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st/mesa: skip lower_output_reads when possible

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-11-18 20:51:56 +01:00
parent 0a58b258ca
commit f60374aa68
1 changed files with 2 additions and 1 deletions
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3
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -6445,7 +6445,8 @@ get_mesa_program_tgsi(struct gl_context *ctx,
prog->Parameters);
/* Remove reads from output registers. */
lower_output_reads(shader->Stage, shader->ir);
if (!pscreen->get_param(pscreen, PIPE_CAP_TGSI_CAN_READ_OUTPUTS))
lower_output_reads(shader->Stage, shader->ir);
/* Emit intermediate IR for main(). */
visit_exec_list(shader->ir, v);