- struct shader_info *prev_info = NULL;
-
- for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
- struct gl_linked_shader *shader = shader_program->_LinkedShaders[i];
- if (!shader)
- continue;
-
- struct shader_info *info = &shader->Program->nir->info;
-
- if (prev_info &&
- ctx->Const.ShaderCompilerOptions[i].NirOptions->unify_interfaces) {
- prev_info->outputs_written |= info->inputs_read &
- ~(VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER);
- info->inputs_read |= prev_info->outputs_written &
- ~(VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER);
-
- prev_info->patch_outputs_written |= info->patch_inputs_read;
- info->patch_inputs_read |= prev_info->patch_outputs_written;
- }
- prev_info = info;
- }
-