d3d: Use drawPixelsTex as a non-dynamic texture.
d3d: Use 2.0 vertex and pixel shaders.
d3d: Use 0 texcoord when not specified.
d3d: Properly initialize cullmode.
Merge pull request #6851 from unknownbrackets/d3d9

Use PS 2.0 and VS 2.0 on Direct3D 9
Update dx9sdk (got rid of redundant headers)