShader(glType);
 		int len = built.Length;