diff options
-rw-r--r-- | src/mesa/state_tracker/st_program.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index c0e63b8a98c..fa4dbfbcb8c 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -491,8 +491,6 @@ st_translate_vertex_program(struct st_context *st, if (stp->Base.arb.IsPositionInvariant) _mesa_insert_mvp_code(st->ctx, &stp->Base); - st_prepare_vertex_program(stp); - /* ARB_vp: */ if (!stp->glsl_to_tgsi) { _mesa_remove_output_reads(&stp->Base, PROGRAM_OUTPUT); @@ -524,14 +522,33 @@ st_translate_vertex_program(struct st_context *st, stp->state.type = PIPE_SHADER_IR_NIR; stp->Base.nir = st_translate_prog_to_nir(st, &stp->Base, MESA_SHADER_VERTEX); + + /* We must update stp->Base.info after translation and before + * st_prepare_vertex_program is called, because inputs_read + * may become outdated after NIR optimization passes. + * + * For ffvp/ARB_vp inputs_read is populated based + * on declared attributes without taking their usage into + * consideration. When creating shader variants we expect + * that their inputs_read would match the base ones for + * input mapping to work properly. + */ + nir_shader_gather_info(stp->Base.nir, + nir_shader_get_entrypoint(stp->Base.nir)); + stp->Base.info = stp->Base.nir->info; + /* For st_draw_feedback, we need to generate TGSI too if draw doesn't * use LLVM. */ - if (draw_has_llvm()) + if (draw_has_llvm()) { + st_prepare_vertex_program(stp); return true; + } } } + st_prepare_vertex_program(stp); + /* Get semantic names and indices. */ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) { if (stp->Base.info.outputs_written & BITFIELD64_BIT(attr)) { |