diff options
Diffstat (limited to 'indra/llrender/llfontgl.cpp')
-rwxr-xr-x[-rw-r--r--] | indra/llrender/llfontgl.cpp | 411 |
1 files changed, 232 insertions, 179 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp index d9e1976341..53ca080d66 100644..100755 --- a/indra/llrender/llfontgl.cpp +++ b/indra/llrender/llfontgl.cpp @@ -2,31 +2,25 @@ * @file llfontgl.cpp * @brief Wrapper around FreeType * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -35,6 +29,7 @@ #include "llfontgl.h" // Linden library includes +#include "llfasttimer.h" #include "llfontfreetype.h" #include "llfontbitmapcache.h" #include "llfontregistry.h" @@ -62,32 +57,13 @@ 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; - -const F32 EXT_X_BEARING = 1.f; -const F32 EXT_Y_BEARING = 0.f; -const F32 EXT_KERNING = 1.f; -const F32 PIXEL_BORDER_THRESHOLD = 0.0001f; -const F32 PIXEL_CORRECTION_DISTANCE = 0.01f; +LLCoordGL LLFontGL::sCurOrigin; +F32 LLFontGL::sCurDepth; +std::vector<std::pair<LLCoordGL, F32> > LLFontGL::sOriginStack; 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() { } @@ -116,11 +92,39 @@ BOOL LLFontGL::loadFace(const std::string& filename, F32 point_size, F32 vert_dp return mFontFreetype->loadFace(filename, point_size, vert_dpi, horz_dpi, components, is_fallback); } -static LLFastTimer::DeclareTimer FTM_RENDER_FONTS("Fonts"); +static LLTrace::BlockTimerStatHandle 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 = (F32)rect.mLeft; + F32 y = 0.f; + + switch(valign) + { + case TOP: + y = (F32)rect.mTop; + break; + case VCENTER: + y = (F32)rect.getCenterY(); + break; + case BASELINE: + case BOTTOM: + y = (F32)rect.mBottom; + break; + default: + 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); +} + S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_ellipses) const { + LL_RECORD_BLOCK_TIME(FTM_RENDER_FONTS); + if(!sDisplayFont) //do not display texts { return wstr.length() ; @@ -155,16 +159,11 @@ 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); - - LLFastTimer t(FTM_RENDER_FONTS); + LLVector2 origin(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY)); - gGL.color4fv( color.mV ); + // 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; @@ -184,20 +183,21 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons // Not guaranteed to be set correctly gGL.setSceneBlendType(LLRender::BT_ALPHA); - cur_x = ((F32)x * sScaleX); - cur_y = ((F32)y * sScaleY); + cur_x = ((F32)x * sScaleX) + origin.mV[VX]; + 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. @@ -211,10 +211,10 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons case LEFT: break; case RIGHT: - cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)); + cur_x -= llmin(scaled_max_pixels, ll_round(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)); break; case HCENTER: - cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)) / 2; + cur_x -= llmin(scaled_max_pixels, ll_round(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)) / 2; break; default: break; @@ -223,7 +223,7 @@ 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)ll_round(cur_x); const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache(); @@ -237,19 +237,27 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons if (use_ellipses) { // check for too long of a string - S32 string_width = llround(getWidthF32(wstr.c_str(), begin_offset, max_chars) * sScaleX); + S32 string_width = ll_round(getWidthF32(wstr.c_str(), begin_offset, max_chars) * sScaleX); if (string_width > scaled_max_pixels) { // use four dots for ellipsis width to generate padding const LLWString dots(utf8str_to_wstring(std::string("...."))); - scaled_max_pixels = llmax(0, scaled_max_pixels - llround(getWidthF32(dots.c_str()))); + scaled_max_pixels = llmax(0, scaled_max_pixels - ll_round(getWidthF32(dots.c_str()))); draw_ellipses = TRUE; } } - const LLFontGlyphInfo* next_glyph = NULL; + const S32 GLYPH_BATCH_SIZE = 30; + LLVector3 vertices[GLYPH_BATCH_SIZE * 4]; + LLVector2 uvs[GLYPH_BATCH_SIZE * 4]; + LLColor4U colors[GLYPH_BATCH_SIZE * 4]; + + LLColor4U text_color(color); + + S32 bitmap_num = -1; + S32 glyph_count = 0; for (i = begin_offset; i < begin_offset + length; i++) { llwchar wch = wstr[i]; @@ -262,12 +270,29 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons } if (!fgi) { - llerrs << "Missing Glyph Info" << llendl; + LL_ERRS() << "Missing Glyph Info" << LL_ENDL; break; } // Per-glyph bitmap texture. - LLImageGL *image_gl = mFontFreetype->getFontBitmapCache()->getImageGL(fgi->mBitmapNum); - gGL.getTexUnit(0)->bind(image_gl); + 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); + } if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth)) { @@ -282,12 +307,23 @@ 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)ll_round(cur_render_x + (F32)fgi->mXBearing), + (F32)ll_round(cur_render_y + (F32)fgi->mYBearing), + (F32)ll_round(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth, + (F32)ll_round(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight); - drawGlyph(screen_rect, uv_rect, color, style_to_add, shadow, drop_shadow_strength); + if (glyph_count >= GLYPH_BATCH_SIZE) + { + gGL.begin(LLRender::QUADS); + { + gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4); + } + gGL.end(); + + glyph_count = 0; + } + + drawGlyph(glyph_count, vertices, uvs, colors, screen_rect, uv_rect, text_color, style_to_add, shadow, drop_shadow_strength); chars_drawn++; cur_x += fgi->mXAdvance; @@ -305,26 +341,34 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons // Must do this to cur_x, not just to cur_render_x, otherwise you // will squish sub-pixel kerned characters too close together. // For example, "CCCCC" looks bad. - cur_x = (F32)llround(cur_x); - //cur_y = (F32)llround(cur_y); + cur_x = (F32)ll_round(cur_x); + //cur_y = (F32)ll_round(cur_y); cur_render_x = cur_x; cur_render_y = cur_y; } + gGL.begin(LLRender::QUADS); + { + gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4); + } + gGL.end(); + + if (right_x) { - *right_x = cur_x / sScaleX; + *right_x = (cur_x - origin.mV[VX]) / sScaleX; } + //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(); } @@ -336,7 +380,7 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons gGL.pushUIMatrix(); renderUTF8(std::string("..."), 0, - cur_x / sScaleX, (F32)y, + (cur_x - origin.mV[VX]) / sScaleX, (F32)y, color, LEFT, valign, style_to_add, @@ -373,19 +417,19 @@ 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 +F32 LLFontGL::getAscenderHeight() const { - return (F32)llround(mFontFreetype->getLineHeight() / sScaleY); + return mFontFreetype->getAscenderHeight() / sScaleY; } -F32 LLFontGL::getAscenderHeight() const +F32 LLFontGL::getDescenderHeight() const { - return (F32)llround(mFontFreetype->getAscenderHeight() / sScaleY); + return mFontFreetype->getDescenderHeight() / sScaleY; } -F32 LLFontGL::getDescenderHeight() const +S32 LLFontGL::getLineHeight() const { - return (F32)llround(mFontFreetype->getDescenderHeight() / sScaleY); + return llceil(mFontFreetype->getAscenderHeight() / sScaleY) + llceil(mFontFreetype->getDescenderHeight() / sScaleY); } S32 LLFontGL::getWidth(const std::string& utf8text) const @@ -408,7 +452,7 @@ S32 LLFontGL::getWidth(const std::string& utf8text, S32 begin_offset, S32 max_ch S32 LLFontGL::getWidth(const llwchar* wchars, S32 begin_offset, S32 max_chars) const { F32 width = getWidthF32(wchars, begin_offset, max_chars); - return llround(width); + return ll_round(width); } F32 LLFontGL::getWidthF32(const std::string& utf8text) const @@ -470,7 +514,7 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars cur_x += mFontFreetype->getXKerning(fgi, next_glyph); } // Round after kerning. - cur_x = (F32)llround(cur_x); + cur_x = (F32)ll_round(cur_x); } // add in extra pixels for last character's width past its xadvance @@ -492,13 +536,12 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch BOOL clip = FALSE; F32 cur_x = 0; - F32 drawn_x = 0; S32 start_of_last_word = 0; BOOL in_word = FALSE; // avoid S32 overflow when max_pixels == S32_MAX by staying in floating point - F32 scaled_max_pixels = ceil(max_pixels * sScaleX); + F32 scaled_max_pixels = max_pixels * sScaleX; F32 width_padding = 0.f; LLFontGlyphInfo* next_glyph = NULL; @@ -550,6 +593,11 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch if(!fgi) { fgi = mFontFreetype->getGlyphInfo(wch); + + if (NULL == fgi) + { + return 0; + } } // account for glyphs that run beyond the starting point for the next glyphs @@ -574,8 +622,7 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch } // Round after kerning. - cur_x = llround(cur_x); - drawn_x = cur_x; + cur_x = (F32)ll_round(cur_x); } if( clip ) @@ -645,7 +692,7 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ } // Round after kerning. - total_width = llround(total_width); + total_width = (F32)ll_round(total_width); } if (drawable_chars == 0) @@ -728,7 +775,7 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 t // Round after kerning. - cur_x = llround(cur_x); + cur_x = (F32)ll_round(cur_x); } return llmin(max_chars, pos - begin_offset); @@ -740,7 +787,7 @@ const LLFontDescriptor& LLFontGL::getFontDesc() const } // static -void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures) +void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, bool create_gl_textures) { sVertDPI = (F32)llfloor(screen_dpi * y_scale); sHorizDPI = (F32)llfloor(screen_dpi * x_scale); @@ -751,7 +798,7 @@ void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::st // Font registry init if (!sFontRegistry) { - sFontRegistry = new LLFontRegistry(xui_paths, create_gl_textures); + sFontRegistry = new LLFontRegistry(create_gl_textures); sFontRegistry->parseFontInfo("fonts.xml"); } else @@ -920,37 +967,43 @@ LLFontGL::VAlign LLFontGL::vAlignFromName(const std::string& name) //static LLFontGL* LLFontGL::getFontMonospace() { - return getFont(LLFontDescriptor("Monospace","Monospace",0)); + static LLFontGL* fontp = getFont(LLFontDescriptor("Monospace","Monospace",0)); + return fontp; } //static LLFontGL* LLFontGL::getFontSansSerifSmall() { - return getFont(LLFontDescriptor("SansSerif","Small",0)); + static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Small",0)); + return fontp; } //static LLFontGL* LLFontGL::getFontSansSerif() { - return getFont(LLFontDescriptor("SansSerif","Medium",0)); + static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Medium",0)); + return fontp; } //static LLFontGL* LLFontGL::getFontSansSerifBig() { - return getFont(LLFontDescriptor("SansSerif","Large",0)); + static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Large",0)); + return fontp; } //static LLFontGL* LLFontGL::getFontSansSerifHuge() { - return getFont(LLFontDescriptor("SansSerif","Huge",0)); + static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Large",0)); + return fontp; } //static LLFontGL* LLFontGL::getFontSansSerifBold() { - return getFont(LLFontDescriptor("SansSerif","Medium",BOLD)); + static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Medium",BOLD)); + return fontp; } //static @@ -1011,7 +1064,7 @@ std::string LLFontGL::getFontPathSystem() system_root = getenv("SystemRoot"); /* Flawfinder: ignore */ if (!system_root) { - llwarns << "SystemRoot not found, attempting to load fonts from default path." << llendl; + LL_WARNS() << "SystemRoot not found, attempting to load fonts from default path." << LL_ENDL; } #endif @@ -1056,104 +1109,104 @@ std::string LLFontGL::getFontPathLocal() LLFontGL::LLFontGL(const LLFontGL &source) { - llerrs << "Not implemented!" << llendl; + LL_ERRS() << "Not implemented!" << LL_ENDL; } LLFontGL &LLFontGL::operator=(const LLFontGL &source) { - llerrs << "Not implemented" << llendl; + LL_ERRS() << "Not implemented" << LL_ENDL; return *this; } -void LLFontGL::renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F32 slant_amt) const +void LLFontGL::renderQuad(LLVector3* vertex_out, LLVector2* uv_out, LLColor4U* colors_out, const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4U& color, F32 slant_amt) const { - gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop); - gGL.vertex2f(llfont_round_x(screen_rect.mRight), - llfont_round_y(screen_rect.mTop)); - - gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop); - gGL.vertex2f(llfont_round_x(screen_rect.mLeft), - llfont_round_y(screen_rect.mTop)); - - gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom); - gGL.vertex2f(llfont_round_x(screen_rect.mLeft + slant_amt), - llfont_round_y(screen_rect.mBottom)); - - gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom); - gGL.vertex2f(llfont_round_x(screen_rect.mRight + slant_amt), - llfont_round_y(screen_rect.mBottom)); + S32 index = 0; + + 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(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(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(screen_rect.mRight, screen_rect.mBottom, 0.f); + uv_out[index] = LLVector2(uv_rect.mRight, uv_rect.mBottom); + colors_out[index] = color; } -void LLFontGL::drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, ShadowType shadow, F32 drop_shadow_strength) const +void LLFontGL::drawGlyph(S32& glyph_count, LLVector3* vertex_out, LLVector2* uv_out, LLColor4U* colors_out, const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4U& color, U8 style, ShadowType shadow, F32 drop_shadow_strength) const { F32 slant_offset; slant_offset = ((style & ITALIC) ? ( -mFontFreetype->getAscenderHeight() * 0.2f) : 0.f); - gGL.begin(LLRender::QUADS); + //FIXME: bold and drop shadow are mutually exclusive only for convenience + //Allow both when we need them. + if (style & BOLD) { - //FIXME: bold and drop shadow are mutually exclusive only for convenience - //Allow both when we need them. - if (style & BOLD) + for (S32 pass = 0; pass < 2; pass++) { - gGL.color4fv(color.mV); - for (S32 pass = 0; pass < 2; pass++) - { - LLRectf screen_rect_offset = screen_rect; + LLRectf screen_rect_offset = screen_rect; - screen_rect_offset.translate((F32)(pass * BOLD_OFFSET), 0.f); - renderQuad(screen_rect_offset, uv_rect, slant_offset); - } + screen_rect_offset.translate((F32)(pass * BOLD_OFFSET), 0.f); + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect_offset, uv_rect, color, slant_offset); + glyph_count++; } - else if (shadow == DROP_SHADOW_SOFT) + } + else if (shadow == DROP_SHADOW_SOFT) + { + LLColor4U shadow_color = LLFontGL::sShadowColor; + shadow_color.mV[VALPHA] = U8(color.mV[VALPHA] * drop_shadow_strength * DROP_SHADOW_SOFT_STRENGTH); + for (S32 pass = 0; pass < 5; pass++) { - LLColor4 shadow_color = LLFontGL::sShadowColor; - shadow_color.mV[VALPHA] = color.mV[VALPHA] * drop_shadow_strength * DROP_SHADOW_SOFT_STRENGTH; - gGL.color4fv(shadow_color.mV); - for (S32 pass = 0; pass < 5; pass++) - { - LLRectf screen_rect_offset = screen_rect; + LLRectf screen_rect_offset = screen_rect; - switch(pass) - { - case 0: - screen_rect_offset.translate(-1.f, -1.f); - break; - case 1: - screen_rect_offset.translate(1.f, -1.f); - break; - case 2: - screen_rect_offset.translate(1.f, 1.f); - break; - case 3: - screen_rect_offset.translate(-1.f, 1.f); - break; - case 4: - screen_rect_offset.translate(0, -2.f); - break; - } - - renderQuad(screen_rect_offset, uv_rect, slant_offset); + switch(pass) + { + case 0: + screen_rect_offset.translate(-1.f, -1.f); + break; + case 1: + screen_rect_offset.translate(1.f, -1.f); + break; + case 2: + screen_rect_offset.translate(1.f, 1.f); + break; + case 3: + screen_rect_offset.translate(-1.f, 1.f); + break; + case 4: + screen_rect_offset.translate(0, -2.f); + break; } - gGL.color4fv(color.mV); - renderQuad(screen_rect, uv_rect, slant_offset); - } - else if (shadow == DROP_SHADOW) - { - LLColor4 shadow_color = LLFontGL::sShadowColor; - shadow_color.mV[VALPHA] = color.mV[VALPHA] * drop_shadow_strength; - gGL.color4fv(shadow_color.mV); - LLRectf screen_rect_shadow = screen_rect; - screen_rect_shadow.translate(1.f, -1.f); - renderQuad(screen_rect_shadow, uv_rect, slant_offset); - gGL.color4fv(color.mV); - renderQuad(screen_rect, uv_rect, slant_offset); - } - else // normal rendering - { - gGL.color4fv(color.mV); - renderQuad(screen_rect, uv_rect, slant_offset); + + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect_offset, uv_rect, shadow_color, slant_offset); + glyph_count++; } - + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect, uv_rect, color, slant_offset); + glyph_count++; + } + else if (shadow == DROP_SHADOW) + { + LLColor4U shadow_color = LLFontGL::sShadowColor; + shadow_color.mV[VALPHA] = U8(color.mV[VALPHA] * drop_shadow_strength); + LLRectf screen_rect_shadow = screen_rect; + screen_rect_shadow.translate(1.f, -1.f); + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect_shadow, uv_rect, shadow_color, slant_offset); + glyph_count++; + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect, uv_rect, color, slant_offset); + glyph_count++; + } + else // normal rendering + { + renderQuad(&vertex_out[glyph_count * 4], &uv_out[glyph_count * 4], &colors_out[glyph_count * 4], screen_rect, uv_rect, color, slant_offset); + glyph_count++; } - gGL.end(); } |