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_math.h"
37 #include "util/u_memory.h"
38 #include "util/u_pstipple.h"
39 #include "util/u_inlines.h"
40 #include "tgsi/tgsi_exec.h"
41 #include "sp_buffer.h"
42 #include "sp_clear.h"
43 #include "sp_context.h"
44 #include "sp_flush.h"
45 #include "sp_prim_vbuf.h"
46 #include "sp_state.h"
47 #include "sp_surface.h"
48 #include "sp_tile_cache.h"
49 #include "sp_tex_tile_cache.h"
50 #include "sp_texture.h"
51 #include "sp_query.h"
52 #include "sp_screen.h"
53 #include "sp_tex_sample.h"
54 #include "sp_image.h"
55
56 static void
softpipe_destroy(struct pipe_context * pipe)57 softpipe_destroy( struct pipe_context *pipe )
58 {
59 struct softpipe_context *softpipe = softpipe_context( pipe );
60 uint i, sh;
61
62 #if DO_PSTIPPLE_IN_HELPER_MODULE
63 if (softpipe->pstipple.sampler)
64 pipe->delete_sampler_state(pipe, softpipe->pstipple.sampler);
65
66 pipe_resource_reference(&softpipe->pstipple.texture, NULL);
67 pipe_sampler_view_reference(&softpipe->pstipple.sampler_view, NULL);
68 #endif
69
70 if (softpipe->blitter) {
71 util_blitter_destroy(softpipe->blitter);
72 }
73
74 if (softpipe->draw)
75 draw_destroy( softpipe->draw );
76
77 if (softpipe->quad.shade)
78 softpipe->quad.shade->destroy( softpipe->quad.shade );
79
80 if (softpipe->quad.depth_test)
81 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
82
83 if (softpipe->quad.blend)
84 softpipe->quad.blend->destroy( softpipe->quad.blend );
85
86 if (softpipe->quad.pstipple)
87 softpipe->quad.pstipple->destroy( softpipe->quad.pstipple );
88
89 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
90 sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
91 pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
92 }
93
94 sp_destroy_tile_cache(softpipe->zsbuf_cache);
95 pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
96
97 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
98 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
99 sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]);
100 pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL);
101 }
102 }
103
104 for (sh = 0; sh < ARRAY_SIZE(softpipe->constants); sh++) {
105 for (i = 0; i < ARRAY_SIZE(softpipe->constants[0]); i++) {
106 if (softpipe->constants[sh][i]) {
107 pipe_resource_reference(&softpipe->constants[sh][i], NULL);
108 }
109 }
110 }
111
112 for (i = 0; i < softpipe->num_vertex_buffers; i++) {
113 pipe_resource_reference(&softpipe->vertex_buffer[i].buffer, NULL);
114 }
115
116 tgsi_exec_machine_destroy(softpipe->fs_machine);
117
118 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
119 FREE(softpipe->tgsi.sampler[i]);
120 FREE(softpipe->tgsi.image[i]);
121 FREE(softpipe->tgsi.buffer[i]);
122 }
123
124 FREE( softpipe );
125 }
126
127
128 /**
129 * if (the texture is being used as a framebuffer surface)
130 * return SP_REFERENCED_FOR_WRITE
131 * else if (the texture is a bound texture source)
132 * return SP_REFERENCED_FOR_READ
133 * else
134 * return SP_UNREFERENCED
135 */
136 unsigned int
softpipe_is_resource_referenced(struct pipe_context * pipe,struct pipe_resource * texture,unsigned level,int layer)137 softpipe_is_resource_referenced( struct pipe_context *pipe,
138 struct pipe_resource *texture,
139 unsigned level, int layer)
140 {
141 struct softpipe_context *softpipe = softpipe_context( pipe );
142 unsigned i, sh;
143
144 if (texture->target == PIPE_BUFFER)
145 return SP_UNREFERENCED;
146
147 /* check if any of the bound drawing surfaces are this texture */
148 if (softpipe->dirty_render_cache) {
149 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
150 if (softpipe->framebuffer.cbufs[i] &&
151 softpipe->framebuffer.cbufs[i]->texture == texture) {
152 return SP_REFERENCED_FOR_WRITE;
153 }
154 }
155 if (softpipe->framebuffer.zsbuf &&
156 softpipe->framebuffer.zsbuf->texture == texture) {
157 return SP_REFERENCED_FOR_WRITE;
158 }
159 }
160
161 /* check if any of the tex_cache textures are this texture */
162 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
163 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
164 if (softpipe->tex_cache[sh][i] &&
165 softpipe->tex_cache[sh][i]->texture == texture)
166 return SP_REFERENCED_FOR_READ;
167 }
168 }
169
170 return SP_UNREFERENCED;
171 }
172
173
174
175
176 static void
softpipe_render_condition(struct pipe_context * pipe,struct pipe_query * query,boolean condition,uint mode)177 softpipe_render_condition( struct pipe_context *pipe,
178 struct pipe_query *query,
179 boolean condition,
180 uint mode )
181 {
182 struct softpipe_context *softpipe = softpipe_context( pipe );
183
184 softpipe->render_cond_query = query;
185 softpipe->render_cond_mode = mode;
186 softpipe->render_cond_cond = condition;
187 }
188
189
190
191 struct pipe_context *
softpipe_create_context(struct pipe_screen * screen,void * priv,unsigned flags)192 softpipe_create_context(struct pipe_screen *screen,
193 void *priv, unsigned flags)
194 {
195 struct softpipe_screen *sp_screen = softpipe_screen(screen);
196 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
197 uint i, sh;
198
199 util_init_math();
200
201 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
202 softpipe->tgsi.sampler[i] = sp_create_tgsi_sampler();
203 }
204
205 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
206 softpipe->tgsi.image[i] = sp_create_tgsi_image();
207 }
208
209 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
210 softpipe->tgsi.buffer[i] = sp_create_tgsi_buffer();
211 }
212
213 softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE );
214 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
215 softpipe->dump_cs = debug_get_bool_option( "SOFTPIPE_DUMP_CS", FALSE );
216
217 softpipe->pipe.screen = screen;
218 softpipe->pipe.destroy = softpipe_destroy;
219 softpipe->pipe.priv = priv;
220
221 /* state setters */
222 softpipe_init_blend_funcs(&softpipe->pipe);
223 softpipe_init_clip_funcs(&softpipe->pipe);
224 softpipe_init_query_funcs( softpipe );
225 softpipe_init_rasterizer_funcs(&softpipe->pipe);
226 softpipe_init_sampler_funcs(&softpipe->pipe);
227 softpipe_init_shader_funcs(&softpipe->pipe);
228 softpipe_init_streamout_funcs(&softpipe->pipe);
229 softpipe_init_texture_funcs( &softpipe->pipe );
230 softpipe_init_vertex_funcs(&softpipe->pipe);
231 softpipe_init_image_funcs(&softpipe->pipe);
232
233 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
234
235 softpipe->pipe.draw_vbo = softpipe_draw_vbo;
236
237 softpipe->pipe.launch_grid = softpipe_launch_grid;
238
239 softpipe->pipe.clear = softpipe_clear;
240 softpipe->pipe.flush = softpipe_flush_wrapped;
241 softpipe->pipe.texture_barrier = softpipe_texture_barrier;
242 softpipe->pipe.memory_barrier = softpipe_memory_barrier;
243 softpipe->pipe.render_condition = softpipe_render_condition;
244
245 /*
246 * Alloc caches for accessing drawing surfaces and textures.
247 * Must be before quad stage setup!
248 */
249 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
250 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
251 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
252
253 /* Allocate texture caches */
254 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) {
255 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) {
256 softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe);
257 if (!softpipe->tex_cache[sh][i])
258 goto fail;
259 }
260 }
261
262 softpipe->fs_machine = tgsi_exec_machine_create(PIPE_SHADER_FRAGMENT);
263
264 /* setup quad rendering stages */
265 softpipe->quad.shade = sp_quad_shade_stage(softpipe);
266 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
267 softpipe->quad.blend = sp_quad_blend_stage(softpipe);
268 softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
269
270
271 /*
272 * Create drawing context and plug our rendering stage into it.
273 */
274 if (sp_screen->use_llvm)
275 softpipe->draw = draw_create(&softpipe->pipe);
276 else
277 softpipe->draw = draw_create_no_llvm(&softpipe->pipe);
278 if (!softpipe->draw)
279 goto fail;
280
281 draw_texture_sampler(softpipe->draw,
282 PIPE_SHADER_VERTEX,
283 (struct tgsi_sampler *)
284 softpipe->tgsi.sampler[PIPE_SHADER_VERTEX]);
285
286 draw_texture_sampler(softpipe->draw,
287 PIPE_SHADER_GEOMETRY,
288 (struct tgsi_sampler *)
289 softpipe->tgsi.sampler[PIPE_SHADER_GEOMETRY]);
290
291 draw_image(softpipe->draw,
292 PIPE_SHADER_VERTEX,
293 (struct tgsi_image *)
294 softpipe->tgsi.image[PIPE_SHADER_VERTEX]);
295
296 draw_image(softpipe->draw,
297 PIPE_SHADER_GEOMETRY,
298 (struct tgsi_image *)
299 softpipe->tgsi.image[PIPE_SHADER_GEOMETRY]);
300
301 draw_buffer(softpipe->draw,
302 PIPE_SHADER_VERTEX,
303 (struct tgsi_buffer *)
304 softpipe->tgsi.buffer[PIPE_SHADER_VERTEX]);
305
306 draw_buffer(softpipe->draw,
307 PIPE_SHADER_GEOMETRY,
308 (struct tgsi_buffer *)
309 softpipe->tgsi.buffer[PIPE_SHADER_GEOMETRY]);
310
311 if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE ))
312 softpipe->no_rast = TRUE;
313
314 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
315 if (!softpipe->vbuf_backend)
316 goto fail;
317
318 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
319 if (!softpipe->vbuf)
320 goto fail;
321
322 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
323 draw_set_render(softpipe->draw, softpipe->vbuf_backend);
324
325 softpipe->blitter = util_blitter_create(&softpipe->pipe);
326 if (!softpipe->blitter) {
327 goto fail;
328 }
329
330 /* must be done before installing Draw stages */
331 util_blitter_cache_all_shaders(softpipe->blitter);
332
333 /* plug in AA line/point stages */
334 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
335 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
336
337 /* Do polygon stipple w/ texture map + frag prog? */
338 #if DO_PSTIPPLE_IN_DRAW_MODULE
339 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
340 #endif
341
342 draw_wide_point_sprites(softpipe->draw, TRUE);
343
344 sp_init_surface_functions(softpipe);
345
346 #if DO_PSTIPPLE_IN_HELPER_MODULE
347 /* create the polgon stipple sampler */
348 softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe);
349 #endif
350
351 return &softpipe->pipe;
352
353 fail:
354 softpipe_destroy(&softpipe->pipe);
355 return NULL;
356 }
357