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7c6da493
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2021-07-26T21:24:25
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Translator: Make sure built-in variables are consistent
Some transformations left the tree in an inconsistent state, for example
if it used gl_SampleMask from ES3.1+OES_sample_variables and the
transformation added a usage of gl_SampleMask from ES3.2. The offending
transformations are fixed and AST validation is improved to catch such
errors.
Bug: angleproject:4889
Change-Id: I9d9ea5bb43a9408dd4c6dc3e89ec20d60dfeff73
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3054613
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
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c4ca12e3
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2020-11-20T09:02:54
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Vulkan: Support the single-sampled targets
Add support for gl_SampleMask for single-sampled targets.
When dealing with a single-sampled target, gl_SampleMask
is always be set to 0xFFFFFFFF. And when the target is
single-sampled, sample shading is disabled to enable
Bresenham line rasterization.
Bug: angleproject:3588
Tests: dEQP-GLES31.functional.shaders.sample_variables.
sample_mask.discard_half_per_pixel.*
sample_mask.discard_half_per_sample.*
sample_pos.correctness.*
sample_mask_in.bit*_per_two_samples.*
sample_mask.discard_half_per_two_samples.*
sample_mask.inverse_per_*
Change-Id: Ibb471261b8451ff01fab3dc43f2e965ae2999610
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2477909
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
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cc5f7989
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2020-11-19T07:59:01
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Vulkan: Support gl_SampleMask with non-const index
Add support for access to gl_SampleMask or gl_SampleMaskIn
with non-constant index. Replace gl_SampleMask with
ANGLESampleMask and reassign ANGLESampleMask
to gl_SampleMask in the end.
Bug: angleproject:3588
Tests: dEQP-GLES31.functional.shaders.sample_variables.sample_mask.
discard_half_per_pixel.*
discard_half_per_sample.*
Change-Id: Ie668c3ccf4d40352574db57f5e43b2f17ef6d8b8
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2477908
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
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