gl2paintengineex/qtextureglyphcache_gl.cpp

Switch to Source codePreprocessed file
LineSource CodeCoverage
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2 -
3 -
4 -
5QBasicAtomicInt qgltextureglyphcache_serial_number = { (1) }; -
6 -
7QGLTextureGlyphCache::QGLTextureGlyphCache(QFontEngineGlyphCache::Type type, const QTransform &matrix) -
8 : QImageTextureGlyphCache(type, matrix) -
9 , m_textureResource(0) -
10 , pex(0) -
11 , m_blitProgram(0) -
12 , m_filterMode(Nearest) -
13 , m_serialNumber(qgltextureglyphcache_serial_number.fetchAndAddRelaxed(1)) -
14{ -
15 -
16 -
17 -
18 m_vertexCoordinateArray[0] = -1.0f; -
19 m_vertexCoordinateArray[1] = -1.0f; -
20 m_vertexCoordinateArray[2] = 1.0f; -
21 m_vertexCoordinateArray[3] = -1.0f; -
22 m_vertexCoordinateArray[4] = 1.0f; -
23 m_vertexCoordinateArray[5] = 1.0f; -
24 m_vertexCoordinateArray[6] = -1.0f; -
25 m_vertexCoordinateArray[7] = 1.0f; -
26 -
27 m_textureCoordinateArray[0] = 0.0f; -
28 m_textureCoordinateArray[1] = 0.0f; -
29 m_textureCoordinateArray[2] = 1.0f; -
30 m_textureCoordinateArray[3] = 0.0f; -
31 m_textureCoordinateArray[4] = 1.0f; -
32 m_textureCoordinateArray[5] = 1.0f; -
33 m_textureCoordinateArray[6] = 0.0f; -
34 m_textureCoordinateArray[7] = 1.0f; -
35}
never executed: }
0
36 -
37QGLTextureGlyphCache::~QGLTextureGlyphCache() -
38{ -
39 -
40 -
41 -
42 delete m_blitProgram; -
43}
never executed: }
0
44 -
45void QGLTextureGlyphCache::createTextureData(int width, int height) -
46{ -
47 QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); -
48 if (ctx == 0) {
never evaluated: ctx == 0
0
49 QMessageLogger("gl2paintengineex/qtextureglyphcache_gl.cpp", 93, __PRETTY_FUNCTION__).warning("QGLTextureGlyphCache::createTextureData: Called with no context"); -
50 return;
never executed: return;
0
51 } -
52 -
53 -
54 -
55 -
56 if ((!QGLFramebufferObject::hasOpenGLFramebufferObjects() || ctx->d_ptr->workaround_brokenFBOReadBack) && image().isNull())
never evaluated: !QGLFramebufferObject::hasOpenGLFramebufferObjects()
never evaluated: ctx->d_ptr->workaround_brokenFBOReadBack
never evaluated: image().isNull()
0
57 QImageTextureGlyphCache::createTextureData(width, height);
never executed: QImageTextureGlyphCache::createTextureData(width, height);
0
58 -
59 -
60 if (width < 16)
never evaluated: width < 16
0
61 width = 16;
never executed: width = 16;
0
62 if (height < 16)
never evaluated: height < 16
0
63 height = 16;
never executed: height = 16;
0
64 -
65 if (m_textureResource && !m_textureResource->m_texture) {
never evaluated: m_textureResource
never evaluated: !m_textureResource->m_texture
0
66 delete m_textureResource; -
67 m_textureResource = 0; -
68 }
never executed: }
0
69 -
70 if (!m_textureResource)
never evaluated: !m_textureResource
0
71 m_textureResource = new QGLGlyphTexture(ctx);
never executed: m_textureResource = new QGLGlyphTexture(ctx);
0
72 -
73 glGenTextures(1, &m_textureResource->m_texture); -
74 glBindTexture(0x0DE1, m_textureResource->m_texture); -
75 -
76 m_textureResource->m_width = width; -
77 m_textureResource->m_height = height; -
78 -
79 if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {
never evaluated: m_type == QFontEngineGlyphCache::Raster_RGBMask
0
80 QVarLengthArray<uchar> data(width * height * 4); -
81 for (int i = 0; i < data.size(); ++i)
never evaluated: i < data.size()
0
82 data[i] = 0;
never executed: data[i] = 0;
0
83 glTexImage2D(0x0DE1, 0, 0x1908, width, height, 0, 0x1908, 0x1401, &data[0]); -
84 } else {
never executed: }
0
85 QVarLengthArray<uchar> data(width * height); -
86 for (int i = 0; i < data.size(); ++i)
never evaluated: i < data.size()
0
87 data[i] = 0;
never executed: data[i] = 0;
0
88 glTexImage2D(0x0DE1, 0, 0x1906, width, height, 0, 0x1906, 0x1401, &data[0]); -
89 }
never executed: }
0
90 -
91 glTexParameteri(0x0DE1, 0x2800, 0x2600); -
92 glTexParameteri(0x0DE1, 0x2801, 0x2600); -
93 glTexParameteri(0x0DE1, 0x2802, 0x812F); -
94 glTexParameteri(0x0DE1, 0x2803, 0x812F); -
95 m_filterMode = Nearest; -
96}
never executed: }
0
97 -
98void QGLTextureGlyphCache::resizeTextureData(int width, int height) -
99{ -
100 QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); -
101 if (ctx == 0) {
never evaluated: ctx == 0
0
102 QMessageLogger("gl2paintengineex/qtextureglyphcache_gl.cpp", 146, __PRETTY_FUNCTION__).warning("QGLTextureGlyphCache::resizeTextureData: Called with no context"); -
103 return;
never executed: return;
0
104 } -
105 -
106 int oldWidth = m_textureResource->m_width; -
107 int oldHeight = m_textureResource->m_height; -
108 -
109 -
110 if (width < 16)
never evaluated: width < 16
0
111 width = 16;
never executed: width = 16;
0
112 if (height < 16)
never evaluated: height < 16
0
113 height = 16;
never executed: height = 16;
0
114 -
115 GLuint oldTexture = m_textureResource->m_texture; -
116 createTextureData(width, height); -
117 -
118 if (!QGLFramebufferObject::hasOpenGLFramebufferObjects() || ctx->d_ptr->workaround_brokenFBOReadBack) {
never evaluated: !QGLFramebufferObject::hasOpenGLFramebufferObjects()
never evaluated: ctx->d_ptr->workaround_brokenFBOReadBack
0
119 QImageTextureGlyphCache::resizeTextureData(width, height); -
120 qt_noop(); -
121 glTexSubImage2D(0x0DE1, 0, 0, 0, width, oldHeight, 0x1906, 0x1401, image().constBits()); -
122 glDeleteTextures(1, &oldTexture); -
123 return;
never executed: return;
0
124 } -
125 -
126 -
127 -
128 -
129 QGLContextPrivate::extensionFuncs(ctx).qt_glBindFramebuffer(0x8D40, m_textureResource->m_fbo); -
130 -
131 GLuint tmp_texture; -
132 glGenTextures(1, &tmp_texture); -
133 glBindTexture(0x0DE1, tmp_texture); -
134 glTexImage2D(0x0DE1, 0, 0x1908, oldWidth, oldHeight, 0, -
135 0x1908, 0x1401, __null); -
136 glTexParameteri(0x0DE1, 0x2801, 0x2600); -
137 glTexParameteri(0x0DE1, 0x2800, 0x2600); -
138 glTexParameteri(0x0DE1, 0x2802, 0x812F); -
139 glTexParameteri(0x0DE1, 0x2803, 0x812F); -
140 m_filterMode = Nearest; -
141 glBindTexture(0x0DE1, 0); -
142 QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferTexture2D(0x8D40, 0x8CE0, -
143 0x0DE1, tmp_texture, 0); -
144 -
145 QGLContextPrivate::extensionFuncs(ctx).qt_glActiveTexture(0x84C0 + GLuint(0)); -
146 glBindTexture(0x0DE1, oldTexture); -
147 -
148 if (pex != 0)
never evaluated: pex != 0
0
149 pex->transferMode(BrushDrawingMode);
never executed: pex->transferMode(BrushDrawingMode);
0
150 -
151 glDisable(0x0B90); -
152 glDisable(0x0B71); -
153 glDisable(0x0C11); -
154 glDisable(0x0BE2); -
155 -
156 glViewport(0, 0, oldWidth, oldHeight); -
157 -
158 QGLShaderProgram *blitProgram = 0; -
159 if (pex == 0) {
never evaluated: pex == 0
0
160 if (m_blitProgram == 0) {
never evaluated: m_blitProgram == 0
0
161 m_blitProgram = new QGLShaderProgram(ctx); -
162 -
163 { -
164 QString source; -
165 source.append(QLatin1String(qglslMainWithTexCoordsVertexShader)); -
166 source.append(QLatin1String(qglslUntransformedPositionVertexShader)); -
167 -
168 QGLShader *vertexShader = new QGLShader(QGLShader::Vertex, m_blitProgram); -
169 vertexShader->compileSourceCode(source); -
170 -
171 m_blitProgram->addShader(vertexShader); -
172 } -
173 -
174 { -
175 QString source; -
176 source.append(QLatin1String(qglslMainFragmentShader)); -
177 source.append(QLatin1String(qglslImageSrcFragmentShader)); -
178 -
179 QGLShader *fragmentShader = new QGLShader(QGLShader::Fragment, m_blitProgram); -
180 fragmentShader->compileSourceCode(source); -
181 -
182 m_blitProgram->addShader(fragmentShader); -
183 } -
184 -
185 m_blitProgram->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR); -
186 m_blitProgram->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR); -
187 -
188 m_blitProgram->link(); -
189 }
never executed: }
0
190 -
191 QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, 0x1406, 0x0, 0, m_vertexCoordinateArray); -
192 QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, 0x1406, 0x0, 0, m_textureCoordinateArray); -
193 -
194 m_blitProgram->bind(); -
195 m_blitProgram->enableAttributeArray(int(QT_VERTEX_COORDS_ATTR)); -
196 m_blitProgram->enableAttributeArray(int(QT_TEXTURE_COORDS_ATTR)); -
197 m_blitProgram->disableAttributeArray(int(QT_OPACITY_ATTR)); -
198 -
199 blitProgram = m_blitProgram; -
200 -
201 } else {
never executed: }
0
202 pex->setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, m_vertexCoordinateArray); -
203 pex->setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, m_textureCoordinateArray); -
204 -
205 pex->shaderManager->useBlitProgram(); -
206 blitProgram = pex->shaderManager->blitProgram(); -
207 }
never executed: }
0
208 -
209 blitProgram->setUniformValue("imageTexture", GLuint(0)); -
210 -
211 glDrawArrays(0x0006, 0, 4); -
212 -
213 glBindTexture(0x0DE1, m_textureResource->m_texture); -
214 -
215 glCopyTexSubImage2D(0x0DE1, 0, 0, 0, 0, 0, oldWidth, oldHeight); -
216 -
217 QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferRenderbuffer(0x8D40, 0x8CE0, -
218 0x8D41, 0); -
219 glDeleteTextures(1, &tmp_texture); -
220 glDeleteTextures(1, &oldTexture); -
221 -
222 QGLContextPrivate::extensionFuncs(ctx).qt_glBindFramebuffer(0x8D40, ctx->d_ptr->current_fbo); -
223 -
224 if (pex != 0) {
never evaluated: pex != 0
0
225 glViewport(0, 0, pex->width, pex->height); -
226 pex->updateClipScissorTest(); -
227 }
never executed: }
0
228}
never executed: }
0
229 -
230void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph, QFixed subPixelPosition) -
231{ -
232 QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); -
233 if (ctx == 0) {
never evaluated: ctx == 0
0
234 QMessageLogger("gl2paintengineex/qtextureglyphcache_gl.cpp", 278, __PRETTY_FUNCTION__).warning("QGLTextureGlyphCache::fillTexture: Called with no context"); -
235 return;
never executed: return;
0
236 } -
237 -
238 if (!QGLFramebufferObject::hasOpenGLFramebufferObjects() || ctx->d_ptr->workaround_brokenFBOReadBack) {
never evaluated: !QGLFramebufferObject::hasOpenGLFramebufferObjects()
never evaluated: ctx->d_ptr->workaround_brokenFBOReadBack
0
239 QImageTextureGlyphCache::fillTexture(c, glyph, subPixelPosition); -
240 -
241 glBindTexture(0x0DE1, m_textureResource->m_texture); -
242 const QImage &texture = image(); -
243 const uchar *bits = texture.constBits(); -
244 bits += c.y * texture.bytesPerLine() + c.x; -
245 for (int i=0; i<c.h; ++i) {
never evaluated: i<c.h
0
246 glTexSubImage2D(0x0DE1, 0, c.x, c.y + i, c.w, 1, 0x1906, 0x1401, bits); -
247 bits += texture.bytesPerLine(); -
248 }
never executed: }
0
249 return;
never executed: return;
0
250 } -
251 -
252 QImage mask = textureMapForGlyph(glyph, subPixelPosition); -
253 const int maskWidth = mask.width(); -
254 const int maskHeight = mask.height(); -
255 -
256 if (mask.format() == QImage::Format_Mono) {
never evaluated: mask.format() == QImage::Format_Mono
0
257 mask = mask.convertToFormat(QImage::Format_Indexed8); -
258 for (int y = 0; y < maskHeight; ++y) {
never evaluated: y < maskHeight
0
259 uchar *src = (uchar *) mask.scanLine(y); -
260 for (int x = 0; x < maskWidth; ++x)
never evaluated: x < maskWidth
0
261 src[x] = -src[x];
never executed: src[x] = -src[x];
0
262 }
never executed: }
0
263 } else if (mask.format() == QImage::Format_RGB32) {
never executed: }
never evaluated: mask.format() == QImage::Format_RGB32
0
264 -
265 -
266 for (int y = 0; y < maskHeight; ++y) {
never evaluated: y < maskHeight
0
267 quint32 *src = (quint32 *) mask.scanLine(y); -
268 for (int x = 0; x < maskWidth; ++x) {
never evaluated: x < maskWidth
0
269 uchar r = src[x] >> 16; -
270 uchar g = src[x] >> 8; -
271 uchar b = src[x]; -
272 quint32 avg = (quint32(r) + quint32(g) + quint32(b) + 1) / 3; -
273 src[x] = (src[x] & 0x00ffffff) | (avg << 24); -
274 }
never executed: }
0
275 }
never executed: }
0
276 }
never executed: }
0
277 -
278 glBindTexture(0x0DE1, m_textureResource->m_texture); -
279 if (mask.format() == QImage::Format_RGB32) {
never evaluated: mask.format() == QImage::Format_RGB32
0
280 -
281 -
282 -
283 -
284 glTexSubImage2D(0x0DE1, 0, c.x, c.y, maskWidth, maskHeight, 0x80E1, 0x1401, mask.bits()); -
285 -
286 } else {
never executed: }
0
287 if (!ctx->d_ptr->workaround_brokenAlphaTexSubImage_init) {
never evaluated: !ctx->d_ptr->workaround_brokenAlphaTexSubImage_init
0
288 -
289 const QByteArray vendorString(reinterpret_cast<const char*>(glGetString(0x1F00))); -
290 ctx->d_ptr->workaround_brokenAlphaTexSubImage = vendorString.indexOf("NVIDIA") >= 0; -
291 ctx->d_ptr->workaround_brokenAlphaTexSubImage_init = true; -
292 }
never executed: }
0
293 -
294 if (ctx->d_ptr->workaround_brokenAlphaTexSubImage) {
never evaluated: ctx->d_ptr->workaround_brokenAlphaTexSubImage
0
295 for (int i = 0; i < maskHeight; ++i)
never evaluated: i < maskHeight
0
296 glTexSubImage2D(0x0DE1, 0, c.x, c.y + i, maskWidth, 1, 0x1906, 0x1401, mask.scanLine(i));
never executed: glTexSubImage2D(0x0DE1, 0, c.x, c.y + i, maskWidth, 1, 0x1906, 0x1401, mask.scanLine(i));
0
297 } else {
never executed: }
0
298 glTexSubImage2D(0x0DE1, 0, c.x, c.y, maskWidth, maskHeight, 0x1906, 0x1401, mask.bits()); -
299 }
never executed: }
0
300 } -
301} -
302 -
303int QGLTextureGlyphCache::glyphPadding() const -
304{ -
305 return 1;
never executed: return 1;
0
306} -
307 -
308int QGLTextureGlyphCache::maxTextureWidth() const -
309{ -
310 QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); -
311 if (ctx == 0)
never evaluated: ctx == 0
0
312 return QImageTextureGlyphCache::maxTextureWidth();
never executed: return QImageTextureGlyphCache::maxTextureWidth();
0
313 else -
314 return ctx->d_ptr->maxTextureSize();
never executed: return ctx->d_ptr->maxTextureSize();
0
315} -
316 -
317int QGLTextureGlyphCache::maxTextureHeight() const -
318{ -
319 QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); -
320 if (ctx == 0)
never evaluated: ctx == 0
0
321 return QImageTextureGlyphCache::maxTextureHeight();
never executed: return QImageTextureGlyphCache::maxTextureHeight();
0
322 -
323 if (ctx->d_ptr->workaround_brokenTexSubImage)
never evaluated: ctx->d_ptr->workaround_brokenTexSubImage
0
324 return qMin(1024, ctx->d_ptr->maxTextureSize());
never executed: return qMin(1024, ctx->d_ptr->maxTextureSize());
0
325 else -
326 return ctx->d_ptr->maxTextureSize();
never executed: return ctx->d_ptr->maxTextureSize();
0
327} -
328 -
329void QGLTextureGlyphCache::clear() -
330{ -
331 m_textureResource->free(); -
332 m_textureResource = 0; -
333 -
334 m_w = 0; -
335 m_h = 0; -
336 m_cx = 0; -
337 m_cy = 0; -
338 m_currentRowHeight = 0; -
339 coords.clear(); -
340}
never executed: }
0
341 -
342 -
343 -
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