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/*
* 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 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;
data = rctx->ws->buffer_map(rbuffer->cs_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)
{
/* no-op */
}
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_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 */
r600_buffer_transfer_flush_region, /* 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 = *templ;
pipe_reference_init(&rbuffer->b.b.reference, 1);
rbuffer->b.b.screen = screen;
rbuffer->b.vtbl = &r600_buffer_vtbl;
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;
}
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 r600_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);
}
}
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