wined3d: Move the destination alpha blend function to wined3d_blend_state.

dlls/d3d11/device.c

@@ -741,7 +741,6 @@ static void STDMETHODCALLTYPE d3d11_immediate_context_OMSetBlendState(ID3D11Devi
         const D3D11_RENDER_TARGET_BLEND_DESC *d = &desc->RenderTarget[0];
 
         wined3d_device_set_render_state(device->wined3d_device, WINED3D_RS_SEPARATEALPHABLENDENABLE, TRUE);
-        wined3d_device_set_render_state(device->wined3d_device, WINED3D_RS_DESTBLENDALPHA, d->DestBlendAlpha);
         wined3d_device_set_render_state(device->wined3d_device, WINED3D_RS_BLENDOPALPHA, d->BlendOpAlpha);
     }
     wined3d_device_set_render_state(device->wined3d_device,

dlls/d3d11/state.c

@@ -394,6 +394,7 @@ HRESULT d3d_blend_state_create(struct d3d_device *device, const D3D11_BLEND_DESC
     wined3d_desc.dst = desc->RenderTarget[0].DestBlend;
     wined3d_desc.op = desc->RenderTarget[0].BlendOp;
     wined3d_desc.src_alpha = desc->RenderTarget[0].SrcBlendAlpha;
+    wined3d_desc.dst_alpha = desc->RenderTarget[0].DestBlendAlpha;
 
     /* We cannot fail after creating a wined3d_blend_state object. It
      * would lead to double free. */

dlls/wined3d/device.c

@@ -3586,6 +3586,7 @@ void CDECL wined3d_device_apply_stateblock(struct wined3d_device *device,
                 case WINED3D_RS_DESTBLEND:
                 case WINED3D_RS_BLENDOP:
                 case WINED3D_RS_SRCBLENDALPHA:
+                case WINED3D_RS_DESTBLENDALPHA:
                     set_blend_state = TRUE;
                     break;
 
@@ -3664,10 +3665,12 @@ void CDECL wined3d_device_apply_stateblock(struct wined3d_device *device,
         if (state->rs[WINED3D_RS_SEPARATEALPHABLENDENABLE])
         {
             desc.src_alpha = state->rs[WINED3D_RS_SRCBLENDALPHA];
+            desc.dst_alpha = state->rs[WINED3D_RS_DESTBLENDALPHA];
         }
         else
         {
             desc.src_alpha = state->rs[WINED3D_RS_SRCBLEND];
+            desc.dst_alpha = state->rs[WINED3D_RS_DESTBLEND];
         }
 
         if (wined3d_bitmap_is_set(changed->renderState, WINED3D_RS_BLENDFACTOR))

dlls/wined3d/state.c

@@ -573,8 +573,7 @@ static void state_blend(struct wined3d_context *context, const struct wined3d_st
             return;
         }
 
-        gl_blend_from_d3d(&src_blend_alpha, &dst_blend_alpha, b->desc.src_alpha,
-                state->render_states[WINED3D_RS_DESTBLENDALPHA], rt_format);
+        gl_blend_from_d3d(&src_blend_alpha, &dst_blend_alpha, b->desc.src_alpha, b->desc.dst_alpha, rt_format);
 
         GL_EXTCALL(glBlendFuncSeparate(src_blend, dst_blend, src_blend_alpha, dst_blend_alpha));
         checkGLcall("glBlendFuncSeparate");
@@ -4502,8 +4501,6 @@ const struct wined3d_state_entry_template misc_state_template[] =
     { STATE_STREAM_OUTPUT,                                { STATE_STREAM_OUTPUT,                                state_so_warn,      }, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3D_RS_EDGEANTIALIAS),             { STATE_RENDER(WINED3D_RS_EDGEANTIALIAS),             state_line_antialias}, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3D_RS_SEPARATEALPHABLENDENABLE),  { STATE_BLEND,                                        NULL                }, WINED3D_GL_EXT_NONE             },
-    { STATE_RENDER(WINED3D_RS_DESTBLENDALPHA),            { STATE_BLEND,                                        NULL                }, WINED3D_GL_EXT_NONE             },
-    { STATE_RENDER(WINED3D_RS_DESTBLENDALPHA),            { STATE_BLEND,                                        NULL                }, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3D_RS_BLENDOPALPHA),              { STATE_BLEND,                                        NULL                }, WINED3D_GL_EXT_NONE             },
     { STATE_BLEND,                                        { STATE_BLEND,                                        blend               }, WINED3D_GL_EXT_NONE             },
     { STATE_BLEND_FACTOR,                                 { STATE_BLEND_FACTOR,                                 state_blend_factor  }, EXT_BLEND_COLOR                 },
@@ -5421,7 +5418,7 @@ static void validate_state_table(struct wined3d_state_entry *state_table)
         {174, 177},
         {193, 193},
         {195, 197},
-        {207, 207},
+        {207, 208},
         {  0,   0},
     };
     static const DWORD simple_states[] =

include/wine/wined3d.h

@@ -2034,6 +2034,7 @@ struct wined3d_blend_state_desc
     enum wined3d_blend dst;
     enum wined3d_blend_op op;
     enum wined3d_blend src_alpha;
+    enum wined3d_blend dst_alpha;
 };
 
 struct wined3d_rasterizer_state_desc