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-rw-r--r--meta/recipes-qt/qt4/files/0009-support-2bpp.patch299
1 files changed, 299 insertions, 0 deletions
diff --git a/meta/recipes-qt/qt4/files/0009-support-2bpp.patch b/meta/recipes-qt/qt4/files/0009-support-2bpp.patch
new file mode 100644
index 0000000000..cf44ea8214
--- /dev/null
+++ b/meta/recipes-qt/qt4/files/0009-support-2bpp.patch
@@ -0,0 +1,299 @@
1Add 2bpp support
2
3Ported from OE by: Yu Ke <ke.yu@intel.com>
4
5diff -urN qt-embedded-linux-opensource-src-4.4.3.orig/configure qt-embedded-linux-opensource-src-4.4.3/configure
6--- qt-embedded-linux-opensource-src-4.4.3.orig/configure 2008-09-27 11:01:23.000000000 +0200
7+++ qt-embedded-linux-opensource-src-4.4.3/configure 2009-01-14 14:30:53.000000000 +0100
8@@ -5045,6 +5045,7 @@
9 echo "Choose pixel-depths to support:"
10 echo
11 echo " 1. 1bpp, black/white"
12+ echo " 2. 2bpp, grayscale"
13 echo " 4. 4bpp, grayscale"
14 echo " 8. 8bpp, paletted"
15 echo " 12. 12bpp, rgb 4-4-4"
16@@ -5063,11 +5064,11 @@
17 fi
18 if [ -n "$CFG_QWS_DEPTHS" -a "$PLATFORM_QWS" = "yes" ]; then
19 if [ "$CFG_QWS_DEPTHS" = "all" ]; then
20- CFG_QWS_DEPTHS="1 4 8 12 15 16 18 24 32 generic"
21+ CFG_QWS_DEPTHS="1 2 4 8 12 15 16 18 24 32 generic"
22 fi
23 for D in `echo "$CFG_QWS_DEPTHS" | sed -e 's/,/ /g'`; do
24 case $D in
25- 1|4|8|12|15|16|18|24|32) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_$D";;
26+ 1|2|4|8|12|15|16|18|24|32) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_$D";;
27 generic) QCONFIG_FLAGS="$QCONFIG_FLAGS QT_QWS_DEPTH_GENERIC";;
28 esac
29 done
30diff -urN qt-embedded-linux-opensource-src-4.4.3.orig/src/gui/embedded/qscreenlinuxfb_qws.cpp qt-embedded-linux-opensource-src-4.4.3/src/gui/embedded/qscreenlinuxfb_qws.cpp
31--- qt-embedded-linux-opensource-src-4.4.3.orig/src/gui/embedded/qscreenlinuxfb_qws.cpp 2008-09-27 11:01:28.000000000 +0200
32+++ qt-embedded-linux-opensource-src-4.4.3/src/gui/embedded/qscreenlinuxfb_qws.cpp 2009-01-14 17:22:34.000000000 +0100
33@@ -404,8 +404,8 @@
34 setupOffScreen();
35
36 // Now read in palette
37- if((vinfo.bits_per_pixel==8) || (vinfo.bits_per_pixel==4)) {
38- screencols= (vinfo.bits_per_pixel==8) ? 256 : 16;
39+ if((vinfo.bits_per_pixel==8) || (vinfo.bits_per_pixel==4) || (vinfo.bits_per_pixel==2)) {
40+ screencols= 1 << vinfo.bits_per_pixel;
41 int loopc;
42 fb_cmap startcmap;
43 startcmap.start=0;
44diff -urN qt-embedded-linux-opensource-src-4.4.3.orig/src/gui/embedded/qscreen_qws.cpp qt-embedded-linux-opensource-src-4.4.3/src/gui/embedded/qscreen_qws.cpp
45--- qt-embedded-linux-opensource-src-4.4.3.orig/src/gui/embedded/qscreen_qws.cpp 2008-09-27 11:01:28.000000000 +0200
46+++ qt-embedded-linux-opensource-src-4.4.3/src/gui/embedded/qscreen_qws.cpp 2009-01-14 17:22:44.000000000 +0100
47@@ -444,6 +444,58 @@
48 }
49 #endif // QT_QWS_DEPTH_4
50
51+#ifdef QT_QWS_DEPTH_2
52+static inline void qt_rectfill_gray2(quint8 *dest, quint8 value,
53+ int x, int y, int width, int height,
54+ int stride)
55+{
56+ const int pixelsPerByte = 4;
57+ const int alignWidth = qMin(width, (4 - (x & 3)) & 3);
58+ const int doAlign = (alignWidth > 0 ? 1 : 0);
59+ const int alignStart = pixelsPerByte - 1 - (x & 3);
60+ const int alignStop = alignStart - (alignWidth - 1);
61+ const quint8 alignMask = ((1 << (2 * alignWidth)) - 1) << (2 * alignStop);
62+ const int tailWidth = (width - alignWidth) & 3;
63+ const int doTail = (tailWidth > 0 ? 1 : 0);
64+ const quint8 tailMask = (1 << (2 * (pixelsPerByte - tailWidth))) - 1;
65+ const int width8 = (width - alignWidth) / pixelsPerByte;
66+
67+ dest += y * stride + x / pixelsPerByte;
68+ stride -= (doAlign + width8);
69+
70+ for (int j = 0; j < height; ++j) {
71+ if (doAlign) {
72+ *dest = (*dest & ~alignMask) | (value & alignMask);
73+ ++dest;
74+ }
75+ if (width8) {
76+ qt_memfill<quint8>(dest, value, width8);
77+ dest += width8;
78+ }
79+ if (doTail)
80+ *dest = (*dest & tailMask) | (value & ~tailMask);
81+ dest += stride;
82+ }
83+}
84+
85+static void solidFill_gray2(QScreen *screen, const QColor &color,
86+ const QRegion &region)
87+{
88+ quint8 *dest = reinterpret_cast<quint8*>(screen->base());
89+ const quint8 c = qGray(color.rgba()) >> 6;
90+ const quint8 c8 = (c << 6) | (c << 4) | (c << 2) | c;
91+
92+ const int stride = screen->linestep();
93+ const QVector<QRect> rects = region.rects();
94+
95+ for (int i = 0; i < rects.size(); ++i) {
96+ const QRect r = rects.at(i);
97+ qt_rectfill_gray2(dest, c8, r.x(), r.y(), r.width(), r.height(),
98+ stride);
99+ }
100+}
101+#endif // QT_QWS_DEPTH_2
102+
103 #ifdef QT_QWS_DEPTH_1
104 static inline void qt_rectfill_mono(quint8 *dest, quint8 value,
105 int x, int y, int width, int height,
106@@ -551,6 +603,11 @@
107 screen->d_ptr->solidFill = solidFill_gray4;
108 break;
109 #endif
110+#ifdef QT_QWS_DEPTH_2
111+ case 2:
112+ screen->d_ptr->solidFill = solidFill_gray2;
113+ break;
114+#endif
115 #ifdef QT_QWS_DEPTH_1
116 case 1:
117 screen->d_ptr->solidFill = solidFill_mono;
118@@ -958,6 +1015,149 @@
119 }
120 #endif // QT_QWS_DEPTH_4
121
122+#ifdef QT_QWS_DEPTH_2
123+
124+struct qgray2 { quint8 dummy; } Q_PACKED;
125+
126+template <typename SRC>
127+static inline quint8 qt_convertToGray2(SRC color);
128+
129+template <>
130+inline quint8 qt_convertToGray2(quint32 color)
131+{
132+ return qGray(color) >> 6;
133+}
134+
135+template <>
136+inline quint8 qt_convertToGray2(quint16 color)
137+{
138+ const int r = (color & 0xf800) >> 11;
139+ const int g = (color & 0x07e0) >> 6; // only keep 5 bit
140+ const int b = (color & 0x001f);
141+ return (r * 11 + g * 16 + b * 5) >> 8;
142+}
143+
144+template <>
145+inline quint8 qt_convertToGray2(qrgb444 color)
146+{
147+ return qt_convertToGray2(quint32(color));
148+}
149+
150+template <>
151+inline quint8 qt_convertToGray2(qargb4444 color)
152+{
153+ return qt_convertToGray2(quint32(color));
154+}
155+
156+template <typename SRC>
157+static inline void qt_rectconvert_gray2(qgray2 *dest2, const SRC *src,
158+ int x, int y, int width, int height,
159+ int dstStride, int srcStride)
160+{
161+ const int pixelsPerByte = 4;
162+ quint8 *dest8 = reinterpret_cast<quint8*>(dest2)
163+ + y * dstStride + x / pixelsPerByte;
164+ const int alignWidth = qMin(width, (4 - (x & 3)) & 3);
165+ const int doAlign = (alignWidth > 0 ? 1 : 0);
166+ const int alignStart = pixelsPerByte - 1 - (x & 3);
167+ const int alignStop = alignStart - (alignWidth - 1);
168+ const quint8 alignMask = ((1 << (2 * alignWidth)) - 1) << (2 * alignStop);
169+ const int tailWidth = (width - alignWidth) & 3;
170+ const int doTail = (tailWidth > 0 ? 1 : 0);
171+ const quint8 tailMask = (1 << (2 * (pixelsPerByte - tailWidth))) - 1;
172+ const int width8 = (width - alignWidth) / pixelsPerByte;
173+
174+ srcStride = srcStride / sizeof(SRC) - (width8 * pixelsPerByte + alignWidth);
175+ dstStride -= (width8 + doAlign);
176+
177+ for (int j = 0; j < height; ++j) {
178+ if (doAlign) {
179+ quint8 d = *dest8 & ~alignMask;
180+ for (int i = alignStart; i >= alignStop; --i)
181+ d |= qt_convertToGray2<SRC>(*src++) << (2 * i);
182+ *dest8++ = d;
183+ }
184+ for (int i = 0; i < width8; ++i) {
185+ *dest8 = (qt_convertToGray2<SRC>(src[0]) << 6)
186+ | (qt_convertToGray2<SRC>(src[1]) << 4)
187+ | (qt_convertToGray2<SRC>(src[2]) << 2)
188+ | (qt_convertToGray2<SRC>(src[3]));
189+ src += 4;
190+ ++dest8;
191+ }
192+ if (doTail) {
193+ quint8 d = *dest8 & tailMask;
194+ switch (tailWidth) {
195+ case 3: d |= qt_convertToGray2<SRC>(src[2]) << 2;
196+ case 2: d |= qt_convertToGray2<SRC>(src[1]) << 4;
197+ case 1: d |= qt_convertToGray2<SRC>(src[0]) << 6;
198+ }
199+ *dest8 = d;
200+ }
201+
202+ dest8 += dstStride;
203+ src += srcStride;
204+ }
205+}
206+
207+template <>
208+void qt_rectconvert(qgray2 *dest, const quint32 *src,
209+ int x, int y, int width, int height,
210+ int dstStride, int srcStride)
211+{
212+ qt_rectconvert_gray2<quint32>(dest, src, x, y, width, height,
213+ dstStride, srcStride);
214+}
215+
216+template <>
217+void qt_rectconvert(qgray2 *dest, const quint16 *src,
218+ int x, int y, int width, int height,
219+ int dstStride, int srcStride)
220+{
221+ qt_rectconvert_gray2<quint16>(dest, src, x, y, width, height,
222+ dstStride, srcStride);
223+}
224+
225+template <>
226+void qt_rectconvert(qgray2 *dest, const qrgb444 *src,
227+ int x, int y, int width, int height,
228+ int dstStride, int srcStride)
229+{
230+ qt_rectconvert_gray2<qrgb444>(dest, src, x, y, width, height,
231+ dstStride, srcStride);
232+}
233+
234+template <>
235+void qt_rectconvert(qgray2 *dest, const qargb4444 *src,
236+ int x, int y, int width, int height,
237+ int dstStride, int srcStride)
238+{
239+ qt_rectconvert_gray2<qargb4444>(dest, src, x, y, width, height,
240+ dstStride, srcStride);
241+}
242+
243+static void blit_2(QScreen *screen, const QImage &image,
244+ const QPoint &topLeft, const QRegion &region)
245+{
246+ switch (image.format()) {
247+ case QImage::Format_ARGB32_Premultiplied:
248+ blit_template<qgray2, quint32>(screen, image, topLeft, region);
249+ return;
250+ case QImage::Format_RGB16:
251+ blit_template<qgray2, quint16>(screen, image, topLeft, region);
252+ return;
253+ case QImage::Format_RGB444:
254+ blit_template<qgray2, qrgb444>(screen, image, topLeft, region);
255+ return;
256+ case QImage::Format_ARGB4444_Premultiplied:
257+ blit_template<qgray2, qargb4444>(screen, image, topLeft, region);
258+ return;
259+ default:
260+ qCritical("blit_2(): Image format %d not supported!", image.format());
261+ }
262+}
263+#endif // QT_QWS_DEPTH_2
264+
265 #ifdef QT_QWS_DEPTH_1
266
267 struct qmono { quint8 dummy; } Q_PACKED;
268@@ -1206,6 +1406,11 @@
269 screen->d_ptr->blit = blit_4;
270 break;
271 #endif
272+#ifdef QT_QWS_DEPTH_2
273+ case 2:
274+ screen->d_ptr->blit = blit_2;
275+ break;
276+#endif
277 #ifdef QT_QWS_DEPTH_1
278 case 1:
279 screen->d_ptr->blit = blit_1;
280@@ -2056,6 +2261,8 @@
281 }
282 } else if (d == 4) {
283 ret = qGray(r, g, b) >> 4;
284+ } else if (d == 2) {
285+ ret = qGray(r, g, b) >> 6;
286 } else if (d == 1) {
287 ret = qGray(r, g, b) >= 128;
288 } else {
289@@ -2126,6 +2333,10 @@
290 } else if(d==1) {
291 return true;
292 #endif
293+#ifdef QT_QWS_DEPTH_2
294+ } else if(d==2) {
295+ return true;
296+#endif
297 #ifdef QT_QWS_DEPTH_4
298 } else if(d==4) {
299 return true;
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