vulkan: Plumb rendering flags through vk_graphics_pipeline_state

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22191>

src/vulkan/runtime/vk_graphics_state.c

@@ -976,17 +976,34 @@ vk_render_pass_state_init(struct vk_render_pass_state *rp,
                           const struct vk_subpass_info *sp_info,
                           VkGraphicsPipelineLibraryFlagsEXT lib)
 {
+   VkPipelineCreateFlags valid_pipeline_flags = 0;
+   if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_SHADER_BIT_EXT) {
+      valid_pipeline_flags |=
+         VK_PIPELINE_CREATE_RENDERING_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR |
+         VK_PIPELINE_CREATE_RENDERING_FRAGMENT_DENSITY_MAP_ATTACHMENT_BIT_EXT;
+   }
+   if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT) {
+      valid_pipeline_flags |=
+         VK_PIPELINE_CREATE_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT |
+         VK_PIPELINE_CREATE_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT;
+   }
+   const VkPipelineCreateFlags pipeline_flags =
+      vk_get_pipeline_rendering_flags(info) & valid_pipeline_flags;
+
    /* If we already have render pass state and it has attachment info, then
-    * it's complete and we don't need a new one.
+    * it's complete and we don't need a new one.  The one caveat here is that
+    * we may need to add in some rendering flags.
     */
    if (old_rp != NULL && vk_render_pass_state_is_complete(old_rp)) {
       *rp = *old_rp;
+      rp->pipeline_flags |= pipeline_flags;
       return;
    }
 
    *rp = (struct vk_render_pass_state) {
       .render_pass = info->renderPass,
       .subpass = info->subpass,
+      .pipeline_flags = pipeline_flags,
       .depth_attachment_format = VK_FORMAT_UNDEFINED,
       .stencil_attachment_format = VK_FORMAT_UNDEFINED,
    };

src/vulkan/runtime/vk_graphics_state.h

@@ -650,6 +650,13 @@ struct vk_render_pass_state {
    /** VkPipelineRenderingCreateInfo::viewMask */
    uint32_t view_mask;
 
+   /** Render pass flags from VkGraphicsPipelineCreateInfo::flags
+    *
+    * For drivers which use vk_render_pass, this will also include flags
+    * generated based on subpass self-dependencies and fragment density map.
+    */
+   VkPipelineCreateFlags pipeline_flags;
+
    /** VkRenderingSelfDependencyInfoMESA::colorSelfDependencies */
    uint8_t color_self_dependencies;