remove old legacy extensions that aren't being used.

Engine/source/gfx/gl/gfxGLCardProfiler.cpp

@@ -65,45 +65,9 @@ void GFXGLCardProfiler::setupCardCapabilities()
    setCapability("maxTextureHeight", maxTexSize);
    setCapability("maxTextureSize", maxTexSize);
 
-   // If extensions haven't been inited, we're in trouble here.
-   bool suppVBO = (gglHasExtension(ARB_vertex_buffer_object) || glVersion >= 1.499f);
-   setCapability("GL::suppVertexBufferObject", suppVBO);
-
-   // check if render to texture supported is available
-   bool suppRTT = gglHasExtension(EXT_framebuffer_object);
-   setCapability("GL::suppRenderTexture", suppRTT);
-   
-   bool suppBlit = gglHasExtension(EXT_framebuffer_blit);
-   setCapability("GL::suppRTBlit", suppBlit);
-   
-   bool suppFloatTex = gglHasExtension(ARB_texture_float);
-   setCapability("GL::suppFloatTexture", suppFloatTex);
-
    // Check for anisotropic filtering support.
    bool suppAnisotropic = gglHasExtension( EXT_texture_filter_anisotropic );
-   setCapability( "GL::suppAnisotropic", suppAnisotropic );
-
-   // check to see if we have the fragment shader extension or the gl version is high enough for glsl to be core
-   // also check to see if the language version is high enough
-   F32 glslVersion = dAtof(reinterpret_cast<const char*>(glGetString( GL_SHADING_LANGUAGE_VERSION)));
-   bool suppSPU = (gglHasExtension(ARB_fragment_shader) || glVersion >= 1.999f) && glslVersion >= 1.0999;
-   setCapability("GL::suppFragmentShader", suppSPU);
-   
-   bool suppAppleFence = gglHasExtension(APPLE_fence);
-   setCapability("GL::APPLE::suppFence", suppAppleFence);
-   
-   // When enabled, call glGenerateMipmapEXT() to generate mipmaps instead of relying on GL_GENERATE_MIPMAP
-   setCapability("GL::Workaround::needsExplicitGenerateMipmap", false);
-   // When enabled, binds and unbinds a texture target before doing the depth buffer copy.  Failure to do
-   // so will cause a hard freeze on Mac OS 10.4 with a Radeon X1600
-   setCapability("GL::Workaround::X1600DepthBufferCopy", false);
-   // When enabled, does not copy the last column and row of the depth buffer in a depth buffer copy.  Failure
-   // to do so will cause a kernel panic on Mac OS 10.5(.1) with a Radeon HD 2600 (fixed in 10.5.2)
-   setCapability("GL::Workaround::HD2600DepthBufferCopy", false);
-   
-   // Certain Intel drivers have a divide by 0 crash if mipmaps are specified with
-   // glTexSubImage2D.
-   setCapability("GL::Workaround::noManualMips", false);
+   setCapability( "GL_EXT_TEXTURE_FILTER_ANISOTROPIC", suppAnisotropic );
 }
 
 bool GFXGLCardProfiler::_queryCardCap(const String& query, U32& foundResult)

Engine/source/gfx/gl/gfxGLDevice.cpp

@@ -143,7 +143,7 @@ void GFXGLDevice::initGLState()
    // Setting mPixelShaderVersion to 3.0 will allow Advanced Lighting to run.   
    mPixelShaderVersion = 3.0;
 
-   mSupportsAnisotropic = mCardProfiler->queryProfile( "GL::suppAnisotropic" );
+   mSupportsAnisotropic = mCardProfiler->queryProfile( "GL_EXT_TEXTURE_FILTER_ANISOTROPIC" );
 
    String vendorStr = (const char*)glGetString( GL_VENDOR );
    if( vendorStr.find("NVIDIA", 0, String::NoCase | String::Left) != String::NPos)

Engine/source/gfx/gl/gfxGLTextureManager.cpp

@@ -304,8 +304,7 @@ bool GFXGLTextureManager::_loadTexture(GFXTextureObject *aTexture, DDSFile *dds)
    glBindTexture(texture->getBinding(), texture->getHandle());
    texture->mFormat = dds->mFormat;
    U32 numMips = dds->mSurfaces[0]->mMips.size();
-   if(GFX->getCardProfiler()->queryProfile("GL::Workaround::noManualMips"))
-      numMips = 1;
+
    for(U32 i = 0; i < numMips; i++)
    {
       if(isCompressedFormat(dds->mFormat))

Engine/source/gfx/gl/gfxGLTextureObject.cpp

@@ -298,8 +298,8 @@ void GFXGLTextureObject::reloadFromCache()
    else if(mBinding == GL_TEXTURE_1D)
 		glTexSubImage1D(mBinding, 0, 0, (mTextureSize.x > 1 ? mTextureSize.x : mTextureSize.y), GFXGLTextureFormat[mFormat], GFXGLTextureType[mFormat], mZombieCache);
    
-   if(GFX->getCardProfiler()->queryProfile("GL::Workaround::needsExplicitGenerateMipmap") && mMipLevels != 1)
-      glGenerateMipmapEXT(mBinding);
+   if(mMipLevels != 1)
+      glGenerateMipmap(mBinding);
       
    delete[] mZombieCache;
    mZombieCache = NULL;