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 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 32 #include "pipe/p_screen.h" 33 #include "util/u_inlines.h" 34 #include "util/u_blit.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_screen *pscreen, const unsigned int *enabled) 43 { 44 45 unsigned int curpos = 0, i, tmp_req = 0; 46 struct pp_queue_t *ppq; 47 pp_func *tmp_q; 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 curpos++; 55 } 56 if (!curpos) 57 return NULL; 58 59 ppq = CALLOC(1, sizeof(struct pp_queue_t)); 60 tmp_q = CALLOC(curpos, sizeof(pp_func)); 61 ppq->shaders = CALLOC(curpos, sizeof(void *)); 62 ppq->verts = CALLOC(curpos, sizeof(unsigned int)); 63 64 if (!tmp_q || !ppq || !ppq->shaders || !ppq->verts) 65 goto error; 66 67 ppq->p = pp_init_prog(ppq, pscreen); 68 if (!ppq->p) 69 goto error; 70 71 /* Add the enabled filters to the queue, in order */ 72 curpos = 0; 73 ppq->pp_queue = tmp_q; 74 for (i = 0; i < PP_FILTERS; i++) { 75 if (enabled[i]) { 76 ppq->pp_queue[curpos] = pp_filters[i].main; 77 tmp_req = MAX2(tmp_req, pp_filters[i].inner_tmps); 78 79 if (pp_filters[i].shaders) { 80 ppq->shaders[curpos] = 81 CALLOC(pp_filters[i].shaders + 1, sizeof(void *)); 82 ppq->verts[curpos] = pp_filters[i].verts; 83 if (!ppq->shaders[curpos]) 84 goto error; 85 } 86 pp_filters[i].init(ppq, curpos, enabled[i]); 87 88 curpos++; 89 } 90 } 91 92 ppq->p->blitctx = util_create_blit(ppq->p->pipe, ppq->p->cso); 93 if (!ppq->p->blitctx) 94 goto error; 95 96 ppq->n_filters = curpos; 97 ppq->n_tmp = (curpos > 2 ? 2 : 1); 98 ppq->n_inner_tmp = tmp_req; 99 100 ppq->fbos_init = false; 101 102 for (i = 0; i < curpos; i++) 103 ppq->shaders[i][0] = ppq->p->passvs; 104 105 pp_debug("Queue successfully allocated. %u filter(s).\n", curpos); 106 107 return ppq; 108 109 error: 110 pp_debug("Error setting up pp\n"); 111 112 if (ppq) 113 FREE(ppq->p); 114 FREE(ppq); 115 FREE(tmp_q); 116 117 return NULL; 118 } 119 120 /** Free any allocated FBOs (temp buffers). Called after resizing for example. */ 121 void 122 pp_free_fbos(struct pp_queue_t *ppq) 123 { 124 125 unsigned int i; 126 127 if (!ppq->fbos_init) 128 return; 129 130 for (i = 0; i < ppq->n_tmp; i++) { 131 pipe_surface_reference(&ppq->tmps[i], NULL); 132 pipe_resource_reference(&ppq->tmp[i], NULL); 133 } 134 for (i = 0; i < ppq->n_inner_tmp; i++) { 135 pipe_surface_reference(&ppq->inner_tmps[i], NULL); 136 pipe_resource_reference(&ppq->inner_tmp[i], NULL); 137 } 138 pipe_surface_reference(&ppq->stencils, NULL); 139 pipe_resource_reference(&ppq->stencil, NULL); 140 141 ppq->fbos_init = false; 142 } 143 144 /** Free the pp queue. Called on context termination. */ 145 void 146 pp_free(struct pp_queue_t *ppq) 147 { 148 149 unsigned int i, j; 150 151 pp_free_fbos(ppq); 152 153 util_destroy_blit(ppq->p->blitctx); 154 155 cso_set_sampler_views(ppq->p->cso, PIPE_SHADER_FRAGMENT, 0, NULL); 156 cso_release_all(ppq->p->cso); 157 158 for (i = 0; i < ppq->n_filters; i++) { 159 for (j = 0; j < PP_MAX_PASSES && ppq->shaders[i][j]; j++) { 160 if (j >= ppq->verts[i]) { 161 ppq->p->pipe->delete_fs_state(ppq->p->pipe, ppq->shaders[i][j]); 162 ppq->shaders[i][j] = NULL; 163 } 164 else if (ppq->shaders[i][j] != ppq->p->passvs) { 165 ppq->p->pipe->delete_vs_state(ppq->p->pipe, ppq->shaders[i][j]); 166 ppq->shaders[i][j] = NULL; 167 } 168 } 169 } 170 171 cso_destroy_context(ppq->p->cso); 172 ppq->p->pipe->destroy(ppq->p->pipe); 173 174 FREE(ppq->p); 175 FREE(ppq->pp_queue); 176 FREE(ppq); 177 178 pp_debug("Queue taken down.\n"); 179 } 180 181 /** Internal debug function. Should be available to final users. */ 182 void 183 pp_debug(const char *fmt, ...) 184 { 185 va_list ap; 186 187 if (!debug_get_bool_option("PP_DEBUG", FALSE)) 188 return; 189 190 va_start(ap, fmt); 191 _debug_vprintf(fmt, ap); 192 va_end(ap); 193 } 194 195 /** Allocate the temp FBOs. Called on makecurrent and resize. */ 196 void 197 pp_init_fbos(struct pp_queue_t *ppq, unsigned int w, 198 unsigned int h) 199 { 200 201 struct program *p = ppq->p; /* The lazy will inherit the earth */ 202 203 unsigned int i; 204 struct pipe_resource tmp_res; 205 206 if (ppq->fbos_init) 207 return; 208 209 pp_debug("Initializing FBOs, size %ux%u\n", w, h); 210 pp_debug("Requesting %u temps and %u inner temps\n", ppq->n_tmp, 211 ppq->n_inner_tmp); 212 213 memset(&tmp_res, 0, sizeof(tmp_res)); 214 tmp_res.target = PIPE_TEXTURE_2D; 215 tmp_res.format = p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM; 216 tmp_res.width0 = w; 217 tmp_res.height0 = h; 218 tmp_res.depth0 = 1; 219 tmp_res.array_size = 1; 220 tmp_res.last_level = 0; 221 tmp_res.bind = p->surf.usage = PIPE_BIND_RENDER_TARGET; 222 223 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 224 tmp_res.target, 1, tmp_res.bind)) 225 pp_debug("Temp buffers' format fail\n"); 226 227 for (i = 0; i < ppq->n_tmp; i++) { 228 ppq->tmp[i] = p->screen->resource_create(p->screen, &tmp_res); 229 ppq->tmps[i] = p->pipe->create_surface(p->pipe, ppq->tmp[i], &p->surf); 230 231 if (!ppq->tmp[i] || !ppq->tmps[i]) 232 goto error; 233 } 234 235 for (i = 0; i < ppq->n_inner_tmp; i++) { 236 ppq->inner_tmp[i] = p->screen->resource_create(p->screen, &tmp_res); 237 ppq->inner_tmps[i] = p->pipe->create_surface(p->pipe, 238 ppq->inner_tmp[i], 239 &p->surf); 240 241 if (!ppq->inner_tmp[i] || !ppq->inner_tmps[i]) 242 goto error; 243 } 244 245 tmp_res.bind = p->surf.usage = PIPE_BIND_DEPTH_STENCIL; 246 247 tmp_res.format = p->surf.format = PIPE_FORMAT_S8_UINT_Z24_UNORM; 248 249 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 250 tmp_res.target, 1, tmp_res.bind)) { 251 252 tmp_res.format = p->surf.format = PIPE_FORMAT_Z24_UNORM_S8_UINT; 253 254 if (!p->screen->is_format_supported(p->screen, tmp_res.format, 255 tmp_res.target, 1, tmp_res.bind)) 256 pp_debug("Temp Sbuffer format fail\n"); 257 } 258 259 ppq->stencil = p->screen->resource_create(p->screen, &tmp_res); 260 ppq->stencils = p->pipe->create_surface(p->pipe, ppq->stencil, &p->surf); 261 if (!ppq->stencil || !ppq->stencils) 262 goto error; 263 264 265 p->framebuffer.width = w; 266 p->framebuffer.height = h; 267 268 p->viewport.scale[0] = p->viewport.translate[0] = (float) w / 2.0; 269 p->viewport.scale[1] = p->viewport.translate[1] = (float) h / 2.0; 270 p->viewport.scale[3] = 1.0f; 271 p->viewport.translate[3] = 0.0f; 272 273 ppq->fbos_init = true; 274 275 return; 276 277 error: 278 pp_debug("Failed to allocate temp buffers!\n"); 279 } 280
