1 files changed, 51 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/vk/GrVkDescriptorPool.cpp b/gfx/skia/skia/src/gpu/vk/GrVkDescriptorPool.cpp
new file mode 100644
index 000000000..b89145a73
--- /dev/null
+++ b/gfx/skia/skia/src/gpu/vk/GrVkDescriptorPool.cpp
@@ -0,0 +1,51 @@
+/*
+* Copyright 2016 Google Inc.
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+
+#include "GrVkDescriptorPool.h"
+
+#include "GrVkGpu.h"
+#include "SkTemplates.h"
+
+
+GrVkDescriptorPool::GrVkDescriptorPool(const GrVkGpu* gpu, VkDescriptorType type, uint32_t count)
+    : INHERITED()
+    , fType (type)
+    , fCount(count) {
+    VkDescriptorPoolSize poolSize;
+    memset(&poolSize, 0, sizeof(VkDescriptorPoolSize));
+    poolSize.descriptorCount = count;
+    poolSize.type = type;
+
+    VkDescriptorPoolCreateInfo createInfo;
+    memset(&createInfo, 0, sizeof(VkDescriptorPoolCreateInfo));
+    createInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+    createInfo.pNext = nullptr;
+    createInfo.flags = 0;
+    // This is an over/conservative estimate since each set may contain more than count descriptors.
+    createInfo.maxSets = count;
+    createInfo.poolSizeCount = 1;
+    createInfo.pPoolSizes = &poolSize;
+
+    GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateDescriptorPool(gpu->device(),
+                                                                 &createInfo,
+                                                                 nullptr,
+                                                                 &fDescPool));
+}
+
+bool GrVkDescriptorPool::isCompatible(VkDescriptorType type, uint32_t count) const {
+    return fType == type && count <= fCount;
+}
+
+void GrVkDescriptorPool::reset(const GrVkGpu* gpu) {
+    GR_VK_CALL_ERRCHECK(gpu->vkInterface(), ResetDescriptorPool(gpu->device(), fDescPool, 0));
+}
+
+void GrVkDescriptorPool::freeGPUData(const GrVkGpu* gpu) const {
+    // Destroying the VkDescriptorPool will automatically free and delete any VkDescriptorSets
+    // allocated from the pool.
+    GR_VK_CALL(gpu->vkInterface(), DestroyDescriptorPool(gpu->device(), fDescPool, nullptr));
+}