From 2d22d9a880fee84af422505e69c1642c7a505b0f Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Tue, 5 Apr 2011 01:22:22 +0200
Subject: ShaderProgram: Add 'init(GL2ES2)', allowing GL program object
creation before link stage. This is required to allow proper usage of
'glBindAttribLocation()'.
---
.../com/jogamp/opengl/util/glsl/ShaderProgram.java | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
(limited to 'src/jogl/classes')
diff --git a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java
index 131858271..b6908c1a1 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java
@@ -172,6 +172,27 @@ public class ShaderProgram {
return true;
}
+ /**
+ * Creates the empty GL program object using {@link GL2ES2#glCreateProgram()}
+ *
+ * @param gl
+ */
+ public final void init(GL2ES2 gl) {
+ if(0>shaderProgram) {
+ shaderProgram = gl.glCreateProgram();
+ }
+ }
+
+ /**
+ * Compiles and links the shader code to the program.
+ * Within this process, all GL resources (shader and program objects) are created if necessary.
+ *
+ * @param gl
+ * @param verboseOut
+ * @return
+ *
+ * @see #init(GL2ES2)
+ */
public synchronized boolean link(GL2ES2 gl, PrintStream verboseOut) {
if(programLinked) throw new GLException("Program is already linked");
--
cgit v1.2.3