Module: vkd3d Branch: master Commit: 91820630cb49ef645ca6251f63ce2ff63e0c568d URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=91820630cb49ef645ca6251f...
Author: Józef Kucia jkucia@codeweavers.com Date: Tue May 14 13:27:42 2019 +0200
vkd3d-shader: Try to avoid private IO variables even harder.
Signed-off-by: Józef Kucia jkucia@codeweavers.com Signed-off-by: Henri Verbeet hverbeet@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
libs/vkd3d-shader/spirv.c | 111 +++++++++++++++++++++++++++++++++++----------- 1 file changed, 86 insertions(+), 25 deletions(-)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index f85db11..e308ef3 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -3784,17 +3784,63 @@ static uint32_t vkd3d_dxbc_compiler_emit_builtin_variable(struct vkd3d_dxbc_comp return id; }
-static bool needs_private_io_variable(const struct vkd3d_shader_signature *signature, unsigned int reg_idx) +static bool vkd3d_write_mask_is_contiguous(unsigned int mask) { + unsigned int i, j; + + assert(mask); + for (i = 0, j = 0; i < VKD3D_VEC4_SIZE; ++i) + { + if (mask & (1u << i)) + ++j; + else if (j) + break; + } + + return vkd3d_write_mask_component_count(mask) == j; +} + +static bool needs_private_io_variable(const struct vkd3d_shader_signature *signature, + unsigned int reg_idx, const struct vkd3d_spirv_builtin *builtin, + unsigned int *component_count, unsigned int *out_write_mask) +{ + unsigned int write_mask = 0; + bool have_sysval = false; unsigned int i, count;
- count = 0; - for (i = 0; i < signature->element_count; ++i) + if (*component_count == VKD3D_VEC4_SIZE) + return false; + + for (i = 0, count = 0; i < signature->element_count; ++i) { - if (signature->elements[i].register_index == reg_idx) - ++count; + const struct vkd3d_shader_signature_element *current = &signature->elements[i]; + + if (current->register_index != reg_idx) + continue; + + write_mask |= current->mask & 0xff; + ++count; + + if (current->sysval_semantic) + have_sysval = true; } - return count > 1; + + if (count == 1) + return false; + + if (builtin || have_sysval) + return true; + + if (!vkd3d_write_mask_is_contiguous(write_mask)) + { + FIXME("Write mask %#x is non-contiguous.\n", write_mask); + return true; + } + + assert(vkd3d_write_mask_component_count(write_mask) >= *component_count); + *component_count = vkd3d_write_mask_component_count(write_mask); + *out_write_mask = write_mask; + return false; }
static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler, @@ -3865,9 +3911,11 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi }
if ((use_private_var = builtin && builtin->fixup_pfn)) - write_mask = dst->write_mask; - - if (input_component_count != VKD3D_VEC4_SIZE && needs_private_io_variable(shader_signature, reg_idx)) + { + component_count = VKD3D_VEC4_SIZE; + write_mask = VKD3DSP_WRITEMASK_ALL; + } + else if (needs_private_io_variable(shader_signature, reg_idx, builtin, &input_component_count, &write_mask)) { use_private_var = true; component_count = VKD3D_VEC4_SIZE; @@ -3876,9 +3924,16 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
storage_class = SpvStorageClassInput;
+ vkd3d_symbol_make_register(®_symbol, reg); + if (builtin) { input_id = vkd3d_dxbc_compiler_emit_builtin_variable(compiler, builtin, storage_class, array_size); + entry = rb_get(&compiler->symbol_table, ®_symbol); + } + else if ((entry = rb_get(&compiler->symbol_table, ®_symbol))) + { + input_id = RB_ENTRY_VALUE(entry, const struct vkd3d_symbol, entry)->id; } else { @@ -3895,18 +3950,17 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi if (reg->type == VKD3DSPR_PATCHCONST) vkd3d_spirv_build_op_decorate(builder, input_id, SpvDecorationPatch, NULL, 0);
- vkd3d_symbol_make_register(®_symbol, reg); - - if (!use_private_var) + if (entry || !use_private_var) { var_id = input_id; } - else if (!(entry = rb_get(&compiler->symbol_table, ®_symbol))) + else { storage_class = SpvStorageClassPrivate; var_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream, storage_class, VKD3D_TYPE_FLOAT, component_count, array_size); } + if (!entry) { vkd3d_symbol_set_register_info(®_symbol, var_id, storage_class, @@ -4159,11 +4213,11 @@ static void vkd3d_dxbc_compiler_emit_output_register(struct vkd3d_dxbc_compiler static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler, const struct vkd3d_shader_dst_param *dst, enum vkd3d_shader_input_sysval_semantic sysval) { - unsigned int component_idx, component_count, output_component_count; struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; const struct vkd3d_shader_signature_element *signature_element; const struct vkd3d_shader_signature *shader_signature; const struct vkd3d_shader_register *reg = &dst->reg; + unsigned int component_idx, output_component_count; const struct vkd3d_spirv_builtin *builtin; enum vkd3d_component_type component_type; const struct vkd3d_shader_phase *phase; @@ -4196,7 +4250,6 @@ static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler write_mask = signature_element->mask & 0xff;
component_idx = vkd3d_write_mask_get_component_idx(dst->write_mask); - component_count = vkd3d_write_mask_component_count(dst->write_mask); output_component_count = vkd3d_write_mask_component_count(signature_element->mask & 0xff); if (builtin) { @@ -4208,25 +4261,34 @@ static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler { component_type = signature_element->component_type; } - assert(component_count <= output_component_count);
storage_class = SpvStorageClassOutput;
if ((use_private_variable = builtin && builtin->spirv_array_size)) write_mask = dst->write_mask; - - if ((component_count != VKD3D_VEC4_SIZE && needs_private_io_variable(shader_signature, signature_element->register_index)) - || get_shader_output_swizzle(compiler, signature_element->register_index) != VKD3D_NO_SWIZZLE) + else if (get_shader_output_swizzle(compiler, signature_element->register_index) != VKD3D_NO_SWIZZLE + || needs_private_io_variable(shader_signature, signature_element->register_index, + builtin, &output_component_count, &write_mask)) { use_private_variable = true; write_mask = VKD3DSP_WRITEMASK_ALL; }
+ vkd3d_symbol_make_register(®_symbol, reg); + if (compiler->output_info[signature_idx].id) { id = compiler->output_info[signature_idx].id; - use_private_variable = true; - write_mask = VKD3DSP_WRITEMASK_ALL; + if (compiler->output_info[signature_idx].array_element_mask) + { + use_private_variable = true; + write_mask = VKD3DSP_WRITEMASK_ALL; + entry = rb_get(&compiler->symbol_table, ®_symbol); + } + } + else if ((entry = rb_get(&compiler->symbol_table, ®_symbol))) + { + id = RB_ENTRY_VALUE(entry, const struct vkd3d_symbol, entry)->id; } else { @@ -4269,11 +4331,10 @@ static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler if (use_private_variable) storage_class = SpvStorageClassPrivate;
- vkd3d_symbol_make_register(®_symbol, reg); - if (!use_private_variable) - var_id = id; - else if ((entry = rb_get(&compiler->symbol_table, ®_symbol))) + if (entry) var_id = RB_ENTRY_VALUE(entry, const struct vkd3d_symbol, entry)->id; + else if (!use_private_variable) + var_id = id; else var_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream, storage_class, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);