Matrix.cpp revision e5ebcb0107a939395e03592fd44c746cd09e311d
108ae317c21ec3086b5017672bba87420cc38a407Romain Guy/* 208ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Copyright (C) 2010 The Android Open Source Project 308ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 408ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 508ae317c21ec3086b5017672bba87420cc38a407Romain Guy * you may not use this file except in compliance with the License. 608ae317c21ec3086b5017672bba87420cc38a407Romain Guy * You may obtain a copy of the License at 708ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 808ae317c21ec3086b5017672bba87420cc38a407Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 908ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 1008ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Unless required by applicable law or agreed to in writing, software 1108ae317c21ec3086b5017672bba87420cc38a407Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 1208ae317c21ec3086b5017672bba87420cc38a407Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1308ae317c21ec3086b5017672bba87420cc38a407Romain Guy * See the License for the specific language governing permissions and 1408ae317c21ec3086b5017672bba87420cc38a407Romain Guy * limitations under the License. 1508ae317c21ec3086b5017672bba87420cc38a407Romain Guy */ 1608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 175cbbce535744b89df5ecea95de21ee3733298260Romain Guy#define LOG_TAG "OpenGLRenderer" 1808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1908ae317c21ec3086b5017672bba87420cc38a407Romain Guy#include <math.h> 2008ae317c21ec3086b5017672bba87420cc38a407Romain Guy#include <stdlib.h> 213e168335b3422008908ac6973bb36078fd979f35Romain Guy#include <string.h> 2208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 2308ae317c21ec3086b5017672bba87420cc38a407Romain Guy#include <utils/Log.h> 2408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 25f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 26f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 274bb942083a0d4db746adf95349108dd8ef842e32Romain Guy#include "utils/Compare.h" 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "Matrix.h" 2908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 3008ae317c21ec3086b5017672bba87420cc38a407Romain Guynamespace android { 319d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 3208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 3308ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadIdentity() { 34af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = 1.0f; 35af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewY] = 0.0f; 36af28b514964861d81b48902f942f706050936d38Romain Guy data[2] = 0.0f; 37af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective0] = 0.0f; 38af28b514964861d81b48902f942f706050936d38Romain Guy 39af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewX] = 0.0f; 40af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = 1.0f; 41af28b514964861d81b48902f942f706050936d38Romain Guy data[6] = 0.0f; 42af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective1] = 0.0f; 43af28b514964861d81b48902f942f706050936d38Romain Guy 44af28b514964861d81b48902f942f706050936d38Romain Guy data[8] = 0.0f; 45af28b514964861d81b48902f942f706050936d38Romain Guy data[9] = 0.0f; 46af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleZ] = 1.0f; 47af28b514964861d81b48902f942f706050936d38Romain Guy data[11] = 0.0f; 48af28b514964861d81b48902f942f706050936d38Romain Guy 49af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = 0.0f; 50af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = 0.0f; 51af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateZ] = 0.0f; 52af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective2] = 1.0f; 53af28b514964861d81b48902f942f706050936d38Romain Guy 54af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = true; 5508ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 5608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 57e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guybool Matrix4::changesBounds() { 58e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy return !(almost(data[0], 1.0f) && almost(data[1], 0.0f) && almost(data[2], 0.0f) && 59e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy almost(data[4], 0.0f) && almost(data[5], 1.0f) && almost(data[6], 0.0f) && 60e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy almost(data[8], 0.0f) && almost(data[9], 0.0f) && almost(data[10], 1.0f)); 61e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy} 62e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 6308ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::load(const float* v) { 647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy memcpy(data, v, sizeof(data)); 65af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = false; 6608ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 6708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 6808ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::load(const Matrix4& v) { 697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy memcpy(data, v.data, sizeof(data)); 70af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = v.mSimpleMatrix; 7108ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 7208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 73f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid Matrix4::load(const SkMatrix& v) { 747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy memset(data, 0, sizeof(data)); 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 76af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = v[SkMatrix::kMScaleX]; 77af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewX] = v[SkMatrix::kMSkewX]; 78af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = v[SkMatrix::kMTransX]; 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 80af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewY] = v[SkMatrix::kMSkewY]; 81af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = v[SkMatrix::kMScaleY]; 82af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = v[SkMatrix::kMTransY]; 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 84af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective0] = v[SkMatrix::kMPersp0]; 85af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective1] = v[SkMatrix::kMPersp1]; 86af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective2] = v[SkMatrix::kMPersp2]; 87f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 88af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleZ] = 1.0f; 89af28b514964861d81b48902f942f706050936d38Romain Guy 90e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSimpleMatrix = (v.getType() <= (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask)); 91f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 92f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 93f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid Matrix4::copyTo(SkMatrix& v) const { 947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy v.reset(); 95f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 96af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMScaleX, data[kScaleX]); 97af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMSkewX, data[kSkewX]); 98af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMTransX, data[kTranslateX]); 99f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 100af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMSkewY, data[kSkewY]); 101af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMScaleY, data[kScaleY]); 102af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMTransY, data[kTranslateY]); 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 104af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMPersp0, data[kPerspective0]); 105af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMPersp1, data[kPerspective1]); 106af28b514964861d81b48902f942f706050936d38Romain Guy v.set(SkMatrix::kMPersp2, data[kPerspective2]); 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 109079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guyvoid Matrix4::loadInverse(const Matrix4& v) { 110079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy double scale = 1.0 / 111af28b514964861d81b48902f942f706050936d38Romain Guy (v.data[kScaleX] * ((double) v.data[kScaleY] * v.data[kPerspective2] - 112af28b514964861d81b48902f942f706050936d38Romain Guy (double) v.data[kTranslateY] * v.data[kPerspective1]) + 113af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kSkewX] * ((double) v.data[kTranslateY] * v.data[kPerspective0] - 114af28b514964861d81b48902f942f706050936d38Romain Guy (double) v.data[kSkewY] * v.data[kPerspective2]) + 115af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kTranslateX] * ((double) v.data[kSkewY] * v.data[kPerspective1] - 116af28b514964861d81b48902f942f706050936d38Romain Guy (double) v.data[kScaleY] * v.data[kPerspective0])); 117af28b514964861d81b48902f942f706050936d38Romain Guy 118af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = (v.data[kScaleY] * v.data[kPerspective2] - 119af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kTranslateY] * v.data[kPerspective1]) * scale; 120af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewX] = (v.data[kTranslateX] * v.data[kPerspective1] - 121af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kSkewX] * v.data[kPerspective2]) * scale; 122af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = (v.data[kSkewX] * v.data[kTranslateY] - 123af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kTranslateX] * v.data[kScaleY]) * scale; 124af28b514964861d81b48902f942f706050936d38Romain Guy 125af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewY] = (v.data[kTranslateY] * v.data[kPerspective0] - 126af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kSkewY] * v.data[kPerspective2]) * scale; 127af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = (v.data[kScaleX] * v.data[kPerspective2] - 128af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kTranslateX] * v.data[kPerspective0]) * scale; 129af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = (v.data[kTranslateX] * v.data[kSkewY] - 130af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kScaleX] * v.data[kTranslateY]) * scale; 131af28b514964861d81b48902f942f706050936d38Romain Guy 132af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective0] = (v.data[kSkewY] * v.data[kPerspective1] - 133af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kScaleY] * v.data[kPerspective0]) * scale; 134af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective1] = (v.data[kSkewX] * v.data[kPerspective0] - 135af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kScaleX] * v.data[kPerspective1]) * scale; 136af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective2] = (v.data[kScaleX] * v.data[kScaleY] - 137af28b514964861d81b48902f942f706050936d38Romain Guy v.data[kSkewX] * v.data[kSkewY]) * scale; 138af28b514964861d81b48902f942f706050936d38Romain Guy 139af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = v.mSimpleMatrix; 140079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy} 141079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 14208ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::copyTo(float* v) const { 1437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy memcpy(v, data, sizeof(data)); 14408ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 14508ae317c21ec3086b5017672bba87420cc38a407Romain Guy 146bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyfloat Matrix4::getTranslateX() { 147af28b514964861d81b48902f942f706050936d38Romain Guy return data[kTranslateX]; 148bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 149bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 150bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyfloat Matrix4::getTranslateY() { 151af28b514964861d81b48902f942f706050936d38Romain Guy return data[kTranslateY]; 152bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 153bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 154ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guyvoid Matrix4::multiply(float v) { 155ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy for (int i = 0; i < 16; i++) { 156ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy data[i] *= v; 157ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy } 158ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 159ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 16008ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadTranslate(float x, float y, float z) { 1617ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy loadIdentity(); 162af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = x; 163af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = y; 164af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateZ] = z; 16508ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 16608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 16708ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadScale(float sx, float sy, float sz) { 1687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy loadIdentity(); 169af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = sx; 170af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = sy; 171af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleZ] = sz; 17208ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 17308ae317c21ec3086b5017672bba87420cc38a407Romain Guy 17408ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadRotate(float angle, float x, float y, float z) { 175af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective0] = 0.0f; 176af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective1] = 0.0f; 177af28b514964861d81b48902f942f706050936d38Romain Guy data[11] = 0.0f; 178af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = 0.0f; 179af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = 0.0f; 180af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateZ] = 0.0f; 181af28b514964861d81b48902f942f706050936d38Romain Guy data[kPerspective2] = 1.0f; 1827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy angle *= float(M_PI / 180.0f); 1847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float c = cosf(angle); 1857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float s = sinf(angle); 1867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float length = sqrtf(x * x + y * y + z * z); 188889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy float recipLen = 1.0f / length; 189889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy x *= recipLen; 190889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy y *= recipLen; 191889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy z *= recipLen; 192889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 1937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float nc = 1.0f - c; 1947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float xy = x * y; 1957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float yz = y * z; 1967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float zx = z * x; 1977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float xs = x * s; 1987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float ys = y * s; 1997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const float zs = z * s; 2007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 201af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = x * x * nc + c; 202af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewX] = xy * nc - zs; 203af28b514964861d81b48902f942f706050936d38Romain Guy data[8] = zx * nc + ys; 204af28b514964861d81b48902f942f706050936d38Romain Guy data[kSkewY] = xy * nc + zs; 205af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = y * y * nc + c; 206af28b514964861d81b48902f942f706050936d38Romain Guy data[9] = yz * nc - xs; 207af28b514964861d81b48902f942f706050936d38Romain Guy data[2] = zx * nc - ys; 208af28b514964861d81b48902f942f706050936d38Romain Guy data[6] = yz * nc + xs; 209af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleZ] = z * z * nc + c; 210af28b514964861d81b48902f942f706050936d38Romain Guy 211af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = false; 21208ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 21308ae317c21ec3086b5017672bba87420cc38a407Romain Guy 21408ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadMultiply(const Matrix4& u, const Matrix4& v) { 21508ae317c21ec3086b5017672bba87420cc38a407Romain Guy for (int i = 0 ; i < 4 ; i++) { 21608ae317c21ec3086b5017672bba87420cc38a407Romain Guy float x = 0; 21708ae317c21ec3086b5017672bba87420cc38a407Romain Guy float y = 0; 21808ae317c21ec3086b5017672bba87420cc38a407Romain Guy float z = 0; 21908ae317c21ec3086b5017672bba87420cc38a407Romain Guy float w = 0; 22008ae317c21ec3086b5017672bba87420cc38a407Romain Guy 22108ae317c21ec3086b5017672bba87420cc38a407Romain Guy for (int j = 0 ; j < 4 ; j++) { 222c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy const float e = v.get(i, j); 22308ae317c21ec3086b5017672bba87420cc38a407Romain Guy x += u.get(j, 0) * e; 22408ae317c21ec3086b5017672bba87420cc38a407Romain Guy y += u.get(j, 1) * e; 22508ae317c21ec3086b5017672bba87420cc38a407Romain Guy z += u.get(j, 2) * e; 22608ae317c21ec3086b5017672bba87420cc38a407Romain Guy w += u.get(j, 3) * e; 22708ae317c21ec3086b5017672bba87420cc38a407Romain Guy } 22808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 22908ae317c21ec3086b5017672bba87420cc38a407Romain Guy set(i, 0, x); 23008ae317c21ec3086b5017672bba87420cc38a407Romain Guy set(i, 1, y); 23108ae317c21ec3086b5017672bba87420cc38a407Romain Guy set(i, 2, z); 23208ae317c21ec3086b5017672bba87420cc38a407Romain Guy set(i, 3, w); 23308ae317c21ec3086b5017672bba87420cc38a407Romain Guy } 234af28b514964861d81b48902f942f706050936d38Romain Guy 235af28b514964861d81b48902f942f706050936d38Romain Guy mSimpleMatrix = u.mSimpleMatrix && v.mSimpleMatrix; 23608ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 23708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 23808ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::loadOrtho(float left, float right, float bottom, float top, float near, float far) { 23908ae317c21ec3086b5017672bba87420cc38a407Romain Guy loadIdentity(); 240af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleX] = 2.0f / (right - left); 241af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleY] = 2.0f / (top - bottom); 242af28b514964861d81b48902f942f706050936d38Romain Guy data[kScaleZ] = -2.0f / (far - near); 243af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateX] = -(right + left) / (right - left); 244af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateY] = -(top + bottom) / (top - bottom); 245af28b514964861d81b48902f942f706050936d38Romain Guy data[kTranslateZ] = -(far + near) / (far - near); 24608ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 24708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 2480ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy#define MUL_ADD_STORE(a, b, c) a = (a) * (b) + (c) 2490ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy 2500ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guyvoid Matrix4::mapPoint(float& x, float& y) const { 2510ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy if (mSimpleMatrix) { 2520ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy MUL_ADD_STORE(x, data[kScaleX], data[kTranslateX]); 2530ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy MUL_ADD_STORE(y, data[kScaleY], data[kTranslateY]); 2540ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy return; 2550ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy } 2560ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy 2570ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy float dx = x * data[kScaleX] + y * data[kSkewX] + data[kTranslateX]; 2580ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy float dy = x * data[kSkewY] + y * data[kScaleY] + data[kTranslateY]; 2590ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy float dz = x * data[kPerspective0] + y * data[kPerspective1] + data[kPerspective2]; 2600ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy if (dz) dz = 1.0f / dz; 2610ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy 2620ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy x = dx * dz; 2630ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy y = dy * dz; 2640ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy} 2650ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy 2669d5316e3f56d138504565ff311145ac01621dff4Romain Guyvoid Matrix4::mapRect(Rect& r) const { 267af28b514964861d81b48902f942f706050936d38Romain Guy if (mSimpleMatrix) { 268af28b514964861d81b48902f942f706050936d38Romain Guy MUL_ADD_STORE(r.left, data[kScaleX], data[kTranslateX]); 269af28b514964861d81b48902f942f706050936d38Romain Guy MUL_ADD_STORE(r.right, data[kScaleX], data[kTranslateX]); 270af28b514964861d81b48902f942f706050936d38Romain Guy MUL_ADD_STORE(r.top, data[kScaleY], data[kTranslateY]); 271af28b514964861d81b48902f942f706050936d38Romain Guy MUL_ADD_STORE(r.bottom, data[kScaleY], data[kTranslateY]); 272af28b514964861d81b48902f942f706050936d38Romain Guy return; 273af28b514964861d81b48902f942f706050936d38Romain Guy } 274af28b514964861d81b48902f942f706050936d38Romain Guy 275af28b514964861d81b48902f942f706050936d38Romain Guy float vertices[] = { 2761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy r.left, r.top, 2771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy r.right, r.top, 2781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy r.right, r.bottom, 2791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy r.left, r.bottom 280af28b514964861d81b48902f942f706050936d38Romain Guy }; 281af28b514964861d81b48902f942f706050936d38Romain Guy 282af28b514964861d81b48902f942f706050936d38Romain Guy float x, y, z; 2839d5316e3f56d138504565ff311145ac01621dff4Romain Guy 284af28b514964861d81b48902f942f706050936d38Romain Guy for (int i = 0; i < 8; i+= 2) { 285af28b514964861d81b48902f942f706050936d38Romain Guy float px = vertices[i]; 286af28b514964861d81b48902f942f706050936d38Romain Guy float py = vertices[i + 1]; 2879d5316e3f56d138504565ff311145ac01621dff4Romain Guy 288af28b514964861d81b48902f942f706050936d38Romain Guy x = px * data[kScaleX] + py * data[kSkewX] + data[kTranslateX]; 289af28b514964861d81b48902f942f706050936d38Romain Guy y = px * data[kSkewY] + py * data[kScaleY] + data[kTranslateY]; 290af28b514964861d81b48902f942f706050936d38Romain Guy z = px * data[kPerspective0] + py * data[kPerspective1] + data[kPerspective2]; 291af28b514964861d81b48902f942f706050936d38Romain Guy if (z) z = 1.0f / z; 292af28b514964861d81b48902f942f706050936d38Romain Guy 293af28b514964861d81b48902f942f706050936d38Romain Guy vertices[i] = x * z; 294af28b514964861d81b48902f942f706050936d38Romain Guy vertices[i + 1] = y * z; 295af28b514964861d81b48902f942f706050936d38Romain Guy } 296af28b514964861d81b48902f942f706050936d38Romain Guy 297af28b514964861d81b48902f942f706050936d38Romain Guy r.left = r.right = vertices[0]; 298af28b514964861d81b48902f942f706050936d38Romain Guy r.top = r.bottom = vertices[1]; 299af28b514964861d81b48902f942f706050936d38Romain Guy 300af28b514964861d81b48902f942f706050936d38Romain Guy for (int i = 2; i < 8; i += 2) { 301af28b514964861d81b48902f942f706050936d38Romain Guy x = vertices[i]; 302af28b514964861d81b48902f942f706050936d38Romain Guy y = vertices[i + 1]; 303af28b514964861d81b48902f942f706050936d38Romain Guy 304af28b514964861d81b48902f942f706050936d38Romain Guy if (x < r.left) r.left = x; 305af28b514964861d81b48902f942f706050936d38Romain Guy else if (x > r.right) r.right = x; 306af28b514964861d81b48902f942f706050936d38Romain Guy if (y < r.top) r.top = y; 307af28b514964861d81b48902f942f706050936d38Romain Guy else if (y > r.bottom) r.bottom = y; 308af28b514964861d81b48902f942f706050936d38Romain Guy } 3099d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 3109d5316e3f56d138504565ff311145ac01621dff4Romain Guy 31108ae317c21ec3086b5017672bba87420cc38a407Romain Guyvoid Matrix4::dump() const { 312af28b514964861d81b48902f942f706050936d38Romain Guy LOGD("Matrix4[simple=%d", mSimpleMatrix); 3131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGD(" %f %f %f %f", data[kScaleX], data[kSkewX], data[8], data[kTranslateX]); 3141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGD(" %f %f %f %f", data[kSkewY], data[kScaleY], data[9], data[kTranslateY]); 315af28b514964861d81b48902f942f706050936d38Romain Guy LOGD(" %f %f %f %f", data[2], data[6], data[kScaleZ], data[kTranslateZ]); 316af28b514964861d81b48902f942f706050936d38Romain Guy LOGD(" %f %f %f %f", data[kPerspective0], data[kPerspective1], data[11], data[kPerspective2]); 3177ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy LOGD("]"); 31808ae317c21ec3086b5017672bba87420cc38a407Romain Guy} 31908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 3209d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3219d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace android 322