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/*
* Copyright © 2014 Broadcom
* Copyright (C) 2012 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.
*/
#ifndef VC4_RESOURCE_H
#define VC4_RESOURCE_H
#include "vc4_screen.h"
#include "kernel/vc4_packet.h"
#include "util/u_transfer.h"
struct vc4_transfer {
struct pipe_transfer base;
void *map;
struct pipe_resource *ss_resource;
struct pipe_box ss_box;
};
struct vc4_resource_slice {
uint32_t offset;
uint32_t stride;
uint32_t size;
/** One of VC4_TILING_FORMAT_* */
uint8_t tiling;
};
struct vc4_surface {
struct pipe_surface base;
uint32_t offset;
uint8_t tiling;
};
struct vc4_resource {
struct u_resource base;
struct vc4_bo *bo;
struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS];
uint32_t cube_map_stride;
int cpp;
bool tiled;
/** One of VC4_TEXTURE_TYPE_* */
enum vc4_texture_data_type vc4_format;
/**
* Number of times the resource has been written to.
*
* This is used to track when we need to update this shadow resource
* from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
* can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
*/
uint64_t writes;
/**
* Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
* for which parts of the resource are defined.
*
* Used for avoiding fallback to quad clears for clearing just depth,
* when the stencil contents have never been initialized. Note that
* we're lazy and fields not present in the buffer (DEPTH in a color
* buffer) may get marked.
*/
uint32_t initialized_buffers;
/**
* Resource containing the non-GL_TEXTURE_BASE_LEVEL-rebased texture
* contents, or the 4-byte index buffer.
*
* If the parent is set for an texture, then this resource is actually
* the texture contents just starting from the sampler_view's
* first_level.
*
* If the parent is set for an index index buffer, then this resource
* is actually a shadow containing a 2-byte index buffer starting from
* the ib's offset.
*/
struct pipe_resource *shadow_parent;
};
static inline struct vc4_resource *
vc4_resource(struct pipe_resource *prsc)
{
return (struct vc4_resource *)prsc;
}
static inline struct vc4_surface *
vc4_surface(struct pipe_surface *psurf)
{
return (struct vc4_surface *)psurf;
}
static inline struct vc4_transfer *
vc4_transfer(struct pipe_transfer *ptrans)
{
return (struct vc4_transfer *)ptrans;
}
void vc4_resource_screen_init(struct pipe_screen *pscreen);
void vc4_resource_context_init(struct pipe_context *pctx);
struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen,
const struct pipe_resource *tmpl);
void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
struct pipe_sampler_view *view);
struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx,
const struct pipe_draw_info *info,
uint32_t offset,
uint32_t count,
uint32_t *shadow_offset);
void vc4_dump_surface(struct pipe_surface *psurf);
#endif /* VC4_RESOURCE_H */
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