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1 /**************************************************************************
2  *
3  * Copyright 2009 VMware, Inc.
4  * Copyright 2007 VMware, Inc.
5  * All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the
9  * "Software"), to deal in the Software without restriction, including
10  * without limitation the rights to use, copy, modify, merge, publish,
11  * distribute, sub license, and/or sell copies of the Software, and to
12  * permit persons to whom the Software is furnished to do so, subject to
13  * the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the
16  * next paragraph) shall be included in all copies or substantial portions
17  * of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  *
27  **************************************************************************/
28 
29 
30 #include "pipe/p_defines.h"
31 #include "tgsi/tgsi_dump.h"
32 #include "tgsi/tgsi_parse.h"
33 #include "util/u_memory.h"
34 #include "draw/draw_context.h"
35 
36 #include "lp_context.h"
37 #include "lp_debug.h"
38 #include "lp_state.h"
39 
40 
41 static void *
llvmpipe_create_vs_state(struct pipe_context * pipe,const struct pipe_shader_state * templ)42 llvmpipe_create_vs_state(struct pipe_context *pipe,
43                          const struct pipe_shader_state *templ)
44 {
45    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
46    struct draw_vertex_shader *vs;
47 
48    vs = draw_create_vertex_shader(llvmpipe->draw, templ);
49    if (!vs) {
50       return NULL;
51    }
52 
53    if (LP_DEBUG & DEBUG_TGSI) {
54       debug_printf("llvmpipe: Create vertex shader %p:\n", (void *) vs);
55       tgsi_dump(templ->tokens, 0);
56    }
57 
58    return vs;
59 }
60 
61 
62 static void
llvmpipe_bind_vs_state(struct pipe_context * pipe,void * _vs)63 llvmpipe_bind_vs_state(struct pipe_context *pipe, void *_vs)
64 {
65    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
66    struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;
67 
68    if (llvmpipe->vs == vs)
69       return;
70 
71    draw_bind_vertex_shader(llvmpipe->draw, vs);
72 
73    llvmpipe->vs = vs;
74 
75    llvmpipe->dirty |= LP_NEW_VS;
76 }
77 
78 
79 static void
llvmpipe_delete_vs_state(struct pipe_context * pipe,void * _vs)80 llvmpipe_delete_vs_state(struct pipe_context *pipe, void *_vs)
81 {
82    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
83    struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;
84 
85    draw_delete_vertex_shader(llvmpipe->draw, vs);
86 }
87 
88 
89 
90 void
llvmpipe_init_vs_funcs(struct llvmpipe_context * llvmpipe)91 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe)
92 {
93    llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state;
94    llvmpipe->pipe.bind_vs_state   = llvmpipe_bind_vs_state;
95    llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state;
96 }
97