Enjoy, and have a happy new year!

Changes since v1.6.4:

• If Mesh::buildTangentVectors is called and causes vertex splits, and mesh had pose animation, make sure we fix up the poses too.
• Change 0 -> NULL in Dx9 Present() call, user reported issue on Intel G33/G31 GPU allegedly resolved by this (illogical, but does no harm)
• Fix a crash when trying to render a line list with stencil shadows enabled
• Deal with Dx9 device lost for hardware occlusion queries better
• Fix problem in OpenGL when mixing anisotropy levels in different texture units on the same pass
• Fix Win x64 RTC issues with timer
• Fix bug in HLSL with 3×4 matrix arrays
• Culling fixes for InstancedGeometry
• Prevent GLX ConfigDialog from creating empty dropdown elements which cause a crash when clicked on.
• Fix straggling texture unit state bug with multiple contexts in GL.
• PF_L8 is not likely to be a valid render target format on many cards, use PF_X8R8G8B8 as is the default for non-depth shadows.
• Documentation updates

Full details of the contents of the release can be found in the changelog, which is reproduced after the jump. Enjoy!

• OS X
  • Fixed skewed screenshots on OS X for windows with odd width
  • FreeImage 3.9 – 3.11.0 interoperability fix; detect when FreeImage uses big-endian even on Intel Macs & use the data correctly
  • Fix uninitialised mFullScreen in Cocoa window, and expose WINDOW and VIEW custom params as with Carbon
• OpenGL
  • GLSL: gracefully handle a link error during binding of parameters, so that we do not abort the render
  • OpenGL pixel buffer: download the buffer when lock mode is anything but HBL_DISCARD, and ignore whether the buffer was created as WRITE_ONLY. For consistency with other rendersystems, WRITE_ONLY should only be a hint, and should not prevent the user reading the contents if they choose to. Previously the read buffer would always contain garbage on GL unless you removed the WRITE_ONLY, which was easy to miss because TU_DEFAULT includes it.
  • Prevent deletion of an external GL context when using currentGLContext.
  • GLSLLinkProgram::activate should not access the vertex program (for attribute mapping) without checking it exists.
  • Fixed parentWindowHandle usage for GLX
  • Disabling hardware mipmap generation on ATI/Linux as reported faulty
  • Enable/disable GL_VERTEX_PROGRAM_POINT_SIZE for point size attenuation when vertex programs available
  • Workaround for broken hardware mipmap generation on Intel 915G’s (at least – for the moment disable for all Intel chipsets)
  • Identify SiS chipsets and apply same GL automip workaround as for Intel chipsets
• Direct3D
  • Fix an edge-case in D3D9 where if _canDynamicTextures returned false, the default pool would still be used even though D3DUSAGE_DYNAMIC wasn’t specified, which doesn’t allow locking. If D3DUSAGE_DYNAMIC could not be specified, then use the managed pool in all cases.
  • Safety check before rebinding D3D9 textures after a device restore where user has destroyed render target but not texture.
  • D3D9 render texture classes had the wrong update() signature so were not protecting against device lost conditions
• Visual Studio
  • Fix for Runtime Check Failures with VC 2003 SP1 with alpha_op_ex
  • Allow OGRE to build with VC 2010, use TR1
  • Added missing OgreShadowCameraSetupPSSM.h/.cpp in VC 2003 project file
• ILImageCodec segfault fix (for those who choose to use it)
• Fix calculation of bounding radius from AABB in some places
• Fix McGuire style dark cap incompatible with multiple edge groups (stencil shadows)
• Make getCameraPosition, getCameraPositionObjectSpace and LOD camera equivalents consistent with other parameters when using camera relative rendering
• Fix dark cap clipping in stencil shadows in a few edge case conditions
• Fix the use of 2 scene managers with different settings on finite / infinite stencil shadow extrusion
• Fix Light::_getFrustumClipVolumes(…) numerical instability if infinite camera’s far clip plane is used, causing light flickering if light is near camera’s side frustum plane.
• Should propagate material scheme from primary viewport to shadow viewports so that caster/receiver materials are consistent with materials chosen for main view
• SceneManager should restore mCurrentViewport after rendering the shadow textures
• ConvexBody: only process finite AABBs (ignore null & infinite)
• Fix AABB when using BillboardSet with world coordinates and a transformed parent node
• Fix 2 typos in scripts where vertex_program should be fragment_program
• Fixed a few warnings

Fix problems with gui sample files schema validation when using Xerces Fix to fog_override parsing when using options other than ‘none’

• GpuProgramUsage::setProgramName – check the type of the program assigned matches the type of usage it’s assigned to (make copy/paste errors in scripts easier to diagnose)
• Don’t pull the AABB out of an unloaded or half-loaded Mesh – if the Mesh is being background loaded, it’s possible the AABB could be half-populated and invalid.
• AnimableValue should handle DEGREE and RADIAN types (gcc warned about this)
• Early-out optimisations to setMaterialName methods, to reduce their cost if the same material name is used
• Fix blended scene animation (previously, only one animation would successfully apply, now they can be blended)
• Fix write overflow in GPU parameters when using a (physically) 3×4 matrix – this could occur even if the param was declared as 4×4 but cast to 3×3.
• TextureUnit’s rarely-used constructor wasn’t initialising everything
• Fixed calling Root::loadPlugin twice for the same plugin caused a crash at shutdown (and also double-calling of init function)
• Return default value properly from ConfigFile::getSetting
• Fix license statement on Fresnel demo code – all samples are supposed to be public domain / free use.
• SceneManager should destroy its own shadow textures on destruction