r600_buffer.c revision 65d451d9fa1192c386301ca0b84b6c5cd369f92d
1/* 2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> 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 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Jerome Glisse 25 * Corbin Simpson <MostAwesomeDude@gmail.com> 26 */ 27#include <byteswap.h> 28 29#include "pipe/p_screen.h" 30#include "util/u_format.h" 31#include "util/u_math.h" 32#include "util/u_inlines.h" 33#include "util/u_memory.h" 34#include "util/u_upload_mgr.h" 35 36#include "r600.h" 37#include "radeonsi_pipe.h" 38 39static void r600_buffer_destroy(struct pipe_screen *screen, 40 struct pipe_resource *buf) 41{ 42 struct r600_screen *rscreen = (struct r600_screen*)screen; 43 struct r600_resource *rbuffer = r600_resource(buf); 44 45 pb_reference(&rbuffer->buf, NULL); 46 util_slab_free(&rscreen->pool_buffers, rbuffer); 47} 48 49static struct pipe_transfer *r600_get_transfer(struct pipe_context *ctx, 50 struct pipe_resource *resource, 51 unsigned level, 52 unsigned usage, 53 const struct pipe_box *box) 54{ 55 struct r600_context *rctx = (struct r600_context*)ctx; 56 struct pipe_transfer *transfer = util_slab_alloc(&rctx->pool_transfers); 57 58 transfer->resource = resource; 59 transfer->level = level; 60 transfer->usage = usage; 61 transfer->box = *box; 62 transfer->stride = 0; 63 transfer->layer_stride = 0; 64 transfer->data = NULL; 65 66 /* Note strides are zero, this is ok for buffers, but not for 67 * textures 2d & higher at least. 68 */ 69 return transfer; 70} 71 72static void *r600_buffer_transfer_map(struct pipe_context *pipe, 73 struct pipe_transfer *transfer) 74{ 75 struct r600_resource *rbuffer = r600_resource(transfer->resource); 76 struct r600_context *rctx = (struct r600_context*)pipe; 77 uint8_t *data; 78 79 if (rbuffer->b.b.user_ptr) 80 return (uint8_t*)rbuffer->b.b.user_ptr + transfer->box.x; 81 82 data = rctx->ws->buffer_map(rbuffer->cs_buf, rctx->cs, transfer->usage); 83 if (!data) 84 return NULL; 85 86 return (uint8_t*)data + transfer->box.x; 87} 88 89static void r600_buffer_transfer_unmap(struct pipe_context *pipe, 90 struct pipe_transfer *transfer) 91{ 92 /* no-op */ 93} 94 95static void r600_buffer_transfer_flush_region(struct pipe_context *pipe, 96 struct pipe_transfer *transfer, 97 const struct pipe_box *box) 98{ 99} 100 101static void r600_transfer_destroy(struct pipe_context *ctx, 102 struct pipe_transfer *transfer) 103{ 104 struct r600_context *rctx = (struct r600_context*)ctx; 105 util_slab_free(&rctx->pool_transfers, transfer); 106} 107 108static const struct u_resource_vtbl r600_buffer_vtbl = 109{ 110 u_default_resource_get_handle, /* get_handle */ 111 r600_buffer_destroy, /* resource_destroy */ 112 r600_get_transfer, /* get_transfer */ 113 r600_transfer_destroy, /* transfer_destroy */ 114 r600_buffer_transfer_map, /* transfer_map */ 115 r600_buffer_transfer_flush_region, /* transfer_flush_region */ 116 r600_buffer_transfer_unmap, /* transfer_unmap */ 117 NULL /* transfer_inline_write */ 118}; 119 120bool r600_init_resource(struct r600_screen *rscreen, 121 struct r600_resource *res, 122 unsigned size, unsigned alignment, 123 unsigned bind, unsigned usage) 124{ 125 uint32_t initial_domain, domains; 126 127 /* Staging resources particpate in transfers and blits only 128 * and are used for uploads and downloads from regular 129 * resources. We generate them internally for some transfers. 130 */ 131 if (usage == PIPE_USAGE_STAGING) { 132 domains = RADEON_DOMAIN_GTT; 133 initial_domain = RADEON_DOMAIN_GTT; 134 } else { 135 domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM; 136 137 switch(usage) { 138 case PIPE_USAGE_DYNAMIC: 139 case PIPE_USAGE_STREAM: 140 case PIPE_USAGE_STAGING: 141 initial_domain = RADEON_DOMAIN_GTT; 142 break; 143 case PIPE_USAGE_DEFAULT: 144 case PIPE_USAGE_STATIC: 145 case PIPE_USAGE_IMMUTABLE: 146 default: 147 initial_domain = RADEON_DOMAIN_VRAM; 148 break; 149 } 150 } 151 152 res->buf = rscreen->ws->buffer_create(rscreen->ws, size, alignment, bind, initial_domain); 153 if (!res->buf) { 154 return false; 155 } 156 157 res->cs_buf = rscreen->ws->buffer_get_cs_handle(res->buf); 158 res->domains = domains; 159 return true; 160} 161 162struct pipe_resource *r600_buffer_create(struct pipe_screen *screen, 163 const struct pipe_resource *templ) 164{ 165 struct r600_screen *rscreen = (struct r600_screen*)screen; 166 struct r600_resource *rbuffer; 167 /* XXX We probably want a different alignment for buffers and textures. */ 168 unsigned alignment = 4096; 169 170 rbuffer = util_slab_alloc(&rscreen->pool_buffers); 171 172 rbuffer->b.b = *templ; 173 pipe_reference_init(&rbuffer->b.b.reference, 1); 174 rbuffer->b.b.screen = screen; 175 rbuffer->b.vtbl = &r600_buffer_vtbl; 176 rbuffer->b.b.user_ptr = NULL; 177 178 if (!r600_init_resource(rscreen, rbuffer, templ->width0, alignment, templ->bind, templ->usage)) { 179 util_slab_free(&rscreen->pool_buffers, rbuffer); 180 return NULL; 181 } 182 return &rbuffer->b.b; 183} 184 185struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen, 186 void *ptr, unsigned bytes, 187 unsigned bind) 188{ 189 struct r600_screen *rscreen = (struct r600_screen*)screen; 190 struct r600_resource *rbuffer; 191 192 rbuffer = util_slab_alloc(&rscreen->pool_buffers); 193 194 pipe_reference_init(&rbuffer->b.b.reference, 1); 195 rbuffer->b.vtbl = &r600_buffer_vtbl; 196 rbuffer->b.b.screen = screen; 197 rbuffer->b.b.target = PIPE_BUFFER; 198 rbuffer->b.b.format = PIPE_FORMAT_R8_UNORM; 199 rbuffer->b.b.usage = PIPE_USAGE_IMMUTABLE; 200 rbuffer->b.b.bind = bind; 201 rbuffer->b.b.width0 = bytes; 202 rbuffer->b.b.height0 = 1; 203 rbuffer->b.b.depth0 = 1; 204 rbuffer->b.b.array_size = 1; 205 rbuffer->b.b.flags = 0; 206 rbuffer->b.b.user_ptr = ptr; 207 rbuffer->buf = NULL; 208 return &rbuffer->b.b; 209} 210 211void r600_upload_index_buffer(struct r600_context *rctx, 212 struct pipe_index_buffer *ib, unsigned count) 213{ 214 u_upload_data(rctx->uploader, 0, count * ib->index_size, 215 ib->user_buffer, &ib->offset, &ib->buffer); 216} 217 218void r600_upload_const_buffer(struct r600_context *rctx, struct r600_resource **rbuffer, 219 const uint8_t *ptr, unsigned size, 220 uint32_t *const_offset) 221{ 222 *rbuffer = NULL; 223 224 if (R600_BIG_ENDIAN) { 225 uint32_t *tmpPtr; 226 unsigned i; 227 228 if (!(tmpPtr = malloc(size))) { 229 R600_ERR("Failed to allocate BE swap buffer.\n"); 230 return; 231 } 232 233 for (i = 0; i < size / 4; ++i) { 234 tmpPtr[i] = bswap_32(((uint32_t *)ptr)[i]); 235 } 236 237 u_upload_data(rctx->uploader, 0, size, tmpPtr, const_offset, 238 (struct pipe_resource**)rbuffer); 239 240 free(tmpPtr); 241 } else { 242 u_upload_data(rctx->uploader, 0, size, ptr, const_offset, 243 (struct pipe_resource**)rbuffer); 244 } 245} 246