diff options
Diffstat (limited to 'gui/fpgaviewwidget.cc')
-rw-r--r-- | gui/fpgaviewwidget.cc | 541 |
1 files changed, 180 insertions, 361 deletions
diff --git a/gui/fpgaviewwidget.cc b/gui/fpgaviewwidget.cc index 9343419b..de73e27b 100644 --- a/gui/fpgaviewwidget.cc +++ b/gui/fpgaviewwidget.cc @@ -31,222 +31,15 @@ NEXTPNR_NAMESPACE_BEGIN -void PolyLine::buildPoint(LineShaderData *building, const QVector2D *prev, const QVector2D *cur, - const QVector2D *next) const -{ - // buildPoint emits two vertices per line point, along with normals to move - // them the right directio when rendering and miter to compensate for - // bends. - - if (cur == nullptr) { - // BUG - return; - } - - if (prev == nullptr && next == nullptr) { - // BUG - return; - } - - // TODO(q3k): fast path for vertical/horizontal lines? - - // TODO(q3k): consider moving some of the linear algebra to the GPU, - // they're better at this than poor old CPUs. - - // Build two unit vectors pointing in the direction of the two segments - // defined by (prev, cur) and (cur, next) - QVector2D dprev, dnext; - if (prev == nullptr) { - dnext = *next - *cur; - dprev = dnext; - } else if (next == nullptr) { - dprev = *cur - *prev; - dnext = dprev; - } else { - dprev = *cur - *prev; - dnext = *next - *cur; - } - dprev.normalize(); - dnext.normalize(); - - // Calculate tangent unit vector. - QVector2D tangent(dprev + dnext); - tangent.normalize(); - - // Calculate normal to tangent - this is the line on which the vectors need - // to be pushed to build a thickened line. - const QVector2D tangent_normal = QVector2D(-tangent.y(), tangent.x()); - - // Calculate normal to one of the lines. - const QVector2D dprev_normal = QVector2D(-dprev.y(), dprev.x()); - // https://people.eecs.berkeley.edu/~sequin/CS184/IMGS/Sweep_PolyLine.jpg - // (the ^-1 is performed in the shader) - const float miter = QVector2D::dotProduct(tangent_normal, dprev_normal); - - const float x = cur->x(); - const float y = cur->y(); - const float mx = tangent_normal.x(); - const float my = tangent_normal.y(); - - // Push back 'left' vertex. - building->vertices.push_back(Vertex2DPOD(x, y)); - building->normals.push_back(Vertex2DPOD(mx, my)); - building->miters.push_back(miter); - - // Push back 'right' vertex. - building->vertices.push_back(Vertex2DPOD(x, y)); - building->normals.push_back(Vertex2DPOD(mx, my)); - building->miters.push_back(-miter); -} - -void PolyLine::build(LineShaderData &target) const -{ - if (points_.size() < 2) { - return; - } - const QVector2D *first = &points_.front(); - const QVector2D *last = &points_.back(); - - // Index number of vertices, used to build the index buffer. - unsigned int startIndex = target.vertices.size(); - unsigned int index = startIndex; - - // For every point on the line, call buildPoint with (prev, point, next). - // If we're building a closed line, prev/next wrap around. Otherwise - // they are passed as nullptr and buildPoint interprets that accordinglu. - const QVector2D *prev = nullptr; - - // Loop iterator used to ensure next is valid. - unsigned int i = 0; - for (const QVector2D &point : points_) { - const QVector2D *next = nullptr; - if (++i < points_.size()) { - next = (&point + 1); - } - - // If the line is closed, wrap around. Otherwise, pass nullptr. - if (prev == nullptr && closed_) { - buildPoint(&target, last, &point, next); - } else if (next == nullptr && closed_) { - buildPoint(&target, prev, &point, first); - } else { - buildPoint(&target, prev, &point, next); - } - - // If we have a prev point relative to cur, build a pair of triangles - // to render vertices into lines. - if (prev != nullptr) { - target.indices.push_back(index); - target.indices.push_back(index + 1); - target.indices.push_back(index + 2); - - target.indices.push_back(index + 2); - target.indices.push_back(index + 1); - target.indices.push_back(index + 3); - - index += 2; - } - prev = &point; - } - - // If we're closed, build two more vertices that loop the line around. - if (closed_) { - target.indices.push_back(index); - target.indices.push_back(index + 1); - target.indices.push_back(startIndex); - - target.indices.push_back(startIndex); - target.indices.push_back(index + 1); - target.indices.push_back(startIndex + 1); - } -} - -bool LineShader::compile(void) -{ - program_ = new QOpenGLShaderProgram(parent_); - program_->addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderSource_); - program_->addShaderFromSourceCode(QOpenGLShader::Fragment, fragmentShaderSource_); - if (!program_->link()) { - printf("could not link program: %s\n", program_->log().toStdString().c_str()); - return false; - } - - if (!vao_.create()) - log_abort(); - vao_.bind(); - - if (!buffers_.position.create()) - log_abort(); - if (!buffers_.normal.create()) - log_abort(); - if (!buffers_.miter.create()) - log_abort(); - if (!buffers_.index.create()) - log_abort(); - - attributes_.position = program_->attributeLocation("position"); - attributes_.normal = program_->attributeLocation("normal"); - attributes_.miter = program_->attributeLocation("miter"); - uniforms_.thickness = program_->uniformLocation("thickness"); - uniforms_.projection = program_->uniformLocation("projection"); - uniforms_.color = program_->uniformLocation("color"); - - vao_.release(); - return true; -} - -void LineShader::draw(const LineShaderData &line, const QColor &color, float thickness, const QMatrix4x4 &projection) -{ - auto gl = QOpenGLContext::currentContext()->functions(); - vao_.bind(); - program_->bind(); - - buffers_.position.bind(); - buffers_.position.allocate(&line.vertices[0], sizeof(Vertex2DPOD) * line.vertices.size()); - - buffers_.normal.bind(); - buffers_.normal.allocate(&line.normals[0], sizeof(Vertex2DPOD) * line.normals.size()); - - buffers_.miter.bind(); - buffers_.miter.allocate(&line.miters[0], sizeof(GLfloat) * line.miters.size()); - - buffers_.index.bind(); - buffers_.index.allocate(&line.indices[0], sizeof(GLuint) * line.indices.size()); - - program_->setUniformValue(uniforms_.projection, projection); - program_->setUniformValue(uniforms_.thickness, thickness); - program_->setUniformValue(uniforms_.color, color.redF(), color.greenF(), color.blueF(), color.alphaF()); - - buffers_.position.bind(); - program_->enableAttributeArray("position"); - gl->glVertexAttribPointer(attributes_.position, 2, GL_FLOAT, GL_FALSE, 0, (void *)0); - - buffers_.normal.bind(); - program_->enableAttributeArray("normal"); - gl->glVertexAttribPointer(attributes_.normal, 2, GL_FLOAT, GL_FALSE, 0, (void *)0); - - buffers_.miter.bind(); - program_->enableAttributeArray("miter"); - gl->glVertexAttribPointer(attributes_.miter, 1, GL_FLOAT, GL_FALSE, 0, (void *)0); - - buffers_.index.bind(); - gl->glDrawElements(GL_TRIANGLES, line.indices.size(), GL_UNSIGNED_INT, (void *)0); - - program_->disableAttributeArray("miter"); - program_->disableAttributeArray("normal"); - program_->disableAttributeArray("position"); - - program_->release(); - vao_.release(); -} - -FPGAViewWidget::FPGAViewWidget(QWidget *parent) - : QOpenGLWidget(parent), lineShader_(this), zoom_(500.f), ctx_(nullptr), paintTimer_(this), - rendererData_(new FPGAViewWidget::RendererData), rendererArgs_(new FPGAViewWidget::RendererArgs) +FPGAViewWidget::FPGAViewWidget(QWidget *parent) : + QOpenGLWidget(parent), ctx_(nullptr), paintTimer_(this), + lineShader_(this), zoom_(500.0f), + rendererData_(new FPGAViewWidget::RendererData), + rendererArgs_(new FPGAViewWidget::RendererArgs) { colors_.background = QColor("#000000"); colors_.grid = QColor("#333"); - colors_.frame = QColor("#d0d0d0"); + colors_.frame = QColor("#808080"); colors_.hidden = QColor("#606060"); colors_.inactive = QColor("#303030"); colors_.active = QColor("#f0f0f0"); @@ -289,6 +82,9 @@ FPGAViewWidget::~FPGAViewWidget() {} void FPGAViewWidget::newContext(Context *ctx) { ctx_ = ctx; + onSelectedArchItem(std::vector<DecalXY>()); + for (int i = 0; i < 8; i++) + onHighlightGroupChanged(std::vector<DecalXY>(), i); pokeRenderer(); } @@ -306,69 +102,49 @@ void FPGAViewWidget::initializeGL() 0.0); } -void FPGAViewWidget::drawDecal(LineShaderData &out, const DecalXY &decal) +void FPGAViewWidget::drawGraphicElement(LineShaderData &out, const GraphicElement &el, float x, float y) { const float scale = 1.0; - float offsetX = 0.0, offsetY = 0.0; - for (auto &el : ctx_->getDecalGraphics(decal.decal)) { - offsetX = decal.x; - offsetY = decal.y; - - if (el.type == GraphicElement::G_BOX) { - auto line = PolyLine(true); - line.point(offsetX + scale * el.x1, offsetY + scale * el.y1); - line.point(offsetX + scale * el.x2, offsetY + scale * el.y1); - line.point(offsetX + scale * el.x2, offsetY + scale * el.y2); - line.point(offsetX + scale * el.x1, offsetY + scale * el.y2); - line.build(out); - } + if (el.type == GraphicElement::TYPE_BOX) { + auto line = PolyLine(true); + line.point(x + scale * el.x1, y + scale * el.y1); + line.point(x + scale * el.x2, y + scale * el.y1); + line.point(x + scale * el.x2, y + scale * el.y2); + line.point(x + scale * el.x1, y + scale * el.y2); + line.build(out); + } - if (el.type == GraphicElement::G_LINE) { - PolyLine(offsetX + scale * el.x1, offsetY + scale * el.y1, offsetX + scale * el.x2, offsetY + scale * el.y2) - .build(out); - } + if (el.type == GraphicElement::TYPE_LINE || el.type == GraphicElement::TYPE_ARROW) { + PolyLine(x + scale * el.x1, y + scale * el.y1, x + scale * el.x2, y + scale * el.y2) + .build(out); } } -void FPGAViewWidget::drawDecal(LineShaderData out[], const DecalXY &decal) +void FPGAViewWidget::drawDecal(LineShaderData &out, const DecalXY &decal) { - const float scale = 1.0; - float offsetX = 0.0, offsetY = 0.0; + float offsetX = decal.x; + float offsetY = decal.y; for (auto &el : ctx_->getDecalGraphics(decal.decal)) { - offsetX = decal.x; - offsetY = decal.y; - - if (el.type == GraphicElement::G_BOX) { - auto line = PolyLine(true); - line.point(offsetX + scale * el.x1, offsetY + scale * el.y1); - line.point(offsetX + scale * el.x2, offsetY + scale * el.y1); - line.point(offsetX + scale * el.x2, offsetY + scale * el.y2); - line.point(offsetX + scale * el.x1, offsetY + scale * el.y2); - switch (el.style) { - case GraphicElement::G_FRAME: - case GraphicElement::G_INACTIVE: - case GraphicElement::G_ACTIVE: - line.build(out[el.style]); - break; - default: - break; - } - } + drawGraphicElement(out, el, offsetX, offsetY); + } +} - if (el.type == GraphicElement::G_LINE) { - auto line = PolyLine(offsetX + scale * el.x1, offsetY + scale * el.y1, offsetX + scale * el.x2, - offsetY + scale * el.y2); - switch (el.style) { - case GraphicElement::G_FRAME: - case GraphicElement::G_INACTIVE: - case GraphicElement::G_ACTIVE: - line.build(out[el.style]); - break; - default: - break; - } +void FPGAViewWidget::drawArchDecal(LineShaderData out[GraphicElement::STYLE_MAX], const DecalXY &decal) +{ + float offsetX = decal.x; + float offsetY = decal.y; + + for (auto &el : ctx_->getDecalGraphics(decal.decal)) { + switch (el.style) { + case GraphicElement::STYLE_FRAME: + case GraphicElement::STYLE_INACTIVE: + case GraphicElement::STYLE_ACTIVE: + drawGraphicElement(out[el.style], el, offsetX, offsetY); + break; + default: + break; } } } @@ -398,24 +174,28 @@ void FPGAViewWidget::paintGL() float thick1Px = mouseToWorldCoordinates(1, 0).x(); float thick11Px = mouseToWorldCoordinates(1.1, 0).x(); - // Draw grid. + // Render grid. auto grid = LineShaderData(); for (float i = -100.0f; i < 100.0f; i += 1.0f) { PolyLine(-100.0f, i, 100.0f, i).build(grid); PolyLine(i, -100.0f, i, 100.0f).build(grid); } + // Draw grid. lineShader_.draw(grid, colors_.grid, thick1Px, matrix); rendererDataLock_.lock(); - lineShader_.draw(rendererData_->decals[0], colors_.frame, thick11Px, matrix); - lineShader_.draw(rendererData_->decals[1], colors_.hidden, thick11Px, matrix); - lineShader_.draw(rendererData_->decals[2], colors_.inactive, thick11Px, matrix); - lineShader_.draw(rendererData_->decals[3], colors_.active, thick11Px, matrix); + // Render Arch graphics. + lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_FRAME], colors_.frame, thick11Px, matrix); + lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_HIDDEN], colors_.hidden, thick11Px, matrix); + lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_INACTIVE], colors_.inactive, thick11Px, matrix); + lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_ACTIVE], colors_.active, thick11Px, matrix); + + // Draw highlighted items. for (int i = 0; i < 8; i++) - lineShader_.draw(rendererData_->highlighted[i], colors_.highlight[i], thick11Px, matrix); + lineShader_.draw(rendererData_->gfxHighlighted[i], colors_.highlight[i], thick11Px, matrix); - lineShader_.draw(rendererData_->selected, colors_.selected, thick11Px, matrix); + lineShader_.draw(rendererData_->gfxSelected, colors_.selected, thick11Px, matrix); rendererDataLock_.unlock(); } @@ -426,126 +206,154 @@ void FPGAViewWidget::renderLines(void) if (ctx_ == nullptr) return; - ctx_->lock_ui(); - - // For now, collapse any decal changes into change of all decals. - // TODO(q3k): fix this - bool decalsChanged = false; - if (ctx_->allUiReload) { - ctx_->allUiReload = false; - decalsChanged = true; - } - if (ctx_->frameUiReload) { - ctx_->frameUiReload = false; - decalsChanged = true; - } - if (ctx_->belUiReload.size() > 0) { - ctx_->belUiReload.clear(); - decalsChanged = true; - } - if (ctx_->wireUiReload.size() > 0) { - ctx_->wireUiReload.clear(); - decalsChanged = true; - } - if (ctx_->pipUiReload.size() > 0) { - ctx_->pipUiReload.clear(); - decalsChanged = true; - } - if (ctx_->groupUiReload.size() > 0) { - ctx_->groupUiReload.clear(); - decalsChanged = true; - } - - // Local copy of decals, taken as fast as possible to not block the P&R. + // Data from Context needed to render all decals. std::vector<DecalXY> belDecals; std::vector<DecalXY> wireDecals; std::vector<DecalXY> pipDecals; std::vector<DecalXY> groupDecals; - if (decalsChanged) { - for (auto bel : ctx_->getBels()) { - belDecals.push_back(ctx_->getBelDecal(bel)); + bool decalsChanged = false; + { + // Take the UI/Normal mutex on the Context, copy over all we need as + // fast as we can. + std::lock_guard<std::mutex> lock_ui(ctx_->ui_mutex); + std::lock_guard<std::mutex> lock(ctx_->mutex); + + // For now, collapse any decal changes into change of all decals. + // TODO(q3k): fix this + if (ctx_->allUiReload) { + ctx_->allUiReload = false; + decalsChanged = true; } - for (auto wire : ctx_->getWires()) { - wireDecals.push_back(ctx_->getWireDecal(wire)); + if (ctx_->frameUiReload) { + ctx_->frameUiReload = false; + decalsChanged = true; } - for (auto pip : ctx_->getPips()) { - pipDecals.push_back(ctx_->getPipDecal(pip)); + if (ctx_->belUiReload.size() > 0) { + ctx_->belUiReload.clear(); + decalsChanged = true; } - for (auto group : ctx_->getGroups()) { - groupDecals.push_back(ctx_->getGroupDecal(group)); + if (ctx_->wireUiReload.size() > 0) { + ctx_->wireUiReload.clear(); + decalsChanged = true; + } + if (ctx_->pipUiReload.size() > 0) { + ctx_->pipUiReload.clear(); + decalsChanged = true; + } + if (ctx_->groupUiReload.size() > 0) { + ctx_->groupUiReload.clear(); + decalsChanged = true; + } + + // Local copy of decals, taken as fast as possible to not block the P&R. + if (decalsChanged) { + for (auto bel : ctx_->getBels()) { + belDecals.push_back(ctx_->getBelDecal(bel)); + } + for (auto wire : ctx_->getWires()) { + wireDecals.push_back(ctx_->getWireDecal(wire)); + } + for (auto pip : ctx_->getPips()) { + pipDecals.push_back(ctx_->getPipDecal(pip)); + } + for (auto group : ctx_->getGroups()) { + groupDecals.push_back(ctx_->getGroupDecal(group)); + } } } - ctx_->unlock_ui(); - rendererArgsLock_.lock(); - auto selectedItems = rendererArgs_->selectedItems; - auto highlightedItems = rendererArgs_->highlightedItems; - auto highlightedOrSelectedChanged = rendererArgs_->highlightedOrSelectedChanged; - rendererArgs_->highlightedOrSelectedChanged = false; - rendererArgsLock_.unlock(); + // Arguments from the main UI thread on what we should render. + std::vector<DecalXY> selectedDecals; + std::vector<DecalXY> highlightedDecals[8]; + bool highlightedOrSelectedChanged; + { + // Take the renderer arguments lock, copy over all we need. + QMutexLocker lock(&rendererArgsLock_); + selectedDecals = rendererArgs_->selectedDecals; + for (int i = 0; i < 8; i++) + highlightedDecals[i] = rendererArgs_->highlightedDecals[i]; + highlightedOrSelectedChanged = rendererArgs_->highlightedOrSelectedChanged; + rendererArgs_->highlightedOrSelectedChanged = false; + } + // Render decals if necessary. if (decalsChanged) { auto data = std::unique_ptr<FPGAViewWidget::RendererData>(new FPGAViewWidget::RendererData); // Draw Bels. for (auto const &decal : belDecals) { - drawDecal(data->decals, decal); + drawArchDecal(data->gfxByStyle, decal); } // Draw Wires. for (auto const &decal : wireDecals) { - drawDecal(data->decals, decal); + drawArchDecal(data->gfxByStyle, decal); } // Draw Pips. for (auto const &decal : pipDecals) { - drawDecal(data->decals, decal); + drawArchDecal(data->gfxByStyle, decal); } // Draw Groups. for (auto const &decal : groupDecals) { - drawDecal(data->decals, decal); + drawArchDecal(data->gfxByStyle, decal); } // Swap over. - rendererDataLock_.lock(); - rendererData_ = std::move(data); - rendererDataLock_.unlock(); + { + QMutexLocker lock(&rendererDataLock_); + + // If we're not re-rendering any highlights/selections, let's + // copy them over from teh current object. + if (!highlightedOrSelectedChanged) { + data->gfxSelected = rendererData_->gfxSelected; + for (int i = 0; i < 8; i++) + data->gfxHighlighted[i] = rendererData_->gfxHighlighted[i]; + } + + rendererData_ = std::move(data); + } } - rendererDataLock_.lock(); - if (decalsChanged || highlightedOrSelectedChanged) { - rendererData_->selected.clear(); - for (auto &decal : selectedItems) { - drawDecal(rendererData_->selected, decal); + if (highlightedOrSelectedChanged) { + QMutexLocker locker(&rendererDataLock_); + + // Render selected. + rendererData_->gfxSelected.clear(); + for (auto &decal : selectedDecals) { + drawDecal(rendererData_->gfxSelected, decal); } + + // Render highlighted. for (int i = 0; i < 8; i++) { - rendererData_->highlighted[i].clear(); - for (auto &decal : highlightedItems[i]) { - drawDecal(rendererData_->highlighted[i], decal); + rendererData_->gfxHighlighted[i].clear(); + for (auto &decal : highlightedDecals[i]) { + drawDecal(rendererData_->gfxHighlighted[i], decal); } } } - rendererDataLock_.unlock(); } void FPGAViewWidget::onSelectedArchItem(std::vector<DecalXY> decals) { - rendererArgsLock_.lock(); - rendererArgs_->selectedItems = decals; - rendererArgs_->highlightedOrSelectedChanged = true; - rendererArgsLock_.unlock(); + { + QMutexLocker locker(&rendererArgsLock_); + rendererArgs_->selectedDecals = decals; + rendererArgs_->highlightedOrSelectedChanged = true; + } pokeRenderer(); } void FPGAViewWidget::onHighlightGroupChanged(std::vector<DecalXY> decals, int group) { - rendererArgsLock_.lock(); - rendererArgs_->highlightedItems[group] = decals; - rendererArgs_->highlightedOrSelectedChanged = true; - rendererArgsLock_.unlock(); + { + QMutexLocker locker(&rendererArgsLock_); + rendererArgs_->highlightedDecals[group] = decals; + rendererArgs_->highlightedOrSelectedChanged = true; + } pokeRenderer(); } void FPGAViewWidget::resizeGL(int width, int height) {} -void FPGAViewWidget::mousePressEvent(QMouseEvent *event) { lastPos_ = event->pos(); } +void FPGAViewWidget::mousePressEvent(QMouseEvent *event) { lastDragPos_ = event->pos(); } // Invert the projection matrix to calculate screen/mouse to world/grid // coordinates. @@ -561,9 +369,9 @@ QVector4D FPGAViewWidget::mouseToWorldCoordinates(int x, int y) void FPGAViewWidget::mouseMoveEvent(QMouseEvent *event) { - const int dx = event->x() - lastPos_.x(); - const int dy = event->y() - lastPos_.y(); - lastPos_ = event->pos(); + const int dx = event->x() - lastDragPos_.x(); + const int dy = event->y() - lastDragPos_.y(); + lastDragPos_ = event->pos(); auto world = mouseToWorldCoordinates(dx, dy); viewMove_.translate(world.x(), -world.y()); @@ -575,21 +383,32 @@ void FPGAViewWidget::wheelEvent(QWheelEvent *event) { QPoint degree = event->angleDelta() / 8; - if (!degree.isNull()) { - - if (zoom_ < zoomNear_) { - zoom_ = zoomNear_; - } else if (zoom_ < zoomLvl1_) { - zoom_ -= degree.y() / 10.0; - } else if (zoom_ < zoomLvl2_) { - zoom_ -= degree.y() / 5.0; - } else if (zoom_ < zoomFar_) { - zoom_ -= degree.y(); - } else { - zoom_ = zoomFar_; - } - update(); + if (!degree.isNull()) + zoom(degree.y()); +} + +void FPGAViewWidget::zoom(int level) +{ + if (zoom_ < zoomNear_) { + zoom_ = zoomNear_; + } else if (zoom_ < zoomLvl1_) { + zoom_ -= level / 10.0; + } else if (zoom_ < zoomLvl2_) { + zoom_ -= level / 5.0; + } else if (zoom_ < zoomFar_) { + zoom_ -= level; + } else { + zoom_ = zoomFar_; } + update(); } +void FPGAViewWidget::zoomIn() { zoom(10); } + +void FPGAViewWidget::zoomOut() { zoom(-10); } + +void FPGAViewWidget::zoomSelected() {} + +void FPGAViewWidget::zoomOutbound() {} + NEXTPNR_NAMESPACE_END |