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vkd3d-shader/hlsl: Allocate registers for HLSL_OP1_{COS,SIN}_REDUCED with the required writemasks.

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Shaun Ren 2024-06-20 19:11:44 -04:00 committed by Henri Verbeet
parent 8724cbe5d5
commit ea2ffc0b6c
Notes: Henri Verbeet 2024-07-16 19:57:03 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/923
1 changed files with 63 additions and 7 deletions
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70
libs/vkd3d-shader/hlsl_codegen.c
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@ -4333,6 +4333,30 @@ static struct hlsl_reg allocate_register(struct hlsl_ctx *ctx, struct register_a
return ret;
}
/* Allocate a register with writemask, while reserving reg_writemask. */
static struct hlsl_reg allocate_register_with_masks(struct hlsl_ctx *ctx, struct register_allocator *allocator,
unsigned int first_write, unsigned int last_read, uint32_t reg_writemask, uint32_t writemask)
{
struct hlsl_reg ret = {0};
uint32_t reg_idx;
assert((reg_writemask & writemask) == writemask);
for (reg_idx = 0;; ++reg_idx)
{
if ((get_available_writemask(allocator, first_write, last_read, reg_idx) & reg_writemask) == reg_writemask)
break;
}
record_allocation(ctx, allocator, reg_idx, reg_writemask, first_write, last_read);
ret.id = reg_idx;
ret.allocation_size = 1;
ret.writemask = writemask;
ret.allocated = true;
return ret;
}
static bool is_range_available(const struct register_allocator *allocator,
unsigned int first_write, unsigned int last_read, uint32_t reg_idx, unsigned int reg_size)
{
@ -4536,6 +4560,44 @@ static void calculate_resource_register_counts(struct hlsl_ctx *ctx)
}
}
static void allocate_instr_temp_register(struct hlsl_ctx *ctx,
struct hlsl_ir_node *instr, struct register_allocator *allocator)
{
unsigned int reg_writemask = 0, dst_writemask = 0;
if (instr->reg.allocated || !instr->last_read)
return;
if (instr->type == HLSL_IR_EXPR)
{
switch (hlsl_ir_expr(instr)->op)
{
case HLSL_OP1_COS_REDUCED:
dst_writemask = VKD3DSP_WRITEMASK_0;
reg_writemask = ctx->profile->major_version < 3 ? (1 << 3) - 1 : VKD3DSP_WRITEMASK_0;
break;
case HLSL_OP1_SIN_REDUCED:
dst_writemask = VKD3DSP_WRITEMASK_1;
reg_writemask = ctx->profile->major_version < 3 ? (1 << 3) - 1 : VKD3DSP_WRITEMASK_1;
break;
default:
break;
}
}
if (reg_writemask)
instr->reg = allocate_register_with_masks(ctx, allocator,
instr->index, instr->last_read, reg_writemask, dst_writemask);
else
instr->reg = allocate_numeric_registers_for_type(ctx, allocator,
instr->index, instr->last_read, instr->data_type);
TRACE("Allocated anonymous expression @%u to %s (liveness %u-%u).\n", instr->index,
debug_register('r', instr->reg, instr->data_type), instr->index, instr->last_read);
}
static void allocate_variable_temp_register(struct hlsl_ctx *ctx,
struct hlsl_ir_var *var, struct register_allocator *allocator)
{
@ -4575,13 +4637,7 @@ static void allocate_temp_registers_recurse(struct hlsl_ctx *ctx,
if (ctx->profile->major_version >= 4 && instr->type == HLSL_IR_CONSTANT)
continue;
if (!instr->reg.allocated && instr->last_read)
{
instr->reg = allocate_numeric_registers_for_type(ctx, allocator, instr->index, instr->last_read,
instr->data_type);
TRACE("Allocated anonymous expression @%u to %s (liveness %u-%u).\n", instr->index,
debug_register('r', instr->reg, instr->data_type), instr->index, instr->last_read);
}
allocate_instr_temp_register(ctx, instr, allocator);
switch (instr->type)
{