src/mesa/pipe/softpipe/sp_state_clip.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:  Keith Whitwell <keith@tungstengraphics.com>
  29  */
  30 #include "imports.h"
  31
  32 #include "sp_context.h"
  33 #include "sp_state.h"
  34 #include "pipe/draw/draw_context.h"
  35
  36
  37 void softpipe_set_clip_state( struct pipe_context *pipe,
  38                              const struct pipe_clip_state *clip )
  39 {
  40    struct softpipe_context *softpipe = softpipe_context(pipe);
  41
  42    /* pass the clip state to the draw module */
  43    draw_set_clip_state(softpipe->draw, clip);
  44 }
  45
  46
  47
  48 /* Called when driver state tracker notices changes to the viewport
  49  * matrix:
  50  */
  51 void softpipe_set_viewport_state( struct pipe_context *pipe,
  52                                   const struct pipe_viewport_state *viewport )
  53 {
  54    struct softpipe_context *softpipe = softpipe_context(pipe);
  55
  56    softpipe->viewport = *viewport; /* struct copy */
  57    softpipe->dirty |= SP_NEW_VIEWPORT;
  58
  59    /* pass the viewport info to the draw module */
  60    draw_set_viewport_state(softpipe->draw, viewport);
  61
  62    /* Using tnl/ and vf/ modules is temporary while getting started.
  63     * Full pipe will have vertex shader, vertex fetch of its own.
  64     */
  65 }
  66
  67
  68 void softpipe_set_scissor_state( struct pipe_context *pipe,
  69                                  const struct pipe_scissor_state *scissor )
  70 {
  71    struct softpipe_context *softpipe = softpipe_context(pipe);
  72
  73    memcpy( &softpipe->scissor, scissor, sizeof(*scissor) );
  74    softpipe->dirty |= SP_NEW_SCISSOR;
  75 }
  76
  77
  78 void softpipe_set_polygon_stipple( struct pipe_context *pipe,
  79                                    const struct pipe_poly_stipple *stipple )
  80 {
  81    struct softpipe_context *softpipe = softpipe_context(pipe);
  82
  83    memcpy( &softpipe->poly_stipple, stipple, sizeof(*stipple) );
  84    softpipe->dirty |= SP_NEW_STIPPLE;
  85 }