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-rw-r--r--indra/llrender/llfontgl.cpp108
1 files changed, 44 insertions, 64 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 607473d416..fccbf37a8d 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -56,8 +56,9 @@ std::string LLFontGL::sAppDir;
LLColor4 LLFontGL::sShadowColor(0.f, 0.f, 0.f, 1.f);
LLFontRegistry* LLFontGL::sFontRegistry = NULL;
-LLCoordFont LLFontGL::sCurOrigin;
-std::vector<LLCoordFont> LLFontGL::sOriginStack;
+LLCoordGL LLFontGL::sCurOrigin;
+F32 LLFontGL::sCurDepth;
+std::vector<std::pair<LLCoordGL, F32> > LLFontGL::sOriginStack;
const F32 EXT_X_BEARING = 1.f;
const F32 EXT_Y_BEARING = 0.f;
@@ -68,20 +69,6 @@ const F32 PIXEL_CORRECTION_DISTANCE = 0.01f;
const F32 PAD_UVY = 0.5f; // half of vertical padding between glyphs in the glyph texture
const F32 DROP_SHADOW_SOFT_STRENGTH = 0.3f;
-static F32 llfont_round_x(F32 x)
-{
- //return llfloor((x-LLFontGL::sCurOrigin.mX)/LLFontGL::sScaleX+0.5f)*LLFontGL::sScaleX+LLFontGL::sCurOrigin.mX;
- //return llfloor(x/LLFontGL::sScaleX+0.5f)*LLFontGL::sScaleY;
- return x;
-}
-
-static F32 llfont_round_y(F32 y)
-{
- //return llfloor((y-LLFontGL::sCurOrigin.mY)/LLFontGL::sScaleY+0.5f)*LLFontGL::sScaleY+LLFontGL::sCurOrigin.mY;
- //return llfloor(y+0.5f);
- return y;
-}
-
LLFontGL::LLFontGL()
{
}
@@ -115,23 +102,23 @@ static LLFastTimer::DeclareTimer FTM_RENDER_FONTS("Fonts");
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) const
{
- F32 x = rect.mLeft;
+ F32 x = (F32)rect.mLeft;
F32 y = 0.f;
switch(valign)
{
case TOP:
- y = rect.mTop;
+ y = (F32)rect.mTop;
break;
case VCENTER:
- y = rect.getCenterY();
+ y = (F32)rect.getCenterY();
break;
case BASELINE:
case BOTTOM:
- y = rect.mBottom;
+ y = (F32)rect.mBottom;
break;
default:
- y = rect.mBottom;
+ y = (F32)rect.mBottom;
break;
}
return render(wstr, begin_offset, x, y, color, halign, valign, style, shadow, max_chars, rect.getWidth(), right_x, use_ellipses);
@@ -177,21 +164,11 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
gGL.loadUIIdentity();
- //gGL.translateUI(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
-
- // this code snaps the text origin to a pixel grid to start with
- //F32 pixel_offset_x = llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
- //F32 pixel_offset_y = llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
- //gGL.translateUI(-pixel_offset_x, -pixel_offset_y, 0.f);
-
LLVector2 origin(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY));
- // snap the text origin to a pixel grid to start with
- origin.mV[VX] -= llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
- origin.mV[VY] -= llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
- // Depth translation, so that floating text appears 'inworld'
- // and is correclty occluded.
- gGL.translatef(0.f,0.f,sCurOrigin.mZ);
+ // Depth translation, so that floating text appears 'in-world'
+ // and is correctly occluded.
+ gGL.translatef(0.f,0.f,sCurDepth);
S32 chars_drawn = 0;
S32 i;
@@ -215,16 +192,17 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
cur_y = ((F32)y * sScaleY) + origin.mV[VY];
// Offset y by vertical alignment.
+ // use unscaled font metrics here
switch (valign)
{
case TOP:
- cur_y -= mFontFreetype->getAscenderHeight();
+ cur_y -= llceil(mFontFreetype->getAscenderHeight());
break;
case BOTTOM:
- cur_y += mFontFreetype->getDescenderHeight();
+ cur_y += llceil(mFontFreetype->getDescenderHeight());
break;
case VCENTER:
- cur_y -= (mFontFreetype->getAscenderHeight() - mFontFreetype->getDescenderHeight()) / 2.f;
+ cur_y -= llceil((llceil(mFontFreetype->getAscenderHeight()) - llceil(mFontFreetype->getDescenderHeight())) / 2.f);
break;
case BASELINE:
// Baseline, do nothing.
@@ -250,7 +228,7 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
cur_render_y = cur_y;
cur_render_x = cur_x;
- F32 start_x = llround(cur_x);
+ F32 start_x = (F32)llround(cur_x);
const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache();
@@ -304,6 +282,18 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
S32 next_bitmap_num = fgi->mBitmapNum;
if (next_bitmap_num != bitmap_num)
{
+ // Actually draw the queued glyphs before switching their texture;
+ // otherwise the queued glyphs will be taken from wrong textures.
+ if (glyph_count > 0)
+ {
+ gGL.begin(LLRender::QUADS);
+ {
+ gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
+ }
+ gGL.end();
+ glyph_count = 0;
+ }
+
bitmap_num = next_bitmap_num;
LLImageGL *font_image = font_bitmap_cache->getImageGL(bitmap_num);
gGL.getTexUnit(0)->bind(font_image);
@@ -322,10 +312,10 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
(fgi->mXBitmapOffset + fgi->mWidth) * inv_width,
(fgi->mYBitmapOffset - PAD_UVY) * inv_height);
// snap glyph origin to whole screen pixel
- LLRectf screen_rect(llround(cur_render_x + (F32)fgi->mXBearing),
- llround(cur_render_y + (F32)fgi->mYBearing),
- llround(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth,
- llround(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight);
+ LLRectf screen_rect((F32)llround(cur_render_x + (F32)fgi->mXBearing),
+ (F32)llround(cur_render_y + (F32)fgi->mYBearing),
+ (F32)llround(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth,
+ (F32)llround(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight);
if (glyph_count >= GLYPH_BATCH_SIZE)
{
@@ -378,12 +368,12 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
//FIXME: add underline as glyph?
if (style_to_add & UNDERLINE)
{
- F32 descender = mFontFreetype->getDescenderHeight();
+ F32 descender = (F32)llfloor(mFontFreetype->getDescenderHeight());
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.begin(LLRender::LINES);
- gGL.vertex2f(start_x, cur_y - (descender));
- gGL.vertex2f(cur_x, cur_y - (descender));
+ gGL.vertex2f(start_x, cur_y - descender);
+ gGL.vertex2f(cur_x, cur_y - descender);
gGL.end();
}
@@ -432,19 +422,9 @@ S32 LLFontGL::renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y
}
// font metrics - override for LLFontFreetype that returns units of virtual pixels
-F32 LLFontGL::getLineHeight() const
-{
- return (F32)llround(mFontFreetype->getLineHeight() / sScaleY);
-}
-
-F32 LLFontGL::getAscenderHeight() const
+S32 LLFontGL::getLineHeight() const
{
- return (F32)llround(mFontFreetype->getAscenderHeight() / sScaleY);
-}
-
-F32 LLFontGL::getDescenderHeight() const
-{
- return (F32)llround(mFontFreetype->getDescenderHeight() / sScaleY);
+ return llceil(mFontFreetype->getAscenderHeight() / sScaleY) + llceil(mFontFreetype->getDescenderHeight() / sScaleY);
}
S32 LLFontGL::getWidth(const std::string& utf8text) const
@@ -633,7 +613,7 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
}
// Round after kerning.
- cur_x = llround(cur_x);
+ cur_x = (F32)llround(cur_x);
drawn_x = cur_x;
}
@@ -704,7 +684,7 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_
}
// Round after kerning.
- total_width = llround(total_width);
+ total_width = (F32)llround(total_width);
}
if (drawable_chars == 0)
@@ -787,7 +767,7 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 t
// Round after kerning.
- cur_x = llround(cur_x);
+ cur_x = (F32)llround(cur_x);
}
return llmin(max_chars, pos - begin_offset);
@@ -1134,22 +1114,22 @@ void LLFontGL::renderQuad(LLVector3* vertex_out, LLVector2* uv_out, LLColor4U* c
{
S32 index = 0;
- vertex_out[index] = LLVector3(llfont_round_x(screen_rect.mRight), llfont_round_y(screen_rect.mTop), 0.f);
+ vertex_out[index] = LLVector3(screen_rect.mRight, screen_rect.mTop, 0.f);
uv_out[index] = LLVector2(uv_rect.mRight, uv_rect.mTop);
colors_out[index] = color;
index++;
- vertex_out[index] = LLVector3(llfont_round_x(screen_rect.mLeft), llfont_round_y(screen_rect.mTop), 0.f);
+ vertex_out[index] = LLVector3(screen_rect.mLeft, screen_rect.mTop, 0.f);
uv_out[index] = LLVector2(uv_rect.mLeft, uv_rect.mTop);
colors_out[index] = color;
index++;
- vertex_out[index] = LLVector3(llfont_round_x(screen_rect.mLeft), llfont_round_y(screen_rect.mBottom), 0.f);
+ vertex_out[index] = LLVector3(screen_rect.mLeft, screen_rect.mBottom, 0.f);
uv_out[index] = LLVector2(uv_rect.mLeft, uv_rect.mBottom);
colors_out[index] = color;
index++;
- vertex_out[index] = LLVector3(llfont_round_x(screen_rect.mRight), llfont_round_y(screen_rect.mBottom), 0.f);
+ vertex_out[index] = LLVector3(screen_rect.mRight, screen_rect.mBottom, 0.f);
uv_out[index] = LLVector2(uv_rect.mRight, uv_rect.mBottom);
colors_out[index] = color;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 12:26:31 +0000