fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-22 04:50:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

glsl: Fail to link if inter-stage input/outputs are not assigned to stream 0

Browse source 
Outputs that are linked to inputs in the next stage must be output to stream 0,
otherwise we should fail to link.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Iago Toral Quiroga 2014-06-05 11:36:56 +02:00
parent b908e85ed3
commit 02fd80e160
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/glsl/link_varyings.cpp
View file

@ -1345,6 +1345,14 @@ assign_varying_locations(struct gl_context *ctx,
if (input_var || (prog->SeparateShader && consumer == NULL)) { if (input_var || (prog->SeparateShader && consumer == NULL)) {
matches.record(output_var, input_var); matches.record(output_var, input_var);
} }
/* Only stream 0 outputs can be consumed in the next stage */
if (input_var && output_var->data.stream != 0) {
linker_error(prog, "output %s is assigned to stream=%d but "
"is linked to an input, which requires stream=0",
output_var->name, output_var->data.stream);
return false;
}
} }
} else { } else {
/* If there's no producer stage, then this must be a separable program. /* If there's no producer stage, then this must be a separable program.