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9343cb849a
Some internal symbols used for the GLES 2 wrapper were accidentally being exported. This prepends an underscore to them so they won't appear in the shared library.
63 lines
1.6 KiB
GLSL
63 lines
1.6 KiB
GLSL
/*** _cogl_fixed_fragment_shader_variables_start ***/
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/* There is no default precision for floats in fragment shaders in
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GLES 2 so we need to define one */
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precision highp float;
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/*** _cogl_fixed_fragment_shader_inputs ***/
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/* Inputs from the vertex shader */
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varying vec4 frag_color;
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varying float fog_amount;
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/*** _cogl_fixed_fragment_shader_texturing_options ***/
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/* Texturing options */
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/*** _cogl_fixed_fragment_shader_fogging_options ***/
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/* Fogging options */
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uniform vec4 fog_color;
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/* Alpha test options */
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uniform float alpha_test_ref;
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/*** _cogl_fixed_fragment_shader_main_declare ***/
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void
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main (void)
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{
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/*** _cogl_fixed_fragment_shader_main_start ***/
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/*** _cogl_fixed_fragment_shader_fog ***/
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/* Mix the calculated color with the fog color */
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gl_FragColor.rgb = mix (fog_color.rgb, gl_FragColor.rgb, fog_amount);
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/* Alpha testing */
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/*** _cogl_fixed_fragment_shader_alpha_never ***/
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_less ***/
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if (gl_FragColor.a >= alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_equal ***/
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if (gl_FragColor.a != alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_lequal ***/
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if (gl_FragColor.a > alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_greater ***/
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if (gl_FragColor.a <= alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_notequal ***/
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if (gl_FragColor.a == alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_alpha_gequal ***/
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if (gl_FragColor.a < alpha_test_ref)
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discard;
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/*** _cogl_fixed_fragment_shader_end ***/
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}
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