user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<__glTexImage2D_size>:
  endbr64
  mov    %edx,%r9d
  mov    %ecx,%r8d
  mov    $0x0,%eax
  mov    %edx,%ecx
  or     %r8d,%ecx
  js     L42
  cmp    $0x9d,%edi
  jg     L158
  cmp    $0x91,%edi
  jle    L204
  lea    -0x92(%rdi),%ecx
  mov    $0x1,%eax
  shl    %cl,%rax
  test   $0x555,%eax
  jne    L227
  cmp    $0x93,%edi
  je     L168
  mov    $0x0,%eax
  cmp    $0x9d,%edi
  je     L163
L42:
  ret
L204:
  cmp    $0x90,%edi
  je     L196
  cmp    $0x91,%edi
  jne    L216
  mov    $0x3,%eax
L85:
  add    $0xffffff80,%esi
  cmp    $0x19,%esi
  ja     L208
  mov    %esi,%esi
  lea    D3(%rip),%rcx
  movslq (%rcx,%rsi,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
L216:
  ret
L163:
  mov    $0x4,%eax
  jmp    L195
L227:
  mov    $0x1,%eax
L195:
  add    $0xffffff80,%esi
  cmp    $0x1b,%esi
  ja     L52
  mov    %esi,%esi
  lea    D1(%rip),%rcx
  movslq (%rcx,%rsi,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  mov    $0x4,%eax
  mov    $0x1,%edx
  jmp    L7
  cmp    $0x98,%edi
  jne    L248
  lea    0xe(%r9),%eax
  add    $0x7,%r9d
  cmovns %r9d,%eax
  sar    $0x3,%eax
  imul   %r8d,%eax
  ret
  mov    $0x1,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x4,%eax
  mov    $0x2,%edx
L7:
  imul   %edx,%eax
  imul   %r9d,%eax
  imul   %r8d,%eax
  ret
  mov    $0x4,%eax
  mov    $0x4,%edx
  jmp    L7
  mov    $0x4,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x2,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x1,%edx
  jmp    L7
  mov    $0x2,%edx
  mov    $0x1,%eax
  jmp    L7
L158:
  mov    $0x0,%eax
  ret
L52:
  mov    $0x0,%eax
  ret
L248:
  mov    $0x0,%eax
  ret
L208:
  mov    $0x0,%eax
  ret
L190:
  mov    $0x0,%eax
  ret
L168:
  mov    $0x2,%eax
  jmp    L85
  mov    $0x2,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x1,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x4,%edx
  mov    $0x1,%eax
  jmp    L7
L196:
  add    $0xffffff80,%esi
  cmp    $0x19,%esi
  ja     L190
  mov    %esi,%esi
  lea    D23(%rip),%rdx
  movslq (%rdx,%rsi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x1,%edx
  mov    $0x1,%eax
  jmp    L7
  mov    $0x4,%edx
  mov    $0x1,%eax
  jmp    L7
```

assistant: ```c
GLint __glTexImage2D_size(GLenum format, GLenum type, GLsizei w, GLsizei h) {
  GLint elements, esize;
  if (w < 0)
    return 0;
  if (h < 0)
    return 0;
  switch (format) {
  case GL_COLOR_INDEX:
    elements = 1;
    break;
  case GL_RED:
  case GL_GREEN:
  case GL_BLUE:
  case GL_ALPHA:
  case GL_LUMINANCE:
    elements = 1;
    break;
  case GL_LUMINANCE_ALPHA:
    elements = 2;
    break;
  case GL_RGB:
    elements = 3;
    break;
  case GL_RGBA:
  case GL_ABGR_EXT:
    elements = 4;
    break;
  default:
    return 0;
  }
  switch (type) {
  case GL_BITMAP:
    if (format == GL_COLOR_INDEX) {
      return (h * ((w + 7) / 8));
    } else {
      return 0;
    }
  case GL_BYTE:
  case GL_UNSIGNED_BYTE:
    esize = 1;
    break;
  case GL_UNSIGNED_BYTE_3_3_2:
  case GL_UNSIGNED_BYTE_2_3_3_REV:
    esize = 1;
    elements = 1;
    break;
  case GL_SHORT:
  case GL_UNSIGNED_SHORT:
    esize = 2;
    break;
  case GL_UNSIGNED_SHORT_5_6_5:
  case GL_UNSIGNED_SHORT_5_6_5_REV:
  case GL_UNSIGNED_SHORT_4_4_4_4:
  case GL_UNSIGNED_SHORT_4_4_4_4_REV:
  case GL_UNSIGNED_SHORT_5_5_5_1:
  case GL_UNSIGNED_SHORT_1_5_5_5_REV:
    esize = 2;
    elements = 1;
    break;
  case GL_INT:
  case GL_UNSIGNED_INT:
  case GL_FLOAT:
    esize = 4;
    break;
  case GL_UNSIGNED_INT_8_8_8_8:
  case GL_UNSIGNED_INT_8_8_8_8_REV:
  case GL_UNSIGNED_INT_10_10_10_2:
  case GL_UNSIGNED_INT_2_10_10_10_REV:
    esize = 4;
    elements = 1;
    break;
  default:
    return 0;
  }
  return elements * esize * w * h;
}
```