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[Feat] (Diligent, MG_State): bind named application uniform blocks from frontend buffers

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- Resolve named UBOs through SPIRV-Reflect type names when block names are empty
- Read the bound GL buffer range at the frontend uniform-block binding point and upload it as a Diligent uniform buffer
- Add DrawsNamedUniformBlockFromMobileGLState test; 12 Diligent tests pass
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2026-08-23 09:35:32 +08:00
parent 7e765e1535
commit e829e70d8b
4 changed files with 159 additions and 10 deletions
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HANDOFF_DILIGENT.md
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@@ -104,6 +104,7 @@ Working tree is clean.
- `DrawsWithScissorFromMobileGLState`
- `DrawsWithBlendFromMobileGLState`
- `DrawsWithDepthTestFromMobileGLState`
- `DrawsNamedUniformBlockFromMobileGLState`
---
@@ -155,7 +156,7 @@ Verified locally on Turnip Adreno 750:
- Local test result:
```
[ PASSED ] 11 tests
[ PASSED ] 12 tests
```
---
@@ -204,7 +205,7 @@ Notes:
- User framebuffers now support texture color attachments and depth/stencil texture or renderbuffer attachments; renderbuffer readback and multi-target color attachments remain partial.
- Textures auto-sync `ITextureObject` → Diligent resources, including mip levels and sampler state; compressed textures and integer/3-channel formats that Diligent lacks are still skipped.
- Global UBO (default-block `glUniform*`) now uploads and binds; named application UBO blocks and SSBOs are not fed from frontend buffer bindings yet.
- Global UBO (default-block `glUniform*`) and named application UBO blocks (through `glBindBufferBase`/`glUniformBlockBinding`) now upload and bind; SSBOs are still not fed from frontend buffer bindings.
- No swapchain / EGL window surface presentation yet; `Present()` only flushes.
- No transform feedback / queries / sync / readback of non-color resources.
- Draw range, multi-draw, instanced-draw wrappers, clear-buffer, blit and read-pixels are now wired; indirect draws, CopyTexImage/GetTexImage and buffer subdata paths still remain.
@@ -228,7 +229,7 @@ Notes:
3. **Uniform / UBO support**
- [x] Create Diligent buffer for `ProgramObject::GetUBOData()` / `GetUBOSize()`.
- [x] Bind the global UBO as a dynamic shader resource.
- [ ] Handle per-program uniform block bindings / named UBO blocks.
- [x] Handle per-program uniform block bindings / named UBO blocks.
4. **PSO / resource caching**
- [~] Cache PSOs by program + VAO config + render state + topology (single last-PSO fast path).