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 "util/u_upload_mgr.h"
41 #include "lp_clear.h"
42 #include "lp_context.h"
43 #include "lp_flush.h"
44 #include "lp_perf.h"
45 #include "lp_state.h"
46 #include "lp_surface.h"
47 #include "lp_query.h"
48 #include "lp_setup.h"
49 #include "lp_screen.h"
50
51 /* This is only safe if there's just one concurrent context */
52 #ifdef EMBEDDED_DEVICE
53 #define USE_GLOBAL_LLVM_CONTEXT
54 #endif
55
llvmpipe_destroy(struct pipe_context * pipe)56 static void llvmpipe_destroy( struct pipe_context *pipe )
57 {
58 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
59 uint i;
60
61 lp_print_counters();
62
63 if (llvmpipe->csctx) {
64 lp_csctx_destroy(llvmpipe->csctx);
65 }
66 if (llvmpipe->blitter) {
67 util_blitter_destroy(llvmpipe->blitter);
68 }
69
70 if (llvmpipe->pipe.stream_uploader)
71 u_upload_destroy(llvmpipe->pipe.stream_uploader);
72
73 /* This will also destroy llvmpipe->setup:
74 */
75 if (llvmpipe->draw)
76 draw_destroy( llvmpipe->draw );
77
78 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
79 pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
80 }
81
82 pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
83
84 for (enum pipe_shader_type s = PIPE_SHADER_VERTEX; s < PIPE_SHADER_TYPES; s++) {
85 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
86 pipe_sampler_view_reference(&llvmpipe->sampler_views[s][i], NULL);
87 }
88 for (i = 0; i < LP_MAX_TGSI_SHADER_IMAGES; i++) {
89 pipe_resource_reference(&llvmpipe->images[s][i].resource, NULL);
90 }
91 for (i = 0; i < LP_MAX_TGSI_SHADER_BUFFERS; i++) {
92 pipe_resource_reference(&llvmpipe->ssbos[s][i].buffer, NULL);
93 }
94 for (i = 0; i < ARRAY_SIZE(llvmpipe->constants[s]); i++) {
95 pipe_resource_reference(&llvmpipe->constants[s][i].buffer, NULL);
96 }
97 }
98
99 for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
100 pipe_vertex_buffer_unreference(&llvmpipe->vertex_buffer[i]);
101 }
102
103 lp_delete_setup_variants(llvmpipe);
104
105 #ifndef USE_GLOBAL_LLVM_CONTEXT
106 LLVMContextDispose(llvmpipe->context);
107 #endif
108 llvmpipe->context = NULL;
109
110 align_free( llvmpipe );
111 }
112
113 static void
do_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence,unsigned flags)114 do_flush( struct pipe_context *pipe,
115 struct pipe_fence_handle **fence,
116 unsigned flags)
117 {
118 llvmpipe_flush(pipe, fence, __FUNCTION__);
119 }
120
121
122 static void
llvmpipe_render_condition(struct pipe_context * pipe,struct pipe_query * query,bool condition,enum pipe_render_cond_flag mode)123 llvmpipe_render_condition(struct pipe_context *pipe,
124 struct pipe_query *query,
125 bool condition,
126 enum pipe_render_cond_flag mode)
127 {
128 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
129
130 llvmpipe->render_cond_query = query;
131 llvmpipe->render_cond_mode = mode;
132 llvmpipe->render_cond_cond = condition;
133 }
134
135 static void
llvmpipe_texture_barrier(struct pipe_context * pipe,unsigned flags)136 llvmpipe_texture_barrier(struct pipe_context *pipe, unsigned flags)
137 {
138 llvmpipe_flush(pipe, NULL, __FUNCTION__);
139 }
140
lp_draw_disk_cache_find_shader(void * cookie,struct lp_cached_code * cache,unsigned char ir_sha1_cache_key[20])141 static void lp_draw_disk_cache_find_shader(void *cookie,
142 struct lp_cached_code *cache,
143 unsigned char ir_sha1_cache_key[20])
144 {
145 struct llvmpipe_screen *screen = cookie;
146 lp_disk_cache_find_shader(screen, cache, ir_sha1_cache_key);
147 }
148
lp_draw_disk_cache_insert_shader(void * cookie,struct lp_cached_code * cache,unsigned char ir_sha1_cache_key[20])149 static void lp_draw_disk_cache_insert_shader(void *cookie,
150 struct lp_cached_code *cache,
151 unsigned char ir_sha1_cache_key[20])
152 {
153 struct llvmpipe_screen *screen = cookie;
154 lp_disk_cache_insert_shader(screen, cache, ir_sha1_cache_key);
155 }
156
157 static enum pipe_reset_status
llvmpipe_get_device_reset_status(struct pipe_context * pipe)158 llvmpipe_get_device_reset_status(struct pipe_context *pipe)
159 {
160 return PIPE_NO_RESET;
161 }
162
163 struct pipe_context *
llvmpipe_create_context(struct pipe_screen * screen,void * priv,unsigned flags)164 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
165 unsigned flags)
166 {
167 struct llvmpipe_context *llvmpipe;
168
169 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
170 if (!llvmpipe)
171 return NULL;
172
173 util_init_math();
174
175 memset(llvmpipe, 0, sizeof *llvmpipe);
176
177 make_empty_list(&llvmpipe->fs_variants_list);
178
179 make_empty_list(&llvmpipe->setup_variants_list);
180
181 make_empty_list(&llvmpipe->cs_variants_list);
182
183 llvmpipe->pipe.screen = screen;
184 llvmpipe->pipe.priv = priv;
185
186 /* Init the pipe context methods */
187 llvmpipe->pipe.destroy = llvmpipe_destroy;
188 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
189 llvmpipe->pipe.clear = llvmpipe_clear;
190 llvmpipe->pipe.flush = do_flush;
191 llvmpipe->pipe.texture_barrier = llvmpipe_texture_barrier;
192
193 llvmpipe->pipe.render_condition = llvmpipe_render_condition;
194
195 llvmpipe->pipe.get_device_reset_status = llvmpipe_get_device_reset_status;
196 llvmpipe_init_blend_funcs(llvmpipe);
197 llvmpipe_init_clip_funcs(llvmpipe);
198 llvmpipe_init_draw_funcs(llvmpipe);
199 llvmpipe_init_compute_funcs(llvmpipe);
200 llvmpipe_init_sampler_funcs(llvmpipe);
201 llvmpipe_init_query_funcs( llvmpipe );
202 llvmpipe_init_vertex_funcs(llvmpipe);
203 llvmpipe_init_so_funcs(llvmpipe);
204 llvmpipe_init_fs_funcs(llvmpipe);
205 llvmpipe_init_vs_funcs(llvmpipe);
206 llvmpipe_init_gs_funcs(llvmpipe);
207 llvmpipe_init_tess_funcs(llvmpipe);
208 llvmpipe_init_rasterizer_funcs(llvmpipe);
209 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
210 llvmpipe_init_surface_functions(llvmpipe);
211
212 #ifdef USE_GLOBAL_LLVM_CONTEXT
213 llvmpipe->context = LLVMGetGlobalContext();
214 #else
215 llvmpipe->context = LLVMContextCreate();
216 #endif
217
218 if (!llvmpipe->context)
219 goto fail;
220
221 /*
222 * Create drawing context and plug our rendering stage into it.
223 */
224 llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe,
225 llvmpipe->context);
226 if (!llvmpipe->draw)
227 goto fail;
228
229 draw_set_disk_cache_callbacks(llvmpipe->draw,
230 llvmpipe_screen(screen),
231 lp_draw_disk_cache_find_shader,
232 lp_draw_disk_cache_insert_shader);
233
234 draw_set_constant_buffer_stride(llvmpipe->draw, lp_get_constant_buffer_stride(screen));
235
236 /* FIXME: devise alternative to draw_texture_samplers */
237
238 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
239 llvmpipe->draw );
240 if (!llvmpipe->setup)
241 goto fail;
242
243 llvmpipe->csctx = lp_csctx_create( &llvmpipe->pipe );
244 if (!llvmpipe->csctx)
245 goto fail;
246 llvmpipe->pipe.stream_uploader = u_upload_create_default(&llvmpipe->pipe);
247 if (!llvmpipe->pipe.stream_uploader)
248 goto fail;
249 llvmpipe->pipe.const_uploader = llvmpipe->pipe.stream_uploader;
250
251 llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
252 if (!llvmpipe->blitter) {
253 goto fail;
254 }
255
256 /* must be done before installing Draw stages */
257 util_blitter_cache_all_shaders(llvmpipe->blitter);
258
259 /* plug in AA line/point stages */
260 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
261 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
262 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
263
264 /* convert points and lines into triangles:
265 * (otherwise, draw points and lines natively)
266 */
267 draw_wide_point_sprites(llvmpipe->draw, FALSE);
268 draw_enable_point_sprites(llvmpipe->draw, FALSE);
269 draw_wide_point_threshold(llvmpipe->draw, 10000.0);
270 draw_wide_line_threshold(llvmpipe->draw, 10000.0);
271
272 lp_reset_counters();
273
274 /* If llvmpipe_set_scissor_states() is never called, we still need to
275 * make sure that derived scissor state is computed.
276 * See https://bugs.freedesktop.org/show_bug.cgi?id=101709
277 */
278 llvmpipe->dirty |= LP_NEW_SCISSOR;
279
280 return &llvmpipe->pipe;
281
282 fail:
283 llvmpipe_destroy(&llvmpipe->pipe);
284 return NULL;
285 }
286
287