nvk: Add a skeleton for pipelines

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>

src/nouveau/vulkan/meson.build

@@ -28,6 +28,8 @@ nvk_files = files(
   'nvk_nir_lower_descriptors.c',
   'nvk_physical_device.c',
   'nvk_physical_device.h',
+  'nvk_pipeline.c',
+  'nvk_pipeline.h',
   'nvk_pipeline_layout.c',
   'nvk_pipeline_layout.h',
   'nvk_private.h',

src/nouveau/vulkan/nvk_pipeline.c

@@ -0,0 +1,108 @@
+
+#include "nvk_private.h"
+#include "nvk_device.h"
+#include "nvk_pipeline.h"
+#include "nvk_pipeline_layout.h"
+
+#include "vk_pipeline_cache.h"
+
+static void
+nvk_pipeline_destroy(struct nvk_device *device,
+                     struct nvk_pipeline *pipeline,
+                     const VkAllocationCallbacks *pAllocator)
+{
+   vk_object_free(&device->vk, pAllocator, pipeline);
+}
+
+static VkResult
+nvk_graphics_pipeline_create(struct nvk_device *device,
+                             struct vk_pipeline_cache *cache,
+                             const VkGraphicsPipelineCreateInfo *pCreateInfo,
+                             const VkAllocationCallbacks *pAllocator,
+                             VkPipeline *pPipeline)
+{
+   unreachable("Graphics pipelines not yet implemented");
+}
+
+static VkResult
+nvk_compute_pipeline_create(struct nvk_device *device,
+                            struct vk_pipeline_cache *cache,
+                            const VkComputePipelineCreateInfo *pCreateInfo,
+                            const VkAllocationCallbacks *pAllocator,
+                            VkPipeline *pPipeline)
+{
+   unreachable("Compute pipelines not yet implemented");
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL
+nvk_CreateGraphicsPipelines(VkDevice _device,
+                            VkPipelineCache pipelineCache,
+                            uint32_t createInfoCount,
+                            const VkGraphicsPipelineCreateInfo *pCreateInfos,
+                            const VkAllocationCallbacks *pAllocator,
+                            VkPipeline *pPipelines)
+{
+   VK_FROM_HANDLE(nvk_device, device, _device);
+   VK_FROM_HANDLE(vk_pipeline_cache, cache, pipelineCache);
+   VkResult result = VK_SUCCESS;
+
+   unsigned i = 0;
+   for (; i < createInfoCount; i++) {
+      VkResult r = nvk_graphics_pipeline_create(device, cache, &pCreateInfos[i],
+                                                pAllocator, &pPipelines[i]);
+      if (r == VK_SUCCESS)
+         continue;
+
+      result = r;
+      if (pCreateInfos[i].flags & VK_PIPELINE_CREATE_EARLY_RETURN_ON_FAILURE_BIT)
+         break;
+   }
+
+   for (; i < createInfoCount; i++)
+      pPipelines[i] = VK_NULL_HANDLE;
+
+   return result;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL
+nvk_CreateComputePipelines(VkDevice _device,
+                           VkPipelineCache pipelineCache,
+                           uint32_t createInfoCount,
+                           const VkComputePipelineCreateInfo *pCreateInfos,
+                           const VkAllocationCallbacks *pAllocator,
+                           VkPipeline *pPipelines)
+{
+   VK_FROM_HANDLE(nvk_device, device, _device);
+   VK_FROM_HANDLE(vk_pipeline_cache, cache, pipelineCache);
+   VkResult result = VK_SUCCESS;
+
+   unsigned i = 0;
+   for (; i < createInfoCount; i++) {
+      VkResult r = nvk_compute_pipeline_create(device, cache, &pCreateInfos[i],
+                                               pAllocator, &pPipelines[i]);
+      if (r == VK_SUCCESS)
+         continue;
+
+      result = r;
+      if (pCreateInfos[i].flags & VK_PIPELINE_CREATE_EARLY_RETURN_ON_FAILURE_BIT)
+         break;
+   }
+
+   for (; i < createInfoCount; i++)
+      pPipelines[i] = VK_NULL_HANDLE;
+
+   return result;
+}
+
+VKAPI_ATTR void VKAPI_CALL
+nvk_DestroyPipeline(VkDevice _device, VkPipeline _pipeline,
+                    const VkAllocationCallbacks *pAllocator)
+{
+   VK_FROM_HANDLE(nvk_device, device, _device);
+   VK_FROM_HANDLE(nvk_pipeline, pipeline, _pipeline);
+
+   if (!pipeline)
+      return;
+
+   nvk_pipeline_destroy(device, pipeline, pAllocator);
+}

src/nouveau/vulkan/nvk_pipeline.h

@@ -0,0 +1,22 @@
+#ifndef NVK_PIPELINE_H
+#define NVK_PIPELINE_H 1
+
+#include "nvk_shader.h"
+#include "vk_object.h"
+
+enum nvk_pipeline_type {
+   NVK_PIPELINE_GRAPHICS,
+   NVK_PIPELINE_COMPUTE,
+};
+
+struct nvk_pipeline {
+   struct vk_object_base base;
+
+   enum nvk_pipeline_type type;
+
+   struct nvk_shader shaders[MESA_SHADER_STAGES];
+};
+
+VK_DEFINE_NONDISP_HANDLE_CASTS(nvk_pipeline, base, VkPipeline,
+                               VK_OBJECT_TYPE_PIPELINE)
+#endif