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/*
* Copyright © 2014 Broadcom
*
* 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 "util/u_math.h"
#include "util/ralloc.h"
#include "vc4_context.h"
void
vc4_init_cl(struct vc4_job *job, struct vc4_cl *cl)
{
cl->base = rzalloc_size(job, 1); /* TODO: don't use rzalloc */
cl->next = cl->base;
cl->size = 0;
cl->job = job;
}
void
cl_ensure_space(struct vc4_cl *cl, uint32_t space)
{
uint32_t offset = cl_offset(cl);
if (offset + space <= cl->size)
return;
uint32_t size = MAX2(cl->size + space, cl->size * 2);
cl->base = reralloc(ralloc_parent(cl->base), cl->base, uint8_t, size);
cl->size = size;
cl->next = cl->base + offset;
}
void
vc4_reset_cl(struct vc4_cl *cl)
{
assert(cl->reloc_count == 0);
cl->next = cl->base;
}
uint32_t
vc4_gem_hindex(struct vc4_job *job, struct vc4_bo *bo)
{
uint32_t hindex;
uint32_t *current_handles = job->bo_handles.base;
uint32_t cl_hindex_count = cl_offset(&job->bo_handles) / 4;
uint32_t last_hindex = bo->last_hindex; /* volatile read! */
if (last_hindex < cl_hindex_count &&
current_handles[last_hindex] == bo->handle) {
return last_hindex;
}
for (hindex = 0; hindex < cl_hindex_count; hindex++) {
if (current_handles[hindex] == bo->handle) {
bo->last_hindex = hindex;
return hindex;
}
}
struct vc4_cl_out *out;
out = cl_start(&job->bo_handles);
cl_u32(&out, bo->handle);
cl_end(&job->bo_handles, out);
out = cl_start(&job->bo_pointers);
cl_ptr(&out, vc4_bo_reference(bo));
cl_end(&job->bo_pointers, out);
job->bo_space += bo->size;
bo->last_hindex = hindex;
return hindex;
}
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