From 04176d52a89a029b45e8bcb7309037a3688ad9d9 Mon Sep 17 00:00:00 2001
From: Vincent Lejeune <vljn@ovi.com>
Date: Sat, 5 Apr 2014 20:16:15 +0200
Subject: [PATCH] Do not create shadow vao for ctx < gl 3.2

---
 src/graphics/stkinstancedscenenode.cpp | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/graphics/stkinstancedscenenode.cpp b/src/graphics/stkinstancedscenenode.cpp
index 78049e13c..f3c01bbee 100644
--- a/src/graphics/stkinstancedscenenode.cpp
+++ b/src/graphics/stkinstancedscenenode.cpp
@@ -77,9 +77,12 @@ void STKInstancedSceneNode::initinstancedvaostate(GLMesh &mesh, GeometricMateria
         glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
         glBufferData(GL_ARRAY_BUFFER, instance_pos.size() * sizeof(float), instance_pos.data(), GL_STATIC_DRAW);
         setInstanceAttribPointer<MeshShader::InstancedObjectPass1Shader>();
-        mesh.vao_shadow_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer, MeshShader::InstancedShadowShader::attrib_position, -1, -1, -1, -1, -1, -1, mesh.Stride);
-        glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
-        setInstanceAttribPointer<MeshShader::InstancedShadowShader>();
+        if (irr_driver->getGLSLVersion() >= 150)
+        {
+            mesh.vao_shadow_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer, MeshShader::InstancedShadowShader::attrib_position, -1, -1, -1, -1, -1, -1, mesh.Stride);
+            glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
+            setInstanceAttribPointer<MeshShader::InstancedShadowShader>();
+        }
         break;
     case FPSM_ALPHA_REF_TEXTURE:
         mesh.vao_first_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,
@@ -88,9 +91,12 @@ void STKInstancedSceneNode::initinstancedvaostate(GLMesh &mesh, GeometricMateria
         glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
         glBufferData(GL_ARRAY_BUFFER, instance_pos.size() * sizeof(float), instance_pos.data(), GL_STATIC_DRAW);
         setInstanceAttribPointer<MeshShader::InstancedObjectRefPass1Shader>();
-        mesh.vao_shadow_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer, MeshShader::InstancedRefShadowShader::attrib_position, MeshShader::InstancedRefShadowShader::attrib_texcoord, -1, -1, -1, -1, -1, mesh.Stride);
-        glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
-        setInstanceAttribPointer<MeshShader::InstancedRefShadowShader>();
+        if (irr_driver->getGLSLVersion() >= 150)
+        {
+            mesh.vao_shadow_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer, MeshShader::InstancedRefShadowShader::attrib_position, MeshShader::InstancedRefShadowShader::attrib_texcoord, -1, -1, -1, -1, -1, mesh.Stride);
+            glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
+            setInstanceAttribPointer<MeshShader::InstancedRefShadowShader>();
+        }
         break;
     case FPSM_GRASS:
         mesh.vao_first_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,