415 lines
13 KiB
C++
415 lines
13 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Serge Bazanski <q3k@symbioticeda.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <cstdio>
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#include <math.h>
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#include <QApplication>
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#include <QCoreApplication>
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#include <QMouseEvent>
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#include <QWidget>
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#include "fpgaviewwidget.h"
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#include "log.h"
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#include "mainwindow.h"
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NEXTPNR_NAMESPACE_BEGIN
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FPGAViewWidget::FPGAViewWidget(QWidget *parent) :
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QOpenGLWidget(parent), ctx_(nullptr), paintTimer_(this),
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lineShader_(this), zoom_(500.0f),
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rendererData_(new FPGAViewWidget::RendererData),
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rendererArgs_(new FPGAViewWidget::RendererArgs)
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{
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colors_.background = QColor("#000000");
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colors_.grid = QColor("#333");
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colors_.frame = QColor("#808080");
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colors_.hidden = QColor("#606060");
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colors_.inactive = QColor("#303030");
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colors_.active = QColor("#f0f0f0");
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colors_.selected = QColor("#ff6600");
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colors_.highlight[0] = QColor("#6495ed");
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colors_.highlight[1] = QColor("#7fffd4");
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colors_.highlight[2] = QColor("#98fb98");
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colors_.highlight[3] = QColor("#ffd700");
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colors_.highlight[4] = QColor("#cd5c5c");
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colors_.highlight[5] = QColor("#fa8072");
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colors_.highlight[6] = QColor("#ff69b4");
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colors_.highlight[7] = QColor("#da70d6");
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rendererArgs_->highlightedOrSelectedChanged = false;
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auto fmt = format();
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fmt.setMajorVersion(3);
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fmt.setMinorVersion(1);
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setFormat(fmt);
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fmt = format();
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if (fmt.majorVersion() < 3) {
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printf("Could not get OpenGL 3.0 context. Aborting.\n");
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log_abort();
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}
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if (fmt.minorVersion() < 1) {
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printf("Could not get OpenGL 3.1 context - trying anyway...\n ");
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}
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connect(&paintTimer_, SIGNAL(timeout()), this, SLOT(update()));
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paintTimer_.start(1000 / 20); // paint GL 20 times per second
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renderRunner_ = std::unique_ptr<PeriodicRunner>(new PeriodicRunner(this, [this] { renderLines(); }));
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renderRunner_->start();
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renderRunner_->startTimer(1000 / 2); // render lines 2 times per second
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}
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FPGAViewWidget::~FPGAViewWidget() {}
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void FPGAViewWidget::newContext(Context *ctx)
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{
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ctx_ = ctx;
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onSelectedArchItem(std::vector<DecalXY>());
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for (int i = 0; i < 8; i++)
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onHighlightGroupChanged(std::vector<DecalXY>(), i);
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pokeRenderer();
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}
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QSize FPGAViewWidget::minimumSizeHint() const { return QSize(640, 480); }
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QSize FPGAViewWidget::sizeHint() const { return QSize(640, 480); }
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void FPGAViewWidget::initializeGL()
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{
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if (!lineShader_.compile()) {
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log_error("Could not compile shader.\n");
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}
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initializeOpenGLFunctions();
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glClearColor(colors_.background.red() / 255, colors_.background.green() / 255, colors_.background.blue() / 255,
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0.0);
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}
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void FPGAViewWidget::drawGraphicElement(LineShaderData &out, const GraphicElement &el, float x, float y)
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{
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const float scale = 1.0;
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if (el.type == GraphicElement::TYPE_BOX) {
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auto line = PolyLine(true);
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line.point(x + scale * el.x1, y + scale * el.y1);
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line.point(x + scale * el.x2, y + scale * el.y1);
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line.point(x + scale * el.x2, y + scale * el.y2);
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line.point(x + scale * el.x1, y + scale * el.y2);
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line.build(out);
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}
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if (el.type == GraphicElement::TYPE_LINE || el.type == GraphicElement::TYPE_ARROW) {
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PolyLine(x + scale * el.x1, y + scale * el.y1, x + scale * el.x2, y + scale * el.y2)
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.build(out);
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}
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}
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void FPGAViewWidget::drawDecal(LineShaderData &out, const DecalXY &decal)
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{
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float offsetX = decal.x;
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float offsetY = decal.y;
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for (auto &el : ctx_->getDecalGraphics(decal.decal)) {
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drawGraphicElement(out, el, offsetX, offsetY);
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}
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}
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void FPGAViewWidget::drawArchDecal(LineShaderData out[GraphicElement::STYLE_MAX], const DecalXY &decal)
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{
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float offsetX = decal.x;
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float offsetY = decal.y;
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for (auto &el : ctx_->getDecalGraphics(decal.decal)) {
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switch (el.style) {
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case GraphicElement::STYLE_FRAME:
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case GraphicElement::STYLE_INACTIVE:
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case GraphicElement::STYLE_ACTIVE:
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drawGraphicElement(out[el.style], el, offsetX, offsetY);
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break;
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default:
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break;
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}
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}
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}
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QMatrix4x4 FPGAViewWidget::getProjection(void)
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{
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QMatrix4x4 matrix;
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const float aspect = float(width()) / float(height());
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matrix.perspective(3.14 / 2, aspect, zoomNear_, zoomFar_);
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matrix.translate(0.0f, 0.0f, -zoom_);
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return matrix;
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}
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void FPGAViewWidget::paintGL()
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{
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auto gl = QOpenGLContext::currentContext()->functions();
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const qreal retinaScale = devicePixelRatio();
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gl->glViewport(0, 0, width() * retinaScale, height() * retinaScale);
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gl->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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QMatrix4x4 matrix = getProjection();
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matrix *= viewMove_;
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// Calculate world thickness to achieve a screen 1px/1.1px line.
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float thick1Px = mouseToWorldCoordinates(1, 0).x();
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float thick11Px = mouseToWorldCoordinates(1.1, 0).x();
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// Render grid.
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auto grid = LineShaderData();
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for (float i = -100.0f; i < 100.0f; i += 1.0f) {
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PolyLine(-100.0f, i, 100.0f, i).build(grid);
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PolyLine(i, -100.0f, i, 100.0f).build(grid);
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}
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// Draw grid.
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lineShader_.draw(grid, colors_.grid, thick1Px, matrix);
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rendererDataLock_.lock();
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// Render Arch graphics.
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lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_FRAME], colors_.frame, thick11Px, matrix);
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lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_HIDDEN], colors_.hidden, thick11Px, matrix);
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lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_INACTIVE], colors_.inactive, thick11Px, matrix);
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lineShader_.draw(rendererData_->gfxByStyle[GraphicElement::STYLE_ACTIVE], colors_.active, thick11Px, matrix);
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// Draw highlighted items.
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for (int i = 0; i < 8; i++)
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lineShader_.draw(rendererData_->gfxHighlighted[i], colors_.highlight[i], thick11Px, matrix);
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lineShader_.draw(rendererData_->gfxSelected, colors_.selected, thick11Px, matrix);
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rendererDataLock_.unlock();
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}
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void FPGAViewWidget::pokeRenderer(void) { renderRunner_->poke(); }
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void FPGAViewWidget::renderLines(void)
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{
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if (ctx_ == nullptr)
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return;
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// Data from Context needed to render all decals.
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std::vector<DecalXY> belDecals;
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std::vector<DecalXY> wireDecals;
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std::vector<DecalXY> pipDecals;
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std::vector<DecalXY> groupDecals;
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bool decalsChanged = false;
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{
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// Take the UI/Normal mutex on the Context, copy over all we need as
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// fast as we can.
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std::lock_guard<std::mutex> lock_ui(ctx_->ui_mutex);
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std::lock_guard<std::mutex> lock(ctx_->mutex);
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// For now, collapse any decal changes into change of all decals.
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// TODO(q3k): fix this
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if (ctx_->allUiReload) {
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ctx_->allUiReload = false;
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decalsChanged = true;
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}
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if (ctx_->frameUiReload) {
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ctx_->frameUiReload = false;
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decalsChanged = true;
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}
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if (ctx_->belUiReload.size() > 0) {
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ctx_->belUiReload.clear();
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decalsChanged = true;
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}
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if (ctx_->wireUiReload.size() > 0) {
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ctx_->wireUiReload.clear();
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decalsChanged = true;
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}
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if (ctx_->pipUiReload.size() > 0) {
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ctx_->pipUiReload.clear();
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decalsChanged = true;
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}
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if (ctx_->groupUiReload.size() > 0) {
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ctx_->groupUiReload.clear();
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decalsChanged = true;
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}
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// Local copy of decals, taken as fast as possible to not block the P&R.
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if (decalsChanged) {
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for (auto bel : ctx_->getBels()) {
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belDecals.push_back(ctx_->getBelDecal(bel));
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}
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for (auto wire : ctx_->getWires()) {
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wireDecals.push_back(ctx_->getWireDecal(wire));
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}
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for (auto pip : ctx_->getPips()) {
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pipDecals.push_back(ctx_->getPipDecal(pip));
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}
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for (auto group : ctx_->getGroups()) {
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groupDecals.push_back(ctx_->getGroupDecal(group));
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}
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}
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}
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// Arguments from the main UI thread on what we should render.
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std::vector<DecalXY> selectedDecals;
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std::vector<DecalXY> highlightedDecals[8];
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bool highlightedOrSelectedChanged;
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{
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// Take the renderer arguments lock, copy over all we need.
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QMutexLocker lock(&rendererArgsLock_);
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selectedDecals = rendererArgs_->selectedDecals;
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for (int i = 0; i < 8; i++)
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highlightedDecals[i] = rendererArgs_->highlightedDecals[i];
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highlightedOrSelectedChanged = rendererArgs_->highlightedOrSelectedChanged;
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rendererArgs_->highlightedOrSelectedChanged = false;
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}
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// Render decals if necessary.
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if (decalsChanged) {
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auto data = std::unique_ptr<FPGAViewWidget::RendererData>(new FPGAViewWidget::RendererData);
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// Draw Bels.
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for (auto const &decal : belDecals) {
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drawArchDecal(data->gfxByStyle, decal);
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}
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// Draw Wires.
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for (auto const &decal : wireDecals) {
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drawArchDecal(data->gfxByStyle, decal);
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}
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// Draw Pips.
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for (auto const &decal : pipDecals) {
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drawArchDecal(data->gfxByStyle, decal);
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}
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// Draw Groups.
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for (auto const &decal : groupDecals) {
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drawArchDecal(data->gfxByStyle, decal);
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}
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// Swap over.
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{
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QMutexLocker lock(&rendererDataLock_);
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// If we're not re-rendering any highlights/selections, let's
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// copy them over from teh current object.
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if (!highlightedOrSelectedChanged) {
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data->gfxSelected = rendererData_->gfxSelected;
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for (int i = 0; i < 8; i++)
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data->gfxHighlighted[i] = rendererData_->gfxHighlighted[i];
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}
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rendererData_ = std::move(data);
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}
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}
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if (highlightedOrSelectedChanged) {
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QMutexLocker locker(&rendererDataLock_);
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// Render selected.
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rendererData_->gfxSelected.clear();
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for (auto &decal : selectedDecals) {
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drawDecal(rendererData_->gfxSelected, decal);
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}
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// Render highlighted.
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for (int i = 0; i < 8; i++) {
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rendererData_->gfxHighlighted[i].clear();
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for (auto &decal : highlightedDecals[i]) {
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drawDecal(rendererData_->gfxHighlighted[i], decal);
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}
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}
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}
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}
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void FPGAViewWidget::onSelectedArchItem(std::vector<DecalXY> decals)
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{
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{
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QMutexLocker locker(&rendererArgsLock_);
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rendererArgs_->selectedDecals = decals;
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rendererArgs_->highlightedOrSelectedChanged = true;
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}
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pokeRenderer();
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}
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void FPGAViewWidget::onHighlightGroupChanged(std::vector<DecalXY> decals, int group)
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{
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{
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QMutexLocker locker(&rendererArgsLock_);
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rendererArgs_->highlightedDecals[group] = decals;
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rendererArgs_->highlightedOrSelectedChanged = true;
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}
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pokeRenderer();
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}
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void FPGAViewWidget::resizeGL(int width, int height) {}
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void FPGAViewWidget::mousePressEvent(QMouseEvent *event) { lastDragPos_ = event->pos(); }
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// Invert the projection matrix to calculate screen/mouse to world/grid
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// coordinates.
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QVector4D FPGAViewWidget::mouseToWorldCoordinates(int x, int y)
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{
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QMatrix4x4 p = getProjection();
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QVector2D unit = p.map(QVector4D(1, 1, 0, 1)).toVector2DAffine();
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float sx = (((float)x) / (width() / 2));
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float sy = (((float)y) / (height() / 2));
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return QVector4D(sx / unit.x(), sy / unit.y(), 0, 1);
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}
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void FPGAViewWidget::mouseMoveEvent(QMouseEvent *event)
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{
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const int dx = event->x() - lastDragPos_.x();
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const int dy = event->y() - lastDragPos_.y();
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lastDragPos_ = event->pos();
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auto world = mouseToWorldCoordinates(dx, dy);
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viewMove_.translate(world.x(), -world.y());
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update();
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}
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void FPGAViewWidget::wheelEvent(QWheelEvent *event)
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{
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QPoint degree = event->angleDelta() / 8;
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if (!degree.isNull())
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zoom(degree.y());
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}
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void FPGAViewWidget::zoom(int level)
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{
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if (zoom_ < zoomNear_) {
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zoom_ = zoomNear_;
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} else if (zoom_ < zoomLvl1_) {
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zoom_ -= level / 10.0;
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} else if (zoom_ < zoomLvl2_) {
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zoom_ -= level / 5.0;
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} else if (zoom_ < zoomFar_) {
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zoom_ -= level;
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} else {
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zoom_ = zoomFar_;
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}
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update();
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}
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void FPGAViewWidget::zoomIn() { zoom(10); }
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void FPGAViewWidget::zoomOut() { zoom(-10); }
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void FPGAViewWidget::zoomSelected() {}
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void FPGAViewWidget::zoomOutbound() {}
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NEXTPNR_NAMESPACE_END
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