diff options
Diffstat (limited to 'src/mesa/tnl/t_context.h')
| -rw-r--r-- | src/mesa/tnl/t_context.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h index 1647fec128..d08da93abd 100644 --- a/src/mesa/tnl/t_context.h +++ b/src/mesa/tnl/t_context.h @@ -1,4 +1,4 @@ -/* $Id: t_context.h,v 1.44 2003/01/14 04:55:47 brianp Exp $ */ +/* $Id: t_context.h,v 1.45 2003/03/28 01:39:04 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -143,9 +143,10 @@ /** - * KW: Represents everything that can take place between a begin and - * end, and can represent multiple begin/end pairs. Can be used to - * losslessly encode this information in display lists. + * Stores everything that can take place between a glBegin and glEnd. + * Adjacent glBegin/glEnd pairs are stored back-to-back when there's no + * state changes between them. + * Used for immediate mode rendering and display lists. */ struct immediate { @@ -196,6 +197,9 @@ struct immediate * of individual arrays as we did prior to Mesa 4.1. * * XXX may need to use 32-byte aligned allocation for this!!! + * XXX replace this with GLfloat *Attrib[VERT_ATTRIB_MAX] and allocate + * the attribute arrays as needed, so save memory. As is, we're using + * 256 bytes per vertex (16 attribs * 4 comps/attrib * 4 bytes/comp). */ GLfloat Attrib[VERT_ATTRIB_MAX][IMM_SIZE][4]; /* GL_NV_vertex_program */ @@ -219,6 +223,11 @@ struct vertex_arrays GLvector4f TexCoord[MAX_TEXTURE_COORD_UNITS]; GLvector1ui Elt; GLvector4f FogCoord; + + /* These attributes don't alias with the conventional attributes. + * The GL_NV_vertex_program extension defines 16 extra sets of vertex + * arrays which have precedent over the conventional arrays when enabled. + */ GLvector4f Attribs[VERT_ATTRIB_MAX]; }; |