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ffv1enc_vulkan: get rid of temporary data for the setup shader

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Lynne 2025-05-02 11:52:17 +02:00
parent a4078abd73
commit 69f83bafd1
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GPG key ID: A2FEA5F03F034464
3 changed files with 42 additions and 72 deletions
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28
libavcodec/vulkan/rangecoder.comp
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@ -91,15 +91,13 @@ void renorm_encoder(inout RangeCoder c)
bs[i].v = fill;
}
void put_rac_norenorm(inout RangeCoder c, uint64_t state, bool bit)
void put_rac_direct(inout RangeCoder c, uint8_t state, bool bit)
{
u8buf sb = u8buf(state);
uint val = uint(sb.v);
int range1 = uint16_t((c.range * val) >> 8);
int range1 = uint16_t((c.range * state) >> 8);
#ifdef DEBUG
if (val == 0)
debugPrintfEXT("Error: state is zero (addr: 0x%lx)", uint64_t(sb));
if (state == 0)
debugPrintfEXT("Error: state is zero");
if (range1 >= c.range)
debugPrintfEXT("Error: range1 >= c.range");
if (range1 <= 0)
@ -113,13 +111,21 @@ void put_rac_norenorm(inout RangeCoder c, uint64_t state, bool bit)
} else {
c.range = diff;
}
}
sb.v = zero_one_state[(uint(bit) << 8) + val];
void put_rac_norenorm(inout RangeCoder c, uint64_t state, bool bit)
{
put_rac_direct(c, u8buf(state).v, bit);
#ifdef DEBUG
if (sb.v == 0)
debugPrintfEXT("Error: inserted zero state from tab %i idx %i", bit, val);
#endif
u8buf(state).v = zero_one_state[(uint(bit) << 8) + u8buf(state).v];
}
void put_rac(inout RangeCoder c, inout uint8_t state, bool bit)
{
put_rac_direct(c, state, bit);
if (c.range < 0x100)
renorm_encoder_full(c);
state = zero_one_state[(uint(bit) << 8) + state];
}
/* Equiprobable bit */