SFML/samples/bin/datas/shader/blur.sfx
LaurentGom d7bd00afc0 FS#25 - Change sf::PostFx to a more general purpose pixel shader class (sf::Shader)
Updated the PostFx sample, renamed to Shader
Renamed all the static X::CanUseX() functions to X::IsAvailable() to make the API more consistent
Moved .def files from /build/VC200X to /src in CSFML
Minors fixes in CSFML

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1258 4e206d99-4929-0410-ac5d-dfc041789085
2009-11-03 09:04:40 +00:00

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uniform sampler2D texture;
uniform float offset;
void main()
{
vec2 offx = vec2(offset, 0.0);
vec2 offy = vec2(0.0, offset);
vec4 c0 = texture2D(texture, gl_TexCoord[0].xy);
vec4 c1 = texture2D(texture, gl_TexCoord[0].xy - offy);
vec4 c2 = texture2D(texture, gl_TexCoord[0].xy + offy);
vec4 c3 = texture2D(texture, gl_TexCoord[0].xy - offx);
vec4 c4 = texture2D(texture, gl_TexCoord[0].xy + offx);
gl_FragColor = gl_Color * (c0 * 0.2 + c1 * 0.2 + c2 * 0.2 + c3 * 0.2 + c4 * 0.2);
}