Move the intel vulkan driver to src/intel/vulkan

1 files changed, 532 insertions, 0 deletions

diff --git a/src/intel/vulkan/anv_descriptor_set.c b/src/intel/vulkan/anv_descriptor_set.c
new file mode 100644
index 0000000..7a77336
--- /dev/null
+++ b/src/intel/vulkan/anv_descriptor_set.c
@@ -0,0 +1,532 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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 <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "anv_private.h"
+
+/*
+ * Descriptor set layouts.
+ */
+
+VkResult anv_CreateDescriptorSetLayout(
+    VkDevice                                    _device,
+    const VkDescriptorSetLayoutCreateInfo*      pCreateInfo,
+    const VkAllocationCallbacks*                pAllocator,
+    VkDescriptorSetLayout*                      pSetLayout)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   struct anv_descriptor_set_layout *set_layout;
+
+   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO);
+
+   uint32_t max_binding = 0;
+   uint32_t immutable_sampler_count = 0;
+   for (uint32_t j = 0; j < pCreateInfo->bindingCount; j++) {
+      max_binding = MAX2(max_binding, pCreateInfo->pBindings[j].binding);
+      if (pCreateInfo->pBindings[j].pImmutableSamplers)
+         immutable_sampler_count += pCreateInfo->pBindings[j].descriptorCount;
+   }
+
+   size_t size = sizeof(struct anv_descriptor_set_layout) +
+                 (max_binding + 1) * sizeof(set_layout->binding[0]) +
+                 immutable_sampler_count * sizeof(struct anv_sampler *);
+
+   set_layout = anv_alloc2(&device->alloc, pAllocator, size, 8,
+                           VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (!set_layout)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   /* We just allocate all the samplers at the end of the struct */
+   struct anv_sampler **samplers =
+      (struct anv_sampler **)&set_layout->binding[max_binding + 1];
+
+   set_layout->binding_count = max_binding + 1;
+   set_layout->shader_stages = 0;
+   set_layout->size = 0;
+
+   for (uint32_t b = 0; b <= max_binding; b++) {
+      /* Initialize all binding_layout entries to -1 */
+      memset(&set_layout->binding[b], -1, sizeof(set_layout->binding[b]));
+
+      set_layout->binding[b].immutable_samplers = NULL;
+   }
+
+   /* Initialize all samplers to 0 */
+   memset(samplers, 0, immutable_sampler_count * sizeof(*samplers));
+
+   uint32_t sampler_count[MESA_SHADER_STAGES] = { 0, };
+   uint32_t surface_count[MESA_SHADER_STAGES] = { 0, };
+   uint32_t image_count[MESA_SHADER_STAGES] = { 0, };
+   uint32_t buffer_count = 0;
+   uint32_t dynamic_offset_count = 0;
+
+   for (uint32_t j = 0; j < pCreateInfo->bindingCount; j++) {
+      const VkDescriptorSetLayoutBinding *binding = &pCreateInfo->pBindings[j];
+      uint32_t b = binding->binding;
+
+      assert(binding->descriptorCount > 0);
+      set_layout->binding[b].array_size = binding->descriptorCount;
+      set_layout->binding[b].descriptor_index = set_layout->size;
+      set_layout->size += binding->descriptorCount;
+
+      switch (binding->descriptorType) {
+      case VK_DESCRIPTOR_TYPE_SAMPLER:
+      case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
+         anv_foreach_stage(s, binding->stageFlags) {
+            set_layout->binding[b].stage[s].sampler_index = sampler_count[s];
+            sampler_count[s] += binding->descriptorCount;
+         }
+         break;
+      default:
+         break;
+      }
+
+      switch (binding->descriptorType) {
+      case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
+      case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
+      case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
+      case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
+         set_layout->binding[b].buffer_index = buffer_count;
+         buffer_count += binding->descriptorCount;
+         /* fall through */
+
+      case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
+      case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
+      case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
+      case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
+      case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
+      case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
+         anv_foreach_stage(s, binding->stageFlags) {
+            set_layout->binding[b].stage[s].surface_index = surface_count[s];
+            surface_count[s] += binding->descriptorCount;
+         }
+         break;
+      default:
+         break;
+      }
+
+      switch (binding->descriptorType) {
+      case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
+      case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
+         set_layout->binding[b].dynamic_offset_index = dynamic_offset_count;
+         dynamic_offset_count += binding->descriptorCount;
+         break;
+      default:
+         break;
+      }
+
+      switch (binding->descriptorType) {
+      case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
+      case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
+         anv_foreach_stage(s, binding->stageFlags) {
+            set_layout->binding[b].stage[s].image_index = image_count[s];
+            image_count[s] += binding->descriptorCount;
+         }
+         break;
+      default:
+         break;
+      }
+
+      if (binding->pImmutableSamplers) {
+         set_layout->binding[b].immutable_samplers = samplers;
+         samplers += binding->descriptorCount;
+
+         for (uint32_t i = 0; i < binding->descriptorCount; i++)
+            set_layout->binding[b].immutable_samplers[i] =
+               anv_sampler_from_handle(binding->pImmutableSamplers[i]);
+      } else {
+         set_layout->binding[b].immutable_samplers = NULL;
+      }
+
+      set_layout->shader_stages |= binding->stageFlags;
+   }
+
+   set_layout->buffer_count = buffer_count;
+   set_layout->dynamic_offset_count = dynamic_offset_count;
+
+   *pSetLayout = anv_descriptor_set_layout_to_handle(set_layout);
+
+   return VK_SUCCESS;
+}
+
+void anv_DestroyDescriptorSetLayout(
+    VkDevice                                    _device,
+    VkDescriptorSetLayout                       _set_layout,
+    const VkAllocationCallbacks*                pAllocator)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   ANV_FROM_HANDLE(anv_descriptor_set_layout, set_layout, _set_layout);
+
+   anv_free2(&device->alloc, pAllocator, set_layout);
+}
+
+/*
+ * Pipeline layouts.  These have nothing to do with the pipeline.  They are
+ * just muttiple descriptor set layouts pasted together
+ */
+
+VkResult anv_CreatePipelineLayout(
+    VkDevice                                    _device,
+    const VkPipelineLayoutCreateInfo*           pCreateInfo,
+    const VkAllocationCallbacks*                pAllocator,
+    VkPipelineLayout*                           pPipelineLayout)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   struct anv_pipeline_layout *layout;
+
+   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO);
+
+   layout = anv_alloc2(&device->alloc, pAllocator, sizeof(*layout), 8,
+                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (layout == NULL)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   layout->num_sets = pCreateInfo->setLayoutCount;
+
+   unsigned dynamic_offset_count = 0;
+
+   memset(layout->stage, 0, sizeof(layout->stage));
+   for (uint32_t set = 0; set < pCreateInfo->setLayoutCount; set++) {
+      ANV_FROM_HANDLE(anv_descriptor_set_layout, set_layout,
+                      pCreateInfo->pSetLayouts[set]);
+      layout->set[set].layout = set_layout;
+
+      layout->set[set].dynamic_offset_start = dynamic_offset_count;
+      for (uint32_t b = 0; b < set_layout->binding_count; b++) {
+         if (set_layout->binding[b].dynamic_offset_index >= 0)
+            dynamic_offset_count += set_layout->binding[b].array_size;
+         for (gl_shader_stage s = 0; s < MESA_SHADER_STAGES; s++) {
+            if (set_layout->binding[b].stage[s].surface_index >= 0)
+               layout->stage[s].has_dynamic_offsets = true;
+         }
+      }
+   }
+
+   *pPipelineLayout = anv_pipeline_layout_to_handle(layout);
+
+   return VK_SUCCESS;
+}
+
+void anv_DestroyPipelineLayout(
+    VkDevice                                    _device,
+    VkPipelineLayout                            _pipelineLayout,
+    const VkAllocationCallbacks*                pAllocator)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   ANV_FROM_HANDLE(anv_pipeline_layout, pipeline_layout, _pipelineLayout);
+
+   anv_free2(&device->alloc, pAllocator, pipeline_layout);
+}
+
+/*
+ * Descriptor pools.  These are a no-op for now.
+ */
+
+VkResult anv_CreateDescriptorPool(
+    VkDevice                                    device,
+    const VkDescriptorPoolCreateInfo*           pCreateInfo,
+    const VkAllocationCallbacks*                pAllocator,
+    VkDescriptorPool*                           pDescriptorPool)
+{
+   anv_finishme("VkDescriptorPool is a stub");
+   *pDescriptorPool = (VkDescriptorPool)1;
+   return VK_SUCCESS;
+}
+
+void anv_DestroyDescriptorPool(
+    VkDevice                                    _device,
+    VkDescriptorPool                            _pool,
+    const VkAllocationCallbacks*                pAllocator)
+{
+   anv_finishme("VkDescriptorPool is a stub: free the pool's descriptor sets");
+}
+
+VkResult anv_ResetDescriptorPool(
+    VkDevice                                    device,
+    VkDescriptorPool                            descriptorPool,
+    VkDescriptorPoolResetFlags                  flags)
+{
+   anv_finishme("VkDescriptorPool is a stub: free the pool's descriptor sets");
+   return VK_SUCCESS;
+}
+
+VkResult
+anv_descriptor_set_create(struct anv_device *device,
+                          const struct anv_descriptor_set_layout *layout,
+                          struct anv_descriptor_set **out_set)
+{
+   struct anv_descriptor_set *set;
+   size_t size = sizeof(*set) + layout->size * sizeof(set->descriptors[0]);
+
+   set = anv_alloc(&device->alloc /* XXX: Use the pool */, size, 8,
+                   VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (!set)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   /* A descriptor set may not be 100% filled. Clear the set so we can can
+    * later detect holes in it.
+    */
+   memset(set, 0, size);
+
+   set->layout = layout;
+
+   /* Go through and fill out immutable samplers if we have any */
+   struct anv_descriptor *desc = set->descriptors;
+   for (uint32_t b = 0; b < layout->binding_count; b++) {
+      if (layout->binding[b].immutable_samplers) {
+         for (uint32_t i = 0; i < layout->binding[b].array_size; i++)
+            desc[i].sampler = layout->binding[b].immutable_samplers[i];
+      }
+      desc += layout->binding[b].array_size;
+   }
+
+   /* XXX: Use the pool */
+   set->buffer_views =
+      anv_alloc(&device->alloc,
+                sizeof(set->buffer_views[0]) * layout->buffer_count, 8,
+                VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (!set->buffer_views) {
+      anv_free(&device->alloc, set);
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+   }
+
+   for (uint32_t b = 0; b < layout->buffer_count; b++) {
+      set->buffer_views[b].surface_state =
+         anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
+   }
+   set->buffer_count = layout->buffer_count;
+   *out_set = set;
+
+   return VK_SUCCESS;
+}
+
+void
+anv_descriptor_set_destroy(struct anv_device *device,
+                           struct anv_descriptor_set *set)
+{
+   /* XXX: Use the pool */
+   for (uint32_t b = 0; b < set->buffer_count; b++)
+      anv_state_pool_free(&device->surface_state_pool,
+                          set->buffer_views[b].surface_state);
+
+   anv_free(&device->alloc, set->buffer_views);
+   anv_free(&device->alloc, set);
+}
+
+VkResult anv_AllocateDescriptorSets(
+    VkDevice                                    _device,
+    const VkDescriptorSetAllocateInfo*          pAllocateInfo,
+    VkDescriptorSet*                            pDescriptorSets)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+
+   VkResult result = VK_SUCCESS;
+   struct anv_descriptor_set *set;
+   uint32_t i;
+
+   for (i = 0; i < pAllocateInfo->descriptorSetCount; i++) {
+      ANV_FROM_HANDLE(anv_descriptor_set_layout, layout,
+                      pAllocateInfo->pSetLayouts[i]);
+
+      result = anv_descriptor_set_create(device, layout, &set);
+      if (result != VK_SUCCESS)
+         break;
+
+      pDescriptorSets[i] = anv_descriptor_set_to_handle(set);
+   }
+
+   if (result != VK_SUCCESS)
+      anv_FreeDescriptorSets(_device, pAllocateInfo->descriptorPool,
+                             i, pDescriptorSets);
+
+   return result;
+}
+
+VkResult anv_FreeDescriptorSets(
+    VkDevice                                    _device,
+    VkDescriptorPool                            descriptorPool,
+    uint32_t                                    count,
+    const VkDescriptorSet*                      pDescriptorSets)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+
+   for (uint32_t i = 0; i < count; i++) {
+      ANV_FROM_HANDLE(anv_descriptor_set, set, pDescriptorSets[i]);
+
+      anv_descriptor_set_destroy(device, set);
+   }
+
+   return VK_SUCCESS;
+}
+
+void anv_UpdateDescriptorSets(
+    VkDevice                                    _device,
+    uint32_t                                    descriptorWriteCount,
+    const VkWriteDescriptorSet*                 pDescriptorWrites,
+    uint32_t                                    descriptorCopyCount,
+    const VkCopyDescriptorSet*                  pDescriptorCopies)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+
+   for (uint32_t i = 0; i < descriptorWriteCount; i++) {
+      const VkWriteDescriptorSet *write = &pDescriptorWrites[i];
+      ANV_FROM_HANDLE(anv_descriptor_set, set, write->dstSet);
+      const struct anv_descriptor_set_binding_layout *bind_layout =
+         &set->layout->binding[write->dstBinding];
+      struct anv_descriptor *desc =
+         &set->descriptors[bind_layout->descriptor_index];
+      desc += write->dstArrayElement;
+
+      switch (write->descriptorType) {
+      case VK_DESCRIPTOR_TYPE_SAMPLER:
+         for (uint32_t j = 0; j < write->descriptorCount; j++) {
+            ANV_FROM_HANDLE(anv_sampler, sampler,
+                            write->pImageInfo[j].sampler);
+
+            desc[j] = (struct anv_descriptor) {
+               .type = VK_DESCRIPTOR_TYPE_SAMPLER,
+               .sampler = sampler,
+            };
+         }
+         break;
+
+      case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
+         for (uint32_t j = 0; j < write->descriptorCount; j++) {
+            ANV_FROM_HANDLE(anv_image_view, iview,
+                            write->pImageInfo[j].imageView);
+            ANV_FROM_HANDLE(anv_sampler, sampler,
+                            write->pImageInfo[j].sampler);
+
+            desc[j].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+            desc[j].image_view = iview;
+
+            /* If this descriptor has an immutable sampler, we don't want
+             * to stomp on it.
+             */
+            if (sampler)
+               desc[j].sampler = sampler;
+         }
+         break;
+
+      case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
+      case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
+         for (uint32_t j = 0; j < write->descriptorCount; j++) {
+            ANV_FROM_HANDLE(anv_image_view, iview,
+                            write->pImageInfo[j].imageView);
+
+            desc[j] = (struct anv_descriptor) {
+               .type = write->descriptorType,
+               .image_view = iview,
+            };
+         }
+         break;
+
+      case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
+      case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
+         for (uint32_t j = 0; j < write->descriptorCount; j++) {
+            ANV_FROM_HANDLE(anv_buffer_view, bview,
+                            write->pTexelBufferView[j]);
+
+            desc[j] = (struct anv_descriptor) {
+               .type = write->descriptorType,
+               .buffer_view = bview,
+            };
+         }
+         break;
+
+      case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
+         anv_finishme("input attachments not implemented");
+         break;
+
+      case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
+      case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
+      case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
+      case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
+         for (uint32_t j = 0; j < write->descriptorCount; j++) {
+            assert(write->pBufferInfo[j].buffer);
+            ANV_FROM_HANDLE(anv_buffer, buffer, write->pBufferInfo[j].buffer);
+            assert(buffer);
+
+            struct anv_buffer_view *view =
+               &set->buffer_views[bind_layout->buffer_index];
+            view += write->dstArrayElement + j;
+
+            const struct anv_format *format =
+               anv_format_for_descriptor_type(write->descriptorType);
+
+            view->format = format->isl_format;
+            view->bo = buffer->bo;
+            view->offset = buffer->offset + write->pBufferInfo[j].offset;
+
+            /* For buffers with dynamic offsets, we use the full possible
+             * range in the surface state and do the actual range-checking
+             * in the shader.
+             */
+            if (bind_layout->dynamic_offset_index >= 0 ||
+                write->pBufferInfo[j].range == VK_WHOLE_SIZE)
+               view->range = buffer->size - write->pBufferInfo[j].offset;
+            else
+               view->range = write->pBufferInfo[j].range;
+
+            anv_fill_buffer_surface_state(device, view->surface_state,
+                                          view->format,
+                                          view->offset, view->range, 1);
+
+            desc[j] = (struct anv_descriptor) {
+               .type = write->descriptorType,
+               .buffer_view = view,
+            };
+
+         }
+
+      default:
+         break;
+      }
+   }
+
+   for (uint32_t i = 0; i < descriptorCopyCount; i++) {
+      const VkCopyDescriptorSet *copy = &pDescriptorCopies[i];
+      ANV_FROM_HANDLE(anv_descriptor_set, src, copy->dstSet);
+      ANV_FROM_HANDLE(anv_descriptor_set, dst, copy->dstSet);
+
+      const struct anv_descriptor_set_binding_layout *src_layout =
+         &src->layout->binding[copy->srcBinding];
+      struct anv_descriptor *src_desc =
+         &src->descriptors[src_layout->descriptor_index];
+      src_desc += copy->srcArrayElement;
+
+      const struct anv_descriptor_set_binding_layout *dst_layout =
+         &dst->layout->binding[copy->dstBinding];
+      struct anv_descriptor *dst_desc =
+         &dst->descriptors[dst_layout->descriptor_index];
+      dst_desc += copy->dstArrayElement;
+
+      for (uint32_t j = 0; j < copy->descriptorCount; j++)
+         dst_desc[j] = src_desc[j];
+   }
+}