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GLAutoGen

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* Fix references to OpenGL** caps
 * Fix symbol corruption when two constants are referenced on the same line
 * Allow exporting to files
experimental
shadowislord 11 years ago
parent 36483c4b49
commit a08c7ae193
1 changed files with 142 additions and 63 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 195
      jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java

195
jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java
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@ -3,6 +3,7 @@ package jme3tools.autogen;
import java.io.BufferedReader; import java.io.BufferedReader;
import java.io.File; import java.io.File;
import java.io.FileReader; import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException; import java.io.IOException;
import java.lang.reflect.Field; import java.lang.reflect.Field;
import java.lang.reflect.Method; import java.lang.reflect.Method;
@ -13,26 +14,37 @@ import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.TreeSet; import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.lwjgl.opengl.ARBDepthBufferFloat;
import org.lwjgl.opengl.ARBDrawInstanced; import org.lwjgl.opengl.ARBDrawInstanced;
import org.lwjgl.opengl.ARBGeometryShader4; import org.lwjgl.opengl.ARBGeometryShader4;
import org.lwjgl.opengl.ARBHalfFloatPixel;
import org.lwjgl.opengl.ARBInstancedArrays; import org.lwjgl.opengl.ARBInstancedArrays;
import org.lwjgl.opengl.ARBMultisample; import org.lwjgl.opengl.ARBMultisample;
import org.lwjgl.opengl.ARBTextureFloat;
import org.lwjgl.opengl.ARBTextureMultisample; import org.lwjgl.opengl.ARBTextureMultisample;
import org.lwjgl.opengl.ARBVertexArrayObject;
import org.lwjgl.opengl.ContextCapabilities; import org.lwjgl.opengl.ContextCapabilities;
import org.lwjgl.opengl.EXTFramebufferBlit; import org.lwjgl.opengl.EXTFramebufferBlit;
import org.lwjgl.opengl.EXTFramebufferMultisample; import org.lwjgl.opengl.EXTFramebufferMultisample;
import org.lwjgl.opengl.EXTFramebufferObject; import org.lwjgl.opengl.EXTFramebufferObject;
import org.lwjgl.opengl.EXTFramebufferSRGB;
import org.lwjgl.opengl.EXTGpuShader4;
import org.lwjgl.opengl.EXTPackedDepthStencil;
import org.lwjgl.opengl.EXTPackedFloat;
import org.lwjgl.opengl.EXTTextureArray; import org.lwjgl.opengl.EXTTextureArray;
import org.lwjgl.opengl.EXTTextureCompressionLATC;
import org.lwjgl.opengl.EXTTextureCompressionS3TC;
import org.lwjgl.opengl.EXTTextureFilterAnisotropic; import org.lwjgl.opengl.EXTTextureFilterAnisotropic;
import org.lwjgl.opengl.EXTTextureSRGB;
import org.lwjgl.opengl.EXTTextureSharedExponent;
import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12; import org.lwjgl.opengl.GL12;
import org.lwjgl.opengl.GL13; import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL14; import org.lwjgl.opengl.GL14;
import org.lwjgl.opengl.GL15; import org.lwjgl.opengl.GL15;
import org.lwjgl.opengl.GL20; import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL21;
import org.lwjgl.opengl.GL30;
import org.lwjgl.opengl.NVHalfFloat;
public class GLAutoGen { public class GLAutoGen {
@ -117,7 +129,8 @@ public class GLAutoGen {
Object value = null; Object value = null;
if (constantMap.containsKey(name)) { if (constantMap.containsKey(name)) {
throw new UnsupportedOperationException(name + " constant redeclared"); // throw new UnsupportedOperationException(name + " constant redeclared");
continue;
} }
if (type == int.class) { if (type == int.class) {
@ -171,39 +184,39 @@ public class GLAutoGen {
Collection<String> consts, Collection<String> consts,
Collection<String> caps) { Collection<String> caps) {
String modifiedLine = line; String modifiedLine = line;
int next_gl = line.indexOf("GL_"); int next_gl = modifiedLine.indexOf("GL_");
while (next_gl > 0) { while (next_gl > 0) {
char chrBefore = line.charAt(next_gl - 1); char chrBefore = modifiedLine.charAt(next_gl - 1);
if (!Character.isWhitespace(chrBefore) if (!Character.isWhitespace(chrBefore)
&& chrBefore != '.' && chrBefore != '.'
&& chrBefore != '!' && chrBefore != '!'
&& chrBefore != '(') { && chrBefore != '('
// System.out.println(line + "\t\t\t\tPreceding character \"" + chrBefore + "\" not acceptable."); && chrBefore != ',') {
// System.out.println(modifiedLine + "\t\t\t\tPreceding character \"" + chrBefore + "\" not acceptable.");
} else { } else {
boolean isCap = false; boolean isCap = false;
for (int scan_idx = next_gl + 3; scan_idx < line.length(); scan_idx++) { for (int scan_idx = next_gl + 3; scan_idx < modifiedLine.length(); scan_idx++) {
char chrCall = line.charAt(scan_idx); char chrCall = modifiedLine.charAt(scan_idx);
if (Character.isLowerCase(chrCall)) { if (Character.isLowerCase(chrCall)) {
// GL constants cannot have lowercase letters. // GL constants cannot have lowercase letters.
// This is most likely capability type. // This is most likely capability type.
isCap = true; isCap = true;
} else if (!Character.isLetterOrDigit(chrCall) && chrCall != '_') { } else if (!Character.isLetterOrDigit(chrCall) && chrCall != '_') {
if (isCap) { if (isCap) {
caps.add(line.substring(next_gl, scan_idx)); caps.add(modifiedLine.substring(next_gl, scan_idx));
} else { } else {
consts.add(modifiedLine.substring(next_gl, scan_idx));
// Also perform in-line injection. // Also perform in-line injection.
modifiedLine = modifiedLine.substring(0, next_gl) modifiedLine = modifiedLine.substring(0, next_gl)
+ "GL." + "GL."
+ modifiedLine.substring(next_gl); + modifiedLine.substring(next_gl);
consts.add(line.substring(next_gl, scan_idx));
} }
break; break;
} }
} }
} }
next_gl = line.indexOf("GL_", next_gl + 3); next_gl = modifiedLine.indexOf("GL_", next_gl + 5);
} }
return modifiedLine; return modifiedLine;
} }
@ -242,7 +255,8 @@ public class GLAutoGen {
return modifiedLine; return modifiedLine;
} }
private static void scanFile(String path) { private static String scanFile(String path) {
StringBuilder sb = new StringBuilder();
FileReader reader = null; FileReader reader = null;
List<String> methods = new ArrayList<String>(); List<String> methods = new ArrayList<String>();
List<String> consts = new ArrayList<String>(); List<String> consts = new ArrayList<String>();
@ -257,14 +271,15 @@ public class GLAutoGen {
} }
line = scanMethods(line, methods); line = scanMethods(line, methods);
line = scanConstants(line, consts, caps); line = scanConstants(line, consts, caps);
System.out.println(line); sb.append(line).append("\n");
} }
usedMethods.addAll(methods); usedMethods.addAll(methods);
usedConstants.addAll(consts); usedConstants.addAll(consts);
usedCaps.addAll(caps); usedCaps.addAll(caps);
return sb.toString();
} catch (IOException ex) { } catch (IOException ex) {
ex.printStackTrace(); throw new RuntimeException(ex);
} finally { } finally {
if (reader != null) { if (reader != null) {
try { try {
@ -275,29 +290,47 @@ public class GLAutoGen {
} }
} }
private static void exportInterface() { private static void addOpenGLCap(String glCap) {
System.out.println("package autogen;"); usedCaps.add(glCap);
System.out.println(); capsSet.add(glCap);
System.out.println("public final class GLCaps {"); }
System.out.println();
System.out.println("\tprivate GLCaps { }"); private static String exportGLCaps() {
System.out.println(); StringBuilder sb = new StringBuilder();
sb.append("package jme3tools.autogen;\n");
for (String cap : capsSet) { sb.append("\n");
if (usedCaps.contains(cap)) { sb.append("public final class GLCaps {\n");
System.out.println("\tpublic boolean " + cap + ";"); sb.append("\n");
sb.append("\tprivate GLCaps () { }\n");
sb.append("\n");
for (String cap : usedCaps) {
if (capsSet.contains(cap)) {
sb.append("\tpublic boolean ").append(cap).append(";\n");
} else {
throw new IllegalStateException("Cannot find required cap: " + cap);
} }
} }
sb.append("\n");
sb.append("}\n");
return sb.toString();
}
System.out.println(); private static String exportGL() {
System.out.println("}"); StringBuilder sb = new StringBuilder();
System.out.println(); sb.append("package jme3tools.autogen;\n");
System.out.println("/**"); sb.append("\n");
System.out.println(" * Auto-generated interface"); sb.append("import java.nio.ByteBuffer;\n");
System.out.println(" */"); sb.append("import java.nio.DoubleBuffer;\n");
System.out.println("public interface GL {"); sb.append("import java.nio.FloatBuffer;\n");
System.out.println(); sb.append("import java.nio.IntBuffer;\n");
System.out.println("// -- begin constants"); sb.append("import java.nio.ShortBuffer;\n");
sb.append("\n");
sb.append("/**\n");
sb.append(" * Auto-generated interface\n");
sb.append(" */\n");
sb.append("public interface GL {\n");
sb.append("\n");
sb.append("// -- begin constants\n");
for (String constant : usedConstants) { for (String constant : usedConstants) {
ConstantInfo info = constantMap.get(constant); ConstantInfo info = constantMap.get(constant);
if (info == null) { if (info == null) {
@ -313,11 +346,13 @@ public class GLAutoGen {
valueStr = "0x" + Long.toHexString((Long) info.constantValue).toUpperCase(); valueStr = "0x" + Long.toHexString((Long) info.constantValue).toUpperCase();
} }
System.out.println("\tpublic static final " + typeStr + " " + info.constantName + " = " + valueStr + ";"); sb.append("\tpublic static final ").append(typeStr)
.append(" ").append(info.constantName)
.append(" = ").append(valueStr).append(";\n");
} }
System.out.println("// -- end constants"); sb.append("// -- end constants\n");
System.out.println(); sb.append("\n");
System.out.println("// -- begin methods"); sb.append("// -- begin methods\n");
for (String method : usedMethods) { for (String method : usedMethods) {
List<MethodInfo> infos = methodMap.get(method); List<MethodInfo> infos = methodMap.get(method);
@ -327,28 +362,56 @@ public class GLAutoGen {
for (MethodInfo info : infos) { for (MethodInfo info : infos) {
String retTypeStr = info.returnType.getSimpleName(); String retTypeStr = info.returnType.getSimpleName();
System.out.print("\tpublic " + retTypeStr + " " + method + "("); sb.append("\tpublic ").append(retTypeStr).append(" ").append(method).append("(");
for (int i = 0; i < info.paramTypes.length; i++) { for (int i = 0; i < info.paramTypes.length; i++) {
System.out.print(info.paramTypes[i].getSimpleName() + " param" + (i + 1)); sb.append(info.paramTypes[i].getSimpleName()).append(" param").append(i + 1);
if (i != info.paramTypes.length - 1) { if (i != info.paramTypes.length - 1) {
System.out.print(", "); sb.append(", ");
} }
} }
System.out.println(");"); sb.append(");\n");
} }
} }
System.out.println("// -- end methods"); sb.append("// -- end methods\n");
System.out.println("// -- begin custom methods"); sb.append("// -- begin custom methods\n");
System.out.println("\tpublic GLCaps getGLCaps();"); sb.append("\tpublic GLCaps getGLCaps();\n");
System.out.println("// -- end custom methods"); sb.append("// -- end custom methods\n");
System.out.println(); sb.append("\n");
System.out.println("}"); sb.append("}\n");
return sb.toString();
}
private static void writeFile(String path, String content) {
FileWriter writer = null;
try {
writer = new FileWriter(path);
writer.write(content);
writer.close();
} catch (IOException ex) {
ex.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException ex) {
}
}
}
} }
public static void main(String[] args) throws IOException { public static void main(String[] args) throws IOException {
String path = "../jme3-lwjgl/src/main/java/com/jme3/renderer/lwjgl/LwjglRenderer.java"; String rendererPath = "../jme3-lwjgl/src/main/java/com/jme3/renderer/lwjgl/LwjglRenderer.java";
File lwjglRendererSrc = new File(path).getAbsoluteFile(); String textureUtilPath = "../jme3-lwjgl/src/main/java/com/jme3/renderer/lwjgl/TextureUtil.java";
File rendererSrc = new File(rendererPath).getAbsoluteFile();
File textureUtilSrc = new File(textureUtilPath).getAbsoluteFile();
addOpenGLCap("OpenGL21");
addOpenGLCap("OpenGL30");
addOpenGLCap("OpenGL30");
addOpenGLCap("OpenGL31");
addOpenGLCap("OpenGL32");
addOpenGLCap("OpenGL33");
scanGLType(GL11.class); scanGLType(GL11.class);
scanGLType(GL14.class); scanGLType(GL14.class);
@ -356,9 +419,6 @@ public class GLAutoGen {
scanGLType(GL13.class); scanGLType(GL13.class);
scanGLType(GL15.class); scanGLType(GL15.class);
scanGLType(GL20.class); scanGLType(GL20.class);
scanGLType(GL21.class);
scanGLType(GL30.class);
scanGLType(NVHalfFloat.class);
scanGLType(ARBGeometryShader4.class); scanGLType(ARBGeometryShader4.class);
scanGLType(EXTFramebufferObject.class); scanGLType(EXTFramebufferObject.class);
scanGLType(EXTFramebufferBlit.class); scanGLType(EXTFramebufferBlit.class);
@ -369,10 +429,29 @@ public class GLAutoGen {
scanGLType(EXTTextureFilterAnisotropic.class); scanGLType(EXTTextureFilterAnisotropic.class);
scanGLType(ARBDrawInstanced.class); scanGLType(ARBDrawInstanced.class);
scanGLType(ARBInstancedArrays.class); scanGLType(ARBInstancedArrays.class);
scanGLType(ARBVertexArrayObject.class);
scanGLType(EXTFramebufferSRGB.class);
scanGLType(EXTGpuShader4.class);
scanGLType(EXTTextureCompressionLATC.class);
scanGLType(EXTTextureCompressionS3TC.class);
scanGLType(EXTTextureSRGB.class);
scanGLType(EXTTextureSharedExponent.class);
scanGLType(ARBDepthBufferFloat.class);
scanGLType(ARBHalfFloatPixel.class);
scanGLType(ARBTextureFloat.class);
scanGLType(EXTPackedDepthStencil.class);
scanGLType(EXTPackedFloat.class);
scanCapsFromType(ContextCapabilities.class); scanCapsFromType(ContextCapabilities.class);
scanFile(lwjglRendererSrc.toString()); String processedRenderer = scanFile(rendererSrc.toString());
String processedTextureUtil = scanFile(textureUtilSrc.toString());
String glCaps = exportGLCaps();
String gl = exportGL();
exportInterface(); //writeFile("src/main/java/jme3tools/autogen/GLRenderer.java", processedRenderer);
//writeFile("src/main/java/jme3tools/autogen/TextureUtil.java", processedTextureUtil);
//writeFile("src/main/java/jme3tools/autogen/GL.java", gl);
//writeFile("src/main/java/jme3tools/autogen/GLCaps.java", glCaps);
} }
} }

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