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virgl: Increase the shader transfer buffer by doubling the size

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With only linearly increasing the size of the shader transfer buffer
the transfer of very large shaders may fail, so with each attempt double
the size of the buffer.

CTS:
  dEQP-GLES31.functional.ssbo.layout.random.all_shared_buffer.48
  for VTK-GL-CTS b5dcfb9c5 and newer

virglrenderer bug:
  https://gitlab.freedesktop.org/virgl/virglrenderer/issues/150

Fixes: a8987b88ff
    virgl: add driver for virtio-gpu 3D (v2)

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3121>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3121>
(cherry picked from commit cffa7bb990)
This commit is contained in:
Gert Wollny 2019-12-16 21:48:09 +01:00 • committed by Dylan Baker
parent 4244f4af88
commit f42f9bbcd6
1 changed files with 3 additions and 2 deletions
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5
src/gallium/drivers/virgl/virgl_encode.c
View file

@ -492,12 +492,13 @@ int virgl_encode_shader_state(struct virgl_context *ctx,
if (virgl_debug & VIRGL_DEBUG_VERBOSE)
debug_printf("Failed to translate shader in available space - trying again\n");
old_size = str_total_size;
str_total_size = 65536 * ++retry_size;
str_total_size = 65536 * retry_size;
retry_size *= 2;
str = REALLOC(str, old_size, str_total_size);
if (!str)
return -1;
}
} while (bret == false && retry_size < 10);
} while (bret == false && retry_size < 1024);
if (bret == false)
return -1;