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radv/winsys: Add function to get domains/flags from fd.

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4751>
This commit is contained in:
Bas Nieuwenhuizen 2020-04-26 01:31:01 +02:00
parent bec9285027
commit f30983be3a
2 changed files with 51 additions and 0 deletions
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4
src/amd/vulkan/radv_radeon_winsys.h
View file

@ -242,6 +242,10 @@ struct radeon_winsys {
struct radeon_winsys_bo *bo,
int *fd);
bool (*buffer_get_flags_from_fd)(struct radeon_winsys *ws, int fd,
enum radeon_bo_domain *domains,
enum radeon_bo_flag *flags);
void (*buffer_unmap)(struct radeon_winsys_bo *bo);
void (*buffer_set_metadata)(struct radeon_winsys_bo *bo,

47
src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
View file

@ -636,6 +636,52 @@ radv_amdgpu_winsys_get_fd(struct radeon_winsys *_ws,
return true;
}
static bool
radv_amdgpu_bo_get_flags_from_fd(struct radeon_winsys *_ws, int fd,
enum radeon_bo_domain *domains,
enum radeon_bo_flag *flags)
{
struct radv_amdgpu_winsys *ws = radv_amdgpu_winsys(_ws);
struct amdgpu_bo_import_result result = {0};
struct amdgpu_bo_info info = {0};
int r;
*domains = 0;
*flags = 0;
r = amdgpu_bo_import(ws->dev, amdgpu_bo_handle_type_dma_buf_fd, fd, &result);
if (r)
return false;
r = amdgpu_bo_query_info(result.buf_handle, &info);
amdgpu_bo_free(result.buf_handle);
if (r)
return false;
if (info.preferred_heap & AMDGPU_GEM_DOMAIN_VRAM)
*domains |= RADEON_DOMAIN_VRAM;
if (info.preferred_heap & AMDGPU_GEM_DOMAIN_GTT)
*domains |= RADEON_DOMAIN_GTT;
if (info.preferred_heap & AMDGPU_GEM_DOMAIN_GDS)
*domains |= RADEON_DOMAIN_GDS;
if (info.preferred_heap & AMDGPU_GEM_DOMAIN_OA)
*domains |= RADEON_DOMAIN_OA;
if (info.alloc_flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
*flags |= RADEON_FLAG_CPU_ACCESS;
if (info.alloc_flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
*flags |= RADEON_FLAG_NO_CPU_ACCESS;
if (!(info.alloc_flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC))
*flags |= RADEON_FLAG_IMPLICIT_SYNC;
if (info.alloc_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC)
*flags |= RADEON_FLAG_GTT_WC;
if (info.alloc_flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID)
*flags |= RADEON_FLAG_NO_INTERPROCESS_SHARING | RADEON_FLAG_PREFER_LOCAL_BO;
if (info.alloc_flags & AMDGPU_GEM_CREATE_VRAM_CLEARED)
*flags |= RADEON_FLAG_ZERO_VRAM;
return true;
}
static unsigned eg_tile_split(unsigned tile_split)
{
switch (tile_split) {
@ -755,4 +801,5 @@ void radv_amdgpu_bo_init_functions(struct radv_amdgpu_winsys *ws)
ws->base.buffer_set_metadata = radv_amdgpu_winsys_bo_set_metadata;
ws->base.buffer_get_metadata = radv_amdgpu_winsys_bo_get_metadata;
ws->base.buffer_virtual_bind = radv_amdgpu_winsys_bo_virtual_bind;
ws->base.buffer_get_flags_from_fd = radv_amdgpu_bo_get_flags_from_fd;
}