1 /* 2 * Copyright 2014 Broadcom 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include <xf86drm.h> 25 #include <err.h> 26 27 #include "pipe/p_defines.h" 28 #include "util/ralloc.h" 29 #include "util/u_inlines.h" 30 #include "util/u_memory.h" 31 #include "util/u_blitter.h" 32 #include "util/u_upload_mgr.h" 33 #include "indices/u_primconvert.h" 34 #include "pipe/p_screen.h" 35 36 #include "vc4_screen.h" 37 #include "vc4_context.h" 38 #include "vc4_resource.h" 39 40 void 41 vc4_flush(struct pipe_context *pctx) 42 { 43 struct vc4_context *vc4 = vc4_context(pctx); 44 45 struct hash_entry *entry; 46 hash_table_foreach(vc4->jobs, entry) { 47 struct vc4_job *job = entry->data; 48 vc4_job_submit(vc4, job); 49 } 50 } 51 52 static void 53 vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence, 54 unsigned flags) 55 { 56 struct vc4_context *vc4 = vc4_context(pctx); 57 58 vc4_flush(pctx); 59 60 if (fence) { 61 struct pipe_screen *screen = pctx->screen; 62 struct vc4_fence *f = vc4_fence_create(vc4->screen, 63 vc4->last_emit_seqno); 64 screen->fence_reference(screen, fence, NULL); 65 *fence = (struct pipe_fence_handle *)f; 66 } 67 } 68 69 static void 70 vc4_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc) 71 { 72 struct vc4_context *vc4 = vc4_context(pctx); 73 struct vc4_resource *rsc = vc4_resource(prsc); 74 75 rsc->initialized_buffers = 0; 76 77 struct hash_entry *entry = _mesa_hash_table_search(vc4->write_jobs, 78 prsc); 79 if (!entry) 80 return; 81 82 struct vc4_job *job = entry->data; 83 if (job->key.zsbuf && job->key.zsbuf->texture == prsc) 84 job->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL); 85 } 86 87 static void 88 vc4_context_destroy(struct pipe_context *pctx) 89 { 90 struct vc4_context *vc4 = vc4_context(pctx); 91 92 vc4_flush(pctx); 93 94 if (vc4->blitter) 95 util_blitter_destroy(vc4->blitter); 96 97 if (vc4->primconvert) 98 util_primconvert_destroy(vc4->primconvert); 99 100 if (vc4->uploader) 101 u_upload_destroy(vc4->uploader); 102 103 slab_destroy_child(&vc4->transfer_pool); 104 105 pipe_surface_reference(&vc4->framebuffer.cbufs[0], NULL); 106 pipe_surface_reference(&vc4->framebuffer.zsbuf, NULL); 107 108 vc4_program_fini(pctx); 109 110 ralloc_free(vc4); 111 } 112 113 struct pipe_context * 114 vc4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags) 115 { 116 struct vc4_screen *screen = vc4_screen(pscreen); 117 struct vc4_context *vc4; 118 119 /* Prevent dumping of the shaders built during context setup. */ 120 uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB; 121 vc4_debug &= ~VC4_DEBUG_SHADERDB; 122 123 vc4 = rzalloc(NULL, struct vc4_context); 124 if (!vc4) 125 return NULL; 126 struct pipe_context *pctx = &vc4->base; 127 128 vc4->screen = screen; 129 130 pctx->screen = pscreen; 131 pctx->priv = priv; 132 pctx->destroy = vc4_context_destroy; 133 pctx->flush = vc4_pipe_flush; 134 pctx->invalidate_resource = vc4_invalidate_resource; 135 136 vc4_draw_init(pctx); 137 vc4_state_init(pctx); 138 vc4_program_init(pctx); 139 vc4_query_init(pctx); 140 vc4_resource_context_init(pctx); 141 142 vc4_job_init(vc4); 143 144 vc4->fd = screen->fd; 145 146 slab_create_child(&vc4->transfer_pool, &screen->transfer_pool); 147 vc4->blitter = util_blitter_create(pctx); 148 if (!vc4->blitter) 149 goto fail; 150 151 vc4->primconvert = util_primconvert_create(pctx, 152 (1 << PIPE_PRIM_QUADS) - 1); 153 if (!vc4->primconvert) 154 goto fail; 155 156 vc4->uploader = u_upload_create(pctx, 16 * 1024, 157 PIPE_BIND_INDEX_BUFFER, 158 PIPE_USAGE_STREAM); 159 160 vc4_debug |= saved_shaderdb_flag; 161 162 vc4->sample_mask = (1 << VC4_MAX_SAMPLES) - 1; 163 164 return &vc4->base; 165 166 fail: 167 pctx->destroy(pctx); 168 return NULL; 169 } 170
