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vkd3d-shader: Implement DXBC checksum for root signatures.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia
2018-12-17 21:25:54 +01:00
committed by Alexandre Julliard
parent 3795add878
commit 49e55dd639
4 changed files with 56 additions and 38 deletions
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6
libs/vkd3d-shader/dxbc.c
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@@ -2389,7 +2389,7 @@ static int shader_write_root_signature_header(struct root_signature_writer_conte
if (!write_dword(context, TAG_DXBC))
return VKD3D_ERROR_OUT_OF_MEMORY;
WARN("DXBC checksum is not implemented.\n");
/* The checksum is computed when all data is generated. */
if (!write_dwords(context, 4, 0x00000000))
return VKD3D_ERROR_OUT_OF_MEMORY;
@@ -2596,6 +2596,7 @@ int vkd3d_shader_serialize_root_signature(const struct vkd3d_root_signature_desc
{
struct root_signature_writer_context context;
size_t total_size, chunk_size;
uint32_t checksum[4];
int ret;
TRACE("root_signature %p, version %#x, dxbc %p.\n", root_signature, version, dxbc);
@@ -2628,5 +2629,8 @@ int vkd3d_shader_serialize_root_signature(const struct vkd3d_root_signature_desc
dxbc->code = context.data;
dxbc->size = total_size;
vkd3d_compute_dxbc_checksum(dxbc->code, dxbc->size, checksum);
memcpy((uint32_t *)dxbc->code + 1, checksum, sizeof(checksum));
return VKD3D_OK;
}