/* Free command buffer for context, either immediately or queued for when the
* GPU is finished with it. */
static int gpu_context_free_buffer(struct etna_ctx *ctx, struct etna_context_info *ctx_info, bool queued)
{
int rv;
if(queued)
{
rv = etna_queue_free_contiguous(ctx->queue,
ctx_info->bytes,
ctx_info->physical,
ctx_info->logical);
} else {
rv = viv_free_contiguous(ctx->conn,
ctx_info->bytes,
ctx_info->physical,
ctx_info->logical);
}
if(rv != ETNA_OK)
{
#ifdef DEBUG
fprintf(stderr, "Error releasing contiguous host memory for context (%i)\n", rv);
#endif
return rv;
}
ctx_info->bytes = ctx_info->physical = 0;
ctx_info->logical = NULL;
return ETNA_OK;
}
int etna_bo_del(struct viv_conn *conn, struct etna_bo *mem, struct etna_queue *queue)
{
int rv = ETNA_OK;
if(mem == NULL) return ETNA_OK;
switch(mem->bo_type)
{
case ETNA_BO_TYPE_VIDMEM:
if(mem->logical != NULL)
{
if((rv = etna_bo_unlock(conn, mem, queue)) != ETNA_OK)
{
printf("etna: Warning: could not unlock memory\n");
}
}
if(queue)
{
if((rv = etna_queue_free_vidmem(queue, mem->node)) != ETNA_OK)
{
printf("etna: Warning: could not queue free video memory\n");
}
} else {
if((rv = viv_free_vidmem(conn, mem->node)) != ETNA_OK)
{
printf("etna: Warning: could not free video memory\n");
}
}
break;
case ETNA_BO_TYPE_VIDMEM_EXTERNAL:
if((rv = etna_bo_unlock(conn, mem, queue)) != ETNA_OK)
{
printf("etna: Warning: could not unlock memory\n");
}
break;
case ETNA_BO_TYPE_USERMEM:
if(queue)
{
rv = etna_queue_unmap_user_memory(queue, mem->logical, mem->size, mem->usermem_info, mem->address);
} else
{
rv = viv_unmap_user_memory(conn, mem->logical, mem->size, mem->usermem_info, mem->address);
}
break;
case ETNA_BO_TYPE_CONTIGUOUS:
if(queue)
{
rv = etna_queue_free_contiguous(queue, mem->size, mem->address, mem->logical);
} else {
rv = viv_free_contiguous(conn, mem->size, mem->address, mem->logical);
}
break;
case ETNA_BO_TYPE_PHYSICAL:
if(munmap(mem->logical, mem->size) < 0)
{
rv = ETNA_OUT_OF_MEMORY;
}
break;
}
ETNA_FREE(mem);
return rv;
}
int etna_free(struct etna_ctx *ctx)
{
if(ctx == NULL)
return ETNA_INVALID_ADDR;
/* Free kernel command queue */
etna_queue_free(ctx->queue);
#ifdef GCABI_HAVE_CONTEXT
/* Free context buffer */
gpu_context_free_buffer(ctx, &ctx->ctx_info, false);
#endif
/* Free command buffers */
for(int x=0; x<NUM_COMMAND_BUFFERS; ++x)
{
viv_free_contiguous(ctx->conn, ctx->cmdbufi[x].bytes, (viv_addr_t)ctx->cmdbufi[x].physical, VIV_TO_PTR(ctx->cmdbufi[x].logical));
ETNA_FREE(ctx->cmdbuf[x]);
}
ETNA_FREE(ctx);
return ETNA_OK;
}
