From 131f4ca7cc80fb71ec8dd07c8e15c60136718b6c Mon Sep 17 00:00:00 2001
From: Lucas Fryzek <lfryzek@igalia.com>
Date: Tue, 19 Aug 2025 07:49:18 -0400
Subject: [PATCH] vulkan/android: Add rp_attachment_has_external_format helper

Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37177>
---
 src/vulkan/runtime/vk_android.c | 10 ++++++++++
 src/vulkan/runtime/vk_android.h | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/vulkan/runtime/vk_android.c b/src/vulkan/runtime/vk_android.c
index 86d79c937de..505ada00b46 100644
--- a/src/vulkan/runtime/vk_android.c
+++ b/src/vulkan/runtime/vk_android.c
@@ -1061,4 +1061,14 @@ vk_android_get_ahb_buffer_properties(
    };
 }
 
+bool vk_android_rp_attachment_has_external_format(
+   const VkAttachmentDescription2 *desc)
+{
+   const VkExternalFormatANDROID *format_info =
+      vk_find_struct_const(desc->pNext,
+                           EXTERNAL_FORMAT_ANDROID);
+   return (desc->format == VK_FORMAT_UNDEFINED) &&
+          (format_info != NULL);
+}
+
 #endif /* ANDROID_API_LEVEL >= 26 */
diff --git a/src/vulkan/runtime/vk_android.h b/src/vulkan/runtime/vk_android.h
index cfd6f83e8ad..05258786b8d 100644
--- a/src/vulkan/runtime/vk_android.h
+++ b/src/vulkan/runtime/vk_android.h
@@ -110,6 +110,9 @@ void vk_android_get_ahb_buffer_properties(
    const VkPhysicalDeviceExternalBufferInfo *info,
    VkExternalBufferProperties *props);
 
+bool vk_android_rp_attachment_has_external_format(
+   const VkAttachmentDescription2 *desc);
+
 #else /* defined(VK_USE_PLATFORM_ANDROID_KHR) && ANDROID_API_LEVEL >= 26 */
 
 static inline uint64_t
@@ -169,6 +172,13 @@ vk_android_get_ahb_buffer_properties(
 {
 }
 
+static bool
+vk_android_rp_attachment_has_external_format(
+   const VkAttachmentDescription2 *desc)
+{
+   return false;
+}
+
 #endif /* ANDROID_API_LEVEL >= 26 */
 
 #ifdef __cplusplus