Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
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 0000000..8e411f3
--- /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
+