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Diffstat (limited to 'src/gui/rhi/qrhi_p_p.h')
| -rw-r--r-- | src/gui/rhi/qrhi_p_p.h | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/src/gui/rhi/qrhi_p_p.h b/src/gui/rhi/qrhi_p_p.h deleted file mode 100644 index c13b49ce3a..0000000000 --- a/src/gui/rhi/qrhi_p_p.h +++ /dev/null @@ -1,796 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2019 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Gui module -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QRHI_P_H -#define QRHI_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 "qrhi_p.h" -#include <QBitArray> -#include <QAtomicInt> -#include <QLoggingCategory> - -QT_BEGIN_NAMESPACE - -#define QRHI_RES(t, x) static_cast<t *>(x) -#define QRHI_RES_RHI(t) t *rhiD = static_cast<t *>(m_rhi) - -Q_DECLARE_LOGGING_CATEGORY(QRHI_LOG_INFO) - -class QRhiImplementation -{ -public: - virtual ~QRhiImplementation(); - - virtual bool create(QRhi::Flags flags) = 0; - virtual void destroy() = 0; - - virtual QRhiGraphicsPipeline *createGraphicsPipeline() = 0; - virtual QRhiComputePipeline *createComputePipeline() = 0; - virtual QRhiShaderResourceBindings *createShaderResourceBindings() = 0; - virtual QRhiBuffer *createBuffer(QRhiBuffer::Type type, - QRhiBuffer::UsageFlags usage, - int size) = 0; - virtual QRhiRenderBuffer *createRenderBuffer(QRhiRenderBuffer::Type type, - const QSize &pixelSize, - int sampleCount, - QRhiRenderBuffer::Flags flags, - QRhiTexture::Format backingFormatHint) = 0; - virtual QRhiTexture *createTexture(QRhiTexture::Format format, - const QSize &pixelSize, - int depth, - int arraySize, - int sampleCount, - QRhiTexture::Flags flags) = 0; - virtual QRhiSampler *createSampler(QRhiSampler::Filter magFilter, - QRhiSampler::Filter minFilter, - QRhiSampler::Filter mipmapMode, - QRhiSampler:: AddressMode u, - QRhiSampler::AddressMode v, - QRhiSampler::AddressMode w) = 0; - - virtual QRhiTextureRenderTarget *createTextureRenderTarget(const QRhiTextureRenderTargetDescription &desc, - QRhiTextureRenderTarget::Flags flags) = 0; - - virtual QRhiSwapChain *createSwapChain() = 0; - virtual QRhi::FrameOpResult beginFrame(QRhiSwapChain *swapChain, QRhi::BeginFrameFlags flags) = 0; - virtual QRhi::FrameOpResult endFrame(QRhiSwapChain *swapChain, QRhi::EndFrameFlags flags) = 0; - virtual QRhi::FrameOpResult beginOffscreenFrame(QRhiCommandBuffer **cb, QRhi::BeginFrameFlags flags) = 0; - virtual QRhi::FrameOpResult endOffscreenFrame(QRhi::EndFrameFlags flags) = 0; - virtual QRhi::FrameOpResult finish() = 0; - - virtual void resourceUpdate(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) = 0; - - virtual void beginPass(QRhiCommandBuffer *cb, - QRhiRenderTarget *rt, - const QColor &colorClearValue, - const QRhiDepthStencilClearValue &depthStencilClearValue, - QRhiResourceUpdateBatch *resourceUpdates, - QRhiCommandBuffer::BeginPassFlags flags) = 0; - virtual void endPass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) = 0; - - virtual void setGraphicsPipeline(QRhiCommandBuffer *cb, - QRhiGraphicsPipeline *ps) = 0; - - virtual void setShaderResources(QRhiCommandBuffer *cb, - QRhiShaderResourceBindings *srb, - int dynamicOffsetCount, - const QRhiCommandBuffer::DynamicOffset *dynamicOffsets) = 0; - - virtual void setVertexInput(QRhiCommandBuffer *cb, - int startBinding, int bindingCount, const QRhiCommandBuffer::VertexInput *bindings, - QRhiBuffer *indexBuf, quint32 indexOffset, - QRhiCommandBuffer::IndexFormat indexFormat) = 0; - - virtual void setViewport(QRhiCommandBuffer *cb, const QRhiViewport &viewport) = 0; - virtual void setScissor(QRhiCommandBuffer *cb, const QRhiScissor &scissor) = 0; - virtual void setBlendConstants(QRhiCommandBuffer *cb, const QColor &c) = 0; - virtual void setStencilRef(QRhiCommandBuffer *cb, quint32 refValue) = 0; - - virtual void draw(QRhiCommandBuffer *cb, quint32 vertexCount, - quint32 instanceCount, quint32 firstVertex, quint32 firstInstance) = 0; - virtual void drawIndexed(QRhiCommandBuffer *cb, quint32 indexCount, - quint32 instanceCount, quint32 firstIndex, - qint32 vertexOffset, quint32 firstInstance) = 0; - - virtual void debugMarkBegin(QRhiCommandBuffer *cb, const QByteArray &name) = 0; - virtual void debugMarkEnd(QRhiCommandBuffer *cb) = 0; - virtual void debugMarkMsg(QRhiCommandBuffer *cb, const QByteArray &msg) = 0; - - virtual void beginComputePass(QRhiCommandBuffer *cb, - QRhiResourceUpdateBatch *resourceUpdates, - QRhiCommandBuffer::BeginPassFlags flags) = 0; - virtual void endComputePass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) = 0; - virtual void setComputePipeline(QRhiCommandBuffer *cb, QRhiComputePipeline *ps) = 0; - virtual void dispatch(QRhiCommandBuffer *cb, int x, int y, int z) = 0; - - virtual const QRhiNativeHandles *nativeHandles(QRhiCommandBuffer *cb) = 0; - virtual void beginExternal(QRhiCommandBuffer *cb) = 0; - virtual void endExternal(QRhiCommandBuffer *cb) = 0; - - virtual QList<int> supportedSampleCounts() const = 0; - virtual int ubufAlignment() const = 0; - virtual bool isYUpInFramebuffer() const = 0; - virtual bool isYUpInNDC() const = 0; - virtual bool isClipDepthZeroToOne() const = 0; - virtual QMatrix4x4 clipSpaceCorrMatrix() const = 0; - virtual bool isTextureFormatSupported(QRhiTexture::Format format, QRhiTexture::Flags flags) const = 0; - virtual bool isFeatureSupported(QRhi::Feature feature) const = 0; - virtual int resourceLimit(QRhi::ResourceLimit limit) const = 0; - virtual const QRhiNativeHandles *nativeHandles() = 0; - virtual QRhiDriverInfo driverInfo() const = 0; - virtual QRhiMemAllocStats graphicsMemoryAllocationStatistics() = 0; - virtual bool makeThreadLocalNativeContextCurrent() = 0; - virtual void releaseCachedResources() = 0; - virtual bool isDeviceLost() const = 0; - - virtual QByteArray pipelineCacheData() = 0; - virtual void setPipelineCacheData(const QByteArray &data) = 0; - - bool isCompressedFormat(QRhiTexture::Format format) const; - void compressedFormatInfo(QRhiTexture::Format format, const QSize &size, - quint32 *bpl, quint32 *byteSize, - QSize *blockDim) const; - void textureFormatInfo(QRhiTexture::Format format, const QSize &size, - quint32 *bpl, quint32 *byteSize, quint32 *bytesPerPixel) const; - - // only really care about resources that own native graphics resources underneath - void registerResource(QRhiResource *res) - { - resources.insert(res); - } - - void unregisterResource(QRhiResource *res) - { - resources.remove(res); - } - - QSet<QRhiResource *> activeResources() const - { - return resources; - } - - void addDeleteLater(QRhiResource *res) - { - if (inFrame) - pendingDeleteResources.insert(res); - else - delete res; - } - - void addCleanupCallback(const QRhi::CleanupCallback &callback) - { - cleanupCallbacks.append(callback); - } - - void addGpuFrameTimeCallback(const QRhi::GpuFrameTimeCallback &callback) - { - gpuFrameTimeCallbacks.append(callback); - } - - bool hasGpuFrameTimeCallback() const - { - return !gpuFrameTimeCallbacks.isEmpty(); - } - - void runGpuFrameTimeCallbacks(float t) - { - for (const QRhi::GpuFrameTimeCallback &f : qAsConst(gpuFrameTimeCallbacks)) - f(t); - } - - bool sanityCheckGraphicsPipeline(QRhiGraphicsPipeline *ps); - bool sanityCheckShaderResourceBindings(QRhiShaderResourceBindings *srb); - void updateLayoutDesc(QRhiShaderResourceBindings *srb); - - quint32 pipelineCacheRhiId() const - { - const quint32 ver = (QT_VERSION_MAJOR << 16) | (QT_VERSION_MINOR << 8) | (QT_VERSION_PATCH); - return (quint32(implType) << 24) | ver; - } - - QRhi *q; - - static const int MAX_SHADER_CACHE_ENTRIES = 128; - - bool debugMarkers = false; - int currentFrameSlot = 0; // for vk, mtl, and similar. unused by gl and d3d11. - bool inFrame = false; - -private: - QRhi::Implementation implType; - QThread *implThread; - QVarLengthArray<QRhiResourceUpdateBatch *, 4> resUpdPool; - quint64 resUpdPoolMap = 0; - int lastResUpdIdx = -1; - QSet<QRhiResource *> resources; - QSet<QRhiResource *> pendingDeleteResources; - QVarLengthArray<QRhi::CleanupCallback, 4> cleanupCallbacks; - QVarLengthArray<QRhi::GpuFrameTimeCallback, 4> gpuFrameTimeCallbacks; - - friend class QRhi; - friend class QRhiResourceUpdateBatchPrivate; -}; - -template<typename T, size_t N> -bool qrhi_toTopLeftRenderTargetRect(const QSize &outputSize, const std::array<T, N> &r, - T *x, T *y, T *w, T *h) -{ - // x,y are bottom-left in QRhiScissor and QRhiViewport but top-left in - // Vulkan/Metal/D3D. Our input is an OpenGL-style scissor rect where both - // negative x or y, and partly or completely out of bounds rects are - // allowed. The only thing the input here cannot have is a negative width - // or height. We must handle all other input gracefully, clamping to a zero - // width or height rect in the worst case, and ensuring the resulting rect - // is inside the rendertarget's bounds because some APIs' validation/debug - // layers are allergic to out of bounds scissor or viewport rects. - - const T outputWidth = outputSize.width(); - const T outputHeight = outputSize.height(); - const T inputWidth = r[2]; - const T inputHeight = r[3]; - - if (inputWidth < 0 || inputHeight < 0) - return false; - - *x = r[0]; - *y = outputHeight - (r[1] + inputHeight); - - const T widthOffset = *x < 0 ? -*x : 0; - const T heightOffset = *y < 0 ? -*y : 0; - *w = *x < outputWidth ? qMax<T>(0, inputWidth - widthOffset) : 0; - *h = *y < outputHeight ? qMax<T>(0, inputHeight - heightOffset) : 0; - - *x = qBound<T>(0, *x, outputWidth - 1); - *y = qBound<T>(0, *y, outputHeight - 1); - - if (*x + *w > outputWidth) - *w = qMax<T>(0, outputWidth - *x); - if (*y + *h > outputHeight) - *h = qMax<T>(0, outputHeight - *y); - - return true; -} - -struct QRhiBufferDataPrivate -{ - Q_DISABLE_COPY_MOVE(QRhiBufferDataPrivate) - QRhiBufferDataPrivate() { } - ~QRhiBufferDataPrivate() { delete[] largeData; } - int ref = 1; - int size = 0; - int largeAlloc = 0; - char *largeData = nullptr; - static constexpr int SMALL_DATA_SIZE = 1024; - char data[SMALL_DATA_SIZE]; -}; - -// no detach-with-contents, no atomic refcount, no shrink -class QRhiBufferData -{ -public: - QRhiBufferData() = default; - ~QRhiBufferData() - { - if (d && !--d->ref) - delete d; - } - QRhiBufferData(const QRhiBufferData &other) - : d(other.d) - { - if (d) - d->ref += 1; - } - QRhiBufferData &operator=(const QRhiBufferData &other) - { - if (d == other.d) - return *this; - if (other.d) - other.d->ref += 1; - if (d && !--d->ref) - delete d; - d = other.d; - return *this; - } - const char *constData() const - { - return d->size <= QRhiBufferDataPrivate::SMALL_DATA_SIZE ? d->data : d->largeData; - } - int size() const - { - return d->size; - } - void assign(const char *s, int size) - { - if (!d) { - d = new QRhiBufferDataPrivate; - } else if (d->ref != 1) { - d->ref -= 1; - d = new QRhiBufferDataPrivate; - } - d->size = size; - if (size <= QRhiBufferDataPrivate::SMALL_DATA_SIZE) { - memcpy(d->data, s, size); - } else { - if (d->largeAlloc < size) { - delete[] d->largeData; - d->largeAlloc = size; - d->largeData = new char[size]; - } - memcpy(d->largeData, s, size); - } - } -private: - QRhiBufferDataPrivate *d = nullptr; -}; - -Q_DECLARE_TYPEINFO(QRhiBufferData, Q_RELOCATABLE_TYPE); - -class QRhiResourceUpdateBatchPrivate -{ -public: - struct BufferOp { - enum Type { - DynamicUpdate, - StaticUpload, - Read - }; - Type type; - QRhiBuffer *buf; - int offset; - QRhiBufferData data; - int readSize; - QRhiBufferReadbackResult *result; - - static BufferOp dynamicUpdate(QRhiBuffer *buf, int offset, int size, const void *data) - { - BufferOp op = {}; - op.type = DynamicUpdate; - op.buf = buf; - op.offset = offset; - const int effectiveSize = size ? size : buf->size(); - op.data.assign(reinterpret_cast<const char *>(data), effectiveSize); - return op; - } - - static void changeToDynamicUpdate(BufferOp *op, QRhiBuffer *buf, int offset, int size, const void *data) - { - op->type = DynamicUpdate; - op->buf = buf; - op->offset = offset; - const int effectiveSize = size ? size : buf->size(); - op->data.assign(reinterpret_cast<const char *>(data), effectiveSize); - } - - static BufferOp staticUpload(QRhiBuffer *buf, int offset, int size, const void *data) - { - BufferOp op = {}; - op.type = StaticUpload; - op.buf = buf; - op.offset = offset; - const int effectiveSize = size ? size : buf->size(); - op.data.assign(reinterpret_cast<const char *>(data), effectiveSize); - return op; - } - - static void changeToStaticUpload(BufferOp *op, QRhiBuffer *buf, int offset, int size, const void *data) - { - op->type = StaticUpload; - op->buf = buf; - op->offset = offset; - const int effectiveSize = size ? size : buf->size(); - op->data.assign(reinterpret_cast<const char *>(data), effectiveSize); - } - - static BufferOp read(QRhiBuffer *buf, int offset, int size, QRhiBufferReadbackResult *result) - { - BufferOp op = {}; - op.type = Read; - op.buf = buf; - op.offset = offset; - op.readSize = size; - op.result = result; - return op; - } - }; - - struct TextureOp { - enum Type { - Upload, - Copy, - Read, - GenMips - }; - Type type; - QRhiTexture *dst; - // Specifying multiple uploads for a subresource must be supported. - // In the backend this can then end up, where applicable, as a - // single, batched copy operation with only one set of barriers. - // This helps when doing for example glyph cache fills. - using MipLevelUploadList = std::array<QVector<QRhiTextureSubresourceUploadDescription>, QRhi::MAX_MIP_LEVELS>; - QVarLengthArray<MipLevelUploadList, 6> subresDesc; - QRhiTexture *src; - QRhiTextureCopyDescription desc; - QRhiReadbackDescription rb; - QRhiReadbackResult *result; - - static TextureOp upload(QRhiTexture *tex, const QRhiTextureUploadDescription &desc) - { - TextureOp op = {}; - op.type = Upload; - op.dst = tex; - int maxLayer = -1; - for (auto it = desc.cbeginEntries(), itEnd = desc.cendEntries(); it != itEnd; ++it) { - if (it->layer() > maxLayer) - maxLayer = it->layer(); - } - op.subresDesc.resize(maxLayer + 1); - for (auto it = desc.cbeginEntries(), itEnd = desc.cendEntries(); it != itEnd; ++it) - op.subresDesc[it->layer()][it->level()].append(it->description()); - return op; - } - - static TextureOp copy(QRhiTexture *dst, QRhiTexture *src, const QRhiTextureCopyDescription &desc) - { - TextureOp op = {}; - op.type = Copy; - op.dst = dst; - op.src = src; - op.desc = desc; - return op; - } - - static TextureOp read(const QRhiReadbackDescription &rb, QRhiReadbackResult *result) - { - TextureOp op = {}; - op.type = Read; - op.rb = rb; - op.result = result; - return op; - } - - static TextureOp genMips(QRhiTexture *tex) - { - TextureOp op = {}; - op.type = GenMips; - op.dst = tex; - return op; - } - }; - - int activeBufferOpCount = 0; // this is the real number of used elements in bufferOps, not bufferOps.count() - static const int BUFFER_OPS_STATIC_ALLOC = 1024; - QVarLengthArray<BufferOp, BUFFER_OPS_STATIC_ALLOC> bufferOps; - - int activeTextureOpCount = 0; // this is the real number of used elements in textureOps, not textureOps.count() - static const int TEXTURE_OPS_STATIC_ALLOC = 256; - QVarLengthArray<TextureOp, TEXTURE_OPS_STATIC_ALLOC> textureOps; - - QRhiResourceUpdateBatch *q = nullptr; - QRhiImplementation *rhi = nullptr; - int poolIndex = -1; - - void free(); - void merge(QRhiResourceUpdateBatchPrivate *other); - bool hasOptimalCapacity() const; - void trimOpLists(); - - static QRhiResourceUpdateBatchPrivate *get(QRhiResourceUpdateBatch *b) { return b->d; } -}; - -template<typename T> -struct QRhiBatchedBindings -{ - void feed(int binding, T resource) { // binding must be strictly increasing - if (curBinding == -1 || binding > curBinding + 1) { - finish(); - curBatch.startBinding = binding; - curBatch.resources.clear(); - curBatch.resources.append(resource); - } else { - Q_ASSERT(binding == curBinding + 1); - curBatch.resources.append(resource); - } - curBinding = binding; - } - - bool finish() { - if (!curBatch.resources.isEmpty()) - batches.append(curBatch); - return !batches.isEmpty(); - } - - void clear() { - batches.clear(); - curBatch.resources.clear(); - curBinding = -1; - } - - struct Batch { - uint startBinding; - QVarLengthArray<T, 4> resources; - - bool operator==(const Batch &other) const - { - return startBinding == other.startBinding && resources == other.resources; - } - - bool operator!=(const Batch &other) const - { - return !operator==(other); - } - }; - - QVarLengthArray<Batch, 4> batches; // sorted by startBinding - - bool operator==(const QRhiBatchedBindings<T> &other) const - { - return batches == other.batches; - } - - bool operator!=(const QRhiBatchedBindings<T> &other) const - { - return !operator==(other); - } - -private: - Batch curBatch; - int curBinding = -1; -}; - -class QRhiGlobalObjectIdGenerator -{ -public: -#ifdef Q_ATOMIC_INT64_IS_SUPPORTED - using Type = quint64; -#else - using Type = quint32; -#endif - static Type newId(); -}; - -class QRhiPassResourceTracker -{ -public: - bool isEmpty() const; - void reset(); - - struct UsageState { - int layout; - int access; - int stage; - }; - - enum BufferStage { - BufVertexInputStage, - BufVertexStage, - BufTCStage, - BufTEStage, - BufFragmentStage, - BufComputeStage - }; - - enum BufferAccess { - BufVertexInput, - BufIndexRead, - BufUniformRead, - BufStorageLoad, - BufStorageStore, - BufStorageLoadStore - }; - - void registerBuffer(QRhiBuffer *buf, int slot, BufferAccess *access, BufferStage *stage, - const UsageState &state); - - enum TextureStage { - TexVertexStage, - TexTCStage, - TexTEStage, - TexFragmentStage, - TexColorOutputStage, - TexDepthOutputStage, - TexComputeStage - }; - - enum TextureAccess { - TexSample, - TexColorOutput, - TexDepthOutput, - TexStorageLoad, - TexStorageStore, - TexStorageLoadStore - }; - - void registerTexture(QRhiTexture *tex, TextureAccess *access, TextureStage *stage, - const UsageState &state); - - struct Buffer { - int slot; - BufferAccess access; - BufferStage stage; - UsageState stateAtPassBegin; - }; - - using BufferIterator = QHash<QRhiBuffer *, Buffer>::const_iterator; - BufferIterator cbeginBuffers() const { return m_buffers.cbegin(); } - BufferIterator cendBuffers() const { return m_buffers.cend(); } - - struct Texture { - TextureAccess access; - TextureStage stage; - UsageState stateAtPassBegin; - }; - - using TextureIterator = QHash<QRhiTexture *, Texture>::const_iterator; - TextureIterator cbeginTextures() const { return m_textures.cbegin(); } - TextureIterator cendTextures() const { return m_textures.cend(); } - - static BufferStage toPassTrackerBufferStage(QRhiShaderResourceBinding::StageFlags stages); - static TextureStage toPassTrackerTextureStage(QRhiShaderResourceBinding::StageFlags stages); - -private: - QHash<QRhiBuffer *, Buffer> m_buffers; - QHash<QRhiTexture *, Texture> m_textures; -}; - -Q_DECLARE_TYPEINFO(QRhiPassResourceTracker::Buffer, Q_RELOCATABLE_TYPE); -Q_DECLARE_TYPEINFO(QRhiPassResourceTracker::Texture, Q_RELOCATABLE_TYPE); - -template<typename T, int GROW = 1024> -class QRhiBackendCommandList -{ -public: - QRhiBackendCommandList() = default; - ~QRhiBackendCommandList() { delete[] v; } - inline void reset() { p = 0; } - inline bool isEmpty() const { return p == 0; } - inline T &get() { - if (p == a) { - a += GROW; - T *nv = new T[a]; - if (v) { - memcpy(nv, v, p * sizeof(T)); - delete[] v; - } - v = nv; - } - return v[p++]; - } - inline void unget() { --p; } - inline T *cbegin() const { return v; } - inline T *cend() const { return v + p; } - inline T *begin() { return v; } - inline T *end() { return v + p; } -private: - Q_DISABLE_COPY(QRhiBackendCommandList) - T *v = nullptr; - int a = 0; - int p = 0; -}; - -struct QRhiRenderTargetAttachmentTracker -{ - struct ResId { quint64 id; uint generation; }; - using ResIdList = QVarLengthArray<ResId, 8 * 2 + 1>; // color, resolve, ds - - template<typename TexType, typename RenderBufferType> - static void updateResIdList(const QRhiTextureRenderTargetDescription &desc, ResIdList *dst); - - template<typename TexType, typename RenderBufferType> - static bool isUpToDate(const QRhiTextureRenderTargetDescription &desc, const ResIdList ¤tResIdList); -}; - -inline bool operator==(const QRhiRenderTargetAttachmentTracker::ResId &a, const QRhiRenderTargetAttachmentTracker::ResId &b) -{ - return a.id == b.id && a.generation == b.generation; -} - -inline bool operator!=(const QRhiRenderTargetAttachmentTracker::ResId &a, const QRhiRenderTargetAttachmentTracker::ResId &b) -{ - return !(a == b); -} - -template<typename TexType, typename RenderBufferType> -void QRhiRenderTargetAttachmentTracker::updateResIdList(const QRhiTextureRenderTargetDescription &desc, ResIdList *dst) -{ - const quintptr colorAttCount = desc.cendColorAttachments() - desc.cbeginColorAttachments(); - const bool hasDepthStencil = desc.depthStencilBuffer() || desc.depthTexture(); - dst->resize(colorAttCount * 2 + (hasDepthStencil ? 1 : 0)); - int n = 0; - for (auto it = desc.cbeginColorAttachments(), itEnd = desc.cendColorAttachments(); it != itEnd; ++it, ++n) { - const QRhiColorAttachment &colorAtt(*it); - if (colorAtt.texture()) { - TexType *texD = QRHI_RES(TexType, colorAtt.texture()); - (*dst)[n] = { texD->globalResourceId(), texD->generation }; - } else if (colorAtt.renderBuffer()) { - RenderBufferType *rbD = QRHI_RES(RenderBufferType, colorAtt.renderBuffer()); - (*dst)[n] = { rbD->globalResourceId(), rbD->generation }; - } else { - (*dst)[n] = { 0, 0 }; - } - ++n; - if (colorAtt.resolveTexture()) { - TexType *texD = QRHI_RES(TexType, colorAtt.resolveTexture()); - (*dst)[n] = { texD->globalResourceId(), texD->generation }; - } else { - (*dst)[n] = { 0, 0 }; - } - } - if (hasDepthStencil) { - if (desc.depthTexture()) { - TexType *depthTexD = QRHI_RES(TexType, desc.depthTexture()); - (*dst)[n] = { depthTexD->globalResourceId(), depthTexD->generation }; - } else if (desc.depthStencilBuffer()) { - RenderBufferType *depthRbD = QRHI_RES(RenderBufferType, desc.depthStencilBuffer()); - (*dst)[n] = { depthRbD->globalResourceId(), depthRbD->generation }; - } else { - (*dst)[n] = { 0, 0 }; - } - } -} - -template<typename TexType, typename RenderBufferType> -bool QRhiRenderTargetAttachmentTracker::isUpToDate(const QRhiTextureRenderTargetDescription &desc, const ResIdList ¤tResIdList) -{ - // Just as setShaderResources() recognizes if an srb's referenced - // resources have been rebuilt (got a create() since the srb's - // create()), we should do the same for the textures and renderbuffers - // referenced from the rendertarget. It is not uncommon that a texture - // or ds buffer gets resized due to following a window size in some - // form, which involves a create() on them. It is then nice if the - // render target auto-rebuilds in beginPass(). - - ResIdList resIdList; - updateResIdList<TexType, RenderBufferType>(desc, &resIdList); - return resIdList == currentResIdList; -} - -QT_END_NAMESPACE - -#endif |