From ebd164deafa797040b8dd28bba44f2cb72a6643e Mon Sep 17 00:00:00 2001
From: SmileTheory <SmileTheory@gmail.com>
Date: Fri, 23 Aug 2013 00:55:28 -0700
Subject: [PATCH] #6004: OpenGL2: Make any CGEN_LIGHTING_DIFFUSE stages use
 lightall shader.

---
 code/renderergl2/tr_shader.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/code/renderergl2/tr_shader.c b/code/renderergl2/tr_shader.c
index da2a7c60..1eac87bb 100644
--- a/code/renderergl2/tr_shader.c
+++ b/code/renderergl2/tr_shader.c
@@ -2515,6 +2515,21 @@ static qboolean CollapseStagesToGLSL(void)
 		}
 	}
 
+	// convert any remaining lightingdiffuse stages to a lighting pass
+	for (i = 0; i < MAX_SHADER_STAGES; i++)
+	{
+		shaderStage_t *pStage = &stages[i];
+
+		if (!pStage->active)
+			continue;
+
+		if (pStage->rgbGen == CGEN_LIGHTING_DIFFUSE)
+		{
+			pStage->glslShaderGroup = tr.lightallShader;
+			pStage->glslShaderIndex = LIGHTDEF_USE_LIGHT_VECTOR;
+		}
+	}
+
 	return numStages;
 }