rsFont.cpp revision e7ae69f4a70f1813cf8086ebd9714192c635300a
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 13301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo *cachedGlyph = getCachedUTFChar(utfChar); 134d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 135d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 136d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(cachedGlyph->mIsValid) { 137d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY); 138d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 139d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 140d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk penX += (cachedGlyph->mAdvance.x >> 6); 141d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 142d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If we were given a specific number of glyphs, decrement 143d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(numGlyphs > 0) { 144d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyphsLeft --; 145d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 146d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 147d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 148d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 14901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex SakhartchoukFont::CachedGlyphInfo* Font::getCachedUTFChar(int32_t utfChar) { 15001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 15101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo *cachedGlyph = mCachedGlyphs.valueFor((uint32_t)utfChar); 15201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk if(cachedGlyph == NULL) { 15301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk cachedGlyph = cacheGlyph((uint32_t)utfChar); 15401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 15501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk // Is the glyph still in texture cache? 15601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk if(!cachedGlyph->mIsValid) { 15701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk updateGlyphCache(cachedGlyph); 15801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 15901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 16001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk return cachedGlyph; 16101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 16201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 163d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid Font::updateGlyphCache(CachedGlyphInfo *glyph) 164d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 165a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Load_Glyph( mFace, glyph->mGlyphIndex, FT_LOAD_RENDER ); 166a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(error) { 167a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk LOGE("Couldn't load glyph."); 168a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return; 169a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 170d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 171a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mAdvance = mFace->glyph->advance; 172a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapLeft = mFace->glyph->bitmap_left; 173a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapTop = mFace->glyph->bitmap_top; 174d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 175a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Bitmap *bitmap = &mFace->glyph->bitmap; 176d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 177d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 178d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 181d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Let the font state figure out where to put the bitmap 182d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 183a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mIsValid = state->cacheBitmap(bitmap, &startX, &startY); 184d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 185d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!glyph->mIsValid) { 186d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 187d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 188d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 189a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endX = startX + bitmap->width; 190a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endY = startY + bitmap->rows; 191d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 192d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinX = startX; 193d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinY = startY; 194a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapWidth = bitmap->width; 195a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapHeight = bitmap->rows; 196d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 197d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 198d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheHeight = state->getCacheTextureType()->getDimY(); 199d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 200d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinU = (float)startX / (float)cacheWidth; 201d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinV = (float)startY / (float)cacheHeight; 202d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxU = (float)endX / (float)cacheWidth; 203d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxV = (float)endY / (float)cacheHeight; 204d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 205d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 206d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont::CachedGlyphInfo *Font::cacheGlyph(uint32_t glyph) 207d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 208d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *newGlyph = new CachedGlyphInfo(); 209d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCachedGlyphs.add(glyph, newGlyph); 210d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 211d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mGlyphIndex = FT_Get_Char_Index(mFace, glyph); 212d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mIsValid = false; 213d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 214d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk updateGlyphCache(newGlyph); 215d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 216d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newGlyph; 217d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 218d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 219d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont * Font::create(Context *rsc, const char *name, uint32_t fontSize, uint32_t dpi) 220d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 22135b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk rsc->mStateFont.checkInit(); 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> &activeFonts = rsc->mStateFont.mActiveFonts; 223d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 224d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < activeFonts.size(); i ++) { 225d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *ithFont = activeFonts[i]; 226d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(ithFont->mFontName == name && ithFont->mFontSize == fontSize && ithFont->mDpi == dpi) { 227d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return ithFont; 228d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 229d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 230d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 231d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *newFont = new Font(rsc); 232d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool isInitialized = newFont->init(name, fontSize, dpi); 233d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(isInitialized) { 234d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk activeFonts.push(newFont); 23501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk rsc->mStateFont.precacheLatin(newFont); 236d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newFont; 237d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 238d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 239d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete newFont; 240d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return NULL; 241d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 242d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 243d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 244d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFont::~Font() 245d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 246d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mFace) { 247d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Done_Face(mFace); 248d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 249d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for (uint32_t ct = 0; ct < mRSC->mStateFont.mActiveFonts.size(); ct++) { 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if (mRSC->mStateFont.mActiveFonts[ct] == this) { 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->mStateFont.mActiveFonts.removeAt(ct); 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 255d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 256d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 257d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 258d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *glyph = mCachedGlyphs.valueAt(i); 259d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete glyph; 260d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 261d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 262d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 263d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFontState::FontState() 264d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 265d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = false; 266d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mMaxNumberOfQuads = 1024; 267d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 268d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC = NULL; 2693659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 270ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk setFontColor(0.1f, 0.1f, 0.1f, 1.0f); 271d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 272d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 273d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukFontState::~FontState() 274d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 275d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 276d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete mCacheLines[i]; 277d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 278d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 279d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk rsAssert(!mActiveFonts.size()); 280d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 281d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 282a1ccecd965c07c2739f1258989526051a010bdabAlex SakhartchoukFT_Library FontState::getLib() 283d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 284d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!mLibrary) { 285a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Init_FreeType(&mLibrary); 286d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(error) { 287d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Unable to initialize freetype"); 288a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return NULL; 289d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 290d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 2913659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 292a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return mLibrary; 293a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk} 294d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 295a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchoukvoid FontState::init(Context *rsc) 296a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk{ 297a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mRSC = rsc; 298d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 299d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 300d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::flushAllAndInvalidate() 301d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 302d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 303d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 304d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 305d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 306d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mActiveFonts.size(); i ++) { 307d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mActiveFonts[i]->invalidateTextureCache(); 308d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 309d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 310d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mCurrentCol = 0; 311d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 312d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 313d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 314d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukbool FontState::cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) 315d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 316d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the glyph is too tall, don't cache it 317d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if((uint32_t)bitmap->rows > mCacheLines[mCacheLines.size()-1]->mMaxHeight) { 318d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Font size to large to fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 319d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 320d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 321d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 322d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 323d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 324d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 325d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 326d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool bitmapFit = false; 327d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 328d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 329d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(bitmapFit) { 330d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 331d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 332d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 333d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 334d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the new glyph didn't fit, flush the state so far and invalidate everything 335d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!bitmapFit) { 336d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk flushAllAndInvalidate(); 337d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 338d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Try to fit it again 339d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 340d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 341d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(bitmapFit) { 342d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 343d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 344d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 345d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 346d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // if we still don't fit, something is wrong and we shouldn't draw 347d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!bitmapFit) { 348d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Bitmap doesn't fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 349d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 350d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 351d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 352d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 353d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginX = startX; 354d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginY = startY; 355d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 356d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endX = startX + bitmap->width; 357d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endY = startY + bitmap->rows; 358d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 359d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = getCacheTextureType()->getDimX(); 360d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 361d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char *cacheBuffer = (unsigned char*)mTextTexture->getPtr(); 362d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char *bitmapBuffer = bitmap->buffer; 363d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 364d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheX = 0, bX = 0, cacheY = 0, bY = 0; 365d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(cacheX = startX, bX = 0; cacheX < endX; cacheX ++, bX ++) { 366d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(cacheY = startY, bY = 0; cacheY < endY; cacheY ++, bY ++) { 367d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk unsigned char tempCol = bitmapBuffer[bY * bitmap->width + bX]; 368d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk cacheBuffer[cacheY*cacheWidth + cacheX] = tempCol; 369d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 370d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 371d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 372d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // This will dirty the texture and the shader so next time 373d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // we draw it will upload the data 374d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 375d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF->bindTexture(0, mTextTexture.get()); 376d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 377d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Some debug code 378d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk /*for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 379d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Cache Line: H: %u Empty Space: %f", 380d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mMaxHeight, 381d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (1.0f - (float)mCacheLines[i]->mCurrentCol/(float)mCacheLines[i]->mMaxWidth)*100.0f); 382d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 383d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }*/ 384d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 385d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 386d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 387d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 388d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initRenderState() 389d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 390e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk String8 shaderString("varying vec4 varTex0;\n"); 391e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append("void main() {\n"); 392e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" lowp vec4 col = UNI_Color;\n"); 393e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" col.a = texture2D(UNI_Tex0, varTex0.xy).a;\n"); 394e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" gl_FragColor = col;\n"); 395e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append("}\n"); 396e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 397e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk const Element *colorElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 398e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mRSC->mStateElement.elementBuilderBegin(); 399e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(colorElem, "Color", 1); 400e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk const Element *constInput = mRSC->mStateElement.elementBuilderCreate(mRSC); 401e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 402e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk Type *inputType = new Type(mRSC); 403e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk inputType->setElement(constInput); 404e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk inputType->setDimX(1); 405e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk inputType->compute(); 406e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 407e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk uint32_t tmp[4]; 408e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 409e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[1] = (uint32_t)inputType; 410e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[2] = RS_PROGRAM_PARAM_TEXTURE_COUNT; 411e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[3] = 1; 412e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 413e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mFontShaderFConstant.set(new Allocation(mRSC, inputType)); 414e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk ProgramFragment *pf = new ProgramFragment(mRSC, shaderString.string(), 415e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.length(), tmp, 4); 416d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF.set(pf); 417e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mFontShaderF->bindAllocation(mFontShaderFConstant.get(), 0); 418d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 419d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Sampler *sampler = new Sampler(mRSC, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST, 420d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP); 421d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontSampler.set(sampler); 422d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF->bindSampler(0, sampler); 423d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 424d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ProgramStore *fontStore = new ProgramStore(mRSC); 425d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore.set(fontStore); 426d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDepthFunc(RS_DEPTH_FUNC_ALWAYS); 427d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setBlendFunc(RS_BLEND_SRC_SRC_ALPHA, RS_BLEND_DST_ONE_MINUS_SRC_ALPHA); 428d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDitherEnable(false); 429d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore->setDepthMask(false); 430d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 431d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 432d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initTextTexture() 433d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 434d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *alphaElem = Element::create(mRSC, RS_TYPE_UNSIGNED_8, RS_KIND_PIXEL_A, true, 1); 435d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 436d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // We will allocate a texture to initially hold 32 character bitmaps 437d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *texType = new Type(mRSC); 438d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setElement(alphaElem); 439d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setDimX(1024); 440d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->setDimY(256); 441d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk texType->compute(); 442d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 443d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *cacheAlloc = new Allocation(mRSC, texType); 444d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture.set(cacheAlloc); 445d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 446d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 447d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Split up our cache texture into lines of certain widths 448d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int nextLine = 0; 449d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(16, texType->getDimX(), nextLine, 0)); 450d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 451d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 452d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 45301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 45401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 455d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 456d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 457d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 458d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 459d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(40, texType->getDimX(), nextLine, 0)); 460d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 461d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(texType->getDimY() - nextLine, texType->getDimX(), nextLine, 0)); 462d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 463d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 464d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// Avoid having to reallocate memory and render quad by quad 465d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::initVertexArrayBuffers() 466d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 467d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now lets write index data 468d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *indexElem = Element::create(mRSC, RS_TYPE_UNSIGNED_16, RS_KIND_USER, false, 1); 469d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *indexType = new Type(mRSC); 470d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t numIndicies = mMaxNumberOfQuads * 6; 471d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->setDimX(numIndicies); 472d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->setElement(indexElem); 473d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexType->compute(); 474d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 475d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *indexAlloc = new Allocation(mRSC, indexType); 476d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint16_t *indexPtr = (uint16_t*)indexAlloc->getPtr(); 477d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 478d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Four verts, two triangles , six indices per quad 479d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk for(uint32_t i = 0; i < mMaxNumberOfQuads; i ++) { 480d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int i6 = i * 6; 481d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk int i4 = i * 4; 482d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 483d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 0] = i4 + 0; 484d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 1] = i4 + 1; 485d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 2] = i4 + 2; 486d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 487d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 3] = i4 + 0; 488d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 4] = i4 + 2; 489d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 5] = i4 + 3; 490d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 491d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 492d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexAlloc->deferedUploadToBufferObject(mRSC); 493d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer.set(indexAlloc); 494d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 495d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *posElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 3); 496d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *texElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 2); 497d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 498d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *elemArray[2]; 499d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk elemArray[0] = posElem; 500d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk elemArray[1] = texElem; 501d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 502d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 posName("position"); 503d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 texName("texture0"); 504d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 505d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *nameArray[2]; 506d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nameArray[0] = posName.string(); 507d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nameArray[1] = texName.string(); 508d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t lengths[2]; 509d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk lengths[0] = posName.size(); 510d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk lengths[1] = texName.size(); 51146e45548dc80e801139c9ccc2f2aa927e7f35027Jason Sams uint32_t arraySizes[2] = {1, 1}; 512d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 51346e45548dc80e801139c9ccc2f2aa927e7f35027Jason Sams const Element *vertexDataElem = Element::create(mRSC, 2, elemArray, nameArray, lengths, arraySizes); 514d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 515d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Type *vertexDataType = new Type(mRSC); 516d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->setDimX(mMaxNumberOfQuads * 4); 517d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->setElement(vertexDataElem); 518d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk vertexDataType->compute(); 519d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 520d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Allocation *vertexAlloc = new Allocation(mRSC, vertexDataType); 521d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextMeshPtr = (float*)vertexAlloc->getPtr(); 522d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 523d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mVertexArray.set(vertexAlloc); 524d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 525d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 526d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// We don't want to allocate anything unless we actually draw text 527d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::checkInit() 528d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 529d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mInitialized) { 530d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 531d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 532d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 533d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initTextTexture(); 534d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initRenderState(); 535d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 536d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initVertexArrayBuffers(); 537d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 53835b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk // We store a string with letters in a rough frequency of occurrence 53935b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache = String8(" eisarntolcdugpmhbyfvkwzxjq"); 54035b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8("EISARNTOLCDUGPMHBYFVKWZXJQ"); 54135b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8(",.?!()-+@;:`'"); 54235b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8("0123456789"); 54335b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk 544d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = true; 545d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 546d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 547d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::issueDrawCommand() { 548d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 549d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramVertex> tmpV(mRSC->getVertex()); 550d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex(mRSC->getDefaultProgramVertex()); 551d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 552d18c744a37441311c9b65254a35db456835adad3Alex Sakhartchouk ObjectBaseRef<const ProgramRaster> tmpR(mRSC->getRaster()); 553d18c744a37441311c9b65254a35db456835adad3Alex Sakhartchouk mRSC->setRaster(mRSC->getDefaultProgramRaster()); 554d18c744a37441311c9b65254a35db456835adad3Alex Sakhartchouk 555d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramFragment> tmpF(mRSC->getFragment()); 556d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment(mFontShaderF.get()); 557d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 558d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<const ProgramStore> tmpPS(mRSC->getFragmentStore()); 559d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore(mFontProgramStore.get()); 560d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 561ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk if(mFontColorDirty) { 562e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mFontShaderFConstant->data(mRSC, &mFontColor, 4*sizeof(float)); 563ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk mFontColorDirty = false; 564ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk } 565ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk 566d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if (!mRSC->setupCheck()) { 567d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 568d18c744a37441311c9b65254a35db456835adad3Alex Sakhartchouk mRSC->setRaster((ProgramRaster *)tmpR.get()); 569d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 570d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 571d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 572d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 573d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 574d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *vtx = (float*)mVertexArray->getPtr(); 575d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *tex = vtx + 3; 576d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 577d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk VertexArray va; 578d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.add(GL_FLOAT, 3, 20, false, (uint32_t)vtx, "position"); 579d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.add(GL_FLOAT, 2, 20, false, (uint32_t)tex, "texture0"); 580d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.setupGL2(mRSC, &mRSC->mStateVertexArray, &mRSC->mShaderCache); 581d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 582d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer->uploadCheck(mRSC); 583d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer->getBufferObjectID()); 584d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, (uint16_t *)(0)); 585d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 586d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Reset the state 587d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 588d18c744a37441311c9b65254a35db456835adad3Alex Sakhartchouk mRSC->setRaster((ProgramRaster *)tmpR.get()); 589d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 590d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 591d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 592d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 593d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::appendMeshQuad(float x1, float y1, float z1, 594d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u1, float v1, 595d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x2, float y2, float z2, 596d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u2, float v2, 597d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x3, float y3, float z3, 598d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u3, float v3, 599d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x4, float y4, float z4, 600d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u4, float v4) 601d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 602d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t vertsPerQuad = 4; 603d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t floatsPerVert = 5; 604d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *currentPos = mTextMeshPtr + mCurrentQuadIndex * vertsPerQuad * floatsPerVert; 605d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 606d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Cull things that are off the screen 607d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float width = (float)mRSC->getWidth(); 608d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float height = (float)mRSC->getHeight(); 609d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 610d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(x1 > width || y1 < 0.0f || x2 < 0 || y4 > height) { 611d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 612d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 613d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 614d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk /*LOGE("V0 x: %f y: %f z: %f", x1, y1, z1); 615d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V1 x: %f y: %f z: %f", x2, y2, z2); 616d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V2 x: %f y: %f z: %f", x3, y3, z3); 617d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V3 x: %f y: %f z: %f", x4, y4, z4);*/ 618d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 619d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x1; 620d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y1; 621d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z1; 622d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u1; 623d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v1; 624d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 625d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x2; 626d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y2; 627d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z2; 628d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u2; 629d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v2; 630d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 631d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x3; 632d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y3; 633d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z3; 634d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u3; 635d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v3; 636d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 637d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x4; 638d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y4; 639d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z4; 640d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u4; 641d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v4; 642d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 643d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex ++; 644d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 645d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex == mMaxNumberOfQuads) { 646d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 647d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 648d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 649d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 650d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 65101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchoukuint32_t FontState::getRemainingCacheCapacity() { 65201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t remainingCapacity = 0; 65335b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk uint32_t totalPixels = 0; 65401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 65501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity += (mCacheLines[i]->mMaxWidth - mCacheLines[i]->mCurrentCol); 65601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk totalPixels += mCacheLines[i]->mMaxWidth; 65701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 65801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity = (remainingCapacity * 100) / totalPixels; 65901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk return remainingCapacity; 66001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 66101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 66201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchoukvoid FontState::precacheLatin(Font *font) { 66301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk // Remaining capacity is measured in % 66401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t remainingCapacity = getRemainingCacheCapacity(); 66501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t precacheIdx = 0; 66601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk while(remainingCapacity > 25 && precacheIdx < mLatinPrecache.size()) { 66701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk font->getCachedUTFChar((int32_t)mLatinPrecache[precacheIdx]); 66801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity = getRemainingCacheCapacity(); 66901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk precacheIdx ++; 67001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 67101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 67201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 67301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 674d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(const char *text, uint32_t len, uint32_t startIndex, int numGlyphs, int x, int y) 675d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 676d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk checkInit(); 677d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 678d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render code here 679d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *currentFont = mRSC->getFont(); 680a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(!currentFont) { 681a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(!mDefault.get()) { 682a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mDefault.set(Font::create(mRSC, "DroidSans.ttf", 16, 96)); 683a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 684a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk currentFont = mDefault.get(); 685a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 6863659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk if(!currentFont) { 6873659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk LOGE("Unable to initialize any fonts"); 6883659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk return; 6893659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk } 6903659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 691d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk currentFont->renderUTF(text, len, startIndex, numGlyphs, x, y); 692d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 693d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 694d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 695d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 696d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 697d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 698d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 699d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(const char *text, int x, int y) 700d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 701d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t textLen = strlen(text); 702d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, textLen, 0, -1, x, y); 703d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 704d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 705d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(Allocation *alloc, int x, int y) 706d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 707d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!alloc) { 708d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 709d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 710d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 711d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *text = (const char *)alloc->getPtr(); 712d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t allocSize = alloc->getType()->getSizeBytes(); 713d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, allocSize, 0, -1, x, y); 714d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 715d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 716d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::renderText(Allocation *alloc, uint32_t start, int len, int x, int y) 717d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 718d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(!alloc) { 719d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 720d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 721d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 722d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const char *text = (const char *)alloc->getPtr(); 723d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t allocSize = alloc->getType()->getSizeBytes(); 724d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk renderText(text, allocSize, start, len, x, y); 725d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 726d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 7279fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchoukvoid FontState::setFontColor(float r, float g, float b, float a) { 7289fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk mFontColor[0] = r; 7299fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk mFontColor[1] = g; 7309fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk mFontColor[2] = b; 7319fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk mFontColor[3] = a; 7329fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk mFontColorDirty = true; 7339fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk} 7349fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 735ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchoukvoid FontState::getFontColor(float *r, float *g, float *b, float *a) const { 736ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk *r = mFontColor[0]; 737ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk *g = mFontColor[1]; 738ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk *b = mFontColor[2]; 739ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk *a = mFontColor[3]; 740ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk} 741ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk 742d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::deinit(Context *rsc) 743d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 744a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mInitialized = false; 745a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 746a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mIndexBuffer.clear(); 747a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mVertexArray.clear(); 748a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 749a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontShaderF.clear(); 750a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontSampler.clear(); 751a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontProgramStore.clear(); 752a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 753a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mTextTexture.clear(); 754a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 755a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk delete mCacheLines[i]; 756d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 757a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mCacheLines.clear(); 758d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 759d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mDefault.clear(); 760a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 7613659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk Vector<Font*> fontsToDereference = mActiveFonts; 7623659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk for(uint32_t i = 0; i < fontsToDereference.size(); i ++) { 7633659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk fontsToDereference[i]->zeroUserRef(); 7643659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk } 7653659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 766a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(mLibrary) { 767a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Done_FreeType( mLibrary ); 7683659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 769a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 770d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 771d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 772d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace android { 773d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace renderscript { 774d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 775d3e0ad43dc758c409fc23d1893dab67b18520c24Alex SakhartchoukRsFont rsi_FontCreateFromFile(Context *rsc, char const *name, uint32_t fontSize, uint32_t dpi) 776d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 777a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk Font *newFont = Font::create(rsc, name, fontSize, dpi); 778a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk if(newFont) { 779a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk newFont->incUserRef(); 780a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 781a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return newFont; 782d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 783d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 784d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // renderscript 785d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // android 786