From 8d0d67a5ba201e739316946fb891e232d76d2f0b Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Mon, 16 Mar 2015 17:16:44 +0300
Subject: [PATCH] trying to fix OpenGL problem on MAC - part 2

---
 src/dlangui/graphics/glsupport.d | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/dlangui/graphics/glsupport.d b/src/dlangui/graphics/glsupport.d
index d5f896c4..122dbe98 100644
--- a/src/dlangui/graphics/glsupport.d
+++ b/src/dlangui/graphics/glsupport.d
@@ -86,16 +86,19 @@ class GLProgram {
 
         char[] versionLine;
         versionLine ~= "#version ";
-        foreach(ch; glslversion)
+        foreach(ch; glslversion) {
             if (ch >= '0' && ch <= '9')
                 versionLine ~= ch;
+            else if (ch != '.')
+                break;
+        }
         versionLine ~= "\n\n";
-        string sourceCode = versionLine ~ src;
-		Log.d("compileShader glsl=", glslversion, " code: ", sourceCode);
+        char[] sourceCode = versionLine ~ src;
+		Log.d("compileShader glsl=", glslversion, " code:\n", sourceCode);
 
         GLuint shader = glCreateShader(type);//GL_VERTEX_SHADER
         const char * psrc = sourceCode.toStringz;
-        GLuint len = cast(uint)src.length;
+        GLuint len = cast(uint)sourceCode.length;
         glShaderSource(shader, 1, &psrc, cast(const(int)*)&len);
         glCompileShader(shader);
         GLint compiled;
@@ -118,7 +121,7 @@ class GLProgram {
         }
     }
     bool compile() {
-		glslversion = cast(string)std.string.fromStringz(glGetString(GL_SHADING_LANGUAGE_VERSION));
+		glslversion = std.string.fromStringz(glGetString(GL_SHADING_LANGUAGE_VERSION)).dup;
         vertexShader = compileShader(vertexSource, GL_VERTEX_SHADER);
         fragmentShader = compileShader(fragmentSource, GL_FRAGMENT_SHADER);
         if (!vertexShader || !fragmentShader) {