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Adding barriers

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Dynamitos
2024-07-12 22:05:52 +02:00
parent 8387ad6ffe
commit b756f17a09
5 changed files with 97 additions and 53 deletions
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src/Engine/Graphics/Vulkan/RayTracing.cpp
+24 -7
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@@ -83,13 +83,16 @@ TopLevelAS::TopLevelAS(PGraphics graphics, const Gfx::TopLevelASCreateInfo& crea
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR,
.pNext = nullptr,
.geometryType = VK_GEOMETRY_TYPE_INSTANCES_KHR,
.geometry = {.instances =
{
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_INSTANCES_DATA_KHR,
.pNext = nullptr,
.arrayOfPointers = VK_FALSE,
.data = instanceDeviceAddress,
}},
.geometry =
{
.instances =
{
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_INSTANCES_DATA_KHR,
.pNext = nullptr,
.arrayOfPointers = VK_FALSE,
.data = instanceDeviceAddress,
},
},
.flags = VK_GEOMETRY_OPAQUE_BIT_KHR,
};
VkAccelerationStructureBuildGeometryInfoKHR structureBuildGeometry = {
@@ -171,7 +174,21 @@ TopLevelAS::TopLevelAS(PGraphics graphics, const Gfx::TopLevelASCreateInfo& crea
VkAccelerationStructureBuildRangeInfoKHR* buildRangeInfos[] = {&buildRange};
auto cmd = graphics->getGraphicsCommands()->getCommands();
vkCmdBuildAccelerationStructuresKHR(cmd->getHandle(), 1, &buildGeometry, buildRangeInfos);
VkBufferMemoryBarrier barrier = {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR,
.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = buffer->buffer,
.offset = 0,
.size = buffer->size,
};
vkCmdPipelineBarrier(cmd->getHandle(), VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR, 0, 0,
nullptr, 1, &barrier, 0, nullptr);
scratchBuffer->bind();
cmd->bindResource(PBufferAllocation(scratchBuffer));
graphics->getDestructionManager()->queueResourceForDestruction(std::move(scratchBuffer));