summaryrefslogtreecommitdiffstats
path: root/opengl/tools/glgen/src/JniCodeEmitter.java
diff options
context:
space:
mode:
Diffstat (limited to 'opengl/tools/glgen/src/JniCodeEmitter.java')
-rw-r--r--opengl/tools/glgen/src/JniCodeEmitter.java1086
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("}");
- }
-}