Patch.cpp revision 6f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cd
1fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy/* 2fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * Copyright (C) 2010 The Android Open Source Project 3fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * 4fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * you may not use this file except in compliance with the License. 6fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * You may obtain a copy of the License at 7fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * 8fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 9fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * 10fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * Unless required by applicable law or agreed to in writing, software 11fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * See the License for the specific language governing permissions and 14fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy * limitations under the License. 15fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy */ 16fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 17fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy#define LOG_TAG "OpenGLRenderer" 18fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 196820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy#include <cmath> 20fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 214bb942083a0d4db746adf95349108dd8ef842e32Romain Guy#include <utils/Log.h> 224bb942083a0d4db746adf95349108dd8ef842e32Romain Guy 23fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy#include "Patch.h" 2403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy#include "Caches.h" 25fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 26fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guynamespace android { 27fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guynamespace uirenderer { 28fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 29fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy/////////////////////////////////////////////////////////////////////////////// 30fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy// Constructors/destructor 31fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy/////////////////////////////////////////////////////////////////////////////// 32fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 336f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain GuyPatch::Patch(const uint32_t xCount, const uint32_t yCount, const int8_t emptyQuads): 346f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mXCount(xCount), mYCount(yCount) { 35fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy // 2 triangles per patch, 3 vertices per triangle 364bb942083a0d4db746adf95349108dd8ef842e32Romain Guy verticesCount = ((xCount + 1) * (yCount + 1) - emptyQuads) * 2 * 3; 3703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mVertices = new TextureVertex[verticesCount]; 385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy hasEmptyQuads = emptyQuads > 0; 396f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mUploaded = false; 406f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 416f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mColorKey = 0; 426f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mXDivs = new int32_t[mXCount]; 436f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mYDivs = new int32_t[mYCount]; 4403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 4503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glGenBuffers(1, &meshBuffer); 46fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy} 47fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 48fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain GuyPatch::~Patch() { 4903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy delete[] mVertices; 506f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy delete[] mXDivs; 516f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy delete[] mYDivs; 5203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glDeleteBuffers(1, &meshBuffer); 53fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy} 54fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 55fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy/////////////////////////////////////////////////////////////////////////////// 566f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy// Patch management 576f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy/////////////////////////////////////////////////////////////////////////////// 586f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 596f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guyvoid Patch::copy(const int32_t* xDivs, const int32_t* yDivs) { 606f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy memcpy(mXDivs, xDivs, mXCount * sizeof(int32_t)); 616f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy memcpy(mYDivs, yDivs, mYCount * sizeof(int32_t)); 626f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy} 636f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 646f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guyvoid Patch::copy(const int32_t* yDivs) { 656f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy memcpy(mYDivs, yDivs, mYCount * sizeof(int32_t)); 666f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy} 676f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 686f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guyvoid Patch::updateColorKey(const uint32_t colorKey) { 696f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mColorKey = colorKey; 706f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy} 716f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 726f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guybool Patch::matches(const int32_t* xDivs, const int32_t* yDivs, const uint32_t colorKey) { 736f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy if (mColorKey != colorKey) { 746f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy updateColorKey(colorKey); 756f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy copy(xDivs, yDivs); 766f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy return false; 776f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 786f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 796f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 0; i < mXCount; i++) { 806f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy if (mXDivs[i] != xDivs[i]) { 816f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy // The Y divs may or may not match, copy everything 826f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy copy(xDivs, yDivs); 836f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy return false; 846f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 856f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 866f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 876f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 0; i < mYCount; i++) { 886f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy if (mYDivs[i] != yDivs[i]) { 896f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy // We know all the X divs match, copy only Y divs 906f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy copy(yDivs); 916f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy return false; 926f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 936f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 946f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 956f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy return true; 966f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy} 976f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 986f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy/////////////////////////////////////////////////////////////////////////////// 99fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy// Vertices management 100fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy/////////////////////////////////////////////////////////////////////////////// 101fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 102759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guyvoid Patch::updateVertices(const float bitmapWidth, const float bitmapHeight, 1036f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy float left, float top, float right, float bottom) { 1045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasEmptyQuads) quads.clear(); 1055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1066f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy const uint32_t xStretchCount = (mXCount + 1) >> 1; 1076f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy const uint32_t yStretchCount = (mYCount + 1) >> 1; 108fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1096820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float stretchX = 0.0f; 1106820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float stretchY = 0.0; 111fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 112fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy const float meshWidth = right - left; 113fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 114fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy if (xStretchCount > 0) { 115fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy uint32_t stretchSize = 0; 1166f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 1; i < mXCount; i += 2) { 1176f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy stretchSize += mXDivs[i] - mXDivs[i - 1]; 118fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 1196820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float xStretchTex = stretchSize; 120fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy const float fixed = bitmapWidth - stretchSize; 1216820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float xStretch = right - left - fixed; 1226820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy stretchX = xStretch / xStretchTex; 123fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 124fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 125fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy if (yStretchCount > 0) { 126fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy uint32_t stretchSize = 0; 1276f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 1; i < mYCount; i += 2) { 1286f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy stretchSize += mYDivs[i] - mYDivs[i - 1]; 129fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 1306820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float yStretchTex = stretchSize; 131fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy const float fixed = bitmapHeight - stretchSize; 1326820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float yStretch = bottom - top - fixed; 1336820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy stretchY = yStretch / yStretchTex; 134fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 135fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 13603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy TextureVertex* vertex = mVertices; 1374bb942083a0d4db746adf95349108dd8ef842e32Romain Guy uint32_t quadCount = 0; 138fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1396820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float previousStepY = 0.0f; 140fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1416820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float y1 = 0.0f; 1426820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float v1 = 0.0f; 1436820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1446f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 0; i < mYCount; i++) { 1456f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy float stepY = mYDivs[i]; 1466820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1476820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float y2 = 0.0f; 1486820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy if (i & 1) { 1496820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float segment = stepY - previousStepY; 1506820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy y2 = y1 + segment * stretchY; 151fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } else { 1526820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy y2 = y1 + stepY - previousStepY; 153fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 1546820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float v2 = fmax(0.0f, stepY - 0.5f) / bitmapHeight; 1556820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1566f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy generateRow(vertex, y1, y2, v1, v2, stretchX, right - left, bitmapWidth, quadCount); 1576820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1586820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy y1 = y2; 1596820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy v1 = (stepY + 0.5f) / bitmapHeight; 1606820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1616820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy previousStepY = stepY; 162fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 163fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1646f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy generateRow(vertex, y1, bottom - top, v1, 1.0f, stretchX, right - left, 1656f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy bitmapWidth, quadCount); 16603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 16703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy Caches::getInstance().bindMeshBuffer(meshBuffer); 1686f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy if (!mUploaded) { 1696f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy glBufferData(GL_ARRAY_BUFFER, sizeof(TextureVertex) * verticesCount, 1706f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mVertices, GL_DYNAMIC_DRAW); 1716f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy mUploaded = true; 1726f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } else { 1736f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy glBufferSubData(GL_ARRAY_BUFFER, 0, 1746f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy sizeof(TextureVertex) * verticesCount, mVertices); 1756f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 176fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy} 177fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid Patch::generateRow(TextureVertex*& vertex, float y1, float y2, float v1, float v2, 1796f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy float stretchX, float width, float bitmapWidth, uint32_t& quadCount) { 1806820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float previousStepX = 0.0f; 1816820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 1826820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float x1 = 0.0f; 1836820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float u1 = 0.0f; 184fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1856820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy // Generate the row quad by quad 1866f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy for (uint32_t i = 0; i < mXCount; i++) { 1876f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy float stepX = mXDivs[i]; 188fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1896820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float x2 = 0.0f; 1906820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy if (i & 1) { 1916820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy const float segment = stepX - previousStepX; 1926820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy x2 = x1 + segment * stretchX; 193fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } else { 1946820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy x2 = x1 + stepX - previousStepX; 195fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 1966820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy float u2 = fmax(0.0f, stepX - 0.5f) / bitmapWidth; 197fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 1986f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy generateQuad(vertex, x1, y1, x2, y2, u1, v1, u2, v2, quadCount); 1996820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 2006820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy x1 = x2; 2016820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy u1 = (stepX + 0.5f) / bitmapWidth; 2026820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 2036820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy previousStepX = stepX; 204fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy } 205fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 2066f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy generateQuad(vertex, x1, y1, width, y2, u1, v1, 1.0f, v2, quadCount); 207fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy} 208fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 2095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid Patch::generateQuad(TextureVertex*& vertex, float x1, float y1, float x2, float y2, 2106f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy float u1, float v1, float u2, float v2, uint32_t& quadCount) { 2116f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy if (((mColorKey >> quadCount++) & 0x1) == 1) { 2124bb942083a0d4db746adf95349108dd8ef842e32Romain Guy return; 2134bb942083a0d4db746adf95349108dd8ef842e32Romain Guy } 2144bb942083a0d4db746adf95349108dd8ef842e32Romain Guy 2155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasEmptyQuads) { 2165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(x1, y1, x2, y2); 2175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy quads.add(bounds); 2185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2206820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy // Left triangle 2216820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x1, y1, u1, v1); 2226820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x2, y1, u2, v1); 2236820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x1, y2, u1, v2); 2246820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy 2256820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy // Right triangle 2266820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x1, y2, u1, v2); 2276820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x2, y1, u2, v1); 2286820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy TextureVertex::set(vertex++, x2, y2, u2, v2); 229fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy} 230fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy 231fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy}; // namespace uirenderer 232fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy}; // namespace android 233