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Hash : 4b7bac78
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Date : 2020-02-15T12:17:12
Vulkan: Throttle when way ahead of device. This CL adds a fence wait when we get more than 100 serials behind the device. This fixes an ASSERT when unit tests or offscreen performance tests get way ahead of the device. Bug: angleproject:3630 Bug: angleproject:4281 Change-Id: I90f9af1b2ceb2b1cd9f2f638d6d84caaeeb83bb1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2057351 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Ian Elliott <ianelliott@google.com> Reviewed-by: Tim Van Patten <timvp@google.com>
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Files
- BUILD.gn
- BufferVk.cpp
- BufferVk.h
- CommandGraph.cpp
- CommandGraph.h
- CompilerVk.cpp
- CompilerVk.h
- ContextVk.cpp
- ContextVk.h
- DeviceVk.cpp
- DeviceVk.h
- DisplayVk.cpp
- DisplayVk.h
- DisplayVk_api.h
- FenceNVVk.cpp
- FenceNVVk.h
- FramebufferVk.cpp
- FramebufferVk.h
- GlslangWrapperVk.cpp
- GlslangWrapperVk.h
- ImageVk.cpp
- ImageVk.h
- MemoryObjectVk.cpp
- MemoryObjectVk.h
- OverlayVk.cpp
- OverlayVk.h
- PersistentCommandPool.cpp
- PersistentCommandPool.h
- ProgramPipelineVk.cpp
- ProgramPipelineVk.h
- ProgramVk.cpp
- ProgramVk.h
- QueryVk.cpp
- QueryVk.h
- README.md
- RenderTargetVk.cpp
- RenderTargetVk.h
- RenderbufferVk.cpp
- RenderbufferVk.h
- RendererVk.cpp
- RendererVk.h
- SamplerVk.cpp
- SamplerVk.h
- SecondaryCommandBuffer.cpp
- SecondaryCommandBuffer.h
- SemaphoreVk.cpp
- SemaphoreVk.h
- ShaderVk.cpp
- ShaderVk.h
- SurfaceVk.cpp
- SurfaceVk.h
- SyncVk.cpp
- SyncVk.h
- TextureVk.cpp
- TextureVk.h
- TransformFeedbackVk.cpp
- TransformFeedbackVk.h
- UtilsVk.cpp
- UtilsVk.h
- VertexArrayVk.cpp
- VertexArrayVk.h
- android/
- doc/
- fuchsia/
- gen_vk_format_table.py
- gen_vk_internal_shaders.py
- gen_vk_mandatory_format_support_table.py
- ggp/
- mac/
- shaders/
- vk_cache_utils.cpp
- vk_cache_utils.h
- vk_caps_utils.cpp
- vk_caps_utils.h
- vk_ext_provoking_vertex.h
- vk_format_map.json
- vk_format_table_autogen.cpp
- vk_format_utils.cpp
- vk_format_utils.h
- vk_helpers.cpp
- vk_helpers.h
- vk_internal_shaders_autogen.cpp
- vk_internal_shaders_autogen.gni
- vk_internal_shaders_autogen.h
- vk_mandatory_format_support_data.json
- vk_mandatory_format_support_table_autogen.cpp
- vk_utils.cpp
- vk_utils.h
- vk_wrapper.h
- win32/
- xcb/
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README.md
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ANGLE: Vulkan Back-end
ANGLE’s Vulkan back-end implementation lives in this folder.
Vulkan is an explicit graphics API. It has a lot in common with other explicit APIs such as Microsoft’s D3D12 and Apple’s Metal. Compared to APIs like OpenGL or D3D11 explicit APIs can offer a number of significant benefits:
- Lower API call CPU overhead.
- A smaller API surface with more direct hardware control.
- Better support for multi-core programming.
- Vulkan in particular has open-source tooling and tests.
Back-end Design
The
RendererVkclass represents anEGLDisplay.RendererVkowns shared global resources like the VkDevice, VkQueue, the Vulkan format tables and internal Vulkan shaders. The ContextVk class implements the back-end of a front-end OpenGL Context. ContextVk processes state changes and handles action commands likeglDrawArraysandglDrawElements.Implementation details can be found in the
docdirectory.