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vkd3d-shader/hlsl: Ensure that TERNARY condition is always bool.

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Also, properly casting it to float in lower_ternary() for SM1
avoids creating ABS and NEG on bool types.
This commit is contained in:
Francisco Casas
2024-03-01 16:01:03 -03:00
committed by Alexandre Julliard
parent 9c0d04c862
commit 19fd43214b
Notes: Alexandre Julliard 2024-04-09 15:44:37 -05:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/744
11 changed files with 114 additions and 122 deletions
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42
libs/vkd3d-shader/hlsl_codegen.c
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@@ -2958,8 +2958,7 @@ static bool lower_logic_not(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, st
static bool lower_ternary(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, struct hlsl_block *block)
{
struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS] = { 0 }, *replacement;
struct hlsl_ir_node *zero, *cond, *first, *second;
struct hlsl_constant_value zero_value = { 0 };
struct hlsl_ir_node *cond, *first, *second, *float_cond, *neg;
struct hlsl_ir_expr *expr;
struct hlsl_type *type;
@@ -2980,18 +2979,22 @@ static bool lower_ternary(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, stru
return false;
}
assert(cond->data_type->base_type == HLSL_TYPE_BOOL);
if (ctx->profile->major_version < 4)
{
struct hlsl_ir_node *abs, *neg;
type = hlsl_get_numeric_type(ctx, instr->data_type->class, HLSL_TYPE_FLOAT,
instr->data_type->dimx, instr->data_type->dimy);
if (!(abs = hlsl_new_unary_expr(ctx, HLSL_OP1_ABS, cond, &instr->loc)))
if (!(float_cond = hlsl_new_cast(ctx, cond, type, &instr->loc)))
return false;
hlsl_block_add_instr(block, abs);
hlsl_block_add_instr(block, float_cond);
if (!(neg = hlsl_new_unary_expr(ctx, HLSL_OP1_NEG, abs, &instr->loc)))
if (!(neg = hlsl_new_unary_expr(ctx, HLSL_OP1_NEG, float_cond, &instr->loc)))
return false;
hlsl_block_add_instr(block, neg);
memset(operands, 0, sizeof(operands));
operands[0] = neg;
operands[1] = second;
operands[2] = first;
@@ -3000,21 +3003,6 @@ static bool lower_ternary(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, stru
}
else
{
if (cond->data_type->base_type == HLSL_TYPE_FLOAT)
{
if (!(zero = hlsl_new_constant(ctx, cond->data_type, &zero_value, &instr->loc)))
return false;
hlsl_block_add_instr(block, zero);
operands[0] = zero;
operands[1] = cond;
type = cond->data_type;
type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_BOOL, type->dimx, type->dimy);
if (!(cond = hlsl_new_expr(ctx, HLSL_OP2_NEQUAL, operands, type, &instr->loc)))
return false;
hlsl_block_add_instr(block, cond);
}
memset(operands, 0, sizeof(operands));
operands[0] = cond;
operands[1] = first;
@@ -3319,11 +3307,21 @@ static bool lower_casts_to_bool(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr
struct hlsl_ir_node *hlsl_add_conditional(struct hlsl_ctx *ctx, struct hlsl_block *instrs,
struct hlsl_ir_node *condition, struct hlsl_ir_node *if_true, struct hlsl_ir_node *if_false)
{
struct hlsl_type *cond_type = condition->data_type;
struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS];
struct hlsl_ir_node *cond;
assert(hlsl_types_are_equal(if_true->data_type, if_false->data_type));
if (cond_type->base_type != HLSL_TYPE_BOOL)
{
cond_type = hlsl_get_numeric_type(ctx, cond_type->class, HLSL_TYPE_BOOL, cond_type->dimx, cond_type->dimy);
if (!(condition = hlsl_new_cast(ctx, condition, cond_type, &condition->loc)))
return NULL;
hlsl_block_add_instr(instrs, condition);
}
operands[0] = condition;
operands[1] = if_true;
operands[2] = if_false;
@@ -5400,11 +5398,11 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry
hlsl_transform_ir(ctx, split_matrix_copies, body, NULL);
lower_ir(ctx, lower_narrowing_casts, body);
lower_ir(ctx, lower_casts_to_bool, body);
lower_ir(ctx, lower_int_dot, body);
lower_ir(ctx, lower_int_division, body);
lower_ir(ctx, lower_int_modulus, body);
lower_ir(ctx, lower_int_abs, body);
lower_ir(ctx, lower_casts_to_bool, body);
lower_ir(ctx, lower_float_modulus, body);
hlsl_transform_ir(ctx, fold_redundant_casts, body, NULL);
do