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SPIRV-Cross/shaders-msl/frag
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Bill Hollings ebb5098def MSL: Adjust gl_SampleMaskIn for sample-shading and/or fixed sample mask. 
Vulkan specifies that the Sample Mask Test occurs before fragment shading.
This means gl_SampleMaskIn should be influenced by both sample-shading and
VkPipelineMultisampleStateCreateInfo::pSampleMask.

CTS tests dEQP-VK.pipeline.multisample_shader_builtin.* bear this out.

For sample-shading, gl_SampleMaskIn should only have a single bit set,
Since Metal does not filter for this, apply a bitmask based on gl_SampleID.

For a fixed sample mask, since Metal is unaware of
VkPipelineMultisampleStateCreateInfo::pSampleMask, we need to ensure that
we apply it to both gl_SampleMaskIn and gl_SampleMask. This has the side
effect of a redundant application of pSampleMask if the shader already
includes gl_SampleMaskIn when setting gl_SampleMask, but I don't see an
easy way around this.

Also, simplify the logic for including the fixed sample mask in gl_ShaderMask,
and print the fixed sample mask as a hex value for readability of bits.
2021-07-13 21:22:13 -04:00
..
argument-buffers.msl2.argument.frag MSL: Need to emit two layers of address space. 2019-03-15 11:29:17 +01:00
array-component-io.frag MSL: Handle array with component when we cannot rely on user() attrib. 2021-05-21 13:46:33 +02:00
array-lut-no-loop-variable.frag Disallow arrays and structs from becoming loop variables. 2018-03-07 14:54:11 +01:00
array-of-array-lut.frag MSL: Fix array of array declaration. 2019-10-26 16:10:12 +02:00
array-of-texture-swizzle-nonconstant-uniform.msl2.argument.discrete.swizzle.frag MSL: Don't remove periods from swizzle buffer index exprs. 2020-10-20 17:47:40 -05:00
array-of-texture-swizzle-nonconstant-uniform.msl2.swizzle.frag MSL: Don't remove periods from swizzle buffer index exprs. 2020-10-20 17:47:40 -05:00
array-of-texture-swizzle.msl2.argument.discrete.swizzle.frag MSL: Support argument buffers and image swizzling. 2019-05-18 10:30:06 +02:00
array-of-texture-swizzle.msl2.swizzle.frag MSL: Add test for passing single swizzled texture arg from array. 2019-05-09 14:19:40 +02:00
barycentric-nv-nopersp.msl22.frag MSL: Support PrimitiveID in fragment and barycentrics. 2019-06-19 09:52:35 +02:00
barycentric-nv.msl22.frag MSL: Support PrimitiveID in fragment and barycentrics. 2019-06-19 09:52:35 +02:00
basic.force-sample.frag MSL: Adjust FragCoord for sample-rate shading. 2020-11-23 10:30:24 -06:00
basic.frag Add explicit in/out locations everywhere. 2017-06-21 09:39:08 +02:00
binary-func-unpack-pack-arguments.frag Unpack expressions when used in functions on MSL. 2018-06-11 10:56:45 +02:00
binary-unpack-pack-arguments.frag Also unpack regular unary/binary operations on MSL. 2018-06-11 16:23:09 +02:00
bitcasting.1d-as-2d.frag MSL: Handle Offset and Grad operands for 1D-as-2D textures. 2020-10-15 12:51:00 -05:00
bitcasting.frag CompilerMSL map many GLSL functions to MSL functions. 2017-05-19 18:14:08 -04:00
buffer-read-write.frag MSL: Support native texture_buffer type, throw error on atomics. 2019-04-23 12:21:43 +02:00
buffer-read-write.texture-buffer-native.msl21.frag MSL: Support native texture_buffer type, throw error on atomics. 2019-04-23 12:21:43 +02:00
builtins.frag CompilerMSL enhancements. 2017-06-30 19:10:46 -04:00
clip-distance-varying.frag MSL: Support ClipDistance as an input stage variable. 2019-12-02 13:19:42 +01:00
complex-expression-in-access-chain.frag Register implied expression reads in OpLoad/OpAccessChain. 2019-01-04 14:56:12 +01:00
composite-extract-forced-temporary.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
constant-array.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
constant-composites.frag Do not declare constant composites inline in HLSL. 2018-02-02 10:12:26 +01:00
control-dependent-in-branch.desktop.frag Handle control-dependent temporaries. 2018-03-12 17:34:54 +01:00
cull-distance-varying.frag MSL: Handle CullDistance better. 2021-04-19 12:10:49 +02:00
depth-greater-than.frag MSL: Split out early_fragment_tests. 2018-11-12 16:20:49 +01:00
depth-less-than.frag MSL: Split out early_fragment_tests. 2018-11-12 16:20:49 +01:00
disable-frag-output.frag-output.frag MSL: Add options to control emission of fragment outputs. 2020-04-13 15:29:11 -05:00
dual-source-blending.frag Support dual-source blending on GLSL and MSL. 2018-04-03 16:04:49 +02:00
early-fragment-tests.frag MSL: Split out early_fragment_tests. 2018-11-12 16:20:49 +01:00
false-loop-init.frag Add test for false loop init. 2018-01-23 21:15:09 +01:00
flush_params.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
for-loop-continue-control-flow.frag Fall back to complex loop if non-trivial continue block is found. 2019-07-08 11:54:29 +02:00
for-loop-init.frag Fix execution order for for-loop emission. 2017-02-04 10:07:20 +01:00
fp16-packing.frag Implement packHalf2x16/unpackHalf2x16 on MSL. 2018-03-12 17:51:14 +01:00
fragment-component-padding.pad-fragment.frag MSL: Add option to pad fragment outputs. 2019-01-14 15:11:52 +01:00
front-facing.frag Add IsFrontFace support to HLSL. 2018-02-15 12:42:56 +01:00
gather-dref.frag Fix GatherDref on GLSL. 2018-04-30 12:45:23 +02:00
gather-offset.frag Compiler MSL default gather offset when component specified. 2018-04-30 16:30:29 -04:00
helper-invocation.msl21.frag Support gl_HelperInvocation on GLSL and MSL. 2018-11-28 15:18:43 +01:00
huge-argument-buffer.device-argument-buffer.argument.msl2.frag MSL: Add opt-in support for huge IABs. 2019-10-14 16:20:34 +02:00
illegal-name-test-0.frag Add more illegal name replacement in MSL. 2018-04-03 15:36:35 +02:00
image-query-lod.msl22.frag MSL: Support OpImageQueryLod. 2019-06-19 09:51:56 +02:00
in_block.frag Assign block locations to members in MSL. 2017-06-21 09:55:46 +02:00
in_mat.frag CompilerMSL support matrices & arrays in stage-in & stage-out. 2018-06-12 11:41:35 -04:00
input-attachment-ms.arrayed-subpass.msl21.frag MSL: Support layered input attachments. 2020-09-02 09:18:25 -05:00
input-attachment-ms.frag Support passing implicit frag_coord arguments down to functions. 2018-02-10 10:55:09 +01:00
input-attachment-ms.multiview.msl21.frag MSL: Support layered input attachments. 2020-09-02 09:18:25 -05:00
input-attachment.arrayed-subpass.frag MSL: Support layered input attachments. 2020-09-02 09:18:25 -05:00
input-attachment.frag Support passing implicit frag_coord arguments down to functions. 2018-02-10 10:55:09 +01:00
input-attachment.multiview.frag MSL: Support layered input attachments. 2020-09-02 09:18:25 -05:00
interpolation-qualifiers-block.frag Handle interpolation qualifiers on the entire struct, too. 2018-09-06 12:29:42 -05:00
interpolation-qualifiers.frag MSL: Handle interpolation qualifiers. 2018-09-05 12:02:07 -05:00
lut-promotion.frag Add some tests for LUT promotion. 2018-07-05 14:14:18 +02:00
mix.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
mrt-array.frag Properly flatten MRT outputs in MSL. 2018-03-13 14:03:35 +01:00
nonuniform-qualifier.msl2.frag Fix nonuniform test for MSL. 2019-05-13 15:14:18 +02:00
packed-expression-vector-shuffle.frag Deal with packed expressions in more scenarios. 2018-05-25 10:57:02 +02:00
packing-test-3.frag Add some more MSL test shaders. 2018-03-05 16:42:38 +01:00
pixel-interlock-ordered.msl2.argument.frag MSL: Add missing interlock handling to atomic image buffers. 2020-10-13 11:44:17 -05:00
pixel-interlock-ordered.msl2.frag MSL: Add missing interlock handling to atomic image buffers. 2020-10-13 11:44:17 -05:00
pls.frag Add explicit in/out locations everywhere. 2017-06-21 09:39:08 +02:00
post-depth-coverage.ios.msl2.frag Support the SPV_KHR_post_depth_coverage extension. 2019-07-11 10:28:43 -05:00
post-depth-coverage.msl23.frag MSL: Allow post-depth coverage on Mac in MSL 2.3. 2020-10-27 22:07:01 -05:00
private-variable-prototype-declaration.frag MSL: Fix regression with Private parameter declaration. 2019-06-13 10:36:21 +02:00
read-cull-clip-distance-in-function.frag MSL: Make builtin argument type declaration context sensitive. 2021-04-19 12:10:49 +02:00
readonly-ssbo.frag Add test for reading SSBO from fragment shader on MSL. 2018-05-25 10:20:17 +02:00
sample-depth-propagate-state-from-resource.frag MSL: Rewrite propagated depth comparison state handling. 2019-10-26 16:10:11 +02:00
sample-depth-separate-image-sampler.frag Fix depth image usage in MSL for separate image/samplers. 2018-02-10 10:55:10 +01:00
sample-mask-in-and-out.fixed-sample-mask.force-sample.frag MSL: Adjust gl_SampleMaskIn for sample-shading and/or fixed sample mask. 2021-07-13 21:22:13 -04:00
sample-mask-in-and-out.fixed-sample-mask.frag Enabling setting a fixed sampleMask in Metal fragment shaders. 2020-07-24 11:19:46 +02:00
sample-mask-not-used.fixed-sample-mask.frag Enabling setting a fixed sampleMask in Metal fragment shaders. 2020-07-24 11:19:46 +02:00
sample-mask.fixed-sample-mask.frag Enabling setting a fixed sampleMask in Metal fragment shaders. 2020-07-24 11:19:46 +02:00
sample-mask.frag CompilerMSL support gl_SampleMask and convert it to scalar uint from array. 2018-02-13 14:44:40 -05:00
sample-position-func.frag MSL: Handle the SamplePosition builtin. 2018-09-13 09:34:28 -05:00
sample-position.frag MSL: Handle the SamplePosition builtin. 2018-09-13 09:34:28 -05:00
sample-rate-frag-coord-sample-id.frag MSL: Adjust FragCoord for sample-rate shading. 2020-11-23 10:30:24 -06:00
sample-rate-frag-coord-sample-input.frag MSL: Adjust FragCoord for sample-rate shading. 2020-11-23 10:30:24 -06:00
sample-rate-frag-coord-sample-pos.frag MSL: Adjust FragCoord for sample-rate shading. 2020-11-23 10:30:24 -06:00
sample-rate-frag-coord.force-sample.frag MSL: Adjust FragCoord for sample-rate shading. 2020-11-23 10:30:24 -06:00
sampler-1d-lod.1d-as-2d.frag MSL: Handle Offset and Grad operands for 1D-as-2D textures. 2020-10-15 12:51:00 -05:00
sampler-1d-lod.frag Ignore LOD when sampling 1D textures in MSL. 2018-04-04 09:26:53 +02:00
sampler-compare-bias.msl23.1d-as-2d.frag MSL: Allow Bias and Grad arguments with comparison on Mac in MSL 2.3. 2020-10-30 11:14:59 -05:00
sampler-compare-cascade-gradient.frag MSL: Workaround missing gradient2d() for sampler_compare. 2019-01-07 10:01:00 +01:00
sampler-compare-cascade-gradient.ios.frag MSL: Workaround missing gradient2d() for sampler_compare. 2019-01-07 10:01:00 +01:00
sampler-compare-cascade-gradient.msl23.frag MSL: Allow Bias and Grad arguments with comparison on Mac in MSL 2.3. 2020-10-30 11:14:59 -05:00
sampler-image-arrays.msl2.frag Add test for sampler image arrays. 2018-04-04 09:41:20 +02:00
sampler-ms.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
sampler.frag Add explicit in/out locations everywhere. 2017-06-21 09:39:08 +02:00
scalar-refract-reflect.frag MSL/HLSL: Support scalar reflect and refract. 2019-07-03 12:31:52 +02:00
separate-image-sampler-argument.frag Fix separate sampler images in MSL. 2017-05-07 12:36:14 +02:00
shader-arithmetic-8bit.frag MSL: Fix another test incompatibility. 2019-01-30 17:22:38 +01:00
spec-constant-block-size.frag Support spec constant array size in blocks. 2018-02-23 15:11:45 +01:00
spec-constant-ternary.frag Support ternary expressions in OpSpecConstantOp. 2018-06-25 09:49:13 +02:00
stencil-export.msl21.frag MSL: Support stencil export. 2019-06-12 10:21:20 +02:00
subgroup-builtins.msl22.frag MSL: Add support for SubgroupSize / SubgroupInvocationID in fragment. 2019-06-24 12:31:54 +02:00
subgroup-globals-extract.msl22.frag MSL: extract global variables from subgroup ballot operations 2020-11-09 11:23:01 +01:00
switch-unsigned-case.frag Fix unsigned switch case selectors. 2018-11-26 10:36:50 +01:00
swizzle.frag Update tests for latest SPIRV-Tools and glslang. 2018-03-12 15:11:55 +01:00
texel-fetch-offset.1d-as-2d.frag MSL: Handle Offset and Grad operands for 1D-as-2D textures. 2020-10-15 12:51:00 -05:00
texel-fetch-offset.frag MSL: Fix support for texelFetchOffset. 2018-08-07 15:28:04 +02:00
texture-cube-array.frag Further updates for pull request #1162; also added two test cases for spvCubemapTo2DArrayFace function and added '--msl-framebuffer-fetch'/ '--msl-emulate-cube-array' compiler options. 2019-09-27 15:49:54 -04:00
texture-cube-array.ios.emulate-cube-array.frag Further updates for pull request #1162; also added two test cases for spvCubemapTo2DArrayFace function and added '--msl-framebuffer-fetch'/ '--msl-emulate-cube-array' compiler options. 2019-09-27 15:49:54 -04:00
texture-multisample-array.msl21.frag MSL: Support texture2d_ms_array. 2018-09-03 11:02:31 +02:00
texture-proj-shadow.frag Fix issue #239: compilation of shaders-msl/frag/texture-proj-shadow.frag. 2017-08-11 14:54:58 -04:00
ubo_layout.frag Enhance MSL testing and add numerous MSL test cases. 2017-01-30 22:55:21 -05:00
unary-enclose.frag Fix unary enclosures. 2017-07-24 10:17:19 +02:00
vecsize-mismatch.shader-inputs.frag MSL: Fix up input variables' vector lengths in all stages. 2020-06-16 14:50:30 -05:00
write-depth-in-function.frag MSL: Add test case for gl_FragDepth when used in function. 2018-08-29 09:21:48 +02:00