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/**************************************************************************
*
* Copyright 2003 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 "sp_context.h"
#include "sp_state.h"
#include "sp_prim.h"
static void validate_prim_pipe( struct softpipe_context *softpipe )
{
struct prim_stage *next = softpipe->prim.setup;
/* TODO: make the current primitive part of the state and build
* shorter pipelines for lines & points.
*/
if (softpipe->setup.fill_cw != FILL_TRI ||
softpipe->setup.fill_ccw != FILL_TRI) {
softpipe->prim.unfilled->next = next;
next = softpipe->prim.unfilled;
}
if (softpipe->setup.offset_cw ||
softpipe->setup.offset_ccw) {
softpipe->prim.offset->next = next;
next = softpipe->prim.offset;
}
if (softpipe->setup.light_twoside) {
softpipe->prim.twoside->next = next;
next = softpipe->prim.twoside;
}
/* Always run the cull stage as we calculate determinant there
* also. Fix this..
*/
{
softpipe->prim.cull->next = next;
next = softpipe->prim.cull;
}
/* Clip stage
*/
{
softpipe->prim.clip->next = next;
next = softpipe->prim.clip;
}
/* Do software flatshading prior to clipping. XXX: should only do
* this for clipped primitives, ie it is a part of the clip
* routine.
*/
if (softpipe->setup.flatshade) {
softpipe->prim.flatshade->next = next;
next = softpipe->prim.flatshade;
}
softpipe->prim.first = next;
}
void softpipe_set_setup_state( struct pipe_context *pipe,
const struct pipe_setup_state *setup )
{
struct softpipe_context *softpipe = softpipe_context(pipe);
memcpy( &softpipe->setup, setup, sizeof(*setup) );
validate_prim_pipe( softpipe );
softpipe->dirty |= G_NEW_SETUP;
}
void softpipe_set_scissor_rect( struct pipe_context *pipe,
const struct pipe_scissor_rect *scissor )
{
struct softpipe_context *softpipe = softpipe_context(pipe);
memcpy( &softpipe->scissor, scissor, sizeof(*scissor) );
softpipe->dirty |= G_NEW_SCISSOR;
}
void softpipe_set_polygon_stipple( struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple )
{
struct softpipe_context *softpipe = softpipe_context(pipe);
memcpy( &softpipe->poly_stipple, stipple, sizeof(*stipple) );
softpipe->dirty |= G_NEW_STIPPLE;
}
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