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Added missing coherency flags for host visible memory allocations (Fixes #273)

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saschawillems 2017-03-04 13:56:09 +01:00
parent 0e13f583c7
commit d51a0204e0
7 changed files with 10 additions and 9 deletions
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5
triangle/triangle.cpp
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@ -506,7 +506,8 @@ public:
VK_CHECK_RESULT(vkCreateBuffer(device, &vertexBufferInfo, nullptr, &vertices.buffer));
vkGetBufferMemoryRequirements(device, vertices.buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
// VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT is host visible memory, and VK_MEMORY_PROPERTY_HOST_COHERENT_BIT makes sure writes are directly visible
memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &vertices.memory));
VK_CHECK_RESULT(vkMapMemory(device, vertices.memory, 0, memAlloc.allocationSize, 0, &data));
memcpy(data, vertexBuffer.data(), vertexBufferSize);
@ -523,7 +524,7 @@ public:
VK_CHECK_RESULT(vkCreateBuffer(device, &indexbufferInfo, nullptr, &indices.buffer));
vkGetBufferMemoryRequirements(device, indices.buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &indices.memory));
VK_CHECK_RESULT(vkMapMemory(device, indices.memory, 0, indexBufferSize, 0, &data));
memcpy(data, indexBuffer.data(), indexBufferSize);