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++ // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++
++ #include <QtTest/QTest>
++ #include <Qt3DRender/qblitframebuffer.h>
++ #include <Qt3DRender/private/qblitframebuffer_p.h>
++ #include <Qt3DRender/private/blitframebuffer_p.h>
++ #include "qbackendnodetester.h"
++ #include "testrenderer.h"
++
++ class tst_BlitFramebuffer : public Qt3DCore::QBackendNodeTester
++ {
++ Q_OBJECT
++
++ private Q_SLOTS:
++
++ void checkInitialState()
++ {
++ // GIVEN
++ Qt3DRender::Render::BlitFramebuffer backendBlitFramebuffer;
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.nodeType(), Qt3DRender::Render::FrameGraphNode::BlitFramebuffer);
++ QCOMPARE(backendBlitFramebuffer.isEnabled(), false);
++ QVERIFY(backendBlitFramebuffer.peerId().isNull());
++ QVERIFY(backendBlitFramebuffer.sourceRenderTargetId().isNull());
++ QVERIFY(backendBlitFramebuffer.destinationRenderTargetId().isNull());
++ QCOMPARE(backendBlitFramebuffer.sourceRect(), QRect());
++ QCOMPARE(backendBlitFramebuffer.destinationRect(), QRect());
++ QCOMPARE(backendBlitFramebuffer.sourceAttachmentPoint(), Qt3DRender::QRenderTargetOutput::Color0);
++ QCOMPARE(backendBlitFramebuffer.destinationAttachmentPoint(), Qt3DRender::QRenderTargetOutput::Color0);
++ QCOMPARE(backendBlitFramebuffer.interpolationMethod(), Qt3DRender::QBlitFramebuffer::Linear);
++ }
++
++ void checkInitializeFromPeer()
++ {
++ // GIVEN
++ TestRenderer renderer;
++ Qt3DRender::QRenderTarget *sourceTarget = new Qt3DRender::QRenderTarget;
++ Qt3DRender::QRenderTarget *destinationTarget = new Qt3DRender::QRenderTarget;
++ Qt3DRender::QBlitFramebuffer blitFramebuffer;
++ blitFramebuffer.setSource(sourceTarget);
++ blitFramebuffer.setDestination(destinationTarget);
++ blitFramebuffer.setSourceRect(QRect(0,0,1,1));
++ blitFramebuffer.setDestinationRect(QRect(0,0,1,1));
++ blitFramebuffer.setSourceAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++ blitFramebuffer.setDestinationAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++ blitFramebuffer.setInterpolationMethod(Qt3DRender::QBlitFramebuffer::Nearest);
++
++ {
++ // WHEN
++ Qt3DRender::Render::BlitFramebuffer backendBlitFramebuffer;
++ backendBlitFramebuffer.setRenderer(&renderer);
++ simulateInitializationSync(&blitFramebuffer, &backendBlitFramebuffer);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.isEnabled(), true);
++ QCOMPARE(backendBlitFramebuffer.peerId(), blitFramebuffer.id());
++ QCOMPARE(backendBlitFramebuffer.sourceRenderTargetId(), sourceTarget->id());
++ QCOMPARE(backendBlitFramebuffer.destinationRenderTargetId(), destinationTarget->id());
++ QCOMPARE(backendBlitFramebuffer.sourceRect(), QRect(0,0,1,1));
++ QCOMPARE(backendBlitFramebuffer.destinationRect(), QRect(0,0,1,1));
++ QCOMPARE(backendBlitFramebuffer.sourceAttachmentPoint(), Qt3DRender::QRenderTargetOutput::Color1);
++ QCOMPARE(backendBlitFramebuffer.destinationAttachmentPoint(), Qt3DRender::QRenderTargetOutput::Color1);
++ QCOMPARE(backendBlitFramebuffer.interpolationMethod(), Qt3DRender::QBlitFramebuffer::Nearest);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ }
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ {
++ // WHEN
++ Qt3DRender::Render::BlitFramebuffer backendBlitFramebuffer;
++ backendBlitFramebuffer.setRenderer(&renderer);
++ blitFramebuffer.setEnabled(false);
++ simulateInitializationSync(&blitFramebuffer, &backendBlitFramebuffer);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.peerId(), blitFramebuffer.id());
++ QCOMPARE(backendBlitFramebuffer.isEnabled(), false);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ }
++ }
++
++ void checkSceneChangeEvents()
++ {
++ // GIVEN
++ Qt3DRender::Render::BlitFramebuffer backendBlitFramebuffer;
++ Qt3DRender::QBlitFramebuffer blitFramebuffer;
++ TestRenderer renderer;
++ backendBlitFramebuffer.setRenderer(&renderer);
++ simulateInitializationSync(&blitFramebuffer, &backendBlitFramebuffer);
++
++ {
++ // WHEN
++ const bool newValue = false;
++ blitFramebuffer.setEnabled(newValue);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.isEnabled(), newValue);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ Qt3DRender::QRenderTarget sourceRenderTarget;
++ blitFramebuffer.setSource(&sourceRenderTarget);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.sourceRenderTargetId(), sourceRenderTarget.id());
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ Qt3DRender::QRenderTarget destinationRenderTarget;
++ blitFramebuffer.setDestination(&destinationRenderTarget);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.destinationRenderTargetId(), destinationRenderTarget.id());
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ const auto newValue = QRect(0,0,1,1);
++ blitFramebuffer.setSourceRect(newValue);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.sourceRect(), newValue);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ const auto newValue = QRect(0,0,1,1);
++ blitFramebuffer.setDestinationRect(newValue);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.destinationRect(), newValue);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ const auto newValue = Qt3DRender::QRenderTargetOutput::Color1;
++ blitFramebuffer.setSourceAttachmentPoint(newValue);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.sourceAttachmentPoint(), newValue);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ {
++ // WHEN
++ const auto newValue = Qt3DRender::QRenderTargetOutput::Color1;
++ blitFramebuffer.setDestinationAttachmentPoint(newValue);
++ backendBlitFramebuffer.syncFromFrontEnd(&blitFramebuffer, false);
++
++ // THEN
++ QCOMPARE(backendBlitFramebuffer.destinationAttachmentPoint(), newValue);
++ QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::FrameGraphDirty);
++ renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
++ }
++ }
++
++ };
++
++ QTEST_MAIN(tst_BlitFramebuffer)
++
++ #include "tst_blitframebuffer.moc"