[PATCH vkd3d 2/9] vkd3d-shader: Fix write mask for shader inputs.
From: Józef Kucia <jkucia(a)codeweavers.com> Shader inputs with non-contiguous write masks (e.g. xyw) were not handled properly in rare cases. Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com> --- libs/vkd3d-shader/spirv.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index 87950205ad61..738fcc94bfaf 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -2772,19 +2772,25 @@ static uint32_t vkd3d_dxbc_compiler_emit_load_scalar(struct vkd3d_dxbc_compiler uint32_t type_id, ptr_type_id, indexes[1], reg_id, val_id; unsigned int component_idx, reg_component_count; enum vkd3d_component_type component_type; + unsigned int skipped_component_mask; assert(reg->type != VKD3DSPR_IMMCONST); assert(vkd3d_write_mask_component_count(write_mask) == 1); component_idx = vkd3d_write_mask_get_component_idx(write_mask); component_idx = vkd3d_swizzle_get_component(swizzle, component_idx); + skipped_component_mask = ~reg_info->write_mask & ((VKD3DSP_WRITEMASK_0 << component_idx) - 1); + if (skipped_component_mask) + component_idx -= vkd3d_write_mask_component_count(skipped_component_mask); component_type = vkd3d_component_type_from_data_type(reg->data_type); reg_component_count = vkd3d_write_mask_component_count(reg_info->write_mask); - if (!(reg_info->write_mask & (VKD3DSP_WRITEMASK_0 << component_idx))) - ERR("Invalid component_idx for register %#x, %u (write_mask %#x).\n", - reg->type, reg->idx[0].offset, reg_info->write_mask); + if (component_idx >= vkd3d_write_mask_component_count(reg_info->write_mask)) + { + ERR("Invalid component_idx %u for register %#x, %u (write_mask %#x).\n", + component_idx, reg->type, reg->idx[0].offset, reg_info->write_mask); + } type_id = vkd3d_spirv_get_type_id(builder, reg_info->component_type, 1); reg_id = reg_info->id; @@ -3602,6 +3608,7 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi SpvStorageClass storage_class; struct rb_entry *entry = NULL; bool use_private_var = false; + unsigned int write_mask; unsigned int array_size; unsigned int reg_idx; uint32_t i, index; @@ -3635,6 +3642,8 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi builtin = get_spirv_builtin_for_sysval(compiler, sysval); + 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); if (builtin) @@ -3650,12 +3659,14 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi component_idx = vkd3d_write_mask_get_component_idx(signature_element->mask & 0xff); } - use_private_var = builtin && builtin->fixup_pfn; + if ((use_private_var = builtin && builtin->fixup_pfn)) + write_mask = dst->write_mask; if (input_component_count != VKD3D_VEC4_SIZE && vkd3d_count_signature_elements_for_reg(shader_signature, reg_idx) > 1) { use_private_var = true; component_count = VKD3D_VEC4_SIZE; + write_mask = VKD3DSP_WRITEMASK_ALL; } storage_class = SpvStorageClassInput; @@ -3692,8 +3703,7 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi if (!entry) { vkd3d_symbol_set_register_info(®_symbol, var_id, storage_class, - use_private_var ? VKD3D_TYPE_FLOAT : component_type, - use_private_var ? vkd3d_write_mask_from_component_count(component_count) : signature_element->mask & 0xff); + use_private_var ? VKD3D_TYPE_FLOAT : component_type, write_mask); vkd3d_dxbc_compiler_put_symbol(compiler, ®_symbol); vkd3d_dxbc_compiler_emit_register_debug_name(builder, var_id, reg); -- 2.21.0
participants (2)
-
Henri Verbeet -
Józef Kucia