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vkd3d-shader/hlsl: Use a register_allocator to allocate semantic registers.

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Francisco Casas 2024-09-25 12:50:41 -03:00 committed by Henri Verbeet
parent 9ce7b7806f
commit 7180a96741
Notes: Henri Verbeet 2024-10-22 20:54:15 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1193
1 changed files with 9 additions and 8 deletions
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17
libs/vkd3d-shader/hlsl_codegen.c
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@ -5179,7 +5179,7 @@ uint32_t allocate_temp_registers(struct hlsl_ctx *ctx, struct hlsl_ir_function_d
}
static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var *var,
unsigned int *counter, bool output, bool is_patch_constant_func)
struct register_allocator *allocator, bool output, bool is_patch_constant_func)
{
static const char *const shader_names[] =
{
@ -5247,10 +5247,8 @@ static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var
}
else
{
var->regs[HLSL_REGSET_NUMERIC].allocated = true;
var->regs[HLSL_REGSET_NUMERIC].id = (*counter)++;
var->regs[HLSL_REGSET_NUMERIC].allocation_size = 1;
var->regs[HLSL_REGSET_NUMERIC].writemask = (1 << var->data_type->dimx) - 1;
var->regs[HLSL_REGSET_NUMERIC] = allocate_register(ctx, allocator, 1, UINT_MAX, 4, var->data_type->dimx, 0);
TRACE("Allocated %s to %s.\n", var->name, debug_register(output ? 'o' : 'v',
var->regs[HLSL_REGSET_NUMERIC], var->data_type));
}
@ -5258,17 +5256,20 @@ static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var
static void allocate_semantic_registers(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func)
{
struct register_allocator input_allocator = {0}, output_allocator = {0};
bool is_patch_constant_func = entry_func == ctx->patch_constant_func;
unsigned int input_counter = 0, output_counter = 0;
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(var, &entry_func->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (var->is_input_semantic)
allocate_semantic_register(ctx, var, &input_counter, false, is_patch_constant_func);
allocate_semantic_register(ctx, var, &input_allocator, false, is_patch_constant_func);
if (var->is_output_semantic)
allocate_semantic_register(ctx, var, &output_counter, true, is_patch_constant_func);
allocate_semantic_register(ctx, var, &output_allocator, true, is_patch_constant_func);
}
vkd3d_free(input_allocator.allocations);
vkd3d_free(output_allocator.allocations);
}
static const struct hlsl_buffer *get_reserved_buffer(struct hlsl_ctx *ctx,