1 files changed, 124 insertions, 0 deletions
diff --git a/src/quick/scenegraph/adaptations/d3d12/qsgd3d12texture.cpp b/src/quick/scenegraph/adaptations/d3d12/qsgd3d12texture.cpp
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+++ b/src/quick/scenegraph/adaptations/d3d12/qsgd3d12texture.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsgd3d12texture_p.h"
+#include "qsgd3d12engine_p.h"
+#include <private/qsgcontext_p.h>
+
+QT_BEGIN_NAMESPACE
+
+void QSGD3D12Texture::setImage(const QImage &image, uint flags)
+{
+    // ### mipmap, atlas
+
+    const bool alphaRequest = flags & QSGRenderContext::CreateTexture_Alpha;
+    m_alphaWanted = alphaRequest && image.hasAlphaChannel();
+
+    m_size = image.size();
+
+    QSGD3D12Engine::TextureCreateFlags createFlags = 0;
+    if (m_alphaWanted)
+        createFlags |= QSGD3D12Engine::CreateWithAlpha;
+
+    m_id = m_engine->createTexture(image.format(), image.size(), createFlags);
+    if (!m_id) {
+        qWarning("Failed to allocate texture of size %dx%d", image.width(), image.height());
+        return;
+    }
+
+    QSGD3D12Engine::TextureUploadFlags uploadFlags = 0;
+    m_engine->queueTextureUpload(m_id, image, uploadFlags);
+}
+
+QSGD3D12Texture::~QSGD3D12Texture()
+{
+    if (m_id)
+        m_engine->releaseTexture(m_id);
+}
+
+int QSGD3D12Texture::textureId() const
+{
+    return m_id;
+}
+
+QSize QSGD3D12Texture::textureSize() const
+{
+    return m_size;
+}
+
+bool QSGD3D12Texture::hasAlphaChannel() const
+{
+    return m_alphaWanted;
+}
+
+bool QSGD3D12Texture::hasMipmaps() const
+{
+    return false; // ###
+}
+
+QRectF QSGD3D12Texture::normalizedTextureSubRect() const
+{
+    return QRectF(0, 0, 1, 1);
+}
+
+bool QSGD3D12Texture::isAtlasTexture() const
+{
+    return false; // ###
+}
+
+QSGTexture *QSGD3D12Texture::removedFromAtlas() const
+{
+    return nullptr; // ###
+}
+
+void QSGD3D12Texture::bind()
+{
+    // Called when the texture material updates the pipeline state. Here we
+    // know that the texture is going to be used in the current frame. Notify
+    // the engine so that it can wait for possible pending uploads in endFrame().
+    m_engine->addFrameTextureDep(m_id);
+}
+
+SIZE_T QSGD3D12Texture::srv() const
+{
+    Q_ASSERT(m_id);
+    return m_engine->textureSRV(m_id);
+}
+
+QT_END_NAMESPACE