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D3D12_DISPATCH_MESH_ARGUMENTS
構造体サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。
フィールド
| フィールド | 型 | サイズ | x64 | x86 | 説明 |
|---|---|---|---|---|---|
| ThreadGroupCountX | DWORD | 4 | +0 | +0 | メッシュシェーダ起動時のX方向スレッドグループ数。 |
| ThreadGroupCountY | DWORD | 4 | +4 | +4 | メッシュシェーダ起動時のY方向スレッドグループ数。 |
| ThreadGroupCountZ | DWORD | 4 | +8 | +8 | メッシュシェーダ起動時のZ方向スレッドグループ数。 |
各言語での定義
#include <windows.h>
// D3D12_DISPATCH_MESH_ARGUMENTS (x64 12 / x86 12 バイト)
typedef struct D3D12_DISPATCH_MESH_ARGUMENTS {
DWORD ThreadGroupCountX;
DWORD ThreadGroupCountY;
DWORD ThreadGroupCountZ;
} D3D12_DISPATCH_MESH_ARGUMENTS;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_DISPATCH_MESH_ARGUMENTS
{
public uint ThreadGroupCountX;
public uint ThreadGroupCountY;
public uint ThreadGroupCountZ;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_DISPATCH_MESH_ARGUMENTS
Public ThreadGroupCountX As UInteger
Public ThreadGroupCountY As UInteger
Public ThreadGroupCountZ As UInteger
End Structureimport ctypes
from ctypes import wintypes
class D3D12_DISPATCH_MESH_ARGUMENTS(ctypes.Structure):
_fields_ = [
("ThreadGroupCountX", wintypes.DWORD),
("ThreadGroupCountY", wintypes.DWORD),
("ThreadGroupCountZ", wintypes.DWORD),
]#[repr(C)]
pub struct D3D12_DISPATCH_MESH_ARGUMENTS {
pub ThreadGroupCountX: u32,
pub ThreadGroupCountY: u32,
pub ThreadGroupCountZ: u32,
}import "golang.org/x/sys/windows"
type D3D12_DISPATCH_MESH_ARGUMENTS struct {
ThreadGroupCountX uint32
ThreadGroupCountY uint32
ThreadGroupCountZ uint32
}type
D3D12_DISPATCH_MESH_ARGUMENTS = record
ThreadGroupCountX: DWORD;
ThreadGroupCountY: DWORD;
ThreadGroupCountZ: DWORD;
end;const D3D12_DISPATCH_MESH_ARGUMENTS = extern struct {
ThreadGroupCountX: u32,
ThreadGroupCountY: u32,
ThreadGroupCountZ: u32,
};type
D3D12_DISPATCH_MESH_ARGUMENTS {.bycopy.} = object
ThreadGroupCountX: uint32
ThreadGroupCountY: uint32
ThreadGroupCountZ: uint32struct D3D12_DISPATCH_MESH_ARGUMENTS
{
uint ThreadGroupCountX;
uint ThreadGroupCountY;
uint ThreadGroupCountZ;
}HSP用 定義
HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; D3D12_DISPATCH_MESH_ARGUMENTS サイズ: 12 バイト(x64)
dim st, 3 ; 4byte整数×3(構造体サイズ 12 / 4 切り上げ)
; ThreadGroupCountX : DWORD (+0, 4byte) st.0 = 値 / 値 = st.0 (lpoke/lpeek も可)
; ThreadGroupCountY : DWORD (+4, 4byte) st.1 = 値 / 値 = st.1 (lpoke/lpeek も可)
; ThreadGroupCountZ : DWORD (+8, 4byte) st.2 = 値 / 値 = st.2 (lpoke/lpeek も可)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
#defstruct global D3D12_DISPATCH_MESH_ARGUMENTS
#field int ThreadGroupCountX
#field int ThreadGroupCountY
#field int ThreadGroupCountZ
#endstruct
stdim st, D3D12_DISPATCH_MESH_ARGUMENTS ; NSTRUCT 変数を確保
st->ThreadGroupCountX = 100
mes "ThreadGroupCountX=" + st->ThreadGroupCountX