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textures.txt: Fix typos

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Philip Taylor 2016-02-21 20:15:29 +00:00
parent d8a5eb75fc
commit 43c9134c2c
1 changed files with 8 additions and 8 deletions
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doc/specs/vulkan/chapters/textures.txt
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@ -37,10 +37,10 @@ SPIR-V Image Instructions include the following functionality:
used in the sampling operation based on additional coordinates. used in the sampling operation based on additional coordinates.
** Instructions with code:Proj in the name apply homogeneous ** Instructions with code:Proj in the name apply homogeneous
<<textures-projection,projection>> to the coordinates. <<textures-projection,projection>> to the coordinates.
* code:OpImageFetch and code:OpImageSparseFetch returns a single texel of * code:OpImageFetch and code:OpImageSparseFetch return a single texel of
the image. No sampler is used. the image. No sampler is used.
* code:OpImage*code:Gather and code:OpImageSparse*code:Gather read * code:OpImage*code:Gather and code:OpImageSparse*code:Gather read
neighboring texels and <<textures-gather,returns a single component>> of neighboring texels and <<textures-gather,return a single component>> of
each. each.
* code:OpImageRead (and code:OpImageSparseRead) and code:OpImageWrite read * code:OpImageRead (and code:OpImageSparseRead) and code:OpImageWrite read
and write, respectively, a texel in the image. No sampler is used. and write, respectively, a texel in the image. No sampler is used.
@ -406,7 +406,7 @@ unnormalized texel coordinates, this is performed on the coordinates that
result after <<textures-unnormalized-to-integer,conversion>> to integer result after <<textures-unnormalized-to-integer,conversion>> to integer
texel coordinates. texel coordinates.
If the integer texel coordinates satifies any of the conditions If the integer texel coordinates satisfy any of the conditions
[latexmath] [latexmath]
+++++++++++++++++++ +++++++++++++++++++
\begin{align*} \begin{align*}
@ -523,7 +523,7 @@ elink:VkFormat), using the appropriate equations in
<<fundamentals-fp16,16-Bit Floating-Point Numbers>>, <<fundamentals-fp16,16-Bit Floating-Point Numbers>>,
<<fundamentals-fp11,Unsigned 11-Bit Floating-Point Numbers>>, <<fundamentals-fp11,Unsigned 11-Bit Floating-Point Numbers>>,
<<fundamentals-fp10,Unsigned 10-Bit Floating-Point Numbers>>, <<fundamentals-fp10,Unsigned 10-Bit Floating-Point Numbers>>,
<<fundamentals-fixedconf,Fixed-Point Data Conversion>>, and <<fundamentals-fixedconv,Fixed-Point Data Conversion>>, and
<<textures-sexp-RGB,Shared Exponent to RGB>>. <<textures-sexp-RGB,Shared Exponent to RGB>>.
If the image format is sRGB, the color components are first converted as if If the image format is sRGB, the color components are first converted as if
@ -734,7 +734,7 @@ code to a boolean value.
_Texel output instructions_ are SPIR-V image instructions that write to an _Texel output instructions_ are SPIR-V image instructions that write to an
image. _Texel output operations_ are a set of steps that are performed on image. _Texel output operations_ are a set of steps that are performed on
state, coordinates, and texel values while processing a texel output state, coordinates, and texel values while processing a texel output
instruction, and which are common to some or all texel ouitput instructions. instruction, and which are common to some or all texel output instructions.
They include the following steps, which are performed in the listed order: They include the following steps, which are performed in the listed order:
* <<textures-output-validation,Validation operations>> * <<textures-output-validation,Validation operations>>
@ -845,7 +845,7 @@ dPdy & =
\end{align*} \end{align*}
+++++++++++++++++++ +++++++++++++++++++
code:OpDPdx and code:OpDPdy must return: the same result as either code:OpDPdx and code:OpDPdy must: return the same result as either
code:OpDPdxFine or code:OpDPdxCoarse and either code:OpDPdyFine or code:OpDPdxFine or code:OpDPdxCoarse and either code:OpDPdyFine or
code:OpDPdyCoarse, respectively. Implementations must: make the same choice code:OpDPdyCoarse, respectively. Implementations must: make the same choice
of either coarse or fine for both code:OpDPdx and code:OpDPdy, and of either coarse or fine for both code:OpDPdx and code:OpDPdy, and
@ -929,7 +929,7 @@ transform the derivatives to per-face derivatives.
=== Cube Map Face Selection === Cube Map Face Selection
The direction vector selects one of the cube maps face's layers based on the The direction vector selects one of the cube map's faces based on the
largest magnitude coordinate direction (the major axis direction). Since two largest magnitude coordinate direction (the major axis direction). Since two
or more coordinates can: have identical magnitude, the implementation must: or more coordinates can: have identical magnitude, the implementation must:
have rules to disambiguate this situation. have rules to disambiguate this situation.
@ -1571,7 +1571,7 @@ latexmath:[$(i,j,k)$] texel coordinates, with all texels taken from layer l.
++++++++++++++++++++++++ ++++++++++++++++++++++++
Within a miplevel, etext:LINEAR filtering computes a weighted average of 8 Within a miplevel, etext:LINEAR filtering computes a weighted average of 8
(for 3D), 4 (for 2D or ube), or 2 (for 1D) texel values, using the weights (for 3D), 4 (for 2D or Cube), or 2 (for 1D) texel values, using the weights
computed earlier: computed earlier:
[latexmath] [latexmath]