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vkd3d-shader/hlsl: Use lower_ir() for lower_sqrt().

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This commit is contained in:
Zebediah Figura 2023-06-25 19:11:37 -05:00 committed by Alexandre Julliard
parent 496a3a2093
commit fcda20a8c3
Notes: Alexandre Julliard 2023-09-25 22:28:00 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/334
1 changed files with 8 additions and 7 deletions
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15
libs/vkd3d-shader/hlsl_codegen.c
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@ -2291,10 +2291,10 @@ static bool lower_division(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, str
}
/* Lower SQRT to RSQ + RCP. */
static bool lower_sqrt(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
static bool lower_sqrt(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, struct hlsl_block *block)
{
struct hlsl_ir_node *rsq, *rcp;
struct hlsl_ir_expr *expr;
struct hlsl_ir_node *rsq;
if (instr->type != HLSL_IR_EXPR)
return false;
@ -2304,10 +2304,11 @@ static bool lower_sqrt(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *c
if (!(rsq = hlsl_new_unary_expr(ctx, HLSL_OP1_RSQ, expr->operands[0].node, &instr->loc)))
return false;
list_add_before(&expr->node.entry, &rsq->entry);
expr->op = HLSL_OP1_RCP;
hlsl_src_remove(&expr->operands[0]);
hlsl_src_from_node(&expr->operands[0], rsq);
hlsl_block_add_instr(block, rsq);
if (!(rcp = hlsl_new_unary_expr(ctx, HLSL_OP1_RCP, rsq, &instr->loc)))
return false;
hlsl_block_add_instr(block, rcp);
return true;
}
@ -4426,7 +4427,7 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry
if (profile->major_version < 4)
{
lower_ir(ctx, lower_division, body);
hlsl_transform_ir(ctx, lower_sqrt, body, NULL);
lower_ir(ctx, lower_sqrt, body);
lower_ir(ctx, lower_dot, body);
lower_ir(ctx, lower_round, body);
}