SkiaShader.cpp revision a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5
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 4106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 4206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Base shader 4306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 4406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 4524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guyvoid SkiaShader::copyFrom(const SkiaShader& shader) { 4624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mType = shader.mType; 4724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mKey = shader.mKey; 4824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mTileX = shader.mTileX; 4924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mTileY = shader.mTileY; 5024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mBlend = shader.mBlend; 5124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mUnitMatrix = shader.mUnitMatrix; 5224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mShaderMatrix = shader.mShaderMatrix; 5324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mGenerationId = shader.mGenerationId; 5424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 5524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 5606f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaShader::SkiaShader(Type type, SkShader* key, SkShader::TileMode tileX, 5706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkShader::TileMode tileY, SkMatrix* matrix, bool blend): 5814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mType(type), mKey(key), mTileX(tileX), mTileY(tileY), mBlend(blend) { 5914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy setMatrix(matrix); 6024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy mGenerationId = 0; 6106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 6206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 6306f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaShader::~SkiaShader() { 6406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 6506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 6606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaShader::describe(ProgramDescription& description, const Extensions& extensions) { 6706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 6806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 6906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaShader::setupProgram(Program* program, const mat4& modelView, const Snapshot& snapshot, 7006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint* textureUnit) { 7106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 7206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 7301d065795794fa56be660d6346e4830eb7e90a41Romain Guyvoid SkiaShader::bindTexture(Texture* texture, GLenum wrapS, GLenum wrapT) { 748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 75d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrapST(wrapS, wrapT); 7606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 7706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 7814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guyvoid SkiaShader::computeScreenSpaceMatrix(mat4& screenSpace, const mat4& modelView) { 7914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy screenSpace.loadMultiply(mUnitMatrix, mShaderMatrix); 8014830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy screenSpace.multiply(modelView); 8114830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 8214830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 8306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 8406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Bitmap shader 8506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 8606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 8706f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaBitmapShader::SkiaBitmapShader(SkBitmap* bitmap, SkShader* key, SkShader::TileMode tileX, 8806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkShader::TileMode tileY, SkMatrix* matrix, bool blend): 899cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy SkiaShader(kBitmap, key, tileX, tileY, matrix, blend), mBitmap(bitmap), mTexture(NULL) { 9014830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 9106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 9206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 9324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaBitmapShader::copy() { 9424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaBitmapShader* copy = new SkiaBitmapShader(); 9524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 9624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mBitmap = mBitmap; 9724c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 9824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 9924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 10006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaBitmapShader::describe(ProgramDescription& description, const Extensions& extensions) { 1018164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mTextureCache->get(mBitmap); 1029cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 1039cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy mTexture = texture; 10406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 10506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float width = texture->width; 10606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float height = texture->height; 10706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 10806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.hasBitmap = true; 10906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // The driver does not support non-power of two mirrored/repeated 11006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // textures, so do it ourselves 11161c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy if (!extensions.hasNPot() && (!isPowerOfTwo(width) || !isPowerOfTwo(height)) && 11261c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy (mTileX != SkShader::kClamp_TileMode || mTileY != SkShader::kClamp_TileMode)) { 11306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.isBitmapNpot = true; 11406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.bitmapWrapS = gTileModes[mTileX]; 11506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.bitmapWrapT = gTileModes[mTileY]; 11629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapS = GL_CLAMP_TO_EDGE; 11729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapT = GL_CLAMP_TO_EDGE; 11829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } else { 11929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapS = gTileModes[mTileX]; 12029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy mWrapT = gTileModes[mTileY]; 12106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 12206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 12306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 12406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaBitmapShader::setupProgram(Program* program, const mat4& modelView, 12506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 12606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureSlot = (*textureUnit)++; 127a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(textureSlot); 1289cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy 1298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mTexture; 1309cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy mTexture = NULL; 1319cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 1329cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy const AutoTexture autoCleanup(texture); 13306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 13406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float width = texture->width; 13506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const float height = texture->height; 13606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 13706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mat4 textureTransform; 13814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(textureTransform, modelView); 13906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 14006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Uniforms 14101d065795794fa56be660d6346e4830eb7e90a41Romain Guy bindTexture(texture, mWrapS, mWrapT); 142b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy // Assume linear here; we should really check the transform in 143b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy // ::updateTransforms() but we don't have the texture object 144b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy // available at that point. The optimization is not worth the 145b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy // effort for now. 146d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR); 147e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 14806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniform1i(program->getUniform("bitmapSampler"), textureSlot); 14906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniformMatrix4fv(program->getUniform("textureTransform"), 1, 15006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_FALSE, &textureTransform.data[0]); 15106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniform2f(program->getUniform("textureDimension"), 1.0f / width, 1.0f / height); 15206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 15306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 154759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guyvoid SkiaBitmapShader::updateTransforms(Program* program, const mat4& modelView, 155759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const Snapshot& snapshot) { 156759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy mat4 textureTransform; 15714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(textureTransform, modelView); 158759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy glUniformMatrix4fv(program->getUniform("textureTransform"), 1, 159759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy GL_FALSE, &textureTransform.data[0]); 160759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 161759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 16206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 16306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Linear gradient shader 16406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 16506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 166e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guystatic void toUnitMatrix(const SkPoint pts[2], SkMatrix* matrix) { 167e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkVector vec = pts[1] - pts[0]; 168e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy const float mag = vec.length(); 169e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy const float inv = mag ? 1.0f / mag : 0; 170e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 171e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy vec.scale(inv); 172e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); 173e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->postTranslate(-pts[0].fX, -pts[0].fY); 174e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy matrix->postScale(inv, inv); 175e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy} 176e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 17706f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaLinearGradientShader::SkiaLinearGradientShader(float* bounds, uint32_t* colors, 17806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 17906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkMatrix* matrix, bool blend): 18006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader(kLinearGradient, key, tileMode, tileMode, matrix, blend), 18106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mBounds(bounds), mColors(colors), mPositions(positions), mCount(count) { 182e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkPoint points[2]; 183e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy points[0].set(bounds[0], bounds[1]); 184e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy points[1].set(bounds[2], bounds[3]); 185e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 186e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy SkMatrix unitMatrix; 187e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy toUnitMatrix(points, &unitMatrix); 188e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy mUnitMatrix.load(unitMatrix); 189e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy 190e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy updateLocalMatrix(matrix); 19106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 19206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 19306f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaLinearGradientShader::~SkiaLinearGradientShader() { 19425ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mBounds; 19525ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mColors; 19625ee037fee1607e8a77b1f2e259356e74dd6f645Romain Guy delete[] mPositions; 19706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 19806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 19924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaLinearGradientShader::copy() { 20024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaLinearGradientShader* copy = new SkiaLinearGradientShader(); 20124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 20243ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mBounds = new float[4]; 20343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mBounds, mBounds, sizeof(float) * 4); 20443ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 20543ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 20643ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 20743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 20824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 20924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 21024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 21124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 21206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaLinearGradientShader::describe(ProgramDescription& description, 21306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Extensions& extensions) { 21406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.hasGradient = true; 215ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.gradientType = ProgramDescription::kGradientLinear; 21606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 21706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 21806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaLinearGradientShader::setupProgram(Program* program, const mat4& modelView, 21906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 22006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureSlot = (*textureUnit)++; 221a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(textureSlot); 22206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2236203f6c8147069976342be8f42add797a50f9557Romain Guy Texture* texture = mGradientCache->get(mColors, mPositions, mCount, mTileX); 22406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 225e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy mat4 screenSpace; 226e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy computeScreenSpaceMatrix(screenSpace, modelView); 22706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 22806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Uniforms 22901d065795794fa56be660d6346e4830eb7e90a41Romain Guy bindTexture(texture, gTileModes[mTileX], gTileModes[mTileY]); 23006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniform1i(program->getUniform("gradientSampler"), textureSlot); 23106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 23206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 23306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 234759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guyvoid SkiaLinearGradientShader::updateTransforms(Program* program, const mat4& modelView, 235759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const Snapshot& snapshot) { 236e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy mat4 screenSpace; 237e3095e0c1e2a4a4f34f741aa386eae56536ca5aaRomain Guy computeScreenSpaceMatrix(screenSpace, modelView); 238759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 239759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 240759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 24106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 242ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy// Circular gradient shader 243ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy/////////////////////////////////////////////////////////////////////////////// 244ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 24514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guystatic void toCircularUnitMatrix(const float x, const float y, const float radius, 24614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix* matrix) { 24714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy const float inv = 1.0f / radius; 24814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->setTranslate(-x, -y); 24914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->postScale(inv, inv); 25014830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 25114830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 252ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain GuySkiaCircularGradientShader::SkiaCircularGradientShader(float x, float y, float radius, 253ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy uint32_t* colors, float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 254ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkMatrix* matrix, bool blend): 255ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkiaSweepGradientShader(kCircularGradient, x, y, colors, positions, count, key, 25614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy tileMode, matrix, blend) { 25714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix unitMatrix; 25814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy toCircularUnitMatrix(x, y, radius, &unitMatrix); 25914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mUnitMatrix.load(unitMatrix); 26014830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 26114830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 262ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 263ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 26424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaCircularGradientShader::copy() { 26524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaCircularGradientShader* copy = new SkiaCircularGradientShader(); 26624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 26743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 26843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 26943ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 27043ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 27124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 27224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 27324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 27424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 275ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guyvoid SkiaCircularGradientShader::describe(ProgramDescription& description, 276ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy const Extensions& extensions) { 277ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy description.hasGradient = true; 278ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy description.gradientType = ProgramDescription::kGradientCircular; 279ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 280ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 281ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy/////////////////////////////////////////////////////////////////////////////// 282ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy// Sweep gradient shader 283ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy/////////////////////////////////////////////////////////////////////////////// 284ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 28514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guystatic void toSweepUnitMatrix(const float x, const float y, SkMatrix* matrix) { 28614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy matrix->setTranslate(-x, -y); 28714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy} 28814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 289ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain GuySkiaSweepGradientShader::SkiaSweepGradientShader(float x, float y, uint32_t* colors, 290ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy float* positions, int count, SkShader* key, SkMatrix* matrix, bool blend): 291ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy SkiaShader(kSweepGradient, key, SkShader::kClamp_TileMode, 292ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy SkShader::kClamp_TileMode, matrix, blend), 29314830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mColors(colors), mPositions(positions), mCount(count) { 29414830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy SkMatrix unitMatrix; 29514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy toSweepUnitMatrix(x, y, &unitMatrix); 29614830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mUnitMatrix.load(unitMatrix); 29714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy 29814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy updateLocalMatrix(matrix); 299ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 300ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 301ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain GuySkiaSweepGradientShader::SkiaSweepGradientShader(Type type, float x, float y, uint32_t* colors, 302ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy float* positions, int count, SkShader* key, SkShader::TileMode tileMode, 303ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkMatrix* matrix, bool blend): 304ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy SkiaShader(type, key, tileMode, tileMode, matrix, blend), 30514830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mColors(colors), mPositions(positions), mCount(count) { 306ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy} 307ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 308ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain GuySkiaSweepGradientShader::~SkiaSweepGradientShader() { 309ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy delete[] mColors; 310ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy delete[] mPositions; 311ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 312ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 31324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaSweepGradientShader::copy() { 31424c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaSweepGradientShader* copy = new SkiaSweepGradientShader(); 31524c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 31643ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mColors = new uint32_t[mCount]; 31743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mColors, mColors, sizeof(uint32_t) * mCount); 31843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mPositions = new float[mCount]; 31943ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy memcpy(copy->mPositions, mPositions, sizeof(float) * mCount); 32024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mCount = mCount; 32124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 32224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 32324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 324ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyvoid SkiaSweepGradientShader::describe(ProgramDescription& description, 325ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy const Extensions& extensions) { 326ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.hasGradient = true; 327ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.gradientType = ProgramDescription::kGradientSweep; 328ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 329ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 330ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyvoid SkiaSweepGradientShader::setupProgram(Program* program, const mat4& modelView, 331ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 332ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy GLuint textureSlot = (*textureUnit)++; 333a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(textureSlot); 334ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 3356203f6c8147069976342be8f42add797a50f9557Romain Guy Texture* texture = mGradientCache->get(mColors, mPositions, mCount); 336ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 33714830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mat4 screenSpace; 33814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(screenSpace, modelView); 339ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 340ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Uniforms 34101d065795794fa56be660d6346e4830eb7e90a41Romain Guy bindTexture(texture, gTileModes[mTileX], gTileModes[mTileY]); 342ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy glUniform1i(program->getUniform("gradientSampler"), textureSlot); 343ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 344ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 345ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 346ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyvoid SkiaSweepGradientShader::updateTransforms(Program* program, const mat4& modelView, 347ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy const Snapshot& snapshot) { 34814830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy mat4 screenSpace; 34914830948d02f768c41b97b7a8d15e1b3cab78267Romain Guy computeScreenSpaceMatrix(screenSpace, modelView); 350ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy glUniformMatrix4fv(program->getUniform("screenSpace"), 1, GL_FALSE, &screenSpace.data[0]); 351ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy} 352ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy 353ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy/////////////////////////////////////////////////////////////////////////////// 35406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy// Compose shader 35506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy/////////////////////////////////////////////////////////////////////////////// 35606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 35706f96e2652e4855b6520ad9dd70583677605b79aRomain GuySkiaComposeShader::SkiaComposeShader(SkiaShader* first, SkiaShader* second, 35806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkXfermode::Mode mode, SkShader* key): 35906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader(kCompose, key, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, 36043ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy NULL, first->blend() || second->blend()), 36143ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy mFirst(first), mSecond(second), mMode(mode), mCleanup(false) { 36243ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy} 36343ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy 36443ccf4663c822ddd435b7683cc05221f6169c6c3Romain GuySkiaComposeShader::~SkiaComposeShader() { 36543ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy if (mCleanup) { 36643ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy delete mFirst; 36743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy delete mSecond; 36843ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy } 36906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 37006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 37124c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain GuySkiaShader* SkiaComposeShader::copy() { 37224c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy SkiaComposeShader* copy = new SkiaComposeShader(); 37324c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->copyFrom(*this); 37443ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mFirst = mFirst->copy(); 37543ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->mSecond = mSecond->copy(); 37624c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy copy->mMode = mMode; 37743ccf4663c822ddd435b7683cc05221f6169c6c3Romain Guy copy->cleanup(); 37824c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy return copy; 37924c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy} 38024c00216687ac87fe531dc4d4168ac0c0ca04ea6Romain Guy 38106f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::set(TextureCache* textureCache, GradientCache* gradientCache) { 38206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader::set(textureCache, gradientCache); 38306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->set(textureCache, gradientCache); 38406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->set(textureCache, gradientCache); 38506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 38606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 38706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::describe(ProgramDescription& description, const Extensions& extensions) { 38806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->describe(description, extensions); 38906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->describe(description, extensions); 39006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mFirst->type() == kBitmap) { 39106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.isBitmapFirst = true; 39206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 39306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy description.shadersMode = mMode; 39406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 39506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 39606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid SkiaComposeShader::setupProgram(Program* program, const mat4& modelView, 39706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy const Snapshot& snapshot, GLuint* textureUnit) { 39806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mFirst->setupProgram(program, modelView, snapshot, textureUnit); 39906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mSecond->setupProgram(program, modelView, snapshot, textureUnit); 40006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 40106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 40206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy}; // namespace uirenderer 40306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy}; // namespace android 404