From b0a6c94fa4f60b6641ac5169175118ddc2c3027d Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Sun, 9 Nov 2014 12:10:33 +0100
Subject: [PATCH] - fixed: the translucency flag for the flags renderer was
 inconsistent between the light pass and the render pass on GL 3.x hardware,
 resulting in bad buffer indices being sent to the shader.

---
 src/gl/scene/gl_drawinfo.cpp | 4 ++--
 src/gl/scene/gl_drawinfo.h   | 2 +-
 src/gl/scene/gl_scene.cpp    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/gl/scene/gl_drawinfo.cpp b/src/gl/scene/gl_drawinfo.cpp
index b92a2c6cf..d0da4e0d4 100644
--- a/src/gl/scene/gl_drawinfo.cpp
+++ b/src/gl/scene/gl_drawinfo.cpp
@@ -771,11 +771,11 @@ void GLDrawList::DrawSorted()
 //
 //
 //==========================================================================
-void GLDrawList::Draw(int pass)
+void GLDrawList::Draw(int pass, bool trans)
 {
 	for(unsigned i=0;i<drawitems.Size();i++)
 	{
-		DoDraw(pass, i, false);
+		DoDraw(pass, i, trans);
 	}
 }
 
diff --git a/src/gl/scene/gl_drawinfo.h b/src/gl/scene/gl_drawinfo.h
index 4e86073d8..6b869ef17 100644
--- a/src/gl/scene/gl_drawinfo.h
+++ b/src/gl/scene/gl_drawinfo.h
@@ -125,7 +125,7 @@ public:
 	void DoDraw(int pass, int index, bool trans);
 	void DoDrawSorted(SortNode * node);
 	void DrawSorted();
-	void Draw(int pass);
+	void Draw(int pass, bool trans = false);
 	void DrawWalls(int pass);
 	void DrawFlats(int pass);
 	void DrawDecals();
diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index eed892c6f..79d21e4e3 100644
--- a/src/gl/scene/gl_scene.cpp
+++ b/src/gl/scene/gl_scene.cpp
@@ -361,7 +361,7 @@ void FGLRenderer::RenderScene(int recursion)
 		gl_drawinfo->drawlists[GLDL_MASKEDFLATS].DrawFlats(GLPASS_LIGHTSONLY);
 		gl_drawinfo->drawlists[GLDL_MASKEDWALLSOFS].DrawWalls(GLPASS_LIGHTSONLY);
 		gl_drawinfo->drawlists[GLDL_TRANSLUCENTBORDER].Draw(GLPASS_LIGHTSONLY);
-		gl_drawinfo->drawlists[GLDL_TRANSLUCENT].Draw(GLPASS_LIGHTSONLY);
+		gl_drawinfo->drawlists[GLDL_TRANSLUCENT].Draw(GLPASS_LIGHTSONLY, true);
 		GLRenderer->mLights->Finish();
 	}