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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Classes | Public Member Functions | Static Public Member Functions | List of all members
QSGRhiSupport Class Reference

#include <qsgrhisupport_p.h>

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Classes

struct  RhiCreateResult
 

Public Member Functions

void configure (QSGRendererInterface::GraphicsApi api)
 
QRhi::Implementation rhiBackend () const
 
QString rhiBackendName () const
 
QSGRendererInterface::GraphicsApi graphicsApi () const
 
QSurface::SurfaceType windowSurfaceType () const
 
const void * rifResource (QSGRendererInterface::Resource res, const QSGDefaultRenderContext *rc, const QQuickWindow *w)
 
QOffscreenSurface * maybeCreateOffscreenSurface (QWindow *window)
 
RhiCreateResult createRhi (QQuickWindow *window, QSurface *offscreenSurface, bool forcePreferSwRenderer=false)
 
void destroyRhi (QRhi *rhi, const QQuickGraphicsConfiguration &config)
 
void prepareWindowForRhi (QQuickWindow *window)
 
QImage grabOffscreen (QQuickWindow *window)
 
void applySwapChainFormat (QRhiSwapChain *scWithWindowSet, QQuickWindow *window)
 
QRhiTexture::Format toRhiTextureFormat (uint nativeFormat, QRhiTexture::Flags *flags) const
 
bool attemptReinitWithSwRastUponFail () const
 

Static Public Member Functions

static QSGRhiSupport * instance_internal ()
 
static QSGRhiSupport * instance ()
 
static int chooseSampleCount (int samples, QRhi *rhi)
 
static int chooseSampleCountForWindowWithRhi (QWindow *window, QRhi *rhi)
 
static QImage grabAndBlockInCurrentFrame (QRhi *rhi, QRhiCommandBuffer *cb, QRhiTexture *src=nullptr)
 
static void checkEnvQSgInfo ()
 

Detailed Description

Definition at line 37 of file qsgrhisupport_p.h.

Member Function Documentation

◆ applySwapChainFormat()

void QSGRhiSupport::applySwapChainFormat ( QRhiSwapChain * scWithWindowSet,
QQuickWindow * window )

Definition at line 1526 of file qsgrhisupport.cpp.

References QRhiSwapChain::HDR10, QRhiSwapChain::HDRExtendedDisplayP3Linear, QRhiSwapChain::HDRExtendedSrgbLinear, Q_ASSERT, QByteArrayLiteral, qCDebug, qgetenv(), QRhiSwapChain::SDR, and window().

Referenced by QSGGuiThreadRenderLoop::ensureRhi().

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◆ attemptReinitWithSwRastUponFail()

bool QSGRhiSupport::attemptReinitWithSwRastUponFail ( ) const

Definition at line 1609 of file qsgrhisupport.cpp.

References QRhi::D3D11, QRhi::D3D12, and rhiBackend().

Referenced by createRhi(), QSGGuiThreadRenderLoop::renderWindow(), and QSGRenderThread::syncAndRender().

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◆ checkEnvQSgInfo()

void QSGRhiSupport::checkEnvQSgInfo ( )
static

Definition at line 137 of file qsgrhisupport.cpp.

References qEnvironmentVariableIsSet(), and QtDebugMsg.

Referenced by QSGRenderLoop::instance().

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◆ chooseSampleCount()

int QSGRhiSupport::chooseSampleCount ( int samples,
QRhi * rhi )
static

Definition at line 864 of file qsgrhisupport.cpp.

References i, qEnvironmentVariableIntValue(), qEnvironmentVariableIsSet(), qMax(), qWarning, and QRhi::supportedSampleCounts().

Referenced by chooseSampleCountForWindowWithRhi(), createRhiRenderTarget(), createRhiRenderTargetMultiView(), createRhiRenderTargetWithDepthTexture(), and createRhiRenderTargetWithRenderBuffer().

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◆ chooseSampleCountForWindowWithRhi()

int QSGRhiSupport::chooseSampleCountForWindowWithRhi ( QWindow * window,
QRhi * rhi )
static

Definition at line 889 of file qsgrhisupport.cpp.

References chooseSampleCount(), QSurfaceFormat::defaultFormat(), qMax(), and window().

Referenced by QSGRenderThread::ensureRhi(), and QSGGuiThreadRenderLoop::ensureRhi().

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◆ configure()

void QSGRhiSupport::configure ( QSGRendererInterface::GraphicsApi api)

Definition at line 625 of file qsgrhisupport.cpp.

References api, QSGRendererInterface::isApiRhiBased(), Q_ASSERT, and QSGRendererInterface::Unknown.

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◆ createRhi()

QSGRhiSupport::RhiCreateResult QSGRhiSupport::createRhi ( QQuickWindow * window,
QSurface * offscreenSurface,
bool forcePreferSwRenderer = false )

Definition at line 1107 of file qsgrhisupport.cpp.

References attemptReinitWithSwRastUponFail(), backendName, QRhi::create(), QQuickWindowPrivate::customDeviceObjects, QRhi::D3D11, QRhi::D3D12, QQuickGraphicsConfiguration::deviceExtensions(), QRhi::EnableDebugMarkers, QRhi::EnablePipelineCacheDataSave, QRhi::EnableTimestamps, QQuickGraphicsDevicePrivate::get(), QQuickWindowPrivate::get(), QQuickWindowPrivate::graphicsConfig, QQuickGraphicsConfiguration::isAutomaticPipelineCacheEnabled(), isAutomaticPipelineCacheSaveSkippedForWindow(), QQuickGraphicsConfiguration::isDebugLayerEnabled(), QQuickGraphicsConfiguration::isDebugMarkersEnabled(), QString::isEmpty(), QRhi::Metal, QRhi::Null, QRhi::OpenGLES2, QQuickGraphicsConfiguration::pipelineCacheSaveFile(), QRhi::PreferSoftwareRenderer, QQuickGraphicsConfiguration::prefersSoftwareDevice(), prepareWindowForRhi(), Q_UNUSED, qCDebug, qPrintable, qWarning, rhiBackend(), rhiBackendName(), QRhi::SuppressSmokeTestWarnings, QQuickGraphicsConfiguration::timestampsEnabled(), QRhi::Vulkan, and window().

Referenced by QSGRenderThread::ensureRhi(), QSGGuiThreadRenderLoop::ensureRhi(), grabOffscreen(), and QQuickRenderControlPrivate::initRhi().

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◆ destroyRhi()

void QSGRhiSupport::destroyRhi ( QRhi * rhi,
const QQuickGraphicsConfiguration & config )

Definition at line 1291 of file qsgrhisupport.cpp.

References QRhi::isDeviceLost().

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◆ grabAndBlockInCurrentFrame()

QImage QSGRhiSupport::grabAndBlockInCurrentFrame ( QRhi * rhi,
QRhiCommandBuffer * cb,
QRhiTexture * src = nullptr )
static

Definition at line 1302 of file qsgrhisupport.cpp.

References QRhiTexture::BGRA8, cb, QRhi::finish(), QImage::Format_ARGB32_Premultiplied, QImage::Format_RGBA8888_Premultiplied, QRhi::isRecordingFrame(), QRhi::isYUpInFramebuffer(), QRhi::nextResourceUpdateBatch(), Q_ASSERT, and QRhiResourceUpdateBatch::readBackTexture().

Referenced by grabOffscreen().

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◆ grabOffscreen()

QImage QSGRhiSupport::grabOffscreen ( QQuickWindow * window)

Definition at line 1336 of file qsgrhisupport.cpp.

References QRhi::beginOffscreenFrame(), cb, QQuickWindowPrivate::cleanupNodesOnShutdown(), QQuickWindowPrivate::context, createRhi(), QRhiRenderBuffer::DepthStencil, QRhi::endOffscreenFrame(), QRhi::FrameOpSuccess, QQuickRenderTarget::fromRhiRenderTarget(), QQuickWindowPrivate::get(), grabAndBlockInCurrentFrame(), QSGRenderContext::initialize(), QSGRenderContext::invalidate(), maybeCreateOffscreenSurface(), QRhi::newRenderBuffer(), QRhi::newTexture(), QRhi::newTextureRenderTarget(), QQuickWindowPrivate::polishItems(), Q_ASSERT, qWarning, QQuickWindowPrivate::renderControl, QQuickWindowPrivate::renderSceneGraph(), QRhiTexture::RenderTarget, QRhiTexture::RGBA8, QQuickWindowPrivate::rhi, QSGDefaultRenderContext::InitParams::rhi, QQuickWindowPrivate::setCustomCommandBuffer(), QQuickWindowPrivate::syncSceneGraph(), QRhiTexture::UsedAsTransferSource, and window().

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◆ graphicsApi()

QSGRendererInterface::GraphicsApi QSGRhiSupport::graphicsApi ( ) const

Definition at line 658 of file qsgrhisupport.cpp.

References QRhi::D3D11, QRhi::D3D12, QSGRendererInterface::Direct3D11, QSGRendererInterface::Direct3D12, QRhi::Metal, QSGRendererInterface::Metal, QRhi::Null, QSGRendererInterface::Null, QSGRendererInterface::OpenGL, QRhi::OpenGLES2, QSGRendererInterface::Unknown, QRhi::Vulkan, and QSGRendererInterface::Vulkan.

◆ instance()

QSGRhiSupport * QSGRhiSupport::instance ( )
static

Definition at line 645 of file qsgrhisupport.cpp.

References instance_internal().

Referenced by QSGRenderThread::ensureRhi(), QSGGuiThreadRenderLoop::ensureRhi(), QSGRenderThread::event(), QSGDefaultContext::getResource(), QSGGuiThreadRenderLoop::grab(), QSGDefaultContext::graphicsApi(), QSGRenderLoop::handleContextCreationFailure(), QSGGuiThreadRenderLoop::handleDeviceLoss(), QQuickRenderControlPrivate::initRhi(), QSGRenderLoop::instance(), QSGRenderThread::invalidateGraphics(), SharedTextureRegistry::preinitialize(), QSGGuiThreadRenderLoop::renderWindow(), QQuickRenderControlPrivate::resetRhi(), QSGPlainTexture::setTextureFromNativeTexture(), QSGRenderThread::syncAndRender(), QSGGuiThreadRenderLoop::teardownGraphics(), QSGRenderThread::teardownGraphics(), QSGGuiThreadRenderLoop::windowDestroyed(), and QSGRenderLoop::windowSurfaceType().

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◆ instance_internal()

QSGRhiSupport * QSGRhiSupport::instance_internal ( )
static

Definition at line 639 of file qsgrhisupport.cpp.

Referenced by instance().

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◆ maybeCreateOffscreenSurface()

QOffscreenSurface * QSGRhiSupport::maybeCreateOffscreenSurface ( QWindow * window)

Definition at line 895 of file qsgrhisupport.cpp.

References QRhi::OpenGLES2, Q_UNUSED, rhiBackend(), and window().

Referenced by QSGGuiThreadRenderLoop::ensureRhi(), grabOffscreen(), and QQuickRenderControlPrivate::initRhi().

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◆ prepareWindowForRhi()

void QSGRhiSupport::prepareWindowForRhi ( QQuickWindow * window)

Definition at line 909 of file qsgrhisupport.cpp.

References QQuickWindowPrivate::get(), Q_UNUSED, qCDebug, QQuickWindowPrivate::renderControl, rhiBackend(), QRhi::Vulkan, and window().

Referenced by createRhi(), and QSGGuiThreadRenderLoop::ensureRhi().

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◆ rhiBackend()

QRhi::Implementation QSGRhiSupport::rhiBackend ( ) const
inline

Definition at line 65 of file qsgrhisupport_p.h.

Referenced by attemptReinitWithSwRastUponFail(), createRhi(), QQuickRenderControlPrivate::initRhi(), QSGRenderLoop::instance(), maybeCreateOffscreenSurface(), and prepareWindowForRhi().

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◆ rhiBackendName()

QString QSGRhiSupport::rhiBackendName ( ) const

Definition at line 653 of file qsgrhisupport.cpp.

References QRhi::backendName(), and QString::fromUtf8().

Referenced by createRhi().

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◆ rifResource()

const void * QSGRhiSupport::rifResource ( QSGRendererInterface::Resource res,
const QSGDefaultRenderContext * rc,
const QQuickWindow * w )

Definition at line 804 of file qsgrhisupport.cpp.

References cb, QSGDefaultRenderContext::currentFrameCommandBuffer(), QSGDefaultRenderContext::currentFrameRenderPass(), QRhi::D3D11, QRhi::D3D12, QQuickWindowPrivate::get(), QRhi::Metal, QRhiRenderPassDescriptor::nativeHandles(), QRhi::nativeHandles(), QRhi::OpenGLES2, QSGDefaultRenderContext::rhi(), QSGRendererInterface::RhiRedirectCommandBuffer, QSGRendererInterface::RhiRedirectRenderTarget, QSGRendererInterface::RhiResource, QSGRendererInterface::RhiSwapchainResource, and QRhi::Vulkan.

Referenced by QSGDefaultContext::getResource().

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◆ toRhiTextureFormat()

QRhiTexture::Format QSGRhiSupport::toRhiTextureFormat ( uint nativeFormat,
QRhiTexture::Flags * flags ) const

Definition at line 1581 of file qsgrhisupport.cpp.

References QRhi::D3D11, QRhi::D3D12, QRhi::Metal, QRhi::OpenGLES2, Q_UNUSED, QRhiTexture::UnknownFormat, and QRhi::Vulkan.

◆ windowSurfaceType()

QSurface::SurfaceType QSGRhiSupport::windowSurfaceType ( ) const

Definition at line 678 of file qsgrhisupport.cpp.

References QRhi::D3D11, QRhi::D3D12, QSurface::Direct3DSurface, QRhi::Metal, QSurface::MetalSurface, QRhi::OpenGLES2, QSurface::OpenGLSurface, QRhi::Vulkan, and QSurface::VulkanSurface.

Member Data Documentation

◆ api

QSGRendererInterface::GraphicsApi QSGRhiSupport::api

Definition at line 103 of file qsgrhisupport_p.h.

Referenced by configure().

◆ valid

bool QSGRhiSupport::valid = false

Definition at line 102 of file qsgrhisupport_p.h.

The documentation for this class was generated from the following files: