BufferUsageHint

enum class MayaFlux::Portal::Graphics::BufferUsageHint : uint8_t

strong

Semantic usage hint for buffer allocation and memory properties.

This enum describes the intended usage pattern of a buffer, which informs the graphics backend how to allocate memory and set Vulkan usage flags. It is not a direct mapping to Vulkan flags, but rather a higher-level abstraction for common use cases.

Enumerator
STAGING	Host-visible staging buffer (CPU-writable, eTransferSrc|Dst)
DEVICE	Device-local GPU-only buffer.
COMPUTE	Storage buffer for compute shaders (device-local)
VERTEX	Vertex buffer.
INDEX	Index buffer.
UNIFORM	Uniform buffer (host-visible)
UNIFORM_BDA	Uniform buffer with device address query support.
STORAGE_BDA	Storage buffer with device address query support.
INDIRECT	Indirect draw/dispatch buffer (device-local)
HOST_STORAGE	Host-visible storage buffer (eStorageBuffer + eHostVisible|eHostCoherent)
COMPUTE_STORAGE	Bare eStorageBuffer, no transfer flags. GpuResourceManager's host-visible/host-coherent compute buffers.

Definition at line 120 of file GraphicsUtils.hpp.

                           : uint8_t {
    STAGING, ///< Host-visible staging buffer (CPU-writable, eTransferSrc|Dst)
    DEVICE, ///< Device-local GPU-only buffer
    COMPUTE, ///< Storage buffer for compute shaders (device-local)
    VERTEX, ///< Vertex buffer
    INDEX, ///< Index buffer
    UNIFORM, ///< Uniform buffer (host-visible)
    UNIFORM_BDA, ///< Uniform buffer with device address query support
    STORAGE_BDA, ///< Storage buffer with device address query support
    INDIRECT, ///< Indirect draw/dispatch buffer (device-local)
    HOST_STORAGE, ///< Host-visible storage buffer (eStorageBuffer + eHostVisible|eHostCoherent)
    COMPUTE_STORAGE, ///< Bare eStorageBuffer, no transfer flags. GpuResourceManager's host-visible/host-coherent compute buffers.
};