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Diffstat (limited to 'doc/GlueGen_Mapping.md')
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1 files changed, 74 insertions, 3 deletions
diff --git a/doc/GlueGen_Mapping.md b/doc/GlueGen_Mapping.md index b6a9514..5503db3 100644 --- a/doc/GlueGen_Mapping.md +++ b/doc/GlueGen_Mapping.md @@ -28,10 +28,12 @@ has the ability to perform significant transformations on the IR before glue code emission. GlueGen can produce native foreign function bindings to Java as well as -map native data structures to be fully accessible from Java including -potential calls to embedded function pointer. +[map native data structures](#struct-mapping) to be fully accessible from Java including +potential calls to [embedded function pointer](#struct-function-pointer-support). -GlueGen is also capable to bind even low-level APIs such as the Java Native Interface (JNI) and +GlueGen also supports [producing an OO-Style API mapping](#oo-style-api-interface-mapping) like [JOGL's incremental OpenGL Profile API levels](../../jogl/doc/uml/html/index.html). + +GlueGen is capable to bind low-level APIs such as the Java Native Interface (JNI) and the AWT Native Interface (JAWT) back up to the Java programming language. GlueGen utilizes [JCPP](https://jogamp.org/cgit/jcpp.git/about/), migrated C preprocessor written in Java. @@ -202,6 +204,75 @@ Runtime query is implemented as follows: \- MacOsX-32bit-gcc4 ∗ Windows +## OO-Style API Interface Mapping +GlueGen supports producing an OO-Style API mapping like [JOGL's incremental OpenGL Profile API levels](../../jogl/doc/uml/html/index.html). + +### OO-Style Mapping Settings + +* `ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL.java` + + Ignore all extended interface symbols from named Java source file. + + The named Java source file is parsed and a list of its symbols extracted, + allowing GlueGen to ignore these in the generated interface (here GLES3). + + This complements `Extends` setting, see below. + +* `Extends GLES3 GLES2` + + The generated interface GLES3 extends interface GLES2. + + This complements `ExtendedInterfaceSymbolsIgnore` setting, see above. + +* `Implements GLES3Impl GLES3` + + The generated implementation GLES3Impl implements interface GLES3. + +### OO-Style Example + +Example snippet from JOGL's GLES3 interface config `gl-if-es3.cfg` +``` +... + +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL2ES2.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GLES2.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL2ES3.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL3ES3.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL4ES3.java +ExtendedInterfaceSymbolsIgnore ../src/jogl/classes/com/jogamp/opengl/GLBase.java + +Package com.jogamp.opengl +Style InterfaceOnly +JavaClass GLES3 +Extends GLES3 GLES2 +Extends GLES3 GL4ES3 +... +``` + +Example snippet from JOGL's GLES3Impl implementation `gl-es3-impl.cfg` +``` +... +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL2ES2.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GLES2.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL2ES3.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL3ES3.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GL4ES3.java +ExtendedInterfaceSymbolsIgnore ../build-temp/gensrc/classes/com/jogamp/opengl/GLES3.java +ExtendedInterfaceSymbolsIgnore ../src/jogl/classes/com/jogamp/opengl/GLBase.java + +Style ImplOnly +ImplPackage jogamp.opengl.es3 +ImplJavaClass GLES3Impl +Implements GLES3Impl GLES2 +Implements GLES3Impl GLES3 +... +``` + +Above produces the GLES3 interface and its implementation as visible in JOGL's UML document [about OpenGL Profiles](../../jogl/doc/uml/html/index.html). + + ## Struct Mapping A *Struct* is a C compound type declaration, which can be mapped to a Java class. |