rsFont.cpp revision 3659d94d345c333bf98070dbe7b6daee233225a9
1d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 2d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk/* 3d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Copyright (C) 2009 The Android Open Source Project 4d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 5d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Licensed under the Apache License, Version 2.0 (the "License"); 6d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * you may not use this file except in compliance with the License. 7d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * You may obtain a copy of the License at 8d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 9d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * http://www.apache.org/licenses/LICENSE-2.0 10d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 11d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Unless required by applicable law or agreed to in writing, software 12d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * distributed under the License is distributed on an "AS IS" BASIS, 13d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * See the License for the specific language governing permissions and 15d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * limitations under the License. 16d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk */ 17d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 18d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#ifndef ANDROID_RS_BUILD_FOR_HOST 19d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsContext.h" 20d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#else 21d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsContextHostStub.h" 22d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#endif 23d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 24d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsFont.h" 25d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsProgramFragment.h" 26d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include FT_BITMAP_H 27d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 28d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES/gl.h> 29d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES/glext.h> 30d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES2/gl2.h> 31d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES2/gl2ext.h> 32d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 33d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukusing namespace android; 34d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukusing namespace android::renderscript; 35d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 36d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont::Font(Context *rsc) : ObjectBase(rsc), mCachedGlyphs(NULL) 37d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 38a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mAllocFile = __FILE__; 39a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mAllocLine = __LINE__; 40d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = false; 41d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mHasKerning = false; 423659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mFace = NULL; 43d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 44d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 45d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukbool Font::init(const char *name, uint32_t fontSize, uint32_t dpi) 46d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 47d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mInitialized) { 48d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Reinitialization of fonts not supported"); 49d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 50d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 51d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 52d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 fontsDir("/fonts/"); 53d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 fullPath(getenv("ANDROID_ROOT")); 54d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk fullPath += fontsDir; 55d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk fullPath += name; 56d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 57a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_New_Face(mRSC->mStateFont.getLib(), fullPath.string(), 0, &mFace); 58d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(error) { 59d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Unable to initialize font %s", fullPath.string()); 60d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 61d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 62d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 63d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontName = name; 64d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontSize = fontSize; 65d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mDpi = dpi; 66d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 67d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk error = FT_Set_Char_Size(mFace, fontSize * 64, 0, dpi, 0); 68d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(error) { 69d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Unable to set font size on %s", fullPath.string()); 70d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 71d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 72d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 73d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mHasKerning = FT_HAS_KERNING(mFace); 74d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 75d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = true; 76d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 77d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 78d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 79d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid Font::invalidateTextureCache() 80d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 81d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 82d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCachedGlyphs.valueAt(i)->mIsValid = false; 83d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 84d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 85d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 86d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid Font::drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y) 87d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 88d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 89d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 90d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int nPenX = x + glyph->mBitmapLeft; 91d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int nPenY = y - glyph->mBitmapTop + glyph->mBitmapHeight; 92d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 93d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk state->appendMeshQuad(nPenX, nPenY, 0, 94d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinU, glyph->mBitmapMaxV, 95d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 96d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nPenX + (int)glyph->mBitmapWidth, nPenY, 0, 97d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxU, glyph->mBitmapMaxV, 98d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 99d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nPenX + (int)glyph->mBitmapWidth, nPenY - (int)glyph->mBitmapHeight, 0, 100d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxU, glyph->mBitmapMinV, 101d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 102d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nPenX, nPenY - (int)glyph->mBitmapHeight, 0, 103d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinU, glyph->mBitmapMinV); 104d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 105d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 106d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid Font::renderUTF(const char *text, uint32_t len, uint32_t start, int numGlyphs, int x, int y) 107d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 108d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!mInitialized || numGlyphs == 0 || text == NULL || len == 0) { 109d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 110d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 111d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 112d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int penX = x, penY = y; 113d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int glyphsLeft = 1; 114d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(numGlyphs > 0) { 115d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyphsLeft = numGlyphs; 116d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 117d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 118d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t index = start; 119d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t nextIndex = 0; 120d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 121d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk while (glyphsLeft > 0) { 122d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 123d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int32_t utfChar = utf32_at(text, len, index, &nextIndex); 124d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 125d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Reached the end of the string or encountered 126d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(utfChar < 0) { 127d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 128d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 129d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 130d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Move to the next character in the array 131d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk index = nextIndex; 132d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 133d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *cachedGlyph = mCachedGlyphs.valueFor((uint32_t)utfChar); 134d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 135d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(cachedGlyph == NULL) { 136d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk cachedGlyph = cacheGlyph((uint32_t)utfChar); 137d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 138d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Is the glyph still in texture cache? 139d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!cachedGlyph->mIsValid) { 140d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk updateGlyphCache(cachedGlyph); 141d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 142d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 143d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 144d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(cachedGlyph->mIsValid) { 145d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY); 146d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 147d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 148d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk penX += (cachedGlyph->mAdvance.x >> 6); 149d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 150d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If we were given a specific number of glyphs, decrement 151d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(numGlyphs > 0) { 152d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyphsLeft --; 153d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 154d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 155d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 156d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 157d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid Font::updateGlyphCache(CachedGlyphInfo *glyph) 158d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 159a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Load_Glyph( mFace, glyph->mGlyphIndex, FT_LOAD_RENDER ); 160a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(error) { 161a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk LOGE("Couldn't load glyph."); 162a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return; 163a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 164d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 165a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mAdvance = mFace->glyph->advance; 166a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapLeft = mFace->glyph->bitmap_left; 167a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapTop = mFace->glyph->bitmap_top; 168d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 169a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Bitmap *bitmap = &mFace->glyph->bitmap; 170d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 171d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 172d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 173d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 174d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 175d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Let the font state figure out where to put the bitmap 176d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 177a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mIsValid = state->cacheBitmap(bitmap, &startX, &startY); 178d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!glyph->mIsValid) { 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 181d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 182d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 183a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endX = startX + bitmap->width; 184a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endY = startY + bitmap->rows; 185d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 186d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinX = startX; 187d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinY = startY; 188a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapWidth = bitmap->width; 189a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapHeight = bitmap->rows; 190d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 191d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 192d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheHeight = state->getCacheTextureType()->getDimY(); 193d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 194d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinU = (float)startX / (float)cacheWidth; 195d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinV = (float)startY / (float)cacheHeight; 196d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxU = (float)endX / (float)cacheWidth; 197d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxV = (float)endY / (float)cacheHeight; 198d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 199d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 200d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont::CachedGlyphInfo *Font::cacheGlyph(uint32_t glyph) 201d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 202d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *newGlyph = new CachedGlyphInfo(); 203d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCachedGlyphs.add(glyph, newGlyph); 204d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 205d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mGlyphIndex = FT_Get_Char_Index(mFace, glyph); 206d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mIsValid = false; 207d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 208d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk updateGlyphCache(newGlyph); 209d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 210d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newGlyph; 211d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 212d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 213d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont * Font::create(Context *rsc, const char *name, uint32_t fontSize, uint32_t dpi) 214d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 215d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> &activeFonts = rsc->mStateFont.mActiveFonts; 216d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 217d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < activeFonts.size(); i ++) { 218d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *ithFont = activeFonts[i]; 219d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(ithFont->mFontName == name && ithFont->mFontSize == fontSize && ithFont->mDpi == dpi) { 220d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return ithFont; 221d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 223d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 224d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *newFont = new Font(rsc); 225d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool isInitialized = newFont->init(name, fontSize, dpi); 226d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(isInitialized) { 227d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk activeFonts.push(newFont); 228d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newFont; 229d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 230d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 231d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete newFont; 232d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return NULL; 233d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 234d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 235d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 236d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont::~Font() 237d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 238d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mFace) { 239d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Done_Face(mFace); 240d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 241d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 242d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for (uint32_t ct = 0; ct < mRSC->mStateFont.mActiveFonts.size(); ct++) { 243d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if (mRSC->mStateFont.mActiveFonts[ct] == this) { 244d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->mStateFont.mActiveFonts.removeAt(ct); 245d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 246d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 247d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 248d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 249d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *glyph = mCachedGlyphs.valueAt(i); 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete glyph; 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 255d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFontState::FontState() 256d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 257d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = false; 258d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mMaxNumberOfQuads = 1024; 259d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 260d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC = NULL; 2613659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 262d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 263d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 264d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFontState::~FontState() 265d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 266d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 267d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete mCacheLines[i]; 268d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 269d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 270d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk rsAssert(!mActiveFonts.size()); 271d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 272d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 273a1ccecd965c07c2739f1258989526051a010bdabAlex SakhartchoukFT_Library FontState::getLib() 274d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 275d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!mLibrary) { 276a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Init_FreeType(&mLibrary); 277d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(error) { 278d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Unable to initialize freetype"); 279a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return NULL; 280d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 281d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 2823659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 283a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return mLibrary; 284a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk} 285d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 286a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchoukvoid FontState::init(Context *rsc) 287a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk{ 288a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mRSC = rsc; 289d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 290d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 291d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::flushAllAndInvalidate() 292d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 293d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 294d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 295d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 296d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 297d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mActiveFonts.size(); i ++) { 298d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mActiveFonts[i]->invalidateTextureCache(); 299d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 300d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 301d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mCurrentCol = 0; 302d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 303d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 304d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 305d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukbool FontState::cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) 306d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 307d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the glyph is too tall, don't cache it 308d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if((uint32_t)bitmap->rows > mCacheLines[mCacheLines.size()-1]->mMaxHeight) { 309d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Font size to large to fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 310d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 311d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 312d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 313d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 314d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 315d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 316d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 317d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool bitmapFit = false; 318d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 319d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 320d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(bitmapFit) { 321d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 322d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 323d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 324d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 325d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the new glyph didn't fit, flush the state so far and invalidate everything 326d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!bitmapFit) { 327d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk flushAllAndInvalidate(); 328d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 329d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Try to fit it again 330d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 331d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 332d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(bitmapFit) { 333d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 334d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 335d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 336d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 337d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // if we still don't fit, something is wrong and we shouldn't draw 338d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!bitmapFit) { 339d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Bitmap doesn't fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 340d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 341d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 342d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 343d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 344d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginX = startX; 345d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginY = startY; 346d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 347d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endX = startX + bitmap->width; 348d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endY = startY + bitmap->rows; 349d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 350d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = getCacheTextureType()->getDimX(); 351d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 352d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char *cacheBuffer = (unsigned char*)mTextTexture->getPtr(); 353d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char *bitmapBuffer = bitmap->buffer; 354d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 355d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheX = 0, bX = 0, cacheY = 0, bY = 0; 356d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(cacheX = startX, bX = 0; cacheX < endX; cacheX ++, bX ++) { 357d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(cacheY = startY, bY = 0; cacheY < endY; cacheY ++, bY ++) { 358d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char tempCol = bitmapBuffer[bY * bitmap->width + bX]; 359d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk cacheBuffer[cacheY*cacheWidth + cacheX] = tempCol; 360d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 361d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 362d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 363d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // This will dirty the texture and the shader so next time 364d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // we draw it will upload the data 365d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 366d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF->bindTexture(0, mTextTexture.get()); 367d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 368d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Some debug code 369d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk /*for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 370d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Cache Line: H: %u Empty Space: %f", 371d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mMaxHeight, 372d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (1.0f - (float)mCacheLines[i]->mCurrentCol/(float)mCacheLines[i]->mMaxWidth)*100.0f); 373d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 374d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }*/ 375d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 376d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 377d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 378d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 379d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initRenderState() 380d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 381d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t tmp[5] = { 382d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk RS_TEX_ENV_MODE_REPLACE, 1, 383d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk RS_TEX_ENV_MODE_NONE, 0, 384d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 0 385d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 386d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ProgramFragment *pf = new ProgramFragment(mRSC, tmp, 5); 387d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF.set(pf); 388d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF->init(mRSC); 389d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 390d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Sampler *sampler = new Sampler(mRSC, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST, 391d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP); 392d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontSampler.set(sampler); 393d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF->bindSampler(0, sampler); 394d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 395d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ProgramStore *fontStore = new ProgramStore(mRSC); 396d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore.set(fontStore); 397d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDepthFunc(RS_DEPTH_FUNC_ALWAYS); 398d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setBlendFunc(RS_BLEND_SRC_SRC_ALPHA, RS_BLEND_DST_ONE_MINUS_SRC_ALPHA); 399d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDitherEnable(false); 400d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDepthMask(false); 401d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 402d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 403d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initTextTexture() 404d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 405d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *alphaElem = Element::create(mRSC, RS_TYPE_UNSIGNED_8, RS_KIND_PIXEL_A, true, 1); 406d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 407d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // We will allocate a texture to initially hold 32 character bitmaps 408d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *texType = new Type(mRSC); 409d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setElement(alphaElem); 410d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setDimX(1024); 411d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setDimY(256); 412d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->compute(); 413d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 414d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *cacheAlloc = new Allocation(mRSC, texType); 415d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture.set(cacheAlloc); 416d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 417d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 418d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Split up our cache texture into lines of certain widths 419d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int nextLine = 0; 420d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(16, texType->getDimX(), nextLine, 0)); 421d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 422d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 423d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 424d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 425d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 426d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 427d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 428d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(40, texType->getDimX(), nextLine, 0)); 429d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 430d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(texType->getDimY() - nextLine, texType->getDimX(), nextLine, 0)); 431d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 432d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 433d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// Avoid having to reallocate memory and render quad by quad 434d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initVertexArrayBuffers() 435d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 436d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now lets write index data 437d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *indexElem = Element::create(mRSC, RS_TYPE_UNSIGNED_16, RS_KIND_USER, false, 1); 438d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *indexType = new Type(mRSC); 439d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t numIndicies = mMaxNumberOfQuads * 6; 440d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->setDimX(numIndicies); 441d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->setElement(indexElem); 442d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->compute(); 443d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 444d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *indexAlloc = new Allocation(mRSC, indexType); 445d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint16_t *indexPtr = (uint16_t*)indexAlloc->getPtr(); 446d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 447d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Four verts, two triangles , six indices per quad 448d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mMaxNumberOfQuads; i ++) { 449d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int i6 = i * 6; 450d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int i4 = i * 4; 451d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 452d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 0] = i4 + 0; 453d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 1] = i4 + 1; 454d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 2] = i4 + 2; 455d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 456d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 3] = i4 + 0; 457d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 4] = i4 + 2; 458d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 5] = i4 + 3; 459d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 460d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 461d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexAlloc->deferedUploadToBufferObject(mRSC); 462d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer.set(indexAlloc); 463d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 464d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *posElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 3); 465d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *texElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 2); 466d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 467d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *elemArray[2]; 468d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk elemArray[0] = posElem; 469d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk elemArray[1] = texElem; 470d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 471d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 posName("position"); 472d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 texName("texture0"); 473d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 474d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *nameArray[2]; 475d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nameArray[0] = posName.string(); 476d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nameArray[1] = texName.string(); 477d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t lengths[2]; 478d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk lengths[0] = posName.size(); 479d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk lengths[1] = texName.size(); 480d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 481d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *vertexDataElem = Element::create(mRSC, 2, elemArray, nameArray, lengths); 482d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 483d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *vertexDataType = new Type(mRSC); 484d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->setDimX(mMaxNumberOfQuads * 4); 485d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->setElement(vertexDataElem); 486d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->compute(); 487d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 488d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *vertexAlloc = new Allocation(mRSC, vertexDataType); 489d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextMeshPtr = (float*)vertexAlloc->getPtr(); 490d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 491d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mVertexArray.set(vertexAlloc); 492d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 493d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 494d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// We don't want to allocate anything unless we actually draw text 495d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::checkInit() 496d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 497d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mInitialized) { 498d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 499d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 500d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 501d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initTextTexture(); 502d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initRenderState(); 503d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 504d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initVertexArrayBuffers(); 505d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 506d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = true; 507d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 508d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 509d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::issueDrawCommand() { 510d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 511d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramVertex> tmpV(mRSC->getVertex()); 512d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex(mRSC->getDefaultProgramVertex()); 513d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 514d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramFragment> tmpF(mRSC->getFragment()); 515d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment(mFontShaderF.get()); 516d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 517d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramStore> tmpPS(mRSC->getFragmentStore()); 518d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore(mFontProgramStore.get()); 519d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 520d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if (!mRSC->setupCheck()) { 521d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 522d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 523d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 524d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 525d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 526d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 527d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *vtx = (float*)mVertexArray->getPtr(); 528d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *tex = vtx + 3; 529d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 530d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk VertexArray va; 531d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.add(GL_FLOAT, 3, 20, false, (uint32_t)vtx, "position"); 532d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.add(GL_FLOAT, 2, 20, false, (uint32_t)tex, "texture0"); 533d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.setupGL2(mRSC, &mRSC->mStateVertexArray, &mRSC->mShaderCache); 534d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 535d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer->uploadCheck(mRSC); 536d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer->getBufferObjectID()); 537d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, (uint16_t *)(0)); 538d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 539d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Reset the state 540d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 541d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 542d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 543d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 544d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 545d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::appendMeshQuad(float x1, float y1, float z1, 546d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u1, float v1, 547d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x2, float y2, float z2, 548d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u2, float v2, 549d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x3, float y3, float z3, 550d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u3, float v3, 551d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x4, float y4, float z4, 552d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u4, float v4) 553d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 554d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t vertsPerQuad = 4; 555d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t floatsPerVert = 5; 556d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *currentPos = mTextMeshPtr + mCurrentQuadIndex * vertsPerQuad * floatsPerVert; 557d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 558d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Cull things that are off the screen 559d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float width = (float)mRSC->getWidth(); 560d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float height = (float)mRSC->getHeight(); 561d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 562d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(x1 > width || y1 < 0.0f || x2 < 0 || y4 > height) { 563d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 564d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 565d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 566d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk /*LOGE("V0 x: %f y: %f z: %f", x1, y1, z1); 567d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V1 x: %f y: %f z: %f", x2, y2, z2); 568d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V2 x: %f y: %f z: %f", x3, y3, z3); 569d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V3 x: %f y: %f z: %f", x4, y4, z4);*/ 570d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 571d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x1; 572d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y1; 573d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z1; 574d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u1; 575d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v1; 576d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 577d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x2; 578d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y2; 579d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z2; 580d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u2; 581d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v2; 582d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 583d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x3; 584d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y3; 585d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z3; 586d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u3; 587d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v3; 588d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 589d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x4; 590d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y4; 591d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z4; 592d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u4; 593d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v4; 594d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 595d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex ++; 596d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 597d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex == mMaxNumberOfQuads) { 598d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 599d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 600d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 601d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 602d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 603d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(const char *text, uint32_t len, uint32_t startIndex, int numGlyphs, int x, int y) 604d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 605d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk checkInit(); 606d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 607a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk //String8 text8(text); 608d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 609d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render code here 610d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *currentFont = mRSC->getFont(); 611a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(!currentFont) { 612a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(!mDefault.get()) { 613a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mDefault.set(Font::create(mRSC, "DroidSans.ttf", 16, 96)); 614a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 615a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk currentFont = mDefault.get(); 616a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 6173659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk if(!currentFont) { 6183659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk LOGE("Unable to initialize any fonts"); 6193659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk return; 6203659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk } 6213659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 622d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk currentFont->renderUTF(text, len, startIndex, numGlyphs, x, y); 623d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 624d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 625d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 626d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 627d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 628d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 629d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 630d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(const char *text, int x, int y) 631d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 632d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t textLen = strlen(text); 633d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, textLen, 0, -1, x, y); 634d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 635d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 636d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(Allocation *alloc, int x, int y) 637d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 638d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!alloc) { 639d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 640d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 641d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 642d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *text = (const char *)alloc->getPtr(); 643d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t allocSize = alloc->getType()->getSizeBytes(); 644d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, allocSize, 0, -1, x, y); 645d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 646d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 647d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(Allocation *alloc, uint32_t start, int len, int x, int y) 648d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 649d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!alloc) { 650d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 651d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 652d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 653d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *text = (const char *)alloc->getPtr(); 654d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t allocSize = alloc->getType()->getSizeBytes(); 655d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, allocSize, start, len, x, y); 656d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 657d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 658d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::deinit(Context *rsc) 659d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 660a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mInitialized = false; 661a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 662a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mIndexBuffer.clear(); 663a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mVertexArray.clear(); 664a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 665a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontShaderF.clear(); 666a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontSampler.clear(); 667a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontProgramStore.clear(); 668a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 669a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mTextTexture.clear(); 670a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 671a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk delete mCacheLines[i]; 672d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 673a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mCacheLines.clear(); 674d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 675d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mDefault.clear(); 676a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 6773659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk Vector<Font*> fontsToDereference = mActiveFonts; 6783659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk for(uint32_t i = 0; i < fontsToDereference.size(); i ++) { 6793659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk fontsToDereference[i]->zeroUserRef(); 6803659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk } 6813659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 682a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(mLibrary) { 683a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Done_FreeType( mLibrary ); 6843659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 685a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 686d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 687d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 688d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace android { 689d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace renderscript { 690d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 691d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukRsFont rsi_FontCreateFromFile(Context *rsc, char const *name, uint32_t fontSize, uint32_t dpi) 692d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 693a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk Font *newFont = Font::create(rsc, name, fontSize, dpi); 694a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(newFont) { 695a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk newFont->incUserRef(); 696a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 697a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return newFont; 698d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 699d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 700d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // renderscript 701d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // android 702