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glsl: warn in GL as well as ES when varying not written

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Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93339
This commit is contained in:
Timothy Arceri 2016-02-15 14:06:04 +11:00
parent 6d39075c06
commit 00a1bd13b5
1 changed files with 7 additions and 16 deletions
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23
src/compiler/glsl/link_varyings.cpp
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@ -1739,22 +1739,7 @@ assign_varying_locations(struct gl_context *ctx,
if (var && var->data.mode == ir_var_shader_in &&
var->data.is_unmatched_generic_inout) {
if (prog->IsES) {
/*
* On Page 91 (Page 97 of the PDF) of the GLSL ES 1.0 spec:
*
* If the vertex shader declares but doesn't write to a
* varying and the fragment shader declares and reads it,
* is this an error?
*
* RESOLUTION: No.
*/
linker_warning(prog, "%s shader varying %s not written "
"by %s shader\n.",
_mesa_shader_stage_to_string(consumer->Stage),
var->name,
_mesa_shader_stage_to_string(producer->Stage));
} else if (prog->Version <= 120) {
if (!prog->IsES && prog->Version <= 120) {
/* On page 25 (page 31 of the PDF) of the GLSL 1.20 spec:
*
* Only those varying variables used (i.e. read) in
@ -1772,6 +1757,12 @@ assign_varying_locations(struct gl_context *ctx,
_mesa_shader_stage_to_string(consumer->Stage),
var->name,
_mesa_shader_stage_to_string(producer->Stage));
} else {
linker_warning(prog, "%s shader varying %s not written "
"by %s shader\n.",
_mesa_shader_stage_to_string(consumer->Stage),
var->name,
_mesa_shader_stage_to_string(producer->Stage));
}
}
}