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| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index d3b66728e6..d6b8fef83c 100644 --- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -1038,3 +1038,74 @@ TGSI Instruction Specification Alias for ARR. + +2 Explanation of symbols used +============================== + + +2.1 Functions +-------------- + + + abs(x) Absolute value of x. + |x| + (x < 0.0) ? -x : x + + ceil(x) Ceiling of x. + + clamp(x,y,z) Clamp x between y and z. + (x < y) ? y : (x > z) ? z : x + + cos(x) Cosine of x. + + floor(x) Floor of x. + + lg2(x) Logarithm base 2 of x. + + max(x,y) Maximum of x and y. + (x > y) ? x : y + + min(x,y) Minimum of x and y. + (x < y) ? x : y + + partialx(x) Derivative of x relative to fragment's X. + + partialy(x) Derivative of x relative to fragment's Y. + + pop() Pop from stack. + + pow(x,y) Raise x to power of y. + + push(x) Push x on stack. + + round(x) Round x. + + sin(x) Sine of x. + + sqrt(x) Square root of x. + + trunc(x) Truncate x. + + +2.2 Keywords +------------- + + + discard Discard fragment. + + dst First destination register. + + dst0 First destination register. + + pc Program counter. + + src First source register. + + src0 First source register. + + src1 Second source register. + + src2 Third source register. + + target Label of target instruction. + |