From 6b2958cad3dc168c2e8c52ef36e66a89dc78e801 Mon Sep 17 00:00:00 2001
From: ExMix <rahuba.youri@mapswithme.com>
Date: Tue, 5 Aug 2014 12:31:56 +0300
Subject: [PATCH] [drape] new clear depth buffer function

---
 drape/glfunctions.cpp | 6 ++++++
 drape/glfunctions.hpp | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drape/glfunctions.cpp b/drape/glfunctions.cpp
index 3e1a694176..4134430756 100644
--- a/drape/glfunctions.cpp
+++ b/drape/glfunctions.cpp
@@ -194,6 +194,12 @@ void GLFunctions::glClear()
   GLCHECK(glClearFn(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT));
 }
 
+void GLFunctions::glClearDepth()
+{
+  ASSERT(glClearFn != NULL, ());
+  GLCHECK(glClearFn(GL_DEPTH_BUFFER_BIT));
+}
+
 void GLFunctions::glViewport(uint32_t x, uint32_t y, uint32_t w, uint32_t h)
 {
   ASSERT(glViewportFn != NULL, ());
diff --git a/drape/glfunctions.hpp b/drape/glfunctions.hpp
index 3046224d59..9c0cbff0f5 100644
--- a/drape/glfunctions.hpp
+++ b/drape/glfunctions.hpp
@@ -11,6 +11,7 @@ public:
   static bool glHasExtension(string const & name);
   static void glClearColor(float r, float g, float b, float a);
   static void glClear();
+  static void glClearDepth();
   static void glViewport(uint32_t x, uint32_t y, uint32_t w, uint32_t h);
   static void glFlush();