1 files changed, 22 insertions, 16 deletions

diff --git a/libs/rs/rsg_ScriptJavaClass.cpp b/libs/rs/rsg_ScriptJavaClass.cpp
index cee9f52ea1df..a38553f73379 100644
--- a/libs/rs/rsg_ScriptJavaClass.cpp
+++ b/libs/rs/rsg_ScriptJavaClass.cpp
@@ -7,8 +7,12 @@
 struct Element;
 
 struct ElementField {
+    // An Element Field is a combination of an Element with a name assigned.
+
     const char *name;
     Element *e;
+
+
     ElementField(const char *n, Element *_e) {
         name = n;
         e = _e;
@@ -20,12 +24,21 @@ struct ElementField {
 };
 
 struct Element {
+    // An Element can take one of two forms.
+    // 1: Basic.  It contains a single basic type and vector size.
+    // 2: Complex.  It contains a list of fields with names.  Each field
+    // will in turn be another element.
+
     ElementField *fields;
-    size_t fieldCount;
+    size_t fieldCount;  // If field count is 0, the element is a Basic type.
     const char *name;
     bool generated;
 
+    // The basic data type from RenderScript.h
     RsDataType compType;
+
+    // The vector size of the data type for float2, float3, ....
+    // Allowed sizes are 2,3,4,8,16
     uint32_t compVectorSize;
 
     Element() {
@@ -58,8 +71,7 @@ struct Element {
 };
 
 
-static void genHeader(FILE *f, const char *packageName)
-{
+static void genHeader(FILE *f, const char *packageName) {
     fprintf(f, "package %s;\n", packageName);
     fprintf(f, "\n");
     fprintf(f, "import android.renderscript.*;\n");
@@ -67,9 +79,8 @@ static void genHeader(FILE *f, const char *packageName)
     fprintf(f, "\n");
 }
 
-static const char * RSTypeToJava(RsDataType dt)
-{
-    switch(dt) {
+static const char * RSTypeToJava(RsDataType dt) {
+    switch (dt) {
     //case RS_TYPE_FLOAT_16:         return "float";
     case RS_TYPE_FLOAT_32:         return "float";
     //case RS_TYPE_FLOAT_64:         return "double";
@@ -99,9 +110,8 @@ static const char * RSTypeToJava(RsDataType dt)
     return NULL;
 }
 
-static const char * RSTypeToString(RsDataType dt)
-{
-    switch(dt) {
+static const char * RSTypeToString(RsDataType dt) {
+    switch (dt) {
     case RS_TYPE_FLOAT_16:         return "F16";
     case RS_TYPE_FLOAT_32:         return "F32";
     case RS_TYPE_FLOAT_64:         return "F64";
@@ -131,8 +141,7 @@ static const char * RSTypeToString(RsDataType dt)
     return NULL;
 }
 
-bool rsGenerateElementClass(const Element *e, const char *packageName, FILE *f)
-{
+bool rsGenerateElementClass(const Element *e, const char *packageName, FILE *f) {
     genHeader(f, packageName);
 
     fprintf(f, "class Element_%s {\n", e->name);
@@ -184,8 +193,7 @@ bool rsGenerateElementClass(const Element *e, const char *packageName, FILE *f)
     return true;
 }
 
-bool rsGenerateElementClassFile(Element *e, const char *packageName)
-{
+bool rsGenerateElementClassFile(Element *e, const char *packageName) {
     char buf[1024];
     sprintf(buf, "Element_%s.java", e->name);
     printf("Creating file %s \n", buf);
@@ -217,8 +225,7 @@ bool rsGenerateScriptClass(const ScriptC *script, const char *packageName, FILE
 
 
 
-int main(int argc, const char *argv)
-{
+int main(int argc, const char *argv) {
     Element *u8 = new Element(RS_TYPE_UNSIGNED_8, 1);
     Element *i32 = new Element(RS_TYPE_SIGNED_32, 1);
     Element *f32 = new Element(RS_TYPE_FLOAT_32, 1);
@@ -249,6 +256,5 @@ int main(int argc, const char *argv)
     printf("1\n");
     rsGenerateElementClassFile(e_Pixel, "android");
     rsGenerateElementClassFile(e_Params, "android");
-
 }