Properly computer gradient textures width
Only on devices that do not have the npot extension
Change-Id: I472a13dc707d2abaf5fcc06f99c9da343b333558
diff --git a/libs/hwui/GradientCache.cpp b/libs/hwui/GradientCache.cpp
index eef366c..507ed95 100644
--- a/libs/hwui/GradientCache.cpp
+++ b/libs/hwui/GradientCache.cpp
@@ -148,8 +148,11 @@
GradientInfo& info) {
uint32_t width = 256 * (count - 1);
- if (!mHasNpot) {
- width = 1 << (31 - __builtin_clz(width));
+ // If the npot extension is not supported we cannot use non-clamp
+ // wrap modes. We therefore find the nearest largest power of 2
+ // unless width is already a power of 2
+ if (!mHasNpot && (width & (width - 1)) != 0) {
+ width = 1 << (32 - __builtin_clz(width));
}
bool hasAlpha = false;