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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#include "lp_context.h"
#include "lp_state.h"
#include "draw/draw_context.h"
static void
llvmpipe_set_clip_state(struct pipe_context *pipe,
const struct pipe_clip_state *clip)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
/* pass the clip state to the draw module */
draw_set_clip_state(llvmpipe->draw, clip);
}
static void
llvmpipe_set_viewport_states(struct pipe_context *pipe,
unsigned start_slot,
unsigned num_viewports,
const struct pipe_viewport_state *viewports)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
/* pass the viewport info to the draw module */
draw_set_viewport_states(llvmpipe->draw, start_slot, num_viewports,
viewports);
memcpy(llvmpipe->viewports + start_slot, viewports,
sizeof(struct pipe_viewport_state) * num_viewports);
llvmpipe->dirty |= LP_NEW_VIEWPORT;
}
static void
llvmpipe_set_scissor_states(struct pipe_context *pipe,
unsigned start_slot,
unsigned num_scissors,
const struct pipe_scissor_state *scissors)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
draw_flush(llvmpipe->draw);
debug_assert(start_slot < PIPE_MAX_VIEWPORTS);
debug_assert((start_slot + num_scissors) <= PIPE_MAX_VIEWPORTS);
memcpy(llvmpipe->scissors + start_slot, scissors,
sizeof(struct pipe_scissor_state) * num_scissors);
llvmpipe->dirty |= LP_NEW_SCISSOR;
}
static void
llvmpipe_set_polygon_stipple(struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
draw_flush(llvmpipe->draw);
llvmpipe->poly_stipple = *stipple; /* struct copy */
llvmpipe->dirty |= LP_NEW_STIPPLE;
}
void
llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe)
{
llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state;
llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple;
llvmpipe->pipe.set_scissor_states = llvmpipe_set_scissor_states;
llvmpipe->pipe.set_viewport_states = llvmpipe_set_viewport_states;
}
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