diff options
Diffstat (limited to 'meta/recipes-qt/qt4/qt4-4.8.7/0012-Add-2bpp-support.patch')
| -rw-r--r-- | meta/recipes-qt/qt4/qt4-4.8.7/0012-Add-2bpp-support.patch | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/meta/recipes-qt/qt4/qt4-4.8.7/0012-Add-2bpp-support.patch b/meta/recipes-qt/qt4/qt4-4.8.7/0012-Add-2bpp-support.patch new file mode 100644 index 0000000000..8e411f3426 --- /dev/null +++ b/meta/recipes-qt/qt4/qt4-4.8.7/0012-Add-2bpp-support.patch @@ -0,0 +1,318 @@ +From 8744273fc452eb54bbeeb7d15823009ce926c6fa Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Jeremy=20Lain=C3=A9?= <jeremy.laine@m4x.org> +Date: Wed, 26 Sep 2012 20:39:21 +0200 +Subject: [PATCH 12/21] Add 2bpp support + +Submitted upstream but rejected as being "out of scope": +https://bugreports.qt-project.org/browse/QTBUG-3468 + +Upstream-Status: Denied + +Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> +--- + configure | 5 +- + src/gui/embedded/qscreen_qws.cpp | 211 ++++++++++++++++++++++++++++++++ + src/gui/embedded/qscreenlinuxfb_qws.cpp | 4 +- + 3 files changed, 216 insertions(+), 4 deletions(-) + +diff --git a/configure b/configure +index 35a8fe7..79c1c7b 100755 +--- a/configure ++++ b/configure +@@ -7063,6 +7063,7 @@ if [ "$CFG_QWS_DEPTHS" = "prompted" -a "$PROMPT_FOR_DEPTHS" = "yes" ]; then + echo "Choose pixel-depths to support:" + echo + echo " 1. 1bpp, black/white" ++ echo " 2. 2bpp, grayscale" + echo " 4. 4bpp, grayscale" + echo " 8. 8bpp, paletted" + echo " 12. 12bpp, rgb 4-4-4" +@@ -7081,11 +7082,11 @@ if [ "$CFG_QWS_DEPTHS" = "prompted" -a "$PROMPT_FOR_DEPTHS" = "yes" ]; then + fi + if [ -n "$CFG_QWS_DEPTHS" -a "$PLATFORM_QWS" = "yes" ]; then + if [ "$CFG_QWS_DEPTHS" = "all" ]; then +- CFG_QWS_DEPTHS="1 4 8 12 15 16 18 24 32 generic" ++ CFG_QWS_DEPTHS="1 2 4 8 12 15 16 18 24 32 generic" + fi + for D in `echo "$CFG_QWS_DEPTHS" | sed -e 's/,/ /g'`; do + case $D in +- 1|4|8|12|15|16|18|24|32) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_$D";; ++ 1|2|4|8|12|15|16|18|24|32) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_$D";; + generic) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_GENERIC";; + esac + done +diff --git a/src/gui/embedded/qscreen_qws.cpp b/src/gui/embedded/qscreen_qws.cpp +index b307bf2..88950b3 100644 +--- a/src/gui/embedded/qscreen_qws.cpp ++++ b/src/gui/embedded/qscreen_qws.cpp +@@ -469,6 +469,58 @@ static void solidFill_gray4(QScreen *screen, const QColor &color, + } + #endif // QT_QWS_DEPTH_4 + ++#ifdef QT_QWS_DEPTH_2 ++static inline void qt_rectfill_gray2(quint8 *dest, quint8 value, ++ int x, int y, int width, int height, ++ int stride) ++{ ++ const int pixelsPerByte = 4; ++ const int alignWidth = qMin(width, (4 - (x & 3)) & 3); ++ const int doAlign = (alignWidth > 0 ? 1 : 0); ++ const int alignStart = pixelsPerByte - 1 - (x & 3); ++ const int alignStop = alignStart - (alignWidth - 1); ++ const quint8 alignMask = ((1 << (2 * alignWidth)) - 1) << (2 * alignStop); ++ const int tailWidth = (width - alignWidth) & 3; ++ const int doTail = (tailWidth > 0 ? 1 : 0); ++ const quint8 tailMask = (1 << (2 * (pixelsPerByte - tailWidth))) - 1; ++ const int width8 = (width - alignWidth) / pixelsPerByte; ++ ++ dest += y * stride + x / pixelsPerByte; ++ stride -= (doAlign + width8); ++ ++ for (int j = 0; j < height; ++j) { ++ if (doAlign) { ++ *dest = (*dest & ~alignMask) | (value & alignMask); ++ ++dest; ++ } ++ if (width8) { ++ qt_memfill<quint8>(dest, value, width8); ++ dest += width8; ++ } ++ if (doTail) ++ *dest = (*dest & tailMask) | (value & ~tailMask); ++ dest += stride; ++ } ++} ++ ++static void solidFill_gray2(QScreen *screen, const QColor &color, ++ const QRegion ®ion) ++{ ++ quint8 *dest = reinterpret_cast<quint8*>(screen->base()); ++ const quint8 c = qGray(color.rgba()) >> 6; ++ const quint8 c8 = (c << 6) | (c << 4) | (c << 2) | c; ++ ++ const int stride = screen->linestep(); ++ const QVector<QRect> rects = region.rects(); ++ ++ for (int i = 0; i < rects.size(); ++i) { ++ const QRect r = rects.at(i); ++ qt_rectfill_gray2(dest, c8, r.x(), r.y(), r.width(), r.height(), ++ stride); ++ } ++} ++#endif // QT_QWS_DEPTH_2 ++ + #ifdef QT_QWS_DEPTH_1 + static inline void qt_rectfill_mono(quint8 *dest, quint8 value, + int x, int y, int width, int height, +@@ -576,6 +628,11 @@ void qt_solidFill_setup(QScreen *screen, const QColor &color, + screen->d_ptr->solidFill = solidFill_gray4; + break; + #endif ++#ifdef QT_QWS_DEPTH_2 ++ case 2: ++ screen->d_ptr->solidFill = solidFill_gray2; ++ break; ++#endif + #ifdef QT_QWS_DEPTH_1 + case 1: + screen->d_ptr->solidFill = solidFill_mono; +@@ -1006,6 +1063,149 @@ static void blit_4(QScreen *screen, const QImage &image, + } + #endif // QT_QWS_DEPTH_4 + ++#ifdef QT_QWS_DEPTH_2 ++ ++struct qgray2 { quint8 dummy; } Q_PACKED; ++ ++template <typename SRC> ++static inline quint8 qt_convertToGray2(SRC color); ++ ++template <> ++inline quint8 qt_convertToGray2(quint32 color) ++{ ++ return qGray(color) >> 6; ++} ++ ++template <> ++inline quint8 qt_convertToGray2(quint16 color) ++{ ++ const int r = (color & 0xf800) >> 11; ++ const int g = (color & 0x07e0) >> 6; // only keep 5 bit ++ const int b = (color & 0x001f); ++ return (r * 11 + g * 16 + b * 5) >> 8; ++} ++ ++template <> ++inline quint8 qt_convertToGray2(qrgb444 color) ++{ ++ return qt_convertToGray2(quint32(color)); ++} ++ ++template <> ++inline quint8 qt_convertToGray2(qargb4444 color) ++{ ++ return qt_convertToGray2(quint32(color)); ++} ++ ++template <typename SRC> ++static inline void qt_rectconvert_gray2(qgray2 *dest2, const SRC *src, ++ int x, int y, int width, int height, ++ int dstStride, int srcStride) ++{ ++ const int pixelsPerByte = 4; ++ quint8 *dest8 = reinterpret_cast<quint8*>(dest2) ++ + y * dstStride + x / pixelsPerByte; ++ const int alignWidth = qMin(width, (4 - (x & 3)) & 3); ++ const int doAlign = (alignWidth > 0 ? 1 : 0); ++ const int alignStart = pixelsPerByte - 1 - (x & 3); ++ const int alignStop = alignStart - (alignWidth - 1); ++ const quint8 alignMask = ((1 << (2 * alignWidth)) - 1) << (2 * alignStop); ++ const int tailWidth = (width - alignWidth) & 3; ++ const int doTail = (tailWidth > 0 ? 1 : 0); ++ const quint8 tailMask = (1 << (2 * (pixelsPerByte - tailWidth))) - 1; ++ const int width8 = (width - alignWidth) / pixelsPerByte; ++ ++ srcStride = srcStride / sizeof(SRC) - (width8 * pixelsPerByte + alignWidth); ++ dstStride -= (width8 + doAlign); ++ ++ for (int j = 0; j < height; ++j) { ++ if (doAlign) { ++ quint8 d = *dest8 & ~alignMask; ++ for (int i = alignStart; i >= alignStop; --i) ++ d |= qt_convertToGray2<SRC>(*src++) << (2 * i); ++ *dest8++ = d; ++ } ++ for (int i = 0; i < width8; ++i) { ++ *dest8 = (qt_convertToGray2<SRC>(src[0]) << 6) ++ | (qt_convertToGray2<SRC>(src[1]) << 4) ++ | (qt_convertToGray2<SRC>(src[2]) << 2) ++ | (qt_convertToGray2<SRC>(src[3])); ++ src += 4; ++ ++dest8; ++ } ++ if (doTail) { ++ quint8 d = *dest8 & tailMask; ++ switch (tailWidth) { ++ case 3: d |= qt_convertToGray2<SRC>(src[2]) << 2; ++ case 2: d |= qt_convertToGray2<SRC>(src[1]) << 4; ++ case 1: d |= qt_convertToGray2<SRC>(src[0]) << 6; ++ } ++ *dest8 = d; ++ } ++ ++ dest8 += dstStride; ++ src += srcStride; ++ } ++} ++ ++template <> ++void qt_rectconvert(qgray2 *dest, const quint32 *src, ++ int x, int y, int width, int height, ++ int dstStride, int srcStride) ++{ ++ qt_rectconvert_gray2<quint32>(dest, src, x, y, width, height, ++ dstStride, srcStride); ++} ++ ++template <> ++void qt_rectconvert(qgray2 *dest, const quint16 *src, ++ int x, int y, int width, int height, ++ int dstStride, int srcStride) ++{ ++ qt_rectconvert_gray2<quint16>(dest, src, x, y, width, height, ++ dstStride, srcStride); ++} ++ ++template <> ++void qt_rectconvert(qgray2 *dest, const qrgb444 *src, ++ int x, int y, int width, int height, ++ int dstStride, int srcStride) ++{ ++ qt_rectconvert_gray2<qrgb444>(dest, src, x, y, width, height, ++ dstStride, srcStride); ++} ++ ++template <> ++void qt_rectconvert(qgray2 *dest, const qargb4444 *src, ++ int x, int y, int width, int height, ++ int dstStride, int srcStride) ++{ ++ qt_rectconvert_gray2<qargb4444>(dest, src, x, y, width, height, ++ dstStride, srcStride); ++} ++ ++static void blit_2(QScreen *screen, const QImage &image, ++ const QPoint &topLeft, const QRegion ®ion) ++{ ++ switch (image.format()) { ++ case QImage::Format_ARGB32_Premultiplied: ++ blit_template<qgray2, quint32>(screen, image, topLeft, region); ++ return; ++ case QImage::Format_RGB16: ++ blit_template<qgray2, quint16>(screen, image, topLeft, region); ++ return; ++ case QImage::Format_RGB444: ++ blit_template<qgray2, qrgb444>(screen, image, topLeft, region); ++ return; ++ case QImage::Format_ARGB4444_Premultiplied: ++ blit_template<qgray2, qargb4444>(screen, image, topLeft, region); ++ return; ++ default: ++ qCritical("blit_2(): Image format %d not supported!", image.format()); ++ } ++} ++#endif // QT_QWS_DEPTH_2 ++ + #ifdef QT_QWS_DEPTH_1 + + struct qmono { quint8 dummy; } Q_PACKED; +@@ -1259,6 +1459,11 @@ void qt_blit_setup(QScreen *screen, const QImage &image, + screen->d_ptr->blit = blit_4; + break; + #endif ++#ifdef QT_QWS_DEPTH_2 ++ case 2: ++ screen->d_ptr->blit = blit_2; ++ break; ++#endif + #ifdef QT_QWS_DEPTH_1 + case 1: + screen->d_ptr->blit = blit_1; +@@ -2146,6 +2351,8 @@ int QScreen::alloc(unsigned int r,unsigned int g,unsigned int b) + } + } else if (d == 4) { + ret = qGray(r, g, b) >> 4; ++ } else if (d == 2) { ++ ret = qGray(r, g, b) >> 6; + } else if (d == 1) { + ret = qGray(r, g, b) >= 128; + } else { +@@ -2216,6 +2423,10 @@ bool QScreen::supportsDepth(int d) const + } else if(d==1) { + return true; + #endif ++#ifdef QT_QWS_DEPTH_2 ++ } else if(d==2) { ++ return true; ++#endif + #ifdef QT_QWS_DEPTH_4 + } else if(d==4) { + return true; +diff --git a/src/gui/embedded/qscreenlinuxfb_qws.cpp b/src/gui/embedded/qscreenlinuxfb_qws.cpp +index 6f3caad..14159ee 100644 +--- a/src/gui/embedded/qscreenlinuxfb_qws.cpp ++++ b/src/gui/embedded/qscreenlinuxfb_qws.cpp +@@ -466,8 +466,8 @@ bool QLinuxFbScreen::connect(const QString &displaySpec) + setupOffScreen(); + + // Now read in palette +- if((vinfo.bits_per_pixel==8) || (vinfo.bits_per_pixel==4)) { +- screencols= (vinfo.bits_per_pixel==8) ? 256 : 16; ++ if((vinfo.bits_per_pixel==8) || (vinfo.bits_per_pixel==4) || (vinfo.bits_per_pixel==2)) { ++ screencols= 1 << vinfo.bits_per_pixel; + int loopc; + ::fb_cmap startcmap; + startcmap.start=0; +-- +1.8.0 + |