1 /* 2 * Copyright 2010 Christoph Bumiller 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 #include "pipe/p_defines.h" 24 #include "util/u_framebuffer.h" 25 26 #ifdef NVC0_WITH_DRAW_MODULE 27 #include "draw/draw_context.h" 28 #endif 29 30 #include "nvc0_context.h" 31 #include "nvc0_screen.h" 32 #include "nvc0_resource.h" 33 34 static void 35 nvc0_flush(struct pipe_context *pipe, 36 struct pipe_fence_handle **fence) 37 { 38 struct nvc0_context *nvc0 = nvc0_context(pipe); 39 struct nouveau_screen *screen = &nvc0->screen->base; 40 41 if (fence) 42 nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence); 43 44 PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */ 45 } 46 47 static void 48 nvc0_texture_barrier(struct pipe_context *pipe) 49 { 50 struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf; 51 52 IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0); 53 IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0); 54 } 55 56 static void 57 nvc0_context_unreference_resources(struct nvc0_context *nvc0) 58 { 59 unsigned s, i; 60 61 nouveau_bufctx_del(&nvc0->bufctx_3d); 62 nouveau_bufctx_del(&nvc0->bufctx); 63 64 util_unreference_framebuffer_state(&nvc0->framebuffer); 65 66 for (i = 0; i < nvc0->num_vtxbufs; ++i) 67 pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL); 68 69 pipe_resource_reference(&nvc0->idxbuf.buffer, NULL); 70 71 for (s = 0; s < 5; ++s) { 72 for (i = 0; i < nvc0->num_textures[s]; ++i) 73 pipe_sampler_view_reference(&nvc0->textures[s][i], NULL); 74 75 for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i) 76 if (!nvc0->constbuf[s][i].user) 77 pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL); 78 } 79 80 for (i = 0; i < nvc0->num_tfbbufs; ++i) 81 pipe_so_target_reference(&nvc0->tfbbuf[i], NULL); 82 } 83 84 static void 85 nvc0_destroy(struct pipe_context *pipe) 86 { 87 struct nvc0_context *nvc0 = nvc0_context(pipe); 88 89 if (nvc0->screen->cur_ctx == nvc0) { 90 nvc0->base.pushbuf->kick_notify = NULL; 91 nvc0->screen->cur_ctx = NULL; 92 nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL); 93 } 94 nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel); 95 96 nvc0_context_unreference_resources(nvc0); 97 98 #ifdef NVC0_WITH_DRAW_MODULE 99 draw_destroy(nvc0->draw); 100 #endif 101 102 nouveau_context_destroy(&nvc0->base); 103 } 104 105 void 106 nvc0_default_kick_notify(struct nouveau_pushbuf *push) 107 { 108 struct nvc0_screen *screen = push->user_priv; 109 110 if (screen) { 111 nouveau_fence_next(&screen->base); 112 nouveau_fence_update(&screen->base, TRUE); 113 if (screen->cur_ctx) 114 screen->cur_ctx->state.flushed = TRUE; 115 } 116 } 117 118 struct pipe_context * 119 nvc0_create(struct pipe_screen *pscreen, void *priv) 120 { 121 struct nvc0_screen *screen = nvc0_screen(pscreen); 122 struct nvc0_context *nvc0; 123 struct pipe_context *pipe; 124 int ret; 125 uint32_t flags; 126 127 nvc0 = CALLOC_STRUCT(nvc0_context); 128 if (!nvc0) 129 return NULL; 130 pipe = &nvc0->base.pipe; 131 132 nvc0->base.pushbuf = screen->base.pushbuf; 133 134 ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_COUNT, 135 &nvc0->bufctx_3d); 136 if (!ret) 137 nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx); 138 if (ret) 139 goto out_err; 140 141 nvc0->screen = screen; 142 nvc0->base.screen = &screen->base; 143 144 pipe->screen = pscreen; 145 pipe->priv = priv; 146 147 pipe->destroy = nvc0_destroy; 148 149 pipe->draw_vbo = nvc0_draw_vbo; 150 pipe->clear = nvc0_clear; 151 152 pipe->flush = nvc0_flush; 153 pipe->texture_barrier = nvc0_texture_barrier; 154 155 if (!screen->cur_ctx) { 156 screen->cur_ctx = nvc0; 157 nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx); 158 } 159 screen->base.pushbuf->kick_notify = nvc0_default_kick_notify; 160 161 nvc0_init_query_functions(nvc0); 162 nvc0_init_surface_functions(nvc0); 163 nvc0_init_state_functions(nvc0); 164 nvc0_init_transfer_functions(nvc0); 165 nvc0_init_resource_functions(pipe); 166 167 #ifdef NVC0_WITH_DRAW_MODULE 168 /* no software fallbacks implemented */ 169 nvc0->draw = draw_create(pipe); 170 assert(nvc0->draw); 171 draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0)); 172 #endif 173 174 nouveau_context_init_vdec(&nvc0->base); 175 176 /* shader builtin library is per-screen, but we need a context for m2mf */ 177 nvc0_program_library_upload(nvc0); 178 179 /* add permanently resident buffers to bufctxts */ 180 181 flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD; 182 183 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text); 184 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniform_bo); 185 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc); 186 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->poly_cache); 187 188 flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR; 189 190 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo); 191 BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo); 192 193 nvc0->base.scratch.bo_size = 2 << 20; 194 195 return pipe; 196 197 out_err: 198 if (nvc0) { 199 if (nvc0->bufctx_3d) 200 nouveau_bufctx_del(&nvc0->bufctx_3d); 201 if (nvc0->bufctx) 202 nouveau_bufctx_del(&nvc0->bufctx); 203 FREE(nvc0); 204 } 205 return NULL; 206 } 207 208 void 209 nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx, 210 boolean on_flush) 211 { 212 struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending; 213 struct nouveau_list *it; 214 215 for (it = list->next; it != list; it = it->next) { 216 struct nouveau_bufref *ref = (struct nouveau_bufref *)it; 217 struct nv04_resource *res = ref->priv; 218 if (res) 219 nvc0_resource_validate(res, (unsigned)ref->priv_data); 220 } 221 } 222