1 files changed, 99 insertions, 0 deletions
diff --git a/opengl/tools/glgen/src/GenerateGLES.java b/opengl/tools/glgen/src/GenerateGLES.java
new file mode 100644
index 0000000..60775b7
--- /dev/null
+++ b/opengl/tools/glgen/src/GenerateGLES.java
@@ -0,0 +1,99 @@
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.PrintStream;
+
+public class GenerateGLES {
+
+    static void copy(String filename, PrintStream out) throws IOException {
+        BufferedReader br = new BufferedReader(new FileReader(filename));
+        String s;
+        while ((s = br.readLine()) != null) {
+            out.println(s);
+        }
+    }
+
+    private static void emit(GLESCodeEmitter emitter,
+                             BufferedReader specReader,
+                             PrintStream glStream,
+                             PrintStream cStream) throws Exception {
+        String s = null;
+        while ((s = specReader.readLine()) != null) {
+            if (s.trim().startsWith("//")) {
+                continue;
+            }
+
+            CFunc cfunc = CFunc.parseCFunc(s);
+
+            String fname = cfunc.getName();
+            String stubRoot = "stubs/gles11/" + fname;
+            String javaPath = stubRoot + ".java";
+            File f = new File(javaPath);
+            if (f.exists()) {
+                System.out.println("Special-casing function " + fname);
+                copy(javaPath, glStream);
+                copy(stubRoot + ".cpp", cStream);
+
+                // Register native function names
+                // This should be improved to require fewer discrete files
+                String filename = stubRoot + ".nativeReg";
+                BufferedReader br =
+                    new BufferedReader(new FileReader(filename));
+                String nfunc;
+                while ((nfunc = br.readLine()) != null) {
+                    emitter.addNativeRegistration(nfunc);
+                }
+            } else {
+                emitter.emitCode(cfunc, s);
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        int aidx = 0;
+        while ((aidx < args.length) && (args[aidx].charAt(0) == '-')) {
+            switch (args[aidx].charAt(1)) {
+            default:
+                System.err.println("Unknown flag: " + args[aidx]);
+                System.exit(1);
+            }
+
+            aidx++;
+        }
+
+        BufferedReader checksReader =
+            new BufferedReader(new FileReader("specs/gles11/checks.spec"));
+        ParameterChecker checker = new ParameterChecker(checksReader);
+
+        // Generate files
+        for(String suffix: new String[] {"GLES10", "GLES10Ext",
+                "GLES11", "GLES11Ext"})
+        {
+            BufferedReader spec11Reader =
+                new BufferedReader(new FileReader("specs/gles11/"
+                        + suffix + ".spec"));
+            String gl11Filename = "android/opengl/" + suffix + ".java";
+            String gl11cFilename = "android_opengl_" + suffix + ".cpp";
+            PrintStream gl11Stream =
+                new PrintStream(new FileOutputStream("out/" + gl11Filename));
+            PrintStream gl11cStream =
+                new PrintStream(new FileOutputStream("out/" + gl11cFilename));
+            gl11Stream.println("/*");
+            gl11cStream.println("/*");
+            copy("stubs/gles11/" + suffix + "Header.java-if", gl11Stream);
+            copy("stubs/gles11/" + suffix + "cHeader.cpp", gl11cStream);
+            GLESCodeEmitter emitter = new GLESCodeEmitter(
+                    "android/opengl/" + suffix,
+                    checker, gl11Stream, gl11cStream);
+            emit(emitter, spec11Reader, gl11Stream, gl11cStream);
+            emitter.emitNativeRegistration("register_android_opengl_jni_"
+                    + suffix);
+            gl11Stream.println("}");
+            gl11Stream.close();
+            gl11cStream.close();
+        }
+    }
+}