1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 Luca Barbieri 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * a copy of this software and associated documentation files (the 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sublicense, and/or sell copies of the Software, and to 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * portions of the Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_staging.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_context.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_memory.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgutil_staging_resource_template(struct pipe_resource *pt, unsigned width, unsigned height, unsigned depth, struct pipe_resource *template) 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(template, 0, sizeof(struct pipe_resource)); 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(pt->target != PIPE_BUFFER && depth <= 1) 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->target = PIPE_TEXTURE_RECT; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->target = pt->target; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->format = pt->format; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->width0 = width; 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->height0 = height; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->depth0 = depth; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->array_size = 1; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->last_level = 0; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->nr_samples = pt->nr_samples; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->bind = 0; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->usage = PIPE_USAGE_STAGING; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org template->flags = 0; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct util_staging_transfer * 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgutil_staging_transfer_init(struct pipe_context *pipe, 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *pt, 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned level, 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage, 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_box *box, 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean direct, struct util_staging_transfer *tx) 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_screen *pscreen = pipe->screen; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource staging_resource_template; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&tx->base.resource, pt); 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->base.level = level; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->base.usage = usage; 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->base.box = *box; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (direct) 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->staging_resource = pt; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return tx; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_staging_resource_template(pt, box->width, box->height, box->depth, &staging_resource_template); 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->staging_resource = pscreen->resource_create(pscreen, &staging_resource_template); 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!tx->staging_resource) 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&tx->base.resource, NULL); 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(tx); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (usage & PIPE_TRANSFER_READ) 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX this looks wrong dst is always the same but looping over src z? */ 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned zi; 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_box sbox; 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.x = box->x; 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.y = box->y; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.z = box->z; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.width = box->width; 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.height = box->height; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.depth = 1; 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(zi = 0; zi < box->depth; ++zi) { 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.z = sbox.z + zi; 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe->resource_copy_region(pipe, tx->staging_resource, 0, 0, 0, 0, 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->base.resource, level, &sbox); 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return tx; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgutil_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx) 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct util_staging_transfer *tx = (struct util_staging_transfer *)ptx; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (tx->staging_resource != tx->base.resource) 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(tx->base.usage & PIPE_TRANSFER_WRITE) { 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX this looks wrong src is always the same but looping over dst z? */ 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned zi; 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_box sbox; 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.x = 0; 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.y = 0; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.z = 0; 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.width = tx->base.box.width; 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.height = tx->base.box.height; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sbox.depth = 1; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(zi = 0; zi < tx->base.box.depth; ++zi) 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe->resource_copy_region(pipe, tx->base.resource, tx->base.level, tx->base.box.x, tx->base.box.y, tx->base.box.z + zi, 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tx->staging_resource, 0, &sbox); 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&tx->staging_resource, NULL); 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&ptx->resource, NULL); 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(ptx); 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 133