Module: vkd3d Branch: master Commit: e957d3a3462b3e8a90bf656b24e09aab6a168af5 URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=e957d3a3462b3e8a90bf656b... Author: Zebediah Figura <zfigura(a)codeweavers.com> Date: Thu Apr 8 23:38:24 2021 -0500 vkd3d-shader: Allocate temporary registers for anonymous expressions. Signed-off-by: Zebediah Figura <zfigura(a)codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com> Signed-off-by: Matteo Bruni <mbruni(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- libs/vkd3d-shader/hlsl.h | 1 + libs/vkd3d-shader/hlsl_codegen.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h index c5a611d..4122711 100644 --- a/libs/vkd3d-shader/hlsl.h +++ b/libs/vkd3d-shader/hlsl.h @@ -171,6 +171,7 @@ struct hlsl_ir_node * true even for loops, since currently we can't have a reference to a * value generated in an earlier iteration of the loop. */ unsigned int index, last_read; + struct hlsl_reg reg; }; struct hlsl_src diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c index c8d3ed4..cfa021b 100644 --- a/libs/vkd3d-shader/hlsl_codegen.c +++ b/libs/vkd3d-shader/hlsl_codegen.c @@ -747,6 +747,18 @@ static void allocate_temp_registers_recurse(struct list *instrs, struct liveness LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry) { + if (!instr->reg.allocated && instr->last_read) + { + if (instr->data_type->reg_size > 1) + instr->reg = allocate_range(liveness, instr->index, + instr->last_read, instr->data_type->reg_size); + else + instr->reg = allocate_register(liveness, instr->index, + instr->last_read, instr->data_type->dimx); + TRACE("Allocated anonymous expression @%u to %s (liveness %u-%u).\n", instr->index, + debug_register('r', instr->reg, instr->data_type), instr->index, instr->last_read); + } + switch (instr->type) { case HLSL_IR_IF: