Introduction to the DirectX 9 Shader Models - Nvidia
Introduction to the DirectX 9 Shader Models - Nvidia
Introduction to the DirectX 9 Shader Models - Nvidia
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Pixel <strong>Shader</strong> 2.x<br />
• Static flow control<br />
– IF-ELSE-ENDIF, CALL / CALLNZ-RET, REP-ENDREP<br />
– As in vertex shader (less LOOP-ENDLOOP)<br />
• Gradient instructions and texture fetch<br />
– DSX, DSY, TEXLDD<br />
• Predication<br />
– As in vertex shader 2.x<br />
• Arbitrary swizzling<br />
– Use <strong>the</strong>m <strong>to</strong> pack registers
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