Add a Java API for OpenGL ES 2.0.
Currently this API is hidden.
Add a test program.
diff --git a/opengl/tools/glgen/src/CType.java b/opengl/tools/glgen/src/CType.java
index 826c90d..d49e9ef 100644
--- a/opengl/tools/glgen/src/CType.java
+++ b/opengl/tools/glgen/src/CType.java
@@ -44,8 +44,12 @@
baseType.equals("void");
}
+ public boolean isConstCharPointer() {
+ return isConst && isPointer && baseType.equals("char");
+ }
+
public boolean isTypedPointer() {
- return isPointer() && !isVoid();
+ return isPointer() && !isVoid() && !isConstCharPointer();
}
public void setBaseType(String baseType) {
diff --git a/opengl/tools/glgen/src/GenerateGLES.java b/opengl/tools/glgen/src/GenerateGLES.java
index 60775b7..08063f3 100644
--- a/opengl/tools/glgen/src/GenerateGLES.java
+++ b/opengl/tools/glgen/src/GenerateGLES.java
@@ -70,7 +70,7 @@
// Generate files
for(String suffix: new String[] {"GLES10", "GLES10Ext",
- "GLES11", "GLES11Ext"})
+ "GLES11", "GLES11Ext", "GLES20"})
{
BufferedReader spec11Reader =
new BufferedReader(new FileReader("specs/gles11/"
diff --git a/opengl/tools/glgen/src/JType.java b/opengl/tools/glgen/src/JType.java
index df1177b..32d9fe7 100644
--- a/opengl/tools/glgen/src/JType.java
+++ b/opengl/tools/glgen/src/JType.java
@@ -6,6 +6,7 @@
String baseType;
boolean isArray;
boolean isClass;
+ boolean isString;
static HashMap<CType,JType> typeMapping = new HashMap<CType,JType>();
static HashMap<CType,JType> arrayTypeMapping = new HashMap<CType,JType>();
@@ -27,7 +28,10 @@
typeMapping.put(new CType("GLubyte"), new JType("byte"));
typeMapping.put(new CType("GLuint"), new JType("int"));
typeMapping.put(new CType("void"), new JType("void"));
- typeMapping.put(new CType("GLubyte", true, true), new JType("String"));
+ typeMapping.put(new CType("GLubyte", true, true), new JType("String", false, false));
+ typeMapping.put(new CType("char", false, true), new JType("byte"));
+ typeMapping.put(new CType("char", true, true), new JType("String", false, false));
+ typeMapping.put(new CType("int"), new JType("int"));
// Untyped pointers map to untyped Buffers
typeMapping.put(new CType("GLvoid", true, true),
@@ -42,6 +46,8 @@
// Typed pointers map to typed Buffers
typeMapping.put(new CType("GLboolean", false, true),
new JType("java.nio.IntBuffer", true, false));
+ typeMapping.put(new CType("GLenum", false, true),
+ new JType("java.nio.IntBuffer", true, false));
typeMapping.put(new CType("GLfixed", false, true),
new JType("java.nio.IntBuffer", true, false));
typeMapping.put(new CType("GLfixed", true, true),
@@ -54,6 +60,8 @@
new JType("java.nio.IntBuffer", true, false));
typeMapping.put(new CType("GLint", true, true),
new JType("java.nio.IntBuffer", true, false));
+ typeMapping.put(new CType("GLsizei", false, true),
+ new JType("java.nio.IntBuffer", true, false));
typeMapping.put(new CType("GLuint", false, true),
new JType("java.nio.IntBuffer", true, false));
typeMapping.put(new CType("GLuint", true, true),
@@ -62,8 +70,11 @@
new JType("java.nio.ShortBuffer", true, false));
// Typed pointers map to arrays + offsets
+ arrayTypeMapping.put(new CType("char", false, true),
+ new JType("byte", false, true));
arrayTypeMapping.put(new CType("GLboolean", false, true),
new JType("boolean", false, true));
+ arrayTypeMapping.put(new CType("GLenum", false, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLfixed", true, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLfixed", false, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLfloat", false, true), new JType("float", false, true));
@@ -71,6 +82,8 @@
arrayTypeMapping.put(new CType("GLint", false, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLint", true, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLshort", true, true), new JType("short", false, true));
+ arrayTypeMapping.put(new CType("GLsizei", false, true), new JType("int", false, true));
+ arrayTypeMapping.put(new CType("GLsizei", true, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLuint", false, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLuint", true, true), new JType("int", false, true));
arrayTypeMapping.put(new CType("GLintptr"), new JType("int", false, true));
@@ -109,6 +122,10 @@
return isClass;
}
+ public boolean isString() {
+ return baseType.equals("String");
+ }
+
public boolean isPrimitive() {
return !isClass() && !isArray();
}
diff --git a/opengl/tools/glgen/src/JniCodeEmitter.java b/opengl/tools/glgen/src/JniCodeEmitter.java
index 2cdb244..4c1814a 100644
--- a/opengl/tools/glgen/src/JniCodeEmitter.java
+++ b/opengl/tools/glgen/src/JniCodeEmitter.java
@@ -37,6 +37,12 @@
jniName += "L";
} else if (baseType.equals("byte")) {
jniName += "B";
+ } else if (baseType.equals("String")) {
+ jniName += "Ljava/lang/String;";
+ } else if (baseType.equals("void")) {
+ // nothing.
+ } else {
+ throw new RuntimeException("Uknown primitive basetype " + baseType);
}
return jniName;
}
@@ -629,7 +635,7 @@
}
// Append signature to function name
- String sig = getJniMangledName(signature).replace('.', '_');
+ String sig = getJniMangledName(signature).replace('.', '_').replace('/', '_');
out.print("__" + sig);
outName += "__" + sig;
@@ -652,6 +658,7 @@
nativeRegistrations.add(s);
List<Integer> nonPrimitiveArgs = new ArrayList<Integer>();
+ List<Integer> stringArgs = new ArrayList<Integer>();
int numBufferArgs = 0;
List<String> bufferArgNames = new ArrayList<String>();
@@ -682,6 +689,9 @@
} else {
suffix = "";
}
+ if (argType.isString()) {
+ stringArgs.add(new Integer(i));
+ }
out.print(getJniType(argType) + " " + jfunc.getArgName(i) + suffix);
}
@@ -692,14 +702,19 @@
int numArrays = 0;
int numBuffers = 0;
+ int numStrings = 0;
for (int i = 0; i < nonPrimitiveArgs.size(); i++) {
int idx = nonPrimitiveArgs.get(i).intValue();
- if (jfunc.getArgType(idx).isArray()) {
+ JType argType = jfunc.getArgType(idx);
+ if (argType.isArray()) {
++numArrays;
}
- if (jfunc.getArgType(idx).isBuffer()) {
+ if (argType.isBuffer()) {
++numBuffers;
}
+ if (argType.isString()) {
+ ++numStrings;
+ }
}
// Emit method body
@@ -736,7 +751,9 @@
"android::gl::ogles_context_t *ctx = getContext(_env, _this);");
}
- boolean emitExceptionCheck = (numArrays > 0 || numBuffers > 0) &&
+ boolean initializeReturnValue = stringArgs.size() > 0;
+
+ boolean emitExceptionCheck = (numArrays > 0 || numBuffers > 0 || numStrings > 0) &&
hasNonConstArg(jfunc, cfunc, nonPrimitiveArgs);
// mChecker.getChecks(cfunc.getName()) != null
@@ -759,6 +776,9 @@
if (retval != null) {
out.println(indent + returnType.getDeclaration() +
" _returnValue = " + retval + ";");
+ } else if (initializeReturnValue) {
+ out.println(indent + returnType.getDeclaration() +
+ " _returnValue = 0;");
} else {
out.println(indent + returnType.getDeclaration() +
" _returnValue;");
@@ -789,7 +809,7 @@
jfunc.getArgName(idx) +
"_base = (" + decl + ") 0;");
}
- remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" :
+ remaining = ((numArrays + numBuffers) <= 1) ? "_remaining" :
"_" + cname + "Remaining";
out.println(indent +
"jint " + remaining + ";");
@@ -803,6 +823,40 @@
out.println();
}
+ // Emit local variable declaration for strings
+ if (stringArgs.size() > 0) {
+ for (int i = 0; i < stringArgs.size(); i++) {
+ int idx = stringArgs.get(i).intValue();
+ int cIndex = jfunc.getArgCIndex(idx);
+ String cname = cfunc.getArgName(cIndex);
+
+ out.println(indent + "const char* _native" + cname + " = 0;");
+ }
+
+ out.println();
+ }
+
+ // Null pointer checks and GetStringUTFChars
+ if (stringArgs.size() > 0) {
+ for (int i = 0; i < stringArgs.size(); i++) {
+ int idx = stringArgs.get(i).intValue();
+ int cIndex = jfunc.getArgCIndex(idx);
+ String cname = cfunc.getArgName(cIndex);
+
+ CType type = cfunc.getArgType(jfunc.getArgCIndex(idx));
+ String decl = type.getDeclaration();
+ out.println(indent + "if (!" + cname + ") {");
+ out.println(indent + " _env->ThrowNew(IAEClass, \"" + cname + " == null\");");
+ out.println(indent + " goto exit;");
+ needsExit = true;
+ out.println(indent + "}");
+
+ out.println(indent + "_native" + cname + " = _env->GetStringUTFChars(" + cname + ", 0);");
+ }
+
+ out.println();
+ }
+
// Emit 'GetPrimitiveArrayCritical' for arrays
// Emit 'GetPointer' calls for Buffer pointers
int bufArgIdx = 0;
@@ -814,7 +868,7 @@
String cname = cfunc.getArgName(cIndex);
offset = numArrays <= 1 ? "offset" :
cname + "Offset";
- remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" :
+ remaining = ((numArrays + numBuffers) <= 1) ? "_remaining" :
"_" + cname + "Remaining";
if (jfunc.getArgType(idx).isArray()) {
@@ -957,8 +1011,11 @@
out.print(indent + indent +
"(" +
typecast +
- ")" +
- cfunc.getArgName(i));
+ ")");
+ if (cfunc.getArgType(i).isConstCharPointer()) {
+ out.print("_native");
+ }
+ out.print(cfunc.getArgName(i));
if (i == numArgs - 1) {
if (isPointerFunc) {
@@ -1025,6 +1082,22 @@
}
}
+ // Emit local variable declaration for strings
+ if (stringArgs.size() > 0) {
+ for (int i = 0; i < stringArgs.size(); i++) {
+ int idx = stringArgs.get(i).intValue();
+ int cIndex = jfunc.getArgCIndex(idx);
+ String cname = cfunc.getArgName(cIndex);
+
+ out.println(indent + "if (_native" + cname + ") {");
+ out.println(indent + " _env->ReleaseStringUTFChars(" + cname + ", _native" + cname + ");");
+ out.println(indent + "}");
+ }
+
+ out.println();
+ }
+
+
if (!isVoid) {
out.println(indent + "return _returnValue;");
}