diff options
Diffstat (limited to 'wii/texpalette.cpp')
| -rw-r--r-- | wii/texpalette.cpp | 91 |
1 files changed, 88 insertions, 3 deletions
diff --git a/wii/texpalette.cpp b/wii/texpalette.cpp index 125454f..9fd304d 100644 --- a/wii/texpalette.cpp +++ b/wii/texpalette.cpp @@ -30,15 +30,20 @@ WiiTexPalette::WiiTexPalette(QDataStream &stream) { } static const int TexelWidths[] = { - 8, 8, 8, 4, 4, 4, 4, -1, 8, 8, 4 + 8, 8, 8, 4, 4, 4, 4, -1, 8, 8, 4, -1, -1, -1, 8 }; static const int TexelHeights[] = { - 8, 4, 4, 4, 4, 4, 4, -1, 8, 4, 4 + 8, 4, 4, 4, 4, 4, 4, -1, 8, 4, 4, -1, -1, -1, 8 }; static const int BitsPerPixel[] = { - 4, 8, 8, 16, 16, 16, 32, -1, 8, 16 + 4, 8, 8, 16, 16, 16, 32, -1, 8, 16, -1, -1, -1, 4 +}; + +static const char *FormatNames[] = { + "I4", "I8", "IA4", "IA8", "RGB565", "RGB5A3", "RGBA8", "_unused 7", + "CI4", "CI8", "CI14X2", "_unused 11", "_unused 12", "_unused 13", "CMPR" }; // This bit shamelessly stolen from Dolphin, but it didn't QUITE work right... @@ -51,6 +56,28 @@ inline uchar _4to8(uchar v) { return (v << 4); } inline uchar _5to8(uchar v) { return (v << 3); } inline uchar _6to8(uchar v) { return (v << 2); } + +static quint16 CMPRAvgColor(quint16 w0, quint16 w1, quint16 c0, quint16 c1) { + quint32 result; + + quint16 a0 = (quint16)(c0 >> 11); + quint16 a1 = (quint16)(c1 >> 11); + quint32 a = (quint32)((w0*a0 + w1*a1) / (w0+w1)); + result = (a << 11) & 0xffff; + + a0 = (quint16)((c0 >> 5) & 63); + a1 = (quint16)((c1 >> 5) & 63); + a = (quint32)((w0*a0 + w1*a1) / (w0+w1)); + result |= ((a << 5) & 0xffff); + + a0 = (quint16)(c0 & 31); + a1 = (quint16)(c1 & 31); + a = (quint32)((w0*a0 + w1*a1) / (w0+w1)); + result |= a; + + return (quint16)result; +} + void WiiTexPalette::readTexture(QDataStream &in, int textureOffs, int paletteOffs, WiiTPLTexture &tex) { in.device()->seek(textureOffs); @@ -88,6 +115,8 @@ void WiiTexPalette::readTexture(QDataStream &in, int textureOffs, int paletteOff return; } + qDebug() << "format:" << FormatNames[rawFormat] << "(" << rawFormat << "); size:" << width << "x" << height; + tex.image = QImage(width, height, QImage::Format_ARGB32); int texelWidth = TexelWidths[rawFormat]; @@ -274,6 +303,62 @@ void WiiTexPalette::readTexture(QDataStream &in, int textureOffs, int paletteOff } } break; + case GX::CMPR: + { + quint16 rawClrArray[4]; + QRgb clrArray[4]; + + for (int y = 0; y < paddedHeight; y += 8) { + for (int x = 0; x < paddedWidth; x += 8) { + for (int inBlockY = 0; inBlockY < 2; inBlockY++) { + for (int inBlockX = 0; inBlockX < 2; inBlockX++) { + in >> rawClrArray[0]; + in >> rawClrArray[1]; + + bool hasAlpha = false; + if (rawClrArray[0] > rawClrArray[1]) { + rawClrArray[2] = CMPRAvgColor(2, 1, rawClrArray[0], rawClrArray[1]); + rawClrArray[3] = CMPRAvgColor(1, 2, rawClrArray[0], rawClrArray[1]); + } else { + rawClrArray[2] = CMPRAvgColor(1, 1, rawClrArray[0], rawClrArray[1]); + rawClrArray[3] = rawClrArray[1]; + hasAlpha = true; + } + + for (int i = 0; i < 4; i++) { + quint16 v = rawClrArray[i]; + + clrArray[i] = qRgba( + _5to8((v >> 11) & 0x1F), + _6to8((v >> 5) & 0x3F), + _5to8(v & 0x1F), + ((i == 3) && hasAlpha) ? 0 : 255); + } + + for (int inY = 0; inY < 4; inY++) { + quint8 v; + in >> v; + + int finalY = y + (inBlockY * 4) + inY; + if (finalY < height) { + QRgb *scanline = (QRgb*)image.scanLine(finalY); + + for (int inX = 0; inX < 4; inX++) { + int finalX = x + (inBlockX * 4) + inX; + + if (finalX < width) + scanline[finalX] = clrArray[(v >> 6) & 3]; + + v <<= 2; + } + } + } + } + } + } + } + } + break; default: qWarning("unhandled texture format (%d)", rawFormat); } |