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.
62 lines
1.6 KiB
GLSL
62 lines
1.6 KiB
GLSL
/*** _cogl_fixed_fragment_shader_variables_start ***/
|
|
|
|
/* There is no default precision for floats in fragment shaders in
|
|
GLES 2 so we need to define one */
|
|
precision highp float;
|
|
|
|
/*** _cogl_fixed_fragment_shader_inputs ***/
|
|
|
|
/* Inputs from the vertex shader */
|
|
varying vec4 frag_color;
|
|
varying float fog_amount;
|
|
|
|
/*** _cogl_fixed_fragment_shader_texturing_options ***/
|
|
|
|
/* Texturing options */
|
|
|
|
/*** _cogl_fixed_fragment_shader_fogging_options ***/
|
|
|
|
/* Fogging options */
|
|
uniform vec4 fog_color;
|
|
|
|
/* Alpha test options */
|
|
uniform float alpha_test_ref;
|
|
|
|
/*** _cogl_fixed_fragment_shader_main_declare ***/
|
|
|
|
void
|
|
main (void)
|
|
{
|
|
/*** _cogl_fixed_fragment_shader_main_start ***/
|
|
|
|
|
|
/*** _cogl_fixed_fragment_shader_fog ***/
|
|
|
|
/* Mix the calculated color with the fog color */
|
|
gl_FragColor.rgb = mix (fog_color.rgb, gl_FragColor.rgb, fog_amount);
|
|
|
|
/* Alpha testing */
|
|
|
|
/*** _cogl_fixed_fragment_shader_alpha_never ***/
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_less ***/
|
|
if (gl_FragColor.a >= alpha_test_ref)
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_equal ***/
|
|
if (gl_FragColor.a != alpha_test_ref)
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_lequal ***/
|
|
if (gl_FragColor.a > alpha_test_ref)
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_greater ***/
|
|
if (gl_FragColor.a <= alpha_test_ref)
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_notequal ***/
|
|
if (gl_FragColor.a == alpha_test_ref)
|
|
discard;
|
|
/*** _cogl_fixed_fragment_shader_alpha_gequal ***/
|
|
if (gl_FragColor.a < alpha_test_ref)
|
|
discard;
|
|
|
|
/*** _cogl_fixed_fragment_shader_end ***/
|
|
}
|