Making it easier to work with shaders https://git.yummers.dev/slang.git/atom?h=master 2024-01-24T23:36:49+00:00 2024-01-24T23:36:49+00:00 Yong He yonghe@outlook.com 2024-01-24T23:36:49+00:00 urn:sha1:e7b6de334f320429462a0257e2191ccf3cbc9a0d * [SPIRV] Support `globallycoherent` modifier. * Fix. * Disable executable cooperative vector tests. * Update expected failure. * [SPIRV] Emit varying output index decoration. * Add test. * Update tests. * Fix test. * Emit `SpvExecutionModeEarlyFragmentTests`. * Lower `StructuredBuffer<bool>`. * Support globallycoherent on ByteAddressBuffer. --------- Co-authored-by: Yong He <yhe@nvidia.com> 2023-03-16T18:05:33+00:00 Samuel Kogler skogler@users.noreply.github.com 2023-03-16T18:05:33+00:00 urn:sha1:b92f2805855282cb717c21345dab8ffdc3f1fdd2 * Support GL_EXT_fragment_shader_barycentric * Support pervertex with GL_EXT_fragment_shader_barycentric 2023-01-25T06:16:21+00:00 Yong He yonghe@outlook.com 2023-01-25T06:16:21+00:00 urn:sha1:951ad25e0a9c3b0089c6b996b8e821ac93cf5766 * Reimplement address elimination pass. * Fix error. * Update test references. Co-authored-by: Yong He <yhe@nvidia.com> 2023-01-23T14:59:25+00:00 Yong He yonghe@outlook.com 2023-01-23T14:59:25+00:00 urn:sha1:46a4d98baa1d43b33717b4377aefeeaf46b9c2ff Co-authored-by: Yong He <yhe@nvidia.com> 2022-02-26T04:49:31+00:00 Yong He yonghe@outlook.com 2022-02-26T04:49:31+00:00 urn:sha1:c31577953d5041c82375c22d847c2eba06106c58 2021-03-03T19:45:39+00:00 Tim Foley tfoleyNV@users.noreply.github.com 2021-03-03T19:45:39+00:00 urn:sha1:13ff0bd345990c0fdfb7b52ebd5339cddb04889e This change allows varying fragment shader inputs to be declared in a way that allows the `GetAttributeAtVertex` operation to compile to valid code for both D3D and GLSL/SPIR-V/Vulkan. The key is that rather than just use ordinary `nointerpolation`-qualified inputs the code must declare these varying inputs with a new `pervertex` qualifier that marks them as *only* being usable with `GetAttributeAtVertex`. The `pervertex`-tagged inputs then translate to GLSL inputs using the `pervertexNV` qualifier Note that this change does *not* include any enforcement of the requirements around how these qualifiers are used (and the compiler doesn't have enforcement for the existing operations like `EvaluateAttributeAtCentroid`). The underlying problem is that the inerpolation-mode qualifiers and explicit interpolation functions in HLSL constitute a kind of rate-qualified type system, but without any systematic rules. It seems wasteful to encode a bunch of ad hoc rules for this stuff as special cases in the compiler when the clear right answer is to implement a systematic approach to rates.