vulkan: Add a vk_limits.h file for runtime limits

Individual driver limits may be smaller than these.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17328>

src/vulkan/runtime/vk_command_buffer.h

@@ -25,6 +25,7 @@
 #define VK_COMMAND_BUFFER_H
 
 #include "vk_cmd_queue.h"
+#include "vk_limits.h"
 #include "vk_object.h"
 #include "util/list.h"
 #include "util/u_dynarray.h"
@@ -38,11 +39,6 @@ struct vk_framebuffer;
 struct vk_image_view;
 struct vk_render_pass;
 
-/* Since VkSubpassDescription2::viewMask is a 32-bit integer, there are a
- * maximum of 32 possible views.
- */
-#define MESA_VK_MAX_MULTIVIEW_VIEW_COUNT 32
-
 struct vk_attachment_view_state {
    VkImageLayout layout;
    VkImageLayout stencil_layout;

src/vulkan/runtime/vk_limits.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright © 2022 Collabora, LTD
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef VK_LIMITS_H
+#define VK_LIMITS_H
+
+/* Since VkSubpassDescription2::viewMask is a 32-bit integer, there are a
+ * maximum of 32 possible views.
+ */
+#define MESA_VK_MAX_MULTIVIEW_VIEW_COUNT 32
+
+#endif /* VK_LIMITS_H */