wined3d: Do not pass an offset and size to wined3d_bo_gl_map().

dlls/wined3d/context_gl.c

@@ -2669,8 +2669,7 @@ void wined3d_context_gl_submit_command_fence(struct wined3d_context_gl *context_
     wined3d_context_gl_poll_fences(context_gl);
 }
 
-static void *wined3d_bo_gl_map(struct wined3d_bo_gl *bo,
-        struct wined3d_context_gl *context_gl, size_t offset, size_t size, uint32_t flags)
+static void *wined3d_bo_gl_map(struct wined3d_bo_gl *bo, struct wined3d_context_gl *context_gl, uint32_t flags)
 {
     struct wined3d_device_gl *device_gl = wined3d_device_gl(context_gl->c.device);
     const struct wined3d_gl_info *gl_info;
@@ -2712,13 +2711,11 @@ map:
 
     if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
     {
-        if ((map_ptr = GL_EXTCALL(glMapBufferRange(bo->binding, 0, bo->size, wined3d_resource_gl_map_flags(bo, flags)))))
-            map_ptr += offset;
+        map_ptr = GL_EXTCALL(glMapBufferRange(bo->binding, 0, bo->size, wined3d_resource_gl_map_flags(bo, flags)));
     }
     else
     {
-        if ((map_ptr = GL_EXTCALL(glMapBuffer(bo->binding, wined3d_resource_gl_legacy_map_flags(flags)))))
-            map_ptr += offset;
+        map_ptr = GL_EXTCALL(glMapBuffer(bo->binding, wined3d_resource_gl_legacy_map_flags(flags)));
     }
 
     wined3d_context_gl_bind_bo(context_gl, bo->binding, 0);
@@ -2736,10 +2733,13 @@ void *wined3d_context_gl_map_bo_address(struct wined3d_context_gl *context_gl,
     if (!(bo = data->buffer_object))
         return data->addr;
 
-    if (!(map_ptr = wined3d_bo_gl_map(wined3d_bo_gl(bo), context_gl, (uintptr_t)data->addr, size, flags)))
+    if (!(map_ptr = wined3d_bo_gl_map(wined3d_bo_gl(bo), context_gl, flags)))
+    {
         ERR("Failed to map bo.\n");
+        return NULL;
+    }
 
-    return map_ptr;
+    return (uint8_t *)map_ptr + (uintptr_t)data->addr;
 }
 
 static void flush_bo_ranges(struct wined3d_context_gl *context_gl, const struct wined3d_const_bo_address *data,