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Change quantization_mode_table to use int8_t

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pete
2021-01-12 18:48:18 +00:00
parent e5f7a2bab7
commit a325e533f4
2 changed files with 6 additions and 7 deletions
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Source/astcenc_internal.h
+1 -1
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@@ -785,7 +785,7 @@ int is_legal_3d_block_size(
extern const uint8_t color_quantization_tables[21][256];
extern const uint8_t color_unquantization_tables[21][256];
extern int quantization_mode_table[17][128];
extern int8_t quantization_mode_table[17][128];
void encode_ise(
int quantization_level,
Source/astcenc_quantization.cpp
+5 -6
View File
@@ -533,11 +533,10 @@ const uint8_t color_unquantization_tables[21][256] = {
}
};
// quantization_mode_table[integercount/2][bits] gives
// us the quantization level for a given integer count and number of bits that
// the integer may fit into. This is needed for color decoding,
// and for the color encoding.
int quantization_mode_table[17][128];
// The quantization_mode_table[integercount/2][bits] gives us the quantization
// level for a given integer count and number of bits that the integer may fit
// into. This is needed for color decoding, and for the color encoding.
int8_t quantization_mode_table[17][128];
void build_quantization_mode_table()
{
@@ -553,7 +552,7 @@ void build_quantization_mode_table()
{
for (int j = 1; j <= 16; j++)
{
int p = compute_ise_bitcount(2 * j, (quantization_method) i);
int p = compute_ise_bitcount(2 * j, (quantization_method)i);
if (p < 128)
{
quantization_mode_table[j][p] = i;