By Sebastien St-Laurent
ISBN 0-9766132-1-2
Jan 2006 (896 pages)

Page 100

...ber of components passed to this function can make a signi.cant performance difference. Another classic example of performance difference would be to use the mul function to apply skinning to a vertex using a 4-by-4 matrix when in reality a 4-by-3 matrix is needed, causing the compiler to generate 1...

Page 152

Another situation that may arise when your effect has multiple lights and that the light structure variable is an array as in the following:

Page 161

Notice that the seventh parameter to the function is a pointer to an effect pool. If you do not wish to have your effect share parameters, you can easily pass NULL to this parameter. This is equivalent to having the effect framework create a new ID3DXEffectPool for each new effect.

Page 77

MultiSampleAntialias bool This render state must be either True or False and controls how triangles are rendered when using an antialiased render target. See D3DRS_MULTISAMPLEANTIALIAS in the DirectX documentation for more details.

Page 204

...the pixel shader 1.x model offers a wide range of texture accessing instructions. Below, in Table A-6, you will .nd a complete listing of texture access instructions along with a quick description of their functionality, the number of instruction slots taken and for which version of the pixel shader...