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Fast Monochromatic Textures

Graphics and GPU Programming Programming

Started by Turold July 24, 2008 07:41 PM

2 comments, last by Turold 15 years, 9 months ago

Turold

134

Author

July 24, 2008 07:41 PM

I have a truecolor texture in DX9.0c. How can I make it appear in shades of grey without using pixel shaders?

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2,420

July 24, 2008 08:45 PM

There's the D3DTOP_DOTPRODUCT3 texture operation using the fixed-function pipeline. Pass in the constants for calculating luminosity using D3DTSS_CONSTANT, set up the other input to be the texture, and it will calculate the luminosity for each pixel, which is greyscale. Add more stages for different effects!

Matt Aufderheide

Matt Aufderheide

129

July 24, 2008 11:37 PM

Just a note; this not likely to be faster than using a pixel shader (unless of course you dont have pixel shaders :)

Turold

134

Author

July 27, 2008 03:28 PM

THX! I will check it out soon.

I'm making a casual puzzle game so using any shaders is prohibited. :)

This topic is closed to new replies.

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