Add alpha blending, draw modes and TEXCOORD_1 support #51
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Nice! I'm tempted to wire up environment maps and IBL to the shader and this looks like a piece of the puzzle. It will likely be a while before I attempt that though as I don't need nice looking rendering yet, only experimenting with geometry right now. |
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Also: various small fixes and some cleanup.
NOTE: alpha blending doesn't work perfectly since there's no sorting implemented (but pixels with zero alpha value are discarded), see also implementation note here.