diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-05-30 16:26:55 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-05-30 16:26:55 -0600 |
| commit | 02a47549ad182d28d330063d4f452108e3a4b452 (patch) | |
| tree | 3e0926ac3024216e0fe21b201e33ae7bf782dc7d /src/mesa | |
| parent | 092a9ecbba4d766da9c0becf888818c020ac226d (diff) | |
sketch out texture sampler state
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/softpipe/sp_defines.h | 19 | ||||
| -rw-r--r-- | src/mesa/softpipe/sp_state.h | 24 |
2 files changed, 43 insertions, 0 deletions
diff --git a/src/mesa/softpipe/sp_defines.h b/src/mesa/softpipe/sp_defines.h index e1c773a407..c381865dab 100644 --- a/src/mesa/softpipe/sp_defines.h +++ b/src/mesa/softpipe/sp_defines.h @@ -89,6 +89,7 @@ #define SP_STENCIL_OP_DECR_WRAP 6 #define SP_STENCIL_OP_INVERT 7 +/* Note: same as stencil funcs. Also used for shadow/depth compare */ #define SP_DEPTH_FUNC_NEVER 0 #define SP_DEPTH_FUNC_LESS 1 #define SP_DEPTH_FUNC_EQUAL 2 @@ -98,5 +99,23 @@ #define SP_DEPTH_FUNC_GEQUAL 6 #define SP_DEPTH_FUNC_ALWAYS 7 +#define SP_TEX_WRAP_REPEAT 0 +#define SP_TEX_WRAP_CLAMP 1 +#define SP_TEX_WRAP_CLAMP_TO_EDGE 2 +#define SP_TEX_WRAP_CLAMP_TO_BORDER 3 +#define SP_TEX_WRAP_MIRROR_REPEAT 4 +#define SP_TEX_WRAP_MIRROR_CLAMP 5 +#define SP_TEX_WRAP_MIRROR_CLAMP_TO_EDGE 6 +#define SP_TEX_WRAP_MIRROR_CLAMP_TO_BORDER 7 + +#define SP_TEX_FILTER_NEAREST 0 +#define SP_TEX_FILTER_LINEAR 1 +#define SP_TEX_FILTER_NEAREST_MIPMAP_NEAREST 2 +#define SP_TEX_FILTER_NEAREST_MIPMAP_LINEAR 3 +#define SP_TEX_FILTER_LINEAR_MIPMAP_NEAREST 4 +#define SP_TEX_FILTER_LINEAR_MIPMAP_LINEAR 5 + +#define SP_TEX_COMPARE_NONE 0 +#define SP_TEX_COMPARE_R_TO_TEXTURE 1 #endif diff --git a/src/mesa/softpipe/sp_state.h b/src/mesa/softpipe/sp_state.h index 634b9e9868..150fa9fcad 100644 --- a/src/mesa/softpipe/sp_state.h +++ b/src/mesa/softpipe/sp_state.h @@ -157,4 +157,28 @@ struct softpipe_surface { }; +/** + * Texture sampler state. + */ +struct softpipe_sampler_state +{ + GLuint wrap_s:3; /**< SP_TEX_WRAP_x */ + GLuint wrap_t:3; /**< SP_TEX_WRAP_x */ + GLuint wrap_r:3; /**< SP_TEX_WRAP_x */ + GLuint min_filter:3; /**< SP_TEX_FILTER_x */ + GLuint mag_filter:1; /**< SP_TEX_FILTER_LINEAR or _NEAREST */ + GLfloat min_lod; + GLfloat max_lod; + GLfloat lod_bias; +#if 0 /* need these? */ + GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */ + GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */ +#endif + GLfloat max_anisotropy; + GLuint compare:1; /**< shadow/depth compare enabled? */ + GLenum compare_mode:1; /**< SP_TEX_COMPARE_x */ + GLenum compare_func:3; /**< SP_DEPTH_FUNC_x */ + GLfloat shadow_ambient; /**< shadow test fail color/intensity */ +}; + #endif |