d3d11: Factor out shader_find_signature_element() function.

dlls/d3d11/d3d11_private.h

@@ -353,6 +353,8 @@ HRESULT d3d11_compute_shader_create(struct d3d_device *device, const void *byte_
 struct d3d11_compute_shader *unsafe_impl_from_ID3D11ComputeShader(ID3D11ComputeShader *iface) DECLSPEC_HIDDEN;
 
 HRESULT shader_parse_signature(const char *data, DWORD data_size, struct wined3d_shader_signature *s) DECLSPEC_HIDDEN;
+struct wined3d_shader_signature_element *shader_find_signature_element(const struct wined3d_shader_signature *s,
+        const char *semantic_name, unsigned int semantic_idx) DECLSPEC_HIDDEN;
 void shader_free_signature(struct wined3d_shader_signature *s) DECLSPEC_HIDDEN;
 
 /* ID3D11ClassLinkage */

dlls/d3d11/inputlayout.c

@@ -65,7 +65,7 @@ static HRESULT d3d11_input_layout_to_wined3d_declaration(const D3D11_INPUT_ELEME
     {
         struct wined3d_vertex_element *e = &(*wined3d_elements)[i];
         const D3D11_INPUT_ELEMENT_DESC *f = &element_descs[i];
-        unsigned int j;
+        struct wined3d_shader_signature_element *element;
 
         e->format = wined3dformat_from_dxgi_format(f->Format);
         e->input_slot = f->InputSlot;
@@ -77,17 +77,9 @@ static HRESULT d3d11_input_layout_to_wined3d_declaration(const D3D11_INPUT_ELEME
         e->usage = 0;
         e->usage_idx = 0;
 
-        for (j = 0; j < is.element_count; ++j)
-        {
-            if (!strcasecmp(element_descs[i].SemanticName, is.elements[j].semantic_name)
-                    && element_descs[i].SemanticIndex == is.elements[j].semantic_idx)
-            {
-                e->output_slot = is.elements[j].register_idx;
-                break;
-            }
-        }
-
-        if (e->output_slot == WINED3D_OUTPUT_SLOT_UNUSED)
+        if ((element = shader_find_signature_element(&is, f->SemanticName, f->SemanticIndex)))
+            e->output_slot = element->register_idx;
+        else
             WARN("Unused input element %u.\n", i);
     }
 

dlls/d3d11/shader.c

@@ -226,6 +226,21 @@ HRESULT shader_parse_signature(const char *data, DWORD data_size, struct wined3d
     return S_OK;
 }
 
+struct wined3d_shader_signature_element *shader_find_signature_element(const struct wined3d_shader_signature *s,
+        const char *semantic_name, unsigned int semantic_idx)
+{
+    struct wined3d_shader_signature_element *e = s->elements;
+    unsigned int i;
+
+    for (i = 0; i < s->element_count; ++i)
+    {
+        if (!strcasecmp(e[i].semantic_name, semantic_name) && e[i].semantic_idx == semantic_idx)
+            return &e[i];
+    }
+
+    return NULL;
+}
+
 void shader_free_signature(struct wined3d_shader_signature *s)
 {
     HeapFree(GetProcessHeap(), 0, s->elements);