TileDimensionQCOM(3)

# TileDimensionQCOM(3) Manual Page

## Name

TileDimensionQCOM - Tile offset of a shader invocation

## Description

`TileDimensionQCOM`

  The `TileDimensionQCOM` decoration can be applied to a shader input which will be filled with the width and height of the active tile.

  When per-tile execution model is enabled, for the current shader invocation x and y components of `TileDimensionQCOM` reflect the with and height of the tile corresponding to the shader invocation.

  Otherwise, the x and y components of `TileDimensionQCOM` are filled with (0,0).

Valid Usage

- VUID-TileDimensionQCOM-TileDimensionQCOM-10629
  The `TileDimensionQCOM` decoration must be used only within the `Fragment` `Execution` `Model` or `GLCompute` `Execution` `Model`

- VUID-TileDimensionQCOM-TileDimensionQCOM-10630
  The variable decorated with `TileDimensionQCOM` must be declared using the `Input` `Storage` `Class`

- VUID-TileDimensionQCOM-TileDimensionQCOM-10631
  The variable decorated with `TileDimensionQCOM` must be declared as a two-component vector of 32-bit integer values

## See Also

No cross-references are available

## Document Notes

For more information, see the Vulkan Specification.

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0