05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "../shared/examplefw.h"
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static const float geom[] = {
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-0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
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-0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 1.0f,
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0.0f, -0.5f, 0.0f, 1.0f, 0.0f, 1.0f,
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0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 0.0f,
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0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 1.0f,
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};
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struct {
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QVector<QRhiResource *> releasePool;
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QRhiBuffer *vbuf = nullptr;
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QRhiShaderResourceBindings *srb = nullptr;
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QRhiGraphicsPipeline *ps = nullptr;
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QRhiResourceUpdateBatch *initialUpdates = nullptr;
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int count = 0;
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} d;
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void Window::customInit()
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{
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m_clearColor = QColor("black");
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d.vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(geom));
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d.vbuf->create();
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d.releasePool << d.vbuf;
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d.srb = m_r->newShaderResourceBindings();
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d.releasePool << d.srb;
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d.srb->create();
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d.ps = m_r->newGraphicsPipeline();
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d.releasePool << d.ps;
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d.ps->setTopology(QRhiGraphicsPipeline::TriangleStrip);
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d.ps->setShaderStages({
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{ QRhiShaderStage::Vertex, getShader(QLatin1String(":/test.vert.qsb")) },
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{ QRhiShaderStage::Fragment, getShader(QLatin1String(":/test.frag.qsb")) }
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});
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d.ps->setCullMode(QRhiGraphicsPipeline::None);
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d.ps->setPolygonMode(QRhiGraphicsPipeline::Line);
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d.ps->setDepthTest(true);
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d.ps->setDepthWrite(true);
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QRhiVertexInputLayout inputLayout;
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inputLayout.setBindings({
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{ 6 * sizeof(float) }
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});
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inputLayout.setAttributes({
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{ 0, 0, QRhiVertexInputAttribute::Float3, 0 },
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{ 0, 1, QRhiVertexInputAttribute::Float3, 3 * sizeof(float) }
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});
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d.ps->setVertexInputLayout(inputLayout);
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d.ps->setShaderResourceBindings(d.srb);
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d.ps->setRenderPassDescriptor(m_rp);
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d.ps->create();
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d.initialUpdates = m_r->nextResourceUpdateBatch();
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d.initialUpdates->uploadStaticBuffer(d.vbuf, geom);
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}
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void Window::customRelease()
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{
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qDeleteAll(d.releasePool);
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d.releasePool.clear();
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}
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void Window::customRender()
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{
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const QSize outputSizeInPixels = m_sc->currentPixelSize();
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QRhiCommandBuffer *cb = m_sc->currentFrameCommandBuffer();
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QRhiResourceUpdateBatch *u = m_r->nextResourceUpdateBatch();
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if (d.initialUpdates) {
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u->merge(d.initialUpdates);
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d.initialUpdates->release();
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d.initialUpdates = nullptr;
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}
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QRhiGraphicsPipeline::PolygonMode polygonMode =
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(++d.count / 60) % 2 ? QRhiGraphicsPipeline::Fill : QRhiGraphicsPipeline::Line;
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if (d.ps->polygonMode() != polygonMode) {
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d.ps->setPolygonMode(polygonMode);
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d.ps->create();
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}
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cb->beginPass(m_sc->currentFrameRenderTarget(), m_clearColor, { 1.0f, 0 }, u);
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cb->setGraphicsPipeline(d.ps);
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cb->setViewport({ 0, 0, float(outputSizeInPixels.width()), float(outputSizeInPixels.height()) });
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cb->setShaderResources();
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QRhiCommandBuffer::VertexInput vbufBinding(d.vbuf, 0);
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cb->setVertexInput(0, 1, &vbufBinding);
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cb->draw(6);
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cb->endPass();
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}
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