diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index 1ee64b3224e..64a900fbde4 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -1352,6 +1352,20 @@ void CDECL wined3d_stateblock_set_pixel_shader(struct wined3d_stateblock *stateb
     stateblock->changed.pixelShader = TRUE;
 }
 
+HRESULT CDECL wined3d_stateblock_set_ps_consts_f(struct wined3d_stateblock *stateblock,
+        unsigned int start_idx, unsigned int count, const struct wined3d_vec4 *constants)
+{
+    TRACE("stateblock %p, start_idx %u, count %u, constants %p.\n",
+            stateblock, start_idx, count, constants);
+
+    if (!constants || start_idx >= WINED3D_MAX_PS_CONSTS_F || count > WINED3D_MAX_PS_CONSTS_F - start_idx)
+        return WINED3DERR_INVALIDCALL;
+
+    memcpy(&stateblock->stateblock_state.ps_consts_f[start_idx], constants, count * sizeof(*constants));
+    memset(&stateblock->changed.ps_consts_f[start_idx], 1, count * sizeof(*stateblock->changed.ps_consts_f));
+    return WINED3D_OK;
+}
+
 void CDECL wined3d_stateblock_set_vertex_declaration(struct wined3d_stateblock *stateblock,
         struct wined3d_vertex_declaration *declaration)
 {
diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec
index 6e6f50a7e15..016cf55c032 100644
--- a/dlls/wined3d/wined3d.spec
+++ b/dlls/wined3d/wined3d.spec
@@ -259,6 +259,7 @@
 @ cdecl wined3d_stateblock_decref(ptr)
 @ cdecl wined3d_stateblock_incref(ptr)
 @ cdecl wined3d_stateblock_set_pixel_shader(ptr ptr)
+@ cdecl wined3d_stateblock_set_ps_consts_f(ptr long long ptr)
 @ cdecl wined3d_stateblock_set_vertex_declaration(ptr ptr)
 @ cdecl wined3d_stateblock_set_vertex_shader(ptr ptr)
 @ cdecl wined3d_stateblock_set_vs_consts_b(ptr long long ptr)
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 2f6e7f3bc03..c4c469d4fe4 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2661,6 +2661,8 @@ HRESULT __cdecl wined3d_stateblock_create(struct wined3d_device *device,
 ULONG __cdecl wined3d_stateblock_decref(struct wined3d_stateblock *stateblock);
 ULONG __cdecl wined3d_stateblock_incref(struct wined3d_stateblock *stateblock);
 void __cdecl wined3d_stateblock_set_pixel_shader(struct wined3d_stateblock *stateblock, struct wined3d_shader *shader);
+HRESULT __cdecl wined3d_stateblock_set_ps_consts_f(struct wined3d_stateblock *stateblock,
+        unsigned int start_idx, unsigned int count, const struct wined3d_vec4 *constants);
 void __cdecl wined3d_stateblock_set_vertex_declaration(struct wined3d_stateblock *stateblock,
         struct wined3d_vertex_declaration *declaration);
 void __cdecl wined3d_stateblock_set_vertex_shader(struct wined3d_stateblock *stateblock, struct wined3d_shader *shader);