d3dx9: ID3DXConstantTable::SetFloat shouldn't change the value of matrix and vector constants.

dlls/d3dx9_36/shader.c

@@ -873,6 +873,9 @@ static HRESULT set_scalar_array(ID3DXConstantTable *iface, IDirect3DDevice9 *dev
         return D3DERR_INVALIDCALL;
     }
 
+    if (desc.Class != D3DXPC_SCALAR)
+        return D3D_OK;
+
     switch (desc.RegisterSet)
     {
         case D3DXRS_FLOAT4:

dlls/d3dx9_36/tests/shader.c

@@ -623,7 +623,7 @@ static void test_setting_basic_table(IDirect3DDevice9 *device)
             out[0], out[1], out[2], out[3], f);
 
     IDirect3DDevice9_GetVertexShaderConstantF(device, 7, out, 1);
-    ok(memcmp(out, (void*)&f4, sizeof(f4)) == 0,
+    ok(memcmp(out, &f4, sizeof(f4)) == 0,
             "The variable f4 was not set correctly, out={%f, %f, %f, %f}, should be {%f, %f, %f, %f}\n",
             out[0], out[1], out[2], out[3], f4.x, f4.y, f4.z, f4.w);
 
@@ -649,6 +649,7 @@ static void test_setting_basic_table(IDirect3DDevice9 *device)
     /* Clear registers */
     memset(out, 0, sizeof(out));
     IDirect3DDevice9_SetVertexShaderConstantF(device, 0, out, 4);
+    IDirect3DDevice9_SetVertexShaderConstantF(device, 7, out, 1);
 
     /* SetVector shouldn't change the value of a matrix constant */
     res = ID3DXConstantTable_SetVector(ctable, device, "mvp", &f4);
@@ -667,6 +668,31 @@ static void test_setting_basic_table(IDirect3DDevice9 *device)
             out[8], out[9], out[10], out[11],
             out[12], out[13], out[14], out[15]);
 
+    res = ID3DXConstantTable_SetFloat(ctable, device, "mvp", f);
+    ok(res == D3D_OK, "ID3DXConstantTable_SetFloat failed on variable mvp: 0x%08x\n", res);
+
+    IDirect3DDevice9_GetVertexShaderConstantF(device, 0, out, 4);
+    ok(out[0] == 0.0f && out[1] == 0.0f && out[2] == 0.0f && out[3] == 0.0f
+            && out[4] == 0.0f && out[5] == 0.0f && out[6] == 0.0f && out[7] == 0.0f
+            && out[8] == 0.0f && out[9] == 0.0f && out[10] == 0.0f && out[11] == 0.0f
+            && out[12] == 0.0f && out[13] == 0.0f && out[14] == 0.0f && out[15] == 0.0f,
+            "The variable mvp was not set correctly by ID3DXConstantTable_SetFloat, "
+            "got {%f, %f, %f, %f; %f, %f, %f, %f; %f, %f, %f %f; %f, %f, %f, %f}, "
+            "should be all 0.0f\n",
+            out[0], out[1], out[2], out[3],
+            out[4], out[5], out[6], out[7],
+            out[8], out[9], out[10], out[11],
+            out[12], out[13], out[14], out[15]);
+
+    res = ID3DXConstantTable_SetFloat(ctable, device, "f4", f);
+    ok(res == D3D_OK, "ID3DXConstantTable_SetFloat failed on variable f4: 0x%08x\n", res);
+
+    IDirect3DDevice9_GetVertexShaderConstantF(device, 7, out, 1);
+    ok(out[0] == 0.0f && out[1] == 0.0f && out[2] == 0.0f && out[3] == 0.0f,
+            "The variable f4 was not set correctly by ID3DXConstantTable_SetFloat, "
+            "got {%f, %f, %f, %f}, should be all 0.0f\n",
+            out[0], out[1], out[2], out[3]);
+
     refcnt = ID3DXConstantTable_Release(ctable);
     ok(refcnt == 0, "The constant table reference count was %u, should be 0\n", refcnt);
 }