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authorLuca Barbieri <[email protected]>2010-04-02 00:34:44 +0200
committerLuca Barbieri <[email protected]>2010-04-02 00:47:11 +0200
commit7bb54c99a466883af3ac3e79426def17dcfa8d89 (patch)
tree385a6e349e8b21683b97a98cec62107a0f1b98e3 /src/gallium/auxiliary/util/u_half.h
parente40fce13e152ecf929c899ed38a8e5f7d198c738 (diff)
Revert "util: Init half-float tables on demand."
This reverts commit 950300eb255f0e3507bf2757d16c3b5bc8ff3471.
Diffstat (limited to 'src/gallium/auxiliary/util/u_half.h')
-rw-r--r--src/gallium/auxiliary/util/u_half.h7
1 files changed, 1 insertions, 6 deletions
diff --git a/src/gallium/auxiliary/util/u_half.h b/src/gallium/auxiliary/util/u_half.h
index 50948cadf59..5afdd925a62 100644
--- a/src/gallium/auxiliary/util/u_half.h
+++ b/src/gallium/auxiliary/util/u_half.h
@@ -8,14 +8,13 @@
extern "C" {
#endif
+
extern uint32_t util_half_to_float_mantissa_table[2048];
extern uint32_t util_half_to_float_exponent_table[64];
extern uint32_t util_half_to_float_offset_table[64];
extern uint16_t util_float_to_half_base_table[512];
extern uint8_t util_float_to_half_shift_table[512];
-void util_half_init_tables(void);
-
/*
* Note that if the half float is a signaling NaN, the x87 FPU will turn
* it into a quiet NaN immediately upon loading into a float.
@@ -31,7 +30,6 @@ static INLINE uint32_t
util_half_to_floatui(half h)
{
unsigned exp = h >> 10;
- util_half_init_tables();
return util_half_to_float_mantissa_table[util_half_to_float_offset_table[exp] + (h & 0x3ff)]
+ util_half_to_float_exponent_table[exp];
}
@@ -40,7 +38,6 @@ static INLINE float
util_half_to_float(half h)
{
union fi r;
- util_half_init_tables();
r.ui = util_half_to_floatui(h);
return r.f;
}
@@ -49,7 +46,6 @@ static INLINE half
util_floatui_to_half(uint32_t v)
{
unsigned signexp = v >> 23;
- util_half_init_tables();
return util_float_to_half_base_table[signexp]
+ ((v & 0x007fffff) >> util_float_to_half_shift_table[signexp]);
}
@@ -58,7 +54,6 @@ static INLINE half
util_float_to_half(float f)
{
union fi i;
- util_half_init_tables();
i.f = f;
return util_floatui_to_half(i.ui);
}