| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com> |
| ** Copyright (C) 2016 Robin Burchell <robin.burchell@viroteck.net> |
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| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** GNU Lesser General Public License Usage |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** 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 |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #ifndef QSGRHIVISUALIZER_P_H |
| #define QSGRHIVISUALIZER_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 "qsgbatchrenderer_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QSGBatchRenderer |
| { |
| |
| class RhiVisualizer : public Visualizer |
| { |
| public: |
| RhiVisualizer(Renderer *renderer); |
| ~RhiVisualizer(); |
| |
| void prepareVisualize() override; |
| void visualize() override; |
| |
| void releaseResources() override; |
| |
| struct DrawCall |
| { |
| static const int UBUF_SIZE = 152; // visualization.vert/frag |
| struct { |
| char data[UBUF_SIZE]; // matrix, rotation, color, pattern, projection |
| } uniforms; |
| struct { |
| QRhiGraphicsPipeline::Topology topology; |
| QRhiVertexInputAttribute::Format format; |
| int count; |
| int stride; |
| const void *data; // only when using own vbuf |
| } vertex; |
| struct { |
| QRhiCommandBuffer::IndexFormat format; |
| int count; |
| int stride; |
| const void *data; // only when using own ibuf |
| } index; |
| struct { |
| QRhiBuffer *vbuf; // either same for all draw calls and owned by the *Vis, or points to a Batch.Buffer.vbo.buf |
| int vbufOffset; |
| QRhiBuffer *ibuf; // same, but for index |
| int ibufOffset; |
| int ubufOffset; |
| } buf; |
| }; |
| |
| private: |
| QShader m_vs; |
| QShader m_fs; |
| |
| void recordDrawCalls(const QVector<DrawCall> &drawCalls, |
| QRhiCommandBuffer *cb, |
| QRhiShaderResourceBindings *srb, |
| bool blendOneOne = false); |
| |
| class PipelineCache { |
| public: |
| QRhiGraphicsPipeline *pipeline(RhiVisualizer *visualizer, |
| QRhi *rhi, |
| QRhiShaderResourceBindings *srb, |
| QRhiRenderPassDescriptor *rpDesc, |
| QRhiGraphicsPipeline::Topology topology, |
| QRhiVertexInputAttribute::Format vertexFormat, |
| quint32 vertexStride, |
| bool blendOneOne); |
| void releaseResources(); |
| private: |
| struct Pipeline { |
| QRhiGraphicsPipeline::Topology topology; |
| QRhiVertexInputAttribute::Format format; |
| quint32 stride; |
| QRhiGraphicsPipeline *ps; |
| }; |
| QVarLengthArray<Pipeline, 16> pipelines; |
| }; |
| |
| PipelineCache m_pipelines; |
| |
| class Fade { |
| public: |
| void prepare(RhiVisualizer *visualizer, |
| QRhi *rhi, QRhiResourceUpdateBatch *u, QRhiRenderPassDescriptor *rpDesc); |
| void releaseResources(); |
| void render(QRhiCommandBuffer *cb); |
| private: |
| RhiVisualizer *visualizer; |
| QRhiBuffer *vbuf = nullptr; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiGraphicsPipeline *ps = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| } m_fade; |
| |
| class ChangeVis { |
| public: |
| void prepare(Node *n, RhiVisualizer *visualizer, |
| QRhi *rhi, QRhiResourceUpdateBatch *u); |
| void releaseResources(); |
| void render(QRhiCommandBuffer *cb); |
| private: |
| void gather(Node *n); |
| RhiVisualizer *visualizer; |
| QVector<DrawCall> drawCalls; |
| QRhiBuffer *vbuf = nullptr; |
| QRhiBuffer *ibuf = nullptr; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| } m_changeVis; |
| |
| class BatchVis { |
| public: |
| void prepare(const QDataBuffer<Batch *> &opaqueBatches, |
| const QDataBuffer<Batch *> &alphaBatches, |
| RhiVisualizer *visualizer, |
| QRhi *rhi, QRhiResourceUpdateBatch *u, |
| bool forceUintIndex); |
| void releaseResources(); |
| void render(QRhiCommandBuffer *cb); |
| private: |
| void gather(Batch *b); |
| RhiVisualizer *visualizer; |
| bool forceUintIndex; |
| QVector<DrawCall> drawCalls; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| } m_batchVis; |
| |
| class ClipVis { |
| public: |
| void prepare(QSGNode *node, RhiVisualizer *visualizer, |
| QRhi *rhi, QRhiResourceUpdateBatch *u); |
| void releaseResources(); |
| void render(QRhiCommandBuffer *cb); |
| private: |
| void gather(QSGNode *node); |
| RhiVisualizer *visualizer; |
| QVector<DrawCall> drawCalls; |
| QRhiBuffer *vbuf = nullptr; |
| QRhiBuffer *ibuf = nullptr; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| } m_clipVis; |
| |
| class OverdrawVis { |
| public: |
| void prepare(Node *n, RhiVisualizer *visualizer, |
| QRhi *rhi, QRhiResourceUpdateBatch *u); |
| void releaseResources(); |
| void render(QRhiCommandBuffer *cb); |
| private: |
| void gather(Node *n); |
| RhiVisualizer *visualizer; |
| QVector<DrawCall> drawCalls; |
| QRhiBuffer *vbuf = nullptr; |
| QRhiBuffer *ibuf = nullptr; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| float step = 0.0f; |
| QMatrix4x4 rotation; |
| struct { |
| QRhiBuffer *vbuf = nullptr; |
| QRhiBuffer *ubuf = nullptr; |
| QRhiShaderResourceBindings *srb = nullptr; |
| QRhiGraphicsPipeline *ps = nullptr; |
| } box; |
| } m_overdrawVis; |
| |
| friend class Fade; |
| friend class PipelineCache; |
| friend class ChangeVis; |
| friend class ClipVis; |
| friend class OverdrawVis; |
| }; |
| |
| } // namespace QSGBatchRenderer |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSGRHIVISUALIZER_P_H |