Mesa (main): vulkan: Add a common implementation of pipeline layouts

GitLab Mirror gitlab-mirror at kemper.freedesktop.org
Wed Jun 29 21:01:19 UTC 2022


Module: Mesa
Branch: main
Commit: e6c75bcd9c549721a6717ffdf7026e80e6f153dc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e6c75bcd9c549721a6717ffdf7026e80e6f153dc

Author: Jason Ekstrand <jason.ekstrand at collabora.com>
Date:   Tue Jun 28 11:03:42 2022 -0500

vulkan: Add a common implementation of pipeline layouts

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Jesse Natalie <jenatali at microsoft.com>
Reviewed-by: Boris Brezillon <boris.brezillon at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17286>

---

 src/vulkan/runtime/meson.build          |   2 +
 src/vulkan/runtime/vk_pipeline_layout.c | 141 ++++++++++++++++++++++++++++++++
 src/vulkan/runtime/vk_pipeline_layout.h | 113 +++++++++++++++++++++++++
 3 files changed, 256 insertions(+)

diff --git a/src/vulkan/runtime/meson.build b/src/vulkan/runtime/meson.build
index acbe34ece7c..1f5a9633190 100644
--- a/src/vulkan/runtime/meson.build
+++ b/src/vulkan/runtime/meson.build
@@ -64,6 +64,8 @@ vulkan_runtime_files = files(
   'vk_pipeline_cache.h',
   'vk_physical_device.c',
   'vk_physical_device.h',
+  'vk_pipeline_layout.c',
+  'vk_pipeline_layout.h',
   'vk_queue.c',
   'vk_queue.h',
   'vk_render_pass.c',
diff --git a/src/vulkan/runtime/vk_pipeline_layout.c b/src/vulkan/runtime/vk_pipeline_layout.c
new file mode 100644
index 00000000000..4ea1672376c
--- /dev/null
+++ b/src/vulkan/runtime/vk_pipeline_layout.c
@@ -0,0 +1,141 @@
+/*
+ * 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.
+ */
+
+#include "vk_pipeline_layout.h"
+
+#include "vk_alloc.h"
+#include "vk_common_entrypoints.h"
+#include "vk_descriptor_set_layout.h"
+#include "vk_device.h"
+#include "vk_log.h"
+
+#include "util/mesa-sha1.h"
+
+static void
+vk_pipeline_layout_init(struct vk_device *device,
+                        struct vk_pipeline_layout *layout,
+                        const VkPipelineLayoutCreateInfo *pCreateInfo)
+{
+   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO);
+   assert(pCreateInfo->setLayoutCount <= VK_MESA_PIPELINE_LAYOUT_MAX_SETS);
+
+   vk_object_base_init(device, &layout->base, VK_OBJECT_TYPE_PIPELINE_LAYOUT);
+
+   layout->ref_cnt = 1;
+   layout->create_flags = pCreateInfo->flags;
+   layout->set_count = pCreateInfo->setLayoutCount;
+   layout->destroy = vk_pipeline_layout_destroy;
+
+   for (uint32_t s = 0; s < pCreateInfo->setLayoutCount; s++) {
+      VK_FROM_HANDLE(vk_descriptor_set_layout, set_layout,
+                     pCreateInfo->pSetLayouts[s]);
+
+      if (set_layout == NULL) {
+         assert(layout->create_flags &
+                VK_PIPELINE_LAYOUT_CREATE_INDEPENDENT_SETS_BIT_EXT);
+         continue;
+      }
+
+      layout->set_layouts[s] = vk_descriptor_set_layout_ref(set_layout);
+   }
+}
+
+void *
+vk_pipeline_layout_zalloc(struct vk_device *device, size_t size,
+                          const VkPipelineLayoutCreateInfo *pCreateInfo)
+{
+   /* Because we're reference counting and lifetimes may not be what the
+    * client expects, these have to be allocated off the device and not as
+    * their own object.
+    */
+   struct vk_pipeline_layout *layout =
+      vk_zalloc(&device->alloc, size, 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (layout == NULL)
+      return NULL;
+
+   vk_pipeline_layout_init(device, layout, pCreateInfo);
+   return layout;
+}
+
+void *
+vk_pipeline_layout_multizalloc(struct vk_device *device,
+                               struct vk_multialloc *ma,
+                               const VkPipelineLayoutCreateInfo *pCreateInfo)
+{
+   struct vk_pipeline_layout *layout =
+      vk_multialloc_zalloc(ma, &device->alloc,
+                           VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
+   if (layout == NULL)
+      return NULL;
+
+   vk_pipeline_layout_init(device, layout, pCreateInfo);
+   return layout;
+}
+
+
+VKAPI_ATTR VkResult VKAPI_CALL
+vk_common_CreatePipelineLayout(VkDevice _device,
+                               const VkPipelineLayoutCreateInfo *pCreateInfo,
+                               UNUSED const VkAllocationCallbacks *pAllocator,
+                               VkPipelineLayout *pPipelineLayout)
+{
+   VK_FROM_HANDLE(vk_device, device, _device);
+
+   struct vk_pipeline_layout *layout =
+      vk_pipeline_layout_zalloc(device, sizeof(struct vk_pipeline_layout),
+                                pCreateInfo);
+   if (layout == NULL)
+      return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   *pPipelineLayout = vk_pipeline_layout_to_handle(layout);
+
+   return VK_SUCCESS;
+}
+
+void
+vk_pipeline_layout_destroy(struct vk_device *device,
+                           struct vk_pipeline_layout *layout)
+{
+   assert(layout && layout->ref_cnt == 0);
+
+   for (uint32_t s = 0; s < layout->set_count; s++) {
+      if (layout->set_layouts[s] != NULL)
+         vk_descriptor_set_layout_unref(device, (void *)layout->set_layouts[s]);
+   }
+
+   vk_object_free(device, NULL, layout);
+}
+
+VKAPI_ATTR void VKAPI_CALL
+vk_common_DestroyPipelineLayout(VkDevice _device,
+                                VkPipelineLayout pipelineLayout,
+                                UNUSED const VkAllocationCallbacks *pAllocator)
+{
+   VK_FROM_HANDLE(vk_device, device, _device);
+   VK_FROM_HANDLE(vk_pipeline_layout, layout, pipelineLayout);
+
+   if (layout == NULL)
+      return;
+
+   vk_pipeline_layout_unref(device, layout);
+}
diff --git a/src/vulkan/runtime/vk_pipeline_layout.h b/src/vulkan/runtime/vk_pipeline_layout.h
new file mode 100644
index 00000000000..5f7f04cf0c5
--- /dev/null
+++ b/src/vulkan/runtime/vk_pipeline_layout.h
@@ -0,0 +1,113 @@
+/*
+ * 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_PIPELINE_LAYOUT_H
+#define VK_PIPELINE_LAYOUT_H
+
+#include "vk_object.h"
+
+#include "util/u_atomic.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct vk_descriptor_set_layout;
+
+#define VK_MESA_PIPELINE_LAYOUT_MAX_SETS 32
+
+struct vk_pipeline_layout {
+   struct vk_object_base base;
+
+   /** Reference count
+    *
+    * It's often necessary to store a pointer to the descriptor set layout in
+    * the descriptor so that any entrypoint which has access to a descriptor
+    * set also has the layout.  While layouts are often passed into various
+    * entrypoints, they're notably missing from vkUpdateDescriptorSets().  In
+    * order to implement descriptor writes, you either need to stash a pointer
+    * to the descriptor set layout in the descriptor set or you need to copy
+    * all of the relevant information.  Storing a pointer is a lot cheaper.
+    *
+    * Because descriptor set layout lifetimes and descriptor set lifetimes are
+    * not guaranteed to coincide, we have to reference count if we're going to
+    * do this.
+    */
+   uint32_t ref_cnt;
+
+   /** VkPipelineLayoutCreateInfo::flags */
+   VkPipelineLayoutCreateFlagBits create_flags;
+
+   /** Number of descriptor set layouts in this pipeline layout */
+   uint32_t set_count;
+
+   /** Array of pointers to descriptor set layouts, indexed by set index */
+   const struct vk_descriptor_set_layout *set_layouts[VK_MESA_PIPELINE_LAYOUT_MAX_SETS];
+
+   /** Destroy callback
+    *
+    * Will be initially set to vk_pipeline_layout_destroy() but may be set to
+    * a driver-specific callback which does driver-specific clean-up and then
+    * calls vk_pipeline_layout_destroy().
+    */
+   void (*destroy)(struct vk_device *device,
+                   struct vk_pipeline_layout *layout);
+};
+
+VK_DEFINE_NONDISP_HANDLE_CASTS(vk_pipeline_layout, base, VkPipelineLayout,
+                               VK_OBJECT_TYPE_PIPELINE_LAYOUT);
+
+void *
+vk_pipeline_layout_zalloc(struct vk_device *device, size_t size,
+                          const VkPipelineLayoutCreateInfo *pCreateInfo);
+
+void *
+vk_pipeline_layout_multizalloc(struct vk_device *device,
+                               struct vk_multialloc *ma,
+                               const VkPipelineLayoutCreateInfo *pCreateInfo);
+
+void vk_pipeline_layout_destroy(struct vk_device *device,
+                                struct vk_pipeline_layout *layout);
+
+static inline struct vk_pipeline_layout *
+vk_pipeline_layout_ref(struct vk_pipeline_layout *layout)
+{
+   assert(layout && layout->ref_cnt >= 1);
+   p_atomic_inc(&layout->ref_cnt);
+   return layout;
+}
+
+static inline void
+vk_pipeline_layout_unref(struct vk_device *device,
+                         struct vk_pipeline_layout *layout)
+{
+   assert(layout && layout->ref_cnt >= 1);
+   if (p_atomic_dec_zero(&layout->ref_cnt))
+      layout->destroy(device, layout);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VK_PIPELINE_LAYOUT_H */
+



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