diff options
-rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 52 | ||||
-rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h | 2 |
2 files changed, 49 insertions, 5 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index 4a64f39..668a3f0 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -163,6 +163,8 @@ void QGL2PaintEngineExPrivate::setBrush(const QBrush& brush) Q_ASSERT(newStyle != Qt::NoBrush); currentBrush = brush; + if (!currentBrushPixmap.isNull()) + currentBrushPixmap = QPixmap(); brushUniformsDirty = true; // All brushes have at least one uniform if (newStyle > Qt::SolidPattern) @@ -221,10 +223,14 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, q->state()->renderHints & QPainter::SmoothPixmapTransform); } else if (style == Qt::TexturePattern) { - const QPixmap& texPixmap = currentBrush.texture(); + currentBrushPixmap = currentBrush.texture(); + + int max_texture_size = ctx->d_func()->maxTextureSize(); + if (currentBrushPixmap.width() > max_texture_size || currentBrushPixmap.height() > max_texture_size) + currentBrushPixmap = currentBrushPixmap.scaled(max_texture_size, max_texture_size, Qt::KeepAspectRatio); glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); - QGLTexture *tex = ctx->d_func()->bindTexture(texPixmap, GL_TEXTURE_2D, GL_RGBA, + QGLTexture *tex = ctx->d_func()->bindTexture(currentBrushPixmap, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption | QGLContext::CanFlipNativePixmapBindOption); updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, q->state()->renderHints & QPainter::SmoothPixmapTransform); @@ -1305,13 +1311,30 @@ void QGL2PaintEngineEx::transformChanged() } +static const QRectF scaleRect(const QRectF &r, qreal sx, qreal sy) +{ + return QRectF(r.x() * sx, r.y() * sy, r.width() * sx, r.height() * sy); +} + void QGL2PaintEngineEx::drawPixmap(const QRectF& dest, const QPixmap & pixmap, const QRectF & src) { Q_D(QGL2PaintEngineEx); + QGLContext *ctx = d->ctx; + + int max_texture_size = ctx->d_func()->maxTextureSize(); + if (pixmap.width() > max_texture_size || pixmap.height() > max_texture_size) { + QPixmap scaled = pixmap.scaled(max_texture_size, max_texture_size, Qt::KeepAspectRatio); + + const qreal sx = scaled.width() / qreal(pixmap.width()); + const qreal sy = scaled.height() / qreal(pixmap.height()); + + drawPixmap(dest, scaled, scaleRect(src, sx, sy)); + return; + } + ensureActive(); d->transferMode(ImageDrawingMode); - QGLContext *ctx = d->ctx; glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); QGLTexture *texture = ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, @@ -1334,11 +1357,24 @@ void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const Qt::ImageConversionFlags) { Q_D(QGL2PaintEngineEx); + QGLContext *ctx = d->ctx; + + int max_texture_size = ctx->d_func()->maxTextureSize(); + if (image.width() > max_texture_size || image.height() > max_texture_size) { + QImage scaled = image.scaled(max_texture_size, max_texture_size, Qt::KeepAspectRatio); + + const qreal sx = scaled.width() / qreal(image.width()); + const qreal sy = scaled.height() / qreal(image.height()); + + drawImage(dest, scaled, scaleRect(src, sx, sy)); + return; + } + ensureActive(); d->transferMode(ImageDrawingMode); - QGLContext *ctx = d->ctx; glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); + QGLTexture *texture = ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption); GLuint id = texture->id; @@ -1737,7 +1773,13 @@ void QGL2PaintEngineEx::drawPixmapFragments(const QPainter::PixmapFragment *frag } ensureActive(); - d->drawPixmapFragments(fragments, fragmentCount, pixmap, hints); + int max_texture_size = d->ctx->d_func()->maxTextureSize(); + if (pixmap.width() > max_texture_size || pixmap.height() > max_texture_size) { + QPixmap scaled = pixmap.scaled(max_texture_size, max_texture_size, Qt::KeepAspectRatio); + d->drawPixmapFragments(fragments, fragmentCount, scaled, hints); + } else { + d->drawPixmapFragments(fragments, fragmentCount, pixmap, hints); + } } diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h index b255e75..02b737b 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h @@ -274,6 +274,8 @@ public: QBrush currentBrush; // May not be the state's brush! const QBrush noBrush; + QPixmap currentBrushPixmap; + QGL2PEXVertexArray vertexCoordinateArray; QGL2PEXVertexArray textureCoordinateArray; QVector<GLushort> elementIndices; |