diff options
| -rw-r--r-- | src/mesa/vbo/vbo.h | 36 | ||||
| -rw-r--r-- | src/mesa/vbo/vbo_context.h | 8 |
2 files changed, 37 insertions, 7 deletions
diff --git a/src/mesa/vbo/vbo.h b/src/mesa/vbo/vbo.h index 80f7a3322bf..c81d83f9b61 100644 --- a/src/mesa/vbo/vbo.h +++ b/src/mesa/vbo/vbo.h @@ -65,4 +65,40 @@ void _vbo_DestroyContext( GLcontext *ctx ); void _vbo_InvalidateState( GLcontext *ctx, GLuint new_state ); +typedef void (*vbo_draw_func)( GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index ); + + + + +/* Utility function to cope with various constraints on tnl modules or + * hardware. This can be used to split an incoming set of arrays and + * primitives against the following constraints: + * - Maximum number of indices in index buffer. + * - Maximum number of vertices referenced by index buffer. + * - Maximum hardware vertex buffer size. + */ +struct split_limits { + GLuint max_verts; + GLuint max_indices; + GLuint max_vb_size; /* bytes */ +}; + + +void vbo_split_prims( GLcontext *ctx, + const struct gl_client_array *arrays[], + const struct _mesa_prim *prim, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index, + vbo_draw_func draw, + const struct split_limits *limits ); + + #endif diff --git a/src/mesa/vbo/vbo_context.h b/src/mesa/vbo/vbo_context.h index 4c5ed96765b..0dc1019b39f 100644 --- a/src/mesa/vbo/vbo_context.h +++ b/src/mesa/vbo/vbo_context.h @@ -79,13 +79,7 @@ struct vbo_context { /* Callback into the driver. This must always succeed, the driver * is responsible for initiating any fallback actions required: */ - void (*draw_prims)( GLcontext *ctx, - const struct gl_client_array *arrays[], - const struct _mesa_prim *prims, - GLuint nr_prims, - const struct _mesa_index_buffer *ib, - GLuint min_index, - GLuint max_index ); + vbo_draw_func draw_prims; }; |