Release for Vulkan SDK 1.1.106

• Add support for tessellation.
• Add correct function entry point handling.
• Add support for VK_KHR_get_surface_capabilities2 extension.
• Implement newer VK_KHR_swapchain extension functions.
• Support the VK_EXT_host_query_reset extension.
• Add support for tracking device features enabled during vkCreateDevice().
• Handle surface loss due to window moved between screens or a window style change.
• Allow zero offset and stride combo in VkVertexInputBindingDescription.
• API: Add MVKPhysicalDeviceMetalFeatures::depthSampleCompare.
• Fix conditions under which functions return VK_INCOMPLETE.
• Fix potential memory leak on synchronous command buffer submission.
• Increase shader float constant accuracy beyond 6 digits of precision.
• fetchDependencies: Stop on first error.
• Clean up behaviour of sparse binding functions.
• Fix a possible race condition around MVKMTLBufferAllocation.
• Fix memory overrun if no vertex buffer found with same binding as a vertex attribute.
• Fix PVRTC texture content loading via memory mapping.
• Fix wrong offset for vkCmdFillBuffer() on VK_WHOLE_SIZE.
• Fixed crash within MVKPushConstantsCommandEncoderState when accessing absent
  graphics pipeline during a compute stage.
• Fixed crash when MTLRenderPassDescriptor renderTargetWidth & renderTargetHeight
  set on older devices.
• Renderpass width/height clamped to the renderArea includes offset, not just extent,
  and are set only when layered rendering is supported on device.
• Set options properly on a buffer view's MTLTextureDescriptor.
• Don't set MTLSamplerDescriptor.compareFunction on devices that don't support it.
• Disable the shaderStorageImageArrayDynamicIndexing feature on iOS.
• Debug build mode includes dSYM file for each dylib file.
• Explicitly build dSYM files in BUILT_PRODUCTS_DIR to avoid conflict between
  macOS and iOS build locations.
• Makefile supports install target to install MoltenVK.framework.
  into /Library/Frameworks/.
• Add MVK_CONFIG_TRACE_VULKAN_CALLS env var and build setting to log Vulkan calls made by application.
• Log shader performance statistics in any runtime if MVKConfiguration::performanceLoggingFrameCount non-zero.
• Suppress visibility warning spam when building Debug macOS from SPIRV-Cross Release build.
• Support Xcode 10.2.
• Update VK_MVK_MOLTENVK_SPEC_VERSION to 19.
• MoltenVKShaderConverter tool:
  • Support cs & csh for compute shader file extensions.
  • Validate converted MSL with a test compilation.
  • Add option to log shader conversion performance.
• Update to latest SPIRV-Cross version:
  • MSL: Add support for Metal 2 indirect argument buffers.
  • MSL: Add support for tessellation control & evaluation shaders.
  • MSL: Support VK_KHR_push_descriptor.
  • MSL: Force unnamed array builtin attributes to have a name.
  • MSL: Set location of builtins based on client input.
  • MSL: Ignore duplicate builtin vertex attributes.
  • MSL: Fix crash where variable storage buffer pointers are passed down.
  • MSL: Fix infinite CAS loop on atomic_compare_exchange_weak_explicit().
  • MSL: Fix depth2d 4-component fixup.
  • MSL: Expand quad gl_TessCoord to a float3.
  • MSL: Fix depth textures which are sampled and compared against.
  • MSL: Emit proper name for optimized UBO/SSBO arrays.
  • MSL: Support emit two layers of address space.
  • MSL: Declare gl_WorkGroupSize constant with [[maybe_unused]].
  • MSL: Fix OpLoad of array which is forced to a temporary.
  • Add stable C API and ABI.
  • Performance improvements & reduce pressure on global allocation.
  • Fix case where a struct is loaded which contains a row-major matrix.
  • Fix edge case where opaque types can be declared on stack.
  • Ensure locale handling is safe for multi-threading.
  • Add support for sanitizing address and threads.
  • Add support for SPV_NV_ray_tracing.
  • Support -1 index in OpVectorShuffle.
  • Deal more flexibly with for-loop & while-loop variations.
  • Detect invalid DoWhileLoop early.
  • Force complex loop in certain rare access chain scenarios.
  • Make locale handling threadsafe.
  • Support do-while where test is negative.
  • Emit loop header variables even for while and dowhile.
  • Properly deal with sign-dependent GLSL opcodes.
  • Deal with mismatched signs in S/U/F conversion opcodes.
  • Rewrite how we deal with locales and decimal point.
  • Fix crash when backend.int16_t_literal_suffix set to null.
  • Introduce customizable SPIRV-Cross namespaces and use MVK_spirv_cross in MoltenVK.

Release for Vulkan SDK 1.1.101

• Support the VK_EXT_memory_budget extension.
• Support 8-bit part of VK_KHR_shader_float16_int8.
• Disable the shaderStorageImageMultisample feature.
• Modify README.md to direct developers to Vulkan SDK.
• Clarify Xcode version requirements in documentation.
• Use the MTLDevice registryID property to locate the GPU in IOKit.
• Add GPU device ID for iOS A12 SoC.
• Allow logging level to be controlled with MVK_CONFIG_LOG_LEVEL
  runtime environment variable.
• Allow forcing use of low-power GPU using MVK_CONFIG_FORCE_LOW_POWER_GPU
  runtime environment variable.
  Set MSL version for shader compiling from Metal feature set.
• Don't warn on identity swizzles when fullImageViewSwizzle config setting is enabled.
• Track version of spvAux buffer struct in SPRIV-Cross and fail build if different
  than version expected by MoltenVK.
• Add static and dynamic libraries to MoltenVKShaderConverter project.
• Fix crash from use of MTLDevice registryID on early OS versions.
• fetchDependencies: Fix issue loading from Vulkan-Portability_repo_revision.
• fetchDependencies: Clean MoltenVK build to ensure using latest dependency libs.
• Update to latest dependency libraries to support SDK 1.1.101.
• Update to latest SPIRV-Cross version:
  • MSL: Implement 8-bit part of VK_KHR_shader_float16_int8.
  • MSL: Add a setting to capture vertex shader output to a buffer.
  • MSL: Stop passing the aux buffer around.
  • Support LUTs in single-function CFGs on Private storage class.

Add support for VK_EXTX_portability_subset extension.

• Add support for VK_EXTX_portability_subset extension.
• iOS: Support dual-source blending with iOS 11.
• iOS: Support cube arrays with A11.
• iOS: Support layered rendering and multiple viewports with A12.
• Use combined store-resolve ops when supported and requested in renderpass.
• Fixes to values returned from vkGetPhysicalDeviceImageFormatProperties()
  and vkGetPhysicalDeviceImageFormatProperties2KHR().
• Log and return VK_ERROR_FEATURE_NOT_PRESENT error if vkCreateImageView()
  requires shader swizzling but it is not enabled.
• Log and return VK_ERROR_FEATURE_NOT_PRESENT error if array of textures or
  array of samplers requested but not supported.
• Treat all attributes & resources as used by shader when using pre-converted MSL.
• Allow default GPU Capture scope to be assigned to any queue in any queue family.
• VkPhysicalDevice: Correct some features and limits.
• Stop advertising atomic image support.
• vkSetMTLTextureMVK() function retains texture object.
• Log to stderr instead of stdout.
• fetchDependencies: build spirv-tools when attached via symlink.
• Enhancements to MVKVector, and set appropriate inline sizing usages.
• Update VK_MVK_MOLTENVK_SPEC_VERSION to 17.
• Update to latest SPIRV-Cross version:
  • MSL: Use correct size and alignment rules for structs.
  • MSL: Fix texture projection with Dref.
  • MSL: Deal with resource name aliasing.

Release for Vulkan SDK 1.1.97

• Support runtime config via runtime environment variables
• Add full ImageView swizzling to config, and disable it by default.
• Add GPU switching to config, and enable it by default.
• Add queue family specialization to config, and disable it by default.
• Enable synchronous queue submits as config default.
• Support 4 queue families.
• Pad fragment shader output to 4 components when needed.
• Add support for copying to and from PVRTC images.
• Log Vulkan versions in human readable form when reporting version error.
• Update VK_MVK_MOLTENVK_SPEC_VERSION to 16.
• Update copyright to 2019.
• Advertise the VK_AMD_gpu_shader_half_float extension.
• Support the VK_KHR_variable_pointers extension.
• MoltenVKShaderConverter tool exit with fail code on any file conversion fail.
• Update to latest dependency libraries for Vulkan SDK 1.1.97.
• Update to latest SPIRV-Cross version:
  • MSL: Support SPV_KHR_variable_pointers.
  • MSL: Workaround missing gradient2d() on macOS for typical cascaded shadow mapping.
  • MSL: Fix mapping of identity-swizzled components.
  • MSL: Support composites inside I/O blocks.
  • MSL: Fix case where we pass arrays to functions by value.
  • MSL: Add option to pad fragment outputs.
  • MSL: Fix passing a sampled image to a function.
  • MSL: Support std140 packing rules for float[] and float2[].
  • MSL: Fix image load/store for short vectors.
  • Performance improvements on iterating internal constructs.
  • Update copyright to 2019.

Enhancements to swapchain, GPU display control, and S3TC compression

• Allow 2 or 3 swapchain images to support both double and triple buffering.
• Force display to switch to GPU selected by vkCreateDevice() to avoid system view compositor having to copy from that GPU to display GPU.
• Use inline buffer for pipeline auxiliary buffer.
• vkCmdCopyImage: Cast source image to the destination format.
• Result of vkGetPhysicalDeviceFormatProperties2KHR match vkGetPhysicalDeviceFormatProperties.
• MVKImage: Return error for BLOCK_TEXEL_VIEW.
• MVKDescriptorSet: Fix handling of immutable samplers.
• MVKPipeline: Forbid vertex attribute offsets >= stride.
• Fix handling of case where vertex bindings and binding indices don't match up.
• Return VK_TIMEOUT even on zero wait if fences not signalled.
• Support iOS builds for arm64e architecture.
• Improvements to building external libraries.
• Print Vulkan semantics when logging converted GLSL.
• Support uploading S3TC-compressed 3D images.

Numerous enhancements and fixes

• Replace use of std::vector with MVKVector to support allocations on stack.
• Add missing include MVKEnvironment.h to MVKImage.mm for IOSurfaces.
• vkCmdClearAttachments apply [[render_target_array_index]] more carefully.
• vkCmdPushDescriptorSet: Fix mapping of binding numbers to descriptor layouts.
• Forbid depth/stencil formats on anything but 2D images.
• MVKCommandPool: Destroy transfer images using the device.
• MVKPipeline: Reject non-multiple-of-4 vertex buffer strides.
• MVKPipeline: Set auxiliary buffer offsets once, on layout creation.
• MVKSampler: Support border colors.
• MVKImage: Round up byte alignment to the nearest power of 2.
• MVKImage: Don't set MTLTextureUsageRenderTarget for non-blittable formats.
• MVKImage: Support image views of 2D multisample array images.
• MVKGraphicsPipeline: Add dummy attachments even when rasterization is off.
• MVKDeviceMemory: Try creating an MTLBuffer before allocating heap memory.
• Add support for VK_FORMAT_A2R10G10B10_UNORM_PACK32.
• Support A8B8G8R8_PACK32 formats.
• Add new formats and fix existing ones.
• On macOS, VK_FORMAT_E5B9G9R9_UFLOAT_PACK32 can only be filtered.
• On macOS, linear textures cannot be blitted to.
• Depth formats cannot be used for a VkBufferView.
• Give every image format we support the BLIT_SRC feature.
• Correct supported features of compressed formats.
• Correct mapping of packed 16-bit formats.
• Add some more vertex formats.
• Don't use char/uchar for clearing/copying 8-bit formats.
• Explicitly set number of sparse image property/requirement info sets to 0.
• Retrieve linear image memory alignment requirements from Metal device.
• For each GPU, log MSL version and updated list of feature sets.
• Cube demo on iOS support Portrait and Landscape device orientation.
• Build the dylib with -fsanitize=address when asan is enabled.
• Fix name of generated dSYM file.
• Update to latest SPIRV-Cross version:
  • MSL don't emit memory_scope after MSL 2.0.

Add support for several extensions

• Add support for extensions:
  • VK_KHR_bind_memory2
  • VK_KHR_swapchain_mutable_format
  • VK_KHR_shader_float16_int8
  • VK_KHR_8bit_storage
  • VK_KHR_16bit_storage
  • VK_KHR_relaxed_block_layout
  • VK_KHR_maintenance3
  • VK_KHR_storage_buffer_storage_class
• Add support for 2D multisample array textures.
• Ignore fragment shader if raster discard is enabled.
• Force signedness of shader vertex attributes to match the host.
• In debug configurations, create a dSYM bundle for libMoltenVK.dylib.
• MVKImage: Take lock when setting the MTLTexture manually.
• Optimize MVKFenceSitter.
• Support parallel builds of fetchDependencies to improve build times.
• Change internal header references to increase header path flexibility.
• Update to latest SPIRV-Cross version:
  • MSL: Use an enum instead of two mutually exclusive booleans.
  • MSL: Force signedness of shader vertex attributes to match the host.
  • Support gl_HelperInvocation on GLSL and MSL.

Release for Vulkan SDK 1.1.92

• Remove destroyed resources from descriptor sets.
• Forbid compressed formats on non-2D images.
• Update to latest dependency libraries for Vulkan SDK 1.1.92.
• Update to latest SPIRV-Cross version:
  • MSL: Print early_fragment_tests specifier before fragment shader declaration.
  • MSL: Also pack members at unaligned offsets.
  • MSL: Also pack 2- and 4- element vectors when necessary.
  • MSL: Emit wrapper for SSign (sign() for int types).
  • MSL: Support extended arithmetic opcodes.
  • Handle opcode OpSourceContinued.
  • Handle group decorations.

Memory types, bitcode, MSL 8/16-bit & spec constants

• Fix memoryTypes order to match Vulkan spec.
• Allow linear images to use host-coherent memory.
• Generate Bitcode in iOS libraries.
• Allow all pipeline attachements to be unused.
• Perform usage checks on 3D images.
• Enhancements to dylib generation script.
• Update to latest SPIRV-Cross version:
  • MSL: Support 8 & 16 bit types.
  • MSL: Updated spec constant support.

Refactor the build environment

• Refactor the build environment.
  • Support creation of static library and build framework and dynamic library from it.
  • Add Makefile to better support command line or script building integration.
  • Update demos to each use one of framework, static library, and dynamic library.
  • Refactor and rename the build scripts.
  • Refactor and rename the Xcode Schemes.
  • Update build and runtime documentation.
• Update shader caching for compatibility with texture swizzling.
• Support polygonMode VK_POLYGON_MODE_POINT.
• vkCreateInstance returns VK_ERROR_INCOMPATIBLE_DRIVER if Metal not available.