| Commit message (Collapse) | Author | Age | Files | Lines |
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frustum-culling get/set
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invPMv null; PMVMatrix: Make Mvi, Mvit optional at ctor, add user PMv and PMvi - used at gluUnProject() ..
Matrix4f.mapWin*() variants w/ invPMv don't need temp matrices,
they also shall handle null invPMv -> return false to streamline usage w/ PMVMatrix if inversion failed.
PMVMatrix adds user space common premultiplies Pmv and Pmvi on demand like Frustum.
These are commonly required for e.g. gluUnProject(..)/mapWinToObj(..)
and might benefit from caching if stack is maintained and no modification occured.
PMVMatrix now has the shader related Mvi and Mvit optional at construction(!), so its backing buffers.
This reduces footprint for other use cases.
The 2nd temp matrix is also on-demand, to reduce footprint for certain use cases.
Removed public access to temporary storage.
+++
While these additional matrices are on demand and/or at request @ ctor,
general memory footprint is reduced per default and hence deemed acceptable
while still having PMVMatrix acting as a core flexible matrix provider.
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GraphUI.Shape: Efficiently reuse matPMv and temporary PMVMatrix storage
Reuse PMv in Shape.getSurfaceSize() and Shape.winToShapeCoord(),
for the latter we invert the reused PMv for mapWinToObj (i.e. UnProject).
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as well as getSurfaceSize(..) (use absolute size)
Tested w/ UISceneDemo01b and UISceneDemo03, where you now can pick any moving glyph at any rotation and drag it.
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w/ Doxygen. Doxygen uses markdown
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Must be manually incoked now, is working but currently takes everything (dot graph takes its good time).
Benefits
- Working nice html docs
- UML and collab diagrams
- Gets all tests and demos referenced, user can easily look it up
- Source is also included, nice browsing
The current setup might be too big .. we will see.
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Utilize Vec3f, Recti, .. throughout API (Matrix4f, AABBox, .. Graph*)
Big Easter Cleanup
- Net -214 lines of code, despite new classes.
- GLUniformData buffer can be synced w/ underlying data via SyncAction/SyncBuffer, e.g. SyncMatrix4f + SyncMatrices4f
- PMVMatrix rewrite using Matrix4f and providing SyncMatrix4f/Matrices4f to sync w/ GLUniformData
- Additional SyncMatrix4f16 + SyncMatrices4f16 covering Matrix4f sync w/ GLUniformData w/o PMVMatrix
- Utilize Vec3f, Recti, .. throughout API (Matrix4f, AABBox, .. Graph*)
- Moved FloatUtil -> Matrix4f, kept a few basic matrix ops for ProjectFloat
- Most, if not all, float[] and int[] should have been moved to proper classes
- int[] -> Recti for viewport rectangle
- Matrix4f and PMVMatrix is covered by math unit tests (as was FloatUtil before) -> save
Passed all unit tests on AMD64 GNU/Linux
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for fair and realistic numbers - Both mul() ops faster than FloatUtil
Enhanced invert() of Matrix4f* and FloatUtil: Use 1f/det factor for burst scale.
Enhanced Matrix4f.invert(..): Use factored-out mulScale() to deliver the scale,
giving a good 10% advantage on aarch64 and amd64.
Brings Matrix4f.invert(..) on par w/ FloatUtil, on aarch64 even a 14% advantage.
+++
TestMatrix4f02MulNOUI added an additional Matrix4f.load() to the mul(Matrix4f) loop test,
which surely is an extra burden and not realistic as the mul(Matrix4f, Matrix4f) and FloatUtil
pendants also don't count loading a value.
Matrix4f.mul(Matrix4f) shall be used to utilize an already stored value anyways.
Matrix4f.mul(Matrix4f) didn't really exist in FloatUtil.
Same is true for Matrix4f.invert(), re-grouped order, i.e. pushing the non-arg variant last.
+++
Revised performance numbers from commit 15e60161787224e85172685f74dc0ac195969b51
AMD64 + OpenJDK17
- FloatUtil.multMatrix(a, a_off, b, b_off, dest) is considerable slower than all
- Matrix4f.mul(a, b) roughly ~10% faster than FloatUtil.multMatrix(a, b, dest)
- Matrix4f.mul(b) roughly ~18% faster than FloatUtil.multMatrix(a, b, dest) (*)
- Matrix4f.invert(a) roughly ~ 2% faster than FloatUtil.invertMatrix(..)
- Matrix4f.invert() roughly ~ 4% slower than FloatUtil.invertMatrix(..) (*)
- Launched: nice -19 scripts/tests-x64.sh
RaspberryPi 4b aarch64 + OpenJDK17
- FloatUtil.multMatrix(a, a_off, b, b_off, dest) is considerable slower than all
- Matrix4f.mul(a, b) roughly ~ 9% faster than FloatUtil.multMatrix(a, b, dest)
- Matrix4f.mul(b) roughly ~14% faster than FloatUtil.multMatrix(a, b, dest) (*)
- Matrix4f.invert(a) roughly ~14% faster than FloatUtil.invertMatrix(..)
- Matrix4f.invert() roughly ~12% faster than FloatUtil.invertMatrix(..) (*)
- Launched: nice -19 scripts/tests-linux-aarch64.sh
(*) not a true comparison in feature, as operating on 'this' matrix values
for one argument, unavailable to FloatUtil.
Conclusion
- Matrix4f.mul(..) is considerable faster!
- Matrix4f.invert(..) faster, esp on aarch64
And additional Matrix4fb tests using float[16] similar to FloatUtil
also demonstrates less performance compared to Matrix4f using
dedicated float fields.
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15e60161787224e85172685f74dc0ac195969b51
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traversing the PMVMatrix throughout childs (-> see TreeTool).
Utilizing the Vec*f (and Matrix4f) API w/ AABBox et al renders our code more clean & safe,
see commit 15e60161787224e85172685f74dc0ac195969b51.
A Group allows to contain multiple Shapes,
hence the PMVMatrix must be traversed accordingly using TreeTool
for all operations (draw, picking, win->obj coordinates, ..).
Hence Scene + Group are now implementing Container
and reuse code via TreeTool and a Shape.Visitor*.
This will allow further simplification of user code.
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Ray, AABBox, Frustum, Stereo*, ... adding hook to PMVMatrix
Motivation was to simplify matrix + vector math usage, ease review and avoid usage bugs.
Matrix4f implementation uses dedicated float fields instead of an array.
Performance didn't increase much,
as JVM >= 11(?) has some optimizations to drop the array bounds check.
AMD64 + OpenJDK17
- Matrix4f.mul(a, b) got a roughly ~10% enhancement over FloatUtil.multMatrix(a, b, dest)
- Matrix4f.mul(b) roughly ~3% slower than FloatUtil.multMatrix(a, b, dest)
- FloatUtil.multMatrix(a, a_off, b, b_off, dest) is considerable slower than all
- Matrix4f.invert(..) roughly ~3% slower than FloatUtil.invertMatrix(..)
RaspberryPi 4b aarch64 + OpenJDK17
- Matrix4f.mul(a, b) got a roughly ~10% enhancement over FloatUtil.multMatrix(a, b, dest)
- Matrix4f.mul(b) roughly ~20% slower than FloatUtil.multMatrix(a, b)
- FloatUtil.multMatrix(a, a_off, b, b_off, dest) is considerable slower than all
- Matrix4f.invert(..) roughly ~4% slower than FloatUtil.invertMatrix(..)
Conclusion
- Matrix4f.mul(b) needs to be revised (esp for aarch64)
- Matrix4f.invert(..) should also not be slower ..
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GL/VK abstraction at a later time differently
Actual GPU rendering toolkit dependency can be abstracted differently, i.e. GPU <- { GL, VK } etc.
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discard, even though technically allowed (ignored after discard)
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good way to auto-deteminate this one (dpi, ..)
Type animation UISceneDemo03 requires this to resize a single glyph, i.e. 0.03f was too big.
1% might be OK, but then .. maybe not.
In general, a dpi autodetermination of a minimal scale/size might be OK,
assuming user sits in front of a screen and not having a multi-screen circus arena setup ;-)
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fractional to box size) and Scene for all Shapes.
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GLRendererQuirks.GLSLBuggyDiscard to avoid overdraw of such regions.
Historically we disabled `discard` due to an old NV tegra2 compiler bug,
which caused the compiler to freeze.
Today we no more seem to have this GLSL compiler issue, i.e. GLRendererQuirks.GLSLBuggyDiscard never gets set.
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screenshots, add launch screen (visible @ '-wait')
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Use w/ UISceneDemo03 Type Animation...
A list of GlyphShape can be created via GlyphShape.processString(..),
which preserves all details incl. intended original unscaled position and its kerning.
Whitespace or contourless Glyphs are dropped.
A GlyphShape is represented in font em-size [0..1] unscaled.
+++
UISceneDemo03 Type Animation
- Using GlyphShape and apply scaling via its Shape.setScale()
- Recalc fontScale per used text
- Refined 'arrival' criteria and smoothing out near target w/ speed-up rotation
- Using GraphUIDemoArgs to parse common commandline demo options
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in rotation
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!hasRotPivot: Don't scale pivot back from center-pivot, same as w/ hasRotPivot
A copy & paste bug ..
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isWhitespace() continue w/ AABBox resize, but don't earmark this (whitespace) glyph for next left_glyph (kerning).
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using Glyph bounds minY()
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Graph/GLRegion
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only act and markDirty() on change
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experience (working sticky edge)
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pivot-point or center; Assume Shape origin to be bottom-left for drag-zoom. Removes questionable scale-hack.
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denominate whole scale-factor, not their delta
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text-processing information
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