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Cleanup

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This commit is contained in:
Andrew Cassidy 2021-02-27 17:07:58 -08:00
parent 193ac22eb5
commit b4f180f5de
1 changed files with 7 additions and 17 deletions
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24
src/BC1/BC1Encoder.cpp
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@ -194,10 +194,10 @@ void BC1Encoder::EncodeBlock(Color4x4 pixels, BC1Block *dest) const {
Vector4 low, high;
bool multicolor = ComputeEndpoints<ColorMode::FourColor>(pixels, trial_result, metrics);
if (multicolor) {
FindSelectors4(pixels, trial_result, needs_block_error);
} else {
if (!multicolor) {
FindEndpointsSingleColor(trial_result, pixels, metrics.avg, false);
} else {
FindSelectors4(pixels, trial_result, needs_block_error);
}
if (trial_result.low == round_result.low && trial_result.high == round_result.high) break;
@ -211,7 +211,6 @@ void BC1Encoder::EncodeBlock(Color4x4 pixels, BC1Block *dest) const {
if (!needs_block_error || round_result.error < result.error) { result = round_result; }
}
bool usedCF = false;
// First refinement pass using ordered cluster fit
if (result.error > 0 && (_flags & Flags::UseLikelyTotalOrderings) != Flags::None) {
const unsigned total_iters = (_flags & Flags::Iterative) != Flags::None ? 2 : 1;
@ -253,31 +252,22 @@ void BC1Encoder::EncodeBlock(Color4x4 pixels, BC1Block *dest) const {
FindEndpointsSingleColor(trial_result, pixels, metrics.avg, false);
} else {
ComputeEndpoints<ColorMode::FourColor>(sums, trial_result, trial_matrix, trial_hash);
FindSelectors4(pixels, trial_result, true);
}
FindSelectors4(pixels, trial_result, true);
if (trial_result.error < result.error) {
result = trial_result;
usedCF = true;
}
if (trial_result.error < result.error) { result = trial_result; }
if (trial_result.error == 0) break;
}
}
}
EncodeBlock4Color(result, dest);
// if (result.low == result.high) {
// EncodeBlockSingleColor(metrics.avg, dest);
// } else {
// EncodeBlock4Color(result, dest);
// }
}
void BC1Encoder::EncodeBlockSingleColor(Color color, BC1Block *dest) const {
uint8_t mask = 0xAA; // 2222
uint16_t min16, max16;
if ((color.r | color.g | color.g) == 0) {
if ((color.r | color.g | color.b) == 0) {
// quick shortcut for all-black blocks
min16 = 0;
max16 = 1;
@ -316,7 +306,7 @@ void BC1Encoder::EncodeBlockSingleColor(Color color, BC1Block *dest) const {
}
assert(max16 > min16);
} else if (max16 > min16) {
std::swap(min16, max16); // assure 3-color blocks
std::swap(min16, max16); // assure 3-color blocks
}
}