Renderer: make getLimits() public

jme3-core/src/main/java/com/jme3/renderer/Limits.java

@@ -41,42 +41,25 @@ package com.jme3.renderer;
  */
 public enum Limits {
     /**
-     * Maximum number of vertex texture units, or number of textures
+     * Maximum number of vertex texture units, or number of textures that can be
-     * that can be used in the vertex shader.
+     * used in the vertex shader.
      */
     VertexTextureUnits,
-    
     /**
-     * Maximum number of fragment texture units, or number of textures
+     * Maximum number of fragment texture units, or number of textures that can
-     * that can be used in the fragment shader.
+     * be used in the fragment shader.
      */
     FragmentTextureUnits,
-    
+    FragmentUniformVectors,
-    FragmentUniforms,
-    
-    VertexAttributes,
-    
-    FrameBufferSamples,
-    
-    FrameBufferAttachments,
-    
-    FrameBufferMrtAttachments,
-    
-    RenderBufferSize,
-    
-    TextureSize,
-    
-    CubemapSize,
-    
-    VertexCount,
-    
-    TriangleCount,
-    
-    ColorTextureSamples,
-    
-    DepthTextureSamples,
-
     VertexUniformVectors,
-    
+    VertexAttributes,
+    FrameBufferSamples,
+    FrameBufferAttachments,
+    FrameBufferMrtAttachments,
+    RenderBufferSize,
+    TextureSize,
+    CubemapSize,
+    ColorTextureSamples,
+    DepthTextureSamples,
     TextureAnisotropy,
 }

jme3-core/src/main/java/com/jme3/renderer/Renderer.java

@@ -43,6 +43,7 @@ import com.jme3.texture.Image;
 import com.jme3.texture.Texture;
 import com.jme3.util.NativeObject;
 import java.nio.ByteBuffer;
+import java.util.EnumMap;
 import java.util.EnumSet;
 
 /**
@@ -66,6 +67,13 @@ public interface Renderer {
      */
     public EnumSet<Caps> getCaps();
 
+    /**
+     * Get the limits of the renderer.
+     *
+     * @return The limits of the renderer.
+     */
+    public EnumMap<Limits, Integer> getLimits();
+
     /**
      * The statistics allow tracking of how data
      * per frame, such as number of objects rendered, number of triangles, etc.

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

@@ -252,18 +252,14 @@ public final class GLRenderer implements Renderer {
 
         limits.put(Limits.FragmentTextureUnits, getInteger(GL.GL_MAX_TEXTURE_IMAGE_UNITS));
 
-//        gl.glGetInteger(GL.GL_MAX_VERTEX_UNIFORM_COMPONENTS, intBuf16);
-//        vertexUniforms = intBuf16.get(0);
-//        logger.log(Level.FINER, "Vertex Uniforms: {0}", vertexUniforms);
-//
-//        gl.glGetInteger(GL.GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, intBuf16);
-//        fragUniforms = intBuf16.get(0);
-//        logger.log(Level.FINER, "Fragment Uniforms: {0}", fragUniforms);
         if (caps.contains(Caps.OpenGLES20)) {
+            limits.put(Limits.FragmentUniformVectors, getInteger(GL.GL_MAX_FRAGMENT_UNIFORM_VECTORS));
             limits.put(Limits.VertexUniformVectors, getInteger(GL.GL_MAX_VERTEX_UNIFORM_VECTORS));
         } else {
+            limits.put(Limits.FragmentUniformVectors, getInteger(GL.GL_MAX_FRAGMENT_UNIFORM_COMPONENTS) / 4);
             limits.put(Limits.VertexUniformVectors, getInteger(GL.GL_MAX_VERTEX_UNIFORM_COMPONENTS) / 4);
         }
+
         limits.put(Limits.VertexAttributes, getInteger(GL.GL_MAX_VERTEX_ATTRIBS));
         limits.put(Limits.TextureSize, getInteger(GL.GL_MAX_TEXTURE_SIZE));
         limits.put(Limits.CubemapSize, getInteger(GL.GL_MAX_CUBE_MAP_TEXTURE_SIZE));

jme3-core/src/main/java/com/jme3/system/NullRenderer.java

@@ -39,6 +39,7 @@ import com.jme3.material.RenderState;
 import com.jme3.math.ColorRGBA;
 import com.jme3.math.Matrix4f;
 import com.jme3.renderer.Caps;
+import com.jme3.renderer.Limits;
 import com.jme3.renderer.Renderer;
 import com.jme3.renderer.Statistics;
 import com.jme3.scene.Mesh;
@@ -48,13 +49,23 @@ import com.jme3.shader.Shader.ShaderSource;
 import com.jme3.texture.FrameBuffer;
 import com.jme3.texture.Image;
 import com.jme3.texture.Texture;
+import java.util.EnumMap;
 
 public class NullRenderer implements Renderer {
 
-    private static final EnumSet<Caps> caps = EnumSet.allOf(Caps.class);
+    private final EnumSet<Caps> caps = EnumSet.allOf(Caps.class);
-    private static final Statistics stats = new Statistics();
+    private final EnumMap<Limits, Integer> limits = new EnumMap<>(Limits.class);
+    private final Statistics stats = new Statistics();
 
     public void initialize() {
+        for (Limits limit : Limits.values()) {
+            limits.put(limit, Integer.MAX_VALUE);
+        }
+    }
+
+    @Override
+    public EnumMap<Limits, Integer> getLimits() {
+        return limits;
     }
 
     public EnumSet<Caps> getCaps() {