int etna_queue_free_vidmem(struct etna_queue *queue, viv_node_t node)
{
struct _gcsHAL_INTERFACE *cmd = NULL;
int rv;
if((rv=etna_queue_alloc(queue, &cmd)) != ETNA_OK)
return rv;
cmd->command = gcvHAL_FREE_VIDEO_MEMORY;
cmd->u.FreeVideoMemory.node = HANDLE_TO_VIV(node);
return ETNA_OK;
}
int etna_queue_unlock_vidmem(struct etna_queue *queue, viv_node_t node, enum viv_surf_type type)
{
struct _gcsHAL_INTERFACE *cmd = NULL;
int rv;
if((rv=etna_queue_alloc(queue, &cmd)) != ETNA_OK)
return rv;
cmd->command = gcvHAL_UNLOCK_VIDEO_MEMORY;
cmd->u.UnlockVideoMemory.node = HANDLE_TO_VIV(node);
cmd->u.UnlockVideoMemory.type = convert_surf_type(type);
return ETNA_OK;
}
int etna_queue_signal(struct etna_queue *queue, int sig_id, enum viv_where fromWhere)
{
struct _gcsHAL_INTERFACE *cmd = NULL;
int rv;
if((rv=etna_queue_alloc(queue, &cmd)) != ETNA_OK)
return rv;
cmd->command = gcvHAL_SIGNAL;
cmd->u.Signal.signal = PTR_TO_VIV((void*)sig_id);
cmd->u.Signal.auxSignal = PTR_TO_VIV((void*)0x0);
cmd->u.Signal.process = HANDLE_TO_VIV(queue->ctx->conn->process);
cmd->u.Signal.fromWhere = convert_where(fromWhere);
return ETNA_OK;
}
int etna_queue_unmap_user_memory(struct etna_queue *queue, void *memory, size_t size, viv_usermem_t info, viv_addr_t address)
{
struct _gcsHAL_INTERFACE *cmd = NULL;
int rv;
if((rv=etna_queue_alloc(queue, &cmd)) != ETNA_OK)
return rv;
cmd->command = gcvHAL_UNMAP_USER_MEMORY;
cmd->u.UnmapUserMemory.memory = PTR_TO_VIV(memory);
cmd->u.UnmapUserMemory.size = size;
cmd->u.UnmapUserMemory.info = HANDLE_TO_VIV(info);
cmd->u.UnmapUserMemory.address = address;
return ETNA_OK;
}
static int gpu_context_free(struct etna_ctx *ctx)
{
/* attach to GPU */
int err;
gcsHAL_INTERFACE id = {};
id.command = gcvHAL_DETACH;
id.u.Detach.context = HANDLE_TO_VIV(ctx->ctx);
if((err=viv_invoke(ctx->conn, &id)) != gcvSTATUS_OK)
{
#ifdef DEBUG
fprintf(stderr, "Error detaching from the GPU\n");
#endif
return ETNA_INTERNAL_ERROR;
}
return ETNA_OK;
}
/* Clear GPU context, to rebuild it for next flush */
static int gpu_context_clear(struct etna_ctx *ctx)
{
/* If context was used, queue free it and allocate new buffer to prevent
* overwriting it while being used by the GPU. Otherwise we can just
* re-use it.
*/
int rv;
#ifdef DEBUG
fprintf(stderr, "gpu_context_clear (context %i)\n", (int)GCCTX(ctx)->id);
#endif
if(GCCTX(ctx)->inUse != NULL &&
*GCCTX(ctx)->inUse)
{
#ifdef DEBUG
fprintf(stderr, "gpu_context_clear: context was in use, deferred freeing and reallocating it\n");
#endif
if((rv = etna_bo_del(ctx->conn, ctx->ctx_bo, ctx->queue)) != ETNA_OK)
{
return rv;
}
if((ctx->ctx_bo = etna_bo_new(ctx->conn, COMMAND_BUFFER_SIZE, DRM_ETNA_GEM_TYPE_CMD)) == NULL)
{
return ETNA_OUT_OF_MEMORY;
}
}
/* Leave space at beginning of buffer for PIPE switch */
GCCTX(ctx)->bufferSize = BEGIN_COMMIT_CLEARANCE;
GCCTX(ctx)->logical = etna_bo_map(ctx->ctx_bo);
#ifdef GCABI_CONTEXT_HAS_PHYSICAL
GCCTX(ctx)->bytes = etna_bo_size(ctx->ctx_bo); /* actual size of buffer */
GCCTX(ctx)->physical = HANDLE_TO_VIV(etna_bo_gpu_address(ctx->ctx_bo));
#endif
/* When context is empty, initial pipe should default to entry pipe so that
* no pipe switch is needed within the context and the kernel does the
* right thing.
*/
GCCTX(ctx)->initialPipe = GCCTX(ctx)->entryPipe;
return ETNA_OK;
}
/* Clear GPU context, to rebuild it for next flush */
static int gpu_context_clear(struct etna_ctx *ctx)
{
/* If context was used, queue free it and allocate new buffer to prevent
* overwriting it while being used by the GPU. Otherwise we can just
* re-use it.
*/
int rv;
#ifdef DEBUG
printf("gpu_context_clear (context %i)\n", (int)GCCTX(ctx)->id);
#endif
if(GCCTX(ctx)->inUse != NULL &&
*GCCTX(ctx)->inUse)
{
#ifdef DEBUG
printf("gpu_context_clear: context was in use, deferred freeing and reallocating it\n");
#endif
if((rv = gpu_context_free_buffer(ctx, &ctx->ctx_info, true)) != ETNA_OK)
{
return rv;
}
if((rv = gpu_context_allocate_buffer(ctx, &ctx->ctx_info)) != ETNA_OK)
{
return rv;
}
}
/* Leave space at beginning of buffer for PIPE switch */
GCCTX(ctx)->bufferSize = BEGIN_COMMIT_CLEARANCE;
GCCTX(ctx)->logical = ctx->ctx_info.logical;
#ifdef GCABI_CONTEXT_HAS_PHYSICAL
GCCTX(ctx)->bytes = ctx->ctx_info.bytes; /* actual size of buffer */
GCCTX(ctx)->physical = HANDLE_TO_VIV(ctx->ctx_info.physical);
#endif
/* When context is empty, initial pipe should default to entry pipe so that
* no pipe switch is needed within the context and the kernel does the
* right thing.
*/
GCCTX(ctx)->initialPipe = GCCTX(ctx)->entryPipe;
return ETNA_OK;
}