Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  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 "lp_context.h"
  31. #include "lp_state.h"
  32. #include "draw/draw_context.h"
  33.  
  34.  
  35. static void
  36. llvmpipe_set_clip_state(struct pipe_context *pipe,
  37.                         const struct pipe_clip_state *clip)
  38. {
  39.    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  40.  
  41.    /* pass the clip state to the draw module */
  42.    draw_set_clip_state(llvmpipe->draw, clip);
  43. }
  44.  
  45.  
  46. static void
  47. llvmpipe_set_viewport_states(struct pipe_context *pipe,
  48.                              unsigned start_slot,
  49.                              unsigned num_viewports,
  50.                              const struct pipe_viewport_state *viewports)
  51. {
  52.    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  53.  
  54.    /* pass the viewport info to the draw module */
  55.    draw_set_viewport_states(llvmpipe->draw, start_slot, num_viewports,
  56.                             viewports);
  57.  
  58.    memcpy(llvmpipe->viewports + start_slot, viewports,
  59.           sizeof(struct pipe_viewport_state) * num_viewports);
  60.    llvmpipe->dirty |= LP_NEW_VIEWPORT;
  61. }
  62.  
  63.  
  64. static void
  65. llvmpipe_set_scissor_states(struct pipe_context *pipe,
  66.                             unsigned start_slot,
  67.                             unsigned num_scissors,
  68.                             const struct pipe_scissor_state *scissors)
  69. {
  70.    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  71.  
  72.    draw_flush(llvmpipe->draw);
  73.  
  74.    debug_assert(start_slot < PIPE_MAX_VIEWPORTS);
  75.    debug_assert((start_slot + num_scissors) <= PIPE_MAX_VIEWPORTS);
  76.  
  77.    memcpy(llvmpipe->scissors + start_slot, scissors,
  78.           sizeof(struct pipe_scissor_state) * num_scissors);
  79.    
  80.    llvmpipe->dirty |= LP_NEW_SCISSOR;
  81. }
  82.  
  83.  
  84. static void
  85. llvmpipe_set_polygon_stipple(struct pipe_context *pipe,
  86.                              const struct pipe_poly_stipple *stipple)
  87. {
  88.    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  89.  
  90.    draw_flush(llvmpipe->draw);
  91.  
  92.    llvmpipe->poly_stipple = *stipple; /* struct copy */
  93.    llvmpipe->dirty |= LP_NEW_STIPPLE;
  94. }
  95.  
  96.  
  97.  
  98. void
  99. llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe)
  100. {
  101.    llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state;
  102.    llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple;
  103.    llvmpipe->pipe.set_scissor_states = llvmpipe_set_scissor_states;
  104.    llvmpipe->pipe.set_viewport_states = llvmpipe_set_viewport_states;
  105. }
  106.