From 3a251b1b9e753589dd12e25236e77275c9010566 Mon Sep 17 00:00:00 2001 From: Andrey Kleshchev Date: Fri, 7 Feb 2025 22:07:02 +0200 Subject: #3332 Switching screens can break text rendering --- indra/llrender/llfontvertexbuffer.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'indra/llrender/llfontvertexbuffer.cpp') diff --git a/indra/llrender/llfontvertexbuffer.cpp b/indra/llrender/llfontvertexbuffer.cpp index 5bd1ca5eed..17b23c420d 100644 --- a/indra/llrender/llfontvertexbuffer.cpp +++ b/indra/llrender/llfontvertexbuffer.cpp @@ -146,7 +146,8 @@ S32 LLFontVertexBuffer::render( || mLastScaleY != LLFontGL::sScaleY || mLastVertDPI != LLFontGL::sVertDPI || mLastHorizDPI != LLFontGL::sHorizDPI - || mLastOrigin != LLFontGL::sCurOrigin) + || mLastOrigin != LLFontGL::sCurOrigin + || mLastResGeneration != LLFontGL::sResolutionGeneration) { genBuffers(fontp, text, begin_offset, x, y, color, halign, valign, style, shadow, max_chars, max_pixels, right_x, use_ellipses, use_color); @@ -201,6 +202,7 @@ void LLFontVertexBuffer::genBuffers( mLastVertDPI = LLFontGL::sVertDPI; mLastHorizDPI = LLFontGL::sHorizDPI; mLastOrigin = LLFontGL::sCurOrigin; + mLastResGeneration = LLFontGL::sResolutionGeneration; if (right_x) { -- cgit v1.3 From e708d69fb09963c4829dc6cd095b3e174e268b60 Mon Sep 17 00:00:00 2001 From: Andrey Kleshchev Date: Tue, 11 Feb 2025 22:57:53 +0200 Subject: #3332 Fix buffers not accounting for dynamic cache values And fix previous lapse of judgement with GLYPH_BATCH_SIZE --- indra/llrender/llfontbitmapcache.cpp | 4 ++-- indra/llrender/llfontfreetype.h | 1 + indra/llrender/llfontgl.cpp | 26 +++++++++++++++++++------- indra/llrender/llfontgl.h | 1 + indra/llrender/llfontvertexbuffer.cpp | 4 +++- indra/llrender/llfontvertexbuffer.h | 4 ++++ 6 files changed, 30 insertions(+), 10 deletions(-) (limited to 'indra/llrender/llfontvertexbuffer.cpp') diff --git a/indra/llrender/llfontbitmapcache.cpp b/indra/llrender/llfontbitmapcache.cpp index ee9cfd0719..83f5d31186 100644 --- a/indra/llrender/llfontbitmapcache.cpp +++ b/indra/llrender/llfontbitmapcache.cpp @@ -107,7 +107,7 @@ bool LLFontBitmapCache::nextOpenPos(S32 width, S32& pos_x, S32& pos_y, EFontGlyp mBitmapHeight = image_height; S32 num_components = getNumComponents(bitmap_type); - mImageRawVec[bitmap_idx].push_back(new LLImageRaw(mBitmapWidth, mBitmapHeight, num_components)); + mImageRawVec[bitmap_idx].emplace_back(new LLImageRaw(mBitmapWidth, mBitmapHeight, num_components)); bitmap_num = static_cast(mImageRawVec[bitmap_idx].size()) - 1; LLImageRaw* image_raw = getImageRaw(bitmap_type, bitmap_num); @@ -117,7 +117,7 @@ bool LLFontBitmapCache::nextOpenPos(S32 width, S32& pos_x, S32& pos_y, EFontGlyp } // Make corresponding GL image. - mImageGLVec[bitmap_idx].push_back(new LLImageGL(image_raw, false, false)); + mImageGLVec[bitmap_idx].emplace_back(new LLImageGL(image_raw, false, false)); LLImageGL* image_gl = getImageGL(bitmap_type, bitmap_num); // Start at beginning of the new image. diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h index 1ad795060a..a2d925c5f6 100644 --- a/indra/llrender/llfontfreetype.h +++ b/indra/llrender/llfontfreetype.h @@ -148,6 +148,7 @@ public: void setStyle(U8 style); U8 getStyle() const; + S32 getAddedGlyphs() const { return mAddGlyphCount; } private: void resetBitmapCache(); diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp index 91242f4947..4037c036e5 100644 --- a/indra/llrender/llfontgl.cpp +++ b/indra/llrender/llfontgl.cpp @@ -110,6 +110,11 @@ S32 LLFontGL::getNumFaces(const std::string& filename) return mFontFreetype->getNumFaces(filename); } +S32 LLFontGL::getKnownGlyphCount() const +{ + return mFontFreetype ? mFontFreetype->getAddedGlyphs() : 0; +} + S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, const LLRect& rect, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow, S32 max_chars, F32* right_x, bool use_ellipses, bool use_color) const { @@ -250,6 +255,10 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache(); + // This looks wrong, value is dynamic. + // LLFontBitmapCache::nextOpenPos can alter these values when + // new characters get added to cache, which affects whole string. + // Todo: Perhaps value should update after symbols were added? F32 inv_width = 1.f / font_bitmap_cache->getBitmapWidth(); F32 inv_height = 1.f / font_bitmap_cache->getBitmapHeight(); @@ -271,12 +280,14 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons const LLFontGlyphInfo* next_glyph = NULL; + // string can have more than one glyph per char (ex: bold or shadow), + // make sure that GLYPH_BATCH_SIZE won't end up with half a symbol. + // See drawGlyph. + // Ex: with shadows it's 6 glyps per char. 30 fits exactly 5 chars. static constexpr S32 GLYPH_BATCH_SIZE = 30; - // string can have more than one glyph per char, make sure last one can fit - static constexpr S32 BUFFER_SIZE = GLYPH_BATCH_SIZE * 2; - static thread_local LLVector4a vertices[BUFFER_SIZE * 6]; - static thread_local LLVector2 uvs[BUFFER_SIZE * 6]; - static thread_local LLColor4U colors[BUFFER_SIZE * 6]; + static thread_local LLVector4a vertices[GLYPH_BATCH_SIZE * 6]; + static thread_local LLVector2 uvs[GLYPH_BATCH_SIZE * 6]; + static thread_local LLColor4U colors[GLYPH_BATCH_SIZE * 6]; LLColor4U text_color(color); // Preserve the transparency to render fading emojis in fading text (e.g. @@ -321,8 +332,9 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons LLImageGL* font_image = font_bitmap_cache->getImageGL(bitmap_entry.first, bitmap_entry.second); gGL.getTexUnit(0)->bind(font_image); - // For multi-byte characters just draw each time character changes - // Might be overkill and might be better to detect multybyte + // For some reason it's not enough to compare by bitmap_entry. + // Issue hits emojis, japenese and chinese glyphs, only on first run. + // Todo: figure it out, there might be a bug with raw image data. last_char = wch; } diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h index 9b63fc7c38..73efc6b1eb 100644 --- a/indra/llrender/llfontgl.h +++ b/indra/llrender/llfontgl.h @@ -90,6 +90,7 @@ public: bool loadFace(const std::string& filename, F32 point_size, const F32 vert_dpi, const F32 horz_dpi, bool is_fallback, S32 face_n); S32 getNumFaces(const std::string& filename); + S32 getKnownGlyphCount() const; S32 render(const LLWString &text, S32 begin_offset, const LLRect& rect, diff --git a/indra/llrender/llfontvertexbuffer.cpp b/indra/llrender/llfontvertexbuffer.cpp index 17b23c420d..b53a841a87 100644 --- a/indra/llrender/llfontvertexbuffer.cpp +++ b/indra/llrender/llfontvertexbuffer.cpp @@ -147,7 +147,8 @@ S32 LLFontVertexBuffer::render( || mLastVertDPI != LLFontGL::sVertDPI || mLastHorizDPI != LLFontGL::sHorizDPI || mLastOrigin != LLFontGL::sCurOrigin - || mLastResGeneration != LLFontGL::sResolutionGeneration) + || mLastResGeneration != LLFontGL::sResolutionGeneration + || mLastFontGlyphCount != fontp->getKnownGlyphCount()) { genBuffers(fontp, text, begin_offset, x, y, color, halign, valign, style, shadow, max_chars, max_pixels, right_x, use_ellipses, use_color); @@ -203,6 +204,7 @@ void LLFontVertexBuffer::genBuffers( mLastHorizDPI = LLFontGL::sHorizDPI; mLastOrigin = LLFontGL::sCurOrigin; mLastResGeneration = LLFontGL::sResolutionGeneration; + mLastFontGlyphCount = fontp->getKnownGlyphCount(); if (right_x) { diff --git a/indra/llrender/llfontvertexbuffer.h b/indra/llrender/llfontvertexbuffer.h index f244e7fefa..d5e1280dbf 100644 --- a/indra/llrender/llfontvertexbuffer.h +++ b/indra/llrender/llfontvertexbuffer.h @@ -120,6 +120,10 @@ private: S32 mLastResGeneration = 0; LLCoordGL mLastOrigin; + // Adding new characters to bitmap cache can alter value from getBitmapWidth(); + // which alters whole string. So rerender when new characters were added to cache. + S32 mLastFontGlyphCount = 0; + static bool sEnableBufferCollection; }; -- cgit v1.3 From 5b968b7209d5e104e4b6152b8fc0fbbb37d1674a Mon Sep 17 00:00:00 2001 From: Andrey Kleshchev Date: Mon, 24 Feb 2025 17:22:54 +0200 Subject: #3332 Remake glyph count into cache generation 1. Cover reset with 'generation' 2. Fix lapse of judgement with mLastFontGlyphCount, it should have been saved before render(), not after --- indra/llrender/llfontbitmapcache.cpp | 2 ++ indra/llrender/llfontbitmapcache.h | 2 ++ indra/llrender/llfontfreetype.cpp | 2 -- indra/llrender/llfontfreetype.h | 2 -- indra/llrender/llfontgl.cpp | 5 +++-- indra/llrender/llfontgl.h | 2 +- indra/llrender/llfontvertexbuffer.cpp | 6 ++++-- indra/llrender/llfontvertexbuffer.h | 2 +- 8 files changed, 13 insertions(+), 10 deletions(-) (limited to 'indra/llrender/llfontvertexbuffer.cpp') diff --git a/indra/llrender/llfontbitmapcache.cpp b/indra/llrender/llfontbitmapcache.cpp index 83f5d31186..6a3af1e608 100644 --- a/indra/llrender/llfontbitmapcache.cpp +++ b/indra/llrender/llfontbitmapcache.cpp @@ -141,6 +141,7 @@ bool LLFontBitmapCache::nextOpenPos(S32 width, S32& pos_x, S32& pos_y, EFontGlyp bitmap_num = getNumBitmaps(bitmap_type) - 1; mCurrentOffsetX[bitmap_idx] += width + 1; + mGeneration++; return true; } @@ -168,6 +169,7 @@ void LLFontBitmapCache::reset() mBitmapWidth = 0; mBitmapHeight = 0; + mGeneration++; } //static diff --git a/indra/llrender/llfontbitmapcache.h b/indra/llrender/llfontbitmapcache.h index f2dfd87877..0ae4e6bed0 100644 --- a/indra/llrender/llfontbitmapcache.h +++ b/indra/llrender/llfontbitmapcache.h @@ -63,6 +63,7 @@ public: U32 getNumBitmaps(EFontGlyphType bitmapType) const { return (bitmapType < EFontGlyphType::Count) ? static_cast(mImageRawVec[static_cast(bitmapType)].size()) : 0U; } S32 getBitmapWidth() const { return mBitmapWidth; } S32 getBitmapHeight() const { return mBitmapHeight; } + S32 getCacheGeneration() const { return mGeneration; } protected: static U32 getNumComponents(EFontGlyphType bitmap_type); @@ -74,6 +75,7 @@ private: S32 mCurrentOffsetY[static_cast(EFontGlyphType::Count)] = { 1 }; S32 mMaxCharWidth = 0; S32 mMaxCharHeight = 0; + S32 mGeneration = 0; std::vector> mImageRawVec[static_cast(EFontGlyphType::Count)]; std::vector> mImageGLVec[static_cast(EFontGlyphType::Count)]; }; diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp index 38dc23d1dc..62b551f1e0 100644 --- a/indra/llrender/llfontfreetype.cpp +++ b/indra/llrender/llfontfreetype.cpp @@ -146,7 +146,6 @@ LLFontFreetype::LLFontFreetype() mIsFallback(false), mFTFace(NULL), mRenderGlyphCount(0), - mAddGlyphCount(0), mStyle(0), mPointSize(0) { @@ -574,7 +573,6 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l S32 pos_x, pos_y; U32 bitmap_num; mFontBitmapCachep->nextOpenPos(width, pos_x, pos_y, bitmap_glyph_type, bitmap_num); - mAddGlyphCount++; LLFontGlyphInfo* gi = new LLFontGlyphInfo(glyph_index, requested_glyph_type); gi->mXBitmapOffset = pos_x; diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h index a2d925c5f6..783bf4a4b3 100644 --- a/indra/llrender/llfontfreetype.h +++ b/indra/llrender/llfontfreetype.h @@ -148,7 +148,6 @@ public: void setStyle(U8 style); U8 getStyle() const; - S32 getAddedGlyphs() const { return mAddGlyphCount; } private: void resetBitmapCache(); @@ -188,7 +187,6 @@ private: mutable LLFontBitmapCache* mFontBitmapCachep; mutable S32 mRenderGlyphCount; - mutable S32 mAddGlyphCount; }; #endif // LL_FONTFREETYPE_H diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp index 4037c036e5..16eec1fdd2 100644 --- a/indra/llrender/llfontgl.cpp +++ b/indra/llrender/llfontgl.cpp @@ -110,9 +110,10 @@ S32 LLFontGL::getNumFaces(const std::string& filename) return mFontFreetype->getNumFaces(filename); } -S32 LLFontGL::getKnownGlyphCount() const +S32 LLFontGL::getCacheGeneration() const { - return mFontFreetype ? mFontFreetype->getAddedGlyphs() : 0; + const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache(); + return font_bitmap_cache->getCacheGeneration(); } S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, const LLRect& rect, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h index 73efc6b1eb..1c8e036f58 100644 --- a/indra/llrender/llfontgl.h +++ b/indra/llrender/llfontgl.h @@ -90,7 +90,7 @@ public: bool loadFace(const std::string& filename, F32 point_size, const F32 vert_dpi, const F32 horz_dpi, bool is_fallback, S32 face_n); S32 getNumFaces(const std::string& filename); - S32 getKnownGlyphCount() const; + S32 getCacheGeneration() const; S32 render(const LLWString &text, S32 begin_offset, const LLRect& rect, diff --git a/indra/llrender/llfontvertexbuffer.cpp b/indra/llrender/llfontvertexbuffer.cpp index b53a841a87..a223509d30 100644 --- a/indra/llrender/llfontvertexbuffer.cpp +++ b/indra/llrender/llfontvertexbuffer.cpp @@ -148,7 +148,7 @@ S32 LLFontVertexBuffer::render( || mLastHorizDPI != LLFontGL::sHorizDPI || mLastOrigin != LLFontGL::sCurOrigin || mLastResGeneration != LLFontGL::sResolutionGeneration - || mLastFontGlyphCount != fontp->getKnownGlyphCount()) + || mLastFontCacheGen != fontp->getCacheGeneration()) { genBuffers(fontp, text, begin_offset, x, y, color, halign, valign, style, shadow, max_chars, max_pixels, right_x, use_ellipses, use_color); @@ -180,6 +180,9 @@ void LLFontVertexBuffer::genBuffers( { // todo: add a debug build assert if this triggers too often for to long? mBufferList.clear(); + // Save before rendreing, it can change mid-render, + // so will need to rerender previous characters + mLastFontCacheGen = fontp->getCacheGeneration(); gGL.beginList(&mBufferList); mChars = fontp->render(text, begin_offset, x, y, color, halign, valign, @@ -204,7 +207,6 @@ void LLFontVertexBuffer::genBuffers( mLastHorizDPI = LLFontGL::sHorizDPI; mLastOrigin = LLFontGL::sCurOrigin; mLastResGeneration = LLFontGL::sResolutionGeneration; - mLastFontGlyphCount = fontp->getKnownGlyphCount(); if (right_x) { diff --git a/indra/llrender/llfontvertexbuffer.h b/indra/llrender/llfontvertexbuffer.h index d5e1280dbf..a9e1e2337c 100644 --- a/indra/llrender/llfontvertexbuffer.h +++ b/indra/llrender/llfontvertexbuffer.h @@ -122,7 +122,7 @@ private: // Adding new characters to bitmap cache can alter value from getBitmapWidth(); // which alters whole string. So rerender when new characters were added to cache. - S32 mLastFontGlyphCount = 0; + S32 mLastFontCacheGen = 0; static bool sEnableBufferCollection; }; -- cgit v1.3