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qsgcompressedtexture.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2017 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40-
41#include "qsgcompressedtexture_p.h"-
42#include <QOpenGLContext>-
43#include <QOpenGLTexture>-
44#include <QOpenGLFunctions>-
45#include <QDebug>-
46#include <QtQuick/private/qquickwindow_p.h>-
47-
48QT_BEGIN_NAMESPACE-
49-
50Q_LOGGING_CATEGORY(QSG_LOG_TEXTUREIO, "qt.scenegraph.textureio");
never executed: return category;
0
51-
52bool QSGCompressedTextureData::isValid() const-
53{-
54 if (data.isNull() || size.isEmpty() || !format)
data.isNull()Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
size.isEmpty()Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
!formatDescription
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
0-110
55 return false;
never executed: return false;
0
56 if (dataLength < 0 || dataOffset < 0 || dataOffset >= data.length())
dataLength < 0Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
dataOffset < 0Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
dataOffset >= data.length()Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
0-110
57 return false;
never executed: return false;
0
58 if (dataLength > 0 && qint64(dataOffset) + qint64(dataLength) > qint64(data.length()))
dataLength > 0Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
FALSEnever evaluated
qint64(dataOff...data.length())Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • tst_qquickimage
0-110
59 return false;
never executed: return false;
0
60-
61 return true;
executed 110 times by 1 test: return true;
Executed by:
  • tst_qquickimage
110
62}-
63-
64int QSGCompressedTextureData::sizeInBytes() const-
65{-
66 if (!isValid())
!isValid()Description
TRUEnever evaluated
FALSEevaluated 30 times by 1 test
Evaluated by:
  • tst_qquickimage
0-30
67 return 0;
never executed: return 0;
0
68 return dataLength > 0 ? dataLength : data.length() - dataOffset;
executed 30 times by 1 test: return dataLength > 0 ? dataLength : data.length() - dataOffset;
Executed by:
  • tst_qquickimage
30
69}-
70-
71Q_QUICK_PRIVATE_EXPORT QDebug operator<<(QDebug dbg, const QSGCompressedTextureData *d)-
72{-
73 QDebugStateSaver saver(dbg);-
74-
75 dbg.nospace() << "QSGCompressedTextureData(";-
76 if (d) {
dDescription
TRUEnever evaluated
FALSEnever evaluated
0
77 dbg << d->logName << ' ';-
78 dbg << static_cast<QOpenGLTexture::TextureFormat>(d->format)-
79 << "[0x" << hex << d->format << dec << "]";-
80 dbg.space() << (d->hasAlpha ? "with" : "no") << "alpha" << d->size-
81 << "databuffer" << d->data.size() << "offset" << d->dataOffset << "length";-
82 dbg.nospace() << d->dataLength << ")";-
83 } else {
never executed: end of block
0
84 dbg << "null)";-
85 }
never executed: end of block
0
86 return dbg;
never executed: return dbg;
0
87}-
88-
89QSGCompressedTexture::QSGCompressedTexture(const DataPtr& texData)-
90 : m_textureData(texData)-
91{-
92 if (m_textureData) {
m_textureDataDescription
TRUEnever evaluated
FALSEnever evaluated
0
93 m_size = m_textureData->size;-
94 m_hasAlpha = m_textureData->hasAlpha;-
95 }
never executed: end of block
0
96}
never executed: end of block
0
97-
98QSGCompressedTexture::~QSGCompressedTexture()-
99{-
100#if QT_CONFIG(opengl)-
101 if (m_textureId) {
m_textureIdDescription
TRUEnever evaluated
FALSEnever evaluated
0
102 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
103 QOpenGLFunctions *funcs = ctx ? ctx->functions() : nullptr;
ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
104 if (!funcs)
!funcsDescription
TRUEnever evaluated
FALSEnever evaluated
0
105 return;
never executed: return;
0
106-
107 funcs->glDeleteTextures(1, &m_textureId);-
108 }
never executed: end of block
0
109#endif-
110}
never executed: end of block
0
111-
112int QSGCompressedTexture::textureId() const-
113{-
114#if QT_CONFIG(opengl)-
115 if (!m_textureId) {
!m_textureIdDescription
TRUEnever evaluated
FALSEnever evaluated
0
116 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
117 QOpenGLFunctions *funcs = ctx ? ctx->functions() : nullptr;
ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
118 if (!funcs)
!funcsDescription
TRUEnever evaluated
FALSEnever evaluated
0
119 return 0;
never executed: return 0;
0
120-
121 funcs->glGenTextures(1, &m_textureId);-
122 }
never executed: end of block
0
123#endif-
124 return m_textureId;
never executed: return m_textureId;
0
125}-
126-
127QSize QSGCompressedTexture::textureSize() const-
128{-
129 return m_size;
never executed: return m_size;
0
130}-
131-
132bool QSGCompressedTexture::hasAlphaChannel() const-
133{-
134 return m_hasAlpha;
never executed: return m_hasAlpha;
0
135}-
136-
137bool QSGCompressedTexture::hasMipmaps() const-
138{-
139 return false;
never executed: return false;
0
140}-
141-
142void QSGCompressedTexture::bind()-
143{-
144#if QT_CONFIG(opengl)-
145 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
146 QOpenGLFunctions *funcs = ctx ? ctx->functions() : nullptr;
ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
147 if (!funcs)
!funcsDescription
TRUEnever evaluated
FALSEnever evaluated
0
148 return;
never executed: return;
0
149-
150 if (!textureId())
!textureId()Description
TRUEnever evaluated
FALSEnever evaluated
0
151 return;
never executed: return;
0
152-
153 funcs->glBindTexture(GL_TEXTURE_2D, m_textureId);-
154-
155 if (m_uploaded)
m_uploadedDescription
TRUEnever evaluated
FALSEnever evaluated
0
156 return;
never executed: return;
0
157-
158 QByteArray logName(m_textureData ? m_textureData->logName : QByteArrayLiteral("(unset)"));
never executed: return ba;
0
159-
160 if (!m_textureData || !m_textureData->isValid()) {
!m_textureDataDescription
TRUEnever evaluated
FALSEnever evaluated
!m_textureData->isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
161 qCDebug(QSG_LOG_TEXTUREIO, "Invalid texture data for %s", logName.constData());
never executed: QMessageLogger(__FILE__, 161, __PRETTY_FUNCTION__, QSG_LOG_TEXTUREIO().categoryName()).debug("Invalid texture data for %s", logName.constData());
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
162 funcs->glBindTexture(GL_TEXTURE_2D, 0);-
163 return;
never executed: return;
0
164 }-
165-
166 if (Q_UNLIKELY(QSG_LOG_TEXTUREIO().isDebugEnabled())) {
__builtin_expe...led()), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
167 qCDebug(QSG_LOG_TEXTUREIO) << "Uploading texture" << m_textureData.data();
never executed: QMessageLogger(__FILE__, 167, __PRETTY_FUNCTION__, QSG_LOG_TEXTUREIO().categoryName()).debug() << "Uploading texture" << m_textureData.data();
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
168 while (funcs->glGetError() != GL_NO_ERROR);
never executed: ;
funcs->glGetError() != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
169 }
never executed: end of block
0
170-
171 funcs->glCompressedTexImage2D(GL_TEXTURE_2D, 0, m_textureData->format,-
172 m_size.width(), m_size.height(), 0, m_textureData->sizeInBytes(),-
173 m_textureData->data.constData() + m_textureData->dataOffset);-
174-
175 if (Q_UNLIKELY(QSG_LOG_TEXTUREIO().isDebugEnabled())) {
__builtin_expe...led()), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
176 GLuint error = funcs->glGetError();-
177 if (error != GL_NO_ERROR) {
error != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
178 qCDebug(QSG_LOG_TEXTUREIO, "glCompressedTexImage2D failed for %s, error 0x%x", logName.constData(), error);
never executed: QMessageLogger(__FILE__, 178, __PRETTY_FUNCTION__, QSG_LOG_TEXTUREIO().categoryName()).debug("glCompressedTexImage2D failed for %s, error 0x%x", logName.constData(), error);
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
179 }
never executed: end of block
0
180 }
never executed: end of block
0
181-
182 m_textureData.clear(); // Release this memory, not needed anymore-
183-
184 updateBindOptions(true);-
185 m_uploaded = true;-
186#endif // QT_CONFIG(opengl)-
187}
never executed: end of block
0
188-
189bool QSGCompressedTexture::formatIsOpaque(quint32 glTextureFormat)-
190{-
191 switch (glTextureFormat) {-
192 case QOpenGLTexture::RGB_DXT1:
never executed: case QOpenGLTexture::RGB_DXT1:
0
193 case QOpenGLTexture::R_ATI1N_UNorm:
never executed: case QOpenGLTexture::R_ATI1N_UNorm:
0
194 case QOpenGLTexture::R_ATI1N_SNorm:
never executed: case QOpenGLTexture::R_ATI1N_SNorm:
0
195 case QOpenGLTexture::RG_ATI2N_UNorm:
never executed: case QOpenGLTexture::RG_ATI2N_UNorm:
0
196 case QOpenGLTexture::RG_ATI2N_SNorm:
never executed: case QOpenGLTexture::RG_ATI2N_SNorm:
0
197 case QOpenGLTexture::RGB_BP_UNSIGNED_FLOAT:
never executed: case QOpenGLTexture::RGB_BP_UNSIGNED_FLOAT:
0
198 case QOpenGLTexture::RGB_BP_SIGNED_FLOAT:
never executed: case QOpenGLTexture::RGB_BP_SIGNED_FLOAT:
0
199 case QOpenGLTexture::R11_EAC_UNorm:
never executed: case QOpenGLTexture::R11_EAC_UNorm:
0
200 case QOpenGLTexture::R11_EAC_SNorm:
never executed: case QOpenGLTexture::R11_EAC_SNorm:
0
201 case QOpenGLTexture::RG11_EAC_UNorm:
never executed: case QOpenGLTexture::RG11_EAC_UNorm:
0
202 case QOpenGLTexture::RG11_EAC_SNorm:
never executed: case QOpenGLTexture::RG11_EAC_SNorm:
0
203 case QOpenGLTexture::RGB8_ETC2:
executed 4 times by 1 test: case QOpenGLTexture::RGB8_ETC2:
Executed by:
  • tst_qquickimage
4
204 case QOpenGLTexture::SRGB8_ETC2:
never executed: case QOpenGLTexture::SRGB8_ETC2:
0
205 case QOpenGLTexture::RGB8_ETC1:
executed 4 times by 1 test: case QOpenGLTexture::RGB8_ETC1:
Executed by:
  • tst_qquickimage
4
206 case QOpenGLTexture::SRGB_DXT1:
never executed: case QOpenGLTexture::SRGB_DXT1:
0
207 return true;
executed 8 times by 1 test: return true;
Executed by:
  • tst_qquickimage
8
208 break;
dead code: break;
-
209 default:
executed 2 times by 1 test: default:
Executed by:
  • tst_qquickimage
2
210 return false;
executed 2 times by 1 test: return false;
Executed by:
  • tst_qquickimage
2
211 }-
212}-
213-
214QSGCompressedTextureFactory::QSGCompressedTextureFactory(const QSGCompressedTexture::DataPtr &texData)-
215 : m_textureData(texData)-
216{-
217}
executed 10 times by 1 test: end of block
Executed by:
  • tst_qquickimage
10
218-
219QSGTexture *QSGCompressedTextureFactory::createTexture(QQuickWindow *window) const-
220{-
221 if (!m_textureData || !m_textureData->isValid())
!m_textureDataDescription
TRUEnever evaluated
FALSEnever evaluated
!m_textureData->isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
222 return nullptr;
never executed: return nullptr;
0
223-
224 // attempt to atlas the texture-
225 QSGRenderContext *context = QQuickWindowPrivate::get(window)->context;-
226 QSGTexture *t = context->compressedTextureForFactory(this);-
227 if (t)
tDescription
TRUEnever evaluated
FALSEnever evaluated
0
228 return t;
never executed: return t;
0
229-
230 return new QSGCompressedTexture(m_textureData);
never executed: return new QSGCompressedTexture(m_textureData);
0
231}-
232-
233int QSGCompressedTextureFactory::textureByteCount() const-
234{-
235 return m_textureData ? m_textureData->sizeInBytes() : 0;
executed 30 times by 1 test: return m_textureData ? m_textureData->sizeInBytes() : 0;
Executed by:
  • tst_qquickimage
30
236}-
237-
238-
239QSize QSGCompressedTextureFactory::textureSize() const-
240{-
241 if (m_textureData && m_textureData->isValid())
m_textureDataDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • tst_qquickimage
FALSEnever evaluated
m_textureData->isValid()Description
TRUEevaluated 70 times by 1 test
Evaluated by:
  • tst_qquickimage
FALSEnever evaluated
0-70
242 return m_textureData->size;
executed 70 times by 1 test: return m_textureData->size;
Executed by:
  • tst_qquickimage
70
243 return QSize();
never executed: return QSize();
0
244}-
245-
246QT_END_NAMESPACE-
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