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lavd/opengl_enc_shaders: fix gray* shader

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Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
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Lukasz Marek 2014-02-16 19:56:25 +01:00
parent 05e9e3342f
commit d3cf9b24cf
1 changed files with 1 additions and 1 deletions
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libavdevice/opengl_enc_shaders.h
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@ -181,7 +181,7 @@ static const char * const FF_OPENGL_FRAGMENT_SHADER_GRAY =
"varying vec2 texture_coordinate;"
"void main()"
"{"
"float c = texture2D(u_texture0, texture_coordinate);"
"float c = texture2D(u_texture0, texture_coordinate).r;"
"gl_FragColor = vec4(c, c, c, 1.0);"
"}";