diff options
Diffstat (limited to 'opengl/tools/glgen/src/JniCodeEmitter.java')
-rw-r--r-- | opengl/tools/glgen/src/JniCodeEmitter.java | 1086 |
1 files changed, 0 insertions, 1086 deletions
diff --git a/opengl/tools/glgen/src/JniCodeEmitter.java b/opengl/tools/glgen/src/JniCodeEmitter.java deleted file mode 100644 index 33b9a3e..0000000 --- a/opengl/tools/glgen/src/JniCodeEmitter.java +++ /dev/null @@ -1,1086 +0,0 @@ -import java.io.PrintStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.util.ArrayList; -import java.util.HashSet; -import java.util.Iterator; -import java.util.List; - -/** - * Emits a Java interface and Java & C implementation for a C function. - * - * <p> The Java interface will have Buffer and array variants for functions that - * have a typed pointer argument. The array variant will convert a single "<type> *data" - * argument to a pair of arguments "<type>[] data, int offset". - */ -public class JniCodeEmitter implements CodeEmitter { - - // If true, use C++ style for calling through a JNIEnv *: - // env->Func(...) - // If false, use C style: - // (*env)->Func(env, ...) - static final boolean mUseCPlusPlus = true; - - boolean mUseContextPointer = true; - - String mClassPathName; - - ParameterChecker mChecker; - PrintStream mJava10InterfaceStream; - PrintStream mJava10ExtInterfaceStream; - PrintStream mJava11InterfaceStream; - PrintStream mJava11ExtInterfaceStream; - PrintStream mJava11ExtPackInterfaceStream; - PrintStream mJavaImplStream; - PrintStream mCStream; - - PrintStream mJavaInterfaceStream; - - List<String> nativeRegistrations = new ArrayList<String>(); - - boolean needsExit; - - static String indent = " "; - - HashSet<String> mFunctionsEmitted = new HashSet<String>(); - - /** - * @param java10InterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 functions - * @param java10ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 extension functions - * @param java11InterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 functions - * @param java11ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension functions - * @param java11ExtPackInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension Pack functions - * @param javaImplStream the PrintStream to which to emit the Java implementation - * @param cStream the PrintStream to which to emit the C implementation - */ - public JniCodeEmitter(String classPathName, - ParameterChecker checker, - PrintStream java10InterfaceStream, - PrintStream java10ExtInterfaceStream, - PrintStream java11InterfaceStream, - PrintStream java11ExtInterfaceStream, - PrintStream java11ExtPackInterfaceStream, - PrintStream javaImplStream, - PrintStream cStream, - boolean useContextPointer) { - mClassPathName = classPathName; - mChecker = checker; - mJava10InterfaceStream = java10InterfaceStream; - mJava10ExtInterfaceStream = java10ExtInterfaceStream; - mJava11InterfaceStream = java11InterfaceStream; - mJava11ExtInterfaceStream = java11ExtInterfaceStream; - mJava11ExtPackInterfaceStream = java11ExtPackInterfaceStream; - mJavaImplStream = javaImplStream; - mCStream = cStream; - mUseContextPointer = useContextPointer; - } - - public void setVersion(int version, boolean ext, boolean pack) { - if (version == 0) { - mJavaInterfaceStream = ext ? mJava10ExtInterfaceStream : - mJava10InterfaceStream; - } else if (version == 1) { - mJavaInterfaceStream = ext ? - (pack ? mJava11ExtPackInterfaceStream : - mJava11ExtInterfaceStream) : - mJava11InterfaceStream; - } else { - throw new RuntimeException("Bad version: " + version); - } - } - - public void emitCode(CFunc cfunc, String original) { - JFunc jfunc; - String signature; - boolean duplicate; - - if (cfunc.hasTypedPointerArg()) { - jfunc = JFunc.convert(cfunc, true); - - // Don't emit duplicate functions - // These may appear because they are defined in multiple - // Java interfaces (e.g., GL11/GL11ExtensionPack) - signature = jfunc.toString(); - duplicate = false; - if (mFunctionsEmitted.contains(signature)) { - duplicate = true; - } else { - mFunctionsEmitted.add(signature); - } - - if (!duplicate) { - emitNativeDeclaration(jfunc, mJavaImplStream); - emitJavaCode(jfunc, mJavaImplStream); - } - emitJavaInterfaceCode(jfunc, mJavaInterfaceStream); - if (!duplicate) { - emitJniCode(jfunc, mCStream); - } - } - - jfunc = JFunc.convert(cfunc, false); - - signature = jfunc.toString(); - duplicate = false; - if (mFunctionsEmitted.contains(signature)) { - duplicate = true; - } else { - mFunctionsEmitted.add(signature); - } - - if (!duplicate) { - emitNativeDeclaration(jfunc, mJavaImplStream); - } - emitJavaInterfaceCode(jfunc, mJavaInterfaceStream); - if (!duplicate) { - emitJavaCode(jfunc, mJavaImplStream); - emitJniCode(jfunc, mCStream); - } - } - - public void emitNativeDeclaration(JFunc jfunc, PrintStream out) { - out.println(" // C function " + jfunc.getCFunc().getOriginal()); - out.println(); - - emitFunction(jfunc, out, true, false); - } - - public void emitJavaInterfaceCode(JFunc jfunc, PrintStream out) { - emitFunction(jfunc, out, false, true); - } - - public void emitJavaCode(JFunc jfunc, PrintStream out) { - emitFunction(jfunc, out, false, false); - } - - void emitFunctionCall(JFunc jfunc, PrintStream out, String iii, boolean grabArray ) { - boolean isVoid = jfunc.getType().isVoid(); - boolean isPointerFunc = jfunc.getName().endsWith("Pointer") && - jfunc.getCFunc().hasPointerArg(); - - if (!isVoid) { - out.println(iii + - jfunc.getType() + " _returnValue;"); - } - out.println(iii + - (isVoid ? "" : "_returnValue = ") + - jfunc.getName() + - (isPointerFunc ? "Bounds" : "" ) + - "("); - - int numArgs = jfunc.getNumArgs(); - for (int i = 0; i < numArgs; i++) { - String argName = jfunc.getArgName(i); - JType argType = jfunc.getArgType(i); - - if (grabArray && argType.isTypedBuffer()) { - String typeName = argType.getBaseType(); - typeName = typeName.substring(9, typeName.length() - 6); - out.println(iii + indent + "get" + typeName + "Array(" + argName + "),"); - out.print(iii + indent + "getOffset(" + argName + ")"); - } else { - out.print(iii + indent + argName); - } - if (i == numArgs - 1) { - if (isPointerFunc) { - out.println(","); - out.println(iii + indent + argName + ".remaining()"); - } else { - out.println(); - } - } else { - out.println(","); - } - } - - out.println(iii + ");"); - } - - void printIfcheckPostamble(PrintStream out, boolean isBuffer, - boolean emitExceptionCheck, String iii) { - printIfcheckPostamble(out, isBuffer, emitExceptionCheck, - "offset", "_remaining", iii); - } - - void printIfcheckPostamble(PrintStream out, boolean isBuffer, - boolean emitExceptionCheck, - String offset, String remaining, String iii) { - out.println(iii + " default:"); - out.println(iii + " _needed = 0;"); - out.println(iii + " break;"); - out.println(iii + "}"); - - out.println(iii + "if (" + remaining + " < _needed) {"); - if (emitExceptionCheck) { - out.println(iii + indent + "_exception = 1;"); - } - out.println(iii + indent + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->ThrowNew(" + - (mUseCPlusPlus ? "" : "_env, ") + - "IAEClass, " + - "\"" + - (isBuffer ? - "remaining()" : "length - " + offset) + - " < needed\");"); - out.println(iii + indent + "goto exit;"); - needsExit = true; - out.println(iii + "}"); - } - - boolean isNullAllowed(CFunc cfunc) { - String[] checks = mChecker.getChecks(cfunc.getName()); - int index = 1; - if (checks != null) { - while (index < checks.length) { - if (checks[index].equals("return")) { - index += 2; - } else if (checks[index].startsWith("check")) { - index += 3; - } else if (checks[index].equals("ifcheck")) { - index += 5; - } else if (checks[index].equals("unsupported")) { - index += 1; - } else if (checks[index].equals("nullAllowed")) { - return true; - } else { - System.out.println("Error: unknown keyword \"" + - checks[index] + "\""); - System.exit(0); - } - } - } - return false; - } - - String getErrorReturnValue(CFunc cfunc) { - CType returnType = cfunc.getType(); - boolean isVoid = returnType.isVoid(); - if (isVoid) { - return null; - } - - String[] checks = mChecker.getChecks(cfunc.getName()); - - int index = 1; - if (checks != null) { - while (index < checks.length) { - if (checks[index].equals("return")) { - return checks[index + 1]; - } else if (checks[index].startsWith("check")) { - index += 3; - } else if (checks[index].equals("ifcheck")) { - index += 5; - } else if (checks[index].equals("unsupported")) { - index += 1; - } else if (checks[index].equals("nullAllowed")) { - index += 1; - } else { - System.out.println("Error: unknown keyword \"" + - checks[index] + "\""); - System.exit(0); - } - } - } - - return null; - } - - boolean isUnsupportedFunc(CFunc cfunc) { - String[] checks = mChecker.getChecks(cfunc.getName()); - int index = 1; - if (checks != null) { - while (index < checks.length) { - if (checks[index].equals("unsupported")) { - return true; - } else if (checks[index].equals("return")) { - index += 2; - } else if (checks[index].startsWith("check")) { - index += 3; - } else if (checks[index].equals("ifcheck")) { - index += 5; - } else if (checks[index].equals("nullAllowed")) { - index += 1; - } else { - System.out.println("Error: unknown keyword \"" + - checks[index] + "\""); - System.exit(0); - } - } - } - return false; - } - - void emitNativeBoundsChecks(CFunc cfunc, String cname, PrintStream out, - boolean isBuffer, boolean emitExceptionCheck, - String offset, String remaining, String iii) { - CType returnType = cfunc.getType(); - boolean isVoid = returnType.isVoid(); - - String[] checks = mChecker.getChecks(cfunc.getName()); - String checkVar; - String retval = getErrorReturnValue(cfunc); - - boolean lastWasIfcheck = false; - - int index = 1; - if (checks != null) { - boolean remainingDeclared = false; - boolean nullCheckDeclared = false; - boolean offsetChecked = false; - while (index < checks.length) { - if (checks[index].startsWith("check")) { - if (lastWasIfcheck) { - printIfcheckPostamble(out, isBuffer, emitExceptionCheck, - offset, remaining, iii); - } - lastWasIfcheck = false; - if (cname != null && !cname.equals(checks[index + 1])) { - index += 3; - continue; - } - out.println(iii + "if (" + remaining + " < " + - checks[index + 2] + - ") {"); - if (emitExceptionCheck) { - out.println(iii + indent + "_exception = 1;"); - } - String exceptionClassName = "IAEClass"; - // If the "check" keyword was of the form - // "check_<class name>", use the class name in the - // exception to be thrown - int underscore = checks[index].indexOf('_'); - if (underscore >= 0) { - exceptionClassName = checks[index].substring(underscore + 1) + "Class"; - } - out.println(iii + indent + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->ThrowNew(" + - (mUseCPlusPlus ? "" : "_env, ") + - exceptionClassName + ", " + - "\"" + - (isBuffer ? - "remaining()" : "length - " + offset) + - " < " + checks[index + 2] + - "\");"); - - out.println(iii + indent + "goto exit;"); - needsExit = true; - out.println(iii + "}"); - - index += 3; - } else if (checks[index].equals("ifcheck")) { - String[] matches = checks[index + 4].split(","); - - if (!lastWasIfcheck) { - out.println(iii + "int _needed;"); - out.println(iii + - "switch (" + - checks[index + 3] + - ") {"); - } - - for (int i = 0; i < matches.length; i++) { - out.println("#if defined(" + matches[i] + ")"); - out.println(iii + - " case " + - matches[i] + - ":"); - out.println("#endif // defined(" + matches[i] + ")"); - } - out.println(iii + - " _needed = " + - checks[index + 2] + - ";"); - out.println(iii + - " break;"); - - lastWasIfcheck = true; - index += 5; - } else if (checks[index].equals("return")) { - // ignore - index += 2; - } else if (checks[index].equals("unsupported")) { - // ignore - index += 1; - } else if (checks[index].equals("nullAllowed")) { - // ignore - index += 1; - } else { - System.out.println("Error: unknown keyword \"" + - checks[index] + "\""); - System.exit(0); - } - } - } - - if (lastWasIfcheck) { - printIfcheckPostamble(out, isBuffer, emitExceptionCheck, iii); - } - } - - boolean hasNonConstArg(JFunc jfunc, CFunc cfunc, - List<Integer> nonPrimitiveArgs) { - if (nonPrimitiveArgs.size() > 0) { - for (int i = nonPrimitiveArgs.size() - 1; i >= 0; i--) { - int idx = nonPrimitiveArgs.get(i).intValue(); - int cIndex = jfunc.getArgCIndex(idx); - if (jfunc.getArgType(idx).isArray()) { - if (!cfunc.getArgType(cIndex).isConst()) { - return true; - } - } else if (jfunc.getArgType(idx).isBuffer()) { - if (!cfunc.getArgType(cIndex).isConst()) { - return true; - } - } - } - } - - return false; - } - - /** - * Emit a function in several variants: - * - * if nativeDecl: public native <returntype> func(args); - * - * if !nativeDecl: - * if interfaceDecl: public <returntype> func(args); - * if !interfaceDecl: public <returntype> func(args) { body } - */ - void emitFunction(JFunc jfunc, - PrintStream out, - boolean nativeDecl, boolean interfaceDecl) { - boolean isPointerFunc = - jfunc.getName().endsWith("Pointer") && - jfunc.getCFunc().hasPointerArg(); - - if (!nativeDecl && !interfaceDecl && !isPointerFunc) { - // If it's not a pointer function, we've already emitted it - // with nativeDecl == true - return; - } - - if (isPointerFunc) { - out.println(indent + - (nativeDecl ? "private native " : - (interfaceDecl ? "" : "public ")) + - jfunc.getType() + " " + - jfunc.getName() + - (nativeDecl ? "Bounds" : "") + - "("); - } else { - out.println(indent + - (nativeDecl ? "public native " : - (interfaceDecl ? "" : "public ")) + - jfunc.getType() + " " + - jfunc.getName() + - "("); - } - - int numArgs = jfunc.getNumArgs(); - for (int i = 0; i < numArgs; i++) { - String argName = jfunc.getArgName(i); - JType argType = jfunc.getArgType(i); - - out.print(indent + indent + argType + " " + argName); - if (i == numArgs - 1) { - if (isPointerFunc && nativeDecl) { - out.println(","); - out.println(indent + indent + "int remaining"); - } else { - out.println(); - } - } else { - out.println(","); - } - } - - if (nativeDecl || interfaceDecl) { - out.println(indent + ");"); - } else { - out.println(indent + ") {"); - - String iii = indent + indent; - - String fname = jfunc.getName(); - if (isPointerFunc) { - // TODO - deal with VBO variants - if (fname.equals("glColorPointer")) { - out.println(iii + "if ((size == 4) &&"); - out.println(iii + " ((type == GL_FLOAT) ||"); - out.println(iii + " (type == GL_UNSIGNED_BYTE) ||"); - out.println(iii + " (type == GL_FIXED)) &&"); - out.println(iii + " (stride >= 0)) {"); - out.println(iii + indent + "_colorPointer = pointer;"); - out.println(iii + "}"); - } else if (fname.equals("glNormalPointer")) { - out.println(iii + "if (((type == GL_FLOAT) ||"); - out.println(iii + " (type == GL_BYTE) ||"); - out.println(iii + " (type == GL_SHORT) ||"); - out.println(iii + " (type == GL_FIXED)) &&"); - out.println(iii + " (stride >= 0)) {"); - out.println(iii + indent + "_normalPointer = pointer;"); - out.println(iii + "}"); - } else if (fname.equals("glTexCoordPointer")) { - out.println(iii + "if (((size == 2) ||"); - out.println(iii + " (size == 3) ||"); - out.println(iii + " (size == 4)) &&"); - out.println(iii + " ((type == GL_FLOAT) ||"); - out.println(iii + " (type == GL_BYTE) ||"); - out.println(iii + " (type == GL_SHORT) ||"); - out.println(iii + " (type == GL_FIXED)) &&"); - out.println(iii + " (stride >= 0)) {"); - out.println(iii + indent + "_texCoordPointer = pointer;"); - out.println(iii + "}"); - } else if (fname.equals("glVertexPointer")) { - out.println(iii + "if (((size == 2) ||"); - out.println(iii + " (size == 3) ||"); - out.println(iii + " (size == 4)) &&"); - out.println(iii + " ((type == GL_FLOAT) ||"); - out.println(iii + " (type == GL_BYTE) ||"); - out.println(iii + " (type == GL_SHORT) ||"); - out.println(iii + " (type == GL_FIXED)) &&"); - out.println(iii + " (stride >= 0)) {"); - out.println(iii + indent + "_vertexPointer = pointer;"); - out.println(iii + "}"); - } - } - - // emitBoundsChecks(jfunc, out, iii); - emitFunctionCall(jfunc, out, iii, false); - - boolean isVoid = jfunc.getType().isVoid(); - - if (!isVoid) { - out.println(indent + indent + "return _returnValue;"); - } - out.println(indent + "}"); - } - out.println(); - } - - public static String getJniName(JType jType) { - String jniName = ""; - if (jType.isClass()) { - return "L" + jType.getBaseType() + ";"; - } else if (jType.isArray()) { - jniName = "["; - } - - String baseType = jType.getBaseType(); - if (baseType.equals("int")) { - jniName += "I"; - } else if (baseType.equals("float")) { - jniName += "F"; - } else if (baseType.equals("boolean")) { - jniName += "Z"; - } else if (baseType.equals("short")) { - jniName += "S"; - } else if (baseType.equals("long")) { - jniName += "L"; - } else if (baseType.equals("byte")) { - jniName += "B"; - } - return jniName; - } - - String getJniType(JType jType) { - if (jType.isVoid()) { - return "void"; - } - - String baseType = jType.getBaseType(); - if (jType.isPrimitive()) { - if (baseType.equals("String")) { - return "jstring"; - } else { - return "j" + baseType; - } - } else if (jType.isArray()) { - return "j" + baseType + "Array"; - } else { - return "jobject"; - } - } - - String getJniMangledName(String name) { - name = name.replaceAll("_", "_1"); - name = name.replaceAll(";", "_2"); - name = name.replaceAll("\\[", "_3"); - return name; - } - - public void emitJniCode(JFunc jfunc, PrintStream out) { - CFunc cfunc = jfunc.getCFunc(); - - // Emit comment identifying original C function - // - // Example: - // - // /* void glClipPlanef ( GLenum plane, const GLfloat *equation ) */ - // - out.println("/* " + cfunc.getOriginal() + " */"); - - // Emit JNI signature (name) - // - // Example: - // - // void - // android_glClipPlanef__I_3FI - // - - String outName = "android_" + jfunc.getName(); - boolean isPointerFunc = outName.endsWith("Pointer") && - jfunc.getCFunc().hasPointerArg(); - boolean isVBOPointerFunc = (outName.endsWith("Pointer") || - outName.endsWith("DrawElements")) && - !jfunc.getCFunc().hasPointerArg(); - if (isPointerFunc) { - outName += "Bounds"; - } - - out.print("static "); - out.println(getJniType(jfunc.getType())); - out.print(outName); - - String rsignature = getJniName(jfunc.getType()); - - String signature = ""; - int numArgs = jfunc.getNumArgs(); - for (int i = 0; i < numArgs; i++) { - JType argType = jfunc.getArgType(i); - signature += getJniName(argType); - } - if (isPointerFunc) { - signature += "I"; - } - - // Append signature to function name - String sig = getJniMangledName(signature).replace('.', '_'); - out.print("__" + sig); - outName += "__" + sig; - - signature = signature.replace('.', '/'); - rsignature = rsignature.replace('.', '/'); - - out.println(); - if (rsignature.length() == 0) { - rsignature = "V"; - } - - String s = "{\"" + - jfunc.getName() + - (isPointerFunc ? "Bounds" : "") + - "\", \"(" + signature +")" + - rsignature + - "\", (void *) " + - outName + - " },"; - nativeRegistrations.add(s); - - List<Integer> nonPrimitiveArgs = new ArrayList<Integer>(); - int numBufferArgs = 0; - List<String> bufferArgNames = new ArrayList<String>(); - - // Emit JNI signature (arguments) - // - // Example: - // - // (JNIEnv *_env, jobject this, jint plane, jfloatArray equation_ref, jint offset) { - // - out.print(" (JNIEnv *_env, jobject _this"); - for (int i = 0; i < numArgs; i++) { - out.print(", "); - JType argType = jfunc.getArgType(i); - String suffix; - if (!argType.isPrimitive()) { - if (argType.isArray()) { - suffix = "_ref"; - } else { - suffix = "_buf"; - } - nonPrimitiveArgs.add(new Integer(i)); - if (jfunc.getArgType(i).isBuffer()) { - int cIndex = jfunc.getArgCIndex(i); - String cname = cfunc.getArgName(cIndex); - bufferArgNames.add(cname); - numBufferArgs++; - } - } else { - suffix = ""; - } - - out.print(getJniType(argType) + " " + jfunc.getArgName(i) + suffix); - } - if (isPointerFunc) { - out.print(", jint remaining"); - } - out.println(") {"); - - int numArrays = 0; - int numBuffers = 0; - for (int i = 0; i < nonPrimitiveArgs.size(); i++) { - int idx = nonPrimitiveArgs.get(i).intValue(); - int cIndex = jfunc.getArgCIndex(idx); - String cname = cfunc.getArgName(cIndex); - if (jfunc.getArgType(idx).isArray()) { - ++numArrays; - } - if (jfunc.getArgType(idx).isBuffer()) { - ++numBuffers; - } - } - - // Emit method body - - // Emit local variable declarations for _exception and _returnValue - // - // Example: - // - // android::gl::ogles_context_t *ctx; - // - // jint _exception; - // GLenum _returnValue; - // - CType returnType = cfunc.getType(); - boolean isVoid = returnType.isVoid(); - - boolean isUnsupported = isUnsupportedFunc(cfunc); - if (isUnsupported) { - out.println(indent + - "_env->ThrowNew(UOEClass,"); - out.println(indent + - " \"" + cfunc.getName() + "\");"); - if (!isVoid) { - String retval = getErrorReturnValue(cfunc); - out.println(indent + "return " + retval + ";"); - } - out.println("}"); - out.println(); - return; - } - - if (mUseContextPointer) { - out.println(indent + - "android::gl::ogles_context_t *ctx = getContext(_env, _this);"); - } - - boolean emitExceptionCheck = (numArrays > 0 || numBuffers > 0) && - hasNonConstArg(jfunc, cfunc, nonPrimitiveArgs); - // mChecker.getChecks(cfunc.getName()) != null - - // Emit an _exeption variable if there will be error checks - if (emitExceptionCheck) { - out.println(indent + "jint _exception = 0;"); - } - - // Emit a single _array or multiple _XXXArray variables - if (numBufferArgs == 1) { - out.println(indent + "jarray _array = (jarray) 0;"); - } else { - for (int i = 0; i < numBufferArgs; i++) { - out.println(indent + "jarray _" + bufferArgNames.get(i) + - "Array = (jarray) 0;"); - } - } - if (!isVoid) { - String retval = getErrorReturnValue(cfunc); - if (retval != null) { - out.println(indent + returnType.getDeclaration() + - " _returnValue = " + retval + ";"); - } else { - out.println(indent + returnType.getDeclaration() + - " _returnValue;"); - } - } - - // Emit local variable declarations for pointer arguments - // - // Example: - // - // GLfixed *eqn_base; - // GLfixed *eqn; - // - String offset = "offset"; - String remaining = "_remaining"; - if (nonPrimitiveArgs.size() > 0) { - for (int i = 0; i < nonPrimitiveArgs.size(); i++) { - int idx = nonPrimitiveArgs.get(i).intValue(); - int cIndex = jfunc.getArgCIndex(idx); - String cname = cfunc.getArgName(cIndex); - - CType type = cfunc.getArgType(jfunc.getArgCIndex(idx)); - String decl = type.getDeclaration(); - if (jfunc.getArgType(idx).isArray()) { - out.println(indent + - decl + - (decl.endsWith("*") ? "" : " ") + - jfunc.getArgName(idx) + - "_base = (" + decl + ") 0;"); - } - remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" : - "_" + cname + "Remaining"; - out.println(indent + - "jint " + remaining + ";"); - out.println(indent + - decl + - (decl.endsWith("*") ? "" : " ") + - jfunc.getArgName(idx) + - " = (" + decl + ") 0;"); - } - - out.println(); - } - - String retval = isVoid ? "" : " _returnValue"; - - // Emit 'GetPrimitiveArrayCritical' for arrays - // Emit 'GetPointer' calls for Buffer pointers - int bufArgIdx = 0; - if (nonPrimitiveArgs.size() > 0) { - for (int i = 0; i < nonPrimitiveArgs.size(); i++) { - int idx = nonPrimitiveArgs.get(i).intValue(); - int cIndex = jfunc.getArgCIndex(idx); - - String cname = cfunc.getArgName(cIndex); - offset = numArrays <= 1 ? "offset" : - cname + "Offset"; - remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" : - "_" + cname + "Remaining"; - - if (jfunc.getArgType(idx).isArray()) { - out.println(indent + - "if (!" + - cname + - "_ref) {"); - if (emitExceptionCheck) { - out.println(indent + indent + "_exception = 1;"); - } - out.println(indent + " " + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->ThrowNew(" + - (mUseCPlusPlus ? "" : "_env, ") + - "IAEClass, " + - "\"" + cname + - " == null\");"); - out.println(indent + " goto exit;"); - needsExit = true; - out.println(indent + "}"); - - out.println(indent + "if (" + offset + " < 0) {"); - if (emitExceptionCheck) { - out.println(indent + indent + "_exception = 1;"); - } - out.println(indent + " " + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->ThrowNew(" + - (mUseCPlusPlus ? "" : "_env, ") + - "IAEClass, " + - "\"" + offset + " < 0\");"); - out.println(indent + " goto exit;"); - needsExit = true; - out.println(indent + "}"); - - out.println(indent + remaining + " = " + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->GetArrayLength(" + - (mUseCPlusPlus ? "" : "_env, ") + - cname + "_ref) - " + offset + ";"); - - emitNativeBoundsChecks(cfunc, cname, out, false, - emitExceptionCheck, - offset, remaining, " "); - - out.println(indent + - cname + - "_base = (" + - cfunc.getArgType(cIndex).getDeclaration() + - ")"); - out.println(indent + " " + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->GetPrimitiveArrayCritical(" + - (mUseCPlusPlus ? "" : "_env, ") + - jfunc.getArgName(idx) + - "_ref, (jboolean *)0);"); - out.println(indent + - cname + " = " + cname + "_base + " + offset + - ";"); - out.println(); - } else { - String array = numBufferArgs <= 1 ? "_array" : - "_" + bufferArgNames.get(bufArgIdx++) + "Array"; - - boolean nullAllowed = isNullAllowed(cfunc); - if (nullAllowed) { - out.println(indent + "if (" + cname + "_buf) {"); - out.print(indent); - } - - out.println(indent + - cname + - " = (" + - cfunc.getArgType(cIndex).getDeclaration() + - ")getPointer(_env, " + - cname + - "_buf, &" + array + ", &" + remaining + ");"); - - if (nullAllowed) { - out.println(indent + "}"); - } - - emitNativeBoundsChecks(cfunc, cname, out, true, - emitExceptionCheck, - offset, remaining, " "); - } - } - } - - if (!isVoid) { - out.print(indent + "_returnValue = "); - } else { - out.print(indent); - } - String name = cfunc.getName(); - - if (mUseContextPointer) { - name = name.substring(2, name.length()); // Strip off 'gl' prefix - name = name.substring(0, 1).toLowerCase() + - name.substring(1, name.length()); - out.print("ctx->procs."); - } - - out.print(name + (isPointerFunc ? "Bounds" : "") + "("); - - numArgs = cfunc.getNumArgs(); - if (numArgs == 0) { - if (mUseContextPointer) { - out.println("ctx);"); - } else { - out.println(");"); - } - } else { - if (mUseContextPointer) { - out.println("ctx,"); - } else { - out.println(); - } - for (int i = 0; i < numArgs; i++) { - String typecast; - if (i == numArgs - 1 && isVBOPointerFunc) { - typecast = "const GLvoid *"; - } else { - typecast = cfunc.getArgType(i).getDeclaration(); - } - out.print(indent + indent + - "(" + - typecast + - ")" + - cfunc.getArgName(i)); - - if (i == numArgs - 1) { - if (isPointerFunc) { - out.println(","); - out.println(indent + indent + "(GLsizei)remaining"); - } else { - out.println(); - } - } else { - out.println(","); - } - } - out.println(indent + ");"); - } - - if (needsExit) { - out.println(); - out.println("exit:"); - needsExit = false; - } - - bufArgIdx = 0; - if (nonPrimitiveArgs.size() > 0) { - for (int i = nonPrimitiveArgs.size() - 1; i >= 0; i--) { - int idx = nonPrimitiveArgs.get(i).intValue(); - - int cIndex = jfunc.getArgCIndex(idx); - if (jfunc.getArgType(idx).isArray()) { - - // If the argument is 'const', GL will not write to it. - // In this case, we can use the 'JNI_ABORT' flag to avoid - // the need to write back to the Java array - out.println(indent + - "if (" + jfunc.getArgName(idx) + "_base) {"); - out.println(indent + indent + - (mUseCPlusPlus ? "_env" : "(*_env)") + - "->ReleasePrimitiveArrayCritical(" + - (mUseCPlusPlus ? "" : "_env, ") + - jfunc.getArgName(idx) + "_ref, " + - cfunc.getArgName(cIndex) + - "_base,"); - out.println(indent + indent + indent + - (cfunc.getArgType(cIndex).isConst() ? - "JNI_ABORT" : - "_exception ? JNI_ABORT: 0") + - ");"); - out.println(indent + "}"); - } else if (jfunc.getArgType(idx).isBuffer()) { - String array = numBufferArgs <= 1 ? "_array" : - "_" + bufferArgNames.get(bufArgIdx++) + "Array"; - out.println(indent + "if (" + array + ") {"); - out.println(indent + indent + - "releasePointer(_env, " + array + ", " + - cfunc.getArgName(cIndex) + - ", " + - (cfunc.getArgType(cIndex).isConst() ? - "JNI_FALSE" : "_exception ? JNI_FALSE : JNI_TRUE") + - ");"); - out.println(indent + "}"); - } - } - } - - if (!isVoid) { - out.println(indent + "return _returnValue;"); - } - - out.println("}"); - out.println(); - } - - public void addNativeRegistration(String s) { - nativeRegistrations.add(s); - } - - public void emitNativeRegistration() { - mCStream.println("static const char *classPathName = \"" + - mClassPathName + - "\";"); - mCStream.println(); - - mCStream.println("static JNINativeMethod methods[] = {"); - - mCStream.println("{\"_nativeClassInit\", \"()V\", (void*)nativeClassInit },"); - - Iterator<String> i = nativeRegistrations.iterator(); - while (i.hasNext()) { - mCStream.println(i.next()); - } - - mCStream.println("};"); - mCStream.println(); - - - mCStream.println("int register_com_google_android_gles_jni_GLImpl(JNIEnv *_env)"); - mCStream.println("{"); - mCStream.println(indent + - "int err;"); - - mCStream.println(indent + - "err = android::AndroidRuntime::registerNativeMethods(_env, classPathName, methods, NELEM(methods));"); - - mCStream.println(indent + "return err;"); - mCStream.println("}"); - } -} |