Start on Program. I guess.

skeeto · skeeto · commit 4fc691bf15a6 · 2011-12-11T22:18:27.000-05:00
diff --git a/src/com/nullprogram/lwjgl/Program.java b/src/com/nullprogram/lwjgl/Program.java
@@ -0,0 +1,56 @@
+package com.nullprogram.lwjgl;
+
+import java.util.HashSet;
+import java.util.Set;
+import lombok.Getter;
+import org.lwjgl.LWJGLException;
+import org.lwjgl.opengl.GL20;
+
+public class Program {
+
+    @Getter
+    private final int handle = GL20.glCreateProgram();
+
+    private boolean disposed = false;
+
+    @Getter
+    private Set<Shader> shaders = new HashSet<Shader>();
+
+    public Program add(Shader shader) {
+        if (shaders.add(shader)) {
+            GL20.glAttachShader(handle, shader.getHandle());
+        }
+        return this;
+    }
+
+    public Program detach(Shader shader) {
+        if (shaders.remove(shader)) {
+            GL20.glDetachShader(shader.getHandle());
+        }
+    }
+
+    public Program attrib(GlBuffer buffer, String name) {
+        return this;
+    }
+
+    public void link() throws LWJGLException {
+        GL20.glLinkProgram(handle);
+        if (GL20.glGetProgram(handle, GL20.GL_LINK_STATUS) == 0) {
+            /* Link failed. */
+            int len = GL20.glGetProgram(handle, GL20.GL_INFO_LOG_LENGTH);
+            String info = GL20.glGetProgramInfoLog(handle, len);
+            throw new LWJGLException(info);
+        }
+    }
+
+    public void dispose() {
+        if (!disposed) {
+            GL20.glDeleteProgram(handle);
+        }
+    }
+
+    @Override
+    protected void finalize() {
+        dispose();
+    }
+}
