diff options
Diffstat (limited to 'src/plugins/scenegraph/d3d12/qsgd3d12rendercontext.cpp')
| -rw-r--r-- | src/plugins/scenegraph/d3d12/qsgd3d12rendercontext.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/d3d12/qsgd3d12rendercontext.cpp b/src/plugins/scenegraph/d3d12/qsgd3d12rendercontext.cpp new file mode 100644 index 0000000000..4ee4656e63 --- /dev/null +++ b/src/plugins/scenegraph/d3d12/qsgd3d12rendercontext.cpp @@ -0,0 +1,169 @@ +/**************************************************************************** +** +** 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 "qsgd3d12rendercontext_p.h" +#include "qsgd3d12renderer_p.h" +#include "qsgd3d12texture_p.h" + +QT_BEGIN_NAMESPACE + +// NOTE: Avoid categorized logging. It is slow. + +#define DECLARE_DEBUG_VAR(variable) \ + static bool debug_ ## variable() \ + { static bool value = qgetenv("QSG_RENDERER_DEBUG").contains(QT_STRINGIFY(variable)); return value; } + +DECLARE_DEBUG_VAR(render) + +QSGD3D12RenderContext::QSGD3D12RenderContext(QSGContext *ctx) + : QSGRenderContext(ctx) +{ +} + +bool QSGD3D12RenderContext::isValid() const +{ + // The render thread sets an engine when it starts up and resets when it + // quits. The rc is initialized and functional between those two points, + // regardless of any calls to invalidate(). See setEngine(). + return m_engine != nullptr; +} + +void QSGD3D12RenderContext::initialize(void *) +{ + if (m_initialized) + return; + + m_initialized = true; + emit initialized(); +} + +void QSGD3D12RenderContext::invalidate() +{ + if (!m_initialized) + return; + + m_initialized = false; + + if (Q_UNLIKELY(debug_render())) + qDebug("rendercontext invalidate engine %p, %d/%d/%d", m_engine, + m_texturesToDelete.count(), m_textures.count(), m_fontEnginesToClean.count()); + + qDeleteAll(m_texturesToDelete); + m_texturesToDelete.clear(); + + qDeleteAll(m_textures); + m_textures.clear(); + + for (QSet<QFontEngine *>::const_iterator it = m_fontEnginesToClean.constBegin(), + end = m_fontEnginesToClean.constEnd(); it != end; ++it) { + (*it)->clearGlyphCache(m_engine); + if (!(*it)->ref.deref()) + delete *it; + } + m_fontEnginesToClean.clear(); + + m_sg->renderContextInvalidated(this); + emit invalidated(); +} + +QSGTexture *QSGD3D12RenderContext::createTexture(const QImage &image, uint flags) const +{ + Q_ASSERT(m_engine); + QSGD3D12Texture *t = new QSGD3D12Texture(m_engine); + t->create(image, flags); + return t; +} + +QSGRenderer *QSGD3D12RenderContext::createRenderer() +{ + return new QSGD3D12Renderer(this); +} + +int QSGD3D12RenderContext::maxTextureSize() const +{ + return 16384; // D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION +} + +void QSGD3D12RenderContext::renderNextFrame(QSGRenderer *renderer, uint fbo) +{ + static_cast<QSGD3D12Renderer *>(renderer)->renderScene(fbo); +} + +void QSGD3D12RenderContext::setEngine(QSGD3D12Engine *engine) +{ + if (m_engine == engine) + return; + + m_engine = engine; + + if (m_engine) + initialize(nullptr); +} + +QSGRendererInterface::GraphicsApi QSGD3D12RenderContext::graphicsApi() const +{ + return Direct3D12; +} + +void *QSGD3D12RenderContext::getResource(QQuickWindow *window, Resource resource) const +{ + if (!m_engine) { + qWarning("getResource: No D3D12 engine available yet (window not exposed?)"); + return nullptr; + } + // window can be ignored since the rendercontext and engine are both per window + return m_engine->getResource(window, resource); +} + +QSGRendererInterface::ShaderType QSGD3D12RenderContext::shaderType() const +{ + return HLSL; +} + +QSGRendererInterface::ShaderCompilationTypes QSGD3D12RenderContext::shaderCompilationType() const +{ + return RuntimeCompilation | OfflineCompilation; +} + +QSGRendererInterface::ShaderSourceTypes QSGD3D12RenderContext::shaderSourceType() const +{ + return ShaderSourceString | ShaderSourceFile | ShaderByteCode; +} + +QT_END_NAMESPACE |