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 (at) 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 "util/u_upload_mgr.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 static void 58 softpipe_destroy( struct pipe_context *pipe ) 59 { 60 struct softpipe_context *softpipe = softpipe_context( pipe ); 61 uint i, sh; 62 63 #if DO_PSTIPPLE_IN_HELPER_MODULE 64 if (softpipe->pstipple.sampler) 65 pipe->delete_sampler_state(pipe, softpipe->pstipple.sampler); 66 67 pipe_resource_reference(&softpipe->pstipple.texture, NULL); 68 pipe_sampler_view_reference(&softpipe->pstipple.sampler_view, NULL); 69 #endif 70 71 if (softpipe->blitter) { 72 util_blitter_destroy(softpipe->blitter); 73 } 74 75 if (softpipe->draw) 76 draw_destroy( softpipe->draw ); 77 78 if (softpipe->quad.shade) 79 softpipe->quad.shade->destroy( softpipe->quad.shade ); 80 81 if (softpipe->quad.depth_test) 82 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test ); 83 84 if (softpipe->quad.blend) 85 softpipe->quad.blend->destroy( softpipe->quad.blend ); 86 87 if (softpipe->quad.pstipple) 88 softpipe->quad.pstipple->destroy( softpipe->quad.pstipple ); 89 90 if (softpipe->pipe.stream_uploader) 91 u_upload_destroy(softpipe->pipe.stream_uploader); 92 93 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 94 sp_destroy_tile_cache(softpipe->cbuf_cache[i]); 95 pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL); 96 } 97 98 sp_destroy_tile_cache(softpipe->zsbuf_cache); 99 pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL); 100 101 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) { 102 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) { 103 sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]); 104 pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL); 105 } 106 } 107 108 for (sh = 0; sh < ARRAY_SIZE(softpipe->constants); sh++) { 109 for (i = 0; i < ARRAY_SIZE(softpipe->constants[0]); i++) { 110 if (softpipe->constants[sh][i]) { 111 pipe_resource_reference(&softpipe->constants[sh][i], NULL); 112 } 113 } 114 } 115 116 for (i = 0; i < softpipe->num_vertex_buffers; i++) { 117 pipe_vertex_buffer_unreference(&softpipe->vertex_buffer[i]); 118 } 119 120 tgsi_exec_machine_destroy(softpipe->fs_machine); 121 122 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 123 FREE(softpipe->tgsi.sampler[i]); 124 FREE(softpipe->tgsi.image[i]); 125 FREE(softpipe->tgsi.buffer[i]); 126 } 127 128 FREE( softpipe ); 129 } 130 131 132 /** 133 * if (the texture is being used as a framebuffer surface) 134 * return SP_REFERENCED_FOR_WRITE 135 * else if (the texture is a bound texture source) 136 * return SP_REFERENCED_FOR_READ 137 * else 138 * return SP_UNREFERENCED 139 */ 140 unsigned int 141 softpipe_is_resource_referenced( struct pipe_context *pipe, 142 struct pipe_resource *texture, 143 unsigned level, int layer) 144 { 145 struct softpipe_context *softpipe = softpipe_context( pipe ); 146 unsigned i, sh; 147 148 if (texture->target == PIPE_BUFFER) 149 return SP_UNREFERENCED; 150 151 /* check if any of the bound drawing surfaces are this texture */ 152 if (softpipe->dirty_render_cache) { 153 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) { 154 if (softpipe->framebuffer.cbufs[i] && 155 softpipe->framebuffer.cbufs[i]->texture == texture) { 156 return SP_REFERENCED_FOR_WRITE; 157 } 158 } 159 if (softpipe->framebuffer.zsbuf && 160 softpipe->framebuffer.zsbuf->texture == texture) { 161 return SP_REFERENCED_FOR_WRITE; 162 } 163 } 164 165 /* check if any of the tex_cache textures are this texture */ 166 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) { 167 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) { 168 if (softpipe->tex_cache[sh][i] && 169 softpipe->tex_cache[sh][i]->texture == texture) 170 return SP_REFERENCED_FOR_READ; 171 } 172 } 173 174 return SP_UNREFERENCED; 175 } 176 177 178 179 180 static void 181 softpipe_render_condition(struct pipe_context *pipe, 182 struct pipe_query *query, 183 boolean condition, 184 enum pipe_render_cond_flag mode) 185 { 186 struct softpipe_context *softpipe = softpipe_context( pipe ); 187 188 softpipe->render_cond_query = query; 189 softpipe->render_cond_mode = mode; 190 softpipe->render_cond_cond = condition; 191 } 192 193 194 195 struct pipe_context * 196 softpipe_create_context(struct pipe_screen *screen, 197 void *priv, unsigned flags) 198 { 199 struct softpipe_screen *sp_screen = softpipe_screen(screen); 200 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); 201 uint i, sh; 202 203 util_init_math(); 204 205 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 206 softpipe->tgsi.sampler[i] = sp_create_tgsi_sampler(); 207 } 208 209 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 210 softpipe->tgsi.image[i] = sp_create_tgsi_image(); 211 } 212 213 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 214 softpipe->tgsi.buffer[i] = sp_create_tgsi_buffer(); 215 } 216 217 softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE ); 218 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE ); 219 softpipe->dump_cs = debug_get_bool_option( "SOFTPIPE_DUMP_CS", FALSE ); 220 221 softpipe->pipe.screen = screen; 222 softpipe->pipe.destroy = softpipe_destroy; 223 softpipe->pipe.priv = priv; 224 225 /* state setters */ 226 softpipe_init_blend_funcs(&softpipe->pipe); 227 softpipe_init_clip_funcs(&softpipe->pipe); 228 softpipe_init_query_funcs( softpipe ); 229 softpipe_init_rasterizer_funcs(&softpipe->pipe); 230 softpipe_init_sampler_funcs(&softpipe->pipe); 231 softpipe_init_shader_funcs(&softpipe->pipe); 232 softpipe_init_streamout_funcs(&softpipe->pipe); 233 softpipe_init_texture_funcs( &softpipe->pipe ); 234 softpipe_init_vertex_funcs(&softpipe->pipe); 235 softpipe_init_image_funcs(&softpipe->pipe); 236 237 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state; 238 239 softpipe->pipe.draw_vbo = softpipe_draw_vbo; 240 241 softpipe->pipe.launch_grid = softpipe_launch_grid; 242 243 softpipe->pipe.clear = softpipe_clear; 244 softpipe->pipe.flush = softpipe_flush_wrapped; 245 softpipe->pipe.texture_barrier = softpipe_texture_barrier; 246 softpipe->pipe.memory_barrier = softpipe_memory_barrier; 247 softpipe->pipe.render_condition = softpipe_render_condition; 248 249 /* 250 * Alloc caches for accessing drawing surfaces and textures. 251 * Must be before quad stage setup! 252 */ 253 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) 254 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe ); 255 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe ); 256 257 /* Allocate texture caches */ 258 for (sh = 0; sh < ARRAY_SIZE(softpipe->tex_cache); sh++) { 259 for (i = 0; i < ARRAY_SIZE(softpipe->tex_cache[0]); i++) { 260 softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe); 261 if (!softpipe->tex_cache[sh][i]) 262 goto fail; 263 } 264 } 265 266 softpipe->fs_machine = tgsi_exec_machine_create(PIPE_SHADER_FRAGMENT); 267 268 /* setup quad rendering stages */ 269 softpipe->quad.shade = sp_quad_shade_stage(softpipe); 270 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); 271 softpipe->quad.blend = sp_quad_blend_stage(softpipe); 272 softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe); 273 274 softpipe->pipe.stream_uploader = u_upload_create_default(&softpipe->pipe); 275 if (!softpipe->pipe.stream_uploader) 276 goto fail; 277 softpipe->pipe.const_uploader = softpipe->pipe.stream_uploader; 278 279 /* 280 * Create drawing context and plug our rendering stage into it. 281 */ 282 if (sp_screen->use_llvm) 283 softpipe->draw = draw_create(&softpipe->pipe); 284 else 285 softpipe->draw = draw_create_no_llvm(&softpipe->pipe); 286 if (!softpipe->draw) 287 goto fail; 288 289 draw_texture_sampler(softpipe->draw, 290 PIPE_SHADER_VERTEX, 291 (struct tgsi_sampler *) 292 softpipe->tgsi.sampler[PIPE_SHADER_VERTEX]); 293 294 draw_texture_sampler(softpipe->draw, 295 PIPE_SHADER_GEOMETRY, 296 (struct tgsi_sampler *) 297 softpipe->tgsi.sampler[PIPE_SHADER_GEOMETRY]); 298 299 draw_image(softpipe->draw, 300 PIPE_SHADER_VERTEX, 301 (struct tgsi_image *) 302 softpipe->tgsi.image[PIPE_SHADER_VERTEX]); 303 304 draw_image(softpipe->draw, 305 PIPE_SHADER_GEOMETRY, 306 (struct tgsi_image *) 307 softpipe->tgsi.image[PIPE_SHADER_GEOMETRY]); 308 309 draw_buffer(softpipe->draw, 310 PIPE_SHADER_VERTEX, 311 (struct tgsi_buffer *) 312 softpipe->tgsi.buffer[PIPE_SHADER_VERTEX]); 313 314 draw_buffer(softpipe->draw, 315 PIPE_SHADER_GEOMETRY, 316 (struct tgsi_buffer *) 317 softpipe->tgsi.buffer[PIPE_SHADER_GEOMETRY]); 318 319 if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE )) 320 softpipe->no_rast = TRUE; 321 322 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe); 323 if (!softpipe->vbuf_backend) 324 goto fail; 325 326 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend); 327 if (!softpipe->vbuf) 328 goto fail; 329 330 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf); 331 draw_set_render(softpipe->draw, softpipe->vbuf_backend); 332 333 softpipe->blitter = util_blitter_create(&softpipe->pipe); 334 if (!softpipe->blitter) { 335 goto fail; 336 } 337 338 /* must be done before installing Draw stages */ 339 util_blitter_cache_all_shaders(softpipe->blitter); 340 341 /* plug in AA line/point stages */ 342 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe); 343 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe); 344 345 /* Do polygon stipple w/ texture map + frag prog? */ 346 #if DO_PSTIPPLE_IN_DRAW_MODULE 347 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe); 348 #endif 349 350 draw_wide_point_sprites(softpipe->draw, TRUE); 351 352 sp_init_surface_functions(softpipe); 353 354 #if DO_PSTIPPLE_IN_HELPER_MODULE 355 /* create the polgon stipple sampler */ 356 softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe); 357 #endif 358 359 return &softpipe->pipe; 360 361 fail: 362 softpipe_destroy(&softpipe->pipe); 363 return NULL; 364 } 365
