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046fa0ef
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2018-02-02T14:51:36
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Vulkan: Prepend layer path to VK_LAYER_PATH
Directly setting this variable overwrites old value, as might be
unexpected. Instead the path can be prepended to it, so that old
value can still work.
This is needed in order to use additional debugging layers, like
the "api_dump" layer. See https://github.com/LunarG/VulkanTools
for more.
BUG=angleproject:2333
Change-Id: I5338a5b928ffa792cc9b6db5b69713320b5b0842
Reviewed-on: https://chromium-review.googlesource.com/898591
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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b8bbbf9e
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2017-09-19T00:24:59
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Vulkan: Use environment override to load layers.
Instead of using a compile-time define, use an OS call to override
the environment variable the loader uses to look for layers. This
should allow us to have a run-time override mechanism, so we can
more easily use ANGLE with RenderDoc and other tools that hook
into the layers for debugging and profiling purposes.
This should also allow the developer to install and use their own
layers with ANGLE if desired.
This patch removes the angle_loader.h generation since it is no
longer necessary.
It also fixes an unrelated loader warning that occured when releasing
the current pipeline object.
BUG=angleproject:1898
Change-Id: Ic4a5120a6b73745397451ef9e3897e157da1feda
Reviewed-on: https://chromium-review.googlesource.com/671490
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Frank Henigman <fjhenigman@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
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a66779fc
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2017-01-06T10:43:44
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Vulkan: Load layers relative to executable dir.
Instead of baking in a relative path and expecting the app to run from
a fixed directory, we can change the CWD at runtime so the layers can
load relative to the current executable directory.
Future alternatives could include modifying the layers SDK to provide
a path dynamically, but for now the relative paths must be baked in
at compile-time.
BUG=angleproject:1319
BUG=chromium:677841
Change-Id: I443b6b35d38276ea667cdf08ec2204ea280b6cec
Reviewed-on: https://chromium-review.googlesource.com/425441
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Frank Henigman <fjhenigman@chromium.org>
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dcab56a1
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2017-01-05T14:47:34
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Move some file utils to common.
Since common is shared through all ANGLE code (libANGLE/tests/samples)
this is the most general place for these utils, and will give libANGLE
access to them. We'll need them to get the current executable dir for
loading the Vulkan layers.
This also means we'll need to fix the global static variable use when
we have the ability.
BUG=angleproject:1319
BUG=chromium:677841
Change-Id: I7af61920635135b28a2f02f4a8d019ee88c9dd28
Reviewed-on: https://chromium-review.googlesource.com/425440
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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