diff options
Diffstat (limited to 'src/mesa/tnl/t_context.h')
| -rw-r--r-- | src/mesa/tnl/t_context.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h index ab146b29305..a9d36d24882 100644 --- a/src/mesa/tnl/t_context.h +++ b/src/mesa/tnl/t_context.h @@ -88,6 +88,13 @@ * in mtypes.h. However, the tnl module has additional attributes * for materials, color indexes, edge flags, etc. */ +/* Note: These are currently being used to define both inputs and + * outputs from the tnl pipeline. A better solution (which would also + * releive the congestion to slightly prolong the life of the bitmask + * below) is to have the fixed function pipeline populate a set of + * arrays named after those produced by the vertex program stage, and + * have the rest the mesa backend work on those. + */ enum { _TNL_ATTRIB_POS = 0, _TNL_ATTRIB_WEIGHT = 1, @@ -119,7 +126,8 @@ enum { _TNL_ATTRIB_MAT_BACK_INDEXES = 27, _TNL_ATTRIB_INDEX = 28, _TNL_ATTRIB_EDGEFLAG = 29, - _TNL_ATTRIB_MAX = 30 + _TNL_ATTRIB_POINTSIZE = 30, + _TNL_ATTRIB_MAX = 31 } ; /* Will probably have to revise this scheme fairly shortly, eg. by @@ -156,6 +164,7 @@ enum { #define _TNL_BIT_MAT_BACK_INDEXES (1<<27) #define _TNL_BIT_INDEX (1<<28) #define _TNL_BIT_EDGEFLAG (1<<29) +#define _TNL_BIT_POINTSIZE (1<<30) #define _TNL_BIT_TEX(u) (1 << (_TNL_ATTRIB_TEX0 + (u))) @@ -495,20 +504,24 @@ struct tnl_pipeline { GLuint nr_stages; }; +struct tnl_clipspace_attr; + +typedef void (*extract_func)( const struct tnl_clipspace_attr *a, GLfloat *out, + const GLubyte *v ); + +typedef void (*insert_func)( const struct tnl_clipspace_attr *a, GLubyte *v, + const GLfloat *in ); + struct tnl_clipspace_attr { int attrib; int vertoffset; int vertattrsize; - GLfloat *inputptr; + GLubyte *inputptr; int inputstride; - - void (*insert)( const struct tnl_clipspace_attr *a, - char *v, const GLfloat *input ); - - void (*extract)( const struct tnl_clipspace_attr *a, - GLfloat *output, const char *v ); - + insert_func *insert; + insert_func emit; + extract_func extract; const GLfloat *vp; }; |