Unigine::StructuredBuffer Class
| Header: | #include <UnigineTextures.h> |
StructuredBuffer is a buffer for structures: it represents a uniform array of structures.
StructuredBuffer resource can specified via the following flags:
- GPU_RESOURCE specifies a resource that can be read and written by the GPU. It also creates a temporary direct staging buffer to copy the data from the main buffer and gets the data by the CPU.
- IMMUTABLE specifies a resources that can only be read by the GPU. It also creates a temporary direct staging buffer to copy the data from the main buffer and gets the data by the CPU.
- CPU_RESOURCE specifies a resource that is accessible by both the GPU (read only mode) and the CPU (write only mode). It also creates a temporary direct staging buffer to copy the data from the main buffer and gets the data by the CPU.
- STAGING specifies a resource that supports direct data transfer from the GPU to CPU.
See Also#
- StructuredBuffer C++ sample provided in the Samples (Samples -> C++ -> Render) section of UNIGINE SDK Browser.
StructuredBuffer Class
Members
static StructuredBufferPtr create ( ) #
Constructor. Creates a new structured buffer.Source code (C++)
StructuredBufferPtr input_buffer = StructuredBuffer::create();void * getD3D11ShaderResourceView ( ) #
Gets a shader-resource view that specifies the subresources a shader can access during rendering.Return value
A pointer to D3D11 shader resource view.void * getD3D11UnorderedAccessView ( ) #
Gets a view for an unordered access resource that specifies the parts of a resource the pipeline can access during rendering.Return value
A pointer to a D3D11 unordered access view.int getData ( void * data ) #
Gets the data from StructuredBuffer instance.Arguments
- void * data - A pointer to the data.
Return value
1 if StructuredBuffer data was returned; otherwise, 0.int getGLBufferID ( ) #
Returns the Id of buffer.Return value
An Id of the buffer.void clear ( ) #
Clears smart pointer.int create ( int flags, void * data, unsigned int structure_size, unsigned int num_elements ) #
Creates a StructuredBuffer instance with specified parameters.Source code (C++)
#define NUMBERS_COUNT 4096 * 8192
// Input data structure
struct InputDataStructure {
vec4 vector0;
vec4 vector1;
};
// Source data
InputDataStructure *source_data = new InputDataStructure[NUMBERS_COUNT];
// Create immutable structure buffer (gpu_read-only) and store initial values
StructuredBufferPtr input_buffer = StructuredBuffer::create();
input_buffer->create(StructuredBuffer::IMMUTABLE, source_data, sizeof(InputDataStructure), NUMBERS_COUNT);Arguments
- int flags - StructuredBuffer flag.
- void * data - Pointer to the source data.
- unsigned int structure_size - The size of the structured buffer.
- unsigned int num_elements - Number of elements in the structured buffer.
Return value
1 if the StructuredBuffer was created successfully; otherwise, 0.int create ( int flags, unsigned int structure_size, unsigned int num_elements ) #
Constructor. Creates a new structured buffer with the specified parameters.Arguments
- int flags - StructuredBuffer flag.
- unsigned int structure_size - The size of the structured buffer.
- unsigned int num_elements - Number of elements in the structured buffer.
Return value
1 if the StructuredBuffer was created successfully; otherwise, 0.void destroy ( ) #
Destroys smart pointer.void setDebugName ( const char * name ) #
Sets a friendly name for GPU debugging (RenderDoc, NVIDIA Nsight). It can be used to help you determine if the corresponding object interface pointer caused the leak. Memory leaks are reported by the debug software layer by outputting a list of object interface pointers along with their friendly names.Arguments
- const char * name - Friendly debug name to be set.
const char * getDebugName ( ) #
Returns the currently used friendly name for GPU debugging (RenderDoc, NVIDIA Nsight). It can be used to help you determine if the corresponding object interface pointer caused the leak. Memory leaks are reported by the debug software layer by outputting a list of object interface pointers along with their friendly names.Return value
Friendly debug name.void clearBuffer ( ) #
Clears the structured buffer.void copy ( const Ptr<StructuredBuffer> & src ) #
Copies the data from the specified source structured buffer.Arguments
- const Ptr<StructuredBuffer> & src - Source structured buffer to copy data from.
int getNumElements ( ) #
Returns the number of elements in the structured buffer.Return value
Number of elements in the structured buffer.Last update:
19.12.2023
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