1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 * Copyright 2008 VMware, Inc. 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 TUNGSTEN GRAPHICS 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 /* Author:
30 * Keith Whitwell <keith@tungstengraphics.com>
31 */
32
33 #include "draw/draw_context.h"
34 #include "draw/draw_vbuf.h"
35 #include "pipe/p_defines.h"
36 #include "util/u_inlines.h"
37 #include "util/u_math.h"
38 #include "util/u_memory.h"
39 #include "util/u_simple_list.h"
40 #include "lp_clear.h"
41 #include "lp_context.h"
42 #include "lp_flush.h"
43 #include "lp_perf.h"
44 #include "lp_state.h"
45 #include "lp_surface.h"
46 #include "lp_query.h"
47 #include "lp_setup.h"
48
49
50 /** shared by all contexts */
51 unsigned llvmpipe_variant_count;
52
53
llvmpipe_destroy(struct pipe_context * pipe)54 static void llvmpipe_destroy( struct pipe_context *pipe )
55 {
56 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
57 uint i, j;
58
59 lp_print_counters();
60
61 /* This will also destroy llvmpipe->setup:
62 */
63 if (llvmpipe->draw)
64 draw_destroy( llvmpipe->draw );
65
66 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
67 pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
68 }
69
70 pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
71
72 for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
73 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
74 }
75
76 for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
77 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
78 }
79
80 for (i = 0; i < Elements(llvmpipe->constants); i++) {
81 for (j = 0; j < Elements(llvmpipe->constants[i]); j++) {
82 pipe_resource_reference(&llvmpipe->constants[i][j], NULL);
83 }
84 }
85
86 for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
87 pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL);
88 }
89
90 lp_delete_setup_variants(llvmpipe);
91
92 align_free( llvmpipe );
93 }
94
95 static void
do_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence)96 do_flush( struct pipe_context *pipe,
97 struct pipe_fence_handle **fence)
98 {
99 llvmpipe_flush(pipe, fence, __FUNCTION__);
100 }
101
102
103 static void
llvmpipe_render_condition(struct pipe_context * pipe,struct pipe_query * query,uint mode)104 llvmpipe_render_condition ( struct pipe_context *pipe,
105 struct pipe_query *query,
106 uint mode )
107 {
108 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
109
110 llvmpipe->render_cond_query = query;
111 llvmpipe->render_cond_mode = mode;
112 }
113
114 struct pipe_context *
llvmpipe_create_context(struct pipe_screen * screen,void * priv)115 llvmpipe_create_context( struct pipe_screen *screen, void *priv )
116 {
117 struct llvmpipe_context *llvmpipe;
118
119 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
120 if (!llvmpipe)
121 return NULL;
122
123 util_init_math();
124
125 memset(llvmpipe, 0, sizeof *llvmpipe);
126
127 make_empty_list(&llvmpipe->fs_variants_list);
128
129 make_empty_list(&llvmpipe->setup_variants_list);
130
131
132 llvmpipe->pipe.screen = screen;
133 llvmpipe->pipe.priv = priv;
134
135 /* Init the pipe context methods */
136 llvmpipe->pipe.destroy = llvmpipe_destroy;
137 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
138 llvmpipe->pipe.clear = llvmpipe_clear;
139 llvmpipe->pipe.flush = do_flush;
140
141 llvmpipe->pipe.render_condition = llvmpipe_render_condition;
142
143 llvmpipe_init_blend_funcs(llvmpipe);
144 llvmpipe_init_clip_funcs(llvmpipe);
145 llvmpipe_init_draw_funcs(llvmpipe);
146 llvmpipe_init_sampler_funcs(llvmpipe);
147 llvmpipe_init_query_funcs( llvmpipe );
148 llvmpipe_init_vertex_funcs(llvmpipe);
149 llvmpipe_init_so_funcs(llvmpipe);
150 llvmpipe_init_fs_funcs(llvmpipe);
151 llvmpipe_init_vs_funcs(llvmpipe);
152 llvmpipe_init_gs_funcs(llvmpipe);
153 llvmpipe_init_rasterizer_funcs(llvmpipe);
154 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
155 llvmpipe_init_surface_functions(llvmpipe);
156
157 /*
158 * Create drawing context and plug our rendering stage into it.
159 */
160 llvmpipe->draw = draw_create(&llvmpipe->pipe);
161 if (!llvmpipe->draw)
162 goto fail;
163
164 /* FIXME: devise alternative to draw_texture_samplers */
165
166 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
167 llvmpipe->draw );
168 if (!llvmpipe->setup)
169 goto fail;
170
171 /* plug in AA line/point stages */
172 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
173 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
174 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
175
176 /* convert points and lines into triangles:
177 * (otherwise, draw points and lines natively)
178 */
179 draw_wide_point_sprites(llvmpipe->draw, FALSE);
180 draw_enable_point_sprites(llvmpipe->draw, FALSE);
181 draw_wide_point_threshold(llvmpipe->draw, 10000.0);
182 draw_wide_line_threshold(llvmpipe->draw, 10000.0);
183
184 lp_reset_counters();
185
186 return &llvmpipe->pipe;
187
188 fail:
189 llvmpipe_destroy(&llvmpipe->pipe);
190 return NULL;
191 }
192
193