From 93ce1ad5088dbb4edf4f62de4ae2ed51d646f4f7 Mon Sep 17 00:00:00 2001
From: rtri <none@none>
Date: Sat, 23 Jan 2016 19:42:13 +0100
Subject: [PATCH] fix #5042

---
 rts/Game/Game.cpp             | 43 +++++++++++++++--------------------
 rts/Rendering/WorldDrawer.cpp | 14 ++++++++++++
 2 files changed, 32 insertions(+), 25 deletions(-)

diff --git a/rts/Game/Game.cpp b/rts/Game/Game.cpp
index ddbf399053c..9912317b015 100644
--- a/rts/Game/Game.cpp
+++ b/rts/Game/Game.cpp
@@ -1203,42 +1203,35 @@ bool CGame::Draw() {
 	}
 
 	{
+		SCOPED_TIMER("Game::DrawWorld");
+
 		minimap->Update();
 
-		if (doDrawWorld) {
+		if (doDrawWorld)
 			worldDrawer->GenerateIBLTextures();
-		}
-	}
 
-	glDepthMask(GL_TRUE);
-	glEnable(GL_DEPTH_TEST);
-	glDisable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glClearColor(mapInfo->atmosphere.fogColor[0], mapInfo->atmosphere.fogColor[1], mapInfo->atmosphere.fogColor[2], 0.0f);
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-	camera->Update();
+		camera->Update();
+
+		if (doDrawWorld)
+			worldDrawer->Draw();
 
-	if (doDrawWorld) {
-		worldDrawer->Draw();
-	} else {
 		worldDrawer->ResetMVPMatrices();
 	}
 
-	glDisable(GL_FOG);
-
-	SCOPED_TIMER("Game::DrawScreen");
+	{
+		SCOPED_TIMER("Game::DrawScreen");
 
-	if (doDrawWorld) {
-		eventHandler.DrawScreenEffects();
-	}
+		if (doDrawWorld)
+			eventHandler.DrawScreenEffects();
 
-	hudDrawer->Draw((gu->GetMyPlayer())->fpsController.GetControllee());
-	debugDrawerAI->Draw();
+		hudDrawer->Draw((gu->GetMyPlayer())->fpsController.GetControllee());
+		debugDrawerAI->Draw();
 
-	DrawInputReceivers();
-	DrawInputText();
-	DrawInterfaceWidgets();
-	mouse->DrawCursor();
+		DrawInputReceivers();
+		DrawInputText();
+		DrawInterfaceWidgets();
+		mouse->DrawCursor();
+	}
 
 	glEnable(GL_DEPTH_TEST);
 	glLoadIdentity();
diff --git a/rts/Rendering/WorldDrawer.cpp b/rts/Rendering/WorldDrawer.cpp
index 521d74b2943..49c6c24b203 100644
--- a/rts/Rendering/WorldDrawer.cpp
+++ b/rts/Rendering/WorldDrawer.cpp
@@ -226,6 +226,17 @@ void CWorldDrawer::ResetMVPMatrices() const
 void CWorldDrawer::Draw() const
 {
 	SCOPED_TIMER("WorldDrawer::Total");
+
+
+	glClearColor(mapInfo->atmosphere.fogColor[0], mapInfo->atmosphere.fogColor[1], mapInfo->atmosphere.fogColor[2], 0.0f);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+	glDepthMask(GL_TRUE);
+	glEnable(GL_DEPTH_TEST);
+	glDisable(GL_BLEND);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+
 	DrawOpaqueObjects();
 	DrawAlphaObjects();
 
@@ -240,6 +251,8 @@ void CWorldDrawer::Draw() const
 
 	DrawMiscObjects();
 	DrawBelowWaterOverlay();
+
+	glDisable(GL_FOG);
 }
 
 
@@ -411,6 +424,7 @@ void CWorldDrawer::DrawBelowWaterOverlay() const
 	}
 
 	{
+		// draw water-coloration quad in raw screenspace
 		ResetMVPMatrices();
 
 		glEnableClientState(GL_VERTEX_ARRAY);