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/*
* Copyright © 2017 Advanced Micro Devices, Inc.
*
* 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, 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 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 COPYRIGHT HOLDERS, AUTHORS
* AND/OR ITS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
#ifndef AC_SURFACE_H
#define AC_SURFACE_H
#include <stdint.h>
#include "amd_family.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Forward declarations. */
typedef void* ADDR_HANDLE;
struct amdgpu_gpu_info;
struct radeon_info;
#define RADEON_SURF_MAX_LEVELS 15
enum radeon_surf_mode {
RADEON_SURF_MODE_LINEAR_ALIGNED = 1,
RADEON_SURF_MODE_1D = 2,
RADEON_SURF_MODE_2D = 3,
};
/* These are defined exactly like GB_TILE_MODEn.MICRO_TILE_MODE_NEW. */
enum radeon_micro_mode {
RADEON_MICRO_MODE_DISPLAY = 0,
RADEON_MICRO_MODE_THIN = 1,
RADEON_MICRO_MODE_DEPTH = 2,
RADEON_MICRO_MODE_ROTATED = 3,
};
/* the first 16 bits are reserved for libdrm_radeon, don't use them */
#define RADEON_SURF_SCANOUT (1 << 16)
#define RADEON_SURF_ZBUFFER (1 << 17)
#define RADEON_SURF_SBUFFER (1 << 18)
#define RADEON_SURF_Z_OR_SBUFFER (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)
/* bits 19 and 20 are reserved for libdrm_radeon, don't use them */
#define RADEON_SURF_FMASK (1 << 21)
#define RADEON_SURF_DISABLE_DCC (1 << 22)
#define RADEON_SURF_TC_COMPATIBLE_HTILE (1 << 23)
#define RADEON_SURF_IMPORTED (1 << 24)
#define RADEON_SURF_OPTIMIZE_FOR_SPACE (1 << 25)
#define RADEON_SURF_SHAREABLE (1 << 26)
struct legacy_surf_level {
uint64_t offset;
uint64_t slice_size;
uint64_t dcc_offset;
uint64_t dcc_fast_clear_size;
uint16_t nblk_x;
uint16_t nblk_y;
enum radeon_surf_mode mode;
};
struct legacy_surf_layout {
unsigned bankw:4; /* max 8 */
unsigned bankh:4; /* max 8 */
unsigned mtilea:4; /* max 8 */
unsigned tile_split:13; /* max 4K */
unsigned stencil_tile_split:13; /* max 4K */
unsigned pipe_config:5; /* max 17 */
unsigned num_banks:5; /* max 16 */
unsigned macro_tile_index:4; /* max 15 */
/* Whether the depth miptree or stencil miptree as used by the DB are
* adjusted from their TC compatible form to ensure depth/stencil
* compatibility. If either is true, the corresponding plane cannot be
* sampled from.
*/
unsigned depth_adjusted:1;
unsigned stencil_adjusted:1;
struct legacy_surf_level level[RADEON_SURF_MAX_LEVELS];
struct legacy_surf_level stencil_level[RADEON_SURF_MAX_LEVELS];
uint8_t tiling_index[RADEON_SURF_MAX_LEVELS];
uint8_t stencil_tiling_index[RADEON_SURF_MAX_LEVELS];
};
/* Same as addrlib - AddrResourceType. */
enum gfx9_resource_type {
RADEON_RESOURCE_1D = 0,
RADEON_RESOURCE_2D,
RADEON_RESOURCE_3D,
};
struct gfx9_surf_flags {
uint16_t swizzle_mode; /* tile mode */
uint16_t epitch; /* (pitch - 1) or (height - 1) */
};
struct gfx9_surf_meta_flags {
unsigned rb_aligned:1; /* optimal for RBs */
unsigned pipe_aligned:1; /* optimal for TC */
};
struct gfx9_surf_layout {
struct gfx9_surf_flags surf; /* color or depth surface */
struct gfx9_surf_flags fmask; /* not added to surf_size */
struct gfx9_surf_flags stencil; /* added to surf_size, use stencil_offset */
struct gfx9_surf_meta_flags dcc; /* metadata of color */
struct gfx9_surf_meta_flags htile; /* metadata of depth and stencil */
struct gfx9_surf_meta_flags cmask; /* metadata of fmask */
enum gfx9_resource_type resource_type; /* 1D, 2D or 3D */
uint16_t surf_pitch; /* in blocks */
uint16_t surf_height;
uint64_t surf_offset; /* 0 unless imported with an offset */
/* The size of the 2D plane containing all mipmap levels. */
uint64_t surf_slice_size;
/* Mipmap level offset within the slice in bytes. Only valid for LINEAR. */
uint32_t offset[RADEON_SURF_MAX_LEVELS];
uint16_t dcc_pitch_max; /* (mip chain pitch - 1) */
uint64_t stencil_offset; /* separate stencil */
uint64_t fmask_size;
uint64_t cmask_size;
uint32_t fmask_alignment;
uint32_t cmask_alignment;
};
struct radeon_surf {
/* Format properties. */
unsigned blk_w:4;
unsigned blk_h:4;
unsigned bpe:5;
/* Number of mipmap levels where DCC is enabled starting from level 0.
* Non-zero levels may be disabled due to alignment constraints, but not
* the first level.
*/
unsigned num_dcc_levels:4;
unsigned is_linear:1;
/* Displayable, thin, depth, rotated. AKA D,S,Z,R swizzle modes. */
unsigned micro_tile_mode:3;
uint32_t flags;
/* These are return values. Some of them can be set by the caller, but
* they will be treated as hints (e.g. bankw, bankh) and might be
* changed by the calculator.
*/
/* Tile swizzle can be OR'd with low bits of the BASE_256B address.
* The value is the same for all mipmap levels. Supported tile modes:
* - GFX6: Only macro tiling.
* - GFX9: Only *_X swizzle modes. Level 0 must not be in the mip tail.
*
* Only these surfaces are allowed to set it:
* - color (if it doesn't have to be displayable)
* - DCC (same tile swizzle as color)
* - FMASK
* - CMASK if it's TC-compatible or if the gen is GFX9
* - depth/stencil if HTILE is not TC-compatible and if the gen is not GFX9
*/
uint8_t tile_swizzle;
uint64_t surf_size;
uint64_t dcc_size;
uint64_t htile_size;
uint32_t htile_slice_size;
uint32_t surf_alignment;
uint32_t dcc_alignment;
uint32_t htile_alignment;
union {
/* R600-VI return values.
*
* Some of them can be set by the caller if certain parameters are
* desirable. The allocator will try to obey them.
*/
struct legacy_surf_layout legacy;
/* GFX9+ return values. */
struct gfx9_surf_layout gfx9;
} u;
};
struct ac_surf_info {
uint32_t width;
uint32_t height;
uint32_t depth;
uint8_t samples;
uint8_t levels;
uint16_t array_size;
uint32_t *surf_index; /* Set a monotonic counter for tile swizzling. */
};
struct ac_surf_config {
struct ac_surf_info info;
unsigned is_3d : 1;
unsigned is_cube : 1;
};
ADDR_HANDLE amdgpu_addr_create(const struct radeon_info *info,
const struct amdgpu_gpu_info *amdinfo,
uint64_t *max_alignment);
int ac_compute_surface(ADDR_HANDLE addrlib, const struct radeon_info *info,
const struct ac_surf_config * config,
enum radeon_surf_mode mode,
struct radeon_surf *surf);
#ifdef __cplusplus
}
#endif
#endif /* AC_SURFACE_H */
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