1db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/* 2db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * Copyright (C) 2010 The Android Open Source Project 3db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * 4db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * you may not use this file except in compliance with the License. 6db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * You may obtain a copy of the License at 7db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * 8db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * 10db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * Unless required by applicable law or agreed to in writing, software 11db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * See the License for the specific language governing permissions and 14db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy * limitations under the License. 15db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy */ 16db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 17db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 18db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 19db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guynamespace android { 20db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guynamespace uirenderer { 21db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 22db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 23db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Base color filter 24db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 25db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 26ad93c2bb63dfc813b2eefa1043aa63afbddce655Chet HaaseSkiaColorFilter::SkiaColorFilter(SkColorFilter *skFilter, Type type, bool blend): 27ad93c2bb63dfc813b2eefa1043aa63afbddce655Chet Haase mType(type), mBlend(blend), mSkFilter(skFilter) { 28db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 29db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 30db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain GuySkiaColorFilter::~SkiaColorFilter() { 31db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 32db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 34db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color matrix filter 35db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 36db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 37e83221c547cf2038752e5378e72e49a62cfd9954Romain GuySkiaColorMatrixFilter::SkiaColorMatrixFilter(SkColorFilter* skFilter, float* matrix, float* vector): 38ad93c2bb63dfc813b2eefa1043aa63afbddce655Chet Haase SkiaColorFilter(skFilter, kColorMatrix, true), mMatrix(matrix), mVector(vector) { 396ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy // Skia uses the range [0..255] for the addition vector, but we need 406ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy // the [0..1] range to apply the vector in GLSL 416ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy for (int i = 0; i < 4; i++) { 426ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy mVector[i] /= 255.0f; 436ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy } 446ed9e43879039ce0cbead08d304edbce79a88cedRomain Guy 45e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy // TODO: We should be smarter about this 46e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy mBlend = true; 47db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 48db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 49db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain GuySkiaColorMatrixFilter::~SkiaColorMatrixFilter() { 50db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy delete[] mMatrix; 51db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy delete[] mVector; 52db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 53db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 54db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaColorMatrixFilter::describe(ProgramDescription& description, 55db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const Extensions& extensions) { 56db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy description.colorOp = ProgramDescription::kColorMatrix; 57db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 58db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 59db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaColorMatrixFilter::setupProgram(Program* program) { 60db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glUniformMatrix4fv(program->getUniform("colorMatrix"), 1, GL_FALSE, &mMatrix[0]); 61db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glUniform4fv(program->getUniform("colorMatrixVector"), 1, mVector); 62db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 63db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 64db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 65db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Lighting color filter 66db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 67db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 68e83221c547cf2038752e5378e72e49a62cfd9954Romain GuySkiaLightingFilter::SkiaLightingFilter(SkColorFilter* skFilter, int multiply, int add): 69ad93c2bb63dfc813b2eefa1043aa63afbddce655Chet Haase SkiaColorFilter(skFilter, kLighting, true) { 70db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mMulR = ((multiply >> 16) & 0xFF) / 255.0f; 71db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mMulG = ((multiply >> 8) & 0xFF) / 255.0f; 72db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mMulB = ((multiply ) & 0xFF) / 255.0f; 73db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 74db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mAddR = ((add >> 16) & 0xFF) / 255.0f; 75db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mAddG = ((add >> 8) & 0xFF) / 255.0f; 76db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mAddB = ((add ) & 0xFF) / 255.0f; 77e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy 78e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy // A lighting filter always ignores alpha 79e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy mBlend = false; 80db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 81db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 82db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaLightingFilter::describe(ProgramDescription& description, const Extensions& extensions) { 83db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy description.colorOp = ProgramDescription::kColorLighting; 84db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 85db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 86db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaLightingFilter::setupProgram(Program* program) { 87db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glUniform4f(program->getUniform("lightingMul"), mMulR, mMulG, mMulB, 1.0f); 88db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glUniform4f(program->getUniform("lightingAdd"), mAddR, mAddG, mAddB, 0.0f); 89db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 90db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 91db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 92db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Blend color filter 93db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 94db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 95e83221c547cf2038752e5378e72e49a62cfd9954Romain GuySkiaBlendFilter::SkiaBlendFilter(SkColorFilter* skFilter, int color, SkXfermode::Mode mode): 96ad93c2bb63dfc813b2eefa1043aa63afbddce655Chet Haase SkiaColorFilter(skFilter, kBlend, true), mMode(mode) { 97db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const int alpha = (color >> 24) & 0xFF; 98db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mA = alpha / 255.0f; 99db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mR = mA * ((color >> 16) & 0xFF) / 255.0f; 100db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mG = mA * ((color >> 8) & 0xFF) / 255.0f; 101db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mB = mA * ((color ) & 0xFF) / 255.0f; 102e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy 103e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy // TODO: We should do something smarter here 104e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy mBlend = true; 105db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 106db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 107db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaBlendFilter::describe(ProgramDescription& description, const Extensions& extensions) { 108db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy description.colorOp = ProgramDescription::kColorBlend; 109db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy description.colorMode = mMode; 110db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 111db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid SkiaBlendFilter::setupProgram(Program* program) { 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glUniform4f(program->getUniform("colorBlend"), mR, mG, mB, mA); 114db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 115db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 116db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy}; // namespace uirenderer 117db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy}; // namespace android 118