1 /************************************************************************** 2 * 3 * Copyright 2011 Lauri Kasanen 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "pipe/p_compiler.h" 29 30 #include "postprocess/filters.h" 31 #include "postprocess/pp_private.h" 32 33 #include "pipe/p_screen.h" 34 #include "util/u_inlines.h" 35 #include "util/u_math.h" 36 #include "util/u_debug.h" 37 #include "util/u_memory.h" 38 #include "cso_cache/cso_context.h" 39 40 /** Initialize the post-processing queue. */ 41 struct pp_queue_t * 42 pp_init(struct pipe_context *pipe, const unsigned int *enabled, 43 struct cso_context *cso) 44 { 45 unsigned int num_filters = 0; 46 unsigned int curpos = 0, i, tmp_req = 0; 47 struct pp_queue_t *ppq; 48 49 pp_debug("Initializing the post-processing queue.\n"); 50 51 /* How many filters were requested? */ 52 for (i = 0; i < PP_FILTERS; i++) { 53 if (enabled[i]) 54 num_filters++; 55 } 56 if (num_filters == 0) 57 return NULL; 58 59 ppq = CALLOC(1, sizeof(struct pp_queue_t)); 60 61 if (!ppq) { 62 pp_debug("Unable to allocate memory for ppq.\n"); 63 goto error; 64 } 65 66 ppq->pp_queue = CALLOC(num_filters, sizeof(pp_func)); 67 if (ppq->pp_queue == NULL) { 68 pp_debug("Unable to allocate memory for pp_queue.\n"); 69 goto error; 70 } 71 72 ppq->shaders = CALLOC(num_filters, sizeof(void *)); 73 ppq->filters = CALLOC(num_filters, sizeof(unsigned int)); 74 75 if ((ppq->shaders == NULL) || 76 (ppq->filters == NULL)) { 77 pp_debug("Unable to allocate memory for shaders and filter arrays.\n"); 78 goto error; 79 } 80 81 ppq->p = pp_init_prog(ppq, pipe, cso); 82 if (ppq->p == NULL) { 83 pp_debug("pp_init_prog returned NULL.\n"); 84 goto error; 85 } 86 87 /* Add the enabled filters to the queue, in order */ 88 curpos = 0; 89 for (i = 0; i < PP_FILTERS; i++) { 90 if (enabled[i]) { 91 ppq->pp_queue[curpos] = pp_filters[i].main; 92 tmp_req = MAX2(tmp_req, pp_filters[i].inner_tmps); 93 ppq->filters[curpos] = i; 94 95 if (pp_filters[i].shaders) { 96 ppq->shaders[curpos] = 97 CALLOC(pp_filters[i].shaders + 1, sizeof(void *)); 98 if (!ppq->shaders[curpos]) { 99 pp_debug("Unable to allocate memory for shader list.\n"); 100 goto error; 101 } 102 } 103 104 /* Call the initialization function for the filter. */ 105 if (!pp_filters[i].init(ppq, curpos, enabled[i])) { 106 pp_debug("Initialization for filter %u failed.\n", i); 107 goto error; 108 } 109 110 curpos++; 111 } 112 } 113 114 ppq->n_filters = curpos; 115 ppq->n_tmp = (curpos > 2 ? 2 : 1); 116 ppq->n_inner_tmp = tmp_req; 117 118 ppq->fbos_init = false; 119 120 for (i = 0; i < curpos; i++) 121 ppq->shaders[i][0] = ppq->p->passvs; 122 123 pp_debug("Queue successfully allocated. %u filter(s).\n", curpos); 124 125 return ppq; 126 127 error: 128 129 if (ppq) { 130 /* Assign curpos, since we only need to destroy initialized filters. */ 131 ppq->n_filters = curpos; 132 133 /* Call the common free function which must handle partial initialization. */ 134 pp_free(ppq); 135 } 136 137 return NULL; 138 } 139 140 /** Free any allocated FBOs (temp buffers). Called after resizing for example. */ 141 void 142 pp_free_fbos(struct pp_queue_t *ppq) 143 { 144 145 unsigned int i; 146 147 if (!ppq->fbos_init) 148 return; 149 150 for (i = 0; i < ppq->n_tmp; i++) { 151 pipe_surface_reference(&ppq->tmps[i], NULL); 152 pipe_resource_reference(&ppq->tmp[i], NULL); 153 } 154 for (i = 0; i < ppq->n_inner_tmp; i++) { 155 pipe_surface_reference(&ppq->inner_tmps[i], NULL); 156 pipe_resource_reference(&ppq->inner_tmp[i], NULL); 157 } 158 pipe_surface_reference(&ppq->stencils, NULL); 159 pipe_resource_reference(&ppq->stencil, NULL); 160 161 ppq->fbos_init = false; 162 } 163 164 /** 165 * Free the pp queue. Called on context termination and failure in 166 * pp_init. 167 */ 168 void 169 pp_free(struct pp_queue_t *ppq) 170 { 171 unsigned int i, j; 172 173 if (!ppq) 174 return; 175 176 pp_free_fbos(ppq); 177 178 if (ppq->p) { 179 if (ppq->p->pipe && ppq->filters && ppq->shaders) { 180 for (i = 0; i < ppq->n_filters; i++) { 181 unsigned int filter = ppq->filters[i]; 182 183 if (ppq->shaders[i] == NULL) { 184 continue; 185 } 186 187 /* 188 * Common shader destruction code for all postprocessing 189 * filters. 190 */ 191 for (j = 0; j < pp_filters[filter].shaders; j++) { 192 if (ppq->shaders[i][j] == NULL) { 193 /* We reached the end of initialized shaders. */ 194 break; 195 } 196 197 if (ppq->shaders[i][j] == ppq->p->passvs) { 198 continue; 199 } 200 201 assert(ppq); 202 assert(ppq->p); 203 assert(ppq->p->pipe); 204 205 if (j >= pp_filters[filter].verts) { 206 assert(ppq->p->pipe->delete_fs_state); 207 ppq->p->pipe->delete_fs_state(ppq->p->pipe, 208 ppq->shaders[i][j]); 209 ppq->shaders[i][j] = NULL; 210 } else { 211 assert(ppq->p->pipe->delete_vs_state); 212 ppq->p->pipe->delete_vs_state(ppq->p->pipe, 213 ppq->shaders[i][j]); 214 ppq->shaders[i][j] = NULL; 215 } 216 } 217 218 /* Finally call each filter type's free functionality. */ 219 pp_filters[filter].free(ppq, i); 220 } 221 } 222 223 FREE(ppq->p); 224 } 225 226 /* 227 * Handle partial initialization for common resource destruction 228 * in the create path. 229 */ 230 FREE(ppq->filters); 231 FREE(ppq->shaders); 232 FREE(ppq->pp_queue); 233 234 FREE(ppq); 235 236 pp_debug("Queue taken down.\n"); 237 } 238 239 /** Internal debug function. Should be available to final users. */ 240 void 241 pp_debug(const char *fmt, ...) 242 { 243 va_list ap; 244 245 if (!debug_get_bool_option("PP_DEBUG", FALSE)) 246 return; 247 248 va_start(ap, fmt); 249 _debug_vprintf(fmt, ap); 250 va_end(ap); 251 } 252 253 /** Allocate the temp FBOs. Called on makecurrent and resize. */ 254 void 255 pp_init_fbos(struct pp_queue_t *ppq, unsigned int w, 256 unsigned int h) 257 { 258 259 struct pp_program *p = ppq->p; /* The lazy will inherit the earth */ 260 261 unsigned int i; 262 struct pipe_resource tmp_res; 263 264 if (ppq->fbos_init) 265 return; 266 267 pp_debug("Initializing FBOs, size %ux%u\n", w, h); 268 pp_debug("Requesting %u temps and %u inner temps\n", ppq->n_tmp, 269 ppq->n_inner_tmp); 270 271 memset(&tmp_res, 0, sizeof(tmp_res)); 272 tmp_res.target = PIPE_TEXTURE_2D; 273 tmp_res.format = p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM; 274 tmp_res.width0 = w; 275 tmp_res.height0 = h; 276 tmp_res.depth0 = 1; 277 tmp_res.array_size = 1; 278 tmp_res.last_level = 0; 279 tmp_res.bind = PIPE_BIND_RENDER_TARGET; 280 281 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 282 tmp_res.target, 1, tmp_res.bind)) 283 pp_debug("Temp buffers' format fail\n"); 284 285 for (i = 0; i < ppq->n_tmp; i++) { 286 ppq->tmp[i] = p->screen->resource_create(p->screen, &tmp_res); 287 ppq->tmps[i] = p->pipe->create_surface(p->pipe, ppq->tmp[i], &p->surf); 288 289 if (!ppq->tmp[i] || !ppq->tmps[i]) 290 goto error; 291 } 292 293 for (i = 0; i < ppq->n_inner_tmp; i++) { 294 ppq->inner_tmp[i] = p->screen->resource_create(p->screen, &tmp_res); 295 ppq->inner_tmps[i] = p->pipe->create_surface(p->pipe, 296 ppq->inner_tmp[i], 297 &p->surf); 298 299 if (!ppq->inner_tmp[i] || !ppq->inner_tmps[i]) 300 goto error; 301 } 302 303 tmp_res.bind = PIPE_BIND_DEPTH_STENCIL; 304 305 tmp_res.format = p->surf.format = PIPE_FORMAT_S8_UINT_Z24_UNORM; 306 307 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 308 tmp_res.target, 1, tmp_res.bind)) { 309 310 tmp_res.format = p->surf.format = PIPE_FORMAT_Z24_UNORM_S8_UINT; 311 312 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 313 tmp_res.target, 1, tmp_res.bind)) 314 pp_debug("Temp Sbuffer format fail\n"); 315 } 316 317 ppq->stencil = p->screen->resource_create(p->screen, &tmp_res); 318 ppq->stencils = p->pipe->create_surface(p->pipe, ppq->stencil, &p->surf); 319 if (!ppq->stencil || !ppq->stencils) 320 goto error; 321 322 p->framebuffer.width = w; 323 p->framebuffer.height = h; 324 325 p->viewport.scale[0] = p->viewport.translate[0] = (float) w / 2.0f; 326 p->viewport.scale[1] = p->viewport.translate[1] = (float) h / 2.0f; 327 328 ppq->fbos_init = true; 329 330 return; 331 332 error: 333 pp_debug("Failed to allocate temp buffers!\n"); 334 } 335
