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 12 const GrVkImageView* GrVkImageView::Create(GrVkGpu* gpu, VkImage image, VkFormat format, 13 Type viewType) { 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_R, VK_COMPONENT_SWIZZLE_G, 25 VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A }, // components 26 { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }, // subresourceRange 27 }; 28 if (kStencil_Type == viewType) { 29 viewInfo.components.r = VK_COMPONENT_SWIZZLE_ZERO; 30 viewInfo.components.g = VK_COMPONENT_SWIZZLE_ZERO; 31 viewInfo.components.b = VK_COMPONENT_SWIZZLE_ZERO; 32 viewInfo.components.a = VK_COMPONENT_SWIZZLE_ZERO; 33 viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_STENCIL_BIT; 34 } 35 36 VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateImageView(gpu->device(), &viewInfo, 37 nullptr, &imageView)); 38 if (err) { 39 return nullptr; 40 } 41 42 return new GrVkImageView(imageView); 43 } 44 45 void GrVkImageView::freeGPUData(const GrVkGpu* gpu) const { 46 GR_VK_CALL(gpu->vkInterface(), DestroyImageView(gpu->device(), fImageView, nullptr)); 47 } 48 49 50
