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Scroll by lines+mutex when writing to text buffer

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bloeys
2022-07-19 18:10:23 +04:00
parent e2feafa89d
commit 874c62d579
2 changed files with 134 additions and 11 deletions
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6
glyphs/glyphs.go
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@ -17,7 +17,7 @@ import (
)
const (
MaxGlyphsPerBatch = 16384
DefaultGlyphsPerBatch = 16384
floatsPerGlyph = 13
invalidRune = unicode.ReplacementChar
@ -210,7 +210,7 @@ func (gr *GlyphRend) drawRune(run *TextRun, i int, prevRune rune, screenPos, pos
//If we fill the buffer we issue a draw call
gr.GlyphCount++
if gr.GlyphCount == MaxGlyphsPerBatch {
if gr.GlyphCount == DefaultGlyphsPerBatch {
gr.Draw()
*bufIndex = 0
}
@ -487,7 +487,7 @@ func NewGlyphRend(fontFile string, fontOptions *truetype.Options, screenWidth, s
gr := &GlyphRend{
GlyphCount: 0,
GlyphVBO: make([]float32, floatsPerGlyph*MaxGlyphsPerBatch),
GlyphVBO: make([]float32, floatsPerGlyph*DefaultGlyphsPerBatch),
TextRunsBuf: make([]TextRun, 0, 20),
SpacesPerTab: 4,
}