static void flush(PixmapPtr dest, uint32_t *timestamp)
{
ring_post(ring);
fd_ringbuffer_flush(ring);
next_ring();
fd_pipe_wait(pipe, fd_ringbuffer_timestamp(ring));
ring_pre(ring);
}
/* there are two cases where we currently need to wait for render complete:
* 1) pctx->flush() .. since at the moment we have no way for DDX to sync
* the presentation blit with the 3d core
* 2) wrap-around for ringbuffer.. possibly we can do something more
* Intelligent here. Right now we need to ensure there is enough room
* at the end of the drawcmds in the cmdstream buffer for all the per-
* tile cmds. We do this the lamest way possible, by making the ringbuffer
* big, and flushing and resetting back to the beginning if we get too
* close to the end.
*/
static void
fd_context_wait(struct pipe_context *pctx)
{
struct fd_context *ctx = fd_context(pctx);
uint32_t ts = fd_ringbuffer_timestamp(ctx->ring);
DBG("wait: %u", ts);
fd_pipe_wait(ctx->screen->pipe, ts);
fd_ringbuffer_reset(ctx->ring);
fd_ringmarker_mark(ctx->draw_start);
}
static void fd_resource_transfer_flush_region(struct pipe_context *pctx,
struct pipe_transfer *ptrans,
const struct pipe_box *box)
{
struct fd_context *ctx = fd_context(pctx);
struct fd_resource *rsc = fd_resource(ptrans->resource);
if (rsc->dirty)
fd_context_render(pctx);
if (rsc->timestamp) {
fd_pipe_wait(ctx->screen->pipe, rsc->timestamp);
rsc->timestamp = 0;
}
}
static struct fd_ringbuffer *next_rb(struct fd_context *ctx)
{
struct fd_ringbuffer *ring;
uint32_t ts;
/* grab next ringbuffer: */
ring = ctx->rings[(ctx->rings_idx++) % ARRAY_SIZE(ctx->rings)];
/* wait for new rb to be idle: */
ts = fd_ringbuffer_timestamp(ring);
if (ts) {
DBG("wait: %u", ts);
fd_pipe_wait(ctx->screen->pipe, ts);
}
fd_ringbuffer_reset(ring);
return ring;
}
static int bo_alloc(struct kgsl_bo *kgsl_bo)
{
struct fd_bo *bo = &kgsl_bo->base;
if (!kgsl_bo->offset) {
struct drm_kgsl_gem_alloc req = {
.handle = bo->handle,
};
int ret;
/* if the buffer is already backed by pages then this
* doesn't actually do anything (other than giving us
* the offset)
*/
ret = drmCommandWriteRead(bo->dev->fd, DRM_KGSL_GEM_ALLOC,
&req, sizeof(req));
if (ret) {
ERROR_MSG("alloc failed: %s", strerror(errno));
return ret;
}
kgsl_bo->offset = req.offset;
}
return 0;
}
static int kgsl_bo_offset(struct fd_bo *bo, uint64_t *offset)
{
struct kgsl_bo *kgsl_bo = to_kgsl_bo(bo);
int ret = bo_alloc(kgsl_bo);
if (ret)
return ret;
*offset = kgsl_bo->offset;
return 0;
}
static int kgsl_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op)
{
uint32_t timestamp = kgsl_bo_get_timestamp(to_kgsl_bo(bo));
if (op & DRM_FREEDRENO_PREP_NOSYNC) {
uint32_t current;
int ret;
/* special case for is_idle().. we can't really handle that
* properly in kgsl (perhaps we need a way to just disable
* the bo-cache for kgsl?)
*/
if (!pipe)
return -EBUSY;
ret = kgsl_pipe_timestamp(to_kgsl_pipe(pipe), ¤t);
if (ret)
return ret;
if (timestamp > current)
return -EBUSY;
return 0;
}
if (timestamp)
fd_pipe_wait(pipe, timestamp);
return 0;
}
static void wait(uint32_t timestamp)
{
fd_pipe_wait(pipe, timestamp);
}