From d5e977b6b27183c4b7bdd3806f99d55d80da6b1c Mon Sep 17 00:00:00 2001
From: Ryan Oldenburg <guzba8@gmail.com>
Date: Sun, 22 Nov 2020 22:01:56 -0600
Subject: [PATCH] better png benchmark, use bestspeed

---
 src/pixie/fileformats/png.nim                |   2 +-
 tests/benchmark_png.nim                      |  31 ++++++++++++++++---
 tests/images/centerRotation.png              | Bin 1495 -> 1546 bytes
 tests/images/centerRotationWhite.png         | Bin 1678 -> 1743 bytes
 tests/images/drawBlend.png                   | Bin 328 -> 342 bytes
 tests/images/drawBlendSmooth.png             | Bin 352 -> 370 bytes
 tests/images/drawOverwrite.png               | Bin 328 -> 342 bytes
 tests/images/drawOverwriteRot.png            | Bin 343 -> 359 bytes
 tests/images/masters/centerRotation.png      | Bin 1495 -> 1546 bytes
 tests/images/masters/centerRotationWhite.png | Bin 1678 -> 1743 bytes
 tests/images/masters/drawBlend.png           | Bin 328 -> 342 bytes
 tests/images/masters/drawBlendSmooth.png     | Bin 352 -> 370 bytes
 tests/images/masters/drawOverwrite.png       | Bin 328 -> 342 bytes
 tests/images/masters/drawOverwriteRot.png    | Bin 343 -> 359 bytes
 tests/images/masters/transCompose.c.png      | Bin 1495 -> 1546 bytes
 tests/images/masters/transCompose.png        | Bin 1679 -> 1743 bytes
 tests/images/transCompose.c.png              | Bin 1495 -> 1546 bytes
 tests/images/transCompose.png                | Bin 1679 -> 1743 bytes
 18 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/src/pixie/fileformats/png.nim b/src/pixie/fileformats/png.nim
index f8c38c1..7397cb7 100644
--- a/src/pixie/fileformats/png.nim
+++ b/src/pixie/fileformats/png.nim
@@ -469,7 +469,7 @@ proc encodePng*(
 
   let compressed =
     try:
-      compress(filtered, DefaultCompression, dfZlib)
+      compress(filtered, BestSpeed, dfZlib)
     except ZippyError:
       raise newException(
         PixieError, "Unexpected error compressing PNG image data"
diff --git a/tests/benchmark_png.nim b/tests/benchmark_png.nim
index 1b9c586..3486766 100644
--- a/tests/benchmark_png.nim
+++ b/tests/benchmark_png.nim
@@ -1,16 +1,27 @@
-import pixie/fileformats/png, stb_image/read as stbi, fidget/opengl/perf, nimPNG
+import pixie/fileformats/png, stb_image/read as stbi, stb_image/write as stbr,
+  fidget/opengl/perf, nimPNG
 
 let data = readFile("tests/data/lenna.png")
 
-timeIt "pixie":
+timeIt "pixie decode":
   for i in 0 ..< 100:
     discard decodePng(cast[seq[uint8]](data))
 
-timeIt "nimPNG":
+timeIt "pixie encode":
+  let decoded = decodePng(cast[seq[uint8]](data))
+  for i in 0 ..< 1:
+    discard encodePng(decoded).len
+
+timeIt "nimPNG decode":
   for i in 0 ..< 100:
     discard decodePNG32(data)
 
-timeIt "stb_image":
+timeIt "nimPNG encode":
+  let decoded = decodePNG32(data)
+  for i in 0 ..< 100:
+    discard encodePNG32(decoded.data, decoded.width, decoded.height).pixels.len
+
+timeIt "stb_image decode":
   for i in 0 ..< 100:
     var width, height, channels: int
     discard loadFromMemory(
@@ -20,3 +31,15 @@ timeIt "stb_image":
       channels,
       stbi.RGBA
     )
+
+timeIt "stb_image encode":
+  var width, height, channels: int
+  let decoded = loadFromMemory(
+    cast[seq[byte]](data),
+    width,
+    height,
+    channels,
+    stbi.RGBA
+  )
+  for i in 0 ..< 100:
+    discard writePNG(width, height, channels, decoded).len
diff --git a/tests/images/centerRotation.png b/tests/images/centerRotation.png
index 52b891bfc033472ce102908a0da99071726eb8db..9942445cfd051d497406ab0c9d253f225e148984 100644
GIT binary patch
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diff --git a/tests/images/centerRotationWhite.png b/tests/images/centerRotationWhite.png
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diff --git a/tests/images/drawBlend.png b/tests/images/drawBlend.png
index ef62fc50f96ab6b5a60e3c0a77a6f30d92b90a53..43b43aaaaa2469baebdf7f74b6e913f73e769030 100644
GIT binary patch
delta 134
zcmX@Xbd70(ingq$i(^Oy<J*fHIU5*w7!G!Hzkbri-O>B$gzOT(6YGzk*?2Z**~jLu
zT!tx=1sRnlUJ&A+&l1@;v)0(Z?t|xq*8=k<CdyCD6GBD;5{`LipI^&OtFC_i?^oM@
efr$aCV$WDwE8@-xHbzWf00K`}KbLh*2~7Z}Avxp#

delta 107
zcmcb{bb@JuiYC9Oi(^Oy<J-#zIU5`VSPqH`$1B?he^C9qqN#Ji%-?6`%#F-`b8n`s
z(Zq*36Cbei&xmh|Nq-jkdsBRqjopu#6JymT#;d@Pkf?rZMcg^QuG(7+K;Y@>=d#Wz
Gp$P!5_bk!?

diff --git a/tests/images/drawBlendSmooth.png b/tests/images/drawBlendSmooth.png
index df7a048916219a093d1e0c7c00e2a05130f9fbb6..4dd286ac34044f9e90e6e4047687a62d9bd15d83 100644
GIT binary patch
delta 154
zcmV;L0A>H+0`dZoBs4imL_t(|0qxPj2?9|N1;G(hFbC888<s&Cf+&LL_2kk>70h|y
z_4zsTTr<lxHaNdS3>lGa9g%MqBFrH{PS3e*YaZL0yW8L3kRb0EGjpApi`(Des37-G
z2)+=L5dk@o@IMk=bGY-GS-<|et+~(4<=21yfstz;k#7eTFL0jpI{KGNX#fBK07*qo
IM6N<$f)m0=5&!@I

delta 125
zcmV-@0D}MW0^kCWBr_*TL_t(|0qxPT4Z=_q1i^=BfgWh{yDW-w36@ESO=fK{BVByK
zKF^tR%`9u|xn|aoA(3w!k#H9u+!Ew*&SzV5Y-@JA-Yr44HOI`nXXa(syDP~4JLC_M
fv2>B|Ef$zBaGvx!d11<900000NkvXXu0mjfuL3we

diff --git a/tests/images/drawOverwrite.png b/tests/images/drawOverwrite.png
index ef62fc50f96ab6b5a60e3c0a77a6f30d92b90a53..43b43aaaaa2469baebdf7f74b6e913f73e769030 100644
GIT binary patch
delta 134
zcmX@Xbd70(ingq$i(^Oy<J*fHIU5*w7!G!Hzkbri-O>B$gzOT(6YGzk*?2Z**~jLu
zT!tx=1sRnlUJ&A+&l1@;v)0(Z?t|xq*8=k<CdyCD6GBD;5{`LipI^&OtFC_i?^oM@
efr$aCV$WDwE8@-xHbzWf00K`}KbLh*2~7Z}Avxp#

delta 107
zcmcb{bb@JuiYC9Oi(^Oy<J-#zIU5`VSPqH`$1B?he^C9qqN#Ji%-?6`%#F-`b8n`s
z(Zq*36Cbei&xmh|Nq-jkdsBRqjopu#6JymT#;d@Pkf?rZMcg^QuG(7+K;Y@>=d#Wz
Gp$P!5_bk!?

diff --git a/tests/images/drawOverwriteRot.png b/tests/images/drawOverwriteRot.png
index 35cedb322b5aeee7ad616dbbdf51f191c527d243..007f69e0e1779f124823f51bf31f9d00e5341cdc 100644
GIT binary patch
literal 359
zcmeAS@N?(olHy`uVBq!ia0vp^DIm<j1|$m}O$}jSVAS(;aSW+oe0#@`tHD5k;h=||
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literal 343
zcmeAS@N?(olHy`uVBq!ia0vp^DIm<j1|$m}O$}jSV3hN8aSW+oe0x!mufaip<)CuS
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diff --git a/tests/images/masters/centerRotation.png b/tests/images/masters/centerRotation.png
index 52b891bfc033472ce102908a0da99071726eb8db..9942445cfd051d497406ab0c9d253f225e148984 100644
GIT binary patch
literal 1546
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literal 1495
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diff --git a/tests/images/masters/centerRotationWhite.png b/tests/images/masters/centerRotationWhite.png
index 1e1144e139d863cdf6240f0fc07c87bae6ef16e7..31e4c17c9289061e7a35feecc0368e9e81810035 100644
GIT binary patch
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diff --git a/tests/images/masters/drawBlend.png b/tests/images/masters/drawBlend.png
index ef62fc50f96ab6b5a60e3c0a77a6f30d92b90a53..43b43aaaaa2469baebdf7f74b6e913f73e769030 100644
GIT binary patch
delta 134
zcmX@Xbd70(ingq$i(^Oy<J*fHIU5*w7!G!Hzkbri-O>B$gzOT(6YGzk*?2Z**~jLu
zT!tx=1sRnlUJ&A+&l1@;v)0(Z?t|xq*8=k<CdyCD6GBD;5{`LipI^&OtFC_i?^oM@
efr$aCV$WDwE8@-xHbzWf00K`}KbLh*2~7Z}Avxp#

delta 107
zcmcb{bb@JuiYC9Oi(^Oy<J-#zIU5`VSPqH`$1B?he^C9qqN#Ji%-?6`%#F-`b8n`s
z(Zq*36Cbei&xmh|Nq-jkdsBRqjopu#6JymT#;d@Pkf?rZMcg^QuG(7+K;Y@>=d#Wz
Gp$P!5_bk!?

diff --git a/tests/images/masters/drawBlendSmooth.png b/tests/images/masters/drawBlendSmooth.png
index df7a048916219a093d1e0c7c00e2a05130f9fbb6..4dd286ac34044f9e90e6e4047687a62d9bd15d83 100644
GIT binary patch
delta 154
zcmV;L0A>H+0`dZoBs4imL_t(|0qxPj2?9|N1;G(hFbC888<s&Cf+&LL_2kk>70h|y
z_4zsTTr<lxHaNdS3>lGa9g%MqBFrH{PS3e*YaZL0yW8L3kRb0EGjpApi`(Des37-G
z2)+=L5dk@o@IMk=bGY-GS-<|et+~(4<=21yfstz;k#7eTFL0jpI{KGNX#fBK07*qo
IM6N<$f)m0=5&!@I

delta 125
zcmV-@0D}MW0^kCWBr_*TL_t(|0qxPT4Z=_q1i^=BfgWh{yDW-w36@ESO=fK{BVByK
zKF^tR%`9u|xn|aoA(3w!k#H9u+!Ew*&SzV5Y-@JA-Yr44HOI`nXXa(syDP~4JLC_M
fv2>B|Ef$zBaGvx!d11<900000NkvXXu0mjfuL3we

diff --git a/tests/images/masters/drawOverwrite.png b/tests/images/masters/drawOverwrite.png
index ef62fc50f96ab6b5a60e3c0a77a6f30d92b90a53..43b43aaaaa2469baebdf7f74b6e913f73e769030 100644
GIT binary patch
delta 134
zcmX@Xbd70(ingq$i(^Oy<J*fHIU5*w7!G!Hzkbri-O>B$gzOT(6YGzk*?2Z**~jLu
zT!tx=1sRnlUJ&A+&l1@;v)0(Z?t|xq*8=k<CdyCD6GBD;5{`LipI^&OtFC_i?^oM@
efr$aCV$WDwE8@-xHbzWf00K`}KbLh*2~7Z}Avxp#

delta 107
zcmcb{bb@JuiYC9Oi(^Oy<J-#zIU5`VSPqH`$1B?he^C9qqN#Ji%-?6`%#F-`b8n`s
z(Zq*36Cbei&xmh|Nq-jkdsBRqjopu#6JymT#;d@Pkf?rZMcg^QuG(7+K;Y@>=d#Wz
Gp$P!5_bk!?

diff --git a/tests/images/masters/drawOverwriteRot.png b/tests/images/masters/drawOverwriteRot.png
index 35cedb322b5aeee7ad616dbbdf51f191c527d243..007f69e0e1779f124823f51bf31f9d00e5341cdc 100644
GIT binary patch
literal 359
zcmeAS@N?(olHy`uVBq!ia0vp^DIm<j1|$m}O$}jSVAS(;aSW+oe0#@`tHD5k;h=||
zT>QEpj2i>lZZ=*yo_c#iWl!N6!?5E!nk!o+5=B^o1$-P0SPzoGD7HU#>$*h#{H@8e
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literal 343
zcmeAS@N?(olHy`uVBq!ia0vp^DIm<j1|$m}O$}jSV3hN8aSW+oe0x!mufaip<)CuS
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diff --git a/tests/images/masters/transCompose.c.png b/tests/images/masters/transCompose.c.png
index 52b891bfc033472ce102908a0da99071726eb8db..9942445cfd051d497406ab0c9d253f225e148984 100644
GIT binary patch
literal 1546
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literal 1495
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diff --git a/tests/images/masters/transCompose.png b/tests/images/masters/transCompose.png
index 5fd4195b1fc269be1bffed121364445b34ab2153..5e8175bed9633503493e541cd3f14a53e70fbe4a 100644
GIT binary patch
literal 1743
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literal 1679
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diff --git a/tests/images/transCompose.c.png b/tests/images/transCompose.c.png
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diff --git a/tests/images/transCompose.png b/tests/images/transCompose.png
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