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/*
* Copyright 2014, 2015 Red Hat.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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 VIRGL_RESOURCE_H
#define VIRGL_RESOURCE_H
#include "util/u_resource.h"
#include "util/u_range.h"
#include "util/list.h"
#include "util/u_transfer.h"
#include "virgl_hw.h"
#include "virgl_screen.h"
#define VR_MAX_TEXTURE_2D_LEVELS 15
/* Indicates that the resource will be used as a staging buffer, not requiring
* dedicated host-side storage. Can only be used with PIPE_BUFFER resources
* that have a PIPE_BIND_CUSTOM bind type.
*/
#define VIRGL_RESOURCE_FLAG_STAGING (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
struct winsys_handle;
struct virgl_screen;
struct virgl_context;
struct virgl_resource_metadata
{
unsigned long level_offset[VR_MAX_TEXTURE_2D_LEVELS];
unsigned stride[VR_MAX_TEXTURE_2D_LEVELS];
unsigned layer_stride[VR_MAX_TEXTURE_2D_LEVELS];
uint32_t total_size;
};
struct virgl_resource {
struct u_resource u;
uint16_t clean_mask;
struct virgl_hw_res *hw_res;
struct virgl_resource_metadata metadata;
/* For PIPE_BUFFER only. Data outside of this range are uninitialized. */
struct util_range valid_buffer_range;
/* This mask indicates where the resource has been bound to, excluding
* pipe_surface binds.
*
* This is more accurate than pipe_resource::bind. Besides,
* pipe_resource::bind can be 0 with direct state access, and is not
* usable.
*/
unsigned bind_history;
};
enum virgl_transfer_map_type {
VIRGL_TRANSFER_MAP_ERROR = -1,
VIRGL_TRANSFER_MAP_HW_RES,
/* Map a range of a staging buffer. The updated contents should be transferred
* with a copy transfer.
*/
VIRGL_TRANSFER_MAP_STAGING,
/* Reallocate the underlying virgl_hw_res. */
VIRGL_TRANSFER_MAP_REALLOC,
};
struct virgl_transfer {
struct pipe_transfer base;
uint32_t offset, l_stride;
struct util_range range;
struct list_head queue_link;
struct pipe_transfer *resolve_transfer;
struct virgl_hw_res *hw_res;
void *hw_res_map;
/* If not NULL, denotes that this is a copy transfer, i.e.,
* that the transfer source data should be taken from this
* resource instead of the original transfer resource.
*/
struct pipe_resource *copy_src_res;
/* The offset in the copy source resource to copy data from. */
uint32_t copy_src_offset;
};
void virgl_resource_destroy(struct pipe_screen *screen,
struct pipe_resource *resource);
void virgl_init_screen_resource_functions(struct pipe_screen *screen);
void virgl_init_context_resource_functions(struct pipe_context *ctx);
void virgl_texture_init(struct virgl_resource *res);
static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
{
return (struct virgl_resource *)r;
}
static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
{
return (struct virgl_transfer *)trans;
}
void virgl_buffer_init(struct virgl_resource *res);
static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs,
unsigned pbind, unsigned flags)
{
unsigned outbind = 0;
if (pbind & PIPE_BIND_DEPTH_STENCIL)
outbind |= VIRGL_BIND_DEPTH_STENCIL;
if (pbind & PIPE_BIND_RENDER_TARGET)
outbind |= VIRGL_BIND_RENDER_TARGET;
if (pbind & PIPE_BIND_SAMPLER_VIEW)
outbind |= VIRGL_BIND_SAMPLER_VIEW;
if (pbind & PIPE_BIND_VERTEX_BUFFER)
outbind |= VIRGL_BIND_VERTEX_BUFFER;
if (pbind & PIPE_BIND_INDEX_BUFFER)
outbind |= VIRGL_BIND_INDEX_BUFFER;
if (pbind & PIPE_BIND_CONSTANT_BUFFER)
outbind |= VIRGL_BIND_CONSTANT_BUFFER;
if (pbind & PIPE_BIND_DISPLAY_TARGET)
outbind |= VIRGL_BIND_DISPLAY_TARGET;
if (pbind & PIPE_BIND_STREAM_OUTPUT)
outbind |= VIRGL_BIND_STREAM_OUTPUT;
if (pbind & PIPE_BIND_CURSOR)
outbind |= VIRGL_BIND_CURSOR;
if (pbind & PIPE_BIND_CUSTOM) {
if (flags & VIRGL_RESOURCE_FLAG_STAGING)
outbind |= VIRGL_BIND_STAGING;
else
outbind |= VIRGL_BIND_CUSTOM;
}
if (pbind & PIPE_BIND_SCANOUT)
outbind |= VIRGL_BIND_SCANOUT;
if (pbind & PIPE_BIND_SHARED)
outbind |= VIRGL_BIND_SHARED;
if (pbind & PIPE_BIND_SHADER_BUFFER)
outbind |= VIRGL_BIND_SHADER_BUFFER;
if (pbind & PIPE_BIND_QUERY_BUFFER)
outbind |= VIRGL_BIND_QUERY_BUFFER;
if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
outbind |= VIRGL_BIND_COMMAND_ARGS;
return outbind;
}
enum virgl_transfer_map_type
virgl_resource_transfer_prepare(struct virgl_context *vctx,
struct virgl_transfer *xfer);
void virgl_resource_layout(struct pipe_resource *pt,
struct virgl_resource_metadata *metadata);
struct virgl_transfer *
virgl_resource_create_transfer(struct virgl_context *vctx,
struct pipe_resource *pres,
const struct virgl_resource_metadata *metadata,
unsigned level, unsigned usage,
const struct pipe_box *box);
void virgl_resource_destroy_transfer(struct virgl_context *vctx,
struct virgl_transfer *trans);
void virgl_resource_destroy(struct pipe_screen *screen,
struct pipe_resource *resource);
boolean virgl_resource_get_handle(struct pipe_screen *screen,
struct pipe_resource *resource,
struct winsys_handle *whandle);
void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
void *virgl_transfer_uploader_map(struct virgl_context *vctx,
struct virgl_transfer *vtransfer);
bool
virgl_resource_realloc(struct virgl_context *vctx,
struct virgl_resource *res);
#endif
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