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4358 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | /* Authors: Keith Whitwell |
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29 | */ |
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30 | #include "sp_context.h" |
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31 | #include "sp_state.h" |
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32 | #include "draw/draw_context.h" |
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33 | |||
34 | |||
35 | static void |
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36 | softpipe_set_clip_state(struct pipe_context *pipe, |
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37 | const struct pipe_clip_state *clip) |
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38 | { |
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39 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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40 | |||
41 | /* pass the clip state to the draw module */ |
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42 | draw_set_clip_state(softpipe->draw, clip); |
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43 | } |
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44 | |||
45 | |||
46 | static void |
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47 | softpipe_set_viewport_states(struct pipe_context *pipe, |
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48 | unsigned start_slot, |
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49 | unsigned num_viewports, |
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50 | const struct pipe_viewport_state *viewport) |
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51 | { |
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52 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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53 | |||
54 | /* pass the viewport info to the draw module */ |
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55 | draw_set_viewport_states(softpipe->draw, start_slot, num_viewports, |
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56 | viewport); |
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57 | |||
58 | softpipe->viewport = *viewport; /* struct copy */ |
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59 | softpipe->dirty |= SP_NEW_VIEWPORT; |
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60 | } |
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61 | |||
62 | |||
63 | static void |
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64 | softpipe_set_scissor_states(struct pipe_context *pipe, |
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65 | unsigned start_slot, |
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66 | unsigned num_scissors, |
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67 | const struct pipe_scissor_state *scissor) |
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68 | { |
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69 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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70 | |||
71 | draw_flush(softpipe->draw); |
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72 | |||
73 | softpipe->scissor = *scissor; /* struct copy */ |
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74 | softpipe->dirty |= SP_NEW_SCISSOR; |
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75 | } |
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76 | |||
77 | |||
78 | static void |
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79 | softpipe_set_polygon_stipple(struct pipe_context *pipe, |
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80 | const struct pipe_poly_stipple *stipple) |
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81 | { |
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82 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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83 | |||
84 | draw_flush(softpipe->draw); |
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85 | |||
86 | softpipe->poly_stipple = *stipple; /* struct copy */ |
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87 | softpipe->dirty |= SP_NEW_STIPPLE; |
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88 | } |
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89 | |||
90 | |||
91 | void |
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92 | softpipe_init_clip_funcs(struct pipe_context *pipe) |
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93 | { |
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94 | pipe->set_clip_state = softpipe_set_clip_state; |
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95 | pipe->set_viewport_states = softpipe_set_viewport_states; |
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96 | pipe->set_scissor_states = softpipe_set_scissor_states; |
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97 | pipe->set_polygon_stipple = softpipe_set_polygon_stipple; |
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98 | } |