Some optimizations

1 files changed, 7 insertions, 6 deletions

diff --git a/src/Renderer.h b/src/Renderer.h
index 1b6f91b..8072158 100644
--- a/src/Renderer.h
+++ b/src/Renderer.h
@@ -65,31 +65,31 @@ class Renderer {
       glEnd();
 
       // Render shadow volumes
+      Shader::enable(nullShader);
       glClear(GL_STENCIL_BUFFER_BIT);
       glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
       glDepthMask(GL_FALSE);
 
-      glFrontFace(GL_CCW);
+      glCullFace(GL_FRONT);
       glStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
 
       glBegin(GL_TRIANGLES);
       for(std::vector<ShadowVolume>::iterator v = shadowVolumes.begin(); v != shadowVolumes.end(); ++v) {
-        v->render();
+        renderShadowVolume(*v);
       }
       glEnd();
 
-      glFrontFace(GL_CW);
+      glCullFace(GL_BACK);
       glStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
 
       glBegin(GL_TRIANGLES);
       for(std::vector<ShadowVolume>::iterator v = shadowVolumes.begin(); v != shadowVolumes.end(); ++v) {
-        v->render();
+        renderShadowVolume(*v);
       }
       glEnd();
 
       glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
       glDepthMask(GL_TRUE);
-      glFrontFace(GL_CCW);
 
       // Render with point light
       Shader::enable(lightShader);
@@ -115,6 +115,7 @@ class Renderer {
 
   private:
     void renderTriangle(const Triangle &t);
+    static void renderShadowVolume(const ShadowVolume &v);
     void useTexture(unsigned texture);
 
     class RenderVisitor {
@@ -129,7 +130,7 @@ class Renderer {
         Renderer *renderer;
     };
 
-    boost::shared_ptr<Shader> ambientShader, lightShader;
+    boost::shared_ptr<Shader> nullShader, ambientShader, lightShader;
     unsigned activeTexture;
 
     const RenderVisitor renderVisitor;