103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
/*
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* Copyright 2014, 2015 Red Hat.
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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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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "virgl_context.h"
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#include "virgl_encode.h"
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#include "virtio-gpu/virgl_protocol.h"
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#include "virgl_resource.h"
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static struct pipe_stream_output_target *virgl_create_so_target(
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struct pipe_context *ctx,
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struct pipe_resource *buffer,
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unsigned buffer_offset,
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unsigned buffer_size)
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{
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struct virgl_context *vctx = virgl_context(ctx);
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struct virgl_resource *res = virgl_resource(buffer);
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struct virgl_so_target *t = CALLOC_STRUCT(virgl_so_target);
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uint32_t handle;
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if (!t)
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return NULL;
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handle = virgl_object_assign_handle();
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t->base.reference.count = 1;
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t->base.context = ctx;
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pipe_resource_reference(&t->base.buffer, buffer);
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t->base.buffer_offset = buffer_offset;
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t->base.buffer_size = buffer_size;
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t->handle = handle;
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res->bind_history |= PIPE_BIND_STREAM_OUTPUT;
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util_range_add(&res->b, &res->valid_buffer_range, buffer_offset,
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buffer_offset + buffer_size);
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virgl_resource_dirty(res, 0);
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virgl_encoder_create_so_target(vctx, handle, res, buffer_offset, buffer_size);
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return &t->base;
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}
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static void virgl_destroy_so_target(struct pipe_context *ctx,
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struct pipe_stream_output_target *target)
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{
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struct virgl_context *vctx = virgl_context(ctx);
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struct virgl_so_target *t = virgl_so_target(target);
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pipe_resource_reference(&t->base.buffer, NULL);
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virgl_encode_delete_object(vctx, t->handle, VIRGL_OBJECT_STREAMOUT_TARGET);
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FREE(t);
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}
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static void virgl_set_so_targets(struct pipe_context *ctx,
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unsigned num_targets,
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struct pipe_stream_output_target **targets,
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const unsigned *offset)
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{
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struct virgl_context *vctx = virgl_context(ctx);
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int i;
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for (i = 0; i < num_targets; i++) {
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if (targets[i]) {
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struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
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struct virgl_resource *res = virgl_resource(targets[i]->buffer);
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pipe_resource_reference(&vctx->so_targets[i].base.buffer, targets[i]->buffer);
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vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
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} else {
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pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);
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}
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}
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for (i = num_targets; i < vctx->num_so_targets; i++)
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pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);
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vctx->num_so_targets = num_targets;
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virgl_encoder_set_so_targets(vctx, num_targets, targets, 0);//append_bitmask);
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}
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void virgl_init_so_functions(struct virgl_context *vctx)
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{
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vctx->base.create_stream_output_target = virgl_create_so_target;
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vctx->base.stream_output_target_destroy = virgl_destroy_so_target;
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vctx->base.set_stream_output_targets = virgl_set_so_targets;
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}
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