ext: Add GL_EXT_opacity_micromap_ray_query_mode#336
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Adds a GLSL extension to expose the OpacityMicromapIdKHR execution mode from SPV_KHR_opacity_micromap. Introduces gl_EnableOpacityMicromapEXT, a bool built-in constant (default false) that declares whether the shader may perform ray query traversal against acceleration structures containing opacity micromaps. The built-in may be redeclared as true for unconditional enablement, or with layout(constant_id = N) for API-controlled pipelines. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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what exactly do you mean by "a clean-room implementation" ? |
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It means - I provided the desired name of the extension, the name of the built-in variable, and a pointer to the SPV extension this should map to. The rest was derived from standard GLSL behaviour and practices and prior art. It was forbidden to look for existing drafts or merge requests for this extension. |
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Summary
GLSL_EXT_opacity_micromap_ray_query_mode.txt, a new GLSL extension spec exposing theOpacityMicromapIdKHRexecution mode fromSPV_KHR_opacity_micromapgl_EnableOpacityMicromapEXT, a bool built-in constant (defaultfalse) declaring whether the shader may perform ray query traversal against acceleration structures containing opacity micromapstruefor unconditional enablement, or withlayout(constant_id = N)for API-controlled pipelines without recompilationREADME.adocNotes
This specification was developed as a clean-room implementation using Claude Code (claude-sonnet-4-6), referencing
SPV_KHR_opacity_micromapand existing sibling GLSL extensions for format and context, but no prior draft of this specific extension.🤖 Generated with Claude Code