diff --git a/CMakeLists.txt b/CMakeLists.txt
index 574083bc..0388328a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,6 +116,8 @@ set(CPP_FILES
     ${CMAKE_SOURCE_DIR}/src/Types.cpp
     ${CMAKE_SOURCE_DIR}/src/pystring.cpp
     ${CMAKE_SOURCE_DIR}/src/NGLMessage.cpp
+    ${CMAKE_SOURCE_DIR}/src/BufferTextures.cpp
+
 )
 
 set(HEADERS
@@ -145,6 +147,7 @@ set(HEADERS
     ${CMAKE_SOURCE_DIR}/include/ngl/Shader.h
     ${CMAKE_SOURCE_DIR}/include/ngl/ShaderProgram.h
     ${CMAKE_SOURCE_DIR}/include/ngl/ShaderProgram.inl
+    ${CMAKE_SOURCE_DIR}/include/ngl/BufferTextures.h
     ${CMAKE_SOURCE_DIR}/include/ngl/Plane.h
     ${CMAKE_SOURCE_DIR}/include/ngl/AABB.h
     ${CMAKE_SOURCE_DIR}/include/ngl/Vec3.h
@@ -258,6 +261,7 @@ if(NOT DEFINED PYNGL_ONLY)
         ${CMAKE_SOURCE_DIR}/tests/MessageTests.cpp
         ${CMAKE_SOURCE_DIR}/tests/NGLStreamTest.cpp
         ${CMAKE_SOURCE_DIR}/tests/TextureTests.cpp
+        ${CMAKE_SOURCE_DIR}/tests/BufferTextureTests.cpp
         ${CMAKE_SOURCE_DIR}/tests/VAOFactoryTests.cpp
         
     )
@@ -326,7 +330,7 @@ if(NOT DEFINED PYNGL_ONLY)
 
     #    add_custom_target(CopyTestfiles ALL
 #        COMMAND ${CMAKE_COMMAND} -E copy_directory
-#        ${CMAKE_SOURCE_DIR}/tests/files
+#        ${CMAKE_SOURCE_DIR}/tests/filesinary
 #        ${CMAKE_BINARY_DIR}/files
 #            COMMENT "Copy Test files to build directory"
 #    )
diff --git a/include/ngl/BufferTextures.h b/include/ngl/BufferTextures.h
new file mode 100644
index 00000000..8d7bb0cd
--- /dev/null
+++ b/include/ngl/BufferTextures.h
@@ -0,0 +1,81 @@
+/*
+Copyright (C) 2024 Jon Macey
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef BUFFER_TEXTURE_H_
+#define BUFFER_TEXTURE_H_
+/// @file BufferTexture.h
+/// @brief BufferTexture storage class
+#include "Types.h"
+#include <string>
+
+namespace ngl
+{
+
+enum class GLTexBufferInternalFormat : GLenum
+{
+  R8 = GL_R8,
+  R16 = GL_R16,
+  R16F = GL_R16F,
+  R32F = GL_R32F,
+  R8I = GL_R8I,
+  R16I = GL_R16I,
+  R32I = GL_R32I,
+  R8UI = GL_R8UI,
+  R16UI = GL_R16UI,
+  R32UI = GL_R32UI,
+  RGB = GL_RG8,
+  RB16 = GL_RG16,
+  RG16F = GL_RG16F,
+  RG32F = GL_RG32F,
+  RG8I = GL_RG8I,
+  RG16I = GL_RG16I,
+  RG32I = GL_RG32I,
+  RG8UI = GL_RG8UI,
+  RG16UI = GL_RG16UI,
+  RG32UI = GL_RG32UI,
+  RGB32F = GL_RGB32F,
+  RGB32I = GL_RGB32I,
+  RGB32UI = GL_RGB32UI,
+  RGBA8 = GL_RGBA8,
+  RGBA16 = GL_RGBA16,
+  RGBA16F = GL_RGBA16F,
+  RGBA32F = GL_RGBA32F,
+  RGB8I = GL_RGBA8I,
+  RGBA16I = GL_RGBA16I,
+  RGBA32I = GL_RGBA32I,
+  RGBA8UI = GL_RGBA8UI,
+  RGBA16UI = GL_RGBA16UI,
+  RGBA32UI = GL_RGBA32UI
+};
+
+struct BufferTexture
+{
+  GLuint id;
+  GLenum target;
+  GLenum usage;
+  GLTexBufferInternalFormat internalFormat;
+  size_t size;
+};
+
+class BufferTextures
+{
+    public:
+  static size_t numBuffers() noexcept;
+
+    private:
+  static std::unordered_map< std::string, BufferTexture > s_texturebuffers;
+};
+} // end namspace ngl
+#endif
\ No newline at end of file
diff --git a/include/ngl/ShaderLib.h b/include/ngl/ShaderLib.h
index 85284446..96e00d35 100644
--- a/include/ngl/ShaderLib.h
+++ b/include/ngl/ShaderLib.h
@@ -138,6 +138,10 @@ class NGL_DLLEXPORT ShaderLib
   //----------------------------------------------------------------------------------------------------------------------
   static void bindFragDataLocation(std::string_view _programName, GLuint _index, std::string_view _attribName) noexcept;
 
+  // bind sampler 
+  static void bindSampler(std::string_view _samplerName, GLuint _index) noexcept;
+
+
   //----------------------------------------------------------------------------------------------------------------------
   /// @brief method to load shaders
   /// @param[in] _shaderName the name of the shader to be stored in the Manager
diff --git a/include/ngl/ShaderProgram.h b/include/ngl/ShaderProgram.h
index 3985bcca..166f21fd 100644
--- a/include/ngl/ShaderProgram.h
+++ b/include/ngl/ShaderProgram.h
@@ -77,6 +77,14 @@ class NGL_DLLEXPORT ShaderProgram
   /// @param _attribName the name of the attribute we wish to use
   //----------------------------------------------------------------------------------------------------------------------
   void bindAttribute(GLuint index, std::string_view _attribName) noexcept;
+
+  //----------------------------------------------------------------------------------------------------------------------
+  /// @brief bind a sampler in the Program object to _index using attribname
+  /// @param _index the index number we wish to bind to
+  /// @param _attribName the name of the attribute we wish to use
+  //----------------------------------------------------------------------------------------------------------------------
+  void bindSampler(std::string_view _name,GLuint index) noexcept;
+
   //----------------------------------------------------------------------------------------------------------------------
   /// @brief bind fragment output location in the Program object to _index using attribname
   /// @param _index the index number we wish to bind to
diff --git a/src/BufferTextures.cpp b/src/BufferTextures.cpp
new file mode 100644
index 00000000..bfd3b6ad
--- /dev/null
+++ b/src/BufferTextures.cpp
@@ -0,0 +1,13 @@
+#include "BufferTextures.h"
+
+namespace ngl
+{
+
+std::unordered_map< std::string, BufferTexture > BufferTextures::s_texturebuffers;
+
+size_t BufferTextures::numBuffers() noexcept
+{
+  return s_texturebuffers.size();
+}
+
+}
\ No newline at end of file
diff --git a/src/ShaderLib.cpp b/src/ShaderLib.cpp
index de6638c6..996038e3 100644
--- a/src/ShaderLib.cpp
+++ b/src/ShaderLib.cpp
@@ -594,6 +594,27 @@ void ShaderLib::bindAttribute(std::string_view _programName, GLuint _index, std:
   }
 }
 
+//----------------------------------------------------------------------------------------------------------------------
+void ShaderLib::bindSampler(std::string_view _samplerName, GLuint _index) noexcept
+{
+  
+
+
+  m_shaderPrograms[m_currentShader]->bindSampler(_samplerName, _index);
+  // // make sure we have a valid  program
+  // if(auto program = m_shaderPrograms.find(_programName.data()); program != m_shaderPrograms.end())
+  // {
+  //   program->second->bindSampler(_index);
+  // }
+  // else
+  // {
+  //   NGLMessage::addWarning(fmt::format("Warning Program not know in bindSampler {0}", _programName.data()));
+  // }
+}
+
+
+
+
 //----------------------------------------------------------------------------------------------------------------------
 void ShaderLib::bindFragDataLocation(std::string_view _programName, GLuint _index, std::string_view _attribName) noexcept
 {
diff --git a/src/ShaderProgram.cpp b/src/ShaderProgram.cpp
index 8224f644..d03b4ac9 100644
--- a/src/ShaderProgram.cpp
+++ b/src/ShaderProgram.cpp
@@ -93,6 +93,26 @@ void ShaderProgram::bindAttribute(GLuint _index, std::string_view _attribName) n
   NGLCheckGLError(__FILE__, __LINE__);
 }
 
+
+void ShaderProgram::bindSampler(std::string_view _name,GLuint _index) noexcept
+{
+  if(m_linked)
+  {
+    NGLMessage::addMessage(fmt::format("binding sampler {0} after link ", _index));
+  }
+  auto uniform = m_registeredUniforms.find(_name.data());
+  if(uniform != m_registeredUniforms.end())
+  {
+    glBindSampler(uniform->second.loc, _index);
+
+  }
+  else
+  {
+    NGLMessage::addWarning(fmt::format("Uniform {0} not found in Program {1}", _name, m_programName.data()));
+  }
+  NGLCheckGLError(__FILE__, __LINE__);
+}
+
 void ShaderProgram::bindFragDataLocation(GLuint _index, std::string_view _attribName) noexcept
 {
   if(m_linked)
diff --git a/tests/BufferTextureTests.cpp b/tests/BufferTextureTests.cpp
new file mode 100644
index 00000000..7784df8f
--- /dev/null
+++ b/tests/BufferTextureTests.cpp
@@ -0,0 +1,8 @@
+#include <gtest/gtest.h>
+#include <ngl/BufferTextures.h>
+
+TEST(BufferTextures,construct)
+{
+  EXPECT_EQ(ngl::BufferTextures::numBuffers(),0);
+}
+
diff --git a/tests/main.cpp b/tests/main.cpp
index f1670a22..8ded5f90 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -87,7 +87,7 @@ int main(int argc, char **argv)
   if(useOpenGL == false)
   {
     std::cerr << "excluding tests\n";
-    ::testing::GTEST_FLAG(filter) = "-ShaderLib.*:Shader*:VAOPrimitives.*:NGLInit*:VAOFactory*";
+    ::testing::GTEST_FLAG(filter) = "-ShaderLib.*:Shader*:VAOPrimitives.*:NGLInit*:VAOFactory*:BufferTextures*";
   }
   // should put this on an argument
   // testing::internal::CaptureStdout();