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vkd3d-shader/tpf: Declare indexable temps.

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If var->indexable, then the variable is given a unique register number,
regardless of its lifetime.
This commit is contained in:
Francisco Casas
2023-10-04 18:03:14 -03:00
committed by Alexandre Julliard
parent 83c313ecc6
commit eef2163375
Notes: Alexandre Julliard 2023-10-31 22:38:12 +01:00 
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/396
2 changed files with 55 additions and 5 deletions
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24
libs/vkd3d-shader/hlsl_codegen.c
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@ -3473,6 +3473,10 @@ struct register_allocator
unsigned int writemask;
unsigned int first_write, last_read;
} *allocations;
/* Indexable temps are allocated separately and always keep their index regardless of their
* lifetime. */
size_t indexable_count;
};
static unsigned int get_available_writemask(const struct register_allocator *allocator,
@ -3719,11 +3723,23 @@ static void allocate_variable_temp_register(struct hlsl_ctx *ctx,
if (!var->regs[HLSL_REGSET_NUMERIC].allocated && var->last_read)
{
var->regs[HLSL_REGSET_NUMERIC] = allocate_numeric_registers_for_type(ctx, allocator,
var->first_write, var->last_read, var->data_type);
if (var->indexable)
{
var->regs[HLSL_REGSET_NUMERIC].id = allocator->indexable_count++;
var->regs[HLSL_REGSET_NUMERIC].allocation_size = 1;
var->regs[HLSL_REGSET_NUMERIC].writemask = 0;
var->regs[HLSL_REGSET_NUMERIC].allocated = true;
TRACE("Allocated %s to %s (liveness %u-%u).\n", var->name, debug_register('r',
var->regs[HLSL_REGSET_NUMERIC], var->data_type), var->first_write, var->last_read);
TRACE("Allocated %s to x%u[].\n", var->name, var->regs[HLSL_REGSET_NUMERIC].id);
}
else
{
var->regs[HLSL_REGSET_NUMERIC] = allocate_numeric_registers_for_type(ctx, allocator,
var->first_write, var->last_read, var->data_type);
TRACE("Allocated %s to %s (liveness %u-%u).\n", var->name, debug_register('r',
var->regs[HLSL_REGSET_NUMERIC], var->data_type), var->first_write, var->last_read);
}
}
}