diff options
Diffstat (limited to 'src/mesa/shader/program_instruction.h')
| -rw-r--r-- | src/mesa/shader/program_instruction.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/mesa/shader/program_instruction.h b/src/mesa/shader/program_instruction.h index a6910bd2f8b..20886d9f021 100644 --- a/src/mesa/shader/program_instruction.h +++ b/src/mesa/shader/program_instruction.h @@ -54,7 +54,7 @@ /*@}*/ -/* +/** * Instruction precision for GL_NV_fragment_program */ /*@{*/ @@ -65,6 +65,16 @@ /** + * Saturation modes when storing values. + */ +/*@{*/ +#define SATURATE_OFF 0 +#define SATURATE_ZERO_ONE 1 +#define SATURATE_PLUS_MINUS_ONE 2 +/*@}*/ + + +/** * Program instruction opcodes, for both vertex and fragment programs. * \note changes to this opcode list must be reflected in t_vb_arbprogram.c */ @@ -267,8 +277,8 @@ struct prog_instruction * condition code register that is to be updated. * * In GL_NV_fragment_program or GL_NV_vertex_program2 mode, only condition - * code register 0 is available. In GL_NV_vertex_program3 mode, condition code registers - * 0 and 1 are available. + * code register 0 is available. In GL_NV_vertex_program3 mode, condition + * code registers 0 and 1 are available. * * \since * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2, @@ -280,11 +290,12 @@ struct prog_instruction * Saturate each value of the vectored result to the range [0,1] or the * range [-1,1]. \c SSAT mode (i.e., saturation to the range [-1,1]) is * only available in NV_fragment_program2 mode. + * Value is one of the SATURATE_* tokens. * * \since * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3. */ - GLuint Saturate:1; + GLuint SaturateMode:2; /** * Per-instruction selectable precision. |