sigonasr2
/
jmonkeyengine
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* Capabilities are now parsed and a GLCaps final class is generated from them

Browse Source
experimental
shadowislord 11 years ago
parent 2774a8f679
commit ffb9e287bd
1 changed files with 80 additions and 32 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 112
      jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java

112
jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java
Unescape View File

@ -10,6 +10,7 @@ import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.TreeSet;
import org.lwjgl.opengl.ARBDrawInstanced;
@ -17,6 +18,7 @@ import org.lwjgl.opengl.ARBGeometryShader4;
import org.lwjgl.opengl.ARBInstancedArrays;
import org.lwjgl.opengl.ARBMultisample;
import org.lwjgl.opengl.ARBTextureMultisample;
import org.lwjgl.opengl.ContextCapabilities;
import org.lwjgl.opengl.EXTFramebufferBlit;
import org.lwjgl.opengl.EXTFramebufferMultisample;
import org.lwjgl.opengl.EXTFramebufferObject;
@ -86,9 +88,26 @@ public class GLAutoGen {
private static final HashMap<String, List<MethodInfo>> methodMap
= new HashMap<String, List<MethodInfo>>();
private static final HashSet<String> capsSet
= new HashSet<String>();
private static final TreeSet<String> usedConstants = new TreeSet<String>();
private static final TreeSet<String> usedMethods = new TreeSet<String>();
private static final TreeSet<String> usedCaps = new TreeSet<String>();
private static void scanCapsFromType(Class<?> clazz) {
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
if ((field.getModifiers() & (Modifier.STATIC | Modifier.PUBLIC)) != 0) {
String name = field.getName();
Class<?> type = field.getType();
if (type == boolean.class) {
capsSet.add(name);
}
}
}
}
private static void scanConstantsFromType(Class<?> clazz) {
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
@ -143,13 +162,14 @@ public class GLAutoGen {
}
}
private static void scanType(Class<?> clazz) {
private static void scanGLType(Class<?> clazz) {
scanConstantsFromType(clazz);
scanMethodsFromType(clazz);
}
private static Collection<String> scanConstants(String line) {
List<String> constants = new ArrayList<String>();
private static void scanConstants(String line,
Collection<String> consts,
Collection<String> caps) {
int next_gl = line.indexOf("GL_");
while (next_gl > 0) {
char chrBefore = line.charAt(next_gl - 1);
@ -159,24 +179,28 @@ public class GLAutoGen {
&& chrBefore != '(') {
// System.out.println(line + "\t\t\t\tPreceding character \"" + chrBefore + "\" not acceptable.");
} else {
boolean isCap = false;
for (int scan_idx = next_gl + 3; scan_idx < line.length(); scan_idx++) {
char chrCall = line.charAt(scan_idx);
if (Character.isLowerCase(chrCall)) {
// GL constants cannot have lowercase letters.
break;
// This is most likely capability type.
isCap = true;
} else if (!Character.isLetterOrDigit(chrCall) && chrCall != '_') {
constants.add(line.substring(next_gl, scan_idx));
if (isCap) {
caps.add(line.substring(next_gl, scan_idx));
} else {
consts.add(line.substring(next_gl, scan_idx));
}
break;
}
}
}
next_gl = line.indexOf("GL_", next_gl + 3);
}
return constants;
}
private static Collection<String> scanMethods(String line) {
List<String> methods = new ArrayList<String>();
private static void scanMethods(String line, Collection<String> methods) {
int next_gl = line.indexOf("gl");
while (next_gl > 0) {
char chrBefore = line.charAt(next_gl - 1);
@ -200,11 +224,13 @@ public class GLAutoGen {
}
next_gl = line.indexOf("gl", next_gl + 2);
}
return methods;
}
private static void scanFile(String path) {
FileReader reader = null;
List<String> methods = new ArrayList<String>();
List<String> consts = new ArrayList<String>();
List<String> caps = new ArrayList<String>();
try {
reader = new FileReader(path);
BufferedReader br = new BufferedReader(reader);
@ -213,9 +239,13 @@ public class GLAutoGen {
if (line == null) {
break;
}
usedMethods.addAll(scanMethods(line));
usedConstants.addAll(scanConstants(line));
scanMethods(line, methods);
scanConstants(line, consts, caps);
}
usedMethods.addAll(methods);
usedConstants.addAll(consts);
usedCaps.addAll(caps);
} catch (IOException ex) {
ex.printStackTrace();
} finally {
@ -231,6 +261,20 @@ public class GLAutoGen {
private static void exportInterface() {
System.out.println("package autogen;");
System.out.println();
System.out.println("public final class GLCaps {");
System.out.println();
System.out.println("\tprivate GLCaps { }");
System.out.println();
for (String cap : capsSet) {
if (usedCaps.contains(cap)) {
System.out.println("\tpublic boolean " + cap + ";");
}
}
System.out.println();
System.out.println("}");
System.out.println();
System.out.println("/**");
System.out.println(" * Auto-generated interface");
System.out.println(" */");
@ -265,7 +309,7 @@ public class GLAutoGen {
}
for (MethodInfo info : infos) {
String retTypeStr = info.returnType.toString();
String retTypeStr = info.returnType.getSimpleName();
System.out.print("\tpublic " + retTypeStr + " " + method + "(");
for (int i = 0; i < info.paramTypes.length; i++) {
System.out.print(info.paramTypes[i].getSimpleName() + " param" + (i + 1));
@ -278,6 +322,9 @@ public class GLAutoGen {
}
System.out.println("// -- end methods");
System.out.println("// -- begin custom methods");
System.out.println("\tpublic GLCaps getGLCaps();");
System.out.println("// -- end custom methods");
System.out.println();
System.out.println("}");
}
@ -286,26 +333,27 @@ public class GLAutoGen {
String path = "../jme3-lwjgl/src/main/java/com/jme3/renderer/lwjgl/LwjglRenderer.java";
File lwjglRendererSrc = new File(path).getAbsoluteFile();
scanType(GL11.class);
scanType(GL14.class);
scanType(GL12.class);
scanType(GL13.class);
scanType(GL15.class);
scanType(GL20.class);
scanType(GL21.class);
scanType(GL30.class);
scanType(NVHalfFloat.class);
scanType(ARBGeometryShader4.class);
scanType(EXTFramebufferObject.class);
scanType(EXTFramebufferBlit.class);
scanType(EXTFramebufferMultisample.class);
scanType(ARBTextureMultisample.class);
scanType(ARBMultisample.class);
scanType(EXTTextureArray.class);
scanType(EXTTextureFilterAnisotropic.class);
scanType(ARBDrawInstanced.class);
scanType(ARBInstancedArrays.class);
scanGLType(GL11.class);
scanGLType(GL14.class);
scanGLType(GL12.class);
scanGLType(GL13.class);
scanGLType(GL15.class);
scanGLType(GL20.class);
scanGLType(GL21.class);
scanGLType(GL30.class);
scanGLType(NVHalfFloat.class);
scanGLType(ARBGeometryShader4.class);
scanGLType(EXTFramebufferObject.class);
scanGLType(EXTFramebufferBlit.class);
scanGLType(EXTFramebufferMultisample.class);
scanGLType(ARBTextureMultisample.class);
scanGLType(ARBMultisample.class);
scanGLType(EXTTextureArray.class);
scanGLType(EXTTextureFilterAnisotropic.class);
scanGLType(ARBDrawInstanced.class);
scanGLType(ARBInstancedArrays.class);
scanCapsFromType(ContextCapabilities.class);
scanFile(lwjglRendererSrc.toString());
exportInterface();

Write Preview
Loading…
Cancel
Save