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vkd3d-shader/ir: Include an initial label instruction in the first control flow block.

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This commit is contained in:
Conor McCarthy
2024-01-12 13:20:32 +10:00
committed by Alexandre Julliard
parent d402804851
commit 559d9d4ee0
Notes: Alexandre Julliard 2024-01-17 22:42:55 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/450
5 changed files with 84 additions and 26 deletions
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56
libs/vkd3d-shader/spirv.c
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@@ -1871,8 +1871,6 @@ static void vkd3d_spirv_builder_begin_main_function(struct vkd3d_spirv_builder *
vkd3d_spirv_build_op_function(builder, void_id,
builder->main_function_id, SpvFunctionControlMaskNone, function_type_id);
vkd3d_spirv_build_op_label(builder, vkd3d_spirv_alloc_id(builder));
builder->main_function_location = vkd3d_spirv_stream_current_location(&builder->function_stream);
}
static void vkd3d_spirv_builder_free(struct vkd3d_spirv_builder *builder)
@@ -2314,7 +2312,7 @@ struct spirv_compiler
struct vkd3d_push_constant_buffer_binding *push_constants;
const struct vkd3d_shader_spirv_target_info *spirv_target_info;
bool after_declarations_section;
bool prolog_emitted;
struct shader_signature input_signature;
struct shader_signature output_signature;
struct shader_signature patch_constant_signature;
@@ -2381,6 +2379,8 @@ static bool is_in_fork_or_join_phase(const struct spirv_compiler *compiler)
static void spirv_compiler_emit_initial_declarations(struct spirv_compiler *compiler);
static size_t spirv_compiler_get_current_function_location(struct spirv_compiler *compiler);
static void spirv_compiler_emit_main_prolog(struct spirv_compiler *compiler);
static void spirv_compiler_emit_io_declarations(struct spirv_compiler *compiler);
static const char *spirv_compiler_get_entry_point_name(const struct spirv_compiler *compiler)
{
@@ -6498,20 +6498,45 @@ static void spirv_compiler_enter_shader_phase(struct spirv_compiler *compiler,
vkd3d_spirv_build_op_function(builder, void_id, function_id,
SpvFunctionControlMaskNone, function_type_id);
vkd3d_spirv_build_op_label(builder, vkd3d_spirv_alloc_id(builder));
compiler->phase = instruction->handler_idx;
spirv_compiler_emit_shader_phase_name(compiler, function_id, NULL);
phase = (instruction->handler_idx == VKD3DSIH_HS_CONTROL_POINT_PHASE)
? &compiler->control_point_phase : &compiler->patch_constant_phase;
phase->function_id = function_id;
phase->function_location = vkd3d_spirv_stream_current_location(&builder->function_stream);
/* The insertion location must be set after the label is emitted. */
phase->function_location = 0;
if (instruction->handler_idx == VKD3DSIH_HS_CONTROL_POINT_PHASE)
compiler->emit_default_control_point_phase = instruction->flags;
}
static void spirv_compiler_initialise_block(struct spirv_compiler *compiler)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
/* Insertion locations must point immediately after the function's initial label. */
if (compiler->shader_type == VKD3D_SHADER_TYPE_HULL)
{
struct vkd3d_shader_phase *phase = (compiler->phase == VKD3DSIH_HS_CONTROL_POINT_PHASE)
? &compiler->control_point_phase : &compiler->patch_constant_phase;
if (!phase->function_location)
phase->function_location = vkd3d_spirv_stream_current_location(&builder->function_stream);
}
else if (!builder->main_function_location)
{
builder->main_function_location = vkd3d_spirv_stream_current_location(&builder->function_stream);
}
/* I/O declarations can result in emission of fixups, which must occur after the initial label. */
if (!compiler->prolog_emitted)
{
spirv_compiler_emit_main_prolog(compiler);
spirv_compiler_emit_io_declarations(compiler);
compiler->prolog_emitted = true;
}
}
static void spirv_compiler_emit_default_control_point_phase(struct spirv_compiler *compiler)
{
const struct shader_signature *output_signature = &compiler->output_signature;
@@ -6524,6 +6549,8 @@ static void spirv_compiler_emit_default_control_point_phase(struct spirv_compile
unsigned int component_count;
unsigned int i;
vkd3d_spirv_build_op_label(builder, vkd3d_spirv_alloc_id(builder));
spirv_compiler_initialise_block(compiler);
invocation_id = spirv_compiler_emit_load_invocation_id(compiler);
memset(&invocation, 0, sizeof(invocation));
@@ -6622,6 +6649,7 @@ static void spirv_compiler_emit_hull_shader_main(struct spirv_compiler *compiler
memset(compiler->descriptor_offset_ids, 0, compiler->offset_info.descriptor_table_count
* sizeof(*compiler->descriptor_offset_ids));
vkd3d_spirv_builder_begin_main_function(builder);
vkd3d_spirv_build_op_label(builder, vkd3d_spirv_alloc_id(builder));
void_id = vkd3d_spirv_get_op_type_void(builder);
@@ -7589,6 +7617,8 @@ static void spirv_compiler_emit_label(struct spirv_compiler *compiler,
--block_id;
if (block_id < compiler->block_name_count && compiler->block_names[block_id])
vkd3d_spirv_build_op_name(builder, label_id, compiler->block_names[block_id]);
spirv_compiler_initialise_block(compiler);
}
static void spirv_compiler_emit_merge(struct spirv_compiler *compiler,
@@ -9228,23 +9258,11 @@ static void spirv_compiler_emit_main_prolog(struct spirv_compiler *compiler)
spirv_compiler_emit_point_size(compiler);
}
static bool is_dcl_instruction(enum vkd3d_shader_opcode handler_idx)
{
return (VKD3DSIH_DCL <= handler_idx && handler_idx <= VKD3DSIH_DCL_VERTICES_OUT)
|| handler_idx == VKD3DSIH_HS_DECLS;
}
static int spirv_compiler_handle_instruction(struct spirv_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
int ret = VKD3D_OK;
if (!is_dcl_instruction(instruction->handler_idx) && !compiler->after_declarations_section)
{
compiler->after_declarations_section = true;
spirv_compiler_emit_main_prolog(compiler);
}
switch (instruction->handler_idx)
{
case VKD3DSIH_DCL_GLOBAL_FLAGS:
@@ -9692,8 +9710,6 @@ static int spirv_compiler_generate_spirv(struct spirv_compiler *compiler,
if (compiler->shader_type != VKD3D_SHADER_TYPE_HULL)
spirv_compiler_emit_shader_signature_outputs(compiler);
spirv_compiler_emit_io_declarations(compiler);
for (i = 0; i < instructions.count && result >= 0; ++i)
{
compiler->location.line = i + 1;