// File: /workspace/github_cpp_makefile_star2_O2/srajangarg[P]raytracer/src/core/stb_image.hpp
// Function: stbi__bmp_parse_header(stbi__context*, stbi__bmp_data*)
static void *stbi__bmp_parse_header(stbi__context *s, stbi__bmp_data *info)
{
   int hsz;
   if (stbi__get8(s) != 'B' || stbi__get8(s) != 'M') return stbi__errpuc("not BMP", "Corrupt BMP");
   stbi__get32le(s); // discard filesize
   stbi__get16le(s); // discard reserved
   stbi__get16le(s); // discard reserved
   info->offset = stbi__get32le(s);
   info->hsz = hsz = stbi__get32le(s);
   
   if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108 && hsz != 124) return stbi__errpuc("unknown BMP", "BMP type not supported: unknown");
   if (hsz == 12) {
      s->img_x = stbi__get16le(s);
      s->img_y = stbi__get16le(s);
   } else {
      s->img_x = stbi__get32le(s);
      s->img_y = stbi__get32le(s);
   }
   if (stbi__get16le(s) != 1) return stbi__errpuc("bad BMP", "bad BMP");
   info->bpp = stbi__get16le(s);
   if (info->bpp == 1) return stbi__errpuc("monochrome", "BMP type not supported: 1-bit");
   if (hsz != 12) {
      int compress = stbi__get32le(s);
      if (compress == 1 || compress == 2) return stbi__errpuc("BMP RLE", "BMP type not supported: RLE");
      stbi__get32le(s); // discard sizeof
      stbi__get32le(s); // discard hres
      stbi__get32le(s); // discard vres
      stbi__get32le(s); // discard colorsused
      stbi__get32le(s); // discard max important
      if (hsz == 40 || hsz == 56) {
         if (hsz == 56) {
            stbi__get32le(s);
            stbi__get32le(s);
            stbi__get32le(s);
            stbi__get32le(s);
         }
         if (info->bpp == 16 || info->bpp == 32) {
            info->mr = info->mg = info->mb = 0;
            if (compress == 0) {
               if (info->bpp == 32) {
                  info->mr = 0xffu << 16;
                  info->mg = 0xffu <<  8;
                  info->mb = 0xffu <<  0;
                  info->ma = 0xffu << 24;
                  info->all_a = 0; // if all_a is 0 at end, then we loaded alpha channel but it was all 0
               } else {
                  info->mr = 31u << 10;
                  info->mg = 31u <<  5;
                  info->mb = 31u <<  0;
               }
            } else if (compress == 3) {
               info->mr = stbi__get32le(s);
               info->mg = stbi__get32le(s);
               info->mb = stbi__get32le(s);
               // not documented, but generated by photoshop and handled by mspaint
               if (info->mr == info->mg && info->mg == info->mb) {
                  // ?!?!?
                  return stbi__errpuc("bad BMP", "bad BMP");
               }
            } else
               return stbi__errpuc("bad BMP", "bad BMP");
         }
      } else {
         int i;
         if (hsz != 108 && hsz != 124)
            return stbi__errpuc("bad BMP", "bad BMP");
         info->mr = stbi__get32le(s);
         info->mg = stbi__get32le(s);
         info->mb = stbi__get32le(s);
         info->ma = stbi__get32le(s);
         stbi__get32le(s); // discard color space
         for (i=0; i < 12; ++i)
            stbi__get32le(s); // discard color space parameters
         if (hsz == 124) {
            stbi__get32le(s); // discard rendering intent
            stbi__get32le(s); // discard offset of profile data
            stbi__get32le(s); // discard size of profile data
            stbi__get32le(s); // discard reserved
         }
      }
   }
   return (void *) 1;
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r12
pushq %rbx
movq %rsi, %r14
movq %rdi, %rbx
callq 0x17a36
cmpb $0x42, %al
jne 0x19f91
movq %rbx, %rdi
callq 0x17a36
cmpb $0x4d, %al
jne 0x19f91
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x13054
movq %rbx, %rdi
callq 0x13054
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x4(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, %ebp
movl %eax, 0x8(%r14)
cmpl $0xc, %eax
je 0x19fde
cmpl $0x28, %ebp
je 0x19f52
cmpl $0x38, %ebp
je 0x19f52
cmpl $0x6c, %ebp
je 0x19f52
cmpl $0x7c, %ebp
jne 0x19fd5
movq %rbx, %rdi
callq 0x19eb3
movl %eax, (%rbx)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x4(%rbx)
movq %rbx, %rdi
callq 0x13054
cmpl $0x1, %eax
jne 0x1a15d
movq %rbx, %rdi
callq 0x13054
movl %eax, (%r14)
cmpl $0x1, %eax
jne 0x19fae
leaq 0x86fb(%rip), %rax      # 0x2268a
jmp 0x19f98
leaq 0x86d6(%rip), %rax      # 0x2266e
movq %rax, 0x15431(%rip)     # 0x2f3d0
xorl %r15d, %r15d
movq %r15, %rax
popq %rbx
popq %r12
popq %r14
popq %r15
popq %rbp
retq
pushq $0x1
popq %r15
cmpl $0xc, %ebp
je 0x19fa2
movq %rbx, %rdi
callq 0x19eb3
movl %eax, %r12d
leal -0x1(%r12), %eax
cmpl $0x1, %eax
ja 0x19ff5
leaq 0x86c2(%rip), %rax      # 0x22695
jmp 0x19f98
leaq 0x869a(%rip), %rax      # 0x22676
jmp 0x19f98
movq %rbx, %rdi
callq 0x13054
movl %eax, (%rbx)
movq %rbx, %rdi
callq 0x13054
jmp 0x19f64
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
cmpl $0x28, %ebp
je 0x1a055
cmpl $0x7c, %ebp
je 0x1a0a2
cmpl $0x6c, %ebp
je 0x1a0a2
cmpl $0x38, %ebp
jne 0x1a15d
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movl (%r14), %eax
cmpl $0x20, %eax
je 0x1a066
cmpl $0x10, %eax
jne 0x19fa2
andl $0x0, 0x14(%r14)
andq $0x0, 0xc(%r14)
cmpl $0x3, %r12d
je 0x1a125
testl %r12d, %r12d
jne 0x1a15d
cmpl $0x20, %eax
jne 0x1a169
movaps 0x7bad(%rip), %xmm0     # 0x21c40
movups %xmm0, 0xc(%r14)
andl $0x0, 0x1c(%r14)
jmp 0x19fa2
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0xc(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x10(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x14(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x18(%r14)
movq %rbx, %rdi
callq 0x19eb3
pushq $0xc
popq %r14
subl $0x1, %r14d
jb 0x1a0ee
movq %rbx, %rdi
callq 0x19eb3
jmp 0x1a0de
cmpl $0x6c, %ebp
je 0x19fa2
cmpl $0x7c, %ebp
jne 0x19f9f
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
movq %rbx, %rdi
callq 0x19eb3
jmp 0x19fa2
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0xc(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x10(%r14)
movq %rbx, %rdi
callq 0x19eb3
movl %eax, 0x14(%r14)
movl 0x10(%r14), %ecx
movl 0xc(%r14), %edx
xorl %ecx, %edx
xorl %eax, %ecx
orl %edx, %ecx
jne 0x19fa2
leaq 0x851e(%rip), %rax      # 0x22682
jmp 0x19f98
movabsq $0x3e000007c00, %rax    # imm = 0x3E000007C00
movq %rax, 0xc(%r14)
movl $0x1f, 0x14(%r14)
jmp 0x19fa2