From 48e85642357b3b1363939f59925391e21d4ed736 Mon Sep 17 00:00:00 2001
From: Iago Toral Quiroga <itoral@igalia.com>
Date: Thu, 25 Aug 2022 09:56:53 +0200
Subject: [PATCH] v3dv: implement vkGetDeviceBufferMemoryRequirementsKHR
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Added with VK_KHR_maintenance4.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18246>
---
 src/broadcom/vulkan/v3dv_device.c | 33 +++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/src/broadcom/vulkan/v3dv_device.c b/src/broadcom/vulkan/v3dv_device.c
index 7ffef1d1621..737dc3f9a3f 100644
--- a/src/broadcom/vulkan/v3dv_device.c
+++ b/src/broadcom/vulkan/v3dv_device.c
@@ -2562,6 +2562,16 @@ v3dv_BindImageMemory2(VkDevice _device,
    return VK_SUCCESS;
 }
 
+static void
+buffer_init(struct v3dv_device *device,
+            const VkBufferCreateInfo *pCreateInfo,
+            struct v3dv_buffer *buffer)
+{
+   buffer->size = pCreateInfo->size;
+   buffer->usage = pCreateInfo->usage;
+   buffer->alignment = V3D_NON_COHERENT_ATOM_SIZE;
+}
+
 static void
 get_buffer_memory_requirements(struct v3dv_buffer *buffer,
                                VkMemoryRequirements2 *pMemoryRequirements)
@@ -2597,6 +2607,19 @@ v3dv_GetBufferMemoryRequirements2(VkDevice device,
    get_buffer_memory_requirements(buffer, pMemoryRequirements);
 }
 
+VKAPI_ATTR void VKAPI_CALL
+v3dv_GetDeviceBufferMemoryRequirementsKHR(
+    VkDevice _device,
+    const VkDeviceBufferMemoryRequirements *pInfo,
+    VkMemoryRequirements2 *pMemoryRequirements)
+{
+   V3DV_FROM_HANDLE(v3dv_device, device, _device);
+
+   struct v3dv_buffer buffer = { 0 };
+   buffer_init(device, pInfo->pCreateInfo, &buffer);
+   get_buffer_memory_requirements(&buffer, pMemoryRequirements);
+}
+
 static void
 bind_buffer_memory(const VkBindBufferMemoryInfo *info)
 {
@@ -2628,16 +2651,6 @@ v3dv_BindBufferMemory2(VkDevice device,
    return VK_SUCCESS;
 }
 
-static void
-buffer_init(struct v3dv_device *device,
-            const VkBufferCreateInfo *pCreateInfo,
-            struct v3dv_buffer *buffer)
-{
-   buffer->size = pCreateInfo->size;
-   buffer->usage = pCreateInfo->usage;
-   buffer->alignment = V3D_NON_COHERENT_ATOM_SIZE;
-}
-
 VKAPI_ATTR VkResult VKAPI_CALL
 v3dv_CreateBuffer(VkDevice  _device,
                   const VkBufferCreateInfo *pCreateInfo,