src/mesa/pipe/tgsi/util/tgsi_util.h

   1 #if !defined TGSI_UTIL_H
   2 #define TGSI_UTIL_H
   3
   4 #if defined __cplusplus
   5 extern "C" {
   6 #endif // defined __cplusplus
   7
   8 void *
   9 tgsi_align_128bit(
  10    void *unaligned );
  11
  12 unsigned
  13 tgsi_util_get_src_register_swizzle(
  14    const struct tgsi_src_register *reg,
  15    unsigned component );
  16
  17 unsigned
  18 tgsi_util_get_src_register_extswizzle(
  19    const struct tgsi_src_register_ext_swz *reg,
  20    unsigned component);
  21
  22 unsigned
  23 tgsi_util_get_full_src_register_extswizzle(
  24    const struct tgsi_full_src_register *reg,
  25    unsigned component );
  26
  27 void
  28 tgsi_util_set_src_register_swizzle(
  29    struct tgsi_src_register *reg,
  30    unsigned swizzle,
  31    unsigned component );
  32
  33 void
  34 tgsi_util_set_src_register_extswizzle(
  35    struct tgsi_src_register_ext_swz *reg,
  36    unsigned swizzle,
  37    unsigned component );
  38
  39 unsigned
  40 tgsi_util_get_src_register_extnegate(
  41    const struct tgsi_src_register_ext_swz *reg,
  42    unsigned component );
  43
  44 void
  45 tgsi_util_set_src_register_extnegate(
  46    struct tgsi_src_register_ext_swz *reg,
  47    unsigned negate,
  48    unsigned component );
  49
  50 #define TGSI_UTIL_SIGN_CLEAR    0   /* Force positive */
  51 #define TGSI_UTIL_SIGN_SET      1   /* Force negative */
  52 #define TGSI_UTIL_SIGN_TOGGLE   2   /* Negate */
  53 #define TGSI_UTIL_SIGN_KEEP     3   /* No change */
  54
  55 unsigned
  56 tgsi_util_get_full_src_register_sign_mode(
  57    const struct tgsi_full_src_register *reg,
  58    unsigned component );
  59
  60 void
  61 tgsi_util_set_full_src_register_sign_mode(
  62    struct tgsi_full_src_register *reg,
  63    unsigned sign_mode );
  64
  65 #if defined __cplusplus
  66 } // extern "C"
  67 #endif // defined __cplusplus
  68
  69 #endif // !defined TGSI_UTIL_H
  70