2010/10/20 Maarten Bosmans <[email protected]>:
> Below are the results for the six worst slow paths, on Windows. My app
> does scrolling text (pre rendered to a cairo image surface), with
> individual lines fading in and out when they come into the viewport.
>
> Perhaps an extra empty line after the decoded result and before the
> next undecoded line would be better for readability.
>
> Maarten
Hmm, I only send the first six, because I though those were the most
interesting. But the next two slow paths reported are also
interesting. The solid src should be easy to write a fast path for, I
guess.
Maarten
pixman slow path: op=3 s=00000001|00249A76 m=08018000|002F0A7F
d=20020888|002E0AFF - 42/543 (0,047 MPix)
OVER
solid a8 x8r8g8b8
-- src -- -- mask -- -- dest --
NARROW_FORMAT NARROW_FORMAT NARROW_FORMAT
NO_ACCESSORS NO_ACCESSORS NO_ACCESSORS
NO_ALPHA_MAP NO_ALPHA_MAP NO_ALPHA_MAP
UNIFIED_ALPHA UNIFIED_ALPHA UNIFIED_ALPHA
NO_NONE_REPEAT NO_NORMAL_REPEAT NO_NORMAL_REPEAT
NO_NORMAL_REPEAT NO_PAD_REPEAT NO_PAD_REPEAT
NO_REFLECT_REPEAT NO_REFLECT_REPEAT NO_REFLECT_REPEAT
NEAREST_FILTER NEAREST_FILTER NEAREST_FILTER
NO_CONVOLUTION_FILTER NO_CONVOLUTION_FILTER NO_CONVOLUTION_FILTER
AFFINE_TRANSFORM AFFINE_TRANSFORM AFFINE_TRANSFORM
HAS_TRANSFORM ID_TRANSFORM ID_TRANSFORM
X_UNIT_POSITIVE X_UNIT_POSITIVE
Y_UNIT_ZERO Y_UNIT_ZERO
SAMPLES_COVER_CLIP SAMPLES_OPAQUE
pixman slow path: op=1 s=00000001|0024BA76 m=00000000|00000000
d=20020888|002E0AFF - 91/1185 (0,019 MPix)
SRC
solid null x8r8g8b8
-- src -- -- mask -- -- dest --
NARROW_FORMAT NARROW_FORMAT
NO_ACCESSORS NO_ACCESSORS
NO_ALPHA_MAP NO_ALPHA_MAP
UNIFIED_ALPHA UNIFIED_ALPHA
NO_NONE_REPEAT NO_NORMAL_REPEAT
NO_NORMAL_REPEAT NO_PAD_REPEAT
NO_REFLECT_REPEAT NO_REFLECT_REPEAT
NEAREST_FILTER NEAREST_FILTER
NO_CONVOLUTION_FILTER NO_CONVOLUTION_FILTER
AFFINE_TRANSFORM AFFINE_TRANSFORM
HAS_TRANSFORM ID_TRANSFORM
IS_OPAQUE X_UNIT_POSITIVE
Y_UNIT_ZERO
SAMPLES_OPAQUE
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