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Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp71
1 files changed, 50 insertions, 21 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index ee59830..a81ed8e 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -98,6 +98,10 @@ QT_BEGIN_NAMESPACE
extern Q_GUI_EXPORT bool qt_cleartype_enabled;
#endif
+#ifdef Q_WS_MAC
+extern bool qt_applefontsmoothing_enabled;
+#endif
+
extern QImage qt_imageForBrush(int brushStyle, bool invert);
////////////////////////////////// Private Methods //////////////////////////////////////////
@@ -612,8 +616,6 @@ void QGL2PaintEngineExPrivate::transferMode(EngineMode newMode)
}
if (newMode == TextDrawingMode) {
- setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinateArray.data());
- setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinateArray.data());
shaderManager->setHasComplexGeometry(true);
} else {
shaderManager->setHasComplexGeometry(false);
@@ -1444,7 +1446,7 @@ namespace {
{
public:
QOpenGLStaticTextUserData()
- : QStaticTextUserData(OpenGLUserData)
+ : QStaticTextUserData(OpenGLUserData), cacheSize(0, 0)
{
}
@@ -1452,6 +1454,7 @@ namespace {
{
}
+ QSize cacheSize;
QGL2PEXVertexArray vertexCoordinateArray;
QGL2PEXVertexArray textureCoordinateArray;
};
@@ -1474,9 +1477,22 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
staticTextItem->fontEngine->setGlyphCache(ctx, cache);
}
- cache->setPaintEnginePrivate(this);
- cache->populate(staticTextItem->fontEngine, staticTextItem->numGlyphs, staticTextItem->glyphs,
- staticTextItem->glyphPositions);
+ bool recreateVertexArrays = false;
+ if (staticTextItem->userDataNeedsUpdate)
+ recreateVertexArrays = true;
+ else if (staticTextItem->userData == 0)
+ recreateVertexArrays = true;
+ else if (staticTextItem->userData->type != QStaticTextUserData::OpenGLUserData)
+ recreateVertexArrays = true;
+
+ // We only need to update the cache with new glyphs if we are actually going to recreate the vertex arrays.
+ // If the cache size has changed, we do need to regenerate the vertices, but we don't need to repopulate the
+ // cache so this text is performed before we test if the cache size has changed.
+ if (recreateVertexArrays) {
+ cache->setPaintEnginePrivate(this);
+ cache->populate(staticTextItem->fontEngine, staticTextItem->numGlyphs, staticTextItem->glyphs,
+ staticTextItem->glyphPositions);
+ }
if (cache->width() == 0 || cache->height() == 0)
return;
@@ -1488,14 +1504,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
GLfloat dx = 1.0 / cache->width();
GLfloat dy = 1.0 / cache->height();
- bool recreateVertexArrays = false;
- if (staticTextItem->userDataNeedsUpdate)
- recreateVertexArrays = true;
- else if (staticTextItem->userData == 0)
- recreateVertexArrays = true;
- else if (staticTextItem->userData->type != QStaticTextUserData::OpenGLUserData)
- recreateVertexArrays = true;
-
// Use global arrays by default
QGL2PEXVertexArray *vertexCoordinates = &vertexCoordinateArray;
QGL2PEXVertexArray *textureCoordinates = &textureCoordinateArray;
@@ -1516,6 +1524,12 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
// Use cache if backend optimizations is turned on
vertexCoordinates = &userData->vertexCoordinateArray;
textureCoordinates = &userData->textureCoordinateArray;
+
+ QSize size(cache->width(), cache->height());
+ if (userData->cacheSize != size) {
+ recreateVertexArrays = true;
+ userData->cacheSize = size;
+ }
}
@@ -1630,7 +1644,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
glBindTexture(GL_TEXTURE_2D, cache->texture());
updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, false);
- shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT);
#if defined(QT_OPENGL_DRAWCACHEDGLYPHS_INDEX_ARRAY_VBO)
glDrawElements(GL_TRIANGLE_STRIP, 6 * staticTextItem->numGlyphs, GL_UNSIGNED_SHORT, 0);
#else
@@ -1660,13 +1673,26 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
}
//### TODO: Gamma correction
- glActiveTexture(GL_TEXTURE0 + QT_MASK_TEXTURE_UNIT);
- if (lastMaskTextureUsed != cache->texture()) {
- glBindTexture(GL_TEXTURE_2D, cache->texture());
- lastMaskTextureUsed = cache->texture();
+ QGLTextureGlyphCache::FilterMode filterMode = (s->matrix.type() > QTransform::TxTranslate)?QGLTextureGlyphCache::Linear:QGLTextureGlyphCache::Nearest;
+ if (lastMaskTextureUsed != cache->texture() || cache->filterMode() != filterMode) {
+
+ glActiveTexture(GL_TEXTURE0 + QT_MASK_TEXTURE_UNIT);
+ if (lastMaskTextureUsed != cache->texture()) {
+ glBindTexture(GL_TEXTURE_2D, cache->texture());
+ lastMaskTextureUsed = cache->texture();
+ }
+
+ if (cache->filterMode() != filterMode) {
+ if (filterMode == QGLTextureGlyphCache::Linear) {
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ } else {
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ }
+ cache->setFilterMode(filterMode);
+ }
}
- updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, s->matrix.type() > QTransform::TxTranslate);
- shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT);
#if defined(QT_OPENGL_DRAWCACHEDGLYPHS_INDEX_ARRAY_VBO)
glDrawElements(GL_TRIANGLE_STRIP, 6 * staticTextItem->numGlyphs, GL_UNSIGNED_SHORT, 0);
@@ -1846,6 +1872,9 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
#if defined(Q_WS_WIN)
if (qt_cleartype_enabled)
#endif
+#if defined(Q_WS_MAC)
+ if (qt_applefontsmoothing_enabled)
+#endif
d->glyphCacheType = QFontEngineGlyphCache::Raster_RGBMask;
#endif