Same problem with Intel graphics card. Console output:
(cheese:19481): Cogl-WARNING **: Failed to compile GLSL program:
src:
precision mediump float;
uniform sampler2D tex;void main () { vec4 color = texture2D (tex,
vec2(cogl_tex_coord_in[0])); float y = 1.1640625 * (color.g - 0.0625); float
u = color.b - 0.5; float v = color.a - 0.5; color.a = color.r; color.r = y +
1.59765625 * v; color.g = y - 0.390625 * u - 0.8125 * v; color.b = y +
2.015625 * u; gl_FragColor = color; gl_FragColor = gl_FragColor *
cogl_color_in;}
error:
0:23(1): error: Illegal use of reserved word `precision'
0:23(1): error: syntax error, unexpected ERROR_TOK, expecting $end
(cheese:19481): Cogl-WARNING **: Failed to link GLSL program:
error: linking with uncompiled shader
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https://bugs.launchpad.net/bugs/1101951
Title:
Webcam with cheese not working - shader fails to compile
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