186 lines
5.9 KiB
C
186 lines
5.9 KiB
C
/*
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* Copyright (c) 2012-2015 Etnaviv Project
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Wladimir J. van der Laan <laanwj@gmail.com>
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*/
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#ifndef H_ETNAVIV_RESOURCE
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#define H_ETNAVIV_RESOURCE
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#include "etnaviv_internal.h"
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#include "etnaviv_tiling.h"
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#include "pipe/p_state.h"
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#include "util/format/u_format.h"
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#include "util/list.h"
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#include "util/hash_table.h"
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#include "util/u_helpers.h"
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#include "util/u_range.h"
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struct etna_context;
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struct pipe_screen;
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struct util_dynarray;
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struct etna_resource_level {
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unsigned width, padded_width; /* in pixels */
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unsigned height, padded_height; /* in samples */
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unsigned depth;
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unsigned offset; /* offset into memory area */
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uint32_t stride; /* row stride */
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uint32_t layer_stride; /* layer stride */
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unsigned size; /* total size of memory area */
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uint32_t ts_offset;
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uint32_t ts_layer_stride;
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uint32_t ts_size;
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uint64_t clear_value; /* clear value of resource level (mainly for TS) */
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bool ts_valid;
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uint8_t ts_mode;
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int8_t ts_compress_fmt; /* COLOR_COMPRESSION_FORMAT_* (-1 = disable) */
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/* keep track if we have done some per block patching */
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bool patched;
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struct util_dynarray *patch_offsets;
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};
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/* status of queued up but not flushed reads and write operations.
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* In _transfer_map() we need to know if queued up rendering needs
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* to be flushed to preserve the order of cpu and gpu access. */
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enum etna_resource_status {
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ETNA_PENDING_WRITE = 0x01,
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ETNA_PENDING_READ = 0x02,
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};
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struct etna_resource {
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struct pipe_resource base;
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struct renderonly_scanout *scanout;
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uint32_t seqno;
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uint32_t flush_seqno;
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/* only lod 0 used for non-texture buffers */
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/* Layout for surface (tiled, multitiled, split tiled, ...) */
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enum etna_surface_layout layout;
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/* Horizontal alignment for texture unit (TEXTURE_HALIGN_*) */
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unsigned halign;
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struct etna_bo *bo; /* Surface video memory */
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struct etna_bo *ts_bo; /* Tile status video memory */
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struct etna_resource_level levels[ETNA_NUM_LOD];
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/* buffer range that has been initialized */
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struct util_range valid_buffer_range;
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/* for when TE doesn't support the base layout */
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struct pipe_resource *texture;
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/* for when PE doesn't support the base layout */
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struct pipe_resource *render;
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/* frontend flushes resource via an explicit call to flush_resource */
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bool explicit_flush;
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};
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/* returns TRUE if a is newer than b */
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static inline bool
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etna_resource_newer(struct etna_resource *a, struct etna_resource *b)
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{
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return (int)(a->seqno - b->seqno) > 0;
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}
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/* returns TRUE if a is older than b */
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static inline bool
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etna_resource_older(struct etna_resource *a, struct etna_resource *b)
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{
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return (int)(a->seqno - b->seqno) < 0;
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}
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/* returns TRUE if a resource has a TS, and it is valid for at least one level */
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bool
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etna_resource_has_valid_ts(struct etna_resource *res);
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/* returns TRUE if the resource needs a resolve to itself */
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static inline bool
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etna_resource_needs_flush(struct etna_resource *res)
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{
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return etna_resource_has_valid_ts(res) && ((int)(res->seqno - res->flush_seqno) > 0);
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}
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/* is the resource only used on the sampler? */
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static inline bool
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etna_resource_sampler_only(const struct pipe_resource *pres)
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{
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return (pres->bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
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PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_BLENDABLE)) ==
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PIPE_BIND_SAMPLER_VIEW;
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}
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static inline bool
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etna_resource_hw_tileable(bool use_blt, const struct pipe_resource *pres)
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{
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if (use_blt)
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return true;
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/* RS can only tile 16bpp or 32bpp formats */
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return util_format_get_blocksize(pres->format) == 2 ||
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util_format_get_blocksize(pres->format) == 4;
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}
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static inline struct etna_resource *
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etna_resource(struct pipe_resource *p)
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{
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return (struct etna_resource *)p;
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}
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void
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etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc,
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enum etna_resource_status status);
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static inline void
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resource_read(struct etna_context *ctx, struct pipe_resource *prsc)
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{
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etna_resource_used(ctx, prsc, ETNA_PENDING_READ);
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}
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static inline void
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resource_written(struct etna_context *ctx, struct pipe_resource *prsc)
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{
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etna_resource_used(ctx, prsc, ETNA_PENDING_WRITE);
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}
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enum etna_resource_status
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etna_resource_status(struct etna_context *ctx, struct etna_resource *res);
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/* Allocate Tile Status for an etna resource.
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* Tile status is a cache of the clear status per tile. This means a smaller
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* surface has to be cleared which is faster.
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* This is also called "fast clear". */
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bool
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etna_screen_resource_alloc_ts(struct pipe_screen *pscreen,
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struct etna_resource *prsc);
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struct pipe_resource *
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etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
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uint64_t modifier, const struct pipe_resource *templat);
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void
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etna_resource_screen_init(struct pipe_screen *pscreen);
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#endif
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