From 1d8d8c06b8eb5688a2af22ef5a91f1c4d5f21726 Mon Sep 17 00:00:00 2001
From: Iago Toral Quiroga <itoral@igalia.com>
Date: Tue, 10 Dec 2019 09:03:49 +0100
Subject: [PATCH] v3dv: implement vkCreateCommandPool

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
---
 src/broadcom/vulkan/meson.build       |  1 +
 src/broadcom/vulkan/v3dv_cmd_buffer.c | 67 +++++++++++++++++++++++++++
 src/broadcom/vulkan/v3dv_private.h    |  6 +++
 3 files changed, 74 insertions(+)
 create mode 100644 src/broadcom/vulkan/v3dv_cmd_buffer.c

diff --git a/src/broadcom/vulkan/meson.build b/src/broadcom/vulkan/meson.build
index 70da4c28986..89d032af2bb 100644
--- a/src/broadcom/vulkan/meson.build
+++ b/src/broadcom/vulkan/meson.build
@@ -52,6 +52,7 @@ v3dv_extensions_h = custom_target(
 )
 
 libv3dv_files = files(
+  'v3dv_cmd_buffer.c',
   'v3dv_debug.c',
   'v3dv_debug.h',
   'v3dv_descriptor_set.c',
diff --git a/src/broadcom/vulkan/v3dv_cmd_buffer.c b/src/broadcom/vulkan/v3dv_cmd_buffer.c
new file mode 100644
index 00000000000..c84b5ad6bbc
--- /dev/null
+++ b/src/broadcom/vulkan/v3dv_cmd_buffer.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 2019 Raspberry Pi
+ *
+ * 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.
+ */
+
+#include "v3dv_private.h"
+
+VkResult
+v3dv_CreateCommandPool(VkDevice _device,
+                       const VkCommandPoolCreateInfo *pCreateInfo,
+                       const VkAllocationCallbacks *pAllocator,
+                       VkCommandPool *pCmdPool)
+{
+   V3DV_FROM_HANDLE(v3dv_device, device, _device);
+   struct v3dv_cmd_pool *pool;
+
+   /* We only support one queue */
+   assert(pCreateInfo->queueFamilyIndex == 0);
+
+   pool = vk_alloc2(&device->alloc, pAllocator, sizeof(*pool), 8,
+                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (pool == NULL)
+      return vk_error(device->instance, VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   if (pAllocator)
+      pool->alloc = *pAllocator;
+   else
+      pool->alloc = device->alloc;
+
+   list_inithead(&pool->cmd_buffers);
+
+   *pCmdPool = v3dv_cmd_pool_to_handle(pool);
+
+   return VK_SUCCESS;
+}
+
+void
+v3dv_DestroyCommandPool(VkDevice _device,
+                        VkCommandPool commandPool,
+                        const VkAllocationCallbacks *pAllocator)
+{
+   V3DV_FROM_HANDLE(v3dv_device, device, _device);
+   V3DV_FROM_HANDLE(v3dv_cmd_pool, pool, commandPool);
+
+   if (!pool)
+      return;
+
+   vk_free2(&device->alloc, pAllocator, pool);
+}
diff --git a/src/broadcom/vulkan/v3dv_private.h b/src/broadcom/vulkan/v3dv_private.h
index 42e10f3b17d..c0200c105c1 100644
--- a/src/broadcom/vulkan/v3dv_private.h
+++ b/src/broadcom/vulkan/v3dv_private.h
@@ -343,6 +343,11 @@ struct v3dv_framebuffer {
    struct v3dv_image_view *attachments[0];
 };
 
+struct v3dv_cmd_pool {
+   VkAllocationCallbacks alloc;
+   struct list_head cmd_buffers;
+};
+
 struct v3dv_shader_module {
    unsigned char sha1[20];
    uint32_t size;
@@ -440,6 +445,7 @@ V3DV_DEFINE_HANDLE_CASTS(v3dv_instance, VkInstance)
 V3DV_DEFINE_HANDLE_CASTS(v3dv_physical_device, VkPhysicalDevice)
 V3DV_DEFINE_HANDLE_CASTS(v3dv_queue, VkQueue)
 
+V3DV_DEFINE_NONDISP_HANDLE_CASTS(v3dv_cmd_pool, VkCommandPool)
 V3DV_DEFINE_NONDISP_HANDLE_CASTS(v3dv_buffer, VkBuffer)
 V3DV_DEFINE_NONDISP_HANDLE_CASTS(v3dv_device_memory, VkDeviceMemory)
 V3DV_DEFINE_NONDISP_HANDLE_CASTS(v3dv_framebuffer, VkFramebuffer)