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Fix a few bugs dealing with color blending

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This commit is contained in:
Pavel Krajcevski 2014-05-07 23:00:42 +02:00
parent a58501f56f
commit 1269ab1314
1 changed files with 24 additions and 15 deletions
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39
ASTCEncoder/src/Decompressor.cpp
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@ -91,6 +91,14 @@ namespace ASTCC {
return IntegerEncodedValue::CreateEncoding(m_MaxWeight).GetBitLength(nIdxs);
}
uint32 GetNumWeightValues() const {
uint32 ret = m_Width * m_Height;
if(m_bDualPlane) {
ret *= 2;
}
return ret;
}
};
TexelWeightParams DecodeBlockInfo(BitStreamReadOnly &strm) {
@ -283,10 +291,10 @@ namespace ASTCC {
return params;
}
void FillError(uint8 *outBuf, uint32 blockWidth, uint32 blockHeight) {
void FillError(uint32 *outBuf, uint32 blockWidth, uint32 blockHeight) {
for(uint32 j = 0; j < blockHeight; j++)
for(uint32 i = 0; i < blockWidth; i++) {
reinterpret_cast<uint32 *>(outBuf)[j * blockWidth + i] = 0xFFFF00FF;
outBuf[j * blockWidth + i] = 0xFFFF00FF;
}
}
@ -584,9 +592,13 @@ namespace ASTCC {
if(params.m_bDualPlane) {
itr++;
unquantized[1][weightIdx] = UnquantizeTexelWeight(*itr);
if(itr == weights.end()) {
break;
}
}
weightIdx++;
if(++weightIdx >= (params.m_Width * params.m_Height))
break;
}
// Do infill if necessary (Section C.2.18) ...
@ -638,7 +650,8 @@ namespace ASTCC {
// Section C.2.14
void ComputeEndpoints(FasTC::Pixel &ep1, FasTC::Pixel &ep2,
const uint32* &colorValues, uint32 colorEndpointMode) {
const uint32* colorValuesPtr, uint32 colorEndpointMode) {
const uint32 *colorValues = colorValuesPtr;
#define READ_UINT_VALUES(N) \
uint32 v[N]; \
for(uint32 i = 0; i < N; i++) { \
@ -770,7 +783,7 @@ namespace ASTCC {
void DecompressBlock(const uint8 inBuf[16],
const uint32 blockWidth, const uint32 blockHeight,
uint8 *outBuf) {
uint32 *outBuf) {
BitStreamReadOnly strm(inBuf);
TexelWeightParams weightParams = DecodeBlockInfo(strm);
@ -922,16 +935,16 @@ namespace ASTCC {
std::vector<IntegerEncodedValue> texelWeightValues;
FasTC::BitStreamReadOnly weightStream (texelWeightData);
IntegerEncodedValue::
DecodeIntegerSequence(texelWeightValues, weightStream,
weightParams.m_MaxWeight,
weightParams.m_Width * weightParams.m_Height);
weightParams.GetNumWeightValues());
FasTC::Pixel endpoints[4][2];
const uint32 *colorValuesPtr = colorValues;
for(uint32 i = 0; i < nPartitions; i++) {
ComputeEndpoints(endpoints[i][0], endpoints[i][1],
colorValuesPtr, colorEndpointMode[i]);
colorValues, colorEndpointMode[i]);
}
// Blocks can be at most 12x12, so we can have as many as 144 weights
@ -945,9 +958,6 @@ namespace ASTCC {
uint32 partition = Select2DPartition(
partitionIndex, i, j, nPartitions, (blockHeight * blockWidth) < 32
);
if(nPartitions == 1) {
partition = 0;
}
assert(partition < nPartitions);
FasTC::Pixel p;
@ -975,15 +985,14 @@ namespace ASTCC {
uint32 blockWidth = GetBlockWidth(dcj.Format());
uint32 blockHeight = GetBlockHeight(dcj.Format());
uint32 blockIdx = 0;
for(uint32 j = 0; j < dcj.Width(); j+=blockHeight) {
for(uint32 i = 0; i < dcj.Height(); i+=blockWidth) {
for(uint32 j = 0; j < dcj.Height(); j+=blockHeight) {
for(uint32 i = 0; i < dcj.Width(); i+=blockWidth) {
const uint8 *blockPtr = dcj.InBuf() + blockIdx*16;
// Blocks can be at most 12x12
uint32 uncompData[144];
uint8 *dataPtr = reinterpret_cast<uint8 *>(uncompData);
DecompressBlock(blockPtr, blockWidth, blockHeight, dataPtr);
DecompressBlock(blockPtr, blockWidth, blockHeight, uncompData);
uint8 *outRow = dcj.OutBuf() + (j*dcj.Width() + i)*4;
for(uint32 jj = 0; jj < blockHeight; jj++) {