1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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 <keith (at) tungstengraphics.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 "vl/vl_decoder.h" 42 #include "vl/vl_video_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 55 56 /** 57 * Map any drawing surfaces which aren't already mapped 58 */ 59 void 60 softpipe_map_transfers(struct softpipe_context *sp) 61 { 62 unsigned i; 63 64 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { 65 sp_tile_cache_map_transfers(sp->cbuf_cache[i]); 66 } 67 68 sp_tile_cache_map_transfers(sp->zsbuf_cache); 69 } 70 71 72 /** 73 * Unmap any mapped drawing surfaces 74 */ 75 void 76 softpipe_unmap_transfers(struct softpipe_context *sp) 77 { 78 uint i; 79 80 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { 81 sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]); 82 } 83 84 sp_tile_cache_unmap_transfers(sp->zsbuf_cache); 85 } 86 87 88 static void 89 softpipe_destroy( struct pipe_context *pipe ) 90 { 91 struct softpipe_context *softpipe = softpipe_context( pipe ); 92 uint i, sh; 93 94 #if DO_PSTIPPLE_IN_HELPER_MODULE 95 if (softpipe->pstipple.sampler) 96 pipe->delete_sampler_state(pipe, softpipe->pstipple.sampler); 97 98 pipe_resource_reference(&softpipe->pstipple.texture, NULL); 99 pipe_sampler_view_reference(&softpipe->pstipple.sampler_view, NULL); 100 #endif 101 102 if (softpipe->draw) 103 draw_destroy( softpipe->draw ); 104 105 if (softpipe->quad.shade) 106 softpipe->quad.shade->destroy( softpipe->quad.shade ); 107 108 if (softpipe->quad.depth_test) 109 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test ); 110 111 if (softpipe->quad.blend) 112 softpipe->quad.blend->destroy( softpipe->quad.blend ); 113 114 if (softpipe->quad.pstipple) 115 softpipe->quad.pstipple->destroy( softpipe->quad.pstipple ); 116 117 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 118 sp_destroy_tile_cache(softpipe->cbuf_cache[i]); 119 pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL); 120 } 121 122 sp_destroy_tile_cache(softpipe->zsbuf_cache); 123 pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL); 124 125 for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) { 126 for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) { 127 sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]); 128 pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL); 129 } 130 } 131 132 for (sh = 0; sh < Elements(softpipe->constants); sh++) { 133 for (i = 0; i < Elements(softpipe->constants[0]); i++) { 134 if (softpipe->constants[sh][i]) { 135 pipe_resource_reference(&softpipe->constants[sh][i], NULL); 136 } 137 } 138 } 139 140 for (i = 0; i < softpipe->num_vertex_buffers; i++) { 141 pipe_resource_reference(&softpipe->vertex_buffer[i].buffer, NULL); 142 } 143 144 tgsi_exec_machine_destroy(softpipe->fs_machine); 145 146 FREE( softpipe ); 147 } 148 149 150 /** 151 * if (the texture is being used as a framebuffer surface) 152 * return SP_REFERENCED_FOR_WRITE 153 * else if (the texture is a bound texture source) 154 * return SP_REFERENCED_FOR_READ 155 * else 156 * return SP_UNREFERENCED 157 */ 158 unsigned int 159 softpipe_is_resource_referenced( struct pipe_context *pipe, 160 struct pipe_resource *texture, 161 unsigned level, int layer) 162 { 163 struct softpipe_context *softpipe = softpipe_context( pipe ); 164 unsigned i, sh; 165 166 if (texture->target == PIPE_BUFFER) 167 return SP_UNREFERENCED; 168 169 /* check if any of the bound drawing surfaces are this texture */ 170 if (softpipe->dirty_render_cache) { 171 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) { 172 if (softpipe->framebuffer.cbufs[i] && 173 softpipe->framebuffer.cbufs[i]->texture == texture) { 174 return SP_REFERENCED_FOR_WRITE; 175 } 176 } 177 if (softpipe->framebuffer.zsbuf && 178 softpipe->framebuffer.zsbuf->texture == texture) { 179 return SP_REFERENCED_FOR_WRITE; 180 } 181 } 182 183 /* check if any of the tex_cache textures are this texture */ 184 for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) { 185 for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) { 186 if (softpipe->tex_cache[sh][i] && 187 softpipe->tex_cache[sh][i]->texture == texture) 188 return SP_REFERENCED_FOR_READ; 189 } 190 } 191 192 return SP_UNREFERENCED; 193 } 194 195 196 197 198 static void 199 softpipe_render_condition( struct pipe_context *pipe, 200 struct pipe_query *query, 201 uint mode ) 202 { 203 struct softpipe_context *softpipe = softpipe_context( pipe ); 204 205 softpipe->render_cond_query = query; 206 softpipe->render_cond_mode = mode; 207 } 208 209 210 211 struct pipe_context * 212 softpipe_create_context( struct pipe_screen *screen, 213 void *priv ) 214 { 215 struct softpipe_screen *sp_screen = softpipe_screen(screen); 216 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); 217 uint i, sh; 218 219 util_init_math(); 220 221 softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE ); 222 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE ); 223 224 softpipe->pipe.screen = screen; 225 softpipe->pipe.destroy = softpipe_destroy; 226 softpipe->pipe.priv = priv; 227 228 /* state setters */ 229 softpipe_init_blend_funcs(&softpipe->pipe); 230 softpipe_init_clip_funcs(&softpipe->pipe); 231 softpipe_init_query_funcs( softpipe ); 232 softpipe_init_rasterizer_funcs(&softpipe->pipe); 233 softpipe_init_sampler_funcs(&softpipe->pipe); 234 softpipe_init_shader_funcs(&softpipe->pipe); 235 softpipe_init_streamout_funcs(&softpipe->pipe); 236 softpipe_init_texture_funcs( &softpipe->pipe ); 237 softpipe_init_vertex_funcs(&softpipe->pipe); 238 239 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state; 240 241 softpipe->pipe.draw_vbo = softpipe_draw_vbo; 242 243 softpipe->pipe.clear = softpipe_clear; 244 softpipe->pipe.flush = softpipe_flush_wrapped; 245 246 softpipe->pipe.render_condition = softpipe_render_condition; 247 248 softpipe->pipe.create_video_decoder = vl_create_decoder; 249 softpipe->pipe.create_video_buffer = vl_video_buffer_create; 250 251 /* 252 * Alloc caches for accessing drawing surfaces and textures. 253 * Must be before quad stage setup! 254 */ 255 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) 256 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe ); 257 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe ); 258 259 /* Allocate texture caches */ 260 for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) { 261 for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) { 262 softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe); 263 if (!softpipe->tex_cache[sh][i]) 264 goto fail; 265 } 266 } 267 268 softpipe->fs_machine = tgsi_exec_machine_create(); 269 270 /* setup quad rendering stages */ 271 softpipe->quad.shade = sp_quad_shade_stage(softpipe); 272 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); 273 softpipe->quad.blend = sp_quad_blend_stage(softpipe); 274 softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe); 275 276 277 /* 278 * Create drawing context and plug our rendering stage into it. 279 */ 280 if (sp_screen->use_llvm) 281 softpipe->draw = draw_create(&softpipe->pipe); 282 else 283 softpipe->draw = draw_create_no_llvm(&softpipe->pipe); 284 if (!softpipe->draw) 285 goto fail; 286 287 draw_texture_samplers(softpipe->draw, 288 PIPE_SHADER_VERTEX, 289 PIPE_MAX_SAMPLERS, 290 (struct tgsi_sampler **) 291 softpipe->tgsi.samplers_list[PIPE_SHADER_VERTEX]); 292 293 draw_texture_samplers(softpipe->draw, 294 PIPE_SHADER_GEOMETRY, 295 PIPE_MAX_SAMPLERS, 296 (struct tgsi_sampler **) 297 softpipe->tgsi.samplers_list[PIPE_SHADER_GEOMETRY]); 298 299 if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE )) 300 softpipe->no_rast = TRUE; 301 302 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe); 303 if (!softpipe->vbuf_backend) 304 goto fail; 305 306 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend); 307 if (!softpipe->vbuf) 308 goto fail; 309 310 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf); 311 draw_set_render(softpipe->draw, softpipe->vbuf_backend); 312 313 314 /* plug in AA line/point stages */ 315 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe); 316 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe); 317 318 /* Do polygon stipple w/ texture map + frag prog? */ 319 #if DO_PSTIPPLE_IN_DRAW_MODULE 320 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe); 321 #endif 322 323 draw_wide_point_sprites(softpipe->draw, TRUE); 324 325 sp_init_surface_functions(softpipe); 326 327 #if DO_PSTIPPLE_IN_HELPER_MODULE 328 /* create the polgon stipple sampler */ 329 softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe); 330 #endif 331 332 return &softpipe->pipe; 333 334 fail: 335 softpipe_destroy(&softpipe->pipe); 336 return NULL; 337 } 338
