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wined3d: Validate vertex shader input signature register indices (AFL). 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2017-07-25 14:26:00 +02:00 committed by Alexandre Julliard
parent a24b8267d5
commit cc16e0d2de
1 changed files with 10 additions and 2 deletions
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12
dlls/wined3d/shader.c
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@ -1684,14 +1684,22 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const st
{
for (i = 0; i < input_signature->element_count; ++i)
{
reg_maps->input_registers |= 1u << input_signature->elements[i].register_idx;
if (shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
if (shader_version.type == WINED3D_SHADER_TYPE_VERTEX)
{
if (input_signature->elements[i].register_idx >= ARRAY_SIZE(shader->u.vs.attributes))
{
WARN("Invalid input signature register index %u.\n", input_signature->elements[i].register_idx);
return WINED3DERR_INVALIDCALL;
}
}
else if (shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
{
if (input_signature->elements[i].sysval_semantic == WINED3D_SV_POSITION)
reg_maps->vpos = 1;
else if (input_signature->elements[i].sysval_semantic == WINED3D_SV_IS_FRONT_FACE)
reg_maps->usesfacing = 1;
}
reg_maps->input_registers |= 1u << input_signature->elements[i].register_idx;
}
}
else if (!input_signature->elements && reg_maps->input_registers)