Summary: OpenGL pixel shader Default: 0 Example: curvature Since: 1.3.0

FIXME: Consider splitting this option into shader_name (for bundled shader) and shader_path (for external shader)?

The option shader be either the name of a bundled shader (without .shader extension), or path to a shader in XML Shader Format 1.1, including the .shader file extension.

The bundled shaders are:

• atari-color-fix
• crt-guest
• crt-hyllian
• crt-lottes
• crt
• curvature
• edge-detection
• hard-light-bloom-gamma
• hard-light-bloom
• hard-light
• heavybloom
• horizontal-blur
• hq2x
• lanczos-6tap
• scale2x
• scale4xhq
• scalefx
• scanline-3x
• scanline-4x
• scanlines-classic
• scanlines-nonlinear-blur
• scanlines-nonlinear
• screenlines-nonlinear-blur-hsl-thick
• screenlines-nonlinear-blur-hsl
• screenlines-nonlinear-blur-thick
• screenlines-nonlinear-blur
• screenlines-nonlinear
• sharp-bilinear-simple
• sharp-bilinear
• simplebloom
• super-xbr-3p
• test-gamma-screenlines
• test-gamma
• test
• testbloom-2
• testbloom
• xbrz4x
• xbrz6x