diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_buffer.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_buffer.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/gallium/drivers/r600/r600_buffer.c b/src/gallium/drivers/r600/r600_buffer.c deleted file mode 100644 index 969803fe951..00000000000 --- a/src/gallium/drivers/r600/r600_buffer.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Copyright 2010 Jerome Glisse <[email protected]> - * - * 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 <[email protected]> - */ -#include "r600_pipe.h" -#include "util/u_upload_mgr.h" -#include "util/u_memory.h" -#include "util/u_surface.h" - -static void r600_buffer_destroy(struct pipe_screen *screen, - struct pipe_resource *buf) -{ - struct r600_resource *rbuffer = r600_resource(buf); - - util_range_destroy(&rbuffer->valid_buffer_range); - pb_reference(&rbuffer->buf, NULL); - FREE(rbuffer); -} - -static void *r600_buffer_get_transfer(struct pipe_context *ctx, - struct pipe_resource *resource, - unsigned level, - unsigned usage, - const struct pipe_box *box, - struct pipe_transfer **ptransfer, - void *data, struct r600_resource *staging, - unsigned offset) -{ - struct r600_context *rctx = (struct r600_context*)ctx; - struct r600_transfer *transfer = util_slab_alloc(&rctx->pool_transfers); - - transfer->transfer.resource = resource; - transfer->transfer.level = level; - transfer->transfer.usage = usage; - transfer->transfer.box = *box; - transfer->transfer.stride = 0; - transfer->transfer.layer_stride = 0; - transfer->offset = offset; - transfer->staging = staging; - *ptransfer = &transfer->transfer; - return data; -} - -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 r600_resource *rbuffer = r600_resource(resource); - uint8_t *data; - - assert(box->x + box->width <= resource->width0); - - /* See if the buffer range being mapped has never been initialized, - * in which case it can be mapped unsynchronized. */ - if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) && - usage & PIPE_TRANSFER_WRITE && - !util_ranges_intersect(&rbuffer->valid_buffer_range, box->x, box->x + box->width)) { - usage |= PIPE_TRANSFER_UNSYNCHRONIZED; - } - - if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE && - !(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { - assert(usage & PIPE_TRANSFER_WRITE); - - /* Check if mapping this buffer would cause waiting for the GPU. */ - if (r600_rings_is_buffer_referenced(&rctx->b, rbuffer->cs_buf, RADEON_USAGE_READWRITE) || - rctx->b.ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) { - rctx->b.invalidate_buffer(&rctx->b.b, &rbuffer->b.b); - } - } - else if ((usage & PIPE_TRANSFER_DISCARD_RANGE) && - !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) && - !(rctx->screen->b.debug_flags & DBG_NO_DISCARD_RANGE) && - (rctx->screen->b.has_cp_dma || - (rctx->screen->b.has_streamout && - /* The buffer range must be aligned to 4 with streamout. */ - box->x % 4 == 0 && box->width % 4 == 0))) { - assert(usage & PIPE_TRANSFER_WRITE); - - /* Check if mapping this buffer would cause waiting for the GPU. */ - if (r600_rings_is_buffer_referenced(&rctx->b, rbuffer->cs_buf, RADEON_USAGE_READWRITE) || - rctx->b.ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) { - /* Do a wait-free write-only transfer using a temporary buffer. */ - unsigned offset; - struct r600_resource *staging = NULL; - - u_upload_alloc(rctx->uploader, 0, box->width + (box->x % R600_MAP_BUFFER_ALIGNMENT), - &offset, (struct pipe_resource**)&staging, (void**)&data); - - if (staging) { - data += box->x % R600_MAP_BUFFER_ALIGNMENT; - return r600_buffer_get_transfer(ctx, resource, level, usage, box, - ptransfer, data, staging, offset); - } - } - } - - /* mmap and synchronize with rings */ - data = r600_buffer_map_sync_with_rings(&rctx->b, rbuffer, usage); - if (!data) { - return NULL; - } - data += box->x; - - return r600_buffer_get_transfer(ctx, resource, level, usage, box, - ptransfer, data, NULL, 0); -} - -static void r600_buffer_transfer_unmap(struct pipe_context *pipe, - struct pipe_transfer *transfer) -{ - struct r600_context *rctx = (struct r600_context*)pipe; - struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; - struct r600_resource *rbuffer = r600_resource(transfer->resource); - - if (rtransfer->staging) { - struct pipe_resource *dst, *src; - unsigned soffset, doffset, size; - struct pipe_box box; - - dst = transfer->resource; - src = &rtransfer->staging->b.b; - size = transfer->box.width; - doffset = transfer->box.x; - soffset = rtransfer->offset + transfer->box.x % R600_MAP_BUFFER_ALIGNMENT; - - u_box_1d(soffset, size, &box); - - /* Copy the staging buffer into the original one. */ - if (!(size % 4) && !(doffset % 4) && !(soffset % 4) && - rctx->b.dma_copy(pipe, dst, 0, doffset, 0, 0, src, 0, &box)) { - /* DONE. */ - } else { - pipe->resource_copy_region(pipe, dst, 0, doffset, 0, 0, src, 0, &box); - } - pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL); - } - - if (transfer->usage & PIPE_TRANSFER_WRITE) { - util_range_add(&rbuffer->valid_buffer_range, transfer->box.x, - transfer->box.x + transfer->box.width); - } - 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_buffer_transfer_map, /* transfer_map */ - NULL, /* transfer_flush_region */ - r600_buffer_transfer_unmap, /* transfer_unmap */ - NULL /* transfer_inline_write */ -}; - -struct pipe_resource *r600_buffer_create(struct pipe_screen *screen, - const struct pipe_resource *templ, - unsigned alignment) -{ - struct r600_screen *rscreen = (struct r600_screen*)screen; - struct r600_resource *rbuffer; - - rbuffer = MALLOC_STRUCT(r600_resource); - - rbuffer->b.b = *templ; - pipe_reference_init(&rbuffer->b.b.reference, 1); - rbuffer->b.b.screen = screen; - rbuffer->b.vtbl = &r600_buffer_vtbl; - util_range_init(&rbuffer->valid_buffer_range); - - if (!r600_init_resource(&rscreen->b, rbuffer, templ->width0, alignment, TRUE, templ->usage)) { - FREE(rbuffer); - return NULL; - } - return &rbuffer->b.b; -} |