Shahbaz Youssefi 0892420bcf Vulkan: Optimize PBO download between RGBA and BGRA ...

Google Meet hits this path in Chrome when blurring the background.  The
CPU readback was particularly slow on Intel/Mesa where readback from the
temp buffer took hundreds of milliseconds.

This change adds a compute shader that directly copies from the image to
the pack buffer in simple but common cases.

Bug: b/286882707
Change-Id: I9877ea01e3d8377db96f2539362aca67cf832b4a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4657058
Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Yuxin Hu <yuxinhu@google.com>
Reviewed-by: Charlie Lao <cclao@google.com>
Commit-Queue: Yuxin Hu <yuxinhu@google.com>

2023-07-06 17:45:07 +00:00

..

ANGLE_format.json

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ANGLE_load_functions_table.json

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ANGLE_shader_preprocessor.json

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ANGLE_shader_translator.json

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D3D11_blit_shader_selection.json

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D3D11_format.json

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DXGI_format_support.json

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DXGI_format.json

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Emulated_HLSL_functions.json

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Extension_files.json

extension xmls: fix incorrect use of <ptype> tags

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GL_copy_conversion_table.json

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GL_CTS_(dEQP)_build_files.json

Roll VK-GL-CTS from 12bc45af35d5 to e7b180ad5366 (12 revisions)

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GL_EGL_entry_points.json

Make glColor/DepthMask entry points lockless

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GL_EGL_WGL_loader.json

extension xmls: fix incorrect use of <ptype> tags

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GL_format_map.json

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GLenum_value_to_string_map.json

extension xmls: fix incorrect use of <ptype> tags

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interpreter_utils.json

extension xmls: fix incorrect use of <ptype> tags

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Metal_default_shaders.json

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Metal_format_table.json

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OpenGL_dispatch_table.json

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overlay_fonts.json

Roll Chromium from d6f22a2a164b to 9e0b5e8b8a85 (1063 revisions)

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overlay_widgets.json

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packed_enum.json

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proc_table.json

extension xmls: fix incorrect use of <ptype> tags

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restricted_traces.json

Tests: Add Evony: The King's Return trace

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SPIR-V_helpers.json

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Static_builtins.json

Roll Chromium from d6f22a2a164b to 9e0b5e8b8a85 (1063 revisions)

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uniform_type.json

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Vulkan_format.json

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Vulkan_internal_shader_programs.json

Vulkan: Optimize PBO download between RGBA and BGRA

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Vulkan_mandatory_format_support_table.json

Manual roll vulkan-deps from 2b2cba62bfea to e21365bc9170 (38 revisions)

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