Making it easier to work with shaders https://git.yummers.dev/slang.git/atom?h=master 2025-09-03T16:06:43+00:00 2025-09-03T16:06:43+00:00 Harsh Aggarwal (NVIDIA) haaggarwal@nvidia.com 2025-09-03T16:06:43+00:00 urn:sha1:bf607e2f3fa183e9a2b18c7a98438a05247d6ed3 2025-01-10T18:57:04+00:00 Yong He yonghe@outlook.com 2025-01-10T18:57:04+00:00 urn:sha1:5290c580632cfb56847b863a32dc020a21d1c93e * Initial implementation of `ResourcePtr<T>`. * Update docs * Fix build error. * Add more discussion. * Update documentation. * Update TOC. * Fix. * Fix. * Add test case for custom `getResourceFromBindlessHandle`. * Add namehint to generated descriptor heap param. * Fix. * Fix. * format code * Rename to `DescriptorHandle`, and add `T.Handle` alias. * Fix compiler error. * Fix. * Fix build. * Renames. * Fix documentation. * Documentation fix. --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> 2024-04-23T19:14:21+00:00 Yong He yonghe@outlook.com 2024-04-23T19:14:21+00:00 urn:sha1:f1de1817ca10e34ec6a844100f10f0de3340c9f2 * Switch to direct-to-spirv backend as default. * Fix slang-test. * Fix. * Fix. 2024-04-19T16:12:56+00:00 sriramm-nv 85252063+sriramm-nv@users.noreply.github.com 2024-04-19T16:12:56+00:00 urn:sha1:7c162eba5329eae7755e55298a455a144fcb0dce Fixes #387676* ForceInline SampleLevel to allow decorations to apply * explictly add all the SPIRVAsmOperand Insts in non-differentiable list, which might get inadvertently processed when these functions are inlined into the main shader * Support NonUniformResourceIndex for SPIR-V target Fixes #3876 * add a new IR instruction for NonUniformResourceIndex * slang ir emitter for nonuniform resource index * update the hlsl meta slang * Add test cases for NonUniformResourceIndex access for buffers and textures, with/without cast, nested access etc. * add default c-like emitter for nonuniformresourceinfo * added hlsl emitter * added glsl emitter * requisites for spirv enabling - new decorator for nonuniformresourceindex - emitter for nonuniformresourceindex signature change * add hasResourceType checker * add rwStructBuffType in resourcetype checker * add a case for nonuniformres in emitDecorations * DO NOT COMMIT: This change adds special handling for RWStructBuf within the isResourceType function, if it is a pointer to this resource, return true to make it work with nonuniformres test * spirv emitter for decorations - update the emitLocalInst to perform decorations at the end * added main spirv emitter code * slang emit spirv bugfix * hacky way of supporting Call Inst * move code to cleanup nonuniform inst into helper function * remove stale codefrom test * add spirv decoration for nonuniform * update test to remove global variables * update coherent-2 test * update comment for special handling * update the spirv legalize to handle nested nonuniforms improved logic that handles call ops, rwstructbuf, nested nonuniforms etc. * update nonuniform-array-of-tex test * missed removing nonuniform inst causing duplicate decorations * add glsl and hlsl variants of nonuniform tests * repurpose the hasResource function into something specific for nonuniform inst decoration helper * clean up comments and code around spirv-legalization to emit nonuniform inst by recursively looking into the inst * use the helper canDecorateNonUniformInst to convert `nonUniformResourceInfo` inst to decoration * converted compute/unbounded-array-of-array cross compile test into a simple check test * update contains Resource helper function to be more generic * clean up the case for opcall handling with nonuniform resource inst * update ptr to struct buffer check to be more explicit and rename the function to check for ptr to resource type * update comments and fix the test for coherent * fix typos * update logic on spirv legalize to delete dead instructions - for some reason this doesn't automatically happen * add comments to declarations * add NonuniformResourceIndex to the non-differential inst list