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Route framebuffer texture copies through GL backend

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omigamedev
2026-06-04 21:12:46 +02:00
parent 15c58bfb21
commit 6440bde002
13 changed files with 285 additions and 46 deletions
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15
docs/modernization/build-inventory.md
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@@ -292,7 +292,11 @@ Known local toolchain state:
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
canvas pick/history/snapshot and transform history paths. It also
canvas pick/history/snapshot and transform history paths. 2D
framebuffer-to-texture copies used by retained canvas, transform,
layer-conversion, panorama UI, and brush-preview paths now execute through a
tested `pp_renderer_gl` dispatch via `copy_framebuffer_to_texture_2d`; the
retained cube-map framebuffer copy remains tracked by `DEBT-0036`. It also
validates renderer API primitive-topology to OpenGL draw-mode mapping, Shape
index-type, fill/stroke primitive-mode, buffer target, static upload usage,
and vertex attribute component/normalization mapping used by
@@ -414,12 +418,12 @@ Known local toolchain state:
Early canvas draw helpers also consume backend-owned pick readback
format/type and RTT-backed region-readback execution, stroke mixer
depth/scissor/blend state, saved viewport and clear-state queries, active
texture units, fallback 2D texture unbind targets, and stroke background copy
targets.
texture units, fallback 2D texture unbind targets, and stroke background
framebuffer-copy dispatch.
Canvas stroke commit also consumes backend-owned saved viewport/clear/blend
state, history readback format/type and RTT-backed region-readback execution,
active texture units, fallback 2D texture unbind targets, and layer
compositing copy targets.
compositing framebuffer-copy dispatch.
Canvas layer merge rendering and explicit layer-merge compositing also consume
backend-owned depth/blend state, active texture units, fallback 2D texture
unbind targets, and merge framebuffer copy targets.
@@ -615,7 +619,8 @@ 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 framebuffer
paths, 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,