This is necessary because the publicly callable form embeds the asn.1
NULL value when the parameters are empty, whereas the hash value
expects that it's missing.

The function table_find_insert_idx() is replaced by the more generic
function find_insert_index().

d3d9/tests: Test {IDirect3DTexture9, IDirect3DSurface9}::UnlockRect for rectangles that are not locked.

Only the speed is returned.

Fixes transforms that add binary streams.

EXT_framebuffer_object doesn't specify if FBOs are shareable between GL
contexts, but ARB_framebuffer_object explicitly prohibits it.

Instead of relying on wglMakeCurrent() to do what we want.

Apparently it's valid to use a D3D device after its window is destroyed.
OpenGL isn't always so forgiving, so this patch is a first step to avoid
making GL calls on a context without window.