Progress! UBO data uploads work now.
Begin supporting more than one texture; enable clear code again; init all pixel shader constants;
Allow for having both color and texture components in vertices; Remove redundant texture loading code; set all texture dimensions in pixel shader.
Add support for multiple textures.
Remove PixelShaderGen debug code; Add shader cache
Disable pixelshadergen workaround for real; Fix texturing.
Fix lots of stuff: Tev registers, depth clearing (?), ...