| /* |
| * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Jerome Glisse |
| * Corbin Simpson <MostAwesomeDude@gmail.com> |
| */ |
| #include <byteswap.h> |
| |
| #include "pipe/p_screen.h" |
| #include "util/u_format.h" |
| #include "util/u_math.h" |
| #include "util/u_inlines.h" |
| #include "util/u_memory.h" |
| #include "util/u_upload_mgr.h" |
| |
| #include "r600.h" |
| #include "radeonsi_pipe.h" |
| |
| static void r600_buffer_destroy(struct pipe_screen *screen, |
| struct pipe_resource *buf) |
| { |
| struct si_resource *rbuffer = si_resource(buf); |
| |
| pb_reference(&rbuffer->buf, NULL); |
| FREE(rbuffer); |
| } |
| |
| static void *r600_buffer_transfer_map(struct pipe_context *ctx, |
| struct pipe_resource *resource, |
| unsigned level, |
| unsigned usage, |
| const struct pipe_box *box, |
| struct pipe_transfer **ptransfer) |
| { |
| struct r600_context *rctx = (struct r600_context*)ctx; |
| struct pipe_transfer *transfer; |
| struct si_resource *rbuffer = si_resource(resource); |
| uint8_t *data; |
| |
| data = rctx->ws->buffer_map(rbuffer->cs_buf, rctx->cs, usage); |
| if (!data) { |
| return NULL; |
| } |
| |
| transfer = util_slab_alloc(&rctx->pool_transfers); |
| transfer->resource = resource; |
| transfer->level = level; |
| transfer->usage = usage; |
| transfer->box = *box; |
| transfer->stride = 0; |
| transfer->layer_stride = 0; |
| *ptransfer = transfer; |
| |
| return (uint8_t*)data + transfer->box.x; |
| } |
| |
| static void r600_buffer_transfer_unmap(struct pipe_context *ctx, |
| struct pipe_transfer *transfer) |
| { |
| struct r600_context *rctx = (struct r600_context*)ctx; |
| util_slab_free(&rctx->pool_transfers, transfer); |
| } |
| |
| static void r600_buffer_transfer_flush_region(struct pipe_context *pipe, |
| struct pipe_transfer *transfer, |
| const struct pipe_box *box) |
| { |
| } |
| |
| static const struct u_resource_vtbl r600_buffer_vtbl = |
| { |
| u_default_resource_get_handle, /* get_handle */ |
| r600_buffer_destroy, /* resource_destroy */ |
| r600_buffer_transfer_map, /* transfer_map */ |
| r600_buffer_transfer_flush_region, /* transfer_flush_region */ |
| r600_buffer_transfer_unmap, /* transfer_unmap */ |
| NULL /* transfer_inline_write */ |
| }; |
| |
| bool si_init_resource(struct r600_screen *rscreen, |
| struct si_resource *res, |
| unsigned size, unsigned alignment, |
| boolean use_reusable_pool, unsigned usage) |
| { |
| uint32_t initial_domain, domains; |
| |
| /* Staging resources particpate in transfers and blits only |
| * and are used for uploads and downloads from regular |
| * resources. We generate them internally for some transfers. |
| */ |
| if (usage == PIPE_USAGE_STAGING) { |
| domains = RADEON_DOMAIN_GTT; |
| initial_domain = RADEON_DOMAIN_GTT; |
| } else { |
| domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM; |
| |
| switch(usage) { |
| case PIPE_USAGE_DYNAMIC: |
| case PIPE_USAGE_STREAM: |
| case PIPE_USAGE_STAGING: |
| initial_domain = RADEON_DOMAIN_GTT; |
| break; |
| case PIPE_USAGE_DEFAULT: |
| case PIPE_USAGE_STATIC: |
| case PIPE_USAGE_IMMUTABLE: |
| default: |
| initial_domain = RADEON_DOMAIN_VRAM; |
| break; |
| } |
| } |
| |
| res->buf = rscreen->ws->buffer_create(rscreen->ws, size, alignment, |
| use_reusable_pool, |
| initial_domain); |
| if (!res->buf) { |
| return false; |
| } |
| |
| res->cs_buf = rscreen->ws->buffer_get_cs_handle(res->buf); |
| res->domains = domains; |
| return true; |
| } |
| |
| struct pipe_resource *si_buffer_create(struct pipe_screen *screen, |
| const struct pipe_resource *templ) |
| { |
| struct r600_screen *rscreen = (struct r600_screen*)screen; |
| struct si_resource *rbuffer; |
| /* XXX We probably want a different alignment for buffers and textures. */ |
| unsigned alignment = 4096; |
| |
| rbuffer = MALLOC_STRUCT(si_resource); |
| |
| rbuffer->b.b = *templ; |
| pipe_reference_init(&rbuffer->b.b.reference, 1); |
| rbuffer->b.b.screen = screen; |
| rbuffer->b.vtbl = &r600_buffer_vtbl; |
| |
| if (!si_init_resource(rscreen, rbuffer, templ->width0, alignment, TRUE, templ->usage)) { |
| FREE(rbuffer); |
| return NULL; |
| } |
| return &rbuffer->b.b; |
| } |
| |
| void r600_upload_index_buffer(struct r600_context *rctx, |
| struct pipe_index_buffer *ib, unsigned count) |
| { |
| u_upload_data(rctx->uploader, 0, count * ib->index_size, |
| ib->user_buffer, &ib->offset, &ib->buffer); |
| } |
| |
| void r600_upload_const_buffer(struct r600_context *rctx, struct si_resource **rbuffer, |
| const uint8_t *ptr, unsigned size, |
| uint32_t *const_offset) |
| { |
| *rbuffer = NULL; |
| |
| if (R600_BIG_ENDIAN) { |
| uint32_t *tmpPtr; |
| unsigned i; |
| |
| if (!(tmpPtr = malloc(size))) { |
| R600_ERR("Failed to allocate BE swap buffer.\n"); |
| return; |
| } |
| |
| for (i = 0; i < size / 4; ++i) { |
| tmpPtr[i] = bswap_32(((uint32_t *)ptr)[i]); |
| } |
| |
| u_upload_data(rctx->uploader, 0, size, tmpPtr, const_offset, |
| (struct pipe_resource**)rbuffer); |
| |
| free(tmpPtr); |
| } else { |
| u_upload_data(rctx->uploader, 0, size, ptr, const_offset, |
| (struct pipe_resource**)rbuffer); |
| } |
| } |