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f1f082e1
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2020-01-17T14:53:38
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Vulkan: Set varying location & xfb decorations in SPIR-V
The shader translator outputs arbitrary location indices. Once compiled
by glslang, the SPIR-V transformer modifies these decorations. If the
transform feedback extension is used, it will also add the relevant
decorations to the varyings that are captured.
Bug: angleproject:3394
Change-Id: I5ecafd0536408612a5d4b920dbabbfabe650657c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2008468
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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5ca050d1
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2020-01-20T14:59:41
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Vulkan: Set fragment output locations in SPIR-V
The shader translator outputs arbitrary location indices for fragment
outputs. Once compiled by glslang, the SPIR-V transformer modifies
these decorations.
Bug: angleproject:3394
Change-Id: Ib9d8336bccc392e789e4d93031fdcce9c466b7a6
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2011214
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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71e6afb1
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2020-01-14T14:12:31
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Vulkan: Set set/binding in SPIR-V
This change introduces a SPIR-V transformer that modifies shader
interface variable decorations directly in SPIR-V instead of
manipulating the input GLSL. Currently, descriptor set and binding
indices are set by the transformer.
The shader translator outputs arbitrary set and binding indices. Once
compiled by glslang, the SPIR-V transformer modifies these decorations.
The ultimate goal is to be able to modify the SPIR-V again when program
pipeline objects decide a different set/binding is necessary.
Bug: angleproject:3394
Change-Id: If358265a72bf1fe9f5676562b39a632cb2e05dc4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2001477
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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b36e46ab
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2020-01-08T15:49:18
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Vulkan: Line raster emulation through specialization constant
In preparation for compiling shaders early at link time, this change
reworks line raster emulation such that it uses specialization constants
instead of a preprocessor condition. This means drawing both triangles
and lines with this program will still result in a one-time shader
compilation.
The compilation is still done at draw time in this change.
Bug: angleproject:3394
Change-Id: I0bf91398868d7f7147456533b728906b505192b2
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1992365
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
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f02490d1
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2019-12-23T14:06:12
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Vulkan: clean up arguments to glslang wrapper
Some flags were sent as parameters while an Options parameter was added.
This change moves those flags to the GlslangSourceOptions struct.
Bug: angleproject:3394
Change-Id: Iff5c1c83dd564d7bcfcbd84e6df244b7356d669d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1984108
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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caa6eccd
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2019-10-27T13:46:56
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Vulkan: Implement Transform Feedback support via extension
Implemented transform feedback extension path. Where
VK_EXT_transform_feedback is supported, extension path will be taken
over an emulation path. Extension path has advantages in terms of
performance.
BUG=angleproject:3206
Test: dEQP-GLES3.functional.transform_feedback.*
angle_end2end_tests --gtest_filter=TransformFeedbackTest*
Change-Id: Ia07c23afb289d9c67073469a97b714ec96f5265a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1882767
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
Reviewed-by: Mohan Maiya <m.maiya@samsung.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
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a48f95ab
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2019-10-14T14:49:49
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Move Vulkan GlslangWrapper code to a shared location.
Metal backend will reuse Vulkan's GlslangWrapper code.
The Metal backend will use this code to translate glsl to spirv then
cross compile to Metal Shading Language using spirv-cross.
So the source code of GlslangWrapper should be moved outside vulkan folder.
Bug: angleproject:2634
Change-Id: I208062daf0d77756c9d32cfdab925b7dfdf83e05
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1858042
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
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