1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #include "util/u_inlines.h"
27 #include "util/u_math.h"
28 #include "util/u_memory.h"
29 #include "util/u_bitmask.h"
30 #include "tgsi/tgsi_parse.h"
31 #include "draw/draw_context.h"
32
33 #include "svga_context.h"
34 #include "svga_tgsi.h"
35 #include "svga_hw_reg.h"
36 #include "svga_cmd.h"
37 #include "svga_debug.h"
38
39
40 /***********************************************************************
41 * Fragment shaders
42 */
43
44 static void *
svga_create_fs_state(struct pipe_context * pipe,const struct pipe_shader_state * templ)45 svga_create_fs_state(struct pipe_context *pipe,
46 const struct pipe_shader_state *templ)
47 {
48 struct svga_context *svga = svga_context(pipe);
49 struct svga_fragment_shader *fs;
50
51 fs = CALLOC_STRUCT(svga_fragment_shader);
52 if (!fs)
53 return NULL;
54
55 fs->base.tokens = tgsi_dup_tokens(templ->tokens);
56
57 /* Collect basic info that we'll need later:
58 */
59 tgsi_scan_shader(fs->base.tokens, &fs->base.info);
60
61 fs->base.id = svga->debug.shader_id++;
62
63 fs->generic_inputs = svga_get_generic_inputs_mask(&fs->base.info);
64
65 svga_remap_generics(fs->generic_inputs, fs->generic_remap_table);
66
67 fs->draw_shader = draw_create_fragment_shader(svga->swtnl.draw, templ);
68
69 if (SVGA_DEBUG & DEBUG_TGSI || 0) {
70 debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
71 __FUNCTION__, fs->base.id,
72 fs->base.info.num_inputs, fs->base.info.num_outputs);
73 }
74
75 return fs;
76 }
77
78 static void
svga_bind_fs_state(struct pipe_context * pipe,void * shader)79 svga_bind_fs_state(struct pipe_context *pipe, void *shader)
80 {
81 struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
82 struct svga_context *svga = svga_context(pipe);
83
84 svga->curr.fs = fs;
85 svga->dirty |= SVGA_NEW_FS;
86 }
87
88 static
svga_delete_fs_state(struct pipe_context * pipe,void * shader)89 void svga_delete_fs_state(struct pipe_context *pipe, void *shader)
90 {
91 struct svga_context *svga = svga_context(pipe);
92 struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
93 struct svga_shader_result *result, *tmp;
94 enum pipe_error ret;
95
96 svga_hwtnl_flush_retry( svga );
97
98 draw_delete_fragment_shader(svga->swtnl.draw, fs->draw_shader);
99
100 for (result = fs->base.results; result; result = tmp ) {
101 tmp = result->next;
102
103 ret = SVGA3D_DestroyShader(svga->swc,
104 result->id,
105 SVGA3D_SHADERTYPE_PS );
106 if(ret != PIPE_OK) {
107 svga_context_flush(svga, NULL);
108 ret = SVGA3D_DestroyShader(svga->swc,
109 result->id,
110 SVGA3D_SHADERTYPE_PS );
111 assert(ret == PIPE_OK);
112 }
113
114 util_bitmask_clear( svga->fs_bm, result->id );
115
116 svga_destroy_shader_result( result );
117
118 /*
119 * Remove stale references to this result to ensure a new result on the
120 * same address will be detected as a change.
121 */
122 if(result == svga->state.hw_draw.fs)
123 svga->state.hw_draw.fs = NULL;
124 }
125
126 FREE((void *)fs->base.tokens);
127 FREE(fs);
128 }
129
130
svga_init_fs_functions(struct svga_context * svga)131 void svga_init_fs_functions( struct svga_context *svga )
132 {
133 svga->pipe.create_fs_state = svga_create_fs_state;
134 svga->pipe.bind_fs_state = svga_bind_fs_state;
135 svga->pipe.delete_fs_state = svga_delete_fs_state;
136 }
137
138