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Route RTT texture updates through GL backend

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omigamedev
2026-06-04 23:44:25 +02:00
parent c9fb91ab48
commit 111cc8c892
11 changed files with 115 additions and 44 deletions
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docs/modernization/roadmap.md
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@@ -821,6 +821,10 @@ Legacy `RTT` also exposes an RGBA8 region-readback helper that uses the same
backend framebuffer readback dispatch; canvas pick/history/snapshot and
transform history paths now call that helper instead of binding an RTT and
calling `glReadPixels` directly.
Legacy `RTT` now also exposes an RGBA8 region-update helper that routes dirty
rectangle texture writes through the tested `pp_renderer_gl` texture-update
dispatch; canvas undo, layer restore, and flood-fill apply paths now call it
instead of issuing direct `glTexSubImage2D` calls.
Retained `PBO` recording readbacks now route pixel-buffer allocation,
framebuffer readback, map, unmap, and deletion through tested
`pp_renderer_gl` dispatch helpers; recording thread ownership, progress UI, and
@@ -1077,9 +1081,10 @@ delegate to `pp_renderer_gl`; text mesh buffer/VAO creation, deferred index
and vertex uploads, and indexed draw calls now execute through the same tested
mesh dispatch contracts used by `Shape`, leaving the retained `Font` utility
with thin GL adapter functions for mesh operations.
Canvas undo/redo dirty-region texture updates and readbacks now also delegate
their 2D texture target, RGBA pixel format, and unsigned-byte component type
mapping to `pp_renderer_gl`.
Canvas undo/redo dirty-region texture updates and readbacks now also execute
through retained `RTT` helpers backed by `pp_renderer_gl`, including 2D texture
target, dirty-region offsets, RGBA pixel format, and unsigned-byte component
type mapping.
`NodeViewport` preview rendering now also delegates viewport query,
clear-color query, color-buffer clear mask, viewport execution, color clear,
clear-color restore, and blend-state execution through the shared