| /* |
| * 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 "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_pipe_context *rctx = (struct r600_pipe_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_pipe_context *rctx = (struct r600_pipe_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->ctx.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_pipe_context *rctx = (struct r600_pipe_context*)pipe; |
| |
| if (rbuffer->b.user_ptr) |
| return; |
| |
| rctx->ws->buffer_unmap(rbuffer->buf); |
| } |
| |
| static void r600_buffer_transfer_flush_region(struct pipe_context *pipe, |
| struct pipe_transfer *transfer, |
| const struct pipe_box *box) |
| { |
| } |
| |
| static void r600_transfer_destroy(struct pipe_context *ctx, |
| struct pipe_transfer *transfer) |
| { |
| struct r600_pipe_context *rctx = (struct r600_pipe_context*)ctx; |
| util_slab_free(&rctx->pool_transfers, transfer); |
| } |
| |
| static void r600_buffer_transfer_inline_write(struct pipe_context *pipe, |
| struct pipe_resource *resource, |
| unsigned level, |
| unsigned usage, |
| const struct pipe_box *box, |
| const void *data, |
| unsigned stride, |
| unsigned layer_stride) |
| { |
| struct r600_pipe_context *rctx = (struct r600_pipe_context*)pipe; |
| struct r600_resource *rbuffer = r600_resource(resource); |
| uint8_t *map = NULL; |
| |
| assert(rbuffer->b.user_ptr == NULL); |
| |
| map = rctx->ws->buffer_map(rbuffer->buf, rctx->ctx.cs, |
| PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD | usage); |
| |
| memcpy(map + box->x, data, box->width); |
| |
| rctx->ws->buffer_unmap(rbuffer->buf); |
| } |
| |
| 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 */ |
| r600_buffer_transfer_flush_region, /* transfer_flush_region */ |
| r600_buffer_transfer_unmap, /* transfer_unmap */ |
| r600_buffer_transfer_inline_write /* transfer_inline_write */ |
| }; |
| |
| bool r600_init_resource(struct r600_screen *rscreen, |
| struct r600_resource *res, |
| unsigned size, unsigned alignment, |
| unsigned bind, unsigned usage) |
| { |
| res->buf = rscreen->ws->buffer_create(rscreen->ws, size, alignment, bind, usage); |
| if (!res->buf) { |
| return false; |
| } |
| |
| res->cs_buf = rscreen->ws->buffer_get_cs_handle(res->buf); |
| 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)) { |
| FREE(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_pipe_context *rctx, struct r600_drawl *draw) |
| { |
| struct r600_resource *rbuffer = r600_resource(draw->index_buffer); |
| boolean flushed; |
| |
| u_upload_data(rctx->vbuf_mgr->uploader, 0, |
| draw->info.count * draw->index_size, |
| rbuffer->b.user_ptr, |
| &draw->index_buffer_offset, |
| &draw->index_buffer, &flushed); |
| } |
| |
| void r600_upload_const_buffer(struct r600_pipe_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; |
| boolean flushed; |
| |
| *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, &flushed); |
| |
| free(tmpPtr); |
| } else { |
| u_upload_data(rctx->vbuf_mgr->uploader, 0, size, ptr, const_offset, |
| (struct pipe_resource**)rbuffer, &flushed); |
| } |
| } else { |
| *const_offset = 0; |
| } |
| } |