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llvmpipe: Init eglQueryDmaBufModifiersEXT num_modifiers

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Initialize the number of modifiers when `max` is 0 as documented [1]:

  If <max_formats> is 0, no formats are returned, but the total number
  of formats is returned in <num_formats>, and no error is generated.

[1] https://registry.khronos.org/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import_modifiers.txt

Fixes: d74ea2c117 ("llvmpipe: Implement dmabuf handling")
Reported-by: Michal Odehnal <modehnal@redhat.com>
Tested-by: Michal Odehnal <modehnal@redhat.com>
Reviewed-by: Lucas Fryzek <lfryzek@igalia.com>
Signed-off-by: José Expósito <jexposit@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29941>
(cherry picked from commit 1ef3b38ff8)
This commit is contained in:
José Expósito 2024-06-27 13:07:11 +02:00 • committed by Eric Engestrom
parent fdf3106d43
commit a405ba5afe
2 changed files with 4 additions and 4 deletions
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2
.pick_status.json
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@ -254,7 +254,7 @@
"description": "llvmpipe: Init eglQueryDmaBufModifiersEXT num_modifiers",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "d74ea2c117fe96e527471e572336f931c3c77da1",
"notes": null

6
src/gallium/drivers/llvmpipe/lp_texture.c
View file

@ -1454,10 +1454,10 @@ llvmpipe_resource_get_param(struct pipe_screen *screen,
static void
llvmpipe_query_dmabuf_modifiers(struct pipe_screen *pscreen, enum pipe_format format, int max, uint64_t *modifiers, unsigned int *external_only, int *count)
{
if (max) {
*count = 1;
*count = 1;
if (max)
*modifiers = DRM_FORMAT_MOD_LINEAR;
}
}
static bool