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/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FREEDRENO_BATCH_CACHE_H_
#define FREEDRENO_BATCH_CACHE_H_
#include "pipe/p_state.h"
struct fd_resource;
struct fd_batch;
struct fd_context;
struct hash_table;
struct fd_batch_cache {
struct hash_table *ht;
unsigned cnt;
/* set of active batches.. there is an upper limit on the number of
* in-flight batches, for two reasons:
* 1) to avoid big spikes in number of batches in edge cases, such as
* game startup (ie, lots of texture uploads, but no usages yet of
* the textures), etc.
* 2) so we can use a simple bitmask in fd_resource to track which
* batches have reference to the resource
*/
struct fd_batch *batches[32];
uint32_t batch_mask;
};
/* note: if batches get unref'd in the body of the loop, they are removed
* from the various masks.. but since we copy the mask at the beginning of
* the loop into _m, we need the &= at the end of the loop to make sure
* we don't have stale bits in _m
*/
#define foreach_batch(batch, cache, mask) \
for (uint32_t _m = (mask); _m && ((batch) = (cache)->batches[u_bit_scan(&_m)]); _m &= (mask))
void fd_bc_init(struct fd_batch_cache *cache);
void fd_bc_fini(struct fd_batch_cache *cache);
void fd_bc_flush(struct fd_batch_cache *cache, struct fd_context *ctx);
void fd_bc_flush_deferred(struct fd_batch_cache *cache, struct fd_context *ctx);
void fd_bc_invalidate_context(struct fd_context *ctx);
void fd_bc_invalidate_batch(struct fd_batch *batch, bool destroy);
void fd_bc_invalidate_resource(struct fd_resource *rsc, bool destroy);
struct fd_batch * fd_bc_alloc_batch(struct fd_batch_cache *cache, struct fd_context *ctx, bool nondraw);
struct fd_batch * fd_batch_from_fb(struct fd_batch_cache *cache,
struct fd_context *ctx, const struct pipe_framebuffer_state *pfb);
#endif /* FREEDRENO_BATCH_CACHE_H_ */
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