FontRenderer.cpp revision 9b9902ddbb01548f4a0199087b7035e7c10b2ae7
1694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/* 2694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Copyright (C) 2010 The Android Open Source Project 3694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 4694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * you may not use this file except in compliance with the License. 6694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * You may obtain a copy of the License at 7694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 8694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 10694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Unless required by applicable law or agreed to in writing, software 11694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * See the License for the specific language governing permissions and 14694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * limitations under the License. 15694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy */ 16694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 17694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#define LOG_TAG "OpenGLRenderer" 18694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 19694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkUtils.h> 20694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include <cutils/properties.h> 2251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include <utils/Log.h> 2351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 2451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "FontRenderer.h" 2551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 26694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace android { 27694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace uirenderer { 28694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 29694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/////////////////////////////////////////////////////////////////////////////// 3051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy// Defines 3151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy/////////////////////////////////////////////////////////////////////////////// 3251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 3351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#define DEFAULT_TEXT_CACHE_WIDTH 1024 3451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#define DEFAULT_TEXT_CACHE_HEIGHT 256 3551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 3651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy/////////////////////////////////////////////////////////////////////////////// 37694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy// Font 38694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/////////////////////////////////////////////////////////////////////////////// 39694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 40694b519ac647fe998fd396fe0784cc8e179aadc4Romain GuyFont::Font(FontRenderer* state, uint32_t fontId, float fontSize) : 41694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mState(state), mFontId(fontId), mFontSize(fontSize) { 42694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 43694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 44694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 45694b519ac647fe998fd396fe0784cc8e179aadc4Romain GuyFont::~Font() { 46694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t ct = 0; ct < mState->mActiveFonts.size(); ct++) { 47694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mState->mActiveFonts[ct] == this) { 48694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mState->mActiveFonts.removeAt(ct); 49694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy break; 50694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 51694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 52694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 53694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 5451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CachedGlyphInfo* glyph = mCachedGlyphs.valueAt(i); 55694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy delete glyph; 56694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 57694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 58694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 59694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid Font::invalidateTextureCache() { 60694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 61694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCachedGlyphs.valueAt(i)->mIsValid = false; 62694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 63694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 64694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 65694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y) { 66694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int nPenX = x + glyph->mBitmapLeft; 67694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int nPenY = y + glyph->mBitmapTop + glyph->mBitmapHeight; 68694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 6951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float u1 = glyph->mBitmapMinU; 7051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float u2 = glyph->mBitmapMaxU; 7151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float v1 = glyph->mBitmapMinV; 7251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float v2 = glyph->mBitmapMaxV; 7351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 7451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy int width = (int) glyph->mBitmapWidth; 7551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy int height = (int) glyph->mBitmapHeight; 7651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 7751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mState->appendMeshQuad(nPenX, nPenY, 0, u1, v2, 7851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy nPenX + width, nPenY, 0, u2, v2, 7951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy nPenX + width, nPenY - height, 0, u2, v1, 8051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy nPenX, nPenY - height, 0, u1, v1); 81694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 82694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 8351769a68a5cb34e9564740c6a854fcb93018789dRomain Guyvoid Font::renderUTF(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 8409147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy int numGlyphs, int x, int y) { 85694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 86694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return; 87694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 88694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 89694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int penX = x, penY = y; 90694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int glyphsLeft = 1; 91694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (numGlyphs > 0) { 92694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyphsLeft = numGlyphs; 93694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 94694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 95694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy text += start; 96694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 97694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy while (glyphsLeft > 0) { 98694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int32_t utfChar = SkUTF16_NextUnichar((const uint16_t**) &text); 99694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 100694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Reached the end of the string or encountered 101694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (utfChar < 0) { 102694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy break; 103694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 104694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueFor(utfChar); 106694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (cachedGlyph == NULL) { 107694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy cachedGlyph = cacheGlyph(paint, utfChar); 108694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 10951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 110694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Is the glyph still in texture cache? 111694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (!cachedGlyph->mIsValid) { 112694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy const SkGlyph& skiaGlyph = paint->getUnicharMetrics(utfChar); 113694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy updateGlyphCache(paint, skiaGlyph, cachedGlyph); 114694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 115694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 116694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 117694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (cachedGlyph->mIsValid) { 118694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy drawCachedGlyph(cachedGlyph, penX, penY); 119694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 120694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 12109147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy penX += SkFixedFloor(cachedGlyph->mAdvanceX); 122694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 123694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // If we were given a specific number of glyphs, decrement 124694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (numGlyphs > 0) { 125694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyphsLeft--; 126694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 127694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 128694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 129694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 13051769a68a5cb34e9564740c6a854fcb93018789dRomain Guyvoid Font::updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo* glyph) { 131694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 132694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 133694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapTop = skiaGlyph.fTop; 135694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 136694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t startX = 0; 137694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t startY = 0; 138694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 139694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Get the bitmap for the glyph 140694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy paint->findImage(skiaGlyph); 14151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy glyph->mIsValid = mState->cacheBitmap(skiaGlyph, &startX, &startY); 142694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 143694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (!glyph->mIsValid) { 144694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return; 145694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 146694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 147694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t endX = startX + skiaGlyph.fWidth; 148694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t endY = startY + skiaGlyph.fHeight; 149694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 150694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 151694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 152694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 15351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy uint32_t cacheWidth = mState->getCacheWidth(); 15451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy uint32_t cacheHeight = mState->getCacheHeight(); 155694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 156694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapMinU = (float) startX / (float) cacheWidth; 157694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapMinV = (float) startY / (float) cacheHeight; 158694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapMaxU = (float) endX / (float) cacheWidth; 159694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glyph->mBitmapMaxV = (float) endY / (float) cacheHeight; 160694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 16151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mState->mUploadTexture = true; 162694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 163694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 16451769a68a5cb34e9564740c6a854fcb93018789dRomain GuyFont::CachedGlyphInfo* Font::cacheGlyph(SkPaint* paint, int32_t glyph) { 16551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 166694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCachedGlyphs.add(glyph, newGlyph); 167694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 168694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy const SkGlyph& skiaGlyph = paint->getUnicharMetrics(glyph); 169694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 170694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy newGlyph->mIsValid = false; 171694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 172694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy updateGlyphCache(paint, skiaGlyph, newGlyph); 173694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 174694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return newGlyph; 175694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 176694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 177694b519ac647fe998fd396fe0784cc8e179aadc4Romain GuyFont* Font::create(FontRenderer* state, uint32_t fontId, float fontSize) { 178694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<Font*> &activeFonts = state->mActiveFonts; 179694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 180694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < activeFonts.size(); i++) { 18151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Font* font = activeFonts[i]; 18251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy if (font->mFontId == fontId && font->mFontSize == fontSize) { 18351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy return font; 184694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 185694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 186694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 187694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Font* newFont = new Font(state, fontId, fontSize); 188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy activeFonts.push(newFont); 189694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return newFont; 190694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 191694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 192694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/////////////////////////////////////////////////////////////////////////////// 193694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy// FontRenderer 194694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/////////////////////////////////////////////////////////////////////////////// 195694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 196694b519ac647fe998fd396fe0784cc8e179aadc4Romain GuyFontRenderer::FontRenderer() { 19751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD("Creating FontRenderer"); 19851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 199694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mInitialized = false; 200694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mMaxNumberOfQuads = 1024; 201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentQuadIndex = 0; 2029b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mTextureId = 0; 203694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 204694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mIndexBufferID = 0; 205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 20651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheWidth = DEFAULT_TEXT_CACHE_WIDTH; 2079b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mCacheHeight = DEFAULT_TEXT_CACHE_HEIGHT; 20851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 20951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy char property[PROPERTY_VALUE_MAX]; 21051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy if (property_get(PROPERTY_TEXT_CACHE_WIDTH, property, NULL) > 0) { 21151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD(" Setting text cache width to %s pixels", property); 21251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheWidth = atoi(property); 21351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } else { 21451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD(" Using default text cache width of %i pixels", mCacheWidth); 21551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } 21651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 21751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy if (property_get(PROPERTY_TEXT_CACHE_HEIGHT, property, NULL) > 0) { 21851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD(" Setting text cache width to %s pixels", property); 21951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheHeight = atoi(property); 22051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } else { 22151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD(" Using default text cache height of %i pixels", mCacheHeight); 22251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } 223694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 224694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 225694b519ac647fe998fd396fe0784cc8e179aadc4Romain GuyFontRenderer::~FontRenderer() { 226694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCacheLines.size(); i++) { 227694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy delete mCacheLines[i]; 228694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 229694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCacheLines.clear(); 230694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2319b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk delete mTextMeshPtr; 2329b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 233694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy delete mTextTexture; 2349b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk if(mTextureId) { 2359b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk glDeleteTextures(1, &mTextureId); 2369b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk } 237694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 238694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<Font*> fontsToDereference = mActiveFonts; 239694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < fontsToDereference.size(); i++) { 240694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy delete fontsToDereference[i]; 241694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 242694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 243694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 244694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::flushAllAndInvalidate() { 245694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mCurrentQuadIndex != 0) { 246694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy issueDrawCommand(); 247694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentQuadIndex = 0; 248694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 249694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mActiveFonts.size(); i++) { 250694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mActiveFonts[i]->invalidateTextureCache(); 251694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 252694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCacheLines.size(); i++) { 253694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCacheLines[i]->mCurrentCol = 0; 254694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 255694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 256694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25751769a68a5cb34e9564740c6a854fcb93018789dRomain Guybool FontRenderer::cacheBitmap(const SkGlyph& glyph, uint32_t* retOriginX, uint32_t* retOriginY) { 258694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // If the glyph is too tall, don't cache it 259694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (glyph.fWidth > mCacheLines[mCacheLines.size() - 1]->mMaxHeight) { 260694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy LOGE("Font size to large to fit in cache. width, height = %i, %i", 261694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (int) glyph.fWidth, (int) glyph.fHeight); 262694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 263694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 264694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 265694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Now copy the bitmap into the cache texture 266694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t startX = 0; 267694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t startY = 0; 268694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 269694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool bitmapFit = false; 270694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCacheLines.size(); i++) { 271694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bitmapFit = mCacheLines[i]->fitBitmap(glyph, &startX, &startY); 272694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (bitmapFit) { 273694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy break; 274694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 275694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 276694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 277694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // If the new glyph didn't fit, flush the state so far and invalidate everything 278694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (!bitmapFit) { 279694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy flushAllAndInvalidate(); 280694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 281694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Try to fit it again 282694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mCacheLines.size(); i++) { 283694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bitmapFit = mCacheLines[i]->fitBitmap(glyph, &startX, &startY); 284694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (bitmapFit) { 285694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy break; 286694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 287694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 288694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 289694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // if we still don't fit, something is wrong and we shouldn't draw 290694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (!bitmapFit) { 291694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy LOGE("Bitmap doesn't fit in cache. width, height = %i, %i", 292694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (int) glyph.fWidth, (int) glyph.fHeight); 293694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 294694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 295694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 296694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 297694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy *retOriginX = startX; 298694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy *retOriginY = startY; 299694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 300694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t endX = startX + glyph.fWidth; 301694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t endY = startY + glyph.fHeight; 302694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 303694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t cacheWidth = mCacheWidth; 304694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 30551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy unsigned char* cacheBuffer = mTextTexture; 30651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy unsigned char* bitmapBuffer = (unsigned char*) glyph.fImage; 307694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy unsigned int stride = glyph.rowBytes(); 308694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 309694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t cacheX = 0, bX = 0, cacheY = 0, bY = 0; 310694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (cacheX = startX, bX = 0; cacheX < endX; cacheX++, bX++) { 311694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (cacheY = startY, bY = 0; cacheY < endY; cacheY++, bY++) { 312694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy unsigned char tempCol = bitmapBuffer[bY * stride + bX]; 313694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy cacheBuffer[cacheY * cacheWidth + cacheX] = tempCol; 314694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 315694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 316694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 317694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return true; 318694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 319694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 320694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::initTextTexture() { 321694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mTextTexture = new unsigned char[mCacheWidth * mCacheHeight]; 322694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mUploadTexture = false; 323694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 324694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glGenTextures(1, &mTextureId); 325694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindTexture(GL_TEXTURE_2D, mTextureId); 326694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glPixelStorei(GL_UNPACK_ALIGNMENT, 1); 3279b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk // Initialize texture dimentions 3289b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, mCacheWidth, mCacheHeight, 0, 3299b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk GL_ALPHA, GL_UNSIGNED_BYTE, 0); 330694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 331694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 332694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 333694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 334694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 335694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 336694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 337694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Split up our cache texture into lines of certain widths 338694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int nextLine = 0; 33951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, 16, nextLine, 0)); 340694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy nextLine += mCacheLines.top()->mMaxHeight; 34151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, 24, nextLine, 0)); 342694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy nextLine += mCacheLines.top()->mMaxHeight; 34351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, 32, nextLine, 0)); 344694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy nextLine += mCacheLines.top()->mMaxHeight; 34551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, 32, nextLine, 0)); 346694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy nextLine += mCacheLines.top()->mMaxHeight; 34751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, 40, nextLine, 0)); 348694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy nextLine += mCacheLines.top()->mMaxHeight; 34951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCacheLines.push(new CacheTextureLine(mCacheWidth, mCacheHeight - nextLine, nextLine, 0)); 350694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 351694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 352694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy// Avoid having to reallocate memory and render quad by quad 353694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::initVertexArrayBuffers() { 354694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t numIndicies = mMaxNumberOfQuads * 6; 355694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t indexBufferSizeBytes = numIndicies * sizeof(uint16_t); 35651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy uint16_t* indexBufferData = (uint16_t*) malloc(indexBufferSizeBytes); 357694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 358694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Four verts, two triangles , six indices per quad 359694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy for (uint32_t i = 0; i < mMaxNumberOfQuads; i++) { 360694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int i6 = i * 6; 361694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int i4 = i * 4; 362694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 363694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 0] = i4 + 0; 364694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 1] = i4 + 1; 365694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 2] = i4 + 2; 366694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 367694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 3] = i4 + 0; 368694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 4] = i4 + 2; 369694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy indexBufferData[i6 + 5] = i4 + 3; 370694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 371694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 372694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glGenBuffers(1, &mIndexBufferID); 373694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ARRAY_BUFFER, mIndexBufferID); 374694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBufferData(GL_ARRAY_BUFFER, indexBufferSizeBytes, indexBufferData, GL_DYNAMIC_DRAW); 375694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ARRAY_BUFFER, 0); 376694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 377694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy free(indexBufferData); 378694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 379694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t coordSize = 3; 380694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t uvSize = 2; 381694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t vertsPerQuad = 4; 3829b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk uint32_t vertexBufferSize = mMaxNumberOfQuads * vertsPerQuad * coordSize * uvSize; 3839b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mTextMeshPtr = new float[vertexBufferSize]; 384694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 385694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 386694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy// We don't want to allocate anything unless we actually draw text 387694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::checkInit() { 388694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mInitialized) { 389694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return; 390694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 391694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 392694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy initTextTexture(); 393694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy initVertexArrayBuffers(); 394694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 395694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mInitialized = true; 396694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 397694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3989b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchoukvoid FontRenderer::checkTextureUpdate() { 3999b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk if (!mUploadTexture) { 4009b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk return; 4019b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk } 4029b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4039b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk glBindTexture(GL_TEXTURE_2D, mTextureId); 4049b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4059b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk // Iterate over all the cache lines and see which ones need to be updated 4069b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i++) { 4079b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk CacheTextureLine* cl = mCacheLines[i]; 4089b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk if(cl->mDirty) { 4099b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk uint32_t xOffset = 0; 4109b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk uint32_t yOffset = cl->mCurrentRow; 4119b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk uint32_t width = mCacheWidth; 4129b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk uint32_t height = cl->mMaxHeight; 4139b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk void* textureData = mTextTexture + yOffset*width; 4149b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4159b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk glTexSubImage2D(GL_TEXTURE_2D, 0, xOffset, yOffset, width, height, 4169b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk GL_ALPHA, GL_UNSIGNED_BYTE, textureData); 4179b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4189b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk cl->mDirty = false; 4199b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk } 420694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 421694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 4229b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mUploadTexture = false; 4239b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk} 4249b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4259b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchoukvoid FontRenderer::issueDrawCommand() { 4269b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 4279b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk checkTextureUpdate(); 4289b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk 42951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float* vtx = mTextMeshPtr; 43051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float* tex = vtx + 3; 431694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 432694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // position is slot 0 433694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t slot = 0; 434694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glVertexAttribPointer(slot, 3, GL_FLOAT, false, 20, vtx); 435694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 436694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // texture0 is slot 1 437694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy slot = 1; 438694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glVertexAttribPointer(slot, 2, GL_FLOAT, false, 20, tex); 439694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 440694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBufferID); 441694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, NULL); 442694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 443694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 444694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::appendMeshQuad(float x1, float y1, float z1, float u1, float v1, float x2, 445694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float y2, float z2, float u2, float v2, float x3, float y3, float z3, float u3, float v3, 446694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float x4, float y4, float z4, float u4, float v4) { 44709147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy if (x1 > mClip->right || y1 < mClip->top || x2 < mClip->left || y4 > mClip->bottom) { 44809147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy return; 44909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy } 45009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 451694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy const uint32_t vertsPerQuad = 4; 452694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy const uint32_t floatsPerVert = 5; 45351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy float* currentPos = mTextMeshPtr + mCurrentQuadIndex * vertsPerQuad * floatsPerVert; 454694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 455694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = x1; 456694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = y1; 457694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = z1; 458694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = u1; 459694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = v1; 460694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 461694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = x2; 462694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = y2; 463694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = z2; 464694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = u2; 465694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = v2; 466694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 467694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = x3; 468694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = y3; 469694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = z3; 470694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = u3; 471694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = v3; 472694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 473694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = x4; 474694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = y4; 475694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = z4; 476694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = u4; 477694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy (*currentPos++) = v4; 478694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 479694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentQuadIndex++; 480694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 481694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mCurrentQuadIndex == mMaxNumberOfQuads) { 482694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy issueDrawCommand(); 483694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentQuadIndex = 0; 484694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 485694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 486694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 487694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyvoid FontRenderer::setFont(uint32_t fontId, float fontSize) { 488694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentFont = Font::create(this, fontId, fontSize); 489694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 490694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 49151769a68a5cb34e9564740c6a854fcb93018789dRomain Guyvoid FontRenderer::renderText(SkPaint* paint, const Rect* clip, const char *text, 49251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy uint32_t startIndex, uint32_t len, int numGlyphs, int x, int y) { 493694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy checkInit(); 494694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 49509147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy if (!mCurrentFont) { 49609147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy LOGE("No font set"); 497694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return; 498694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 499694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 50009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy mClip = clip; 50151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCurrentFont->renderUTF(paint, text, startIndex, len, numGlyphs, x, y); 502694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 503694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mCurrentQuadIndex != 0) { 504694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy issueDrawCommand(); 505694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentQuadIndex = 0; 506694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 507694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 508694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 509694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 510694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 511