Define log2f(v) to be logf(v) / M_LN2 and ffs to __builtin_ffs.
---
src/mesa/main/imports.h | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 3fa1db0..70defdc 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -134,7 +134,13 @@ typedef union { GLfloat f; GLint i; } fi_type;
#define exp2f(f) ((float) exp2(f))
#define floorf(f) ((float) floor(f))
#define logf(f) ((float) log(f))
+
+#ifdef ANDROID
+#define log2f(f) (logf(f) * (float) (1.0 / M_LN2))
+#else
#define log2f(f) ((float) log2(f))
+#endif
+
#define powf(x,y) ((float) pow(x,y))
#define sinf(f) ((float) sin(f))
#define sinhf(f) ((float) sinh(f))
@@ -562,7 +568,7 @@ _mesa_init_sqrt_table(void);
#ifdef __GNUC__
-#ifdef __MINGW32__
+#if defined(__MINGW32__) || defined(ANDROID)
#define ffs __builtin_ffs
#define ffsll __builtin_ffsll
#endif
--
1.7.5.4
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