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mesa: Add asserts into emit_fog_instructions

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Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Juha-Pekka Heikkila 2013-12-19 05:27:00 -07:00 • committed by Brian Paul
parent cd6aaf2920
commit a7d8607d9e
1 changed files with 3 additions and 0 deletions
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3
src/mesa/main/ff_fragment_shader.cpp
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@ -1159,8 +1159,11 @@ emit_fog_instructions(texenv_fragment_program *p,
fragcolor = swizzle_xyz(fog_result);
oparams = p->shader->symbols->get_variable("gl_FogParamsOptimizedMESA");
assert(oparams);
fogcoord = p->shader->symbols->get_variable("gl_FogFragCoord");
assert(fogcoord);
params = p->shader->symbols->get_variable("gl_Fog");
assert(params);
f = new(p->mem_ctx) ir_dereference_variable(fogcoord);
ir_variable *f_var = p->make_temp(glsl_type::float_type, "fog_factor");