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

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This commit is contained in:
shadowislord 2014-06-06 14:20:31 -04:00
parent 2774a8f679
commit ffb9e287bd
1 changed files with 80 additions and 32 deletions
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110
jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java
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@ -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;
@ -86,8 +88,25 @@ 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();
@ -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("}");
}
@ -286,25 +333,26 @@ 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());