Henri Verbeet : d3d11: Ensure sampler max_lod is >= min_lod.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cce051b7d6820d8e14109823e3382ed7261d8981
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=cce051b7d6820d8e14109823e...

Author: Henri Verbeet 
Date:   Thu Mar 11 13:54:31 2021 +0100

d3d11: Ensure sampler max_lod is >= min_lod.

A maximum level of detail smaller than the minimum is poorly defined in OpenGL
and D3D, and disallowed by Vulkan. Found by the Vulkan validation layers.

Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

dlls/d3d11/state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/d3d11/state.c b/dlls/d3d11/state.c
index 737dae93848..6b287176536 100644
--- a/dlls/d3d11/state.c
+++ b/dlls/d3d11/state.c
@@ -1551,7 +1551,7 @@ static HRESULT d3d_sampler_state_init(struct d3d_sampler_state *state, struct d3
     wined3d_desc.mip_filter = wined3d_texture_filter_mip_from_d3d11(desc->Filter);
     wined3d_desc.lod_bias = desc->MipLODBias;
     wined3d_desc.min_lod = desc->MinLOD;
-    wined3d_desc.max_lod = desc->MaxLOD;
+    wined3d_desc.max_lod = max(desc->MinLOD, desc->MaxLOD);
     wined3d_desc.mip_base_level = 0;
     wined3d_desc.max_anisotropy = D3D11_DECODE_IS_ANISOTROPIC_FILTER(desc->Filter) ? desc->MaxAnisotropy : 1;
     wined3d_desc.compare = wined3d_texture_compare_from_d3d11(desc->Filter);