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vkd3d-shader/d3dbc: Use vsir_program I/O signatures to write dcls.

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Instead of relying on ctx->extern vars, semantics are now stored in the
vsir_program signatures, and then read to write the declarations.
This commit is contained in:
Francisco Casas
2024-05-21 14:51:17 -04:00
committed by Henri Verbeet
parent 704ce03561
commit daa13934a4
Notes: Henri Verbeet 2024-07-09 21:08:22 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/877
2 changed files with 98 additions and 16 deletions
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79
libs/vkd3d-shader/hlsl_codegen.c
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@@ -5527,6 +5527,83 @@ void hlsl_run_const_passes(struct hlsl_ctx *ctx, struct hlsl_block *body)
} while (progress);
}
static void sm1_generate_vsir_signature_entry(struct hlsl_ctx *ctx,
struct vsir_program *program, bool output, struct hlsl_ir_var *var)
{
enum vkd3d_shader_sysval_semantic sysval = VKD3D_SHADER_SV_NONE;
enum vkd3d_shader_register_type type;
struct shader_signature *signature;
struct signature_element *element;
unsigned int register_index, mask;
if ((!output && !var->last_read) || (output && !var->first_write))
return;
if (output)
signature = &program->output_signature;
else
signature = &program->input_signature;
if (!vkd3d_array_reserve((void **)&signature->elements, &signature->elements_capacity,
signature->element_count + 1, sizeof(*signature->elements)))
{
ctx->result = VKD3D_ERROR_OUT_OF_MEMORY;
return;
}
element = &signature->elements[signature->element_count++];
if (!hlsl_sm1_register_from_semantic(&program->shader_version,
var->semantic.name, var->semantic.index, output, &type, &register_index))
{
unsigned int usage, usage_idx;
bool ret;
register_index = var->regs[HLSL_REGSET_NUMERIC].id;
ret = hlsl_sm1_usage_from_semantic(var->semantic.name, var->semantic.index, &usage, &usage_idx);
assert(ret);
/* With the exception of vertex POSITION output, none of these are
* system values. Pixel POSITION input is not equivalent to
* SV_Position; the closer equivalent is VPOS, which is not declared
* as a semantic. */
if (program->shader_version.type == VKD3D_SHADER_TYPE_VERTEX
&& output && usage == VKD3D_DECL_USAGE_POSITION)
sysval = VKD3D_SHADER_SV_POSITION;
}
mask = (1 << var->data_type->dimx) - 1;
memset(element, 0, sizeof(*element));
if (!(element->semantic_name = vkd3d_strdup(var->semantic.name)))
{
--signature->element_count;
ctx->result = VKD3D_ERROR_OUT_OF_MEMORY;
return;
}
element->semantic_index = var->semantic.index;
element->sysval_semantic = sysval;
element->component_type = VKD3D_SHADER_COMPONENT_FLOAT;
element->register_index = register_index;
element->target_location = register_index;
element->register_count = 1;
element->mask = mask;
element->used_mask = mask;
if (program->shader_version.type == VKD3D_SHADER_TYPE_PIXEL && !output)
element->interpolation_mode = VKD3DSIM_LINEAR;
}
static void sm1_generate_vsir_signature(struct hlsl_ctx *ctx, struct vsir_program *program)
{
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (var->is_input_semantic)
sm1_generate_vsir_signature_entry(ctx, program, false, var);
if (var->is_output_semantic)
sm1_generate_vsir_signature_entry(ctx, program, true, var);
}
}
/* OBJECTIVE: Translate all the information from ctx and entry_func to the
* vsir_program and ctab blob, so they can be used as input to d3dbc_compile()
* without relying on ctx and entry_func. */
@@ -5554,6 +5631,8 @@ static void sm1_generate_vsir(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl
}
ctab->code = buffer.data;
ctab->size = buffer.size;
sm1_generate_vsir_signature(ctx, program);
}
int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func,