170 lines
4.6 KiB
C
170 lines
4.6 KiB
C
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/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "lp_context.h"
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#include "lp_state.h"
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#include "lp_fs.h"
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#include "pipe/p_defines.h"
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#include "util/u_memory.h"
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#include "pipe/internal/p_winsys_screen.h"
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#include "pipe/p_shader_tokens.h"
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#include "draw/draw_context.h"
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#include "tgsi/tgsi_dump.h"
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#include "tgsi/tgsi_scan.h"
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#include "tgsi/tgsi_parse.h"
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void *
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llvmpipe_create_fs_state(struct pipe_context *pipe,
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const struct pipe_shader_state *templ)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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struct lp_fragment_shader *state;
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/* debug */
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if (llvmpipe->dump_fs)
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tgsi_dump(templ->tokens, 0);
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/* codegen */
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state = llvmpipe_create_fs_llvm( llvmpipe, templ );
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if (!state) {
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state = llvmpipe_create_fs_sse( llvmpipe, templ );
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if (!state) {
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state = llvmpipe_create_fs_exec( llvmpipe, templ );
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}
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}
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assert(state);
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/* get/save the summary info for this shader */
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tgsi_scan_shader(templ->tokens, &state->info);
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return state;
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}
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void
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llvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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llvmpipe->fs = (struct lp_fragment_shader *) fs;
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llvmpipe->dirty |= SP_NEW_FS;
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}
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void
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llvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
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{
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struct lp_fragment_shader *state = fs;
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assert(fs != llvmpipe_context(pipe)->fs);
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state->delete( state );
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}
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void *
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llvmpipe_create_vs_state(struct pipe_context *pipe,
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const struct pipe_shader_state *templ)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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struct lp_vertex_shader *state;
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state = CALLOC_STRUCT(lp_vertex_shader);
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if (state == NULL )
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goto fail;
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/* copy shader tokens, the ones passed in will go away.
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*/
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state->shader.tokens = tgsi_dup_tokens(templ->tokens);
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if (state->shader.tokens == NULL)
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goto fail;
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state->draw_data = draw_create_vertex_shader(llvmpipe->draw, templ);
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if (state->draw_data == NULL)
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goto fail;
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return state;
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fail:
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if (state) {
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FREE( (void *)state->shader.tokens );
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FREE( state->draw_data );
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FREE( state );
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}
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return NULL;
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}
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void
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llvmpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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llvmpipe->vs = (const struct lp_vertex_shader *)vs;
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draw_bind_vertex_shader(llvmpipe->draw,
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(llvmpipe->vs ? llvmpipe->vs->draw_data : NULL));
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llvmpipe->dirty |= SP_NEW_VS;
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}
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void
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llvmpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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struct lp_vertex_shader *state =
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(struct lp_vertex_shader *)vs;
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draw_delete_vertex_shader(llvmpipe->draw, state->draw_data);
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FREE( state );
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}
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void
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llvmpipe_set_constant_buffer(struct pipe_context *pipe,
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uint shader, uint index,
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const struct pipe_constant_buffer *buf)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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assert(shader < PIPE_SHADER_TYPES);
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assert(index == 0);
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/* note: reference counting */
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pipe_buffer_reference(&llvmpipe->constants[shader].buffer,
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buf ? buf->buffer : NULL);
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llvmpipe->dirty |= SP_NEW_CONSTANTS;
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}
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