gl: isolate compatibility-only helpers - #13
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…ilds Shared rendering helpers still pulled fixed-function declarations into core-profile builds, coupling profile-neutral image, VBO, and shader support to the legacy renderer. Guard compatibility-only operations in offscreen setup, image and vertex-array helpers, and shader utilities while leaving profile-neutral work available to both paths. The two renderer paths can therefore coexist until retained traversal is complete.
Material, texture-combine, and GLU helpers still pulled compatibility-only declarations into the core build after the main traversal paths were isolated. Guard those ancillary helpers and keep protocol definitions available through the profile-neutral glue. This removes the remaining compile-time dependencies without changing legacy behavior.
Display-list allocation, compilation, and teardown are compatibility-profile operations, but the element must remain safe to reference while retained rendering is active. Keep display-list lifetime management behind the compatibility boundary and preserve the logical element behavior for code that still traverses legacy nodes. Core-profile builds therefore retain the ABI without issuing display-list commands.
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Superseded by the seven-layer stack. Its compatibility-only changes have been redistributed into the shader, shared-rendering, and compatibility-boundary PRs so each layer owns its final abstraction. |
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Summary
Separates compatibility-only OpenGL helpers from code that must also work with core contexts.
Stack
Layer 3/8, based on PR #12. This is a prerequisite for the profile-neutral shader and rendering layers.