RetroArch: scalehq Shader Overview (Official Documentation Summary)

Overview

The scalehq shader family is documented on an official Libretro documentation page. The page is a short reference entry: it identifies the shader family, lists its documented variants, and points to shader repositories for distribution. It does not contain installation instructions, configuration settings, prerequisites, or performance guidance.

What the official page states

Documented variants

• The page lists four scalehq variants:
• - 2x-scalehq
• - 2xScaleHQ
• - 4x-scalehq
• - 4xScaleHQ

Shader repositories linked from the page

Under an External Links section, the page points to the slang-shaders, glsl-shaders, and common-shaders (CG) repositories maintained under the libretro GitHub organization. These are the distribution locations referenced by the documentation for obtaining shader files.

Where to look for the shaders

RetroArch users typically select shaders from the in-app shader menu after the shader files are available locally. The official page summarized here does not document that menu workflow, so no step-by-step procedure is reproduced; the linked repositories are the sources the page itself cites for the shader files.

What the documentation does not cover

The documentation page contains no Background text, no Comments content, and no stated prerequisites, settings, or limitations for the scalehq shaders. Those details are not available from this source and are not asserted here.