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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-03-31 18:19:18 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-04-01 10:17:13 -0400 |
| commit | b4cf1806950db335fa75267bc7bac742eed3372f (patch) | |
| tree | a243b23bcb74378b3ec686eacaffd25db915f42c /src/gallium | |
| parent | 05d0223da32a2749b7eb260c351f5623dafee022 (diff) | |
| download | external_mesa3d-b4cf1806950db335fa75267bc7bac742eed3372f.zip external_mesa3d-b4cf1806950db335fa75267bc7bac742eed3372f.tar.gz external_mesa3d-b4cf1806950db335fa75267bc7bac742eed3372f.tar.bz2 | |
gallium/docs: line up some of the equations
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 44 |
1 files changed, 16 insertions, 28 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 16990de..d64df5b 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -74,13 +74,10 @@ used. .. math:: - dst.x = 1 - - dst.y = max(src.x, 0) - - dst.z = (src.x > 0) ? max(src.y, 0)^{clamp(src.w, -128, 128))} : 0 - - dst.w = 1 + dst.x &= 1 \\ + dst.y &= max(src.x, 0) \\ + dst.z &= (src.x > 0) ? max(src.y, 0)^{clamp(src.w, -128, 128))} : 0 \\ + dst.w &= 1 .. opcode:: RCP - Reciprocal @@ -114,26 +111,20 @@ This instruction replicates its result. The results are undefined for src < 0. .. math:: - dst.x = 2^{\lfloor src.x\rfloor} - - dst.y = src.x - \lfloor src.x\rfloor - - dst.z = 2^{src.x} - - dst.w = 1 + dst.x &= 2^{\lfloor src.x\rfloor} \\ + dst.y &= src.x - \lfloor src.x\rfloor \\ + dst.z &= 2^{src.x} \\ + dst.w &= 1 .. opcode:: LOG - Approximate Logarithm Base 2 .. math:: - dst.x = \lfloor\log_2{|src.x|}\rfloor - - dst.y = \frac{|src.x|}{2^{\lfloor\log_2{|src.x|}\rfloor}} - - dst.z = \log_2{|src.x|} - - dst.w = 1 + dst.x &= \lfloor\log_2{|src.x|}\rfloor \\ + dst.y &= \frac{|src.x|}{2^{\lfloor\log_2{|src.x|}\rfloor}} \\ + dst.z &= \log_2{|src.x|} \\ + dst.w &= 1 .. opcode:: MUL - Multiply @@ -184,13 +175,10 @@ This instruction replicates its result. .. math:: - dst.x = 1 - - dst.y = src0.y \times src1.y - - dst.z = src0.z - - dst.w = src1.w + dst.x &= 1\\ + dst.y &= src0.y \times src1.y\\ + dst.z &= src0.z\\ + dst.w &= src1.w .. opcode:: MIN - Minimum |