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Remove use of old Tables header

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This commit is contained in:
Andrew Cassidy 2021-03-01 23:13:26 -08:00
parent e75ae9c570
commit ac62e1c262
1 changed files with 13 additions and 21 deletions
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34
src/BC1/BC1Encoder.cpp
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@ -37,7 +37,6 @@
#include "Histogram.h"
#include "OrderTable.h"
#include "SingleColorTable.h"
#include "Tables.h"
namespace rgbcx {
using InterpolatorPtr = std::shared_ptr<Interpolator>;
@ -577,8 +576,10 @@ template <ColorMode M> bool BC1Encoder::RefineEndpointsLS(Color4x4 pixels, Encod
static_assert(!(bool)(M & ColorMode::Solid));
assert(block.color_mode != ColorMode::Incomplete);
int denominator = color_count - 1;
Vector4 q00 = {0, 0, 0};
unsigned weight_accum = 0;
Vector4 matrix = Vector4(0);
for (unsigned i = 0; i < 16; i++) {
const Color color = pixels.Get(i);
@ -591,34 +592,23 @@ template <ColorMode M> bool BC1Encoder::RefineEndpointsLS(Color4x4 pixels, Encod
const Vector4Int color_vector = Vector4Int::FromColorRGB(color);
q00 += color_vector * sel;
weight_accum += (color_count == 3) ? g_weight_vals3[sel] : g_weight_vals4[sel];
matrix += OrderTable<color_count>::Weights[sel];
}
int denominator = color_count - 1;
Vector4 q10 = (metrics.sums * denominator) - q00;
float z00 = (float)((weight_accum >> 16) & 0xFF);
float z10 = (float)((weight_accum >> 8) & 0xFF);
float z11 = (float)(weight_accum & 0xFF);
float z01 = z10;
// invert matrix
float det = z00 * z11 - z01 * z10;
float det = matrix.Determinant2x2(); // z00 * z11 - z01 * z10;
if (fabs(det) < 1e-8f) {
block.color_mode = ColorMode::Incomplete;
return false;
}
det = ((float)denominator / 255.0f) / det;
matrix *= Vector4(1, -1, -1, 1);
matrix *= ((float)denominator / 255.0f) / det;
float iz00, iz01, iz10, iz11;
iz00 = z11 * det;
iz01 = -z01 * det;
iz10 = -z10 * det;
iz11 = z00 * det;
Vector4 q10 = (metrics.sums * denominator) - q00;
Vector4 low = (q00 * iz00) + (q10 * iz01);
Vector4 high = (q00 * iz10) + (q10 * iz11);
Vector4 low = (matrix[0] * q00) + (matrix[1] * q10);
Vector4 high = (matrix[2] * q00) + (matrix[3] * q10);
block.color_mode = M;
block.low = Color::PreciseRound565(low);
@ -632,6 +622,8 @@ template <ColorMode M> void BC1Encoder::RefineEndpointsLS(std::array<Vector4, 17
static_assert(!(bool)(M & ColorMode::Solid));
assert(block.color_mode != ColorMode::Incomplete);
int denominator = color_count - 1;
Vector4 q10 = {0, 0, 0};
unsigned level = 0;
Histogram<color_count> h = OrderTable<color_count>::Orders[hash];
@ -640,7 +632,7 @@ template <ColorMode M> void BC1Encoder::RefineEndpointsLS(std::array<Vector4, 17
q10 += sums[level];
}
Vector4 q00 = (sums[16] * (color_count - 1)) - q10;
Vector4 q00 = (sums[16] * denominator) - q10;
Vector4 low = (matrix[0] * q00) + (matrix[1] * q10);
Vector4 high = (matrix[2] * q00) + (matrix[3] * q10);