fix conversion bug for mipped images

devshgraphicsprogramming · devshgraphicsprogramming · commit fbd1c07bec3b · 2024-10-16T19:05:21.000+02:00
diff --git a/examples_tests b/examples_tests
@@ -1 +1 @@
-Subproject commit a679373e51a2c6fa8fe10757490d06b2eeacc16f
+Subproject commit 884377d5168293439e5cc07deed222964199d5e0
diff --git a/src/nbl/video/utilities/CAssetConverter.cpp b/src/nbl/video/utilities/CAssetConverter.cpp
@@ -1856,6 +1856,8 @@ auto CAssetConverter::reserve(const SInputs& inputs) -> SReserveResult
 					for (uint16_t l=1; l<patch.mipLevels; l++)
 					{
 						const auto levelMask = 0x1<<(l-1);
+						if ((patch.recomputeMips&levelMask)==0)
+							continue;
 						const auto prevLevel = l-1;
 						const auto prevLevelMask = 0x1<<(prevLevel-1);
 						// marked as recompute but has no source data on previous level

Original file line number	Diff line number	Diff line change
`@@ -1856,6 +1856,8 @@ auto CAssetConverter::reserve(const SInputs& inputs) -> SReserveResult`
`1856`	`1856`	`for (uint16_t l=1; l<patch.mipLevels; l++)`
`1857`	`1857`	`{`
`1858`	`1858`	`const auto levelMask = 0x1<<(l-1);`
	`1859`	`+ if ((patch.recomputeMips&levelMask)==0)`
	`1860`	`+ continue;`
`1859`	`1861`	`const auto prevLevel = l-1;`
`1860`	`1862`	`const auto prevLevelMask = 0x1<<(prevLevel-1);`
`1861`	`1863`	`// marked as recompute but has no source data on previous level`