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Viewing changes to src/gallium/drivers/softpipe/sp_state_clip.c

  • Committer: mmach
  • Date: 2022-09-22 19:56:13 UTC
  • Revision ID: netbit73@gmail.com-20220922195613-wtik9mmy20tmor0i
2022-09-22 21:17:09

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src/gallium/drivers/softpipe/sp_state_clip.c
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/**************************************************************************
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 * 
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 * Copyright 2007 VMware, Inc.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 * 
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 * 
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 * 
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 **************************************************************************/
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/* Authors:  Keith Whitwell <keithw@vmware.com>
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 */
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#include "sp_context.h"
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#include "sp_state.h"
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#include "draw/draw_context.h"
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static void
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softpipe_set_clip_state(struct pipe_context *pipe,
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                        const struct pipe_clip_state *clip)
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{
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   struct softpipe_context *softpipe = softpipe_context(pipe);
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   /* pass the clip state to the draw module */
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   draw_set_clip_state(softpipe->draw, clip);
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}
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static void
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softpipe_set_viewport_states(struct pipe_context *pipe,
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                             unsigned start_slot,
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                             unsigned num_viewports,
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                             const struct pipe_viewport_state *viewports)
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{
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   struct softpipe_context *softpipe = softpipe_context(pipe);
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   /* pass the viewport info to the draw module */
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   draw_set_viewport_states(softpipe->draw, start_slot, num_viewports,
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                            viewports);
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   memcpy(softpipe->viewports + start_slot, viewports,
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          sizeof(struct pipe_viewport_state) * num_viewports);
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   softpipe->dirty |= SP_NEW_VIEWPORT;
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}
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static void
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softpipe_set_scissor_states(struct pipe_context *pipe,
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                            unsigned start_slot,
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                            unsigned num_scissors,
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                            const struct pipe_scissor_state *scissors)
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{
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   struct softpipe_context *softpipe = softpipe_context(pipe);
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   draw_flush(softpipe->draw);
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   debug_assert(start_slot < PIPE_MAX_VIEWPORTS);
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   debug_assert((start_slot + num_scissors) <= PIPE_MAX_VIEWPORTS);
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   memcpy(softpipe->scissors + start_slot, scissors,
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          sizeof(struct pipe_scissor_state) * num_scissors);
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   softpipe->dirty |= SP_NEW_SCISSOR;
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}
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static void
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softpipe_set_polygon_stipple(struct pipe_context *pipe,
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                             const struct pipe_poly_stipple *stipple)
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{
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   /* Actual stippling handled by draw module. */
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   struct softpipe_context *softpipe = softpipe_context(pipe);
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   draw_flush(softpipe->draw);
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}
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void
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softpipe_init_clip_funcs(struct pipe_context *pipe)
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{
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   pipe->set_clip_state = softpipe_set_clip_state;
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   pipe->set_viewport_states = softpipe_set_viewport_states;
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   pipe->set_scissor_states = softpipe_set_scissor_states;
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   pipe->set_polygon_stipple = softpipe_set_polygon_stipple;
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}