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Route RTT lifecycle through GL backend

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omigamedev
2026-06-04 21:47:19 +02:00
parent fc20851462
commit ce787ce186
7 changed files with 569 additions and 77 deletions
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21
docs/modernization/build-inventory.md
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@@ -287,13 +287,14 @@ Known local toolchain state:
used by `TextureCube`. It also owns and
validates framebuffer blit color mask and linear/nearest filters used by
`RTT::resize` and `RTT::copy`, renderer API blit-filter to OpenGL token
mapping, plus the default linear clamp-to-edge
render-target texture parameters, texture/renderbuffer targets, depth format,
framebuffer targets, binding queries, attachment points, and completion
status used by `RTT::create` and framebuffer bind/restore paths, plus RTT
clear color/depth masks. Canvas object-drawing depth renderbuffer
allocation/storage/delete and framebuffer depth attach/detach also execute
through tested dispatch contracts here. Renderer API render-pass color/depth/stencil
mapping, plus the default linear clamp-to-edge render-target texture
parameters and parameter dispatch, texture/renderbuffer targets, depth format,
framebuffer targets, binding queries, attachment points, render-target
framebuffer allocation/delete, binding restore, and completion status used by
`RTT::create`/`RTT::destroy` and framebuffer bind/restore paths, plus RTT
clear color/depth masks. Optional RTT depth renderbuffer allocation/storage/delete
and framebuffer depth attach/detach, plus canvas object-drawing depth
renderbuffer setup, also execute through tested dispatch contracts here. Renderer API render-pass color/depth/stencil
clear-mask and clear-value mapping, and color-write-mask query tokens. `RTT` no longer
spells GL enum names directly. `RTT` also exposes a retained RGBA8
region-readback helper that uses the tested framebuffer readback dispatch for
@@ -626,12 +627,14 @@ Known local toolchain state:
consumed by the retained `gl_state` utility, tested texture lifecycle/readback dispatch consumed by
the retained `Texture2D` utility, tested framebuffer blit/readback dispatch
consumed by retained `RTT` resize/copy/readback and RGBA8 region-readback
paths, tested pixel-buffer allocation/readback/map/unmap/delete dispatch
paths, tested render-target texture parameter, framebuffer allocation/delete,
color/depth attachment, status-check, and binding-restore dispatch consumed
by retained `RTT::create`/`RTT::destroy`, tested pixel-buffer allocation/readback/map/unmap/delete dispatch
consumed by retained `PBO` recording readbacks, tested framebuffer-to-texture
2D copy dispatch consumed by retained canvas/UI paint paths, tested framebuffer
bind/restore dispatch consumed by retained `RTT` render-target pass entry
and exit paths, tested depth renderbuffer allocation/delete and framebuffer
depth attach/detach dispatch consumed by canvas object-drawing helpers,
depth attach/detach dispatch consumed by retained RTT and canvas object-drawing helpers,
tested convert-command state dispatch consumed by
`App::cmd_convert`, tested render platform hint dispatch consumed by
`WindowsPlatformServices` and the retained macOS legacy fallback, tested