1 files changed, 0 insertions, 334 deletions
diff --git a/examples/quick/scenegraph/rendernode/metalrenderer.mm b/examples/quick/scenegraph/rendernode/metalrenderer.mm
deleted file mode 100644
index d78a54b88a..0000000000
--- a/examples/quick/scenegraph/rendernode/metalrenderer.mm
+++ /dev/null
@@ -1,334 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2019 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 "metalrenderer.h"
-#include <QQuickItem>
-#include <QQuickWindow>
-#include <QFile>
-
-#include <Metal/Metal.h>
-
-using FuncAndLib = QPair<id<MTLFunction>, id<MTLLibrary> >;
-
-const int MAX_FRAMES_IN_FLIGHT = 3;
-
-struct {
-    id<MTLDevice> dev = nil;
-    QByteArray vsSource;
-    FuncAndLib vs;
-    QByteArray fsSource;
-    FuncAndLib fs;
-    id<MTLBuffer> vbuf[MAX_FRAMES_IN_FLIGHT];
-    id<MTLBuffer> ubuf[MAX_FRAMES_IN_FLIGHT];
-    id<MTLDepthStencilState> stencilEnabledDsState = nil;
-    id<MTLRenderPipelineState> pipeline = nil;
-} g;
-
-static FuncAndLib compileShaderFromSource(const QByteArray &src, const QByteArray &entryPoint)
-{
-    FuncAndLib fl;
-
-    NSString *srcstr = [NSString stringWithUTF8String: src.constData()];
-    MTLCompileOptions *opts = [[MTLCompileOptions alloc] init];
-    opts.languageVersion = MTLLanguageVersion1_2;
-    NSError *err = nil;
-    fl.second = [g.dev newLibraryWithSource: srcstr options: opts error: &err];
-    [opts release];
-    // srcstr is autoreleased
-
-    if (err) {
-        const QString msg = QString::fromNSString(err.localizedDescription);
-        qFatal("%s", qPrintable(msg));
-        return fl;
-    }
-
-    NSString *name = [NSString stringWithUTF8String: entryPoint.constData()];
-    fl.first = [fl.second newFunctionWithName: name];
-    [name release];
-
-    return fl;
-}
-
-const int VERTEX_SIZE = 6 * sizeof(float);
-
-static float colors[] = {
-    1.0f, 0.0f, 0.0f,
-    0.0f, 1.0f, 0.0f,
-    0.0f, 0.0f, 1.0f
-};
-
-void MetalRenderNodeResourceBuilder::build()
-{
-    if (!g.dev) {
-        QSGRendererInterface *rif = m_window->rendererInterface();
-        Q_ASSERT(rif->graphicsApi() == QSGRendererInterface::MetalRhi);
-
-        g.dev = (id<MTLDevice>) rif->getResource(m_window, QSGRendererInterface::DeviceResource);
-        Q_ASSERT(g.dev);
-    }
-
-    if (g.vsSource.isEmpty()) {
-        const QString filename = QLatin1String(":/scenegraph/rendernode/metalshader.vert");
-        QFile f(filename);
-        if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
-            qFatal("Failed to read shader %s", qPrintable(filename));
-        g.vsSource = f.readAll();
-        g.vs = compileShaderFromSource(g.vsSource, QByteArrayLiteral("main0"));
-    }
-
-    if (g.fsSource.isEmpty()) {
-        const QString filename = QLatin1String(":/scenegraph/rendernode/metalshader.frag");
-        QFile f(filename);
-        if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
-            qFatal("Failed to read shader %s", qPrintable(filename));
-        g.fsSource = f.readAll();
-        g.fs = compileShaderFromSource(g.fsSource, QByteArrayLiteral("main0"));
-    }
-
-    const int framesInFlight = m_window->graphicsStateInfo().framesInFlight;
-
-    // For simplicity's sake we use shared mode (something like host visible +
-    // host coherent) for everything.
-
-    for (int i = 0; i < framesInFlight; ++i) {
-        // Have multiple versions for vertex too since we'll just memcpy new
-        // vertices based on item width and height on every render(). This could
-        // be optimized further however.
-        if (!g.vbuf[i]) {
-            g.vbuf[i] = [g.dev newBufferWithLength: VERTEX_SIZE + sizeof(colors) options: MTLResourceStorageModeShared];
-            char *p = (char *) [g.vbuf[i] contents];
-            memcpy(p + VERTEX_SIZE, colors, sizeof(colors));
-        }
-
-        if (!g.ubuf[i])
-            g.ubuf[i] = [g.dev newBufferWithLength: 256 options: MTLResourceStorageModeShared];
-    }
-
-    if (!g.stencilEnabledDsState) {
-        MTLDepthStencilDescriptor *dsDesc = [[MTLDepthStencilDescriptor alloc] init];
-        dsDesc.frontFaceStencil = [[MTLStencilDescriptor alloc] init];
-        dsDesc.frontFaceStencil.stencilFailureOperation = MTLStencilOperationKeep;
-        dsDesc.frontFaceStencil.depthFailureOperation = MTLStencilOperationKeep;
-        dsDesc.frontFaceStencil.depthStencilPassOperation = MTLStencilOperationKeep;
-        dsDesc.frontFaceStencil.stencilCompareFunction = MTLCompareFunctionEqual;
-        dsDesc.frontFaceStencil.readMask = 0xFF;
-        dsDesc.frontFaceStencil.writeMask = 0xFF;
-
-        dsDesc.backFaceStencil = [[MTLStencilDescriptor alloc] init];
-        dsDesc.backFaceStencil.stencilFailureOperation = MTLStencilOperationKeep;
-        dsDesc.backFaceStencil.depthFailureOperation = MTLStencilOperationKeep;
-        dsDesc.backFaceStencil.depthStencilPassOperation = MTLStencilOperationKeep;
-        dsDesc.backFaceStencil.stencilCompareFunction = MTLCompareFunctionEqual;
-        dsDesc.backFaceStencil.readMask = 0xFF;
-        dsDesc.backFaceStencil.writeMask = 0xFF;
-
-        g.stencilEnabledDsState = [g.dev newDepthStencilStateWithDescriptor: dsDesc];
-        [dsDesc release];
-    }
-
-    if (!g.pipeline) {
-        MTLVertexDescriptor *inputLayout = [MTLVertexDescriptor vertexDescriptor];
-        inputLayout.attributes[0].format = MTLVertexFormatFloat2;
-        inputLayout.attributes[0].offset = 0;
-        inputLayout.attributes[0].bufferIndex = 1; // ubuf is 0, vbuf is 1 and 2
-        inputLayout.attributes[1].format = MTLVertexFormatFloat3;
-        inputLayout.attributes[1].offset = 0;
-        inputLayout.attributes[1].bufferIndex = 2;
-        inputLayout.layouts[1].stride = 2 * sizeof(float);
-        inputLayout.layouts[2].stride = 3 * sizeof(float);
-
-        MTLRenderPipelineDescriptor *rpDesc = [[MTLRenderPipelineDescriptor alloc] init];
-        rpDesc.vertexDescriptor = inputLayout;
-
-        rpDesc.vertexFunction = g.vs.first;
-        rpDesc.fragmentFunction = g.fs.first;
-
-        rpDesc.colorAttachments[0].pixelFormat = MTLPixelFormatBGRA8Unorm;
-        rpDesc.colorAttachments[0].blendingEnabled = true;
-        rpDesc.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorOne;
-        rpDesc.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorOne;
-        rpDesc.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
-        rpDesc.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
-
-        if (g.dev.depth24Stencil8PixelFormatSupported) {
-            rpDesc.depthAttachmentPixelFormat = MTLPixelFormatDepth24Unorm_Stencil8;
-            rpDesc.stencilAttachmentPixelFormat = MTLPixelFormatDepth24Unorm_Stencil8;
-        } else {
-            rpDesc.depthAttachmentPixelFormat = MTLPixelFormatDepth32Float_Stencil8;
-            rpDesc.stencilAttachmentPixelFormat = MTLPixelFormatDepth32Float_Stencil8;
-        }
-
-        NSError *err = nil;
-        g.pipeline = [g.dev newRenderPipelineStateWithDescriptor: rpDesc error: &err];
-        if (!g.pipeline) {
-            const QString msg = QString::fromNSString(err.localizedDescription);
-            qFatal("Failed to create render pipeline state: %s", qPrintable(msg));
-        }
-        [rpDesc release];
-    }
-}
-
-MetalRenderNode::MetalRenderNode()
-{
-    g.vs.first = g.fs.first = nil;
-    g.vs.second = g.fs.second = nil;
-
-    for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i) {
-        g.vbuf[i] = nil;
-        g.ubuf[i] = nil;
-    }
-}
-
-MetalRenderNode::~MetalRenderNode()
-{
-    releaseResources();
-}
-
-void MetalRenderNode::releaseResources()
-{
-    [g.stencilEnabledDsState release];
-    g.stencilEnabledDsState = nil;
-
-    [g.pipeline release];
-    g.pipeline = nil;
-
-    [g.vs.first release];
-    [g.vs.second release];
-
-    [g.fs.first release];
-    [g.fs.second release];
-
-    g.vs.first = g.fs.first = nil;
-    g.vs.second = g.fs.second = nil;
-
-    for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i) {
-        [g.vbuf[i] release];
-        g.vbuf[i] = nil;
-        [g.ubuf[i] release];
-        g.ubuf[i] = nil;
-    }
-}
-
-void MetalRenderNode::render(const RenderState *state)
-{
-    Q_ASSERT(m_window);
-    const QQuickWindow::GraphicsStateInfo &stateInfo(m_window->graphicsStateInfo());
-    id<MTLBuffer> vbuf = g.vbuf[stateInfo.currentFrameSlot];
-    id<MTLBuffer> ubuf = g.ubuf[stateInfo.currentFrameSlot];
-
-    QPointF p0(m_width - 1, m_height - 1);
-    QPointF p1(0, 0);
-    QPointF p2(0, m_height - 1);
-
-    float vertices[6] = { float(p0.x()), float(p0.y()),
-                          float(p1.x()), float(p1.y()),
-                          float(p2.x()), float(p2.y()) };
-    char *p = (char *) [vbuf contents];
-    memcpy(p, vertices, VERTEX_SIZE);
-
-    const QMatrix4x4 mvp = *state->projectionMatrix() * *matrix();
-    const float opacity = inheritedOpacity();
-
-    p = (char *) [ubuf contents];
-    memcpy(p, mvp.constData(), 64);
-    memcpy(p + 64, &opacity, 4);
-
-    QSGRendererInterface *rif = m_window->rendererInterface();
-    id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>) rif->getResource(
-                m_window, QSGRendererInterface::CommandEncoderResource);
-    Q_ASSERT(encoder);
-
-    [encoder setVertexBuffer: vbuf offset: 0 atIndex: 1];
-    [encoder setVertexBuffer: vbuf offset: VERTEX_SIZE atIndex: 2];
-
-    [encoder setVertexBuffer: ubuf offset: 0 atIndex: 0];
-    [encoder setFragmentBuffer: ubuf offset: 0 atIndex: 0];
-
-    // Clip support.
-    if (state->scissorEnabled()) {
-        const QRect r = state->scissorRect(); // bottom-up
-        MTLScissorRect s;
-        s.x = r.x();
-        s.y = m_outputHeight - (r.y() + r.height());
-        s.width = r.width();
-        s.height = r.height();
-        [encoder setScissorRect: s];
-    }
-    if (state->stencilEnabled()) {
-        [encoder setDepthStencilState: g.stencilEnabledDsState];
-        [encoder setStencilReferenceValue: state->stencilValue()];
-    }
-
-    [encoder setRenderPipelineState: g.pipeline];
-    [encoder drawPrimitives: MTLPrimitiveTypeTriangle vertexStart: 0 vertexCount: 3 instanceCount: 1 baseInstance: 0];
-}
-
-QSGRenderNode::StateFlags MetalRenderNode::changedStates() const
-{
-    return BlendState | ScissorState | StencilState;
-}
-
-QSGRenderNode::RenderingFlags MetalRenderNode::flags() const
-{
-    return BoundedRectRendering | DepthAwareRendering;
-}
-
-QRectF MetalRenderNode::rect() const
-{
-    return QRect(0, 0, m_width, m_height);
-}
-
-void MetalRenderNode::sync(QQuickItem *item)
-{
-    m_window = item->window();
-    m_width = item->width();
-    m_height = item->height();
-    m_outputHeight = m_window->height() * m_window->effectiveDevicePixelRatio();
-}