/*
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* Copyright © 2014 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "util/u_math.h"
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#include "util/ralloc.h"
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#include "vc4_context.h"
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void
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vc4_init_cl(struct vc4_job *job, struct vc4_cl *cl)
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{
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cl->base = rzalloc_size(job, 1); /* TODO: don't use rzalloc */
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cl->next = cl->base;
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cl->size = 0;
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cl->job = job;
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}
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void
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cl_ensure_space(struct vc4_cl *cl, uint32_t space)
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{
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uint32_t offset = cl_offset(cl);
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if (offset + space <= cl->size)
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return;
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uint32_t size = MAX2(cl->size + space, cl->size * 2);
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cl->base = reralloc(ralloc_parent(cl->base), cl->base, uint8_t, size);
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cl->size = size;
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cl->next = cl->base + offset;
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}
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void
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vc4_reset_cl(struct vc4_cl *cl)
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{
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assert(cl->reloc_count == 0);
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cl->next = cl->base;
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}
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uint32_t
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vc4_gem_hindex(struct vc4_job *job, struct vc4_bo *bo)
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{
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uint32_t hindex;
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uint32_t *current_handles = job->bo_handles.base;
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uint32_t cl_hindex_count = cl_offset(&job->bo_handles) / 4;
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uint32_t last_hindex = bo->last_hindex; /* volatile read! */
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if (last_hindex < cl_hindex_count &&
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current_handles[last_hindex] == bo->handle) {
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return last_hindex;
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}
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for (hindex = 0; hindex < cl_hindex_count; hindex++) {
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if (current_handles[hindex] == bo->handle) {
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bo->last_hindex = hindex;
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return hindex;
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}
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}
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struct vc4_cl_out *out;
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out = cl_start(&job->bo_handles);
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cl_u32(&out, bo->handle);
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cl_end(&job->bo_handles, out);
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out = cl_start(&job->bo_pointers);
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cl_ptr(&out, vc4_bo_reference(bo));
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cl_end(&job->bo_pointers, out);
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job->bo_space += bo->size;
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bo->last_hindex = hindex;
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return hindex;
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}
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