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| author | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2020-02-20 07:19:27 +0100 |
|---|---|---|
| committer | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2020-02-20 18:47:29 +0100 |
| commit | 37650bf93803822d6e3aefae7c2f4c7eef5d6171 (patch) | |
| tree | 24fa5e3c953d8cd1ab7567677717e1d908972713 | |
| parent | 7a73446c513e2218a08ae9425a1bea49c63080a7 (diff) | |
| download | mesa-37650bf93803822d6e3aefae7c2f4c7eef5d6171.tar.gz | |
radv/winsys: add a new flag that requests zerovram allocations
This introduces RADON_FLAG_ZERO_VRAM.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3888>
| -rw-r--r-- | src/amd/vulkan/radv_radeon_winsys.h | 1 | ||||
| -rw-r--r-- | src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c | 7 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/amd/vulkan/radv_radeon_winsys.h b/src/amd/vulkan/radv_radeon_winsys.h index 5c7b1ab5118..59c628b730f 100644 --- a/src/amd/vulkan/radv_radeon_winsys.h +++ b/src/amd/vulkan/radv_radeon_winsys.h @@ -61,6 +61,7 @@ enum radeon_bo_flag { /* bitfield */ RADEON_FLAG_READ_ONLY = (1 << 7), RADEON_FLAG_32BIT = (1 << 8), RADEON_FLAG_PREFER_LOCAL_BO = (1 << 9), + RADEON_FLAG_ZERO_VRAM = (1 << 10), }; enum radeon_bo_usage { /* bitfield */ diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c index 9e19b7b1f89..c07641d6ab8 100644 --- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c +++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c @@ -382,8 +382,11 @@ radv_amdgpu_winsys_bo_create(struct radeon_winsys *_ws, } /* this won't do anything on pre 4.9 kernels */ - if (ws->zero_all_vram_allocs && (initial_domain & RADEON_DOMAIN_VRAM)) - request.flags |= AMDGPU_GEM_CREATE_VRAM_CLEARED; + if (initial_domain & RADEON_DOMAIN_VRAM) { + if (ws->zero_all_vram_allocs || (flags & RADEON_FLAG_ZERO_VRAM)) + request.flags |= AMDGPU_GEM_CREATE_VRAM_CLEARED; + } + r = amdgpu_bo_alloc(ws->dev, &request, &buf_handle); if (r) { fprintf(stderr, "amdgpu: Failed to allocate a buffer:\n"); |