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ac/surface: add stencil-only support for host mem->surf copies

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It's needed to tweak the surface info and to adjust the base pointer.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41000>
This commit is contained in:
Samuel Pitoiset 2026-04-16 16:30:16 +02:00
parent d1dd65d425
commit fd95195f45
2 changed files with 20 additions and 4 deletions
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22
src/amd/common/ac_surface.c
View file

@ -4688,9 +4688,15 @@ gfx10_surface_copy_mem_surface(struct ac_addrlib *addrlib, const struct radeon_i
texel_scale = 3;
}
/* Adjust surface info for a stencil-only copy. */
if (surf_copy_region->is_stencil_only) {
format = ADDR_FMT_8;
bpe = 1;
}
ADDR2_COPY_MEMSURFACE_INPUT input = {0};
input.size = sizeof(ADDR2_COPY_MEMSURFACE_INPUT);
input.swizzleMode = surf->has_stencil ?
input.swizzleMode = (surf->has_stencil && surf_copy_region->is_stencil_only) ?
surf->u.gfx9.zs.stencil_swizzle_mode :
surf->u.gfx9.swizzle_mode;
input.format = format;
@ -4707,7 +4713,8 @@ gfx10_surface_copy_mem_surface(struct ac_addrlib *addrlib, const struct radeon_i
input.numSamples = surf_info->samples;
input.pitchInElement = surf->u.gfx9.pitch[surf_copy_region->level];
input.pbXor = surf->tile_swizzle;
input.pMappedSurface = (void *)surf_copy_region->surf_ptr;
input.pMappedSurface = (char *)surf_copy_region->surf_ptr +
(surf_copy_region->is_stencil_only ? surf->u.gfx9.zs.stencil_offset : 0);
ADDR_E_RETURNCODE res;
ADDR2_COPY_MEMSURFACE_REGION region = {0};
@ -4755,9 +4762,15 @@ gfx12_surface_copy_mem_surface(struct ac_addrlib *addrlib, const struct radeon_i
texel_scale = 3;
}
/* Adjust surface info for a stencil-only copy. */
if (surf_copy_region->is_stencil_only) {
format = ADDR_FMT_8;
bpe = 1;
}
ADDR3_COPY_MEMSURFACE_INPUT input = {0};
input.size = sizeof(ADDR3_COPY_MEMSURFACE_INPUT);
input.swizzleMode = surf->has_stencil ?
input.swizzleMode = (surf->has_stencil && surf_copy_region->is_stencil_only) ?
surf->u.gfx9.zs.stencil_swizzle_mode :
surf->u.gfx9.swizzle_mode;
input.format = format;
@ -4773,7 +4786,8 @@ gfx12_surface_copy_mem_surface(struct ac_addrlib *addrlib, const struct radeon_i
input.numSamples = surf_info->samples;
input.pitchInElement = surf->u.gfx9.pitch[surf_copy_region->level];
input.pbXor = surf->tile_swizzle;
input.pMappedSurface = (void *)surf_copy_region->surf_ptr;
input.pMappedSurface = (char *)surf_copy_region->surf_ptr +
(surf_copy_region->is_stencil_only ? surf->u.gfx9.zs.stencil_offset : 0);
ADDR_E_RETURNCODE res;
ADDR3_COPY_MEMSURFACE_REGION region = {0};

2
src/amd/common/ac_surface.h
View file

@ -558,6 +558,8 @@ struct ac_surface_copy_region {
uint64_t mem_row_pitch;
uint64_t mem_slice_pitch;
bool is_stencil_only;
};
bool ac_surface_copy_mem_to_surface(struct ac_addrlib *addrlib, const struct radeon_info *info,