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| 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 "GrVkBuffer.h" |
| 9 #include "GrVkGpu.h" |
| 10 #include "GrVkMemory.h" |
| 11 #include "GrVkUtil.h" |
| 12 |
| 13 #define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X) |
| 14 |
| 15 #ifdef SK_DEBUG |
| 16 #define VALIDATE() this->validate() |
| 17 #else |
| 18 #define VALIDATE() do {} while(false) |
| 19 #endif |
| 20 |
| 21 const GrVkBuffer::Resource* GrVkBuffer::Create(const GrVkGpu* gpu, const Desc& d
esc) { |
| 22 VkBuffer buffer; |
| 23 VkDeviceMemory alloc; |
| 24 |
| 25 // create the buffer object |
| 26 VkBufferCreateInfo bufInfo; |
| 27 memset(&bufInfo, 0, sizeof(VkBufferCreateInfo)); |
| 28 bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; |
| 29 bufInfo.flags = 0; |
| 30 bufInfo.size = desc.fSizeInBytes; |
| 31 switch (desc.fType) { |
| 32 case kVertex_Type: |
| 33 bufInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; |
| 34 break; |
| 35 case kIndex_Type: |
| 36 bufInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; |
| 37 break; |
| 38 case kUniform_Type: |
| 39 bufInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; |
| 40 break; |
| 41 case kCopyRead_Type: |
| 42 bufInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; |
| 43 break; |
| 44 case kCopyWrite_Type: |
| 45 bufInfo.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT; |
| 46 break; |
| 47 |
| 48 } |
| 49 bufInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE; |
| 50 bufInfo.queueFamilyIndexCount = 0; |
| 51 bufInfo.pQueueFamilyIndices = nullptr; |
| 52 |
| 53 VkResult err; |
| 54 err = VK_CALL(gpu, CreateBuffer(gpu->device(), &bufInfo, nullptr, &buffer)); |
| 55 if (err) { |
| 56 return nullptr; |
| 57 } |
| 58 |
| 59 VkMemoryPropertyFlags requiredMemProps = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
| |
| 60 VK_MEMORY_PROPERTY_HOST_COHERENT_BI
T; |
| 61 |
| 62 if (!GrVkMemory::AllocAndBindBufferMemory(gpu, |
| 63 buffer, |
| 64 requiredMemProps, |
| 65 &alloc)) { |
| 66 VK_CALL(gpu, DestroyBuffer(gpu->device(), buffer, nullptr)); |
| 67 return nullptr; |
| 68 } |
| 69 |
| 70 const GrVkBuffer::Resource* resource = new GrVkBuffer::Resource(buffer, allo
c); |
| 71 if (!resource) { |
| 72 VK_CALL(gpu, DestroyBuffer(gpu->device(), buffer, nullptr)); |
| 73 VK_CALL(gpu, FreeMemory(gpu->device(), alloc, nullptr)); |
| 74 return nullptr; |
| 75 } |
| 76 |
| 77 return resource; |
| 78 } |
| 79 |
| 80 |
| 81 void GrVkBuffer::addMemoryBarrier(const GrVkGpu* gpu, |
| 82 VkAccessFlags srcAccessMask, |
| 83 VkAccessFlags dstAccesMask, |
| 84 VkPipelineStageFlags srcStageMask, |
| 85 VkPipelineStageFlags dstStageMask, |
| 86 bool byRegion) const { |
| 87 VkBufferMemoryBarrier bufferMemoryBarrier = { |
| 88 VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, // sType |
| 89 NULL, // pNext |
| 90 srcAccessMask, // srcAccessMask |
| 91 dstAccesMask, // dstAccessMask |
| 92 VK_QUEUE_FAMILY_IGNORED, // srcQueueFamilyIndex |
| 93 VK_QUEUE_FAMILY_IGNORED, // dstQueueFamilyIndex |
| 94 this->buffer(), // buffer |
| 95 0, // offset |
| 96 fDesc.fSizeInBytes, // size |
| 97 }; |
| 98 |
| 99 // TODO: restrict to area of buffer we're interested in |
| 100 gpu->addBufferMemoryBarrier(srcStageMask, dstStageMask, byRegion, &bufferMem
oryBarrier); |
| 101 } |
| 102 |
| 103 void GrVkBuffer::Resource::freeGPUData(const GrVkGpu* gpu) const { |
| 104 SkASSERT(fBuffer); |
| 105 SkASSERT(fAlloc); |
| 106 VK_CALL(gpu, DestroyBuffer(gpu->device(), fBuffer, nullptr)); |
| 107 VK_CALL(gpu, FreeMemory(gpu->device(), fAlloc, nullptr)); |
| 108 } |
| 109 |
| 110 void GrVkBuffer::vkRelease(const GrVkGpu* gpu) { |
| 111 VALIDATE(); |
| 112 fResource->unref(gpu); |
| 113 fResource = nullptr; |
| 114 fMapPtr = nullptr; |
| 115 VALIDATE(); |
| 116 } |
| 117 |
| 118 void GrVkBuffer::vkAbandon() { |
| 119 fResource->unrefAndAbandon(); |
| 120 fMapPtr = nullptr; |
| 121 VALIDATE(); |
| 122 } |
| 123 |
| 124 void* GrVkBuffer::vkMap(const GrVkGpu* gpu) { |
| 125 VALIDATE(); |
| 126 SkASSERT(!this->vkIsMapped()); |
| 127 |
| 128 VkResult err = VK_CALL(gpu, MapMemory(gpu->device(), alloc(), 0, VK_WHOLE_SI
ZE, 0, &fMapPtr)); |
| 129 if (err) { |
| 130 fMapPtr = nullptr; |
| 131 } |
| 132 |
| 133 VALIDATE(); |
| 134 return fMapPtr; |
| 135 } |
| 136 |
| 137 void GrVkBuffer::vkUnmap(const GrVkGpu* gpu) { |
| 138 VALIDATE(); |
| 139 SkASSERT(this->vkIsMapped()); |
| 140 |
| 141 VK_CALL(gpu, UnmapMemory(gpu->device(), alloc())); |
| 142 |
| 143 fMapPtr = nullptr; |
| 144 } |
| 145 |
| 146 bool GrVkBuffer::vkIsMapped() const { |
| 147 VALIDATE(); |
| 148 return SkToBool(fMapPtr); |
| 149 } |
| 150 |
| 151 bool GrVkBuffer::vkUpdateData(const GrVkGpu* gpu, const void* src, size_t srcSiz
eInBytes) { |
| 152 SkASSERT(!this->vkIsMapped()); |
| 153 VALIDATE(); |
| 154 if (srcSizeInBytes > fDesc.fSizeInBytes) { |
| 155 return false; |
| 156 } |
| 157 |
| 158 void* mapPtr; |
| 159 VkResult err = VK_CALL(gpu, MapMemory(gpu->device(), alloc(), 0, srcSizeInBy
tes, 0, &mapPtr)); |
| 160 |
| 161 if (VK_SUCCESS != err) { |
| 162 return false; |
| 163 } |
| 164 |
| 165 memcpy(mapPtr, src, srcSizeInBytes); |
| 166 |
| 167 VK_CALL(gpu, UnmapMemory(gpu->device(), alloc())); |
| 168 |
| 169 return true; |
| 170 } |
| 171 |
| 172 void GrVkBuffer::validate() const { |
| 173 SkASSERT(!fResource || kVertex_Type == fDesc.fType || kIndex_Type == fDesc.f
Type |
| 174 || kCopyRead_Type == fDesc.fType || kCopyWrite_Type == fDesc.fType |
| 175 || kUniform_Type == fDesc.fType); |
| 176 } |
| 177 |
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