1 #ifndef _INCLUDE_MOJOSHADER_INTERNAL_H_

     2 #define _INCLUDE_MOJOSHADER_INTERNAL_H_

     3 

     4 #ifndef __MOJOSHADER_INTERNAL__

     5 #error Do not include this header from your applications.

     6 #endif

     7 

     8 // Shader bytecode format is described at MSDN:

     9 //  http://msdn2.microsoft.com/en-us/library/ms800307.aspx

    10 

    11 #include <stdio.h>

    12 #include <string.h>

    13 #include <stdlib.h>

    14 #include <stdarg.h>

    15 #include <assert.h>

    16 

    17 #include "mojoshader.h"

    18 

    19 #if (defined(__APPLE__) && defined(__MACH__))

    20 #define PLATFORM_MACOSX 1

    21 #endif

    22 

    23 // This is the highest shader version we currently support.

    24 

    25 #define MAX_SHADER_MAJOR 3

    26 #define MAX_SHADER_MINOR 0

    27 

    28 

    29 // If SUPPORT_PROFILE_* isn't defined, we assume an implicit desire to support.

    30 //  You get all the profiles unless you go out of your way to disable them.

    31 

    32 #ifndef SUPPORT_PROFILE_D3D

    33 #define SUPPORT_PROFILE_D3D 1

    34 #endif

    35 

    36 #ifndef SUPPORT_PROFILE_PASSTHROUGH

    37 #define SUPPORT_PROFILE_PASSTHROUGH 1

    38 #endif

    39 

    40 #ifndef SUPPORT_PROFILE_GLSL

    41 #define SUPPORT_PROFILE_GLSL 1

    42 #endif

    43 

    44 #ifndef SUPPORT_PROFILE_ARB1

    45 #define SUPPORT_PROFILE_ARB1 1

    46 #endif

    47 

    48 

    49 // Get basic wankery out of the way here...

    50 

    51 #ifdef _WINDOWS

    52 #define ENDLINE_STR "\r\n"

    53 #else

    54 #define ENDLINE_STR "\n";

    55 #endif

    56 

    57 typedef unsigned int uint;  // this is a printf() helper. don't use for code.

    58 

    59 #ifdef _MSC_VER

    60 #include <malloc.h>

    61 #define snprintf _snprintf

    62 typedef unsigned __int8 uint8;

    63 typedef unsigned __int16 uint16;

    64 typedef unsigned __int32 uint32;

    65 typedef __int32 int32;

    66 // Warning Level 4 considered harmful.  :)

    67 #pragma warning(disable: 4100)  // "unreferenced formal parameter"

    68 #pragma warning(disable: 4389)  // "signed/unsigned mismatch"

    69 #else

    70 #include <stdint.h>

    71 typedef uint8_t uint8;

    72 typedef uint16_t uint16;

    73 typedef uint32_t uint32;

    74 typedef int32_t int32;

    75 #endif

    76 

    77 #ifdef __GNUC__

    78 #define ISPRINTF(x,y) __attribute__((format (printf, x, y)))

    79 #else

    80 #define ISPRINTF(x,y)

    81 #endif

    82 

    83 #define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )

    84 

    85 // Special-case return values from the parsing pipeline...

    86 #define FAIL (-1)

    87 #define NOFAIL (-2)

    88 #define END_OF_STREAM (-3)

    89 

    90 

    91 // Byteswap magic...

    92 

    93 #if ((defined __GNUC__) && (defined __POWERPC__))

    94     static inline uint32 SWAP32(uint32 x)

    95     {

    96         __asm__ __volatile__("lwbrx %0,0,%1" : "=r" (x) : "r" (&x));

    97         return x;

    98     } // SWAP32

    99     static inline uint16 SWAP16(uint16 x)

   100     {

   101         __asm__ __volatile__("lhbrx %0,0,%1" : "=r" (x) : "r" (&x));

   102         return x;

   103     } // SWAP16

   104 #elif defined(__POWERPC__)

   105     static inline uint32 SWAP32(uint32 x)

   106     {

   107         return ( (((x) >> 24) & 0x000000FF) | (((x) >>  8) & 0x0000FF00) |

   108                  (((x) <<  8) & 0x00FF0000) | (((x) << 24) & 0xFF000000) );

   109     } // SWAP32

   110     static inline uint16 SWAP16(uint16 x)

   111     {

   112         return ( (((x) >> 8) & 0x00FF) | (((x) << 8) & 0xFF00) );

   113     } // SWAP16

   114 #else

   115 #   define SWAP16(x) (x)

   116 #   define SWAP32(x) (x)

   117 #endif

   118 

   119 #endif  // _INCLUDE_MOJOSHADER_INTERNAL_H_

   120 

   121 // end of mojoshader_internal.h ...

   122