1 files changed, 148 insertions, 0 deletions
diff --git a/tests/manual/rhi/triquadcube/quadrenderer.cpp b/tests/manual/rhi/triquadcube/quadrenderer.cpp
new file mode 100644
index 0000000000..6137fb1b9a
--- /dev/null
+++ b/tests/manual/rhi/triquadcube/quadrenderer.cpp
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "quadrenderer.h"
+#include <QFile>
+#include <QtGui/private/qshader_p.h>
+
+// Renders a quad using indexed drawing. No QRhiGraphicsPipeline is created, it
+// expects to reuse the one created by TriangleRenderer. A separate
+// QRhiShaderResourceBindings is still needed, this will override the one the
+// QRhiGraphicsPipeline references.
+
+static float vertexData[] =
+{ // Y up (note m_proj), CCW
+  -0.5f,   0.5f,   1.0f, 0.0f, 0.0f,   0.0f, 0.0f,
+  -0.5f,  -0.5f,   0.0f, 1.0f, 0.0f,   0.0f, 1.0f,
+  0.5f,   -0.5f,   0.0f, 0.0f, 1.0f,   1.0f, 1.0f,
+  0.5f,   0.5f,    1.0f, 0.0f, 0.0f,   1.0f, 1.0f
+};
+
+static quint16 indexData[] =
+{
+    0, 1, 2, 0, 2, 3
+};
+
+void QuadRenderer::initResources(QRhiRenderPassDescriptor *)
+{
+    m_vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(vertexData));
+    m_vbuf->build();
+    m_vbufReady = false;
+
+    m_ibuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::IndexBuffer, sizeof(indexData));
+    m_ibuf->build();
+
+    m_ubuf = m_r->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, 68);
+    m_ubuf->build();
+
+    m_srb = m_r->newShaderResourceBindings();
+    m_srb->setBindings({
+        QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, m_ubuf)
+    });
+    m_srb->build();
+}
+
+void QuadRenderer::setPipeline(QRhiGraphicsPipeline *ps)
+{
+    m_ps = ps;
+}
+
+void QuadRenderer::resize(const QSize &pixelSize)
+{
+    m_proj = m_r->clipSpaceCorrMatrix();
+    m_proj.perspective(45.0f, pixelSize.width() / (float) pixelSize.height(), 0.01f, 100.0f);
+    m_proj.translate(0, 0, -4);
+}
+
+void QuadRenderer::releaseResources()
+{
+    delete m_srb;
+    m_srb = nullptr;
+
+    delete m_ubuf;
+    m_ubuf = nullptr;
+
+    delete m_ibuf;
+    m_ibuf = nullptr;
+
+    delete m_vbuf;
+    m_vbuf = nullptr;
+}
+
+void QuadRenderer::queueResourceUpdates(QRhiResourceUpdateBatch *resourceUpdates)
+{
+    if (!m_vbufReady) {
+        m_vbufReady = true;
+        resourceUpdates->uploadStaticBuffer(m_vbuf, vertexData);
+        resourceUpdates->uploadStaticBuffer(m_ibuf, indexData);
+    }
+
+    m_rotation += 1.0f;
+    QMatrix4x4 mvp = m_proj;
+    mvp.translate(m_translation);
+    mvp.rotate(m_rotation, 0, 1, 0);
+    resourceUpdates->updateDynamicBuffer(m_ubuf, 0, 64, mvp.constData());
+
+    if (!m_opacityReady) {
+        m_opacityReady = true;
+        const float opacity = 1.0f;
+        resourceUpdates->updateDynamicBuffer(m_ubuf, 64, 4, &opacity);
+    }
+}
+
+void QuadRenderer::queueDraw(QRhiCommandBuffer *cb, const QSize &/*outputSizeInPixels*/)
+{
+    cb->setGraphicsPipeline(m_ps);
+    //cb->setViewport(QRhiViewport(0, 0, outputSizeInPixels.width(), outputSizeInPixels.height()));
+    cb->setShaderResources(m_srb);
+    const QRhiCommandBuffer::VertexInput vbufBinding(m_vbuf, 0);
+    cb->setVertexInput(0, 1, &vbufBinding, m_ibuf, 0, QRhiCommandBuffer::IndexUInt16);
+    cb->drawIndexed(6);
+}