1 files changed, 101 insertions, 0 deletions
diff --git a/tests/manual/rhi/polygonmode/polygonmode.cpp b/tests/manual/rhi/polygonmode/polygonmode.cpp
new file mode 100644
index 0000000000..466657ab03
--- /dev/null
+++ b/tests/manual/rhi/polygonmode/polygonmode.cpp
@@ -0,0 +1,101 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "../shared/examplefw.h"
+
+static const float geom[] = {
+    -0.5f, 0.5f, 0.0f,   1.0f, 0.0f, 0.0f,
+    -0.5f, -0.5f, 0.0f,  0.0f, 1.0f, 0.0f,
+    0.0f, 0.5f, 0.0f,    0.0f, 0.0f, 1.0f,
+    0.0f, -0.5f, 0.0f,   1.0f, 0.0f, 1.0f,
+    0.5f, 0.5f, 0.0f,    1.0f, 1.0f, 0.0f,
+    0.5f, -0.5f, 0.0f,   0.0f, 1.0f, 1.0f,
+
+};
+
+struct {
+    QVector<QRhiResource *> releasePool;
+    QRhiBuffer *vbuf = nullptr;
+    QRhiShaderResourceBindings *srb = nullptr;
+    QRhiGraphicsPipeline *ps = nullptr;
+    QRhiResourceUpdateBatch *initialUpdates = nullptr;
+    int count = 0;
+} d;
+
+void Window::customInit()
+{
+    m_clearColor = QColor("black");
+
+    d.vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(geom));
+    d.vbuf->create();
+    d.releasePool << d.vbuf;
+
+    d.srb = m_r->newShaderResourceBindings();
+    d.releasePool << d.srb;
+    d.srb->create();
+
+    d.ps = m_r->newGraphicsPipeline();
+    d.releasePool << d.ps;
+
+    d.ps->setTopology(QRhiGraphicsPipeline::TriangleStrip);
+
+    d.ps->setShaderStages({
+        { QRhiShaderStage::Vertex, getShader(QLatin1String(":/test.vert.qsb")) },
+        { QRhiShaderStage::Fragment, getShader(QLatin1String(":/test.frag.qsb")) }
+    });
+
+    d.ps->setCullMode(QRhiGraphicsPipeline::None);
+    d.ps->setPolygonMode(QRhiGraphicsPipeline::Line);
+    d.ps->setDepthTest(true);
+    d.ps->setDepthWrite(true);
+    QRhiVertexInputLayout inputLayout;
+    inputLayout.setBindings({
+        { 6 * sizeof(float) }
+    });
+    inputLayout.setAttributes({
+        { 0, 0, QRhiVertexInputAttribute::Float3, 0 },
+        { 0, 1, QRhiVertexInputAttribute::Float3, 3 * sizeof(float) }
+    });
+    d.ps->setVertexInputLayout(inputLayout);
+    d.ps->setShaderResourceBindings(d.srb);
+    d.ps->setRenderPassDescriptor(m_rp);
+    d.ps->create();
+
+    d.initialUpdates = m_r->nextResourceUpdateBatch();
+    d.initialUpdates->uploadStaticBuffer(d.vbuf, geom);
+}
+
+void Window::customRelease()
+{
+    qDeleteAll(d.releasePool);
+    d.releasePool.clear();
+}
+
+void Window::customRender()
+{
+    const QSize outputSizeInPixels = m_sc->currentPixelSize();
+    QRhiCommandBuffer *cb = m_sc->currentFrameCommandBuffer();
+    QRhiResourceUpdateBatch *u = m_r->nextResourceUpdateBatch();
+    if (d.initialUpdates) {
+        u->merge(d.initialUpdates);
+        d.initialUpdates->release();
+        d.initialUpdates = nullptr;
+    }
+
+    QRhiGraphicsPipeline::PolygonMode polygonMode =
+            (++d.count / 60) % 2 ? QRhiGraphicsPipeline::Fill : QRhiGraphicsPipeline::Line;
+
+    if (d.ps->polygonMode() != polygonMode) {
+        d.ps->setPolygonMode(polygonMode);
+        d.ps->create();
+    }
+
+    cb->beginPass(m_sc->currentFrameRenderTarget(), m_clearColor, { 1.0f, 0 }, u);
+    cb->setGraphicsPipeline(d.ps);
+    cb->setViewport({ 0, 0, float(outputSizeInPixels.width()), float(outputSizeInPixels.height()) });
+    cb->setShaderResources();
+    QRhiCommandBuffer::VertexInput vbufBinding(d.vbuf, 0);
+    cb->setVertexInput(0, 1, &vbufBinding);
+    cb->draw(6);
+    cb->endPass();
+}