106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/* 206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * Copyright (C) 2010 The Android Open Source Project 306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * 406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * you may not use this file except in compliance with the License. 606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * You may obtain a copy of the License at 706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * 806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * 1006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * Unless required by applicable law or agreed to in writing, software 1106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 1206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * See the License for the specific language governing permissions and 1406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy * limitations under the License. 1506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy */ 1606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 1706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#define LOG_TAG "OpenGLRenderer" 1806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 1906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include <utils/Log.h> 2006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include <SkMatrix.h> 2206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 23a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy#include "Caches.h" 2406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 2506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "Texture.h" 2606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "Matrix.h" 2706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2806f96e2652e4855b6520ad9dd70583677605b79aRomain Guynamespace android { 2906f96e2652e4855b6520ad9dd70583677605b79aRomain Guynamespace uirenderer { 3006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 3106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 3206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Support 3306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 3406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 3506f96e2652e4855b6520ad9dd70583677605b79aRomain Guystatic const GLint gTileModes[] = { 3606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_CLAMP_TO_EDGE, // == SkShader::kClamp_TileMode 3706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_REPEAT, // == SkShader::kRepeat_Mode 3806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_MIRRORED_REPEAT // == SkShader::kMirror_TileMode 3906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy}; 4006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 4142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy/** 4242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy * This function does not work for n == 0. 4342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy */ 4442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline bool isPowerOfTwo(unsigned int n) { 4542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return !(n & (n - 1)); 4642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 4742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 4842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline void bindUniformColor(int slot, uint32_t color) { 49d679b57ef279239cf11bb6c9bd14fb99b07971c9Romain Guy const float a = ((color >> 24) & 0xff) / 255.0f; 5042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy glUniform4f(slot, 51d679b57ef279239cf11bb6c9bd14fb99b07971c9Romain Guy a * ((color >> 16) & 0xff) / 255.0f, 52d679b57ef279239cf11bb6c9bd14fb99b07971c9Romain Guy a * ((color >> 8) & 0xff) / 255.0f, 53d679b57ef279239cf11bb6c9bd14fb99b07971c9Romain Guy a * ((color ) & 0xff) / 255.0f, 54d679b57ef279239cf11bb6c9bd14fb99b07971c9Romain Guy a); 5542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 5642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 5706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 5806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Base shader 5906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 6006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 6124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guyvoid SkiaShader::copyFrom(const SkiaShader& shader) { 6224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mType = shader.mType; 6324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mKey = shader.mKey; 6424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mTileX = shader.mTileX; 6524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mTileY = shader.mTileY; 6624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mBlend = shader.mBlend; 6724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mUnitMatrix = shader.mUnitMatrix; 6824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mShaderMatrix = shader.mShaderMatrix; 6924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mGenerationId = shader.mGenerationId; 7024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 7124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 7206f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaShader::SkiaShader(Type type, SkShader* key, SkShader::TileMode tileX, 7306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkShader::TileMode tileY, SkMatrix* matrix, bool blend): 7414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mType(type), mKey(key), mTileX(tileX), mTileY(tileY), mBlend(blend) { 7514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy setMatrix(matrix); 7624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mGenerationId = 0; 7706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 7806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 7906f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaShader::~SkiaShader() { 8006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 8106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 8206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaShader::describe(ProgramDescription& description, const Extensions& extensions) { 8306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 8406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 8506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaShader::setupProgram(Program* program, const mat4& modelView, const Snapshot& snapshot, 8606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint* textureUnit) { 8706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 8806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 8901d065795794fa56be660d6346e4830eb7e90a41Romain Guyvoid SkiaShader::bindTexture(Texture* texture, GLenum wrapS, GLenum wrapT) { 908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 91d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrapST(wrapS, wrapT); 9206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 9306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 9414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guyvoid SkiaShader::computeScreenSpaceMatrix(mat4& screenSpace, const mat4& modelView) { 9514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy screenSpace.loadMultiply(mUnitMatrix, mShaderMatrix); 9614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy screenSpace.multiply(modelView); 9714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 9814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 9906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 10006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Bitmap shader 10106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 10206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 10306f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaBitmapShader::SkiaBitmapShader(SkBitmap* bitmap, SkShader* key, SkShader::TileMode tileX, 10406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkShader::TileMode tileY, SkMatrix* matrix, bool blend): 1059cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy SkiaShader(kBitmap, key, tileX, tileY, matrix, blend), mBitmap(bitmap), mTexture(NULL) { 10614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 10706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 10806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 10924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaBitmapShader::copy() { 11024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaBitmapShader* copy = new SkiaBitmapShader(); 11124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 11224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mBitmap = mBitmap; 11324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 11424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 11524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 11606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaBitmapShader::describe(ProgramDescription& description, const Extensions& extensions) { 1178164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mTextureCache->get(mBitmap); 1189cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 1199cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy mTexture = texture; 12006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 12106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float width = texture->width; 12206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float height = texture->height; 12306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 12406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.hasBitmap = true; 12506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // The driver does not support non-power of two mirrored/repeated 12606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // textures, so do it ourselves 12761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy if (!extensions.hasNPot() && (!isPowerOfTwo(width) || !isPowerOfTwo(height)) && 12861c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy (mTileX != SkShader::kClamp_TileMode || mTileY != SkShader::kClamp_TileMode)) { 12906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.isBitmapNpot = true; 13006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.bitmapWrapS = gTileModes[mTileX]; 13106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.bitmapWrapT = gTileModes[mTileY]; 13229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapS = GL_CLAMP_TO_EDGE; 13329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapT = GL_CLAMP_TO_EDGE; 13429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } else { 13529d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapS = gTileModes[mTileX]; 13629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapT = gTileModes[mTileY]; 13706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 13806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 13906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 14006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaBitmapShader::setupProgram(Program* program, const mat4& modelView, 14106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 14206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureSlot = (*textureUnit)++; 143a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(textureSlot); 1449cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy 1458164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mTexture; 1469cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy mTexture = NULL; 1479cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 1489cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy const AutoTexture autoCleanup(texture); 14906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 15006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float width = texture->width; 15106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float height = texture->height; 15206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 15306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mat4 textureTransform; 15414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(textureTransform, modelView); 15506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 15606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Uniforms 15701d065795794fa56be660d6346e4830eb7e90a41Romain Guy bindTexture(texture, mWrapS, mWrapT); 158d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR); 159e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 16006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniform1i(program->getUniform("bitmapSampler"), textureSlot); 16106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniformMatrix4fv(program->getUniform("textureTransform"), 1, 16206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_FALSE, &textureTransform.data[0]); 16306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniform2f(program->getUniform("textureDimension"), 1.0f / width, 1.0f / height); 16406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 16506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 16606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 16706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Linear gradient shader 16806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 16906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 170e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guystatic void toUnitMatrix(const SkPoint pts[2], SkMatrix* matrix) { 171e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkVector vec = pts[1] - pts[0]; 172e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy const float mag = vec.length(); 173e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy const float inv = mag ? 1.0f / mag : 0; 174e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 175e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy vec.scale(inv); 176e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); 177e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->postTranslate(-pts[0].fX, -pts[0].fY); 178e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->postScale(inv, inv); 179e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy} 180e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 18106f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaLinearGradientShader::SkiaLinearGradientShader(float* bounds, uint32_t* colors, 18206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 18306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkMatrix* matrix, bool blend): 18406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader(kLinearGradient, key, tileMode, tileMode, matrix, blend), 18506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mBounds(bounds), mColors(colors), mPositions(positions), mCount(count) { 186e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkPoint points[2]; 187e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy points[0].set(bounds[0], bounds[1]); 188e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy points[1].set(bounds[2], bounds[3]); 189e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 190e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkMatrix unitMatrix; 191e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy toUnitMatrix(points, &unitMatrix); 192e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy mUnitMatrix.load(unitMatrix); 193e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 194e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy updateLocalMatrix(matrix); 19542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 19642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy mIsSimple = count == 2 && tileMode == SkShader::kClamp_TileMode; 19706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 19806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 19906f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaLinearGradientShader::~SkiaLinearGradientShader() { 20025ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mBounds; 20125ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mColors; 20225ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mPositions; 20306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 20406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 20524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaLinearGradientShader::copy() { 20624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaLinearGradientShader* copy = new SkiaLinearGradientShader(); 20724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 20843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mBounds = new float[4]; 20943ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mBounds, mBounds, sizeof(float) * 4); 21043ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 21143ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 21243ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 21343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 21424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 21542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy copy->mIsSimple = mIsSimple; 21624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 21724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 21824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 21906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaLinearGradientShader::describe(ProgramDescription& description, 22006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Extensions& extensions) { 22106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.hasGradient = true; 222ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.gradientType = ProgramDescription::kGradientLinear; 22342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy description.isSimpleGradient = mIsSimple; 22406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 22506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 22606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaLinearGradientShader::setupProgram(Program* program, const mat4& modelView, 22706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 22842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy if (CC_UNLIKELY(!mIsSimple)) { 22942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GLuint textureSlot = (*textureUnit)++; 23042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy Caches::getInstance().activeTexture(textureSlot); 23142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 23242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy Texture* texture = mGradientCache->get(mColors, mPositions, mCount); 23306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 23442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy // Uniforms 23542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindTexture(texture, gTileModes[mTileX], gTileModes[mTileY]); 23642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy glUniform1i(program->getUniform("gradientSampler"), textureSlot); 23742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } else { 23842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindUniformColor(program->getUniform("startColor"), mColors[0]); 23942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindUniformColor(program->getUniform("endColor"), mColors[1]); 24042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 24106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 242211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy Caches::getInstance().dither.setupProgram(program, textureUnit); 243211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 244e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy mat4 screenSpace; 245e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy computeScreenSpaceMatrix(screenSpace, modelView); 24606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 24706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 24806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 250ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy// Circular gradient shader 251ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy/////////////////////////////////////////////////////////////////////////////// 252ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 25314830948d02f768c41b97b7a8d15e1b3cab78267Romain Guystatic void toCircularUnitMatrix(const float x, const float y, const float radius, 25414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix* matrix) { 25514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy const float inv = 1.0f / radius; 25614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->setTranslate(-x, -y); 25714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->postScale(inv, inv); 25814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 25914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 260ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain GuySkiaCircularGradientShader::SkiaCircularGradientShader(float x, float y, float radius, 261ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy uint32_t* colors, float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 262ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkMatrix* matrix, bool blend): 263ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkiaSweepGradientShader(kCircularGradient, x, y, colors, positions, count, key, 26414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy tileMode, matrix, blend) { 26514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix unitMatrix; 26614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy toCircularUnitMatrix(x, y, radius, &unitMatrix); 26714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mUnitMatrix.load(unitMatrix); 26814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 26914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 270ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 271ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 27224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaCircularGradientShader::copy() { 27324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaCircularGradientShader* copy = new SkiaCircularGradientShader(); 27424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 27543ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 27643ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 27743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 27843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 27924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 28042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy copy->mIsSimple = mIsSimple; 28124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 28224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 28324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 284ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guyvoid SkiaCircularGradientShader::describe(ProgramDescription& description, 285ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy const Extensions& extensions) { 286ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy description.hasGradient = true; 287ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy description.gradientType = ProgramDescription::kGradientCircular; 28842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy description.isSimpleGradient = mIsSimple; 289ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 290ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 291ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy/////////////////////////////////////////////////////////////////////////////// 292ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy// Sweep gradient shader 293ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy/////////////////////////////////////////////////////////////////////////////// 294ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 29514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guystatic void toSweepUnitMatrix(const float x, const float y, SkMatrix* matrix) { 29614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->setTranslate(-x, -y); 29714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 29814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 299ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain GuySkiaSweepGradientShader::SkiaSweepGradientShader(float x, float y, uint32_t* colors, 300ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy float* positions, int count, SkShader* key, SkMatrix* matrix, bool blend): 301ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy SkiaShader(kSweepGradient, key, SkShader::kClamp_TileMode, 302ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy SkShader::kClamp_TileMode, matrix, blend), 30314830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mColors(colors), mPositions(positions), mCount(count) { 30414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix unitMatrix; 30514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy toSweepUnitMatrix(x, y, &unitMatrix); 30614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mUnitMatrix.load(unitMatrix); 30714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 30814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 30942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 31042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy mIsSimple = count == 2; 311ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 312ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 313ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain GuySkiaSweepGradientShader::SkiaSweepGradientShader(Type type, float x, float y, uint32_t* colors, 314ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 315ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkMatrix* matrix, bool blend): 316ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkiaShader(type, key, tileMode, tileMode, matrix, blend), 31714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mColors(colors), mPositions(positions), mCount(count) { 31842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 31942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy mIsSimple = count == 2 && tileMode == SkShader::kClamp_TileMode; 320ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 321ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 322ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain GuySkiaSweepGradientShader::~SkiaSweepGradientShader() { 323ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy delete[] mColors; 324ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy delete[] mPositions; 325ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 326ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 32724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaSweepGradientShader::copy() { 32824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaSweepGradientShader* copy = new SkiaSweepGradientShader(); 32924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 33043ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 33143ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 33243ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 33343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 33424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 33542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy copy->mIsSimple = mIsSimple; 33624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 33724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 33824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 339ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyvoid SkiaSweepGradientShader::describe(ProgramDescription& description, 340ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy const Extensions& extensions) { 341ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.hasGradient = true; 342ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.gradientType = ProgramDescription::kGradientSweep; 34342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy description.isSimpleGradient = mIsSimple; 344ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 345ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 346ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyvoid SkiaSweepGradientShader::setupProgram(Program* program, const mat4& modelView, 347ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 34842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy if (CC_UNLIKELY(!mIsSimple)) { 34942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GLuint textureSlot = (*textureUnit)++; 35042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy Caches::getInstance().activeTexture(textureSlot); 351ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 35242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy Texture* texture = mGradientCache->get(mColors, mPositions, mCount); 35342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 35442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy // Uniforms 35542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindTexture(texture, gTileModes[mTileX], gTileModes[mTileY]); 35642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy glUniform1i(program->getUniform("gradientSampler"), textureSlot); 35742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } else { 35842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindUniformColor(program->getUniform("startColor"), mColors[0]); 35942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy bindUniformColor(program->getUniform("endColor"), mColors[1]); 36042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 361ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 362211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy Caches::getInstance().dither.setupProgram(program, textureUnit); 363211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 36414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mat4 screenSpace; 36514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(screenSpace, modelView); 366ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 367ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 368ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 369ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy/////////////////////////////////////////////////////////////////////////////// 37006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Compose shader 37106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 37206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 37306f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaComposeShader::SkiaComposeShader(SkiaShader* first, SkiaShader* second, 37406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkXfermode::Mode mode, SkShader* key): 37506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader(kCompose, key, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, 37643ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy NULL, first->blend() || second->blend()), 37743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy mFirst(first), mSecond(second), mMode(mode), mCleanup(false) { 37843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy} 37943ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy 38043ccf4663c822ddd435b7683cc05221f6169c6c3Romain GuySkiaComposeShader::~SkiaComposeShader() { 38143ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy if (mCleanup) { 38243ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy delete mFirst; 38343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy delete mSecond; 38443ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy } 38506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 38606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 38724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaComposeShader::copy() { 38824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaComposeShader* copy = new SkiaComposeShader(); 38924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 39043ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mFirst = mFirst->copy(); 39143ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mSecond = mSecond->copy(); 39224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mMode = mMode; 39343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->cleanup(); 39424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 39524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 39624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 39706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::set(TextureCache* textureCache, GradientCache* gradientCache) { 39806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader::set(textureCache, gradientCache); 39906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->set(textureCache, gradientCache); 40006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->set(textureCache, gradientCache); 40106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 40206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 40306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::describe(ProgramDescription& description, const Extensions& extensions) { 40406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->describe(description, extensions); 40506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->describe(description, extensions); 40606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mFirst->type() == kBitmap) { 40706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.isBitmapFirst = true; 40806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 40906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.shadersMode = mMode; 41006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 41106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 41206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::setupProgram(Program* program, const mat4& modelView, 41306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 41406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->setupProgram(program, modelView, snapshot, textureUnit); 41506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->setupProgram(program, modelView, snapshot, textureUnit); 41606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 41706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 41806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy}; // namespace uirenderer 41906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy}; // namespace android 420