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/*
* Copyright (C) 2021 Collabora Ltd.
*
* 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "panvk_private.h"
#include "panvk_varyings.h"
#include "pan_pool.h"
unsigned
panvk_varyings_buf_count(const struct panvk_device *dev,
struct panvk_varyings_info *varyings)
{
const struct panfrost_device *pdev = &dev->physical_device->pdev;
return util_bitcount(varyings->buf_mask) + (pan_is_bifrost(pdev) ? 1 : 0);
}
void
panvk_varyings_alloc(struct panvk_varyings_info *varyings,
struct pan_pool *varying_mem_pool,
unsigned vertex_count)
{
for (unsigned i = 0; i < PANVK_VARY_BUF_MAX; i++) {
if (!(varyings->buf_mask & (1 << i))) continue;
unsigned buf_idx = panvk_varying_buf_index(varyings, i);
unsigned size = varyings->buf[buf_idx].stride * vertex_count;
if (!size)
continue;
struct panfrost_ptr ptr =
panfrost_pool_alloc_aligned(varying_mem_pool, size, 64);
varyings->buf[buf_idx].size = size;
varyings->buf[buf_idx].address = ptr.gpu;
varyings->buf[buf_idx].cpu = ptr.cpu;
}
}
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