/* * Copyright (C) 2016 Rob Clark * * 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 */ #ifndef FREEDRENO_BATCH_H_ #define FREEDRENO_BATCH_H_ #include "util/u_inlines.h" #include "util/u_queue.h" #include "util/list.h" #include "freedreno_util.h" struct fd_context; struct fd_resource; enum fd_resource_status; /* Bitmask of stages in rendering that a particular query query is * active. Queries will be automatically started/stopped (generating * additional fd_hw_sample_period's) on entrance/exit from stages that * are applicable to the query. * * NOTE: set the stage to NULL at end of IB to ensure no query is still * active. Things aren't going to work out the way you want if a query * is active across IB's (or between tile IB and draw IB) */ enum fd_render_stage { FD_STAGE_NULL = 0x01, FD_STAGE_DRAW = 0x02, FD_STAGE_CLEAR = 0x04, /* used for driver internal draws (ie. util_blitter_blit()): */ FD_STAGE_BLIT = 0x08, FD_STAGE_ALL = 0xff, }; #define MAX_HW_SAMPLE_PROVIDERS 5 struct fd_hw_sample_provider; struct fd_hw_sample; /* A batch tracks everything about a cmdstream batch/submit, including the * ringbuffers used for binning, draw, and gmem cmds, list of associated * fd_resource-s, etc. */ struct fd_batch { struct pipe_reference reference; unsigned seqno; unsigned idx; /* index into cache->batches[] */ int in_fence_fd; bool needs_out_fence_fd; struct pipe_fence_handle *fence; struct fd_context *ctx; struct util_queue_fence flush_fence; /* do we need to mem2gmem before rendering. We don't, if for example, * there was a glClear() that invalidated the entire previous buffer * contents. Keep track of which buffer(s) are cleared, or needs * restore. Masks of PIPE_CLEAR_* * * The 'cleared' bits will be set for buffers which are *entirely* * cleared, and 'partial_cleared' bits will be set if you must * check cleared_scissor. */ enum { /* align bitmask values w/ PIPE_CLEAR_*.. since that is convenient.. */ FD_BUFFER_COLOR = PIPE_CLEAR_COLOR, FD_BUFFER_DEPTH = PIPE_CLEAR_DEPTH, FD_BUFFER_STENCIL = PIPE_CLEAR_STENCIL, FD_BUFFER_ALL = FD_BUFFER_COLOR | FD_BUFFER_DEPTH | FD_BUFFER_STENCIL, } cleared, partial_cleared, restore, resolve; /* is this a non-draw batch (ie compute/blit which has no pfb state)? */ bool nondraw : 1; bool needs_flush : 1; bool flushed : 1; bool blit : 1; bool back_blit : 1; /* only blit so far is resource shadowing back-blit */ /* Keep track if WAIT_FOR_IDLE is needed for registers we need * to update via RMW: */ bool needs_wfi : 1; /* To decide whether to render to system memory, keep track of the * number of draws, and whether any of them require multisample, * depth_test (or depth write), stencil_test, blending, and * color_logic_Op (since those functions are disabled when by- * passing GMEM. */ enum { FD_GMEM_CLEARS_DEPTH_STENCIL = 0x01, FD_GMEM_DEPTH_ENABLED = 0x02, FD_GMEM_STENCIL_ENABLED = 0x04, FD_GMEM_BLEND_ENABLED = 0x10, FD_GMEM_LOGICOP_ENABLED = 0x20, } gmem_reason; unsigned num_draws; /* number of draws in current batch */ /* Track the maximal bounds of the scissor of all the draws within a * batch. Used at the tile rendering step (fd_gmem_render_tiles(), * mem2gmem/gmem2mem) to avoid needlessly moving data in/out of gmem. */ struct pipe_scissor_state max_scissor; /* Track the cleared scissor for color/depth/stencil, so we know * which, if any, tiles need to be restored (mem2gmem). Only valid * if the corresponding bit in ctx->cleared is set. */ struct { struct pipe_scissor_state color, depth, stencil; } cleared_scissor; /* Keep track of DRAW initiators that need to be patched up depending * on whether we using binning or not: */ struct util_dynarray draw_patches; /* Keep track of blitter GMEM offsets that need to be patched up once we * know the gmem layout: */ struct util_dynarray gmem_patches; /* Keep track of writes to RB_RENDER_CONTROL which need to be patched * once we know whether or not to use GMEM, and GMEM tile pitch. * * (only for a3xx.. but having gen specific subclasses of fd_batch * seemed overkill for now) */ struct util_dynarray rbrc_patches; struct pipe_framebuffer_state framebuffer; /** draw pass cmdstream: */ struct fd_ringbuffer *draw; /** binning pass cmdstream: */ struct fd_ringbuffer *binning; /** tiling/gmem (IB0) cmdstream: */ struct fd_ringbuffer *gmem; // TODO maybe more generically split out clear and clear_binning rings? struct fd_ringbuffer *lrz_clear; /** * hw query related state: */ /*@{*/ /* next sample offset.. incremented for each sample in the batch/ * submit, reset to zero on next submit. */ uint32_t next_sample_offset; /* cached samples (in case multiple queries need to reference * the same sample snapshot) */ struct fd_hw_sample *sample_cache[MAX_HW_SAMPLE_PROVIDERS]; /* which sample providers were active in the current batch: */ uint32_t active_providers; /* tracking for current stage, to know when to start/stop * any active queries: */ enum fd_render_stage stage; /* list of samples in current batch: */ struct util_dynarray samples; /* current query result bo and tile stride: */ struct pipe_resource *query_buf; uint32_t query_tile_stride; /*@}*/ /* Set of resources used by currently-unsubmitted batch (read or * write).. does not hold a reference to the resource. */ struct set *resources; /** key in batch-cache (if not null): */ const void *key; uint32_t hash; /** set of dependent batches.. holds refs to dependent batches: */ uint32_t dependents_mask; }; struct fd_batch * fd_batch_create(struct fd_context *ctx, bool nondraw); void fd_batch_reset(struct fd_batch *batch); void fd_batch_sync(struct fd_batch *batch); void fd_batch_flush(struct fd_batch *batch, bool sync, bool force); void fd_batch_add_dep(struct fd_batch *batch, struct fd_batch *dep); void fd_batch_resource_used(struct fd_batch *batch, struct fd_resource *rsc, bool write); void fd_batch_check_size(struct fd_batch *batch); /* not called directly: */ void __fd_batch_describe(char* buf, const struct fd_batch *batch); void __fd_batch_destroy(struct fd_batch *batch); /* * NOTE the rule is, you need to hold the screen->lock when destroying * a batch.. so either use fd_batch_reference() (which grabs the lock * for you) if you don't hold the lock, or fd_batch_reference_locked() * if you do hold the lock. * * WARNING the _locked() version can briefly drop the lock. Without * recursive mutexes, I'm not sure there is much else we can do (since * __fd_batch_destroy() needs to unref resources) */ /* fwd-decl prototypes to untangle header dependency :-/ */ static inline void fd_context_assert_locked(struct fd_context *ctx); static inline void fd_context_lock(struct fd_context *ctx); static inline void fd_context_unlock(struct fd_context *ctx); static inline void fd_batch_reference_locked(struct fd_batch **ptr, struct fd_batch *batch) { struct fd_batch *old_batch = *ptr; /* only need lock if a reference is dropped: */ if (old_batch) fd_context_assert_locked(old_batch->ctx); if (pipe_reference_described(&(*ptr)->reference, &batch->reference, (debug_reference_descriptor)__fd_batch_describe)) __fd_batch_destroy(old_batch); *ptr = batch; } static inline void fd_batch_reference(struct fd_batch **ptr, struct fd_batch *batch) { struct fd_batch *old_batch = *ptr; struct fd_context *ctx = old_batch ? old_batch->ctx : NULL; if (ctx) fd_context_lock(ctx); fd_batch_reference_locked(ptr, batch); if (ctx) fd_context_unlock(ctx); } #include "freedreno_context.h" static inline void fd_reset_wfi(struct fd_batch *batch) { batch->needs_wfi = true; } void fd_wfi(struct fd_batch *batch, struct fd_ringbuffer *ring); /* emit a CP_EVENT_WRITE: */ static inline void fd_event_write(struct fd_batch *batch, struct fd_ringbuffer *ring, enum vgt_event_type evt) { OUT_PKT3(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, evt); fd_reset_wfi(batch); } #endif /* FREEDRENO_BATCH_H_ */