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Diffstat (limited to 'src/gui/rhi/qrhinull_p_p.h')
| -rw-r--r-- | src/gui/rhi/qrhinull_p_p.h | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/gui/rhi/qrhinull_p_p.h b/src/gui/rhi/qrhinull_p_p.h new file mode 100644 index 0000000000..b0227bc110 --- /dev/null +++ b/src/gui/rhi/qrhinull_p_p.h @@ -0,0 +1,294 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Gui module +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QRHINULL_P_H +#define QRHINULL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qrhinull_p.h" +#include "qrhi_p_p.h" + +QT_BEGIN_NAMESPACE + +struct QNullBuffer : public QRhiBuffer +{ + QNullBuffer(QRhiImplementation *rhi, Type type, UsageFlags usage, int size); + ~QNullBuffer(); + void release() override; + bool build() override; +}; + +struct QNullRenderBuffer : public QRhiRenderBuffer +{ + QNullRenderBuffer(QRhiImplementation *rhi, Type type, const QSize &pixelSize, + int sampleCount, QRhiRenderBuffer::Flags flags); + ~QNullRenderBuffer(); + void release() override; + bool build() override; + QRhiTexture::Format backingFormat() const override; +}; + +struct QNullTexture : public QRhiTexture +{ + QNullTexture(QRhiImplementation *rhi, Format format, const QSize &pixelSize, + int sampleCount, Flags flags); + ~QNullTexture(); + void release() override; + bool build() override; + bool buildFrom(const QRhiNativeHandles *src) override; + const QRhiNativeHandles *nativeHandles() override; + + QRhiNullTextureNativeHandles nativeHandlesStruct; +}; + +struct QNullSampler : public QRhiSampler +{ + QNullSampler(QRhiImplementation *rhi, Filter magFilter, Filter minFilter, Filter mipmapMode, + AddressMode u, AddressMode v); + ~QNullSampler(); + void release() override; + bool build() override; +}; + +struct QNullRenderPassDescriptor : public QRhiRenderPassDescriptor +{ + QNullRenderPassDescriptor(QRhiImplementation *rhi); + ~QNullRenderPassDescriptor(); + void release() override; +}; + +struct QNullRenderTargetData +{ + QNullRenderTargetData(QRhiImplementation *) { } + + QNullRenderPassDescriptor *rp = nullptr; + QSize pixelSize; + float dpr = 1; +}; + +struct QNullReferenceRenderTarget : public QRhiRenderTarget +{ + QNullReferenceRenderTarget(QRhiImplementation *rhi); + ~QNullReferenceRenderTarget(); + void release() override; + + QSize pixelSize() const override; + float devicePixelRatio() const override; + int sampleCount() const override; + + QNullRenderTargetData d; +}; + +struct QNullTextureRenderTarget : public QRhiTextureRenderTarget +{ + QNullTextureRenderTarget(QRhiImplementation *rhi, const QRhiTextureRenderTargetDescription &desc, Flags flags); + ~QNullTextureRenderTarget(); + void release() override; + + QSize pixelSize() const override; + float devicePixelRatio() const override; + int sampleCount() const override; + + QRhiRenderPassDescriptor *newCompatibleRenderPassDescriptor() override; + bool build() override; + + QNullRenderTargetData d; +}; + +struct QNullShaderResourceBindings : public QRhiShaderResourceBindings +{ + QNullShaderResourceBindings(QRhiImplementation *rhi); + ~QNullShaderResourceBindings(); + void release() override; + bool build() override; +}; + +struct QNullGraphicsPipeline : public QRhiGraphicsPipeline +{ + QNullGraphicsPipeline(QRhiImplementation *rhi); + ~QNullGraphicsPipeline(); + void release() override; + bool build() override; +}; + +struct QNullComputePipeline : public QRhiComputePipeline +{ + QNullComputePipeline(QRhiImplementation *rhi); + ~QNullComputePipeline(); + void release() override; + bool build() override; +}; + +struct QNullCommandBuffer : public QRhiCommandBuffer +{ + QNullCommandBuffer(QRhiImplementation *rhi); + ~QNullCommandBuffer(); + void release() override; +}; + +struct QNullSwapChain : public QRhiSwapChain +{ + QNullSwapChain(QRhiImplementation *rhi); + ~QNullSwapChain(); + void release() override; + + QRhiCommandBuffer *currentFrameCommandBuffer() override; + QRhiRenderTarget *currentFrameRenderTarget() override; + + QSize surfacePixelSize() override; + + QRhiRenderPassDescriptor *newCompatibleRenderPassDescriptor() override; + bool buildOrResize() override; + + QNullReferenceRenderTarget rt; + QNullCommandBuffer cb; + int frameCount = 0; +}; + +class QRhiNull : public QRhiImplementation +{ +public: + QRhiNull(QRhiNullInitParams *params); + + bool create(QRhi::Flags flags) override; + void destroy() override; + + QRhiGraphicsPipeline *createGraphicsPipeline() override; + QRhiComputePipeline *createComputePipeline() override; + QRhiShaderResourceBindings *createShaderResourceBindings() override; + QRhiBuffer *createBuffer(QRhiBuffer::Type type, + QRhiBuffer::UsageFlags usage, + int size) override; + QRhiRenderBuffer *createRenderBuffer(QRhiRenderBuffer::Type type, + const QSize &pixelSize, + int sampleCount, + QRhiRenderBuffer::Flags flags) override; + QRhiTexture *createTexture(QRhiTexture::Format format, + const QSize &pixelSize, + int sampleCount, + QRhiTexture::Flags flags) override; + QRhiSampler *createSampler(QRhiSampler::Filter magFilter, QRhiSampler::Filter minFilter, + QRhiSampler::Filter mipmapMode, + QRhiSampler:: AddressMode u, QRhiSampler::AddressMode v) override; + + QRhiTextureRenderTarget *createTextureRenderTarget(const QRhiTextureRenderTargetDescription &desc, + QRhiTextureRenderTarget::Flags flags) override; + + QRhiSwapChain *createSwapChain() override; + QRhi::FrameOpResult beginFrame(QRhiSwapChain *swapChain, QRhi::BeginFrameFlags flags) override; + QRhi::FrameOpResult endFrame(QRhiSwapChain *swapChain, QRhi::EndFrameFlags flags) override; + QRhi::FrameOpResult beginOffscreenFrame(QRhiCommandBuffer **cb) override; + QRhi::FrameOpResult endOffscreenFrame() override; + QRhi::FrameOpResult finish() override; + + void resourceUpdate(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) override; + + void beginPass(QRhiCommandBuffer *cb, + QRhiRenderTarget *rt, + const QColor &colorClearValue, + const QRhiDepthStencilClearValue &depthStencilClearValue, + QRhiResourceUpdateBatch *resourceUpdates) override; + void endPass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) override; + + void setGraphicsPipeline(QRhiCommandBuffer *cb, + QRhiGraphicsPipeline *ps) override; + + void setShaderResources(QRhiCommandBuffer *cb, + QRhiShaderResourceBindings *srb, + int dynamicOffsetCount, + const QRhiCommandBuffer::DynamicOffset *dynamicOffsets) override; + + void setVertexInput(QRhiCommandBuffer *cb, + int startBinding, int bindingCount, const QRhiCommandBuffer::VertexInput *bindings, + QRhiBuffer *indexBuf, quint32 indexOffset, + QRhiCommandBuffer::IndexFormat indexFormat) override; + + void setViewport(QRhiCommandBuffer *cb, const QRhiViewport &viewport) override; + void setScissor(QRhiCommandBuffer *cb, const QRhiScissor &scissor) override; + void setBlendConstants(QRhiCommandBuffer *cb, const QColor &c) override; + void setStencilRef(QRhiCommandBuffer *cb, quint32 refValue) override; + + void draw(QRhiCommandBuffer *cb, quint32 vertexCount, + quint32 instanceCount, quint32 firstVertex, quint32 firstInstance) override; + + void drawIndexed(QRhiCommandBuffer *cb, quint32 indexCount, + quint32 instanceCount, quint32 firstIndex, + qint32 vertexOffset, quint32 firstInstance) override; + + void debugMarkBegin(QRhiCommandBuffer *cb, const QByteArray &name) override; + void debugMarkEnd(QRhiCommandBuffer *cb) override; + void debugMarkMsg(QRhiCommandBuffer *cb, const QByteArray &msg) override; + + void beginComputePass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) override; + void endComputePass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) override; + void setComputePipeline(QRhiCommandBuffer *cb, QRhiComputePipeline *ps) override; + void dispatch(QRhiCommandBuffer *cb, int x, int y, int z) override; + + const QRhiNativeHandles *nativeHandles(QRhiCommandBuffer *cb) override; + void beginExternal(QRhiCommandBuffer *cb) override; + void endExternal(QRhiCommandBuffer *cb) override; + + QVector<int> supportedSampleCounts() const override; + int ubufAlignment() const override; + bool isYUpInFramebuffer() const override; + bool isYUpInNDC() const override; + bool isClipDepthZeroToOne() const override; + QMatrix4x4 clipSpaceCorrMatrix() const override; + bool isTextureFormatSupported(QRhiTexture::Format format, QRhiTexture::Flags flags) const override; + bool isFeatureSupported(QRhi::Feature feature) const override; + int resourceLimit(QRhi::ResourceLimit limit) const override; + const QRhiNativeHandles *nativeHandles() override; + void sendVMemStatsToProfiler() override; + void makeThreadLocalNativeContextCurrent() override; + + QRhiNullNativeHandles nativeHandlesStruct; + QRhiSwapChain *currentSwapChain = nullptr; + QNullCommandBuffer offscreenCommandBuffer; +}; + +QT_END_NAMESPACE + +#endif |