diff --git a/include/boo/graphicsdev/GL.hpp b/include/boo/graphicsdev/GL.hpp
index f9ef618..771e540 100644
--- a/include/boo/graphicsdev/GL.hpp
+++ b/include/boo/graphicsdev/GL.hpp
@@ -15,12 +15,13 @@ class GLDataFactory : public IGraphicsDataFactory
     IGraphicsContext* m_parent;
     IGraphicsData* m_deferredData = nullptr;
     std::unordered_set<IGraphicsData*> m_committedData;
+    std::vector<int> m_texUnis;
 public:
     GLDataFactory(IGraphicsContext* parent);
     ~GLDataFactory() {}
 
     Platform platform() const {return PlatformOGL;}
-    const char* platformName() const {return "OpenGL";}
+    const char* platformName() const {return "OGL";}
 
     IGraphicsBufferS* newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count);
     IGraphicsBufferS* newStaticBuffer(BufferUse use, std::unique_ptr<uint8_t[]>&& data, size_t stride, size_t count);
@@ -36,14 +37,15 @@ public:
     IVertexFormat* newVertexFormat(size_t elementCount, const VertexElementDescriptor* elements);
 
     IShaderPipeline* newShaderPipeline(const char* vertSource, const char* fragSource,
-                                       size_t texCount, const char** texNames,
+                                       size_t texCount, const char* texArrayName,
+                                       size_t uniformBlockCount, const char** uniformBlockNames,
                                        BlendFactor srcFac, BlendFactor dstFac,
                                        bool depthTest, bool depthWrite, bool backfaceCulling);
 
     IShaderDataBinding*
     newShaderDataBinding(IShaderPipeline* pipeline,
                          IVertexFormat* vtxFormat,
-                         IGraphicsBuffer* vbo, IGraphicsBuffer* ebo,
+                         IGraphicsBuffer* vbo, IGraphicsBuffer* ibo,
                          size_t ubufCount, IGraphicsBuffer** ubufs,
                          size_t texCount, ITexture** texs);
 
diff --git a/include/boo/graphicsdev/IGraphicsDataFactory.hpp b/include/boo/graphicsdev/IGraphicsDataFactory.hpp
index 2f0e1ae..a8967ce 100644
--- a/include/boo/graphicsdev/IGraphicsDataFactory.hpp
+++ b/include/boo/graphicsdev/IGraphicsDataFactory.hpp
@@ -193,7 +193,7 @@ struct IGraphicsDataFactory
     virtual IShaderDataBinding*
     newShaderDataBinding(IShaderPipeline* pipeline,
                          IVertexFormat* vtxFormat,
-                         IGraphicsBuffer* vbo, IGraphicsBuffer* ebo,
+                         IGraphicsBuffer* vbo, IGraphicsBuffer* ibo,
                          size_t ubufCount, IGraphicsBuffer** ubufs,
                          size_t texCount, ITexture** texs)=0;
 
diff --git a/include/boo/graphicsdev/Metal.hpp b/include/boo/graphicsdev/Metal.hpp
index 3842895..c0139ad 100644
--- a/include/boo/graphicsdev/Metal.hpp
+++ b/include/boo/graphicsdev/Metal.hpp
@@ -46,7 +46,7 @@ public:
     IShaderDataBinding*
     newShaderDataBinding(IShaderPipeline* pipeline,
                          IVertexFormat* vtxFormat,
-                         IGraphicsBuffer* vbo, IGraphicsBuffer* ebo,
+                         IGraphicsBuffer* vbo, IGraphicsBuffer* ibo,
                          size_t ubufCount, IGraphicsBuffer** ubufs,
                          size_t texCount, ITexture** texs);
     
diff --git a/lib/graphicsdev/D3D11.cpp b/lib/graphicsdev/D3D11.cpp
index e3196d2..b6a1a10 100644
--- a/lib/graphicsdev/D3D11.cpp
+++ b/lib/graphicsdev/D3D11.cpp
@@ -439,7 +439,7 @@ struct D3D11ShaderDataBinding : IShaderDataBinding
 struct D3D11CommandQueue : IGraphicsCommandQueue
 {
     Platform platform() const {return IGraphicsDataFactory::PlatformD3D11;}
-    const char* platformName() const {return "Direct3D 11";}
+    const char* platformName() const {return "D3D11";}
     D3D11Context* m_ctx;
     D3D11Context::Window* m_windowCtx;
     IGraphicsContext* m_parent;
@@ -712,7 +712,7 @@ public:
     ~D3D11DataFactory() = default;
 
     Platform platform() const {return PlatformD3D11;}
-    const char* platformName() const {return "Direct3D 11";}
+    const char* platformName() const {return "D3D11";}
 
     IGraphicsBufferS* newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count)
     {
diff --git a/lib/graphicsdev/D3D12.cpp b/lib/graphicsdev/D3D12.cpp
index 9600033..d5adde1 100644
--- a/lib/graphicsdev/D3D12.cpp
+++ b/lib/graphicsdev/D3D12.cpp
@@ -636,7 +636,7 @@ static ID3D12GraphicsCommandList* WaitForLoadList(D3D12Context* ctx)
 struct D3D12CommandQueue : IGraphicsCommandQueue
 {
     Platform platform() const {return IGraphicsDataFactory::PlatformD3D12;}
-    const char* platformName() const {return "Direct 3D 12";}
+    const char* platformName() const {return "D3D12";}
     D3D12Context* m_ctx;
     D3D12Context::Window* m_windowCtx;
     IGraphicsContext* m_parent;
@@ -959,7 +959,7 @@ public:
     ~D3D12DataFactory() = default;
 
     Platform platform() const {return PlatformD3D12;}
-    const char* platformName() const {return "Direct3D 12";}
+    const char* platformName() const {return "D3D12";}
 
     IGraphicsBufferS* newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count)
     {
diff --git a/lib/graphicsdev/GL.cpp b/lib/graphicsdev/GL.cpp
index 639eb76..59df46d 100644
--- a/lib/graphicsdev/GL.cpp
+++ b/lib/graphicsdev/GL.cpp
@@ -210,6 +210,7 @@ GLDataFactory::newStaticTexture(size_t width, size_t height, size_t mips, Textur
 class GLShaderPipeline : public IShaderPipeline
 {
     friend class GLDataFactory;
+    friend struct GLShaderDataBinding;
     GLuint m_vert = 0;
     GLuint m_frag = 0;
     GLuint m_prog = 0;
@@ -218,6 +219,7 @@ class GLShaderPipeline : public IShaderPipeline
     bool m_depthTest = true;
     bool m_depthWrite = true;
     bool m_backfaceCulling = true;
+    std::vector<GLint> m_uniLocs;
     bool initObjects()
     {
         m_vert = glCreateShader(GL_VERTEX_SHADER);
@@ -307,7 +309,8 @@ static const GLenum BLEND_FACTOR_TABLE[] =
 
 IShaderPipeline* GLDataFactory::newShaderPipeline
 (const char* vertSource, const char* fragSource,
- size_t texCount, const char** texNames,
+ size_t texCount, const char* texArrayName,
+ size_t uniformBlockCount, const char** uniformBlockNames,
  BlendFactor srcFac, BlendFactor dstFac,
  bool depthTest, bool depthWrite, bool backfaceCulling)
 {
@@ -366,13 +369,28 @@ IShaderPipeline* GLDataFactory::newShaderPipeline
     }
 
     glUseProgram(shader.m_prog);
-    for (size_t i=0 ; i<texCount ; ++i)
+
+    if (uniformBlockCount)
     {
-        GLint loc;
-        if ((loc = glGetUniformLocation(shader.m_prog, texNames[i])) >= 0)
-            glUniform1i(loc, i);
-        else
-            Log.report(LogVisor::FatalError, "unable to find sampler variable '%s'", texNames[i]);
+        shader.m_uniLocs.reserve(uniformBlockCount);
+        for (size_t i=0 ; i<uniformBlockCount ; ++i)
+        {
+            GLint uniLoc = glGetUniformBlockIndex(shader.m_prog, uniformBlockNames[i]);
+            if (uniLoc < 0)
+                Log.report(LogVisor::FatalError, "unable to find uniform block '%s'", uniformBlockNames[i]);
+            shader.m_uniLocs.push_back(uniLoc);
+        }
+    }
+
+    if (texCount && texArrayName)
+    {
+        GLint texLoc = glGetUniformLocation(shader.m_prog, texArrayName);
+        if (texLoc < 0)
+            Log.report(LogVisor::FatalError, "unable to find sampler variable '%s'", texArrayName);
+        if (texCount > m_texUnis.size())
+            for (size_t i=m_texUnis.size() ; i<texCount ; ++i)
+                m_texUnis.push_back(i);
+        glUniform1iv(texLoc, m_texUnis.size(), m_texUnis.data());
     }
 
     GLShaderPipeline* retval = new GLShaderPipeline(std::move(shader));
@@ -401,9 +419,9 @@ struct GLShaderDataBinding : IShaderDataBinding
     size_t m_texCount;
     std::unique_ptr<ITexture*[]> m_texs;
     GLShaderDataBinding(IShaderPipeline* pipeline,
-                           IVertexFormat* vtxFormat,
-                           size_t ubufCount, IGraphicsBuffer** ubufs,
-                           size_t texCount, ITexture** texs)
+                        IVertexFormat* vtxFormat,
+                        size_t ubufCount, IGraphicsBuffer** ubufs,
+                        size_t texCount, ITexture** texs)
     : m_pipeline(static_cast<GLShaderPipeline*>(pipeline)),
       m_vtxFormat(static_cast<GLVertexFormat*>(vtxFormat)),
       m_ubufCount(ubufCount),
@@ -425,8 +443,8 @@ struct GLShaderDataBinding : IShaderDataBinding
             if (m_ubufs[i]->dynamic())
                 static_cast<GLGraphicsBufferD*>(m_ubufs[i])->bindUniform(i);
             else
-                static_cast<GLGraphicsBufferD*>(m_ubufs[i])->bindUniform(i);
-            glUniformBlockBinding(prog, i, i);
+                static_cast<GLGraphicsBufferS*>(m_ubufs[i])->bindUniform(i);
+            glUniformBlockBinding(prog, m_pipeline->m_uniLocs.at(i), i);
         }
         for (size_t i=0 ; i<m_texCount ; ++i)
         {
@@ -516,7 +534,7 @@ static const GLenum SEMANTIC_TYPE_TABLE[] =
 struct GLCommandQueue : IGraphicsCommandQueue
 {
     Platform platform() const {return IGraphicsDataFactory::PlatformOGL;}
-    const char* platformName() const {return "OpenGL ES 3.0";}
+    const char* platformName() const {return "OGL";}
     IGraphicsContext* m_parent = nullptr;
 
     struct Command
diff --git a/lib/graphicsdev/glew.c b/lib/graphicsdev/glew.c
index a65e27d..cba7be7 100644
--- a/lib/graphicsdev/glew.c
+++ b/lib/graphicsdev/glew.c
@@ -3949,6 +3949,7 @@ static GLboolean _glewInit_GL_VERSION_3_2 (GLEW_CONTEXT_ARG_DEF_INIT)
 
 static GLboolean _glewInit_GL_ARB_vertex_array_object (GLEW_CONTEXT_ARG_DEF_INIT);
 static GLboolean _glewInit_GL_ARB_framebuffer_object (GLEW_CONTEXT_ARG_DEF_INIT);
+static GLboolean _glewInit_GL_ARB_uniform_buffer_object (GLEW_CONTEXT_ARG_DEF_INIT);
 static GLboolean _glewInit_GL_VERSION_3_3 (GLEW_CONTEXT_ARG_DEF_INIT)
 {
   GLboolean r = GL_FALSE;
@@ -3956,6 +3957,7 @@ static GLboolean _glewInit_GL_VERSION_3_3 (GLEW_CONTEXT_ARG_DEF_INIT)
   r = ((glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC)glewGetProcAddress((const GLubyte*)"glVertexAttribDivisor")) == NULL) || r;
    _glewInit_GL_ARB_vertex_array_object();
    _glewInit_GL_ARB_framebuffer_object();
+   _glewInit_GL_ARB_uniform_buffer_object();
 
   return r;
 }
diff --git a/test/main.cpp b/test/main.cpp
index a605a50..2a50c05 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -295,17 +295,17 @@ struct TestApplicationCallback : IApplicationCallback
             static const char* FS =
             "#version 330\n"
             "precision highp float;\n"
-            "uniform sampler2D smplr;\n"
+            "uniform sampler2D texs[1];\n"
             "layout(location=0) out vec4 out_frag;\n"
             "in vec2 out_uv;\n"
             "void main()\n"
             "{\n"
-            "    out_frag = texture(smplr, out_uv);\n"
+            "    out_frag = texture(texs[0], out_uv);\n"
             "}\n";
 
-            static const char* TexNames[] = {"smplr"};
-
-            pipeline = glF->newShaderPipeline(VS, FS, 1, TexNames, BlendFactorOne, BlendFactorZero, true, true, false);
+            pipeline = glF->newShaderPipeline(VS, FS, 1, "texs", 0, nullptr,
+                                              BlendFactorOne, BlendFactorZero,
+                                              true, true, false);
         }
 #if _WIN32
         else if (factory->platform() == IGraphicsDataFactory::PlatformD3D12 ||