From 3ea6feb84ce278acdc0eed3cdbb7dbb8aa41c78f Mon Sep 17 00:00:00 2001
From: tschw <tschwinger@isonews2.com>
Date: Tue, 7 Jul 2015 01:04:29 +0200
Subject: [PATCH] WebGLProgram: Compilation errors go to .diagnostics.

---
 src/renderers/webgl/WebGLProgram.js | 44 ++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 7 deletions(-)

diff --git a/src/renderers/webgl/WebGLProgram.js b/src/renderers/webgl/WebGLProgram.js
index c872fc1c9e..8d8f7a3de3 100644
--- a/src/renderers/webgl/WebGLProgram.js
+++ b/src/renderers/webgl/WebGLProgram.js
@@ -379,22 +379,52 @@ THREE.WebGLProgram = ( function () {
 
 		gl.linkProgram( program );
 
-		var programLogInfo = gl.getProgramInfoLog( program );
-		var vertexErrorLogInfo = gl.getShaderInfoLog( glVertexShader );
-		var fragmentErrorLogInfo = gl.getShaderInfoLog( glFragmentShader );
+		var programLog = gl.getProgramInfoLog( program );
+		var vertexLog = gl.getShaderInfoLog( glVertexShader );
+		var fragmentLog = gl.getShaderInfoLog( glFragmentShader );
+
+		var runnable = true;
+		var haveDiagnostics = true;
 
 		if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {
 
-			console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLogInfo, vertexErrorLogInfo, fragmentErrorLogInfo );
+			runnable = false;
 
-		}
+			console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );
+
+		} else if ( programLog !== '' ) {
 
-		else if ( programLogInfo !== '' ) {
+			console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );
 
-			console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLogInfo );
+		} else if ( vertexLog === '' || fragmentLog === '' ) {
+
+			haveDiagnostics = false;
 
 		}
 
+		if ( haveDiagnostics ) this.diagnostics = {
+
+			runnable: runnable,
+			material: material,
+
+			programLog: programLog,
+
+			vertexShader: {
+
+				log: vertexLog,
+				prefix: prefixVertex
+
+			},
+
+			fragmentShader: {
+
+				log: fragmentLog,
+				prefix: prefixFragment
+
+			}
+
+		};
+
 		// clean up
 
 		gl.deleteShader( glVertexShader );
-- 
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