Greg Daniel | 48cf268 | 2016-02-22 09:11:32 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 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 "GrVkGpu.h" |
| 9 | #include "GrVkImage.h" |
| 10 | #include "GrVkMemory.h" |
| 11 | #include "GrVkUtil.h" |
| 12 | |
| 13 | #define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X) |
| 14 | |
| 15 | void GrVkImage::setImageLayout(const GrVkGpu* gpu, VkImageLayout newLayout, |
| 16 | VkAccessFlags srcAccessMask, |
| 17 | VkAccessFlags dstAccessMask, |
| 18 | VkPipelineStageFlags srcStageMask, |
| 19 | VkPipelineStageFlags dstStageMask, |
| 20 | bool byRegion) { |
| 21 | SkASSERT(VK_IMAGE_LAYOUT_GENERAL != newLayout || VK_IMAGE_LAYOUT_PREINITIALIZED != newLayout); |
| 22 | // Is this reasonable? Could someone want to keep the same layout but use the masks to force |
| 23 | // a barrier on certain things? |
| 24 | if (newLayout == fCurrentLayout) { |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | VkImageMemoryBarrier imageMemoryBarrier = { |
| 29 | VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType |
| 30 | NULL, // pNext |
| 31 | srcAccessMask, // outputMask |
| 32 | dstAccessMask, // inputMask |
| 33 | fCurrentLayout, // oldLayout |
| 34 | newLayout, // newLayout |
| 35 | VK_QUEUE_FAMILY_IGNORED, // srcQueueFamilyIndex |
| 36 | VK_QUEUE_FAMILY_IGNORED, // dstQueueFamilyIndex |
| 37 | fResource->fImage, // image |
| 38 | { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 } // subresourceRange |
| 39 | }; |
| 40 | |
| 41 | // TODO: restrict to area of image we're interested in |
| 42 | gpu->addImageMemoryBarrier(srcStageMask, dstStageMask, byRegion, &imageMemoryBarrier); |
| 43 | |
| 44 | fCurrentLayout = newLayout; |
| 45 | } |
| 46 | |
| 47 | const GrVkImage::Resource* GrVkImage::CreateResource(const GrVkGpu* gpu, |
| 48 | const ImageDesc& imageDesc) { |
| 49 | VkImage image = 0; |
| 50 | VkDeviceMemory alloc; |
| 51 | |
| 52 | VkResult err; |
| 53 | |
| 54 | VkImageLayout initialLayout = (VK_IMAGE_TILING_LINEAR == imageDesc.fImageTiling) |
| 55 | ? VK_IMAGE_LAYOUT_PREINITIALIZED |
| 56 | : VK_IMAGE_LAYOUT_UNDEFINED; |
| 57 | |
| 58 | // Create Image |
| 59 | VkSampleCountFlagBits vkSamples; |
| 60 | if (!GrSampleCountToVkSampleCount(imageDesc.fSamples, &vkSamples)) { |
| 61 | return nullptr; |
| 62 | } |
| 63 | const VkImageCreateInfo imageCreateInfo = { |
| 64 | VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // sType |
| 65 | NULL, // pNext |
| 66 | 0, // VkImageCreateFlags |
| 67 | imageDesc.fImageType, // VkImageType |
| 68 | imageDesc.fFormat, // VkFormat |
| 69 | { imageDesc.fWidth, imageDesc.fHeight, 1 }, // VkExtent3D |
| 70 | imageDesc.fLevels, // mipLevels |
| 71 | 1, // arrayLayers |
| 72 | vkSamples, // samples |
| 73 | imageDesc.fImageTiling, // VkImageTiling |
| 74 | imageDesc.fUsageFlags, // VkImageUsageFlags |
| 75 | VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode |
| 76 | 0, // queueFamilyCount |
| 77 | 0, // pQueueFamilyIndices |
| 78 | initialLayout // initialLayout |
| 79 | }; |
| 80 | |
| 81 | err = VK_CALL(gpu, CreateImage(gpu->device(), &imageCreateInfo, nullptr, &image)); |
| 82 | SkASSERT(!err); |
| 83 | |
| 84 | if (!GrVkMemory::AllocAndBindImageMemory(gpu, image, imageDesc.fMemProps, &alloc)) { |
| 85 | VK_CALL(gpu, DestroyImage(gpu->device(), image, nullptr)); |
| 86 | return nullptr; |
| 87 | } |
| 88 | |
| 89 | GrVkImage::Resource::Flags flags = |
| 90 | (VK_IMAGE_TILING_LINEAR == imageDesc.fImageTiling) ? Resource::kLinearTiling_Flag |
| 91 | : Resource::kNo_Flags; |
| 92 | |
| 93 | return (new GrVkImage::Resource(image, alloc, flags)); |
| 94 | } |
| 95 | |
| 96 | GrVkImage::~GrVkImage() { |
| 97 | // should have been released or abandoned first |
| 98 | SkASSERT(!fResource); |
| 99 | } |
| 100 | |
| 101 | void GrVkImage::releaseImage(const GrVkGpu* gpu) { |
| 102 | if (fResource) { |
| 103 | fResource->unref(gpu); |
| 104 | fResource = nullptr; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | void GrVkImage::abandonImage() { |
| 109 | if (fResource) { |
| 110 | fResource->unrefAndAbandon(); |
| 111 | fResource = nullptr; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | void GrVkImage::Resource::freeGPUData(const GrVkGpu* gpu) const { |
| 116 | VK_CALL(gpu, DestroyImage(gpu->device(), fImage, nullptr)); |
| 117 | VK_CALL(gpu, FreeMemory(gpu->device(), fAlloc, nullptr)); |
| 118 | } |