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tests/vkd3d-shader: Set uninitialized uniforms to a value.

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Avoids a potential source of non-determinism because the padding bytes
between uniforms could be left uninitialized.
This commit is contained in:
Francisco Casas 2024-01-31 15:21:23 -03:00 committed by Alexandre Julliard
parent 5eba031fa1
commit 0f9f5269e9
Notes: Alexandre Julliard 2024-02-13 23:11:43 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/616
1 changed files with 4 additions and 0 deletions
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4
tests/shader_runner.c
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@ -551,9 +551,13 @@ static void set_resource(struct shader_runner *runner, struct resource *resource
static void set_uniforms(struct shader_runner *runner, size_t offset, size_t count, const void *uniforms) static void set_uniforms(struct shader_runner *runner, size_t offset, size_t count, const void *uniforms)
{ {
size_t initial_count = runner->uniform_count;
runner->uniform_count = align(max(runner->uniform_count, offset + count), 4); runner->uniform_count = align(max(runner->uniform_count, offset + count), 4);
vkd3d_array_reserve((void **)&runner->uniforms, &runner->uniform_capacity, vkd3d_array_reserve((void **)&runner->uniforms, &runner->uniform_capacity,
runner->uniform_count, sizeof(*runner->uniforms)); runner->uniform_count, sizeof(*runner->uniforms));
memset(runner->uniforms + initial_count, 127,
(runner->uniform_count - initial_count) * sizeof(*runner->uniforms));
memcpy(runner->uniforms + offset, uniforms, count * sizeof(*runner->uniforms)); memcpy(runner->uniforms + offset, uniforms, count * sizeof(*runner->uniforms));
} }