From 33628442d1c0e3b9b15ee5c54a586a80e21727c6 Mon Sep 17 00:00:00 2001 From: Gunnar Sletta Date: Wed, 25 Nov 2009 19:05:31 +1000 Subject: Replaced QVector in GL2 vertex array with QDataBuffer to reduce mallocs Reviewed-by: Tom Cooksey --- src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp | 8 ++++---- src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h | 6 +++--- src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 14 ++++++++------ src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h | 8 ++++---- 4 files changed, 19 insertions(+), 17 deletions(-) diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp index e70b75e..67a4128 100644 --- a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp +++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp @@ -48,7 +48,7 @@ QT_BEGIN_NAMESPACE void QGL2PEXVertexArray::clear() { vertexArray.reset(); - vertexArrayStops.clear(); + vertexArrayStops.reset(); boundingRectDirty = true; } @@ -125,7 +125,7 @@ void QGL2PEXVertexArray::addPath(const QVectorPath &path, GLfloat curveInverseSc if (!outline) addClosingLine(lastMoveTo); // qDebug("element[%d] is a MoveToElement", i); - vertexArrayStops.append(vertexArray.size()); + vertexArrayStops.add(vertexArray.size()); if (!outline) { addCentroid(path, i); lastMoveTo = vertexArray.size(); @@ -143,7 +143,7 @@ void QGL2PEXVertexArray::addPath(const QVectorPath &path, GLfloat curveInverseSc points[i+2]); QRectF bounds = b.bounds(); // threshold based on same algorithm as in qtriangulatingstroker.cpp - int threshold = qMin(64, qMax(bounds.width(), bounds.height()) * 3.14f / (curveInverseScale * 8)); + int threshold = qMin(64, qMax(bounds.width(), bounds.height()) * 3.14f / (curveInverseScale * 6)); if (threshold < 3) threshold = 3; qreal one_over_threshold_minus_1 = 1.f / (threshold - 1); for (int t=0; t& stops() {return vertexArrayStops;} + int *stops() const { return vertexArrayStops.data(); } + int stopCount() const { return vertexArrayStops.size(); } QGLRect boundingRect() const; void lineToArray(const GLfloat x, const GLfloat y); private: QDataBuffer vertexArray; - QVector vertexArrayStops; + QDataBuffer vertexArrayStops; GLfloat maxX; GLfloat maxY; GLfloat minX; GLfloat minY; bool boundingRectDirty; - void addClosingLine(int index); void addCentroid(const QVectorPath &path, int subPathIndex); }; diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index 8c5bf0e..e281729 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -908,7 +908,8 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, int count, - const QVector *stops, + int *stops, + int stopCount, const QGLRect &bounds, StencilFillMode mode) { @@ -966,7 +967,7 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, // Dec. for back-facing "holes" glStencilOpSeparate(GL_BACK, GL_KEEP, GL_DECR_WRAP, GL_DECR_WRAP); glStencilMask(~GL_STENCIL_HIGH_BIT); - drawVertexArrays(data, stops, GL_TRIANGLE_FAN); + drawVertexArrays(data, stops, stopCount, GL_TRIANGLE_FAN); if (q->state()->clipTestEnabled) { // Clear high bit of stencil outside of path @@ -978,7 +979,7 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, } else if (mode == OddEvenFillMode) { glStencilMask(GL_STENCIL_HIGH_BIT); glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); // Simply invert the stencil bit - drawVertexArrays(data, stops, GL_TRIANGLE_FAN); + drawVertexArrays(data, stops, stopCount, GL_TRIANGLE_FAN); } else { // TriStripStrokeFillMode Q_ASSERT(count && !stops); // tristrips generated directly, so no vertexArray or stops @@ -1137,7 +1138,7 @@ void QGL2PaintEngineExPrivate::composite(const QGLRect& boundingRect) } // Draws the vertex array as a set of triangle fans. -void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, const QVector *stops, +void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, int *stops, int stopCount, GLenum primitive) { // Now setup the pointer to the vertex array: @@ -1145,7 +1146,8 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, const QVector glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data); int previousStop = 0; - foreach(int stop, *stops) { + for (int i=0; i %d:", previousStop, stop-1); for (int i=previousStop; ifillStencilWithVertexArray(d->stroker.vertices(), d->stroker.vertexCount() / 2, - 0, bounds, QGL2PaintEngineExPrivate::TriStripStrokeFillMode); + 0, 0, bounds, QGL2PaintEngineExPrivate::TriStripStrokeFillMode); glStencilOp(GL_KEEP, GL_REPLACE, GL_REPLACE); diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h index 9720723..b554f6d 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h @@ -195,18 +195,18 @@ public: void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize, bool opaque, bool pattern = false); void drawCachedGlyphs(const QPointF &p, QFontEngineGlyphCache::Type glyphType, const QTextItemInt &ti); - void drawVertexArrays(const float *data, const QVector *stops, GLenum primitive); + void drawVertexArrays(const float *data, int *stops, int stopCount, GLenum primitive); void drawVertexArrays(QGL2PEXVertexArray &vertexArray, GLenum primitive) { - drawVertexArrays((const float *) vertexArray.data(), &vertexArray.stops(), primitive); + drawVertexArrays((const float *) vertexArray.data(), vertexArray.stops(), vertexArray.stopCount(), primitive); } // ^ draws whatever is in the vertex array void composite(const QGLRect& boundingRect); // ^ Composites the bounding rect onto dest buffer - void fillStencilWithVertexArray(const float *data, int count, const QVector *stops, const QGLRect &bounds, StencilFillMode mode); + void fillStencilWithVertexArray(const float *data, int count, int *stops, int stopCount, const QGLRect &bounds, StencilFillMode mode); void fillStencilWithVertexArray(QGL2PEXVertexArray& vertexArray, bool useWindingFill) { - fillStencilWithVertexArray((const float *) vertexArray.data(), 0, &vertexArray.stops(), + fillStencilWithVertexArray((const float *) vertexArray.data(), 0, vertexArray.stops(), vertexArray.stopCount(), vertexArray.boundingRect(), useWindingFill ? WindingFillMode : OddEvenFillMode); } -- cgit v0.12