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Vulkan: Optimize PBO download between RGBA and BGRA

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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>
This commit is contained in:
Shahbaz Youssefi
2023-06-28 23:03:51 -04:00
committed by Angle LUCI CQ
parent c934d86be8
commit 0892420bcf
13 changed files with 969 additions and 73 deletions
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12
scripts/code_generation_hashes/Vulkan_internal_shader_programs.json
View File

@@ -89,6 +89,10 @@
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"src/libANGLE/renderer/vulkan/shaders/gen/ConvertVertex.comp.00000007.inc":
"105331ec6b8d657fc30ff93f73258baa",
"src/libANGLE/renderer/vulkan/shaders/gen/CopyImageToBuffer.comp.00000000.inc":
"e2cef2fa091bf445a58ded05ad3f83e6",
"src/libANGLE/renderer/vulkan/shaders/gen/CopyImageToBuffer.comp.00000001.inc":
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"src/libANGLE/renderer/vulkan/shaders/gen/EtcToBc.comp.00000000.inc":
"435329724f5ff414203f06cc8512d232",
"src/libANGLE/renderer/vulkan/shaders/gen/EtcToBc.comp.00000001.inc":
@@ -295,6 +299,10 @@
"5ff76fedb3a1bf48c9290bacf47d7b97",
"src/libANGLE/renderer/vulkan/shaders/src/ConvertVertex.comp.json":
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"src/libANGLE/renderer/vulkan/shaders/src/CopyImageToBuffer.comp":
"4e61e3bd573864e7c7678268d771fd1f",
"src/libANGLE/renderer/vulkan/shaders/src/CopyImageToBuffer.comp.json":
"714ec17d9849105717534ff69b8dc3ad",
"src/libANGLE/renderer/vulkan/shaders/src/EtcToBc.comp":
"03acbcc8abd31c280fd1b9781a765f47",
"src/libANGLE/renderer/vulkan/shaders/src/EtcToBc.comp.json":
@@ -320,9 +328,9 @@
"src/libANGLE/renderer/vulkan/shaders/src/OverlayDraw.vert":
"5aa33152fce5b9261c4d427ad2babdd7",
"src/libANGLE/renderer/vulkan/vk_internal_shaders_autogen.cpp":
"ecba61a9a48ebb3f33f98fe293e81d33",
"347aa65177b36dcd4be05f388de7d6b8",
"src/libANGLE/renderer/vulkan/vk_internal_shaders_autogen.h":
"3bbb4951e95faa02c125ee4fdc9026df",
"9a1da1895327bf948819dd8f89be3fe7",
"tools/glslang/glslang_validator.exe.sha1":
"17e862cc6f462fecbf50b24ed6544a27",
"tools/glslang/glslang_validator.sha1":