diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 79 |
1 files changed, 74 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index 5b21a2be0bd..a3f4947c734 100644 --- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -262,7 +262,7 @@ TGSI Instruction Specification dst.w = round(src.w) -1.3.10 EXPBASE2 - Exponent Base 2 +1.3.10 EXPBASE2 - Exponential Base 2 dst.x = pow(2.0, src.x) dst.y = pow(2.0, src.x) @@ -382,9 +382,7 @@ TGSI Instruction Specification 1.5.7 KILP - Predicated Discard - if (cc.x || cc.y || cc.z || cc.w) - discard - endif + discard 1.5.8 LG2 - Logarithm Base 2 @@ -548,7 +546,7 @@ TGSI Instruction Specification 1.6.3 BRA - Branch - TBD + pc = target 1.6.4 CAL - Subroutine Call @@ -1038,3 +1036,74 @@ 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. + |