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etc2comp: Fix max iterations for RGBA channels

Browse source 
Those checks were *very likely* meant to clamp the max value,
not the min one.

Fixes https://github.com/godotengine/godot/issues/10059#issuecomment-606993001.

(cherry picked from commit dbf52c63cc)
This commit is contained in:
Rémi Verschelde 2020-04-01 11:23:42 +02:00
parent 294008015e
commit a8bdcd3c03
3 changed files with 248 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8.cpp vendored
View file

@ -508,7 +508,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius; int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15) if (iMaxRed1 > 15)
{ {
iMinRed1 = 15; iMaxRed1 = 15;
} }
int iMinGreen1 = iColor1Green - (int)a_uiRadius; int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@ -519,7 +519,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius; int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15) if (iMaxGreen1 > 15)
{ {
iMinGreen1 = 15; iMaxGreen1 = 15;
} }
int iMinBlue1 = iColor1Blue - (int)a_uiRadius; int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@ -530,7 +530,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius; int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15) if (iMaxBlue1 > 15)
{ {
iMinBlue1 = 15; iMaxBlue1 = 15;
} }
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f); int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@ -545,7 +545,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius; int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15) if (iMaxRed2 > 15)
{ {
iMinRed2 = 15; iMaxRed2 = 15;
} }
int iMinGreen2 = iColor2Green - (int)a_uiRadius; int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@ -556,7 +556,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius; int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15) if (iMaxGreen2 > 15)
{ {
iMinGreen2 = 15; iMaxGreen2 = 15;
} }
int iMinBlue2 = iColor2Blue - (int)a_uiRadius; int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@ -567,7 +567,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius; int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15) if (iMaxBlue2 > 15)
{ {
iMinBlue2 = 15; iMaxBlue2 = 15;
} }
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++) for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)
@ -761,7 +761,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius; int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15) if (iMaxRed1 > 15)
{ {
iMinRed1 = 15; iMaxRed1 = 15;
} }
int iMinGreen1 = iColor1Green - (int)a_uiRadius; int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@ -772,7 +772,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius; int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15) if (iMaxGreen1 > 15)
{ {
iMinGreen1 = 15; iMaxGreen1 = 15;
} }
int iMinBlue1 = iColor1Blue - (int)a_uiRadius; int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@ -783,7 +783,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius; int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15) if (iMaxBlue1 > 15)
{ {
iMinBlue1 = 15; iMaxBlue1 = 15;
} }
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f); int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@ -798,7 +798,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius; int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15) if (iMaxRed2 > 15)
{ {
iMinRed2 = 15; iMaxRed2 = 15;
} }
int iMinGreen2 = iColor2Green - (int)a_uiRadius; int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@ -809,7 +809,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius; int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15) if (iMaxGreen2 > 15)
{ {
iMinGreen2 = 15; iMaxGreen2 = 15;
} }
int iMinBlue2 = iColor2Blue - (int)a_uiRadius; int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@ -820,7 +820,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius; int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15) if (iMaxBlue2 > 15)
{ {
iMinBlue2 = 15; iMaxBlue2 = 15;
} }
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++) for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)

24
thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8A1.cpp vendored
View file

@ -847,7 +847,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius; int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15) if (iMaxRed1 > 15)
{ {
iMinRed1 = 15; iMaxRed1 = 15;
} }
int iMinGreen1 = iColor1Green - (int)a_uiRadius; int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@ -858,7 +858,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius; int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15) if (iMaxGreen1 > 15)
{ {
iMinGreen1 = 15; iMaxGreen1 = 15;
} }
int iMinBlue1 = iColor1Blue - (int)a_uiRadius; int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@ -869,7 +869,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius; int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15) if (iMaxBlue1 > 15)
{ {
iMinBlue1 = 15; iMaxBlue1 = 15;
} }
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f); int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@ -884,7 +884,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius; int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15) if (iMaxRed2 > 15)
{ {
iMinRed2 = 15; iMaxRed2 = 15;
} }
int iMinGreen2 = iColor2Green - (int)a_uiRadius; int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@ -895,7 +895,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius; int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15) if (iMaxGreen2 > 15)
{ {
iMinGreen2 = 15; iMaxGreen2 = 15;
} }
int iMinBlue2 = iColor2Blue - (int)a_uiRadius; int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@ -906,7 +906,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius; int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15) if (iMaxBlue2 > 15)
{ {
iMinBlue2 = 15; iMaxBlue2 = 15;
} }
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++) for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)
@ -1108,7 +1108,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius; int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15) if (iMaxRed1 > 15)
{ {
iMinRed1 = 15; iMaxRed1 = 15;
} }
int iMinGreen1 = iColor1Green - (int)a_uiRadius; int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@ -1119,7 +1119,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius; int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15) if (iMaxGreen1 > 15)
{ {
iMinGreen1 = 15; iMaxGreen1 = 15;
} }
int iMinBlue1 = iColor1Blue - (int)a_uiRadius; int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@ -1130,7 +1130,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius; int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15) if (iMaxBlue1 > 15)
{ {
iMinBlue1 = 15; iMaxBlue1 = 15;
} }
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f); int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@ -1145,7 +1145,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius; int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15) if (iMaxRed2 > 15)
{ {
iMinRed2 = 15; iMaxRed2 = 15;
} }
int iMinGreen2 = iColor2Green - (int)a_uiRadius; int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@ -1156,7 +1156,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius; int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15) if (iMaxGreen2 > 15)
{ {
iMinGreen2 = 15; iMaxGreen2 = 15;
} }
int iMinBlue2 = iColor2Blue - (int)a_uiRadius; int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@ -1167,7 +1167,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius; int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15) if (iMaxBlue2 > 15)
{ {
iMinBlue2 = 15; iMaxBlue2 = 15;
} }
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++) for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)

224
thirdparty/etc2comp/patches/fix-rgba8-max-channels.patch vendored Normal file
View file

@ -0,0 +1,224 @@
diff --git a/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8.cpp b/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8.cpp
index 5656556db9..5c7ebed788 100644
--- a/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8.cpp
+++ b/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8.cpp
@@ -508,7 +508,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15)
{
- iMinRed1 = 15;
+ iMaxRed1 = 15;
}
int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@@ -519,7 +519,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15)
{
- iMinGreen1 = 15;
+ iMaxGreen1 = 15;
}
int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@@ -530,7 +530,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15)
{
- iMinBlue1 = 15;
+ iMaxBlue1 = 15;
}
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@@ -545,7 +545,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15)
{
- iMinRed2 = 15;
+ iMaxRed2 = 15;
}
int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@@ -556,7 +556,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15)
{
- iMinGreen2 = 15;
+ iMaxGreen2 = 15;
}
int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@@ -567,7 +567,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15)
{
- iMinBlue2 = 15;
+ iMaxBlue2 = 15;
}
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)
@@ -761,7 +761,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15)
{
- iMinRed1 = 15;
+ iMaxRed1 = 15;
}
int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@@ -772,7 +772,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15)
{
- iMinGreen1 = 15;
+ iMaxGreen1 = 15;
}
int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@@ -783,7 +783,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15)
{
- iMinBlue1 = 15;
+ iMaxBlue1 = 15;
}
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@@ -798,7 +798,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15)
{
- iMinRed2 = 15;
+ iMaxRed2 = 15;
}
int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@@ -809,7 +809,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15)
{
- iMinGreen2 = 15;
+ iMaxGreen2 = 15;
}
int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@@ -820,7 +820,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15)
{
- iMinBlue2 = 15;
+ iMaxBlue2 = 15;
}
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)
diff --git a/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8A1.cpp b/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8A1.cpp
index ba2b42fb05..b94b64e68c 100644
--- a/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8A1.cpp
+++ b/thirdparty/etc2comp/EtcBlock4x4Encoding_RGB8A1.cpp
@@ -847,7 +847,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15)
{
- iMinRed1 = 15;
+ iMaxRed1 = 15;
}
int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@@ -858,7 +858,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15)
{
- iMinGreen1 = 15;
+ iMaxGreen1 = 15;
}
int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@@ -869,7 +869,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15)
{
- iMinBlue1 = 15;
+ iMaxBlue1 = 15;
}
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@@ -884,7 +884,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15)
{
- iMinRed2 = 15;
+ iMaxRed2 = 15;
}
int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@@ -895,7 +895,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15)
{
- iMinGreen2 = 15;
+ iMaxGreen2 = 15;
}
int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@@ -906,7 +906,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15)
{
- iMinBlue2 = 15;
+ iMaxBlue2 = 15;
}
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)
@@ -1108,7 +1108,7 @@ namespace Etc
int iMaxRed1 = iColor1Red + (int)a_uiRadius;
if (iMaxRed1 > 15)
{
- iMinRed1 = 15;
+ iMaxRed1 = 15;
}
int iMinGreen1 = iColor1Green - (int)a_uiRadius;
@@ -1119,7 +1119,7 @@ namespace Etc
int iMaxGreen1 = iColor1Green + (int)a_uiRadius;
if (iMaxGreen1 > 15)
{
- iMinGreen1 = 15;
+ iMaxGreen1 = 15;
}
int iMinBlue1 = iColor1Blue - (int)a_uiRadius;
@@ -1130,7 +1130,7 @@ namespace Etc
int iMaxBlue1 = iColor1Blue + (int)a_uiRadius;
if (iMaxBlue1 > 15)
{
- iMinBlue1 = 15;
+ iMaxBlue1 = 15;
}
int iColor2Red = m_frgbaOriginalColor2_TAndH.IntRed(15.0f);
@@ -1145,7 +1145,7 @@ namespace Etc
int iMaxRed2 = iColor2Red + (int)a_uiRadius;
if (iMaxRed2 > 15)
{
- iMinRed2 = 15;
+ iMaxRed2 = 15;
}
int iMinGreen2 = iColor2Green - (int)a_uiRadius;
@@ -1156,7 +1156,7 @@ namespace Etc
int iMaxGreen2 = iColor2Green + (int)a_uiRadius;
if (iMaxGreen2 > 15)
{
- iMinGreen2 = 15;
+ iMaxGreen2 = 15;
}
int iMinBlue2 = iColor2Blue - (int)a_uiRadius;
@@ -1167,7 +1167,7 @@ namespace Etc
int iMaxBlue2 = iColor2Blue + (int)a_uiRadius;
if (iMaxBlue2 > 15)
{
- iMinBlue2 = 15;
+ iMaxBlue2 = 15;
}
for (unsigned int uiDistance = 0; uiDistance < TH_DISTANCES; uiDistance++)