swung0x48/MobileGL
1
0
Fork 0
mirror of https://github.com/MobileGL-Dev/MobileGL synced 2026-09-09 20:58:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

[Perf] (MG_Backend/DirectVulkan): re-land content-version texture early-out; bump content version on glGenerateMipmap so cached sampled views re-sync (fixes Iris shader retrace)

Browse Source
This commit is contained in:
swung0x48
2026-07-13 00:50:09 -04:00
parent ecea8054a6
commit 808c5dcc46
6 changed files with 64 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MobileGL/MG_State/GLState/TextureState/TextureObject.h
+12
View File
@@ -47,6 +47,10 @@ namespace MobileGL::MG_State::GLState {
virtual Uint GetImmutableLevels() const = 0;
virtual void SetImmutableLevels(Uint levels) = 0;
virtual Uint16 GetTextureParamsVersion() const = 0;
// Monotonic counter bumped on every CPU-side pixel mutation (see MarkStorageDirty).
// Backends compare it against a per-resource snapshot to skip re-syncing unchanged
// textures across draws (e.g. the block atlas bound across a whole terrain batch).
virtual Uint64 GetContentVersion() const = 0;
virtual Int GetSamples() const = 0;
virtual void SetSamples(Int samples) = 0;
virtual Bool HasFixedSampleLocations() const = 0;
@@ -86,6 +90,11 @@ namespace MobileGL::MG_State::GLState {
Uint GetImmutableLevels() const override;
void SetImmutableLevels(Uint levels) override;
Uint16 GetTextureParamsVersion() const override;
Uint64 GetContentVersion() const override;
// Bumps the content version without touching per-level storage-dirty flags. Used when the
// set of defined mip levels grows via GPU-side mip generation (glGenerateMipmap): the level
// set changed (so a cached sampled view's level range is stale) but no CPU data is dirty.
void BumpContentVersion();
Int GetSamples() const override;
void SetSamples(Int samples) override;
Bool HasFixedSampleLocations() const override;
@@ -108,6 +117,9 @@ namespace MobileGL::MG_State::GLState {
UintVec2 m_levelRange = {0, 1000};
Uint m_immutableLevels = 0;
Uint16 m_textureParamsVersion = 0;
// Starts at 1 so a freshly-created backend resource (snapshot 0) never spuriously
// matches before its first sync. Bumped only on dirty=true in MarkStorageDirty.
Uint64 m_contentVersion = 1;
Int m_samples = 0;
Bool m_fixedSampleLocations = true;
};