st_atom_clip.c File Reference

Include dependency graph for st_atom_clip.c:

Go to the source code of this file.

Functions
static void	update_clip (struct st_context *st)
Variables
struct st_tracked_state	st_update_clip

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Function Documentation

static void update_clip

(

struct st_context *

st

)

[static]

Definition at line 41 of file st_atom_clip.c.

References st_context::clip, st_context::ctx, pipe_clip_state::nr, st_context::pipe, PIPE_MAX_CLIP_PLANES, pipe_context::set_clip_state, st_context::state, and pipe_clip_state::ucp.

{
   struct pipe_clip_state clip;
   GLuint i;

   memset(&clip, 0, sizeof(clip));

   for (i = 0; i < PIPE_MAX_CLIP_PLANES; i++) {
      if (st->ctx->Transform.ClipPlanesEnabled & (1 << i)) {
         memcpy(clip.ucp[clip.nr], 
                st->ctx->Transform._ClipUserPlane[i], 
                sizeof(clip.ucp[0]));
         clip.nr++;
      }
   }
      
   if (memcmp(&clip, &st->state.clip, sizeof(clip)) != 0) {
      st->state.clip = clip;
      st->pipe->set_clip_state(st->pipe, &clip);
   }
}

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Variable Documentation

struct st_tracked_state st_update_clip

Initial value:

 {
   "st_update_clip",                                    
   {                                                    
      (_NEW_TRANSFORM),                                 
      0,                                                
   },
   update_clip                                          
}

Definition at line 64 of file st_atom_clip.c.

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