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Diffstat (limited to 'src/core/SkBitmapProcState_matrixProcs.cpp')
-rw-r--r--src/core/SkBitmapProcState_matrixProcs.cpp37
1 files changed, 1 insertions, 36 deletions
diff --git a/src/core/SkBitmapProcState_matrixProcs.cpp b/src/core/SkBitmapProcState_matrixProcs.cpp
index 70d367b870..57376d5699 100644
--- a/src/core/SkBitmapProcState_matrixProcs.cpp
+++ b/src/core/SkBitmapProcState_matrixProcs.cpp
@@ -9,13 +9,7 @@
#include "SkShader.h"
#include "SkUtils.h"
#include "SkUtilsArm.h"
-
-// Helper to ensure that when we shift down, we do it w/o sign-extension
-// so the caller doesn't have to manually mask off the top 16 bits
-//
-static unsigned SK_USHIFT16(unsigned x) {
- return x >> 16;
-}
+#include "SkBitmapProcState_utils.h"
/* returns 0...(n-1) given any x (positive or negative).
@@ -36,35 +30,6 @@ static inline int sk_int_mod(int x, int n) {
return x;
}
-/*
- * The decal_ functions require that
- * 1. dx > 0
- * 2. [fx, fx+dx, fx+2dx, fx+3dx, ... fx+(count-1)dx] are all <= maxX
- *
- * In addition, we use SkFractionalInt to keep more fractional precision than
- * just SkFixed, so we will abort the decal_ call if dx is very small, since
- * the decal_ function just operates on SkFixed. If that were changed, we could
- * skip the very_small test here.
- */
-static inline bool can_truncate_to_fixed_for_decal(SkFractionalInt frX,
- SkFractionalInt frDx,
- int count, unsigned max) {
- SkFixed dx = SkFractionalIntToFixed(frDx);
-
- // if decal_ kept SkFractionalInt precision, this would just be dx <= 0
- // I just made up the 1/256. Just don't want to perceive accumulated error
- // if we truncate frDx and lose its low bits.
- if (dx <= SK_Fixed1 / 256) {
- return false;
- }
-
- // We cast to unsigned so we don't have to check for negative values, which
- // will now appear as very large positive values, and thus fail our test!
- SkFixed fx = SkFractionalIntToFixed(frX);
- return (unsigned)SkFixedFloorToInt(fx) <= max &&
- (unsigned)SkFixedFloorToInt(fx + dx * (count - 1)) < max;
-}
-
void decal_nofilter_scale(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
void decal_filter_scale(uint32_t dst[], SkFixed fx, SkFixed dx, int count);