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 "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 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 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 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 * 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
