context/renderer: let renderer print out graphics hardware info

jme3-core/src/main/java/com/jme3/renderer/opengl/GL.java

@@ -115,6 +115,7 @@ public interface GL {
         public static final int GL_OUT_OF_MEMORY = 0x505;
 	public static final int GL_POINTS = 0x0;
 	public static final int GL_POLYGON_OFFSET_FILL = 0x8037;
+        public static final int GL_RENDERER = 0x1F01;
 	public static final int GL_REPEAT = 0x2901;
 	public static final int GL_REPLACE = 0x1E01;
 	public static final int GL_RGB = 0x1907;
@@ -171,6 +172,7 @@ public interface GL {
 	public static final int GL_UNSIGNED_SHORT = 0x1403;
         public static final int GL_UNSIGNED_SHORT_5_6_5 = 0x8363;
 	public static final int GL_UNSIGNED_SHORT_5_5_5_1 = 0x8034;
+        public static final int GL_VENDOR = 0x1F00;
 	public static final int GL_VERSION = 0x1F02;
 	public static final int GL_VERTEX_SHADER = 0x8B31;
 	public static final int GL_ZERO = 0x0;

jme3-core/src/main/java/com/jme3/renderer/opengl/GLRenderer.java

@@ -130,6 +130,11 @@ public class GLRenderer implements Renderer {
         return caps;
     }
     
+    // Not making public yet ...
+    public EnumMap<Limits, Integer> getLimits() {
+        return limits;
+    }
+
     private static HashSet<String> loadExtensions(String extensions) {
         HashSet<String> extensionSet = new HashSet<String>(64);
         for (String extension : extensions.split(" ")) {
@@ -418,13 +423,33 @@ public class GLRenderer implements Renderer {
             caps.add(Caps.SeamlessCubemap);
         }
         
-        if (hasExtension("GL_ARB_get_program_binary")) {
-            // OK ..
-            int binaryFormats = getInteger(GLExt.GL_NUM_PROGRAM_BINARY_FORMATS);
-            System.out.println("Binary Formats: " + binaryFormats);
-        }
+//        if (hasExtension("GL_ARB_get_program_binary")) {
+//            int binaryFormats = getInteger(GLExt.GL_NUM_PROGRAM_BINARY_FORMATS);
+//        }
         
-        logger.log(Level.FINE, "Caps: {0}", caps);
+        // Print context information
+        logger.log(Level.INFO, "OpenGL Renderer Information\n" +
+                               " * Vendor: {0}\n" +
+                               " * Renderer: {1}\n" +
+                               " * OpenGL Version: {2}\n" +
+                               " * GLSL Version: {3}",
+                               new Object[]{ 
+                                   gl.glGetString(GL.GL_VENDOR), 
+                                   gl.glGetString(GL.GL_RENDERER),
+                                   gl.glGetString(GL.GL_VERSION),
+                                   gl.glGetString(GL.GL_SHADING_LANGUAGE_VERSION)
+                               });
+        
+        // Print capabilities (if fine logging is enabled)
+        if (logger.isLoggable(Level.FINE)) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("Supported capabilities: \n");
+            for (Caps cap : caps)
+            {
+                sb.append("\t").append(cap.toString()).append("\n");
+            }
+            logger.log(Level.FINE, sb.toString());
+        }
         
         texUtil.initialize(caps);
     }
@@ -1094,14 +1119,22 @@ public class GLRenderer implements Renderer {
             needRegister = true;
         }
 
+        // If using GLSL 1.5, we bind the outputs for the user
+        // For versions 3.3 and up, user should use layout qualifiers instead.
+        boolean bindFragDataRequired = false;
+        
         for (ShaderSource source : shader.getSources()) {
             if (source.isUpdateNeeded()) {
                 updateShaderSourceData(source);
             }
+            if (source.getType() == ShaderType.Fragment
+                    && source.getLanguage().equals("GLSL150")) {
+                bindFragDataRequired = true;
+            }
             gl.glAttachShader(id, source.getId());
         }
 
-        if (caps.contains(Caps.OpenGL30) && gl3 != null) {
+        if (bindFragDataRequired) {
             // Check if GLSL version is 1.5 for shader
             gl3.glBindFragDataLocation(id, 0, "outFragColor");
             // For MRT

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglContext.java

@@ -84,25 +84,13 @@ public abstract class LwjglContext implements JmeContext {
     }
 
     protected void printContextInitInfo() {
-        logger.log(Level.INFO, "Lwjgl {0} context running on thread {1}",
-                new Object[]{Sys.getVersion(), Thread.currentThread().getName()});
-
-        logger.log(Level.INFO, "Adapter: {0}", Display.getAdapter());
-        logger.log(Level.INFO, "Driver Version: {0}", Display.getVersion());
-
-        String vendor = GL11.glGetString(GL11.GL_VENDOR);
-        logger.log(Level.INFO, "Vendor: {0}", vendor);
-
-        String version = GL11.glGetString(GL11.GL_VERSION);
-        logger.log(Level.INFO, "OpenGL Version: {0}", version);
-
-        String renderGl = GL11.glGetString(GL11.GL_RENDERER);
-        logger.log(Level.INFO, "Renderer: {0}", renderGl);
-
-        if (GLContext.getCapabilities().OpenGL20){
-            String shadingLang = GL11.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION);
-            logger.log(Level.INFO, "GLSL Ver: {0}", shadingLang);
-        }
+        logger.log(Level.INFO, "LWJGL {0} context running on thread {1}\n" +
+                               " * Graphics Adapter: {2}\n" +
+                               " * Driver Version: {3}\n" +
+                               " * Scaling Factor: {4}",
+                               new Object[]{ Sys.getVersion(), Thread.currentThread().getName(), 
+                                             Display.getAdapter(), Display.getVersion(),
+                                             Display.getPixelScaleFactor() });
     }
 
     protected ContextAttribs createContextAttribs() {