diff options
Diffstat (limited to 'src/mesa/tnl/t_context.h')
| -rw-r--r-- | src/mesa/tnl/t_context.h | 162 |
1 files changed, 82 insertions, 80 deletions
diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h index a7ecb346b70..7142f316165 100644 --- a/src/mesa/tnl/t_context.h +++ b/src/mesa/tnl/t_context.h @@ -1,4 +1,4 @@ -/* $Id: t_context.h,v 1.29 2001/06/28 17:34:14 keithw Exp $ */ +/* $Id: t_context.h,v 1.30 2001/07/12 22:09:22 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -376,6 +376,9 @@ typedef void (*interp_func)( GLcontext *ctx, GLfloat t, GLuint dst, GLuint out, GLuint in, GLboolean force_boundary ); typedef void (*copy_pv_func)( GLcontext *ctx, GLuint dst, GLuint src ); +typedef void (*setup_func)( GLcontext *ctx, + GLuint start, GLuint end, + GLuint new_inputs); struct tnl_device_driver { @@ -390,87 +393,86 @@ struct tnl_device_driver { */ /*** - *** Rendering + *** Rendering -- These functions called only from t_vb_render.c ***/ - - void (*RenderStart)(GLcontext *ctx); - void (*RenderFinish)(GLcontext *ctx); - /* Called before and after all rendering operations, including DrawPixels, - * ReadPixels, Bitmap, span functions, and CopyTexImage, etc commands. - * These are a suitable place for grabbing/releasing hardware locks. - */ - - void (*RenderPrimitive)(GLcontext *ctx, GLenum mode); - /* Called between RednerStart() and RenderFinish() to indicate the - * type of primitive we're about to draw. Mode will be one of the - * modes accepted by glBegin(). - */ - - interp_func RenderInterp; - /* The interp function is called by the clipping routines when we need - * to generate an interpolated vertex. All pertinant vertex ancilliary - * data should be computed by interpolating between the 'in' and 'out' - * vertices. - */ - - copy_pv_func RenderCopyPV; - /* The copy function is used to make a copy of a vertex. All pertinant - * vertex attributes should be copied. - */ - - void (*RenderClippedPolygon)( GLcontext *ctx, const GLuint *elts, GLuint n ); - /* Render a polygon with <n> vertices whose indexes are in the <elts> - * array. - */ - - void (*RenderClippedLine)( GLcontext *ctx, GLuint v0, GLuint v1 ); - /* Render a line between the two vertices given by indexes v0 and v1. */ - - points_func PointsFunc; /* must now respect vb->elts */ - line_func LineFunc; - triangle_func TriangleFunc; - quad_func QuadFunc; - /* These functions are called in order to render points, lines, - * triangles and quads. These are only called via the T&L module. - */ - - render_func *RenderTabVerts; - render_func *RenderTabElts; - /* Render whole unclipped primitives (points, lines, linestrips, - * lineloops, etc). The tables are indexed by the GL enum of the - * primitive to be rendered. RenderTabVerts is used for non-indexed - * arrays of vertices. RenderTabElts is used for indexed arrays of - * vertices. - */ - - void (*ResetLineStipple)( GLcontext *ctx ); - /* Reset the hardware's line stipple counter. - */ - - void (*BuildProjectedVertices)( GLcontext *ctx, - GLuint start, GLuint end, - GLuint new_inputs); - /* This function is called whenever new vertices are required for - * rendering. The vertices in question are those n such that start - * <= n < end. The new_inputs parameter indicates those fields of - * the vertex which need to be updated, if only a partial repair of - * the vertex is required. - * - * This function is called only from _tnl_render_stage in tnl/t_render.c. - */ - - - GLboolean (*MultipassFunc)( GLcontext *ctx, GLuint passno ); - /* Driver may request additional render passes by returning GL_TRUE - * when this function is called. This function will be called - * after the first pass, and passes will be made until the function - * returns GL_FALSE. If no function is registered, only one pass - * is made. - * - * This function will be first invoked with passno == 1. - */ + struct { + void (*Start)(GLcontext *ctx); + void (*Finish)(GLcontext *ctx); + /* Called before and after all rendering operations, including DrawPixels, + * ReadPixels, Bitmap, span functions, and CopyTexImage, etc commands. + * These are a suitable place for grabbing/releasing hardware locks. + */ + + void (*PrimitiveNotify)(GLcontext *ctx, GLenum mode); + /* Called between RenderStart() and RenderFinish() to indicate the + * type of primitive we're about to draw. Mode will be one of the + * modes accepted by glBegin(). + */ + + interp_func Interp; + /* The interp function is called by the clipping routines when we need + * to generate an interpolated vertex. All pertinant vertex ancilliary + * data should be computed by interpolating between the 'in' and 'out' + * vertices. + */ + + copy_pv_func CopyPV; + /* The copy function is used to make a copy of a vertex. All pertinant + * vertex attributes should be copied. + */ + + void (*ClippedPolygon)( GLcontext *ctx, const GLuint *elts, GLuint n ); + /* Render a polygon with <n> vertices whose indexes are in the <elts> + * array. + */ + + void (*ClippedLine)( GLcontext *ctx, GLuint v0, GLuint v1 ); + /* Render a line between the two vertices given by indexes v0 and v1. */ + + points_func Points; /* must now respect vb->elts */ + line_func Line; + triangle_func Triangle; + quad_func Quad; + /* These functions are called in order to render points, lines, + * triangles and quads. These are only called via the T&L module. + */ + + render_func *PrimTabVerts; + render_func *PrimTabElts; + /* Render whole unclipped primitives (points, lines, linestrips, + * lineloops, etc). The tables are indexed by the GL enum of the + * primitive to be rendered. RenderTabVerts is used for non-indexed + * arrays of vertices. RenderTabElts is used for indexed arrays of + * vertices. + */ + + void (*ResetLineStipple)( GLcontext *ctx ); + /* Reset the hardware's line stipple counter. + */ + + setup_func BuildVertices; + /* This function is called whenever new vertices are required for + * rendering. The vertices in question are those n such that start + * <= n < end. The new_inputs parameter indicates those fields of + * the vertex which need to be updated, if only a partial repair of + * the vertex is required. + * + * This function is called only from _tnl_render_stage in tnl/t_render.c. + */ + + + GLboolean (*Multipass)( GLcontext *ctx, GLuint passno ); + /* Driver may request additional render passes by returning GL_TRUE + * when this function is called. This function will be called + * after the first pass, and passes will be made until the function + * returns GL_FALSE. If no function is registered, only one pass + * is made. + * + * This function will be first invoked with passno == 1. + */ + } Render; }; - + typedef struct { |