Query GL for max number of lights to use.

4 files changed, 21 insertions, 18 deletions

diff --git a/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.cpp b/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.cpp
index 3ce8437a55b..0a8eb2d4e08 100644
--- a/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.cpp
+++ b/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.cpp
@@ -69,6 +69,9 @@
 
 KX_BlenderRenderTools::KX_BlenderRenderTools()
 {
+	glGetIntegerv(GL_MAX_LIGHTS, (GLint*) &m_numgllights);
+	if (m_numgllights < 8)
+		m_numgllights = 8;
 }
 
 /**
@@ -343,16 +346,13 @@ int	KX_BlenderRenderTools::applyLights(int objectlayer)
 		
 	vec[3]= 1.0;
 	
-	for(count=0; count<8; count++)
+	for(count=0; count<m_numgllights; count++)
 		glDisable((GLenum)(GL_LIGHT0+count));
 	
-	count= 0;
-
 	//std::vector<struct	RAS_LightObject*> m_lights;
 	std::vector<struct	RAS_LightObject*>::iterator lit = m_lights.begin();
-
 	
-	for (lit = m_lights.begin(); !(lit==m_lights.end()); ++lit)
+	for (lit = m_lights.begin(), count = 0; !(lit==m_lights.end()) && count < m_numgllights; ++lit)
 	{
 		RAS_LightObject* lightdata = (*lit);
 		if (lightdata->m_layer & objectlayer)
@@ -410,11 +410,9 @@ int	KX_BlenderRenderTools::applyLights(int objectlayer)
 			glLightfv((GLenum)(GL_LIGHT0+count), GL_SPECULAR, vec);
 			glEnable((GLenum)(GL_LIGHT0+count));
 
-			glPopMatrix();
-
 			count++;
-			if(count>7) 
-				break;
+			
+			glPopMatrix();
 		}
 	}
 
@@ -435,3 +433,5 @@ RAS_IPolyMaterial* KX_BlenderRenderTools::CreateBlenderPolyMaterial(
 		ba,matname,tile,tilexrep,tileyrep,mode,transparant,lightlayer
 		,bIsTriangle,clientobject,(struct TFace*)tface);
 }
+
+unsigned int KX_BlenderRenderTools::m_numgllights;
diff --git a/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.h b/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.h
index 91227967185..e8a789893ca 100644
--- a/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.h
+++ b/source/gameengine/BlenderRoutines/KX_BlenderRenderTools.h
@@ -51,7 +51,8 @@ class KX_BlenderRenderTools  : public RAS_IRenderTools
 	void*	m_lastblenderobject;
 	int		m_lastlayer;
 	bool	m_lastlighting;
-
+	static unsigned int m_numgllights;
+	
 public:
 	
 						KX_BlenderRenderTools();
diff --git a/source/gameengine/GamePlayer/common/GPC_RenderTools.cpp b/source/gameengine/GamePlayer/common/GPC_RenderTools.cpp
index 3a7520861f9..79d769f7a1a 100644
--- a/source/gameengine/GamePlayer/common/GPC_RenderTools.cpp
+++ b/source/gameengine/GamePlayer/common/GPC_RenderTools.cpp
@@ -103,6 +103,9 @@
 GPC_RenderTools::GPC_RenderTools()
 {
 	m_font = BMF_GetFont(BMF_kHelvetica10);
+	glGetIntegerv(GL_MAX_LIGHTS, (GLint*) &m_numgllights);
+	if (m_numgllights < 8)
+		m_numgllights = 8;
 }
 
 
@@ -326,16 +329,14 @@ int GPC_RenderTools::applyLights(int objectlayer)
 	
 	vec[3]= 1.0;
 	
-	for(count=0; count<8; count++)
+	for(count=0; count<m_numgllights; count++)
 		glDisable((GLenum)(GL_LIGHT0+count));
 	
-	count= 0;
-
 	//std::vector<struct	RAS_LightObject*> m_lights;
 	std::vector<struct	RAS_LightObject*>::iterator lit = m_lights.begin();
 
 	
-	for (lit = m_lights.begin(); !(lit==m_lights.end()); ++lit)
+	for (lit = m_lights.begin(), count = 0; !(lit==m_lights.end()) && count < m_numgllights; ++lit)
 	{
 		RAS_LightObject* lightdata = (*lit);
 		if (lightdata->m_layer & objectlayer)
@@ -392,12 +393,10 @@ int GPC_RenderTools::applyLights(int objectlayer)
 			glLightfv((GLenum)(GL_LIGHT0+count), GL_DIFFUSE, vec); 
 			glLightfv((GLenum)(GL_LIGHT0+count), GL_SPECULAR, vec);
 			glEnable((GLenum)(GL_LIGHT0+count));
+			
+			count++;
 
 			glPopMatrix();
-
-			count++;
-			if(count>7) 
-				break;
 		}
 	}
 
@@ -511,3 +510,5 @@ void GPC_RenderTools::applyTransform(RAS_IRasterizer* rasty,double* oglmatrix,in
 		}
 	}
 }
+
+unsigned int GPC_RenderTools::m_numgllights;
diff --git a/source/gameengine/GamePlayer/common/GPC_RenderTools.h b/source/gameengine/GamePlayer/common/GPC_RenderTools.h
index c346003411c..3a878244e47 100644
--- a/source/gameengine/GamePlayer/common/GPC_RenderTools.h
+++ b/source/gameengine/GamePlayer/common/GPC_RenderTools.h
@@ -170,6 +170,7 @@ protected:
 
 
 	BMF_Font* m_font;
+	static unsigned int m_numgllights;
 };
 
 #endif  // __GPC_RENDERTOOLS_H