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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 "pipe/p_defines.h"
#include "util/u_memory.h"
#include "pipe/internal/p_winsys_screen.h"
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "draw/draw_vs.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_scan.h"
#include "tgsi/tgsi_parse.h"
void *
softpipe_create_fs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct sp_fragment_shader *state;
/* debug */
if (softpipe->dump_fs)
tgsi_dump(templ->tokens, 0);
/* codegen */
state = softpipe_create_fs_sse( softpipe, templ );
if (!state) {
state = softpipe_create_fs_exec( softpipe, templ );
}
assert(state);
/* get/save the summary info for this shader */
tgsi_scan_shader(templ->tokens, &state->info);
return state;
}
void
softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
softpipe->fs = (struct sp_fragment_shader *) fs;
softpipe->dirty |= SP_NEW_FS;
}
void
softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
struct sp_fragment_shader *state = fs;
assert(fs != softpipe_context(pipe)->fs);
state->delete( state );
}
void *
softpipe_create_vs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct sp_vertex_shader *state;
state = CALLOC_STRUCT(sp_vertex_shader);
if (state == NULL )
goto fail;
/* copy shader tokens, the ones passed in will go away.
*/
state->shader.tokens = tgsi_dup_tokens(templ->tokens);
if (state->shader.tokens == NULL)
goto fail;
state->draw_data = draw_create_vertex_shader(softpipe->draw, templ);
if (state->draw_data == NULL)
goto fail;
state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER];
return state;
fail:
if (state) {
FREE( (void *)state->shader.tokens );
FREE( state->draw_data );
FREE( state );
}
return NULL;
}
void
softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
softpipe->vs = (const struct sp_vertex_shader *)vs;
draw_bind_vertex_shader(softpipe->draw,
(softpipe->vs ? softpipe->vs->draw_data : NULL));
softpipe->dirty |= SP_NEW_VS;
}
void
softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct sp_vertex_shader *state =
(struct sp_vertex_shader *)vs;
draw_delete_vertex_shader(softpipe->draw, state->draw_data);
FREE( state );
}
void
softpipe_set_constant_buffer(struct pipe_context *pipe,
uint shader, uint index,
const struct pipe_constant_buffer *buf)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
assert(shader < PIPE_SHADER_TYPES);
assert(index == 0);
/* note: reference counting */
pipe_buffer_reference(&softpipe->constants[shader].buffer,
buf ? buf->buffer : NULL);
softpipe->dirty |= SP_NEW_CONSTANTS;
}
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