prog_src_register Struct Reference

#include <prog_instruction.h>

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Detailed Description

Instruction source register.

Data Fields
GLuint	File:4
	One of the PROGRAM_* register file values.
GLint	Index:(INST_INDEX_BITS+1)
	Extra bit here for sign bit.
GLuint	Swizzle:12
GLuint	RelAddr:1
GLuint	Abs:1
	Take the component-wise absolute value.
GLuint	Negate:4
	Post-Abs negation.

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Field Documentation

GLuint prog_src_register::File

One of the PROGRAM_* register file values.

GLint prog_src_register::Index

Extra bit here for sign bit.

May be negative for relative addressing.

GLuint prog_src_register::Swizzle

GLuint prog_src_register::RelAddr

GLuint prog_src_register::Abs

Take the component-wise absolute value.

GLuint prog_src_register::Negate

Post-Abs negation.

This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ instruction which allows per-component negation.

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The documentation for this struct was generated from the following file:

• prog_instruction.h

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