/* * Copyright 2010 Jerome Glisse * * 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 */ #include #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 "r600_pipe.h" static void r600_buffer_destroy(struct pipe_screen *screen, struct pipe_resource *buf) { struct r600_screen *rscreen = (struct r600_screen*)screen; struct r600_resource *rbuffer = r600_resource(buf); pb_reference(&rbuffer->buf, NULL); util_slab_free(&rscreen->pool_buffers, rbuffer); } static struct pipe_transfer *r600_get_transfer(struct pipe_context *ctx, struct pipe_resource *resource, unsigned level, unsigned usage, const struct pipe_box *box) { struct r600_context *rctx = (struct r600_context*)ctx; struct pipe_transfer *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; transfer->data = NULL; /* Note strides are zero, this is ok for buffers, but not for * textures 2d & higher at least. */ return transfer; } static void *r600_buffer_transfer_map(struct pipe_context *pipe, struct pipe_transfer *transfer) { struct r600_resource *rbuffer = r600_resource(transfer->resource); struct r600_context *rctx = (struct r600_context*)pipe; uint8_t *data; if (rbuffer->b.user_ptr) return (uint8_t*)rbuffer->b.user_ptr + transfer->box.x; data = rctx->ws->buffer_map(rbuffer->buf, rctx->cs, transfer->usage); if (!data) return NULL; return (uint8_t*)data + transfer->box.x; } static void r600_buffer_transfer_unmap(struct pipe_context *pipe, struct pipe_transfer *transfer) { struct r600_resource *rbuffer = r600_resource(transfer->resource); struct r600_context *rctx = (struct r600_context*)pipe; if (rbuffer->b.user_ptr) return; rctx->ws->buffer_unmap(rbuffer->buf); } static void r600_transfer_destroy(struct pipe_context *ctx, struct pipe_transfer *transfer) { struct r600_context *rctx = (struct r600_context*)ctx; util_slab_free(&rctx->pool_transfers, transfer); } static const struct u_resource_vtbl r600_buffer_vtbl = { u_default_resource_get_handle, /* get_handle */ r600_buffer_destroy, /* resource_destroy */ r600_get_transfer, /* get_transfer */ r600_transfer_destroy, /* transfer_destroy */ r600_buffer_transfer_map, /* transfer_map */ NULL, /* transfer_flush_region */ r600_buffer_transfer_unmap, /* transfer_unmap */ NULL /* transfer_inline_write */ }; bool r600_init_resource(struct r600_screen *rscreen, struct r600_resource *res, unsigned size, unsigned alignment, unsigned bind, 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, bind, 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 *r600_buffer_create(struct pipe_screen *screen, const struct pipe_resource *templ) { struct r600_screen *rscreen = (struct r600_screen*)screen; struct r600_resource *rbuffer; /* XXX We probably want a different alignment for buffers and textures. */ unsigned alignment = 4096; rbuffer = util_slab_alloc(&rscreen->pool_buffers); rbuffer->b.b.b = *templ; pipe_reference_init(&rbuffer->b.b.b.reference, 1); rbuffer->b.b.b.screen = screen; rbuffer->b.b.vtbl = &r600_buffer_vtbl; rbuffer->b.user_ptr = NULL; if (!r600_init_resource(rscreen, rbuffer, templ->width0, alignment, templ->bind, templ->usage)) { util_slab_free(&rscreen->pool_buffers, rbuffer); return NULL; } return &rbuffer->b.b.b; } struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen, void *ptr, unsigned bytes, unsigned bind) { struct r600_screen *rscreen = (struct r600_screen*)screen; struct r600_resource *rbuffer; rbuffer = util_slab_alloc(&rscreen->pool_buffers); pipe_reference_init(&rbuffer->b.b.b.reference, 1); rbuffer->b.b.vtbl = &r600_buffer_vtbl; rbuffer->b.b.b.screen = screen; rbuffer->b.b.b.target = PIPE_BUFFER; rbuffer->b.b.b.format = PIPE_FORMAT_R8_UNORM; rbuffer->b.b.b.usage = PIPE_USAGE_IMMUTABLE; rbuffer->b.b.b.bind = bind; rbuffer->b.b.b.width0 = bytes; rbuffer->b.b.b.height0 = 1; rbuffer->b.b.b.depth0 = 1; rbuffer->b.b.b.array_size = 1; rbuffer->b.b.b.flags = 0; rbuffer->b.user_ptr = ptr; rbuffer->buf = NULL; return &rbuffer->b.b.b; } void r600_upload_index_buffer(struct r600_context *rctx, struct pipe_index_buffer *ib, unsigned count) { struct r600_resource *rbuffer = r600_resource(ib->buffer); u_upload_data(rctx->vbuf_mgr->uploader, 0, count * ib->index_size, rbuffer->b.user_ptr, &ib->offset, &ib->buffer); } void r600_upload_const_buffer(struct r600_context *rctx, struct r600_resource **rbuffer, uint32_t *const_offset) { if ((*rbuffer)->b.user_ptr) { uint8_t *ptr = (*rbuffer)->b.user_ptr; unsigned size = (*rbuffer)->b.b.b.width0; *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->vbuf_mgr->uploader, 0, size, tmpPtr, const_offset, (struct pipe_resource**)rbuffer); free(tmpPtr); } else { u_upload_data(rctx->vbuf_mgr->uploader, 0, size, ptr, const_offset, (struct pipe_resource**)rbuffer); } } else { *const_offset = 0; } }