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39
40 #include "qsgopenvgtexture.h"
41 #include "qsgopenvghelpers.h"
42
43 QT_BEGIN_NAMESPACE
44
QSGOpenVGTexture(const QImage & image,uint flags)45 QSGOpenVGTexture::QSGOpenVGTexture(const QImage &image, uint flags)
46 {
47 Q_UNUSED(flags)
48
49 VGImageFormat format = QSGOpenVGHelpers::qImageFormatToVGImageFormat(image.format());
50 m_image = vgCreateImage(format, image.width(), image.height(), VG_IMAGE_QUALITY_BETTER);
51
52 // Do Texture Upload
53 vgImageSubData(m_image, image.constBits(), image.bytesPerLine(), format, 0, 0, image.width(), image.height());
54 }
55
~QSGOpenVGTexture()56 QSGOpenVGTexture::~QSGOpenVGTexture()
57 {
58 vgDestroyImage(m_image);
59 }
60
textureId() const61 int QSGOpenVGTexture::textureId() const
62 {
63 return static_cast<int>(m_image);
64 }
65
textureSize() const66 QSize QSGOpenVGTexture::textureSize() const
67 {
68 VGint imageWidth = vgGetParameteri(m_image, VG_IMAGE_WIDTH);
69 VGint imageHeight = vgGetParameteri(m_image, VG_IMAGE_HEIGHT);
70 return QSize(imageWidth, imageHeight);
71 }
72
hasAlphaChannel() const73 bool QSGOpenVGTexture::hasAlphaChannel() const
74 {
75 VGImageFormat format = static_cast<VGImageFormat>(vgGetParameteri(m_image, VG_IMAGE_FORMAT));
76
77 switch (format) {
78 case VG_sRGBA_8888:
79 case VG_sRGBA_8888_PRE:
80 case VG_sRGBA_5551:
81 case VG_sRGBA_4444:
82 case VG_lRGBA_8888:
83 case VG_lRGBA_8888_PRE:
84 case VG_A_8:
85 case VG_A_1:
86 case VG_A_4:
87 case VG_sARGB_8888:
88 case VG_sARGB_8888_PRE:
89 case VG_sARGB_1555:
90 case VG_sARGB_4444:
91 case VG_lARGB_8888:
92 case VG_lARGB_8888_PRE:
93 case VG_sBGRA_8888:
94 case VG_sBGRA_8888_PRE:
95 case VG_sBGRA_5551:
96 case VG_sBGRA_4444:
97 case VG_lBGRA_8888:
98 case VG_lBGRA_8888_PRE:
99 case VG_sABGR_8888:
100 case VG_sABGR_8888_PRE:
101 case VG_sABGR_1555:
102 case VG_sABGR_4444:
103 case VG_lABGR_8888:
104 case VG_lABGR_8888_PRE:
105 return true;
106 break;
107 default:
108 break;
109 }
110 return false;
111 }
112
hasMipmaps() const113 bool QSGOpenVGTexture::hasMipmaps() const
114 {
115 return false;
116 }
117
bind()118 void QSGOpenVGTexture::bind()
119 {
120 // No need to bind
121 }
122
123 QT_END_NAMESPACE
124