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Refactor debug output for modulation info.

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This commit is contained in:
Pavel Krajcevski 2013-09-12 15:01:19 -04:00
parent 1b073eb4b7
commit f7404c44b9
1 changed files with 47 additions and 52 deletions
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99
PVRTCEncoder/src/Decompressor.cpp
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@ -86,13 +86,18 @@ namespace PVRTCC {
static void Decompress4BPP(const Image &imgA, const Image &imgB,
const std::vector<Block> &blocks,
uint8 *const outBuf) {
uint8 *const outBuf,
bool bDebugImages = false) {
const uint32 w = imgA.GetWidth();
const uint32 h = imgA.GetHeight();
assert(imgA.GetWidth() == imgB.GetWidth());
assert(imgA.GetHeight() == imgB.GetHeight());
Image debugModulation(h, w);
const uint8 debugModulationBitDepth[4] = { 8, 4, 4, 4 };
debugModulation.ChangeBitDepth(debugModulationBitDepth);
for(uint32 j = 0; j < h; j++) {
for(uint32 i = 0; i < w; i++) {
const uint32 blockWidth = 4;
@ -128,6 +133,20 @@ namespace PVRTCC {
lerpVal = lerpVals[b.GetLerpValue(texelIndex)];
}
if(bDebugImages) {
Pixel &modPx = debugModulation(i, j);
modPx.A() = 0xFF;
for(uint32 c = 1; c < 4; c++) {
float fv = (static_cast<float>(lerpVal) / 8.0f) * 15.0f;
modPx.Component(c) = static_cast<uint8>(fv);
}
// Make punch through pixels red.
if(punchThrough) {
modPx.G() = modPx.B() = 0;
}
}
for(uint32 c = 0; c < 4; c++) {
uint16 va = static_cast<uint16>(pa.Component(c));
uint16 vb = static_cast<uint16>(pb.Component(c));
@ -144,11 +163,16 @@ namespace PVRTCC {
outPixels[(j * w) + i] = result.PackRGBA();
}
}
if(bDebugImages) {
debugModulation.DebugOutput("Modulation");
}
}
static void Decompress2BPP(const Image &imgA, const Image &imgB,
const std::vector<Block> &blocks,
uint8 *const outBuf) {
uint8 *const outBuf,
bool bDebugImages) {
const uint32 w = imgA.GetWidth();
const uint32 h = imgA.GetHeight();
@ -201,7 +225,7 @@ namespace PVRTCC {
const Block &b = blocks[blockIdx];
uint8 lerpVal = 0;
#define GET_LERP_VAL(x, y) (modValues[(y) * w + (x)])
#define GET_LERP_VAL(x, y) modValues[(y) * w + (x)]
if(b.GetModeBit() && ((i ^ j) & 0x1)) {
switch(b.Get2BPPSubMode()) {
@ -229,6 +253,7 @@ namespace PVRTCC {
// lerpVal /= 4;
break;
}
GET_LERP_VAL(i, j) = lerpVal;
} else {
lerpVal = GET_LERP_VAL(i, j);
}
@ -250,6 +275,23 @@ namespace PVRTCC {
outPixels[(j * w) + i] = result.PackRGBA();
}
}
if(bDebugImages) {
Image dbgMod(h, w);
uint8 modDepth[4] = { 8, 4, 4, 4 };
for(int i = 0; i < h*w; i++) {
float fb = static_cast<float>(modValues[i]);
uint8 val = static_cast<uint8>((fb / 8.0f) * 15.0f);
for(int k = 1; k < 4; k++) {
dbgMod(i%w, i/w).Component(k) = val;
}
dbgMod(i%w, i/w).A() = 0xFF;
}
dbgMod.DebugOutput("Modulation");
}
}
void Decompress(const DecompressionJob &dcj,
@ -360,57 +402,10 @@ namespace PVRTCC {
imgB.DebugOutput("ScaledImgB");
}
// Pack the pixels based on their modulation into the resulting buffer
// in RGBA format...
if(bDebugImages && !bTwoBitMode) {
Image modulation(h, w);
for(uint32 j = 0; j < h; j++) {
for(uint32 i = 0; i < w; i++) {
const uint32 blockWidth = bTwoBitMode? 8 : 4;
const uint32 blockHeight = 4;
const uint32 blockIdx = (j/blockHeight) * blocksW + (i/blockWidth);
const Block &b = blocks[blockIdx];
const uint32 texelIndex =
(j % blockHeight) * blockWidth + (i % blockWidth);
uint8 lerpVal;
if(b.GetModeBit()) {
const uint8 lerpVals[3] = { 8, 4, 0 };
uint8 modVal = b.GetLerpValue(texelIndex);
if(modVal >= 2) {
modVal -= 1;
}
lerpVal = lerpVals[modVal];
} else {
const uint8 lerpVals[4] = { 8, 5, 3, 0 };
lerpVal = lerpVals[b.GetLerpValue(texelIndex)];
}
Pixel iv;
const uint8 modDepth[4] = { 8, 3, 3, 3 };
iv.ChangeBitDepth(modDepth);
iv.A() = 0xFF;
for(int i = 1; i < 4; i++) {
if(lerpVal == 8) {
iv.Component(i) = 7;
} else {
iv.Component(i) = lerpVal;
}
}
modulation(i, j) = iv;
}
modulation.DebugOutput("DebugModulation");
}
}
if(bTwoBitMode) {
Decompress2BPP(imgA, imgB, blocks, dcj.outBuf);
Decompress2BPP(imgA, imgB, blocks, dcj.outBuf, bDebugImages);
} else {
Decompress4BPP(imgA, imgB, blocks, dcj.outBuf);
Decompress4BPP(imgA, imgB, blocks, dcj.outBuf, bDebugImages);
}
}