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path: root/thirdparty/basis_universal/encoder/basisu_bc7enc.cpp
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Diffstat (limited to 'thirdparty/basis_universal/encoder/basisu_bc7enc.cpp')
-rw-r--r--thirdparty/basis_universal/encoder/basisu_bc7enc.cpp37
1 files changed, 18 insertions, 19 deletions
diff --git a/thirdparty/basis_universal/encoder/basisu_bc7enc.cpp b/thirdparty/basis_universal/encoder/basisu_bc7enc.cpp
index 06aa7eb8b1..22fdfa603f 100644
--- a/thirdparty/basis_universal/encoder/basisu_bc7enc.cpp
+++ b/thirdparty/basis_universal/encoder/basisu_bc7enc.cpp
@@ -174,9 +174,8 @@ static void astc_init()
} // range
}
-static inline uint32_t astc_interpolate(uint32_t l, uint32_t h, uint32_t w)
+static inline uint32_t astc_interpolate_linear(uint32_t l, uint32_t h, uint32_t w)
{
- // This is for linear values, not sRGB.
l = (l << 8) | l;
h = (h << 8) | h;
uint32_t k = (l * (64 - w) + h * w + 32) >> 6;
@@ -230,7 +229,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = (h << 4) | h;
- const int k = astc_interpolate(low, high, g_bc7_weights3[BC7ENC_ASTC_4BIT_3BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_bc7_weights3[BC7ENC_ASTC_4BIT_3BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -259,7 +258,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = (h << 4) | h;
- const int k = astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_4BIT_2BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_4BIT_2BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -288,7 +287,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = g_astc_sorted_order_unquant[7][h].m_unquant;
- const int k = astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE7_2BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE7_2BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -317,7 +316,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = g_astc_sorted_order_unquant[13][h].m_unquant;
- const int k = astc_interpolate(low, high, g_astc_weights4[BC7ENC_ASTC_RANGE13_4BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_astc_weights4[BC7ENC_ASTC_RANGE13_4BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -346,7 +345,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = g_astc_sorted_order_unquant[13][h].m_unquant;
- const int k = astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE13_2BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE13_2BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -375,7 +374,7 @@ void bc7enc_compress_block_init()
{
uint32_t high = g_astc_sorted_order_unquant[11][h].m_unquant;
- const int k = astc_interpolate(low, high, g_astc_weights5[BC7ENC_ASTC_RANGE11_5BIT_OPTIMAL_INDEX]);
+ const int k = astc_interpolate_linear(low, high, g_astc_weights5[BC7ENC_ASTC_RANGE11_5BIT_OPTIMAL_INDEX]);
const int err = (k - c) * (k - c);
if (err < best.m_error)
@@ -650,7 +649,7 @@ static uint64_t pack_astc_4bit_3bit_to_one_color(const color_cell_compressor_par
uint32_t low = (pResults->m_low_endpoint.m_c[i] << 4) | pResults->m_low_endpoint.m_c[i];
uint32_t high = (pResults->m_high_endpoint.m_c[i] << 4) | pResults->m_high_endpoint.m_c[i];
- p.m_c[i] = (uint8_t)astc_interpolate(low, high, g_bc7_weights3[BC7ENC_ASTC_4BIT_3BIT_OPTIMAL_INDEX]);
+ p.m_c[i] = (uint8_t)astc_interpolate_linear(low, high, g_bc7_weights3[BC7ENC_ASTC_4BIT_3BIT_OPTIMAL_INDEX]);
}
p.m_c[3] = 255;
@@ -689,7 +688,7 @@ static uint64_t pack_astc_4bit_2bit_to_one_color_rgba(const color_cell_compresso
uint32_t low = (pResults->m_low_endpoint.m_c[i] << 4) | pResults->m_low_endpoint.m_c[i];
uint32_t high = (pResults->m_high_endpoint.m_c[i] << 4) | pResults->m_high_endpoint.m_c[i];
- p.m_c[i] = (uint8_t)astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_4BIT_2BIT_OPTIMAL_INDEX]);
+ p.m_c[i] = (uint8_t)astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_4BIT_2BIT_OPTIMAL_INDEX]);
}
uint64_t total_err = 0;
@@ -728,7 +727,7 @@ static uint64_t pack_astc_range7_2bit_to_one_color(const color_cell_compressor_p
uint32_t low = g_astc_sorted_order_unquant[7][pResults->m_low_endpoint.m_c[i]].m_unquant;
uint32_t high = g_astc_sorted_order_unquant[7][pResults->m_high_endpoint.m_c[i]].m_unquant;
- p.m_c[i] = (uint8_t)astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE7_2BIT_OPTIMAL_INDEX]);
+ p.m_c[i] = (uint8_t)astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE7_2BIT_OPTIMAL_INDEX]);
}
p.m_c[3] = 255;
@@ -768,7 +767,7 @@ static uint64_t pack_astc_range13_2bit_to_one_color(const color_cell_compressor_
uint32_t low = g_astc_sorted_order_unquant[13][pResults->m_low_endpoint.m_c[i]].m_unquant;
uint32_t high = g_astc_sorted_order_unquant[13][pResults->m_high_endpoint.m_c[i]].m_unquant;
- p.m_c[i] = (uint8_t)astc_interpolate(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE13_2BIT_OPTIMAL_INDEX]);
+ p.m_c[i] = (uint8_t)astc_interpolate_linear(low, high, g_bc7_weights2[BC7ENC_ASTC_RANGE13_2BIT_OPTIMAL_INDEX]);
}
uint64_t total_err = 0;
@@ -807,7 +806,7 @@ static uint64_t pack_astc_range11_5bit_to_one_color(const color_cell_compressor_
uint32_t low = g_astc_sorted_order_unquant[11][pResults->m_low_endpoint.m_c[i]].m_unquant;
uint32_t high = g_astc_sorted_order_unquant[11][pResults->m_high_endpoint.m_c[i]].m_unquant;
- p.m_c[i] = (uint8_t)astc_interpolate(low, high, g_astc_weights5[BC7ENC_ASTC_RANGE11_5BIT_OPTIMAL_INDEX]);
+ p.m_c[i] = (uint8_t)astc_interpolate_linear(low, high, g_astc_weights5[BC7ENC_ASTC_RANGE11_5BIT_OPTIMAL_INDEX]);
}
uint64_t total_err = 0;
@@ -863,7 +862,7 @@ static uint64_t evaluate_solution(const color_quad_u8 *pLow, const color_quad_u8
for (uint32_t i = 1; i < (N - 1); i++)
{
for (uint32_t j = 0; j < nc; j++)
- weightedColors[i].m_c[j] = (uint8_t)(astc_interpolate(actualMinColor.m_c[j], actualMaxColor.m_c[j], pParams->m_pSelector_weights[i]));
+ weightedColors[i].m_c[j] = (uint8_t)(astc_interpolate_linear(actualMinColor.m_c[j], actualMaxColor.m_c[j], pParams->m_pSelector_weights[i]));
}
}
else
@@ -1300,7 +1299,7 @@ void check_best_overall_error(const color_cell_compressor_params *pParams, color
for (uint32_t i = 1; i < pParams->m_num_selector_weights - 1; i++)
for (uint32_t c = 0; c < 4; c++)
- colors[i].m_c[c] = (uint8_t)astc_interpolate(colors[0].m_c[c], colors[n - 1].m_c[c], pParams->m_pSelector_weights[i]);
+ colors[i].m_c[c] = (uint8_t)astc_interpolate_linear(colors[0].m_c[c], colors[n - 1].m_c[c], pParams->m_pSelector_weights[i]);
uint64_t total_err = 0;
for (uint32_t p = 0; p < pParams->m_num_pixels; p++)
@@ -1815,10 +1814,10 @@ uint64_t color_cell_compression_est_astc(
weightedColors[num_weights - 1] = highColor;
for (uint32_t i = 1; i < (num_weights - 1); i++)
{
- weightedColors[i].m_c[0] = (uint8_t)astc_interpolate(lowColor.m_c[0], highColor.m_c[0], pWeight_table[i]);
- weightedColors[i].m_c[1] = (uint8_t)astc_interpolate(lowColor.m_c[1], highColor.m_c[1], pWeight_table[i]);
- weightedColors[i].m_c[2] = (uint8_t)astc_interpolate(lowColor.m_c[2], highColor.m_c[2], pWeight_table[i]);
- weightedColors[i].m_c[3] = (num_comps == 4) ? (uint8_t)astc_interpolate(lowColor.m_c[3], highColor.m_c[3], pWeight_table[i]) : 255;
+ weightedColors[i].m_c[0] = (uint8_t)astc_interpolate_linear(lowColor.m_c[0], highColor.m_c[0], pWeight_table[i]);
+ weightedColors[i].m_c[1] = (uint8_t)astc_interpolate_linear(lowColor.m_c[1], highColor.m_c[1], pWeight_table[i]);
+ weightedColors[i].m_c[2] = (uint8_t)astc_interpolate_linear(lowColor.m_c[2], highColor.m_c[2], pWeight_table[i]);
+ weightedColors[i].m_c[3] = (num_comps == 4) ? (uint8_t)astc_interpolate_linear(lowColor.m_c[3], highColor.m_c[3], pWeight_table[i]) : 255;
}
// Compute dots and thresholds
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 09:20:04 +0000