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/*
* © Copyright2018-2019 Alyssa Rosenzweig
*
* 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 PAN_RESOURCE_H
#define PAN_RESOURCE_H
#include <panfrost-job.h>
#include "pan_screen.h"
#include "pan_allocate.h"
#include "drm-uapi/drm.h"
#include "util/u_range.h"
/* Describes the memory layout of a BO */
enum panfrost_memory_layout {
PAN_LINEAR,
PAN_TILED,
PAN_AFBC
};
struct panfrost_slice {
unsigned offset;
unsigned stride;
};
struct panfrost_bo {
struct pipe_reference reference;
/* Description of the mip levels */
struct panfrost_slice slices[MAX_MIP_LEVELS];
/* Mapping for the entire object (all levels) */
uint8_t *cpu;
/* GPU address for the object */
mali_ptr gpu;
/* Size of all entire trees */
size_t size;
/* Distance from tree to tree */
unsigned cubemap_stride;
/* Set if this bo was imported rather than allocated */
bool imported;
/* Internal layout (tiled?) */
enum panfrost_memory_layout layout;
/* If AFBC is enabled for this resource, we lug around an AFBC
* metadata buffer as well. The actual AFBC resource is also in
* afbc_slab (only defined for AFBC) at position afbc_main_offset
*/
struct panfrost_memory afbc_slab;
int afbc_metadata_size;
/* If transaciton elimination is enabled, we have a dedicated
* buffer for that as well. */
bool has_checksum;
struct panfrost_memory checksum_slab;
int checksum_stride;
int gem_handle;
};
void
panfrost_bo_reference(struct panfrost_bo *bo);
void
panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo);
struct panfrost_resource {
struct pipe_resource base;
struct panfrost_bo *bo;
struct renderonly_scanout *scanout;
struct panfrost_resource *separate_stencil;
struct util_range valid_buffer_range;
};
static inline struct panfrost_resource *
pan_resource(struct pipe_resource *p)
{
return (struct panfrost_resource *)p;
}
struct panfrost_gtransfer {
struct pipe_transfer base;
void *map;
};
static inline struct panfrost_gtransfer *
pan_transfer(struct pipe_transfer *p)
{
return (struct panfrost_gtransfer *)p;
}
void panfrost_resource_screen_init(struct panfrost_screen *screen);
void panfrost_resource_context_init(struct pipe_context *pctx);
#endif /* PAN_RESOURCE_H */
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