From da843cc8c143841cef72ad26cacf8ddc5ab76ee9 Mon Sep 17 00:00:00 2001
From: Vincent Lejeune <vljn@ovi.com>
Date: Sat, 16 Aug 2014 21:13:23 +0200
Subject: [PATCH] Add sampler object support

---
 src/graphics/glwrap.cpp | 8 ++++++++
 src/graphics/glwrap.hpp | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/src/graphics/glwrap.cpp b/src/graphics/glwrap.cpp
index 7387b9d8f..0cd8d2449 100644
--- a/src/graphics/glwrap.cpp
+++ b/src/graphics/glwrap.cpp
@@ -83,6 +83,10 @@ PFNGLTEXSTORAGE2DPROC glTexStorage2D;
 PFNGLTEXSTORAGE3DPROC glTexStorage3D;
 PFNGLBINDIMAGETEXTUREPROC glBindImageTexture;
 PFNGLDISPATCHCOMPUTEPROC glDispatchCompute;
+PFNGLGENSAMPLERSPROC glGenSamplers;
+PFNGLBINDSAMPLERPROC glBindSampler;
+PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf;
+PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri;
 #endif
 
 static bool is_gl_init = false;
@@ -249,6 +253,10 @@ void initGL()
     glTexStorage3D = (PFNGLTEXSTORAGE3DPROC)IRR_OGL_LOAD_EXTENSION("glTexStorage3D");
     glBindImageTexture = (PFNGLBINDIMAGETEXTUREPROC)IRR_OGL_LOAD_EXTENSION("glBindImageTexture");
     glDispatchCompute = (PFNGLDISPATCHCOMPUTEPROC)IRR_OGL_LOAD_EXTENSION("glDispatchCompute");
+    glGenSamplers = (PFNGLGENSAMPLERSPROC)IRR_OGL_LOAD_EXTENSION("glGenSamplers");
+    glBindSampler = (PFNGLBINDSAMPLERPROC)IRR_OGL_LOAD_EXTENSION("glBindSampler");
+    glSamplerParameterf = (PFNGLSAMPLERPARAMETERFPROC)IRR_OGL_LOAD_EXTENSION("glSamplerParameterf");
+    glSamplerParameteri = (PFNGLSAMPLERPARAMETERIPROC)IRR_OGL_LOAD_EXTENSION("glSamplerParameteri");
 #ifdef DEBUG
     glDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC)IRR_OGL_LOAD_EXTENSION("glDebugMessageCallbackARB");
 #endif
diff --git a/src/graphics/glwrap.hpp b/src/graphics/glwrap.hpp
index 2ed1994e1..9c63f79f2 100644
--- a/src/graphics/glwrap.hpp
+++ b/src/graphics/glwrap.hpp
@@ -108,6 +108,10 @@ extern PFNGLTEXSTORAGE2DPROC glTexStorage2D;
 extern PFNGLTEXSTORAGE3DPROC glTexStorage3D;
 extern PFNGLBINDIMAGETEXTUREPROC glBindImageTexture;
 extern PFNGLDISPATCHCOMPUTEPROC glDispatchCompute;
+extern PFNGLGENSAMPLERSPROC glGenSamplers;
+extern PFNGLBINDSAMPLERPROC glBindSampler;
+extern PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf;
+extern PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri;
 #ifdef DEBUG
 extern PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARB;
 #endif