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| |
| #ifndef QSGRENDERER_P_H |
| #define QSGRENDERER_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 "qsgabstractrenderer.h" |
| #include "qsgabstractrenderer_p.h" |
| #include "qsgnode.h" |
| #include "qsgmaterial.h" |
| |
| #include <QtQuick/private/qsgcontext_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSGBindable; |
| class QSGNodeUpdater; |
| class QRhiRenderTarget; |
| class QRhiCommandBuffer; |
| class QRhiRenderPassDescriptor; |
| class QRhiResourceUpdateBatch; |
| |
| Q_QUICK_PRIVATE_EXPORT bool qsg_test_and_clear_fatal_render_error(); |
| Q_QUICK_PRIVATE_EXPORT void qsg_set_fatal_renderer_error(); |
| |
| class Q_QUICK_PRIVATE_EXPORT QSGRenderer : public QSGAbstractRenderer |
| { |
| public: |
| QSGRenderer(QSGRenderContext *context); |
| virtual ~QSGRenderer(); |
| |
| // Accessed by QSGMaterial[Rhi]Shader::RenderState. |
| QMatrix4x4 currentProjectionMatrix() const { return m_current_projection_matrix; } |
| QMatrix4x4 currentModelViewMatrix() const { return m_current_model_view_matrix; } |
| QMatrix4x4 currentCombinedMatrix() const { return m_current_projection_matrix * m_current_model_view_matrix; } |
| qreal currentOpacity() const { return m_current_opacity; } |
| qreal determinant() const { return m_current_determinant; } |
| |
| void setDevicePixelRatio(qreal ratio) { m_device_pixel_ratio = ratio; } |
| qreal devicePixelRatio() const { return m_device_pixel_ratio; } |
| QSGRenderContext *context() const { return m_context; } |
| |
| bool isMirrored() const; |
| void renderScene(const QSGBindable &bindable); |
| void renderScene(uint fboId = 0) override; |
| void nodeChanged(QSGNode *node, QSGNode::DirtyState state) override; |
| |
| QSGNodeUpdater *nodeUpdater() const; |
| void setNodeUpdater(QSGNodeUpdater *updater); |
| inline QSGMaterialShader::RenderState state(QSGMaterialShader::RenderState::DirtyStates dirty) const; |
| inline QSGMaterialRhiShader::RenderState rhiState(QSGMaterialRhiShader::RenderState::DirtyStates dirty) const; |
| virtual void setCustomRenderMode(const QByteArray &) { } |
| virtual bool hasCustomRenderModeWithContinuousUpdate() const { return false; } |
| virtual void releaseCachedResources() { } |
| |
| void clearChangedFlag() { m_changed_emitted = false; } |
| |
| // Accessed by QSGMaterialRhiShader::RenderState. |
| QByteArray *currentUniformData() const { return m_current_uniform_data; } |
| QRhiResourceUpdateBatch *currentResourceUpdateBatch() const { return m_current_resource_update_batch; } |
| QRhi *currentRhi() const { return m_rhi; } |
| |
| void setRenderTarget(QRhiRenderTarget *rt) { m_rt = rt; } |
| QRhiRenderTarget *renderTarget() const { return m_rt; } |
| |
| void setCommandBuffer(QRhiCommandBuffer *cb) { m_cb = cb; } |
| QRhiCommandBuffer *commandBuffer() const { return m_cb; } |
| |
| void setRenderPassDescriptor(QRhiRenderPassDescriptor *rpDesc) { m_rp_desc = rpDesc; } |
| QRhiRenderPassDescriptor *renderPassDescriptor() const { return m_rp_desc; } |
| |
| void setRenderPassRecordingCallbacks(QSGRenderContext::RenderPassCallback start, |
| QSGRenderContext::RenderPassCallback end, |
| void *userData) |
| { |
| m_renderPassRecordingCallbacks.start = start; |
| m_renderPassRecordingCallbacks.end = end; |
| m_renderPassRecordingCallbacks.userData = userData; |
| } |
| |
| protected: |
| virtual void render() = 0; |
| |
| const QSGBindable *bindable() const { return m_bindable; } |
| |
| virtual void preprocess(); |
| |
| void addNodesToPreprocess(QSGNode *node); |
| void removeNodesToPreprocess(QSGNode *node); |
| |
| QMatrix4x4 m_current_projection_matrix; // includes adjustment, where applicable, so can be treated as Y up in NDC always |
| QMatrix4x4 m_current_projection_matrix_native_ndc; // Vulkan has Y down in normalized device coordinates, others Y up... |
| QMatrix4x4 m_current_model_view_matrix; |
| qreal m_current_opacity; |
| qreal m_current_determinant; |
| qreal m_device_pixel_ratio; |
| |
| QSGRenderContext *m_context; |
| |
| QByteArray *m_current_uniform_data; |
| QRhiResourceUpdateBatch *m_current_resource_update_batch; |
| QRhi *m_rhi; |
| QRhiRenderTarget *m_rt; |
| QRhiCommandBuffer *m_cb; |
| QRhiRenderPassDescriptor *m_rp_desc; |
| struct { |
| QSGRenderContext::RenderPassCallback start = nullptr; |
| QSGRenderContext::RenderPassCallback end = nullptr; |
| void *userData = nullptr; |
| } m_renderPassRecordingCallbacks; |
| |
| private: |
| QSGNodeUpdater *m_node_updater; |
| |
| QSet<QSGNode *> m_nodes_to_preprocess; |
| QSet<QSGNode *> m_nodes_dont_preprocess; |
| |
| const QSGBindable *m_bindable; |
| |
| uint m_changed_emitted : 1; |
| uint m_is_rendering : 1; |
| uint m_is_preprocessing : 1; |
| }; |
| |
| class Q_QUICK_PRIVATE_EXPORT QSGBindable |
| { |
| public: |
| virtual ~QSGBindable() { } |
| virtual void bind() const = 0; |
| virtual void clear(QSGAbstractRenderer::ClearMode mode) const; |
| virtual void reactivate() const; |
| }; |
| #if QT_CONFIG(opengl) |
| class QSGBindableFboId : public QSGBindable |
| { |
| public: |
| QSGBindableFboId(GLuint); |
| void bind() const override; |
| private: |
| GLuint m_id; |
| }; |
| #endif |
| |
| |
| QSGMaterialShader::RenderState QSGRenderer::state(QSGMaterialShader::RenderState::DirtyStates dirty) const |
| { |
| QSGMaterialShader::RenderState s; |
| s.m_dirty = dirty; |
| s.m_data = this; |
| return s; |
| } |
| |
| QSGMaterialRhiShader::RenderState QSGRenderer::rhiState(QSGMaterialRhiShader::RenderState::DirtyStates dirty) const |
| { |
| QSGMaterialRhiShader::RenderState s; |
| s.m_dirty = dirty; |
| s.m_data = this; |
| return s; |
| } |
| |
| |
| class Q_QUICK_PRIVATE_EXPORT QSGNodeDumper : public QSGNodeVisitor { |
| |
| public: |
| static void dump(QSGNode *n); |
| |
| QSGNodeDumper() {} |
| void visitNode(QSGNode *n) override; |
| void visitChildren(QSGNode *n) override; |
| |
| private: |
| int m_indent = 0; |
| }; |
| |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif |