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vulkan: implement storage and texel buffers

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niki
2022-09-16 00:30:26 +02:00
parent f4c38eb00a
commit ccf8cb45c9
4 changed files with 112 additions and 77 deletions
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src/modules/graphics/vulkan/Buffer.cpp
+22 -8
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@@ -15,6 +15,7 @@ static VkBufferUsageFlags getUsageBit(BufferUsage mode)
case BUFFERUSAGE_VERTEX: return VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
case BUFFERUSAGE_INDEX: return VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
case BUFFERUSAGE_UNIFORM: return VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
case BUFFERUSAGE_TEXEL: return VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT;
default:
throw love::Exception("unsupported BufferUsage mode");
}
@@ -47,16 +48,27 @@ bool Buffer::loadVolatile()
VkBufferCreateInfo bufferInfo{};
bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferInfo.size = getSize();
if (dataUsage == BUFFERDATAUSAGE_READBACK)
bufferInfo.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT;
else
bufferInfo.usage = getVulkanUsageFlags(usageFlags);
bufferInfo.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | getVulkanUsageFlags(usageFlags);
VmaAllocationCreateInfo allocCreateInfo = {};
allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO;
allocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT;
vmaCreateBuffer(allocator, &bufferInfo, &allocCreateInfo, &buffer, &allocation, &allocInfo);
auto result = vmaCreateBuffer(allocator, &bufferInfo, &allocCreateInfo, &buffer, &allocation, &allocInfo);
if (result != VK_SUCCESS)
throw love::Exception("failed to create buffer");
if (usageFlags & BUFFERUSAGE_TEXEL)
{
VkBufferViewCreateInfo bufferViewInfo{};
bufferViewInfo.buffer = buffer;
bufferViewInfo.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
bufferViewInfo.format = Vulkan::getVulkanVertexFormat(getDataMember(0).decl.format);
bufferViewInfo.range = VK_WHOLE_SIZE;
if (vkCreateBufferView(vgfx->getDevice(), &bufferViewInfo, nullptr, &bufferView) != VK_SUCCESS)
throw love::Exception("failed to create texel buffer view");
}
return true;
}
@@ -69,12 +81,15 @@ void Buffer::unloadVolatile()
auto device = vgfx->getDevice();
vgfx->queueCleanUp(
[device=device, allocator=allocator, buffer=buffer, allocation=allocation](){
[device=device, allocator=allocator, buffer=buffer, allocation=allocation, bufferView=bufferView](){
vkDeviceWaitIdle(device);
vmaDestroyBuffer(allocator, buffer, allocation);
if (bufferView)
vkDestroyBufferView(device, bufferView, nullptr);
});
buffer = VK_NULL_HANDLE;
bufferView = VK_NULL_HANDLE;
}
Buffer::~Buffer()
@@ -89,8 +104,7 @@ ptrdiff_t Buffer::getHandle() const
ptrdiff_t Buffer::getTexelBufferHandle() const
{
throw love::Exception("unimplemented Buffer::getTexelBufferHandle");
return (ptrdiff_t) nullptr; // todo ?
return (ptrdiff_t) bufferView;
}
void* Buffer::map(MapType map, size_t offset, size_t size)