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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.
*
**************************************************************************/
#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "lp_context.h"
#include "lp_state.h"
#include "lp_setup.h"
#include "draw/draw_context.h"
static void *
llvmpipe_create_rasterizer_state(struct pipe_context *pipe,
const struct pipe_rasterizer_state *rast)
{
/* We do nothing special with rasterizer state.
* The CSO handle is just a pointer to a pipe_rasterizer_state object.
*/
return mem_dup(rast, sizeof(*rast));
}
static void
llvmpipe_bind_rasterizer_state(struct pipe_context *pipe, void *handle)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
const struct pipe_rasterizer_state *rasterizer =
(const struct pipe_rasterizer_state *) handle;
if (llvmpipe->rasterizer == rasterizer)
return;
/* pass-through to draw module */
draw_set_rasterizer_state(llvmpipe->draw, rasterizer, handle);
llvmpipe->rasterizer = rasterizer;
/* Note: we can immediately set the triangle state here and
* not worry about binning because we handle culling during
* triangle setup, not when rasterizing the bins.
*/
if (llvmpipe->rasterizer) {
lp_setup_set_triangle_state( llvmpipe->setup,
llvmpipe->rasterizer->cull_mode,
llvmpipe->rasterizer->front_winding == PIPE_WINDING_CCW,
llvmpipe->rasterizer->scissor,
llvmpipe->rasterizer->gl_rasterization_rules);
lp_setup_set_flatshade_first( llvmpipe->setup,
llvmpipe->rasterizer->flatshade_first);
}
llvmpipe->dirty |= LP_NEW_RASTERIZER;
}
static void
llvmpipe_delete_rasterizer_state(struct pipe_context *pipe,
void *rasterizer)
{
FREE( rasterizer );
}
void
llvmpipe_init_rasterizer_funcs(struct llvmpipe_context *llvmpipe)
{
llvmpipe->pipe.create_rasterizer_state = llvmpipe_create_rasterizer_state;
llvmpipe->pipe.bind_rasterizer_state = llvmpipe_bind_rasterizer_state;
llvmpipe->pipe.delete_rasterizer_state = llvmpipe_delete_rasterizer_state;
}
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