Module: vkd3d Branch: master Commit: 8c086b5c9172798f669c0d36a16ad801a86bb622 URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=8c086b5c9172798f669c0d36...
Author: Giovanni Mascellani gmascellani@codeweavers.com Date: Wed Apr 6 21:24:42 2022 +0200
vkd3d-shader/hlsl: Lower casts to bool to comparisons.
Signed-off-by: Giovanni Mascellani gmascellani@codeweavers.com Signed-off-by: Matteo Bruni mbruni@codeweavers.com Signed-off-by: Henri Verbeet hverbeet@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
libs/vkd3d-shader/hlsl_codegen.c | 32 ++++++++++++++++++++++++++++++++ libs/vkd3d-shader/hlsl_constant_ops.c | 9 ++------- libs/vkd3d-shader/hlsl_sm4.c | 3 ++- 3 files changed, 36 insertions(+), 8 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c index 2b05264c..72c00430 100644 --- a/libs/vkd3d-shader/hlsl_codegen.c +++ b/libs/vkd3d-shader/hlsl_codegen.c @@ -750,6 +750,37 @@ static bool lower_division(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi return true; }
+static bool lower_casts_to_bool(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context) +{ + struct hlsl_type *type = instr->data_type, *arg_type; + struct hlsl_ir_constant *zero; + struct hlsl_ir_expr *expr; + + if (instr->type != HLSL_IR_EXPR) + return false; + expr = hlsl_ir_expr(instr); + if (expr->op != HLSL_OP1_CAST) + return false; + arg_type = expr->operands[0].node->data_type; + if (type->type > HLSL_CLASS_VECTOR || arg_type->type > HLSL_CLASS_VECTOR) + return false; + if (type->base_type != HLSL_TYPE_BOOL) + return false; + + /* Narrowing casts should have already been lowered. */ + assert(type->dimx == arg_type->dimx); + + zero = hlsl_new_constant(ctx, arg_type, &instr->loc); + if (!zero) + return false; + list_add_before(&instr->entry, &zero->node.entry); + + expr->op = HLSL_OP2_NEQUAL; + hlsl_src_from_node(&expr->operands[1], &zero->node); + + return true; +} + static bool dce(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context) { switch (instr->type) @@ -1655,6 +1686,7 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry } while (progress); transform_ir(ctx, lower_narrowing_casts, body, NULL); + transform_ir(ctx, lower_casts_to_bool, body, NULL); do { progress = transform_ir(ctx, hlsl_fold_constants, body, NULL); diff --git a/libs/vkd3d-shader/hlsl_constant_ops.c b/libs/vkd3d-shader/hlsl_constant_ops.c index e282dbd4..5cac4bde 100644 --- a/libs/vkd3d-shader/hlsl_constant_ops.c +++ b/libs/vkd3d-shader/hlsl_constant_ops.c @@ -27,7 +27,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct int32_t i; double d; float f; - bool b;
if (dst->node.data_type->dimx != src->node.data_type->dimx || dst->node.data_type->dimy != src->node.data_type->dimy) @@ -47,7 +46,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct i = src->value[k].f; f = src->value[k].f; d = src->value[k].f; - b = !!src->value[k].f; break;
case HLSL_TYPE_DOUBLE: @@ -55,7 +53,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct i = src->value[k].d; f = src->value[k].d; d = src->value[k].d; - b = !!src->value[k].d; break;
case HLSL_TYPE_INT: @@ -63,7 +60,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct i = src->value[k].i; f = src->value[k].i; d = src->value[k].i; - b = !!src->value[k].i; break;
case HLSL_TYPE_UINT: @@ -71,7 +67,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct i = src->value[k].u; f = src->value[k].u; d = src->value[k].u; - b = !!src->value[k].u; break;
case HLSL_TYPE_BOOL: @@ -79,7 +74,6 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct i = !!src->value[k].u; f = !!src->value[k].u; d = !!src->value[k].u; - b = !!src->value[k].u; break;
default: @@ -107,7 +101,8 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst, struct break;
case HLSL_TYPE_BOOL: - dst->value[k].u = b ? ~0u : 0; + /* Casts to bool should have already been lowered. */ + assert(0); break;
default: diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c index 400c3a62..9de8654c 100644 --- a/libs/vkd3d-shader/hlsl_sm4.c +++ b/libs/vkd3d-shader/hlsl_sm4.c @@ -1542,7 +1542,8 @@ static void write_sm4_cast(struct hlsl_ctx *ctx, break;
case HLSL_TYPE_BOOL: - hlsl_fixme(ctx, &expr->node.loc, "SM4 cast to bool."); + /* Casts to bool should have already been lowered. */ + assert(0); break;
default: