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-rw-r--r--src/gallium/docs/source/tgsi.rst48
1 files changed, 26 insertions, 22 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 4fd9247c498..c62ad6541b1 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -44,7 +44,7 @@ LIT - Light Coefficients
dst.y = max(src.x, 0.0)
- dst.z = (src.x > 0.0) ? pow(max(src.y, 0.0), clamp(src.w, -128.0, 128.0)) : 0.0
+ dst.z = (src.x > 0.0) ? max(src.y, 0.0)^{clamp(src.w, -128.0, 128.0))} : 0.0
dst.w = 1.0
@@ -66,24 +66,24 @@ RSQ - Reciprocal Square Root
.. math::
- dst.x = 1.0 / sqrt(abs(src.x))
+ dst.x = 1.0 / \sqrt{abs(src.x)}
- dst.y = 1.0 / sqrt(abs(src.x))
+ dst.y = 1.0 / \sqrt{abs(src.x)}
- dst.z = 1.0 / sqrt(abs(src.x))
+ dst.z = 1.0 / \sqrt{abs(src.x)}
- dst.w = 1.0 / sqrt(abs(src.x))
+ dst.w = 1.0 / \sqrt{abs(src.x)}
EXP - Approximate Exponential Base 2
.. math::
- dst.x = pow(2.0, \lfloor src.x\rfloor)
+ dst.x = 2^{\lfloor src.x\rfloor}
dst.y = src.x - \lfloor src.x\rfloor
- dst.z = pow(2.0, src.x)
+ dst.z = 2^{src.x}
dst.w = 1.0
@@ -94,7 +94,7 @@ LOG - Approximate Logarithm Base 2
dst.x = \lfloor lg2(abs(src.x)))\rfloor
- dst.y = abs(src.x) / pow(2.0, \lfloor lg2(abs(src.x))\rfloor )
+ dst.y = abs(src.x) / 2^{\lfloor lg2(abs(src.x))\rfloor}
dst.z = lg2(abs(src.x))
@@ -331,14 +331,17 @@ This is identical to ARL.
dst.w = round(src.w)
-1.3.10 EX2 - Exponential Base 2
+EX2 - Exponential Base 2
.. math::
- dst.x = pow(2.0, src.x)
- dst.y = pow(2.0, src.x)
- dst.z = pow(2.0, src.x)
- dst.w = pow(2.0, src.x)
+ dst.x = 2^{src.x}
+
+ dst.y = 2^{src.x}
+
+ dst.z = 2^{src.x}
+
+ dst.w = 2^{src.x}
1.3.11 LG2 - Logarithm Base 2
@@ -351,14 +354,17 @@ This is identical to ARL.
dst.w = lg2(src.x)
-1.3.12 POW - Power
+POW - Power
.. math::
- dst.x = pow(src0.x, src1.x)
- dst.y = pow(src0.x, src1.x)
- dst.z = pow(src0.x, src1.x)
- dst.w = pow(src0.x, src1.x)
+ dst.x = src0.x^{src1.x}
+
+ dst.y = src0.x^{src1.x}
+
+ dst.z = src0.x^{src1.x}
+
+ dst.w = src0.x^{src1.x}
1.3.15 XPD - Cross Product
@@ -1016,7 +1022,7 @@ Support for these opcodes indicated by a special pipe capability bit (TBD).
clamp(x,y,z) Clamp x between y and z.
(x < y) ? y : (x > z) ? z : x
- :math:`\lfloor x\rfloor` Floor of x.
+ :math:`\lfloor x\rfloor` Floor of `x`.
lg2(x) Logarithm base 2 of x.
@@ -1032,14 +1038,12 @@ Support for these opcodes indicated by a special pipe capability bit (TBD).
pop() Pop from stack.
- pow(x,y) Raise x to power of y.
+ :math:`x^y` `x` to the power `y`.
push(x) Push x on stack.
round(x) Round x.
- sqrt(x) Square root of x.
-
trunc(x) Truncate x.