diff --git a/dlls/wined3d/adapter_gl.c b/dlls/wined3d/adapter_gl.c
index 0415099439c..5ffa6fdff6f 100644
--- a/dlls/wined3d/adapter_gl.c
+++ b/dlls/wined3d/adapter_gl.c
@@ -4588,15 +4588,27 @@ static void adapter_gl_uninit_3d(struct wined3d_device *device)
 }
 
 static void *adapter_gl_map_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, size_t size, GLenum binding, uint32_t flags)
+        const struct wined3d_bo_address *data, size_t size, uint32_t bind_flags, uint32_t map_flags)
 {
-    return wined3d_context_gl_map_bo_address(wined3d_context_gl(context), data, size, binding, flags);
+    struct wined3d_context_gl *context_gl;
+    GLenum binding;
+
+    context_gl = wined3d_context_gl(context);
+    binding = wined3d_buffer_gl_binding_from_bind_flags(context_gl->gl_info, bind_flags);
+
+    return wined3d_context_gl_map_bo_address(context_gl, data, size, binding, map_flags);
 }
 
 static void adapter_gl_unmap_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, GLenum binding)
+        const struct wined3d_bo_address *data, uint32_t bind_flags)
 {
-    return wined3d_context_gl_unmap_bo_address(wined3d_context_gl(context), data, binding);
+    struct wined3d_context_gl *context_gl;
+    GLenum binding;
+
+    context_gl = wined3d_context_gl(context);
+    binding = wined3d_buffer_gl_binding_from_bind_flags(context_gl->gl_info, bind_flags);
+
+    wined3d_context_gl_unmap_bo_address(context_gl, data, binding);
 }
 
 static HRESULT adapter_gl_create_swapchain(struct wined3d_device *device, struct wined3d_swapchain_desc *desc,
diff --git a/dlls/wined3d/adapter_vk.c b/dlls/wined3d/adapter_vk.c
index ef2734f0551..3480cf80d91 100644
--- a/dlls/wined3d/adapter_vk.c
+++ b/dlls/wined3d/adapter_vk.c
@@ -472,7 +472,7 @@ static void adapter_vk_uninit_3d(struct wined3d_device *device)
 }
 
 static void *adapter_vk_map_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, size_t size, GLenum binding, uint32_t flags)
+        const struct wined3d_bo_address *data, size_t size, uint32_t bind_flags, uint32_t map_flags)
 {
     if (data->buffer_object)
     {
@@ -484,7 +484,7 @@ static void *adapter_vk_map_bo_address(struct wined3d_context *context,
 }
 
 static void adapter_vk_unmap_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, GLenum binding)
+        const struct wined3d_bo_address *data, uint32_t bind_flags)
 {
     if (data->buffer_object)
         ERR("Unsupported buffer object %#lx.\n", data->buffer_object);
diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index 8d72b782dfa..c7be6510993 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -1288,9 +1288,11 @@ static const struct wined3d_resource_ops buffer_resource_ops =
     buffer_resource_sub_resource_unmap,
 };
 
-static GLenum buffer_type_hint_from_bind_flags(const struct wined3d_gl_info *gl_info,
-        unsigned int bind_flags)
+GLenum wined3d_buffer_gl_binding_from_bind_flags(const struct wined3d_gl_info *gl_info, uint32_t bind_flags)
 {
+    if (!bind_flags)
+        return GL_PIXEL_UNPACK_BUFFER;
+
     if (bind_flags == WINED3D_BIND_INDEX_BUFFER)
         return GL_ELEMENT_ARRAY_BUFFER;
 
@@ -1536,7 +1538,7 @@ HRESULT wined3d_buffer_gl_init(struct wined3d_buffer_gl *buffer_gl, struct wined
     TRACE("buffer_gl %p, device %p, desc %p, data %p, parent %p, parent_ops %p.\n",
             buffer_gl, device, desc, data, parent, parent_ops);
 
-    buffer_gl->buffer_type_hint = buffer_type_hint_from_bind_flags(gl_info, desc->bind_flags);
+    buffer_gl->buffer_type_hint = wined3d_buffer_gl_binding_from_bind_flags(gl_info, desc->bind_flags);
 
     return wined3d_buffer_init(&buffer_gl->b, device, desc, data, parent, parent_ops, &wined3d_buffer_gl_ops);
 }
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 8cb83ee884c..27898b8a112 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -2354,7 +2354,7 @@ static void adapter_no3d_uninit_3d(struct wined3d_device *device)
 }
 
 static void *adapter_no3d_map_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, size_t size, GLenum binding, uint32_t flags)
+        const struct wined3d_bo_address *data, size_t size, uint32_t bind_flags, uint32_t map_flags)
 {
     if (data->buffer_object)
     {
@@ -2366,7 +2366,7 @@ static void *adapter_no3d_map_bo_address(struct wined3d_context *context,
 }
 
 static void adapter_no3d_unmap_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, GLenum binding)
+        const struct wined3d_bo_address *data, uint32_t bind_flags)
 {
     if (data->buffer_object)
         ERR("Unsupported buffer object %#lx.\n", data->buffer_object);
diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 4a3ecf9863a..ded5b53c852 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -658,15 +658,15 @@ static struct wined3d_texture *surface_convert_format(struct wined3d_texture *sr
         wined3d_texture_get_memory(dst_texture, 0, &dst_data, map_binding);
 
         src = wined3d_context_map_bo_address(context, &src_data,
-                src_texture->sub_resources[sub_resource_idx].size, GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_READ);
+                src_texture->sub_resources[sub_resource_idx].size, 0, WINED3D_MAP_READ);
         dst = wined3d_context_map_bo_address(context, &dst_data,
-                dst_texture->sub_resources[0].size, GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_WRITE);
+                dst_texture->sub_resources[0].size, 0, WINED3D_MAP_WRITE);
 
         conv->convert(src, dst, src_row_pitch, dst_row_pitch, desc.width, desc.height);
 
         wined3d_texture_invalidate_location(dst_texture, 0, ~map_binding);
-        wined3d_context_unmap_bo_address(context, &dst_data, GL_PIXEL_UNPACK_BUFFER);
-        wined3d_context_unmap_bo_address(context, &src_data, GL_PIXEL_UNPACK_BUFFER);
+        wined3d_context_unmap_bo_address(context, &dst_data, 0);
+        wined3d_context_unmap_bo_address(context, &src_data, 0);
     }
     else
     {
@@ -1662,8 +1662,7 @@ static HRESULT surface_cpu_blt(struct wined3d_texture *dst_texture, unsigned int
         wined3d_texture_get_pitch(dst_texture, texture_level, &dst_map.row_pitch, &dst_map.slice_pitch);
         wined3d_texture_get_memory(dst_texture, dst_sub_resource_idx, &dst_data, map_binding);
         dst_map.data = wined3d_context_map_bo_address(context, &dst_data,
-                dst_texture->sub_resources[dst_sub_resource_idx].size,
-                GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_READ | WINED3D_MAP_WRITE);
+                dst_texture->sub_resources[dst_sub_resource_idx].size, 0, WINED3D_MAP_READ | WINED3D_MAP_WRITE);
 
         src_map = dst_map;
         src_format = dst_texture->resource.format;
@@ -1698,7 +1697,7 @@ static HRESULT surface_cpu_blt(struct wined3d_texture *dst_texture, unsigned int
         wined3d_texture_get_pitch(src_texture, texture_level, &src_map.row_pitch, &src_map.slice_pitch);
         wined3d_texture_get_memory(src_texture, src_sub_resource_idx, &src_data, map_binding);
         src_map.data = wined3d_context_map_bo_address(context, &src_data,
-                src_texture->sub_resources[src_sub_resource_idx].size, GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_READ);
+                src_texture->sub_resources[src_sub_resource_idx].size, 0, WINED3D_MAP_READ);
 
         map_binding = dst_texture->resource.map_binding;
         texture_level = dst_sub_resource_idx % dst_texture->level_count;
@@ -1708,7 +1707,7 @@ static HRESULT surface_cpu_blt(struct wined3d_texture *dst_texture, unsigned int
         wined3d_texture_get_pitch(dst_texture, texture_level, &dst_map.row_pitch, &dst_map.slice_pitch);
         wined3d_texture_get_memory(dst_texture, dst_sub_resource_idx, &dst_data, map_binding);
         dst_map.data = wined3d_context_map_bo_address(context, &dst_data,
-                dst_texture->sub_resources[dst_sub_resource_idx].size, GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_WRITE);
+                dst_texture->sub_resources[dst_sub_resource_idx].size, 0, WINED3D_MAP_WRITE);
     }
     flags &= ~WINED3D_BLT_RAW;
 
@@ -2084,9 +2083,9 @@ error:
         FIXME("    Unsupported flags %#x.\n", flags);
 
 release:
-    wined3d_context_unmap_bo_address(context, &dst_data, GL_PIXEL_UNPACK_BUFFER);
+    wined3d_context_unmap_bo_address(context, &dst_data, 0);
     if (!same_sub_resource)
-        wined3d_context_unmap_bo_address(context, &src_data, GL_PIXEL_UNPACK_BUFFER);
+        wined3d_context_unmap_bo_address(context, &src_data, 0);
     if (SUCCEEDED(hr) && dst_texture->swapchain && dst_texture->swapchain->front_buffer == dst_texture)
     {
         SetRect(&dst_texture->swapchain->front_buffer_update,
@@ -2157,7 +2156,7 @@ static void surface_cpu_blt_colour_fill(struct wined3d_rendertarget_view *view,
     wined3d_texture_get_pitch(texture, level, &map.row_pitch, &map.slice_pitch);
     wined3d_texture_get_memory(texture, view->sub_resource_idx, &data, map_binding);
     map.data = wined3d_context_map_bo_address(context, &data,
-            texture->sub_resources[view->sub_resource_idx].size, GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_WRITE);
+            texture->sub_resources[view->sub_resource_idx].size, 0, WINED3D_MAP_WRITE);
     map.data = (BYTE *)map.data
             + (box->front * map.slice_pitch)
             + ((box->top / view->format->block_height) * map.row_pitch)
@@ -2217,7 +2216,7 @@ static void surface_cpu_blt_colour_fill(struct wined3d_rendertarget_view *view,
         memcpy(dst, map.data, w * h * bpp);
     }
 
-    wined3d_context_unmap_bo_address(context, &data, GL_PIXEL_UNPACK_BUFFER);
+    wined3d_context_unmap_bo_address(context, &data, 0);
     context_release(context);
 }
 
diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 380aff5016f..7bb0dd0a10d 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -749,8 +749,7 @@ static void wined3d_texture_create_dc(void *object)
         if (!context)
             context = context_acquire(device, NULL, 0);
         desc.pMemory = wined3d_context_map_bo_address(context, &data,
-                texture->sub_resources[sub_resource_idx].size,
-                GL_PIXEL_UNPACK_BUFFER, WINED3D_MAP_READ | WINED3D_MAP_WRITE);
+                texture->sub_resources[sub_resource_idx].size, 0, WINED3D_MAP_READ | WINED3D_MAP_WRITE);
     }
     else
     {
@@ -818,7 +817,7 @@ static void wined3d_texture_destroy_dc(void *object)
     if (data.buffer_object)
     {
         context = context_acquire(device, NULL, 0);
-        wined3d_context_unmap_bo_address(context, &data, GL_PIXEL_UNPACK_BUFFER);
+        wined3d_context_unmap_bo_address(context, &data, 0);
         context_release(context);
     }
 }
@@ -2962,8 +2961,7 @@ static HRESULT texture_resource_sub_resource_map(struct wined3d_resource *resour
         wined3d_texture_invalidate_location(texture, sub_resource_idx, ~resource->map_binding);
 
     wined3d_texture_get_memory(texture, sub_resource_idx, &data, resource->map_binding);
-    base_memory = wined3d_context_map_bo_address(context, &data,
-            sub_resource->size, GL_PIXEL_UNPACK_BUFFER, flags);
+    base_memory = wined3d_context_map_bo_address(context, &data, sub_resource->size, 0, flags);
     TRACE("Base memory pointer %p.\n", base_memory);
 
     context_release(context);
@@ -3047,7 +3045,7 @@ static HRESULT texture_resource_sub_resource_unmap(struct wined3d_resource *reso
     context = context_acquire(device, NULL, 0);
 
     wined3d_texture_get_memory(texture, sub_resource_idx, &data, texture->resource.map_binding);
-    wined3d_context_unmap_bo_address(context, &data, GL_PIXEL_UNPACK_BUFFER);
+    wined3d_context_unmap_bo_address(context, &data, 0);
 
     context_release(context);
 
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 58977f8cd12..3dc54696812 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2812,9 +2812,9 @@ struct wined3d_adapter_ops
     HRESULT (*adapter_init_3d)(struct wined3d_device *device);
     void (*adapter_uninit_3d)(struct wined3d_device *device);
     void *(*adapter_map_bo_address)(struct wined3d_context *context,
-            const struct wined3d_bo_address *data, size_t size, GLenum binding, uint32_t flags);
+            const struct wined3d_bo_address *data, size_t size, uint32_t bind_flags, uint32_t map_flags);
     void (*adapter_unmap_bo_address)(struct wined3d_context *context,
-            const struct wined3d_bo_address *data, GLenum binding);
+            const struct wined3d_bo_address *data, uint32_t bind_flags);
     HRESULT (*adapter_create_swapchain)(struct wined3d_device *device, struct wined3d_swapchain_desc *desc,
             void *parent, const struct wined3d_parent_ops *parent_ops, struct wined3d_swapchain **swapchain);
     void (*adapter_destroy_swapchain)(struct wined3d_swapchain *swapchain);
@@ -4225,6 +4225,8 @@ static inline struct wined3d_buffer_gl *wined3d_buffer_gl(struct wined3d_buffer
     return CONTAINING_RECORD(buffer, struct wined3d_buffer_gl, b);
 }
 
+GLenum wined3d_buffer_gl_binding_from_bind_flags(const struct wined3d_gl_info *gl_info,
+        uint32_t bind_flags) DECLSPEC_HIDDEN;
 void wined3d_buffer_gl_destroy_buffer_object(struct wined3d_buffer_gl *buffer_gl,
         struct wined3d_context_gl *context_gl) DECLSPEC_HIDDEN;
 HRESULT wined3d_buffer_gl_init(struct wined3d_buffer_gl *buffer_gl, struct wined3d_device *device,
@@ -5250,15 +5252,15 @@ static inline float wined3d_get_float_state(const struct wined3d_state *state, e
 }
 
 static inline void *wined3d_context_map_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, size_t size, GLenum binding, uint32_t flags)
+        const struct wined3d_bo_address *data, size_t size, uint32_t bind_flags, uint32_t map_flags)
 {
-    return context->device->adapter->adapter_ops->adapter_map_bo_address(context, data, size, binding, flags);
+    return context->device->adapter->adapter_ops->adapter_map_bo_address(context, data, size, bind_flags, map_flags);
 }
 
 static inline void wined3d_context_unmap_bo_address(struct wined3d_context *context,
-        const struct wined3d_bo_address *data, GLenum binding)
+        const struct wined3d_bo_address *data, uint32_t bind_flags)
 {
-    return context->device->adapter->adapter_ops->adapter_unmap_bo_address(context, data, binding);
+    context->device->adapter->adapter_ops->adapter_unmap_bo_address(context, data, bind_flags);
 }
 
 /* The WNDCLASS-Name for the fake window which we use to retrieve the GL capabilities */