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Implement transform feedback with VK_EXT_transform_feedback

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Tested to work in Xenoblade Chronicles DE, the code handles both hades varying input and buffer setup.
This commit is contained in:
Billy Laws
2022-07-31 14:58:24 +01:00
parent 06053d3caf
commit dccc86ea97
8 changed files with 277 additions and 8 deletions
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6
app/src/main/cpp/skyline/gpu/trait_manager.h
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@ -35,9 +35,11 @@ namespace skyline::gpu {
bool supportsAtomicInt64{}; //!< If atomic operations on 64-bit integers are supported in shaders
bool supportsFloatControls{}; //!< If extensive control over FP behavior is exposed (with VK_KHR_shader_float_controls)
vk::PhysicalDeviceFloatControlsProperties floatControls{}; //!< Specifics of FP behavior control (All members will be zero'd out when unavailable)
bool supportsTransformFeedback{}; //!< If the 'VK_EXT_transform_feedback' extension is supported with neccessary features for emulation
bool supportsImageReadWithoutFormat{}; //!< If a storage image can be read without a format
bool supportsTopologyListRestart{}; //!< If the device supports using primitive restart for topology lists (with VK_EXT_primitive_topology_list_restart)
bool supportsTopologyPatchListRestart{}; //!< If the device supports using primitive restart for topology patch lists (with VK_EXT_primitive_topology_list_restart)
bool supportsGeometryShaders; //!< If the device supports the 'geometryShader' Vulkan feature
bool supportsSubgroupVote{}; //!< If subgroup votes are supported in shaders with SPV_KHR_subgroup_vote
u32 subgroupSize{}; //!< Size of a subgroup on the host GPU
@ -74,6 +76,7 @@ namespace skyline::gpu {
vk::PhysicalDeviceProperties2,
vk::PhysicalDeviceDriverProperties,
vk::PhysicalDeviceFloatControlsProperties,
vk::PhysicalDeviceTransformFeedbackPropertiesEXT,
vk::PhysicalDeviceSubgroupProperties>;
using DeviceFeatures2 = vk::StructureChain<
@ -87,7 +90,8 @@ namespace skyline::gpu {
vk::PhysicalDeviceShaderDrawParametersFeatures,
vk::PhysicalDeviceProvokingVertexFeaturesEXT,
vk::PhysicalDevicePrimitiveTopologyListRestartFeaturesEXT,
vk::PhysicalDeviceImagelessFramebufferFeatures>;
vk::PhysicalDeviceImagelessFramebufferFeatures,
vk::PhysicalDeviceTransformFeedbackFeaturesEXT>;
TraitManager(const DeviceFeatures2 &deviceFeatures2, DeviceFeatures2 &enabledFeatures2, const std::vector<vk::ExtensionProperties> &deviceExtensions, std::vector<std::array<char, VK_MAX_EXTENSION_NAME_SIZE>> &enabledExtensions, const DeviceProperties2 &deviceProperties2, const vk::raii::PhysicalDevice& physicalDevice);