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MayaFlux::Buffers::GeometryBuffer Class Reference
Specialized buffer for generative geometry from GeometryWriterNode. More...
#include <GeometryBuffer.hpp>
Inheritance diagram for MayaFlux::Buffers::GeometryBuffer:
Collaboration diagram for MayaFlux::Buffers::GeometryBuffer:
Classes | |
| struct | RenderConfig |
Public Member Functions | |
| GeometryBuffer (std::shared_ptr< Nodes::GpuSync::GeometryWriterNode > node, const std::string &binding_name="geometry", float over_allocate_factor=1.5f) | |
| Create geometry buffer from generative node. | |
| ~GeometryBuffer () override=default | |
| void | setup_processors (ProcessingToken token) override |
| Initialize the buffer and its processors. | |
| std::shared_ptr< Nodes::GpuSync::GeometryWriterNode > | get_geometry_node () const |
| Get the geometry node driving this buffer. | |
| std::shared_ptr< GeometryBindingsProcessor > | get_bindings_processor () const |
| Get the bindings processor managing uploads. | |
| const std::string & | get_binding_name () const |
| Get the logical binding name. | |
| uint32_t | get_vertex_count () const |
| Get current vertex count from node. | |
| void | update_geometry () |
| Trigger vertex computation on the node. | |
| void | setup_rendering (const RenderConfig &config) |
| Setup rendering with RenderProcessor. | |
| std::shared_ptr< RenderProcessor > | get_render_processor () const |
| Public Member Functions inherited from MayaFlux::Buffers::VKBuffer | |
| VKBuffer (size_t size_bytes, Usage usage, Kakshya::DataModality modality) | |
| Construct an unregistered VKBuffer. | |
| VKBuffer ()=default | |
| ~VKBuffer () override | |
| Virtual destructor. | |
| void | clear () override |
| Clear buffer contents. | |
| std::vector< Kakshya::DataVariant > | get_data () |
| Read buffer contents as Kakshya DataVariant. | |
| void | set_data (const std::vector< Kakshya::DataVariant > &data) |
| Write data into the buffer. | |
| void | resize (size_t new_size, bool preserve_data=false) |
| Resize buffer and recreate GPU resources if needed. | |
| size_t | get_size () const |
| Get current logical size in bytes. | |
| void | process_default () override |
| Run the buffer's default processor (if set and enabled) | |
| void | set_default_processor (std::shared_ptr< Buffers::BufferProcessor > processor) override |
| Set the buffer's default processor. | |
| std::shared_ptr< Buffers::BufferProcessor > | get_default_processor () const override |
| Get the currently attached default processor. | |
| std::shared_ptr< Buffers::BufferProcessingChain > | get_processing_chain () override |
| Access the buffer's processing chain. | |
| void | set_processing_chain (std::shared_ptr< Buffers::BufferProcessingChain > chain, bool force=false) override |
| Replace the buffer's processing chain. | |
| bool | has_data_for_cycle () const override |
| Checks if the buffer has data for the current processing cycle. | |
| bool | needs_removal () const override |
| Checks if the buffer should be removed from processing chains. | |
| void | mark_for_processing (bool has_data) override |
| Marks the buffer's data availability for the current processing cycle. | |
| void | mark_for_removal () override |
| Marks the buffer for removal from processing chains. | |
| void | enforce_default_processing (bool should_process) override |
| Controls whether the buffer should use default processing. | |
| bool | needs_default_processing () override |
| Checks if the buffer should undergo default processing. | |
| bool | try_acquire_processing () override |
| Try to acquire processing lock for this buffer. | |
| void | release_processing () override |
| Release previously acquired processing lock. | |
| bool | is_processing () const override |
| Query whether the buffer is currently being processed. | |
| vk::Buffer & | get_buffer () |
| Get VkBuffer handle (VK_NULL_HANDLE if not registered) | |
| vk::DeviceSize | get_size_bytes () const |
| vk::Format | get_format () const |
| Convert modality to a recommended VkFormat. | |
| bool | is_initialized () const |
| Check whether Vulkan handles are present (buffer registered) | |
| Kakshya::DataModality | get_modality () const |
| Get the buffer's semantic modality. | |
| const std::vector< Kakshya::DataDimension > & | get_dimensions () const |
| Get the inferred data dimensions for the buffer contents. | |
| void | set_modality (Kakshya::DataModality modality) |
| Update the semantic modality and re-infer dimensions. | |
| Usage | get_usage () const |
| Retrieve the declared usage intent. | |
| void | set_buffer (vk::Buffer buffer) |
| Set VkBuffer handle after backend allocation. | |
| void | set_memory (vk::DeviceMemory memory) |
| Set device memory handle after backend allocation. | |
| void | set_mapped_ptr (void *ptr) |
| Set mapped host pointer (for host-visible allocations) | |
| void | set_buffer_resources (const VKBufferResources &resources) |
| Set all buffer resources at once. | |
| const VKBufferResources & | get_buffer_resources () |
| Get all buffer resources at once. | |
| bool | is_host_visible () const |
| Whether this VKBuffer should be host-visible. | |
| vk::BufferUsageFlags | get_usage_flags () const |
| Get appropriate VkBufferUsageFlags for creation based on Usage. | |
| vk::MemoryPropertyFlags | get_memory_properties () const |
| Get appropriate VkMemoryPropertyFlags for allocation based on Usage. | |
| void * | get_mapped_ptr () const |
| Get mapped host pointer (nullptr if not host-visible or unmapped) | |
| void | mark_dirty_range (size_t offset, size_t size) |
| Get device memory handle. | |
| void | mark_invalid_range (size_t offset, size_t size) |
| Mark a range as invalid (needs download) | |
| std::vector< std::pair< size_t, size_t > > | get_and_clear_dirty_ranges () |
| Retrieve and clear all dirty ranges. | |
| std::vector< std::pair< size_t, size_t > > | get_and_clear_invalid_ranges () |
| Retrieve and clear all invalid ranges. | |
| void | set_pipeline_window (RenderPipelineID id, const std::shared_ptr< Core::Window > &window) |
| Associate this buffer with a window for rendering. | |
| std::shared_ptr< Core::Window > | get_pipeline_window (RenderPipelineID id) const |
| Get the window associated with this buffer. | |
| bool | has_render_pipeline () const |
| Check if this buffer has a rendering pipeline configured. | |
| std::unordered_map< RenderPipelineID, std::shared_ptr< Core::Window > > | get_render_pipelines () const |
| Get all render pipelines associated with this buffer. | |
| void | set_pipeline_command (RenderPipelineID pipeline_id, CommandBufferID cmd_id) |
| Store recorded command buffer for a pipeline. | |
| CommandBufferID | get_pipeline_command (RenderPipelineID pipeline_id) const |
| Get recorded command buffer for a pipeline. | |
| void | clear_pipeline_commands () |
| Clear all recorded commands (called after presentation) | |
| void | set_vertex_layout (const Kakshya::VertexLayout &layout) |
| Set vertex layout for this buffer. | |
| std::optional< Kakshya::VertexLayout > | get_vertex_layout () const |
| Get vertex layout if set. | |
| bool | has_vertex_layout () const |
| Check if this buffer has vertex layout configured. | |
| void | clear_vertex_layout () |
| Clear vertex layout. | |
| std::shared_ptr< Buffer > | clone_to (uint8_t dest_desc) override |
| Creates a clone of this buffer for a specific channel or usage enum. | |
| std::shared_ptr< VKBuffer > | clone_to (Usage usage) |
| Create a clone of this buffer with the same data and properties. | |
| void | force_internal_usage (bool internal) override |
| Set whether this buffer is for internal engine usage. | |
| bool | is_internal_only () const override |
| Check whether this buffer is for internal engine usage. | |
| Public Member Functions inherited from MayaFlux::Buffers::Buffer | |
| virtual | ~Buffer ()=default |
| Virtual destructor for proper resource management. | |
Static Private Member Functions | |
| static size_t | calculate_buffer_size (const std::shared_ptr< Nodes::GpuSync::GeometryWriterNode > &node, float over_allocate_factor) |
| Calculate initial buffer size with optional over-allocation. | |
Private Attributes | |
| std::shared_ptr< Nodes::GpuSync::GeometryWriterNode > | m_geometry_node |
| std::shared_ptr< GeometryBindingsProcessor > | m_bindings_processor |
| std::string | m_binding_name |
| std::shared_ptr< RenderProcessor > | m_render_processor |
Additional Inherited Members | |
| Public Types inherited from MayaFlux::Buffers::VKBuffer | |
| enum class | Usage : uint8_t { STAGING , DEVICE , COMPUTE , VERTEX , INDEX , UNIFORM } |
Detailed Description
Specialized buffer for generative geometry from GeometryWriterNode.
Automatically handles CPU→GPU upload of procedurally generated vertices. Designed for algorithmic geometry generation: particles, simulations, procedural meshes, data visualizations, etc.
Philosophy:
- Geometry is GENERATED, not loaded from files
- Data flows from algorithm → GPU → screen
- No primitive worship - users create their own forms
Usage: class ParticleSystem : public GeometryWriterNode { void compute_frame() override { // Generate 1000 particle positions algorithmically for (int i = 0; i < 1000; i++) { positions[i] = simulate_physics(i); } update_vertex_buffer(positions); } };
auto particles = std::make_shared<ParticleSystem>(1000); auto buffer = std::make_shared<GeometryBuffer>(particles);
auto render = std::make_shared<RenderProcessor>(config); render->set_fragment_shader("particle.frag"); render->set_target_window(window);
buffer->add_processor(render) | Graphics;
Definition at line 46 of file GeometryBuffer.hpp.
The documentation for this class was generated from the following files:
