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 <[email protected]>
31 */
32
33 #include "draw/draw_context.h"
34 #include "draw/draw_vbuf.h"
35 #include "pipe/p_defines.h"
36 #include "util/u_math.h"
37 #include "util/u_memory.h"
38 #include "util/u_inlines.h"
39 #include "util/u_upload_mgr.h"
40 #include "util/u_debug_cb.h"
41 #include "tgsi/tgsi_exec.h"
42 #include "sp_buffer.h"
43 #include "sp_clear.h"
44 #include "sp_context.h"
45 #include "sp_flush.h"
46 #include "sp_prim_vbuf.h"
47 #include "sp_state.h"
48 #include "sp_surface.h"
49 #include "sp_tile_cache.h"
50 #include "sp_tex_tile_cache.h"
51 #include "sp_texture.h"
52 #include "sp_query.h"
53 #include "sp_screen.h"
54 #include "sp_tex_sample.h"
55 #include "sp_image.h"
56
57 #include "nir.h"
58
59 static void
softpipe_destroy(struct pipe_context * pipe)60 softpipe_destroy( struct pipe_context *pipe )
61 {
62 struct softpipe_context *softpipe = softpipe_context( pipe );
63 uint i, sh;
64
65 if (softpipe->blitter) {
66 util_blitter_destroy(softpipe->blitter);
67 }
68
69 if (softpipe->draw)
70 draw_destroy( softpipe->draw );
71
72 if (softpipe->quad.shade)
73 softpipe->quad.shade->destroy( softpipe->quad.shade );
74
75 if (softpipe->quad.depth_test)
76 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
77
78 if (softpipe->quad.blend)
79 softpipe->quad.blend->destroy( softpipe->quad.blend );
80
81 if (softpipe->pipe.stream_uploader)
82 u_upload_destroy(softpipe->pipe.stream_uploader);
83
84 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
85 sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
86 }
87
88 sp_destroy_tile_cache(softpipe->zsbuf_cache);
89 util_unreference_framebuffer_state(&softpipe->framebuffer);
90
91 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
92 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
93 sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]);
94 pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL);
95 }
96 }
97
98 for (sh = 0; sh < ARRAY_SIZE(softpipe->constants); sh++) {
99 for (i = 0; i < ARRAY_SIZE(softpipe->constants[0]); i++) {
100 if (softpipe->constants[sh][i]) {
101 pipe_resource_reference(&softpipe->constants[sh][i], NULL);
102 }
103 }
104 }
105
106 for (i = 0; i < softpipe->num_vertex_buffers; i++) {
107 pipe_vertex_buffer_unreference(&softpipe->vertex_buffer[i]);
108 }
109
110 tgsi_exec_machine_destroy(softpipe->fs_machine);
111
112 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
113 FREE(softpipe->tgsi.sampler[i]);
114 FREE(softpipe->tgsi.image[i]);
115 FREE(softpipe->tgsi.buffer[i]);
116 }
117
118 FREE( softpipe );
119 }
120
121
122 /**
123 * if (the texture is being used as a framebuffer surface)
124 * return SP_REFERENCED_FOR_WRITE
125 * else if (the texture is a bound texture source)
126 * return SP_REFERENCED_FOR_READ
127 * else
128 * return SP_UNREFERENCED
129 */
130 unsigned int
softpipe_is_resource_referenced(struct pipe_context * pipe,struct pipe_resource * texture,unsigned level,int layer)131 softpipe_is_resource_referenced( struct pipe_context *pipe,
132 struct pipe_resource *texture,
133 unsigned level, int layer)
134 {
135 struct softpipe_context *softpipe = softpipe_context( pipe );
136 unsigned i, sh;
137
138 if (texture->target == PIPE_BUFFER)
139 return SP_UNREFERENCED;
140
141 /* check if any of the bound drawing surfaces are this texture */
142 if (softpipe->dirty_render_cache) {
143 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
144 if (softpipe->framebuffer.cbufs[i] &&
145 softpipe->framebuffer.cbufs[i]->texture == texture) {
146 return SP_REFERENCED_FOR_WRITE;
147 }
148 }
149 if (softpipe->framebuffer.zsbuf &&
150 softpipe->framebuffer.zsbuf->texture == texture) {
151 return SP_REFERENCED_FOR_WRITE;
152 }
153 }
154
155 /* check if any of the tex_cache textures are this texture */
156 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
157 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
158 if (softpipe->tex_cache[sh][i] &&
159 softpipe->tex_cache[sh][i]->texture == texture)
160 return SP_REFERENCED_FOR_READ;
161 }
162 }
163
164 return SP_UNREFERENCED;
165 }
166
167
168
169
170 static void
softpipe_render_condition(struct pipe_context * pipe,struct pipe_query * query,bool condition,enum pipe_render_cond_flag mode)171 softpipe_render_condition(struct pipe_context *pipe,
172 struct pipe_query *query,
173 bool condition,
174 enum pipe_render_cond_flag mode)
175 {
176 struct softpipe_context *softpipe = softpipe_context( pipe );
177
178 softpipe->render_cond_query = query;
179 softpipe->render_cond_mode = mode;
180 softpipe->render_cond_cond = condition;
181 }
182
183
184 struct pipe_context *
softpipe_create_context(struct pipe_screen * screen,void * priv,unsigned flags)185 softpipe_create_context(struct pipe_screen *screen,
186 void *priv, unsigned flags)
187 {
188 struct softpipe_screen *sp_screen = softpipe_screen(screen);
189 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
190 uint i, sh;
191
192 util_init_math();
193
194 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
195 softpipe->tgsi.sampler[i] = sp_create_tgsi_sampler();
196 }
197
198 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
199 softpipe->tgsi.image[i] = sp_create_tgsi_image();
200 }
201
202 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
203 softpipe->tgsi.buffer[i] = sp_create_tgsi_buffer();
204 }
205
206 softpipe->pipe.screen = screen;
207 softpipe->pipe.destroy = softpipe_destroy;
208 softpipe->pipe.priv = priv;
209
210 /* state setters */
211 softpipe_init_blend_funcs(&softpipe->pipe);
212 softpipe_init_clip_funcs(&softpipe->pipe);
213 softpipe_init_query_funcs( softpipe );
214 softpipe_init_rasterizer_funcs(&softpipe->pipe);
215 softpipe_init_sampler_funcs(&softpipe->pipe);
216 softpipe_init_shader_funcs(&softpipe->pipe);
217 softpipe_init_streamout_funcs(&softpipe->pipe);
218 softpipe_init_texture_funcs( &softpipe->pipe );
219 softpipe_init_vertex_funcs(&softpipe->pipe);
220 softpipe_init_image_funcs(&softpipe->pipe);
221
222 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
223 softpipe->pipe.set_debug_callback = u_default_set_debug_callback;
224
225 softpipe->pipe.draw_vbo = softpipe_draw_vbo;
226
227 softpipe->pipe.launch_grid = softpipe_launch_grid;
228
229 softpipe->pipe.clear = softpipe_clear;
230 softpipe->pipe.flush = softpipe_flush_wrapped;
231 softpipe->pipe.texture_barrier = softpipe_texture_barrier;
232 softpipe->pipe.memory_barrier = softpipe_memory_barrier;
233 softpipe->pipe.render_condition = softpipe_render_condition;
234
235 /*
236 * Alloc caches for accessing drawing surfaces and textures.
237 * Must be before quad stage setup!
238 */
239 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
240 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
241 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
242
243 /* Allocate texture caches */
244 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
245 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
246 softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe);
247 if (!softpipe->tex_cache[sh][i])
248 goto fail;
249 }
250 }
251
252 softpipe->fs_machine = tgsi_exec_machine_create(PIPE_SHADER_FRAGMENT);
253
254 /* setup quad rendering stages */
255 softpipe->quad.shade = sp_quad_shade_stage(softpipe);
256 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
257 softpipe->quad.blend = sp_quad_blend_stage(softpipe);
258
259 softpipe->pipe.stream_uploader = u_upload_create_default(&softpipe->pipe);
260 if (!softpipe->pipe.stream_uploader)
261 goto fail;
262 softpipe->pipe.const_uploader = softpipe->pipe.stream_uploader;
263
264 /*
265 * Create drawing context and plug our rendering stage into it.
266 */
267 if (sp_screen->use_llvm)
268 softpipe->draw = draw_create(&softpipe->pipe);
269 else
270 softpipe->draw = draw_create_no_llvm(&softpipe->pipe);
271 if (!softpipe->draw)
272 goto fail;
273
274 draw_texture_sampler(softpipe->draw,
275 PIPE_SHADER_VERTEX,
276 (struct tgsi_sampler *)
277 softpipe->tgsi.sampler[PIPE_SHADER_VERTEX]);
278
279 draw_texture_sampler(softpipe->draw,
280 PIPE_SHADER_GEOMETRY,
281 (struct tgsi_sampler *)
282 softpipe->tgsi.sampler[PIPE_SHADER_GEOMETRY]);
283
284 draw_image(softpipe->draw,
285 PIPE_SHADER_VERTEX,
286 (struct tgsi_image *)
287 softpipe->tgsi.image[PIPE_SHADER_VERTEX]);
288
289 draw_image(softpipe->draw,
290 PIPE_SHADER_GEOMETRY,
291 (struct tgsi_image *)
292 softpipe->tgsi.image[PIPE_SHADER_GEOMETRY]);
293
294 draw_buffer(softpipe->draw,
295 PIPE_SHADER_VERTEX,
296 (struct tgsi_buffer *)
297 softpipe->tgsi.buffer[PIPE_SHADER_VERTEX]);
298
299 draw_buffer(softpipe->draw,
300 PIPE_SHADER_GEOMETRY,
301 (struct tgsi_buffer *)
302 softpipe->tgsi.buffer[PIPE_SHADER_GEOMETRY]);
303
304 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
305 if (!softpipe->vbuf_backend)
306 goto fail;
307
308 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
309 if (!softpipe->vbuf)
310 goto fail;
311
312 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
313 draw_set_render(softpipe->draw, softpipe->vbuf_backend);
314
315 softpipe->blitter = util_blitter_create(&softpipe->pipe);
316 if (!softpipe->blitter) {
317 goto fail;
318 }
319
320 /* must be done before installing Draw stages */
321 util_blitter_cache_all_shaders(softpipe->blitter);
322
323 /* plug in AA line/point stages */
324 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
325 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe, nir_type_bool32);
326
327 /* Do polygon stipple w/ texture map + frag prog. */
328 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
329
330 draw_wide_point_sprites(softpipe->draw, true);
331
332 sp_init_surface_functions(softpipe);
333
334 return &softpipe->pipe;
335
336 fail:
337 softpipe_destroy(&softpipe->pipe);
338 return NULL;
339 }
340