/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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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 VMWARE 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_texture.h"
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#include "lp_debug.h"
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#include "pipe/p_defines.h"
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#include "util/u_memory.h"
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#include "util/u_inlines.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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static void *
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llvmpipe_create_gs_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_geometry_shader *state;
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state = CALLOC_STRUCT(lp_geometry_shader);
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if (!state)
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goto no_state;
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/* debug */
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if (LP_DEBUG & DEBUG_TGSI) {
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debug_printf("llvmpipe: Create geometry shader %p:\n", (void *)state);
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tgsi_dump(templ->tokens, 0);
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}
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/* copy stream output info */
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state->no_tokens = !templ->tokens;
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memcpy(&state->stream_output, &templ->stream_output, sizeof state->stream_output);
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if (templ->tokens) {
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state->dgs = draw_create_geometry_shader(llvmpipe->draw, templ);
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if (state->dgs == NULL) {
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goto no_dgs;
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}
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}
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return state;
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no_dgs:
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FREE( state );
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no_state:
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return NULL;
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}
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static void
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llvmpipe_bind_gs_state(struct pipe_context *pipe, void *gs)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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llvmpipe->gs = (struct lp_geometry_shader *)gs;
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draw_bind_geometry_shader(llvmpipe->draw,
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(llvmpipe->gs ? llvmpipe->gs->dgs : NULL));
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llvmpipe->dirty |= LP_NEW_GS;
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}
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static void
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llvmpipe_delete_gs_state(struct pipe_context *pipe, void *gs)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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struct lp_geometry_shader *state =
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(struct lp_geometry_shader *)gs;
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if (!state) {
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return;
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}
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draw_delete_geometry_shader(llvmpipe->draw, state->dgs);
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FREE(state);
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}
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void
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llvmpipe_init_gs_funcs(struct llvmpipe_context *llvmpipe)
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{
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llvmpipe->pipe.create_gs_state = llvmpipe_create_gs_state;
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llvmpipe->pipe.bind_gs_state = llvmpipe_bind_gs_state;
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llvmpipe->pipe.delete_gs_state = llvmpipe_delete_gs_state;
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}
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