Depth Shader If a is the fragment depth in the NDCS, what output colour below from the fragment shader will cause a fragment at the near clipping plane to be white and a fragment at the far clipping plane to be black? vec4( d, d, d, 1) vec4( 1-d, 1-d, 1-d, 1). vec4(0.5(d+1), 0.5(d+1), 0.5(d+1), 1)

Depth Shader If a is the fragment depth in the NDCS, what output colour below from the fragment shader will cause a fragment at the near clipping plane to be white and a fragment at the far clipping plane to be black? vec4( d, d, d, 1) vec4( 1-d, 1-d, 1-d, 1). vec4(0.5(d+1), 0.5(d+1), 0.5(d+1), 1)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Depth Shader
If a is the fragment depth in the NDCS, what output colour below from the fragment shader will cause a fragment at the near clipping plane to be white and a fragment at the far clipping
plane to be black?
vec4( d, d, d, 1)
vec4 1-d, 1-d, 1-d, 1)
vec4( 0.5(d+1), 0.5(d+1), 0.5(d+1), 1)
vec4( 0.5(1-d), 0.5(1-d), 0.5(1-d), 1)

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