/*
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* Copyright © 2014 Broadcom
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* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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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, sublicense,
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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 next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 NONINFRINGEMENT. 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 DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef VC4_RESOURCE_H
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#define VC4_RESOURCE_H
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#include "vc4_screen.h"
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#include "kernel/vc4_packet.h"
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#include "util/u_transfer.h"
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struct vc4_transfer {
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struct pipe_transfer base;
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void *map;
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struct pipe_resource *ss_resource;
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struct pipe_box ss_box;
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};
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struct vc4_resource_slice {
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uint32_t offset;
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uint32_t stride;
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uint32_t size;
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/** One of VC4_TILING_FORMAT_* */
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uint8_t tiling;
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};
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struct vc4_surface {
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struct pipe_surface base;
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uint32_t offset;
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uint8_t tiling;
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};
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struct vc4_resource {
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struct pipe_resource base;
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struct vc4_bo *bo;
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struct renderonly_scanout *scanout;
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struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS];
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uint32_t cube_map_stride;
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int cpp;
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bool tiled;
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/** One of VC4_TEXTURE_TYPE_* */
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enum vc4_texture_data_type vc4_format;
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/**
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* Number of times the resource has been written to.
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*
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* This is used to track when we need to update this shadow resource
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* from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
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* can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
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*/
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uint64_t writes;
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/**
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* Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
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* for which parts of the resource are defined.
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*
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* Used for avoiding fallback to quad clears for clearing just depth,
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* when the stencil contents have never been initialized. Note that
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* we're lazy and fields not present in the buffer (DEPTH in a color
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* buffer) may get marked.
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*/
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uint32_t initialized_buffers;
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};
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static inline struct vc4_resource *
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vc4_resource(struct pipe_resource *prsc)
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{
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return (struct vc4_resource *)prsc;
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}
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static inline struct vc4_surface *
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vc4_surface(struct pipe_surface *psurf)
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{
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return (struct vc4_surface *)psurf;
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}
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static inline struct vc4_transfer *
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vc4_transfer(struct pipe_transfer *ptrans)
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{
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return (struct vc4_transfer *)ptrans;
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}
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void vc4_resource_screen_init(struct pipe_screen *pscreen);
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void vc4_resource_context_init(struct pipe_context *pctx);
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struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen,
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const struct pipe_resource *tmpl);
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void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
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struct pipe_sampler_view *view);
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struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx,
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const struct pipe_draw_info *info,
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uint32_t offset,
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uint32_t count,
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uint32_t *shadow_offset);
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void vc4_dump_surface(struct pipe_surface *psurf);
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#endif /* VC4_RESOURCE_H */
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