1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 | **
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7 | ** This file is part of the QtOpenVG module of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at qt-info@nokia.com.
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include "qpixmapdata_vg_p.h"
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43 | #include "qpaintengine_vg_p.h"
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44 | #include <QtGui/private/qdrawhelper_p.h>
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45 | #include "qvg_p.h"
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46 | #include "qvgimagepool_p.h"
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47 |
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48 | #ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE
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49 | #include <private/qt_s60_p.h>
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50 | #include <fbs.h>
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51 | #include <graphics/sgimage.h>
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52 | typedef EGLImageKHR (*pfnEglCreateImageKHR)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, EGLint*);
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53 | typedef EGLBoolean (*pfnEglDestroyImageKHR)(EGLDisplay, EGLImageKHR);
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54 | typedef VGImage (*pfnVgCreateEGLImageTargetKHR)(VGeglImageKHR);
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55 | #endif // QT_SYMBIAN_SUPPORTS_SGIMAGE
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56 |
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57 | QT_BEGIN_NAMESPACE
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58 |
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59 | static int qt_vg_pixmap_serial = 0;
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60 |
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61 | QVGPixmapData::QVGPixmapData(PixelType type)
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62 | : QPixmapData(type, OpenVGClass)
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63 | {
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64 | Q_ASSERT(type == QPixmapData::PixmapType);
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65 | vgImage = VG_INVALID_HANDLE;
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66 | vgImageOpacity = VG_INVALID_HANDLE;
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67 | cachedOpacity = 1.0f;
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68 | recreate = true;
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69 | inImagePool = false;
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70 | inLRU = false;
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71 | #if !defined(QT_NO_EGL)
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72 | context = 0;
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73 | qt_vg_register_pixmap(this);
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74 | #endif
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75 | setSerialNumber(++qt_vg_pixmap_serial);
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76 | }
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77 |
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78 | QVGPixmapData::~QVGPixmapData()
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79 | {
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80 | destroyImageAndContext();
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81 | #if !defined(QT_NO_EGL)
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82 | qt_vg_unregister_pixmap(this);
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83 | #endif
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84 | }
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85 |
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86 | void QVGPixmapData::destroyImages()
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87 | {
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88 | if (inImagePool) {
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89 | QVGImagePool *pool = QVGImagePool::instance();
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90 | if (vgImage != VG_INVALID_HANDLE)
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91 | pool->releaseImage(this, vgImage);
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92 | if (vgImageOpacity != VG_INVALID_HANDLE)
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93 | pool->releaseImage(this, vgImageOpacity);
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94 | } else {
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95 | if (vgImage != VG_INVALID_HANDLE)
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96 | vgDestroyImage(vgImage);
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97 | if (vgImageOpacity != VG_INVALID_HANDLE)
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98 | vgDestroyImage(vgImageOpacity);
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99 | }
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100 | vgImage = VG_INVALID_HANDLE;
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101 | vgImageOpacity = VG_INVALID_HANDLE;
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102 | inImagePool = false;
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103 | }
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104 |
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105 | void QVGPixmapData::destroyImageAndContext()
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106 | {
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107 | if (vgImage != VG_INVALID_HANDLE) {
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108 | // We need to have a context current to destroy the image.
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109 | #if !defined(QT_NO_EGL)
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110 | if (context->isCurrent()) {
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111 | destroyImages();
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112 | } else {
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113 | // We don't currently have a widget surface active, but we
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114 | // need a surface to make the context current. So use the
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115 | // shared pbuffer surface instead.
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116 | context->makeCurrent(qt_vg_shared_surface());
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117 | destroyImages();
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118 | context->lazyDoneCurrent();
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119 | }
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120 | #else
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121 | destroyImages();
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122 | #endif
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123 | }
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124 | #if !defined(QT_NO_EGL)
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125 | if (context) {
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126 | qt_vg_destroy_context(context, QInternal::Pixmap);
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127 | context = 0;
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128 | }
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129 | #endif
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130 | recreate = true;
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131 | }
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132 |
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133 | QPixmapData *QVGPixmapData::createCompatiblePixmapData() const
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134 | {
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135 | return new QVGPixmapData(pixelType());
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136 | }
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137 |
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138 | bool QVGPixmapData::isValid() const
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139 | {
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140 | return (w > 0 && h > 0);
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141 | }
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142 |
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143 | void QVGPixmapData::resize(int wid, int ht)
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144 | {
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145 | if (w == wid && h == ht)
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146 | return;
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147 |
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148 | w = wid;
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149 | h = ht;
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150 | d = 32; // We always use ARGB_Premultiplied for VG pixmaps.
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151 | is_null = (w <= 0 || h <= 0);
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152 | source = QImage();
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153 | recreate = true;
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154 |
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155 | setSerialNumber(++qt_vg_pixmap_serial);
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156 | }
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157 |
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158 | void QVGPixmapData::fromImage
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159 | (const QImage &image, Qt::ImageConversionFlags flags)
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160 | {
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161 | if (image.size() == QSize(w, h))
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162 | setSerialNumber(++qt_vg_pixmap_serial);
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163 | else
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164 | resize(image.width(), image.height());
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165 | source = image.convertToFormat(sourceFormat(), flags);
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166 | recreate = true;
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167 | }
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168 |
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169 | void QVGPixmapData::fill(const QColor &color)
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170 | {
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171 | if (!isValid())
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172 | return;
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173 |
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174 | if (source.isNull())
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175 | source = QImage(w, h, sourceFormat());
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176 |
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177 | if (source.depth() == 1) {
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178 | // Pick the best approximate color in the image's colortable.
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179 | int gray = qGray(color.rgba());
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180 | if (qAbs(qGray(source.color(0)) - gray) < qAbs(qGray(source.color(1)) - gray))
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181 | source.fill(0);
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182 | else
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183 | source.fill(1);
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184 | } else {
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185 | source.fill(PREMUL(color.rgba()));
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186 | }
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187 |
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188 | // Re-upload the image to VG the next time toVGImage() is called.
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189 | recreate = true;
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190 | }
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191 |
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192 | bool QVGPixmapData::hasAlphaChannel() const
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193 | {
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194 | if (!source.isNull())
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195 | return source.hasAlphaChannel();
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196 | else
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197 | return isValid();
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198 | }
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199 |
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200 | void QVGPixmapData::setAlphaChannel(const QPixmap &alphaChannel)
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201 | {
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202 | forceToImage();
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203 | source.setAlphaChannel(alphaChannel.toImage());
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204 | }
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205 |
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206 | QImage QVGPixmapData::toImage() const
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207 | {
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208 | if (!isValid())
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209 | return QImage();
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210 |
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211 | if (source.isNull()) {
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212 | source = QImage(w, h, sourceFormat());
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213 | recreate = true;
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214 | }
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215 |
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216 | return source;
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217 | }
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218 |
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219 | QImage *QVGPixmapData::buffer()
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220 | {
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221 | forceToImage();
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222 | return &source;
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223 | }
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224 |
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225 | QPaintEngine* QVGPixmapData::paintEngine() const
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226 | {
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227 | // If the application wants to paint into the QPixmap, we first
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228 | // force it to QImage format and then paint into that.
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229 | // This is simpler than juggling multiple VG contexts.
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230 | const_cast<QVGPixmapData *>(this)->forceToImage();
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231 | return source.paintEngine();
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232 | }
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233 |
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234 | // This function works around QImage::bits() making a deep copy if the
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235 | // QImage is not const. We force it to be const and then get the bits.
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236 | // XXX: Should add a QImage::constBits() in the future to replace this.
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237 | const uchar *qt_vg_imageBits(const QImage& image)
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238 | {
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239 | return image.bits();
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240 | }
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241 |
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242 | VGImage QVGPixmapData::toVGImage()
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243 | {
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244 | if (!isValid())
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245 | return VG_INVALID_HANDLE;
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246 |
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247 | #if !defined(QT_NO_EGL)
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248 | // Increase the reference count on the shared context.
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249 | if (!context)
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250 | context = qt_vg_create_context(0, QInternal::Pixmap);
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251 | #endif
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252 |
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253 | if (recreate && prevSize != QSize(w, h))
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254 | destroyImages();
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255 | else if (recreate)
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256 | cachedOpacity = -1.0f; // Force opacity image to be refreshed later.
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257 |
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258 | if (vgImage == VG_INVALID_HANDLE) {
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259 | vgImage = QVGImagePool::instance()->createImageForPixmap
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260 | (VG_sARGB_8888_PRE, w, h, VG_IMAGE_QUALITY_FASTER, this);
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261 |
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262 | // Bail out if we run out of GPU memory - try again next time.
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263 | if (vgImage == VG_INVALID_HANDLE)
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264 | return VG_INVALID_HANDLE;
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265 |
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266 | inImagePool = true;
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267 | } else if (inImagePool) {
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268 | QVGImagePool::instance()->useImage(this);
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269 | }
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270 |
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271 | if (!source.isNull() && recreate) {
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272 | vgImageSubData
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273 | (vgImage,
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274 | qt_vg_imageBits(source), source.bytesPerLine(),
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275 | VG_sARGB_8888_PRE, 0, 0, w, h);
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276 | }
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277 |
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278 | recreate = false;
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279 | prevSize = QSize(w, h);
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280 |
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281 | return vgImage;
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282 | }
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283 |
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284 | VGImage QVGPixmapData::toVGImage(qreal opacity)
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285 | {
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286 | #if !defined(QT_SHIVAVG)
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287 | // Force the primary VG image to be recreated if necessary.
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288 | if (toVGImage() == VG_INVALID_HANDLE)
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289 | return VG_INVALID_HANDLE;
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290 |
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291 | if (opacity == 1.0f)
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292 | return vgImage;
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293 |
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294 | // Create an alternative image for the selected opacity.
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295 | if (vgImageOpacity == VG_INVALID_HANDLE || cachedOpacity != opacity) {
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296 | if (vgImageOpacity == VG_INVALID_HANDLE) {
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297 | if (inImagePool) {
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298 | vgImageOpacity = QVGImagePool::instance()->createImageForPixmap
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299 | (VG_sARGB_8888_PRE, w, h, VG_IMAGE_QUALITY_FASTER, this);
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300 | } else {
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301 | vgImageOpacity = vgCreateImage
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302 | (VG_sARGB_8888_PRE, w, h, VG_IMAGE_QUALITY_FASTER);
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303 | }
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304 |
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305 | // Bail out if we run out of GPU memory - try again next time.
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306 | if (vgImageOpacity == VG_INVALID_HANDLE)
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307 | return VG_INVALID_HANDLE;
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308 | }
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309 | VGfloat matrix[20] = {
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310 | 1.0f, 0.0f, 0.0f, 0.0f,
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311 | 0.0f, 1.0f, 0.0f, 0.0f,
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312 | 0.0f, 0.0f, 1.0f, 0.0f,
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313 | 0.0f, 0.0f, 0.0f, opacity,
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314 | 0.0f, 0.0f, 0.0f, 0.0f
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315 | };
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316 | vgColorMatrix(vgImageOpacity, vgImage, matrix);
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317 | cachedOpacity = opacity;
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318 | }
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319 |
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320 | return vgImageOpacity;
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321 | #else
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322 | // vgColorMatrix() doesn't work with ShivaVG, so ignore the opacity.
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323 | Q_UNUSED(opacity);
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324 | return toVGImage();
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325 | #endif
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326 | }
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327 |
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328 | void QVGPixmapData::detachImageFromPool()
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329 | {
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330 | if (inImagePool) {
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331 | QVGImagePool::instance()->detachImage(this);
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332 | inImagePool = false;
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333 | }
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334 | }
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335 |
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336 | void QVGPixmapData::hibernate()
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337 | {
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338 | // If the image was imported (e.g, from an SgImage under Symbian),
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339 | // then we cannot copy it back to main memory for storage.
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340 | if (vgImage != VG_INVALID_HANDLE && source.isNull())
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341 | return;
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342 |
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343 | forceToImage();
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344 | destroyImageAndContext();
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345 | }
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346 |
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347 | void QVGPixmapData::reclaimImages()
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348 | {
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349 | if (!inImagePool)
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350 | return;
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351 | forceToImage();
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352 | destroyImages();
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353 | }
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354 |
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355 | extern int qt_defaultDpiX();
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356 | extern int qt_defaultDpiY();
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357 |
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358 | int QVGPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
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359 | {
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360 | switch (metric) {
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361 | case QPaintDevice::PdmWidth:
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362 | return w;
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363 | case QPaintDevice::PdmHeight:
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364 | return h;
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365 | case QPaintDevice::PdmNumColors:
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366 | return 0;
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367 | case QPaintDevice::PdmDepth:
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368 | return d;
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369 | case QPaintDevice::PdmWidthMM:
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370 | return qRound(w * 25.4 / qt_defaultDpiX());
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371 | case QPaintDevice::PdmHeightMM:
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372 | return qRound(h * 25.4 / qt_defaultDpiY());
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373 | case QPaintDevice::PdmDpiX:
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374 | case QPaintDevice::PdmPhysicalDpiX:
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375 | return qt_defaultDpiX();
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376 | case QPaintDevice::PdmDpiY:
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377 | case QPaintDevice::PdmPhysicalDpiY:
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378 | return qt_defaultDpiY();
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379 | default:
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380 | qWarning("QVGPixmapData::metric(): Invalid metric");
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381 | return 0;
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382 | }
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383 | }
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384 |
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385 | // Force the pixmap data to be in QImage format.
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386 | void QVGPixmapData::forceToImage()
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387 | {
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388 | if (!isValid())
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389 | return;
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390 |
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391 | if (source.isNull())
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392 | source = QImage(w, h, sourceFormat());
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393 |
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394 | recreate = true;
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395 | }
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396 |
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397 | QImage::Format QVGPixmapData::sourceFormat() const
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398 | {
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399 | return QImage::Format_ARGB32_Premultiplied;
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400 | }
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401 |
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402 | /*
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403 | \internal
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404 |
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405 | Returns the VGImage that is storing the contents of \a pixmap.
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406 | Returns VG_INVALID_HANDLE if \a pixmap is not owned by the OpenVG
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407 | graphics system or \a pixmap is invalid.
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408 |
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409 | This function is typically used to access the backing store
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410 | for a pixmap when executing raw OpenVG calls. It must only
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411 | be used when a QPainter is active and the OpenVG paint engine
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412 | is in use by the QPainter.
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413 |
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414 | \sa {QtOpenVG Module}
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415 | */
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416 | Q_OPENVG_EXPORT VGImage qPixmapToVGImage(const QPixmap& pixmap)
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417 | {
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418 | QPixmapData *pd = pixmap.pixmapData();
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419 | if (!pd)
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420 | return VG_INVALID_HANDLE; // null QPixmap
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421 | if (pd->classId() == QPixmapData::OpenVGClass) {
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422 | QVGPixmapData *vgpd = static_cast<QVGPixmapData *>(pd);
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423 | if (vgpd->isValid())
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424 | return vgpd->toVGImage();
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425 | }
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426 | return VG_INVALID_HANDLE;
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427 | }
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428 |
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429 | #if defined(Q_OS_SYMBIAN)
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430 |
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431 | static CFbsBitmap* createBlitCopy(CFbsBitmap* bitmap)
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432 | {
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433 | CFbsBitmap *copy = q_check_ptr(new CFbsBitmap);
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434 | if(!copy)
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435 | return 0;
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436 |
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437 | if (copy->Create(bitmap->SizeInPixels(), bitmap->DisplayMode()) != KErrNone) {
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438 | delete copy;
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439 | copy = 0;
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440 |
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441 | return 0;
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442 | }
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443 |
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444 | CFbsBitmapDevice* bitmapDevice = 0;
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445 | CFbsBitGc *bitmapGc = 0;
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446 | QT_TRAP_THROWING(bitmapDevice = CFbsBitmapDevice::NewL(copy));
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447 | QT_TRAP_THROWING(bitmapGc = CFbsBitGc::NewL());
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448 | bitmapGc->Activate(bitmapDevice);
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449 |
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450 | bitmapGc->BitBlt(TPoint(), bitmap);
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451 |
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452 | delete bitmapGc;
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453 | delete bitmapDevice;
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454 |
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455 | return copy;
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456 | }
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457 |
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458 | void QVGPixmapData::cleanup()
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459 | {
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460 | is_null = w = h = 0;
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461 | recreate = false;
|
---|
462 | source = QImage();
|
---|
463 | }
|
---|
464 |
|
---|
465 | void QVGPixmapData::fromNativeType(void* pixmap, NativeType type)
|
---|
466 | {
|
---|
467 | #if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
|
---|
468 | if (type == QPixmapData::SgImage && pixmap) {
|
---|
469 | RSgImage *sgImage = reinterpret_cast<RSgImage*>(pixmap);
|
---|
470 | // when "0" used as argument then
|
---|
471 | // default display, context are used
|
---|
472 | if (!context)
|
---|
473 | context = qt_vg_create_context(0, QInternal::Pixmap);
|
---|
474 |
|
---|
475 | destroyImages();
|
---|
476 | prevSize = QSize();
|
---|
477 |
|
---|
478 | TInt err = 0;
|
---|
479 |
|
---|
480 | err = SgDriver::Open();
|
---|
481 | if(err != KErrNone) {
|
---|
482 | cleanup();
|
---|
483 | return;
|
---|
484 | }
|
---|
485 |
|
---|
486 | if(sgImage->IsNull()) {
|
---|
487 | cleanup();
|
---|
488 | SgDriver::Close();
|
---|
489 | return;
|
---|
490 | }
|
---|
491 |
|
---|
492 | TSgImageInfo sgImageInfo;
|
---|
493 | err = sgImage->GetInfo(sgImageInfo);
|
---|
494 | if(err != KErrNone) {
|
---|
495 | cleanup();
|
---|
496 | SgDriver::Close();
|
---|
497 | return;
|
---|
498 | }
|
---|
499 |
|
---|
500 | pfnEglCreateImageKHR eglCreateImageKHR = (pfnEglCreateImageKHR) eglGetProcAddress("eglCreateImageKHR");
|
---|
501 | pfnEglDestroyImageKHR eglDestroyImageKHR = (pfnEglDestroyImageKHR) eglGetProcAddress("eglDestroyImageKHR");
|
---|
502 | pfnVgCreateEGLImageTargetKHR vgCreateEGLImageTargetKHR = (pfnVgCreateEGLImageTargetKHR) eglGetProcAddress("vgCreateEGLImageTargetKHR");
|
---|
503 |
|
---|
504 | if(eglGetError() != EGL_SUCCESS || !eglCreateImageKHR || !eglDestroyImageKHR || !vgCreateEGLImageTargetKHR) {
|
---|
505 | cleanup();
|
---|
506 | SgDriver::Close();
|
---|
507 | return;
|
---|
508 | }
|
---|
509 |
|
---|
510 | const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
|
---|
511 | EGLImageKHR eglImage = eglCreateImageKHR(context->display(),
|
---|
512 | EGL_NO_CONTEXT,
|
---|
513 | EGL_NATIVE_PIXMAP_KHR,
|
---|
514 | (EGLClientBuffer)sgImage,
|
---|
515 | (EGLint*)KEglImageAttribs);
|
---|
516 |
|
---|
517 | if(eglGetError() != EGL_SUCCESS) {
|
---|
518 | cleanup();
|
---|
519 | SgDriver::Close();
|
---|
520 | return;
|
---|
521 | }
|
---|
522 |
|
---|
523 | vgImage = vgCreateEGLImageTargetKHR(eglImage);
|
---|
524 | if(vgGetError() != VG_NO_ERROR) {
|
---|
525 | cleanup();
|
---|
526 | eglDestroyImageKHR(context->display(), eglImage);
|
---|
527 | SgDriver::Close();
|
---|
528 | return;
|
---|
529 | }
|
---|
530 |
|
---|
531 | w = sgImageInfo.iSizeInPixels.iWidth;
|
---|
532 | h = sgImageInfo.iSizeInPixels.iHeight;
|
---|
533 | d = 32; // We always use ARGB_Premultiplied for VG pixmaps.
|
---|
534 | is_null = (w <= 0 || h <= 0);
|
---|
535 | source = QImage();
|
---|
536 | recreate = false;
|
---|
537 | prevSize = QSize(w, h);
|
---|
538 | setSerialNumber(++qt_vg_pixmap_serial);
|
---|
539 | // release stuff
|
---|
540 | eglDestroyImageKHR(context->display(), eglImage);
|
---|
541 | SgDriver::Close();
|
---|
542 | } else if (type == QPixmapData::FbsBitmap) {
|
---|
543 | CFbsBitmap *bitmap = reinterpret_cast<CFbsBitmap*>(pixmap);
|
---|
544 |
|
---|
545 | bool deleteSourceBitmap = false;
|
---|
546 |
|
---|
547 | #ifdef Q_SYMBIAN_HAS_EXTENDED_BITMAP_TYPE
|
---|
548 |
|
---|
549 | // Rasterize extended bitmaps
|
---|
550 |
|
---|
551 | TUid extendedBitmapType = bitmap->ExtendedBitmapType();
|
---|
552 | if (extendedBitmapType != KNullUid) {
|
---|
553 | bitmap = createBlitCopy(bitmap);
|
---|
554 | deleteSourceBitmap = true;
|
---|
555 | }
|
---|
556 | #endif
|
---|
557 |
|
---|
558 | if (bitmap->IsCompressedInRAM()) {
|
---|
559 | bitmap = createBlitCopy(bitmap);
|
---|
560 | deleteSourceBitmap = true;
|
---|
561 | }
|
---|
562 |
|
---|
563 | TDisplayMode displayMode = bitmap->DisplayMode();
|
---|
564 | QImage::Format format = qt_TDisplayMode2Format(displayMode);
|
---|
565 |
|
---|
566 | TSize size = bitmap->SizeInPixels();
|
---|
567 |
|
---|
568 | bitmap->BeginDataAccess();
|
---|
569 | uchar *bytes = (uchar*)bitmap->DataAddress();
|
---|
570 | QImage img = QImage(bytes, size.iWidth, size.iHeight, format);
|
---|
571 | img = img.copy();
|
---|
572 | bitmap->EndDataAccess();
|
---|
573 |
|
---|
574 | if(displayMode == EGray2) {
|
---|
575 | //Symbian thinks set pixels are white/transparent, Qt thinks they are foreground/solid
|
---|
576 | //So invert mono bitmaps so that masks work correctly.
|
---|
577 | img.invertPixels();
|
---|
578 | } else if(displayMode == EColor16M) {
|
---|
579 | img = img.rgbSwapped(); // EColor16M is BGR
|
---|
580 | }
|
---|
581 |
|
---|
582 | fromImage(img, Qt::AutoColor);
|
---|
583 |
|
---|
584 | if(deleteSourceBitmap)
|
---|
585 | delete bitmap;
|
---|
586 | }
|
---|
587 | #else
|
---|
588 | Q_UNUSED(pixmap);
|
---|
589 | Q_UNUSED(type);
|
---|
590 | #endif
|
---|
591 | }
|
---|
592 |
|
---|
593 | void* QVGPixmapData::toNativeType(NativeType type)
|
---|
594 | {
|
---|
595 | #if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
|
---|
596 | if (type == QPixmapData::SgImage) {
|
---|
597 | toVGImage();
|
---|
598 |
|
---|
599 | if(!isValid() || vgImage == VG_INVALID_HANDLE)
|
---|
600 | return 0;
|
---|
601 |
|
---|
602 | TInt err = 0;
|
---|
603 |
|
---|
604 | err = SgDriver::Open();
|
---|
605 | if(err != KErrNone)
|
---|
606 | return 0;
|
---|
607 |
|
---|
608 | TSgImageInfo sgInfo;
|
---|
609 | sgInfo.iPixelFormat = EUidPixelFormatARGB_8888_PRE;
|
---|
610 | sgInfo.iSizeInPixels.SetSize(w, h);
|
---|
611 | sgInfo.iUsage = ESgUsageOpenVgImage | ESgUsageOpenVgTarget;
|
---|
612 | sgInfo.iShareable = ETrue;
|
---|
613 | sgInfo.iCpuAccess = ESgCpuAccessNone;
|
---|
614 | sgInfo.iScreenId = KSgScreenIdMain; //KSgScreenIdAny;
|
---|
615 | sgInfo.iUserAttributes = NULL;
|
---|
616 | sgInfo.iUserAttributeCount = 0;
|
---|
617 |
|
---|
618 | RSgImage *sgImage = q_check_ptr(new RSgImage());
|
---|
619 | err = sgImage->Create(sgInfo, NULL, NULL);
|
---|
620 | if(err != KErrNone) {
|
---|
621 | SgDriver::Close();
|
---|
622 | return 0;
|
---|
623 | }
|
---|
624 |
|
---|
625 | pfnEglCreateImageKHR eglCreateImageKHR = (pfnEglCreateImageKHR) eglGetProcAddress("eglCreateImageKHR");
|
---|
626 | pfnEglDestroyImageKHR eglDestroyImageKHR = (pfnEglDestroyImageKHR) eglGetProcAddress("eglDestroyImageKHR");
|
---|
627 | pfnVgCreateEGLImageTargetKHR vgCreateEGLImageTargetKHR = (pfnVgCreateEGLImageTargetKHR) eglGetProcAddress("vgCreateEGLImageTargetKHR");
|
---|
628 |
|
---|
629 | if(eglGetError() != EGL_SUCCESS || !eglCreateImageKHR || !eglDestroyImageKHR || !vgCreateEGLImageTargetKHR) {
|
---|
630 | SgDriver::Close();
|
---|
631 | return 0;
|
---|
632 | }
|
---|
633 |
|
---|
634 | const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
|
---|
635 | EGLImageKHR eglImage = eglCreateImageKHR(context->display(),
|
---|
636 | EGL_NO_CONTEXT,
|
---|
637 | EGL_NATIVE_PIXMAP_KHR,
|
---|
638 | (EGLClientBuffer)sgImage,
|
---|
639 | (EGLint*)KEglImageAttribs);
|
---|
640 | if(eglGetError() != EGL_SUCCESS) {
|
---|
641 | sgImage->Close();
|
---|
642 | SgDriver::Close();
|
---|
643 | return 0;
|
---|
644 | }
|
---|
645 |
|
---|
646 | VGImage dstVgImage = vgCreateEGLImageTargetKHR(eglImage);
|
---|
647 | if(vgGetError() != VG_NO_ERROR) {
|
---|
648 | eglDestroyImageKHR(context->display(), eglImage);
|
---|
649 | sgImage->Close();
|
---|
650 | SgDriver::Close();
|
---|
651 | return 0;
|
---|
652 | }
|
---|
653 |
|
---|
654 | vgCopyImage(dstVgImage, 0, 0,
|
---|
655 | vgImage, 0, 0,
|
---|
656 | w, h, VG_FALSE);
|
---|
657 |
|
---|
658 | if(vgGetError() != VG_NO_ERROR) {
|
---|
659 | sgImage->Close();
|
---|
660 | sgImage = 0;
|
---|
661 | }
|
---|
662 | // release stuff
|
---|
663 | vgDestroyImage(dstVgImage);
|
---|
664 | eglDestroyImageKHR(context->display(), eglImage);
|
---|
665 | SgDriver::Close();
|
---|
666 | return reinterpret_cast<void*>(sgImage);
|
---|
667 | } else if (type == QPixmapData::FbsBitmap) {
|
---|
668 | CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);
|
---|
669 |
|
---|
670 | if (bitmap) {
|
---|
671 | if (bitmap->Create(TSize(source.width(), source.height()),
|
---|
672 | EColor16MAP) == KErrNone) {
|
---|
673 | const uchar *sptr = qt_vg_imageBits(source);
|
---|
674 | bitmap->BeginDataAccess();
|
---|
675 |
|
---|
676 | uchar *dptr = (uchar*)bitmap->DataAddress();
|
---|
677 | Mem::Copy(dptr, sptr, source.byteCount());
|
---|
678 |
|
---|
679 | bitmap->EndDataAccess();
|
---|
680 | } else {
|
---|
681 | delete bitmap;
|
---|
682 | bitmap = 0;
|
---|
683 | }
|
---|
684 | }
|
---|
685 |
|
---|
686 | return reinterpret_cast<void*>(bitmap);
|
---|
687 | }
|
---|
688 | #else
|
---|
689 | Q_UNUSED(type);
|
---|
690 | return 0;
|
---|
691 | #endif
|
---|
692 | }
|
---|
693 | #endif //Q_OS_SYMBIAN
|
---|
694 |
|
---|
695 | QT_END_NAMESPACE
|
---|