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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 "sp_context.h"
#include "sp_state.h"
#include "sp_fs.h"
#include "sp_headers.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_util.h"
#include "pipe/p_inlines.h"
#include "tgsi/exec/tgsi_exec.h"
struct sp_exec_fragment_shader {
struct sp_fragment_shader base;
};
static void
exec_prepare( struct sp_fragment_shader *base,
struct tgsi_exec_machine *machine,
struct tgsi_sampler *samplers )
{
tgsi_exec_machine_bind_shader( machine,
base->shader.tokens,
PIPE_MAX_SAMPLERS,
samplers );
}
/* TODO: hide the machine struct in here somewhere, remove from this
* interface:
*/
static unsigned
exec_run( struct sp_fragment_shader *base,
struct tgsi_exec_machine *machine,
struct quad_header *quad )
{
/* Compute X, Y, Z, W vals for this quad */
sp_setup_pos_vector(quad->posCoef,
(float)quad->x0, (float)quad->y0,
&machine->QuadPos);
return tgsi_exec_machine_run( machine );
}
static void
exec_delete( struct sp_fragment_shader *base )
{
FREE(base);
}
struct sp_fragment_shader *
softpipe_create_fs_exec(struct softpipe_context *softpipe,
const struct pipe_shader_state *templ)
{
struct sp_exec_fragment_shader *shader;
/* Decide whether we'll be codegenerating this shader and if so do
* that now.
*/
shader = CALLOC_STRUCT(sp_exec_fragment_shader);
if (!shader)
return NULL;
shader->base.shader = *templ;
shader->base.prepare = exec_prepare;
shader->base.run = exec_run;
shader->base.delete = exec_delete;
return &shader->base;
}
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