1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "GrVkImageView.h"
9 #include "GrVkGpu.h"
10 #include "GrVkUtil.h"
11
Create(const GrVkGpu * gpu,VkImage image,VkFormat format,Type viewType,uint32_t miplevels)12 const GrVkImageView* GrVkImageView::Create(const GrVkGpu* gpu, VkImage image, VkFormat format,
13 Type viewType, uint32_t miplevels) {
14 VkImageView imageView;
15
16 // Create the VkImageView
17 VkImageViewCreateInfo viewInfo = {
18 VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, // sType
19 NULL, // pNext
20 0, // flags
21 image, // image
22 VK_IMAGE_VIEW_TYPE_2D, // viewType
23 format, // format
24 { VK_COMPONENT_SWIZZLE_IDENTITY,
25 VK_COMPONENT_SWIZZLE_IDENTITY,
26 VK_COMPONENT_SWIZZLE_IDENTITY,
27 VK_COMPONENT_SWIZZLE_IDENTITY }, // components
28 { VK_IMAGE_ASPECT_COLOR_BIT, 0, miplevels, 0, 1 }, // subresourceRange
29 };
30 if (kStencil_Type == viewType) {
31 viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_STENCIL_BIT;
32 }
33
34 VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateImageView(gpu->device(), &viewInfo,
35 nullptr, &imageView));
36 if (err) {
37 return nullptr;
38 }
39
40 return new GrVkImageView(imageView);
41 }
42
freeGPUData(const GrVkGpu * gpu) const43 void GrVkImageView::freeGPUData(const GrVkGpu* gpu) const {
44 GR_VK_CALL(gpu->vkInterface(), DestroyImageView(gpu->device(), fImageView, nullptr));
45 }
46