1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 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 /* Author:
30 * Keith Whitwell <keithw@vmware.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/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 /* This is only safe if there's just one concurrent context */
50 #ifdef PIPE_SUBSYSTEM_EMBEDDED
51 #define USE_GLOBAL_LLVM_CONTEXT
52 #endif
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 if (llvmpipe->blitter) {
62 util_blitter_destroy(llvmpipe->blitter);
63 }
64
65 /* This will also destroy llvmpipe->setup:
66 */
67 if (llvmpipe->draw)
68 draw_destroy( llvmpipe->draw );
69
70 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
71 pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
72 }
73
74 pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
75
76 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
77 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
78 }
79
80 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
81 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
82 }
83
84 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
85 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL);
86 }
87
88 for (i = 0; i < ARRAY_SIZE(llvmpipe->constants); i++) {
89 for (j = 0; j < ARRAY_SIZE(llvmpipe->constants[i]); j++) {
90 pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL);
91 }
92 }
93
94 for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
95 pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL);
96 }
97
98 lp_delete_setup_variants(llvmpipe);
99
100 #ifndef USE_GLOBAL_LLVM_CONTEXT
101 LLVMContextDispose(llvmpipe->context);
102 #endif
103 llvmpipe->context = NULL;
104
105 align_free( llvmpipe );
106 }
107
108 static void
do_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence,unsigned flags)109 do_flush( struct pipe_context *pipe,
110 struct pipe_fence_handle **fence,
111 unsigned flags)
112 {
113 llvmpipe_flush(pipe, fence, __FUNCTION__);
114 }
115
116
117 static void
llvmpipe_render_condition(struct pipe_context * pipe,struct pipe_query * query,boolean condition,uint mode)118 llvmpipe_render_condition ( struct pipe_context *pipe,
119 struct pipe_query *query,
120 boolean condition,
121 uint mode )
122 {
123 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
124
125 llvmpipe->render_cond_query = query;
126 llvmpipe->render_cond_mode = mode;
127 llvmpipe->render_cond_cond = condition;
128 }
129
130 struct pipe_context *
llvmpipe_create_context(struct pipe_screen * screen,void * priv,unsigned flags)131 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
132 unsigned flags)
133 {
134 struct llvmpipe_context *llvmpipe;
135
136 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
137 if (!llvmpipe)
138 return NULL;
139
140 util_init_math();
141
142 memset(llvmpipe, 0, sizeof *llvmpipe);
143
144 make_empty_list(&llvmpipe->fs_variants_list);
145
146 make_empty_list(&llvmpipe->setup_variants_list);
147
148
149 llvmpipe->pipe.screen = screen;
150 llvmpipe->pipe.priv = priv;
151
152 /* Init the pipe context methods */
153 llvmpipe->pipe.destroy = llvmpipe_destroy;
154 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
155 llvmpipe->pipe.clear = llvmpipe_clear;
156 llvmpipe->pipe.flush = do_flush;
157
158 llvmpipe->pipe.render_condition = llvmpipe_render_condition;
159
160 llvmpipe_init_blend_funcs(llvmpipe);
161 llvmpipe_init_clip_funcs(llvmpipe);
162 llvmpipe_init_draw_funcs(llvmpipe);
163 llvmpipe_init_sampler_funcs(llvmpipe);
164 llvmpipe_init_query_funcs( llvmpipe );
165 llvmpipe_init_vertex_funcs(llvmpipe);
166 llvmpipe_init_so_funcs(llvmpipe);
167 llvmpipe_init_fs_funcs(llvmpipe);
168 llvmpipe_init_vs_funcs(llvmpipe);
169 llvmpipe_init_gs_funcs(llvmpipe);
170 llvmpipe_init_rasterizer_funcs(llvmpipe);
171 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
172 llvmpipe_init_surface_functions(llvmpipe);
173
174 #ifdef USE_GLOBAL_LLVM_CONTEXT
175 llvmpipe->context = LLVMGetGlobalContext();
176 #else
177 llvmpipe->context = LLVMContextCreate();
178 #endif
179
180 if (!llvmpipe->context)
181 goto fail;
182
183 /*
184 * Create drawing context and plug our rendering stage into it.
185 */
186 llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe,
187 llvmpipe->context);
188 if (!llvmpipe->draw)
189 goto fail;
190
191 /* FIXME: devise alternative to draw_texture_samplers */
192
193 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
194 llvmpipe->draw );
195 if (!llvmpipe->setup)
196 goto fail;
197
198 llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
199 if (!llvmpipe->blitter) {
200 goto fail;
201 }
202
203 /* must be done before installing Draw stages */
204 util_blitter_cache_all_shaders(llvmpipe->blitter);
205
206 /* plug in AA line/point stages */
207 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
208 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
209 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
210
211 /* convert points and lines into triangles:
212 * (otherwise, draw points and lines natively)
213 */
214 draw_wide_point_sprites(llvmpipe->draw, FALSE);
215 draw_enable_point_sprites(llvmpipe->draw, FALSE);
216 draw_wide_point_threshold(llvmpipe->draw, 10000.0);
217 draw_wide_line_threshold(llvmpipe->draw, 10000.0);
218
219 lp_reset_counters();
220
221 return &llvmpipe->pipe;
222
223 fail:
224 llvmpipe_destroy(&llvmpipe->pipe);
225 return NULL;
226 }
227
228