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vkd3d-shader/hlsl: Store constant values as an array of unions.

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This allows us to more easily manipulate individual elements in a type-agnostic
way. For example, it allows easier implementation of constant swizzle folding.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-09-20 16:40:10 -05:00 committed by Alexandre Julliard
parent e2b57f6d2b
commit b4e301b2d8
5 changed files with 37 additions and 32 deletions
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14
libs/vkd3d-shader/hlsl.c
View File

@ -535,7 +535,7 @@ struct hlsl_ir_constant *hlsl_new_uint_constant(struct hlsl_ctx *ctx, unsigned i
if (!(c = hlsl_alloc(ctx, sizeof(*c))))
return NULL;
init_node(&c->node, HLSL_IR_CONSTANT, ctx->builtin_types.scalar[HLSL_TYPE_UINT], loc);
c->value.u[0] = n;
c->value[0].u = n;
return c;
}
@ -1018,26 +1018,28 @@ static void dump_ir_constant(struct vkd3d_string_buffer *buffer, const struct hl
vkd3d_string_buffer_printf(buffer, "{");
for (x = 0; x < type->dimx; ++x)
{
const union hlsl_constant_value *value = &constant->value[x];
switch (type->base_type)
{
case HLSL_TYPE_BOOL:
vkd3d_string_buffer_printf(buffer, "%s ", constant->value.b[x] ? "true" : "false");
vkd3d_string_buffer_printf(buffer, "%s ", value->b ? "true" : "false");
break;
case HLSL_TYPE_DOUBLE:
vkd3d_string_buffer_printf(buffer, "%.16e ", constant->value.d[x]);
vkd3d_string_buffer_printf(buffer, "%.16e ", value->d);
break;
case HLSL_TYPE_FLOAT:
vkd3d_string_buffer_printf(buffer, "%.8e ", constant->value.f[x]);
vkd3d_string_buffer_printf(buffer, "%.8e ", value->f);
break;
case HLSL_TYPE_INT:
vkd3d_string_buffer_printf(buffer, "%d ", constant->value.i[x]);
vkd3d_string_buffer_printf(buffer, "%d ", value->i);
break;
case HLSL_TYPE_UINT:
vkd3d_string_buffer_printf(buffer, "%u ", constant->value.u[x]);
vkd3d_string_buffer_printf(buffer, "%u ", value->u);
break;
default:

14
libs/vkd3d-shader/hlsl.h
View File

@ -374,14 +374,14 @@ struct hlsl_ir_store
struct hlsl_ir_constant
{
struct hlsl_ir_node node;
union
union hlsl_constant_value
{
unsigned u[4];
int i[4];
float f[4];
double d[4];
bool b[4];
} value;
uint32_t u;
int32_t i;
float f;
double d;
bool b;
} value[4];
struct hlsl_reg reg;
};

17
libs/vkd3d-shader/hlsl.y
View File

@ -828,20 +828,21 @@ static unsigned int evaluate_array_dimension(struct hlsl_ir_node *node)
case HLSL_IR_CONSTANT:
{
struct hlsl_ir_constant *constant = hlsl_ir_constant(node);
const union hlsl_constant_value *value = &constant->value[0];
switch (constant->node.data_type->base_type)
{
case HLSL_TYPE_UINT:
return constant->value.u[0];
return value->u;
case HLSL_TYPE_INT:
return constant->value.i[0];
return value->i;
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_HALF:
return constant->value.f[0];
return value->f;
case HLSL_TYPE_DOUBLE:
return constant->value.d[0];
return value->d;
case HLSL_TYPE_BOOL:
return constant->value.b[0];
return value->b;
default:
assert(0);
return 0;
@ -2770,7 +2771,7 @@ primary_expr:
if (!(c = hlsl_alloc(ctx, sizeof(*c))))
YYABORT;
init_node(&c->node, HLSL_IR_CONSTANT, ctx->builtin_types.scalar[HLSL_TYPE_FLOAT], @1);
c->value.f[0] = $1;
c->value[0].f = $1;
if (!($$ = make_list(ctx, &c->node)))
YYABORT;
}
@ -2781,7 +2782,7 @@ primary_expr:
if (!(c = hlsl_alloc(ctx, sizeof(*c))))
YYABORT;
init_node(&c->node, HLSL_IR_CONSTANT, ctx->builtin_types.scalar[HLSL_TYPE_INT], @1);
c->value.i[0] = $1;
c->value[0].i = $1;
if (!($$ = make_list(ctx, &c->node)))
YYABORT;
}
@ -2792,7 +2793,7 @@ primary_expr:
if (!(c = hlsl_alloc(ctx, sizeof(*c))))
YYABORT;
init_node(&c->node, HLSL_IR_CONSTANT, ctx->builtin_types.scalar[HLSL_TYPE_BOOL], @1);
c->value.b[0] = $1;
c->value[0].b = $1;
if (!($$ = make_list(ctx, &c->node)))
YYABORT;
}

22
libs/vkd3d-shader/hlsl_codegen.c
View File

@ -413,12 +413,12 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi
{
case HLSL_TYPE_INT:
for (i = 0; i < dimx; ++i)
res->value.f[i] = arg1->value.i[i];
res->value[i].f = arg1->value[i].i;
break;
case HLSL_TYPE_UINT:
for (i = 0; i < dimx; ++i)
res->value.f[i] = arg1->value.u[i];
res->value[i].f = arg1->value[i].u;
break;
default:
@ -443,17 +443,17 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi
{
case HLSL_OP1_NEG:
for (i = 0; i < instr->data_type->dimx; ++i)
res->value.u[i] = -arg1->value.u[i];
res->value[i].u = -arg1->value[i].u;
break;
case HLSL_OP2_ADD:
for (i = 0; i < instr->data_type->dimx; ++i)
res->value.u[i] = arg1->value.u[i] + arg2->value.u[i];
res->value[i].u = arg1->value[i].u + arg2->value[i].u;
break;
case HLSL_OP2_MUL:
for (i = 0; i < instr->data_type->dimx; ++i)
res->value.u[i] = arg1->value.u[i] * arg2->value.u[i];
res->value[i].u = arg1->value[i].u * arg2->value[i].u;
break;
default:
@ -920,28 +920,30 @@ static void allocate_const_registers_recurse(struct hlsl_ctx *ctx, struct list *
{
for (x = 0, i = 0; x < 4; ++x)
{
const union hlsl_constant_value *value;
float f;
if (!(writemask & (1u << x)))
continue;
value = &constant->value[i++];
switch (type->base_type)
{
case HLSL_TYPE_BOOL:
f = constant->value.b[i++];
f = value->b;
break;
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_HALF:
f = constant->value.f[i++];
f = value->f;
break;
case HLSL_TYPE_INT:
f = constant->value.i[i++];
f = value->i;
break;
case HLSL_TYPE_UINT:
f = constant->value.u[i++];
f = value->u;
break;
case HLSL_TYPE_DOUBLE:
@ -1208,7 +1210,7 @@ struct hlsl_reg hlsl_reg_from_deref(const struct hlsl_deref *deref, const struct
ret.allocated = var->reg.allocated;
ret.id = var->reg.id;
if (offset_node)
offset = hlsl_ir_constant(offset_node)->value.u[0];
offset = hlsl_ir_constant(offset_node)->value[0].u;
ret.id += offset / 4;
if (type_is_single_reg(var->data_type))

2
libs/vkd3d-shader/hlsl_sm4.c
View File

@ -962,7 +962,7 @@ static void write_sm4_constant(struct hlsl_ctx *ctx,
instr.srcs[0].reg.idx[0] = constant->reg.id;
instr.srcs[0].reg.idx_count = 1;
for (i = 0; i < dimx; ++i)
instr.srcs[0].reg.immconst_uint[i] = constant->value.u[i];
instr.srcs[0].reg.immconst_uint[i] = constant->value[i].u;
instr.src_count = 1,
write_sm4_instruction(buffer, &instr);