1 files changed, 128 insertions, 0 deletions
diff --git a/tests/manual/rhi/imguirenderer/imguirenderer.cpp b/tests/manual/rhi/imguirenderer/imguirenderer.cpp
new file mode 100644
index 0000000000..ef675c2e5b
--- /dev/null
+++ b/tests/manual/rhi/imguirenderer/imguirenderer.cpp
@@ -0,0 +1,128 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#define EXAMPLEFW_IMGUI
+#include "../shared/examplefw.h"
+
+#include "../shared/cube.h"
+
+struct {
+    QMatrix4x4 winProj;
+    QList<QRhiResource *> releasePool;
+    QRhiResourceUpdateBatch *initialUpdates = nullptr;
+    QRhiBuffer *vbuf = nullptr;
+    QRhiBuffer *ubuf = nullptr;
+    QRhiTexture *tex = nullptr;
+    QRhiSampler *sampler = nullptr;
+    QRhiShaderResourceBindings *srb = nullptr;
+    QRhiGraphicsPipeline *ps = nullptr;
+    bool showDemoWindow = true;
+    float rotation = 0.0f;
+} d;
+
+void Window::customInit()
+{
+    d.initialUpdates = m_r->nextResourceUpdateBatch();
+
+    d.vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(cube));
+    d.vbuf->create();
+    d.releasePool << d.vbuf;
+
+    d.initialUpdates->uploadStaticBuffer(d.vbuf, cube);
+
+    d.ubuf = m_r->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, 68);
+    d.ubuf->create();
+    d.releasePool << d.ubuf;
+    float opacity = 1.0f;
+    d.initialUpdates->updateDynamicBuffer(d.ubuf, 64, 4, &opacity);
+
+    QImage image = QImage(QLatin1String(":/qt256.png")).convertToFormat(QImage::Format_RGBA8888).mirrored();
+    d.tex = m_r->newTexture(QRhiTexture::RGBA8, QSize(image.width(), image.height()), 1, {});
+    d.releasePool << d.tex;
+    d.tex->create();
+    d.initialUpdates->uploadTexture(d.tex, image);
+
+    d.sampler = m_r->newSampler(QRhiSampler::Linear, QRhiSampler::Linear, QRhiSampler::None,
+                                QRhiSampler::ClampToEdge, QRhiSampler::ClampToEdge);
+    d.releasePool << d.sampler;
+    d.sampler->create();
+
+    d.srb = m_r->newShaderResourceBindings();
+    d.releasePool << d.srb;
+    d.srb->setBindings({
+        QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, d.ubuf),
+        QRhiShaderResourceBinding::sampledTexture(1, QRhiShaderResourceBinding::FragmentStage, d.tex, d.sampler)
+    });
+    d.srb->create();
+
+    d.ps = m_r->newGraphicsPipeline();
+    d.releasePool << d.ps;
+    d.ps->setCullMode(QRhiGraphicsPipeline::Back);
+    const QRhiShaderStage stages[] = {
+        { QRhiShaderStage::Vertex, getShader(QLatin1String(":/texture.vert.qsb")) },
+        { QRhiShaderStage::Fragment, getShader(QLatin1String(":/texture.frag.qsb")) }
+    };
+    d.ps->setShaderStages(stages, stages + 2);
+    QRhiVertexInputLayout inputLayout;
+    inputLayout.setBindings({
+        { 3 * sizeof(float) },
+        { 2 * sizeof(float) }
+    });
+    inputLayout.setAttributes({
+        { 0, 0, QRhiVertexInputAttribute::Float3, 0 },
+        { 1, 1, QRhiVertexInputAttribute::Float2, 0 }
+    });
+    d.ps->setVertexInputLayout(inputLayout);
+    d.ps->setShaderResourceBindings(d.srb);
+    d.ps->setRenderPassDescriptor(m_rp);
+    d.ps->create();
+}
+
+void Window::customRelease()
+{
+    qDeleteAll(d.releasePool);
+    d.releasePool.clear();
+}
+
+void Window::customRender()
+{
+    QRhiCommandBuffer *cb = m_sc->currentFrameCommandBuffer();
+    QRhiResourceUpdateBatch *u = m_r->nextResourceUpdateBatch();
+    if (d.initialUpdates) {
+        u->merge(d.initialUpdates);
+        d.initialUpdates->release();
+        d.initialUpdates = nullptr;
+    }
+
+    QMatrix4x4 mvp = m_proj;
+    mvp.rotate(d.rotation, 0, 1, 0);
+    u->updateDynamicBuffer(d.ubuf, 0, 64, mvp.constData());
+
+    const QSize outputSizeInPixels = m_sc->currentPixelSize();
+    cb->beginPass(m_sc->currentFrameRenderTarget(), m_clearColor, { 1.0f, 0 }, u);
+
+    cb->setGraphicsPipeline(d.ps);
+    cb->setViewport(QRhiViewport(0, 0, outputSizeInPixels.width(), outputSizeInPixels.height()));
+    cb->setShaderResources();
+    const QRhiCommandBuffer::VertexInput vbufBindings[] = {
+        { d.vbuf, 0 },
+        { d.vbuf, quint32(36 * 3 * sizeof(float)) }
+    };
+    cb->setVertexInput(0, 2, vbufBindings);
+    cb->draw(36);
+
+    m_imguiRenderer->render();
+
+    cb->endPass();
+}
+
+void Window::customGui()
+{
+    ImGui::ShowDemoWindow(&d.showDemoWindow);
+
+    ImGui::SetNextWindowPos(ImVec2(50, 120), ImGuiCond_FirstUseEver);
+    ImGui::SetNextWindowSize(ImVec2(400, 100), ImGuiCond_FirstUseEver);
+    ImGui::Begin("Test");
+    ImGui::SliderFloat("Rotation", &d.rotation, 0.0f, 360.0f);
+    ImGui::End();
+}