This work fixes a problem where GL 3.30 was being chosen for (#493)

GLES 2.0 mode. GLES needs Version 3.00 ES.

This was done by switching the order of how a StaticGl Shader is constructed,
And there is additional code that properly sets up the GLSLGenerator for GLES mode.

Author: hibengler

src/libprojectM/Renderer/StaticGlShaders.h

@@ -16,7 +16,6 @@ class StaticGlShaders {
 
         static std::shared_ptr<StaticGlShaders> instance(
             new StaticGlShaders(use_gles));
-
         return instance;
     }
 
@@ -44,15 +43,18 @@ class StaticGlShaders {
         int major, minor;
     };
 
-    // Constructs a StaticGlShaders, overriding the version to GLES3 if
-    // `use_gles` is true.
-    StaticGlShaders(bool use_gles);
-
     // Queries the system GLSL version using
     // `glGetString(GL_SHADING_LANGUAGE_VERSION)` and returns the major and
     // minor numbers.
     GlslVersion QueryGlslVersion();
 
+    // Constructs a StaticGlShaders, overriding the version to GLES3 if
+    // `use_gles` is true.
+    // Note - this happens after GlslVersion is called, because it uses the 
+    // version to determine things.
+    StaticGlShaders(bool use_gles);
+
+
     // Prepends a string of the form "#version <number>\n" to the provided
     // shader text, where <number> is derived from the queried GLSL version (or
     // overridden when the manager was constructed with `use_gles` = true).

src/libprojectM/Renderer/hlslparser/src/GLSLGenerator.cpp

@@ -114,7 +114,12 @@ GLSLGenerator::GLSLGenerator() :
     m_tree                      = NULL;
     m_entryName                 = NULL;
     m_target                    = Target_VertexShader;
+#ifdef USE_GLES
+    m_version                   = Version_300_ES;
+#else
     m_version                   = Version_330;
+#endif
+	
     m_versionLegacy             = false;
     m_inAttribPrefix            = NULL;
     m_outAttribPrefix           = NULL;
@@ -233,7 +238,7 @@ bool GLSLGenerator::Generate(HLSLTree* tree, Target target, Version version, con
         m_writer.WriteLine(0, "precision highp float;");
     }
     else if (m_version == Version_300_ES)
-    {
+    {  
         m_writer.WriteLine(0, "#version 300 es");
         m_writer.WriteLine(0, "precision highp float;");
         m_writer.WriteLine(0, "precision highp sampler3D;");