ProgramCache.cpp revision a1d12dd619c86c9ac121a3095ff5e5633c11e876
1ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/* 2ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Copyright (C) 2010 The Android Open Source Project 3ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 4ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * you may not use this file except in compliance with the License. 6ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * You may obtain a copy of the License at 7ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 8ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 10ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Unless required by applicable law or agreed to in writing, software 11ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * See the License for the specific language governing permissions and 14ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * limitations under the License. 15ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy */ 16ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 17ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#define LOG_TAG "OpenGLRenderer" 18ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 19ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include <utils/String8.h> 20ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 21a60c3889718f4513a6c9d8b80f655db5d6346905Romain Guy#include "Caches.h" 22ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include "ProgramCache.h" 23ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 24ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace android { 25ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace uirenderer { 26ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 27ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 28707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// Defines 29707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy/////////////////////////////////////////////////////////////////////////////// 30707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 31707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_NO_MODULATE 0 32707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_MODULATE 1 33707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_MODULATE_A8 2 34707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 35707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy/////////////////////////////////////////////////////////////////////////////// 36ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Vertex shaders snippets 37ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 38ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 39ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Attributes = 40ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec4 position;\n"; 41ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Attributes_TexCoords = 42ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec2 texCoords;\n"; 4399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haaseconst char* gVS_Header_Attributes_AAParameters = 4499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase "attribute float vtxWidth;\n" 4599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase "attribute float vtxLength;\n"; 466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikconst char* gVS_Header_Attributes_AARectParameters = 476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik "attribute float vtxAlpha;\n"; 48aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gVS_Header_Uniforms_TextureTransform = 49aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy "uniform mat4 mainTextureTransform;\n"; 50ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Uniforms = 51ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 transform;\n"; 52ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyconst char* gVS_Header_Uniforms_IsPoint = 5380bbfb19eefe3cb9be8833b136381cece069e24dRomain Guy "uniform mediump float pointSize;\n"; 54ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Header_Uniforms_HasGradient[3] = { 55ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 56a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform mat4 screenSpace;\n" 57a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform float ditherSize;\n", 58ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 59a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform mat4 screenSpace;\n" 60a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform float ditherSize;\n", 61ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 62ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform mat4 screenSpace;\n" 63a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform float ditherSize;\n" 64ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Header_Uniforms_HasBitmap = 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform mat4 textureTransform;\n" 6780bbfb19eefe3cb9be8833b136381cece069e24dRomain Guy "uniform mediump vec2 textureDimension;\n"; 68ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasTexture = 69ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outTexCoords;\n"; 7099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haaseconst char* gVS_Header_Varyings_IsAA = 7199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase "varying float widthProportion;\n" 7299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase "varying float lengthProportion;\n"; 736ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikconst char* gVS_Header_Varyings_IsAARect = 746ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik "varying float alpha;\n"; 7563553478130f78d44c8fbeaebc610e19925544a5Romain Guyconst char* gVS_Header_Varyings_HasBitmap = 7663553478130f78d44c8fbeaebc610e19925544a5Romain Guy "varying highp vec2 outBitmapTexCoords;\n"; 7763553478130f78d44c8fbeaebc610e19925544a5Romain Guyconst char* gVS_Header_Varyings_PointHasBitmap = 7863553478130f78d44c8fbeaebc610e19925544a5Romain Guy "varying highp vec2 outPointBitmapTexCoords;\n"; 7942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gVS_Header_Varyings_HasGradient[6] = { 80ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 81a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying highp vec2 linear;\n" 82a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 83a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying float linear;\n" 84a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 85211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 86ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 87a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying highp vec2 circular;\n" 88a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 89a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying highp vec2 circular;\n" 90a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 91211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 92ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 93a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying highp vec2 sweep;\n" 94a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 95a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying highp vec2 sweep;\n" 96a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "varying vec2 ditherTexCoords;\n", 97ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 98ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main = 99ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n"; 100ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutTexCoords = 101ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " outTexCoords = texCoords;\n"; 102aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gVS_Main_OutTransformedTexCoords = 103aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy " outTexCoords = (mainTextureTransform * vec4(texCoords, 0.0, 1.0)).xy;\n"; 10442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gVS_Main_OutGradient[6] = { 105ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 106a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " linear = vec2((screenSpace * position).x, 0.5);\n" 107a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 108a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " linear = (screenSpace * position).x;\n" 109a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 110211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 111ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 112a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " circular = (screenSpace * position).xy;\n" 113a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 114a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " circular = (screenSpace * position).xy;\n" 115a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 116211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 117ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 118a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " sweep = (screenSpace * position).xy;\n" 119a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 120a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " sweep = (screenSpace * position).xy;\n" 121a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " ditherTexCoords = (gl_Position * ditherSize).xy;\n", 122ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 123889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Main_OutBitmapTexCoords = 124707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; 125ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyconst char* gVS_Main_OutPointBitmapTexCoords = 126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy " outPointBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; 127ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_Position = 128ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_Position = transform * position;\n"; 129ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyconst char* gVS_Main_PointSize = 130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy " gl_PointSize = pointSize;\n"; 13199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haaseconst char* gVS_Main_AA = 13299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase " widthProportion = vtxWidth;\n" 13399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase " lengthProportion = vtxLength;\n"; 1346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikconst char* gVS_Main_AARect = 1356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik " alpha = vtxAlpha;\n"; 136ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Footer = 137ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 138ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 139ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 140ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Fragment shaders snippets 141ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 142ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 143a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Header_Extension_FramebufferFetch = 144a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; 145aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gFS_Header_Extension_ExternalTexture = 146aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy "#extension GL_OES_EGL_image_external : require\n\n"; 147ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Header = 148ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "precision mediump float;\n\n"; 149ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_Color = 150ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 color;\n"; 15199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haaseconst char* gFS_Uniforms_AA = 1525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase "uniform float boundaryWidth;\n" 153a798b95a9ef328720febec72d01462cd97e3d4c7Chris Craik "uniform float boundaryLength;\n"; 154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyconst char* gFS_Header_Uniforms_PointHasBitmap = 155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy "uniform vec2 textureDimension;\n" 156ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy "uniform float pointSize;\n"; 157ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_TextureSampler = 158a938f569ce206c1ed68d736181016b5b708c0084Romain Guy "uniform sampler2D baseSampler;\n"; 159aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gFS_Uniforms_ExternalTextureSampler = 160a938f569ce206c1ed68d736181016b5b708c0084Romain Guy "uniform samplerExternalOES baseSampler;\n"; 161211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy#define FS_UNIFORMS_DITHER \ 162a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "uniform float ditherSizeSquared;\n" \ 163211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy "uniform sampler2D ditherSampler;\n" 164211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy#define FS_UNIFORMS_GRADIENT \ 165211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy "uniform vec4 startColor;\n" \ 166211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy "uniform vec4 endColor;\n" 16742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Uniforms_GradientSampler[6] = { 168ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 169211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER "uniform sampler2D gradientSampler;\n", 170211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER FS_UNIFORMS_GRADIENT, 171211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 172ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 173211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER "uniform sampler2D gradientSampler;\n", 174211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER FS_UNIFORMS_GRADIENT, 175211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 176ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 177211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER "uniform sampler2D gradientSampler;\n", 178211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy FS_UNIFORMS_DITHER FS_UNIFORMS_GRADIENT 179ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 180ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_BitmapSampler = 181ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D bitmapSampler;\n"; 182ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_ColorOp[4] = { 183ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 184ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 185ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 186ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 187ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 188ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 189db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingMul;\n" 190db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingAdd;\n", 191ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 192db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 193ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 1944121063313ac0d6f69f6253cac821d0c1c122086Romain Guyconst char* gFS_Uniforms_Gamma = 1954121063313ac0d6f69f6253cac821d0c1c122086Romain Guy "uniform float gamma;\n"; 1964121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 197ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 198ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 1997fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy " lowp vec4 fragColor;\n"; 200707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 201ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyconst char* gFS_Main_PointBitmapTexCoords = 20263553478130f78d44c8fbeaebc610e19925544a5Romain Guy " highp vec2 outBitmapTexCoords = outPointBitmapTexCoords + " 203ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy "((gl_PointCoord - vec2(0.5, 0.5)) * textureDimension * vec2(pointSize, pointSize));\n"; 204ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 205211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy#define FS_MAIN_DITHER \ 206a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase "texture2D(ditherSampler, ditherTexCoords).a * ditherSizeSquared" 207211efea7376371ee755edd2ad03e83ef6eea464eRomain Guyconst char* gFS_Main_AddDitherToGradient = 208211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy " gradientColor += " FS_MAIN_DITHER ";\n"; 209211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 210707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// Fast cases 211707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleColor = 212707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 213707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " gl_FragColor = color;\n" 214707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 215707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleTexture = 216707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 217a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" 218707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 219707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleModulateTexture = 220707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 221a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = color.a * texture2D(baseSampler, outTexCoords);\n" 222707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 223707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleA8Texture = 224707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 225a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" 226707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 2274121063313ac0d6f69f6253cac821d0c1c122086Romain Guyconst char* gFS_Fast_SingleA8Texture_ApplyGamma = 2284121063313ac0d6f69f6253cac821d0c1c122086Romain Guy "\nvoid main(void) {\n" 229a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = vec4(0.0, 0.0, 0.0, pow(texture2D(baseSampler, outTexCoords).a, gamma));\n" 2304121063313ac0d6f69f6253cac821d0c1c122086Romain Guy "}\n\n"; 231707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleModulateA8Texture = 232707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 233a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = color * texture2D(baseSampler, outTexCoords).a;\n" 234707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 2354121063313ac0d6f69f6253cac821d0c1c122086Romain Guyconst char* gFS_Fast_SingleModulateA8Texture_ApplyGamma = 2364121063313ac0d6f69f6253cac821d0c1c122086Romain Guy "\nvoid main(void) {\n" 237a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = color * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" 2384121063313ac0d6f69f6253cac821d0c1c122086Romain Guy "}\n\n"; 23942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Fast_SingleGradient[2] = { 240707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 241211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy " gl_FragColor = " FS_MAIN_DITHER " + texture2D(gradientSampler, linear);\n" 24242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n", 24342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "\nvoid main(void) {\n" 244211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy " gl_FragColor = " FS_MAIN_DITHER " + mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n" 24542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n" 24642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy}; 24742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Fast_SingleModulateGradient[2] = { 248707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 2491c5c206953d673f8424908c77c974c06d5b99a9cChet Haase " gl_FragColor = " FS_MAIN_DITHER " + color.a * texture2D(gradientSampler, linear);\n" 25042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n", 25142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "\nvoid main(void) {\n" 2521c5c206953d673f8424908c77c974c06d5b99a9cChet Haase " gl_FragColor = " FS_MAIN_DITHER " + color.a * mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n" 25342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n" 25442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy}; 255707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 256707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// General case 257ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 258ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 259740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guyconst char* gFS_Main_ModulateColor = 260740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy " fragColor *= color.a;\n"; 26199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haaseconst char* gFS_Main_AccountForAA = 262a798b95a9ef328720febec72d01462cd97e3d4c7Chris Craik " fragColor *= (1.0 - smoothstep(boundaryWidth, 0.5, abs(0.5 - widthProportion)))\n" 263a798b95a9ef328720febec72d01462cd97e3d4c7Chris Craik " * (1.0 - smoothstep(boundaryLength, 0.5, abs(0.5 - lengthProportion)));\n"; 2646ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikconst char* gFS_Main_AccountForAARect = 2656ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik " fragColor *= alpha;\n"; 266a798b95a9ef328720febec72d01462cd97e3d4c7Chris Craik 267707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Main_FetchTexture[2] = { 268707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 269a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 270707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 271a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords);\n" 272707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 273a938f569ce206c1ed68d736181016b5b708c0084Romain Guyconst char* gFS_Main_FetchA8Texture[4] = { 274707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 275a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 276a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 277707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 278a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords).a;\n", 279a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" 280707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 28142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Main_FetchGradient[6] = { 282ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 283320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, linear);\n", 284211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 285320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n", 286211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 287ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 288320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(length(circular), 0.5));\n", 289211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 290320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = mix(startColor, endColor, clamp(length(circular), 0.0, 1.0));\n", 291211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 292ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 29363553478130f78d44c8fbeaebc610e19925544a5Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 294320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n", 295211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 29642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 297320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = mix(startColor, endColor, clamp(index - floor(index), 0.0, 1.0));\n" 298ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 299ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 300ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; 301889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 302889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; 303ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 304ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 30506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 30606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 307a938f569ce206c1ed68d736181016b5b708c0084Romain Guyconst char* gFS_Main_BlendShaders_Modulate[6] = { 308707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 309707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy ";\n", 310a938f569ce206c1ed68d736181016b5b708c0084Romain Guy ";\n", 311707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3120990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " * color.a;\n", 3130990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " * color.a;\n", 314707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 315a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " * texture2D(baseSampler, outTexCoords).a;\n", 316a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" 317707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 318a938f569ce206c1ed68d736181016b5b708c0084Romain Guyconst char* gFS_Main_GradientShader_Modulate[6] = { 319707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 320707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = gradientColor;\n", 321a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = gradientColor;\n", 322707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3230990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = gradientColor * color.a;\n", 3240990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = gradientColor * color.a;\n", 325707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 326a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = gradientColor * texture2D(baseSampler, outTexCoords).a;\n", 327a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = gradientColor * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" 328707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 329a938f569ce206c1ed68d736181016b5b708c0084Romain Guyconst char* gFS_Main_BitmapShader_Modulate[6] = { 330707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 331707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = bitmapColor;\n", 332a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = bitmapColor;\n", 333707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3340990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = bitmapColor * color.a;\n", 3350990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = bitmapColor * color.a;\n", 336707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 337a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = bitmapColor * texture2D(baseSampler, outTexCoords).a;\n", 338a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = bitmapColor * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" 339707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 340ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 341ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 342a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Main_FragColor_Blend = 343a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; 344f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guyconst char* gFS_Main_FragColor_Blend_Swap = 345f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; 346ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_ApplyColorOp[4] = { 347ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 348ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 349ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 350db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // TODO: Fix premultiplied alpha computations for color matrix 351ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 352db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor += colorMatrixVector;\n" 353db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.rgb *= fragColor.a;\n", 354ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 355db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " float lightingAlpha = fragColor.a;\n" 356db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n" 357db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.a = lightingAlpha;\n", 358ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 359ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 360ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 361ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 362ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 363ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 364ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 365ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 366ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 367ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 36848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyconst char* gBlendOps[18] = { 369ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 370ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 371ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 372ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 373ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 374ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 375ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 37606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 377ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 37806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 379ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 38006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 381ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 38206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 383ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 38406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 385ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 38606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 387ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 388ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 389ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 390ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 391ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 39248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " 393ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 39448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Add 39548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return min(src + dst, 1.0);\n", 39648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Multiply 39748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src * dst;\n", 39848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Screen 39948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src + dst - src * dst;\n", 40048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Overlay 40148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return clamp(vec4(mix(" 40248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 40348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a * dst.a - 2.0 * (dst.a - dst.rgb) * (src.a - src.rgb) + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 40448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "step(dst.a, 2.0 * dst.rgb)), " 40548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", 40648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Darken 40748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 40848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 40948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Lighten 41048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 41148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 412ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 413ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 414ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 415ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 416ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 417ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 418ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::ProgramCache() { 419ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 420ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 421ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 422ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 423ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 424ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 425ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 426ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 427ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 428ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 429ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 43067f27952c1bcb2230beef9b5ca0bf42edad436a9Romain Guy PROGRAM_LOGD("Clearing program cache"); 43167f27952c1bcb2230beef9b5ca0bf42edad436a9Romain Guy 432ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy size_t count = mCache.size(); 433ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy for (size_t i = 0; i < count; i++) { 434ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy delete mCache.valueAt(i); 435ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 437ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 438ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 439ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 440ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 441ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ssize_t index = mCache.indexOfKey(key); 442ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = NULL; 443ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (index < 0) { 444ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.log("Could not find program"); 445ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 446ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.add(key, program); 447ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 448ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = mCache.valueAt(index); 449ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 450ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 451ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 452ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 453ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 454ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 455ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 456ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 457ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 458ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 459ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 460ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 46142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return new Program(description, vertexShader.string(), fragmentShader.string()); 46242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 46342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 46442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline size_t gradientIndex(const ProgramDescription& description) { 46542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return description.gradientType * 2 + description.isSimpleGradient; 466ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 467ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 468ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 469ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 470ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 shader(gVS_Header_Attributes); 471aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 472ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 473ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 4746ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik if (description.isAARect) { 4756ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik shader.append(gVS_Header_Attributes_AARectParameters); 4766ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik } else if (description.isAA) { 47799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase shader.append(gVS_Header_Attributes_AAParameters); 4785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 479ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 480ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 4818f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 482aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Header_Uniforms_TextureTransform); 483aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 484ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 485ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Uniforms_HasGradient[description.gradientType]); 486ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 487889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 488889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 489889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 490ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (description.isPoint) { 491ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(gVS_Header_Uniforms_IsPoint); 492ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 493ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 494aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 495ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 496ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 4976ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik if (description.isAARect) { 4986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik shader.append(gVS_Header_Varyings_IsAARect); 4996ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik } else if (description.isAA) { 50099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase shader.append(gVS_Header_Varyings_IsAA); 5015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 502ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 50342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 504ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 505ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 506ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(description.isPoint ? 50763553478130f78d44c8fbeaebc610e19925544a5Romain Guy gVS_Header_Varyings_PointHasBitmap : 50863553478130f78d44c8fbeaebc610e19925544a5Romain Guy gVS_Header_Varyings_HasBitmap); 509ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 510ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 511ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 512ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 5138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 514aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Main_OutTransformedTexCoords); 5158f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasTexture || description.hasExternalTexture) { 5168f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy shader.append(gVS_Main_OutTexCoords); 517aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 5186ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik if (description.isAARect) { 5196ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik shader.append(gVS_Main_AARect); 5206ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik } else if (description.isAA) { 52199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase shader.append(gVS_Main_AA); 5225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 523889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 524ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(description.isPoint ? 525ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy gVS_Main_OutPointBitmapTexCoords : 526ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy gVS_Main_OutBitmapTexCoords); 527ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 528ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (description.isPoint) { 529ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(gVS_Main_PointSize); 530889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 531ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 532ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 533a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase if (description.hasGradient) { 534a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase shader.append(gVS_Main_OutGradient[gradientIndex(description)]); 535a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase } 536ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 537ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 538ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 539ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 540ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 541ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 542ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 543ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 544ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 545a938f569ce206c1ed68d736181016b5b708c0084Romain Guystatic bool shaderOp(const ProgramDescription& description, String8& shader, 546a938f569ce206c1ed68d736181016b5b708c0084Romain Guy const int modulateOp, const char** snippets) { 547a938f569ce206c1ed68d736181016b5b708c0084Romain Guy int op = description.hasAlpha8Texture ? MODULATE_OP_MODULATE_A8 : modulateOp; 548a938f569ce206c1ed68d736181016b5b708c0084Romain Guy op = op * 2 + description.hasGammaCorrection; 549a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(snippets[op]); 550a938f569ce206c1ed68d736181016b5b708c0084Romain Guy return description.hasAlpha8Texture; 551a938f569ce206c1ed68d736181016b5b708c0084Romain Guy} 552a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 553ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 554a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy String8 shader; 555a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 556707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool blendFramebuffer = description.framebufferMode >= SkXfermode::kPlus_Mode; 557a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 558a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header_Extension_FramebufferFetch); 559a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 560aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasExternalTexture) { 561aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Header_Extension_ExternalTexture); 562aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 563a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 564a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header); 565ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 566ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 567aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 568ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 569ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 5706ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik if (description.isAARect) { 5716ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik shader.append(gVS_Header_Varyings_IsAARect); 5726ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik } else if (description.isAA) { 57399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase shader.append(gVS_Header_Varyings_IsAA); 5745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 575ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 57642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 577ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 578ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 579ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(description.isPoint ? 58063553478130f78d44c8fbeaebc610e19925544a5Romain Guy gVS_Header_Varyings_PointHasBitmap : 58163553478130f78d44c8fbeaebc610e19925544a5Romain Guy gVS_Header_Varyings_HasBitmap); 582ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 583ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 584ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 585707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy int modulateOp = MODULATE_OP_NO_MODULATE; 586aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleColor = !description.hasTexture && !description.hasExternalTexture && 587707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy !description.hasGradient && !description.hasBitmap; 588707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 589707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (description.modulate || singleColor) { 590707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Uniforms_Color); 591707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!singleColor) modulateOp = MODULATE_OP_MODULATE; 592707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 593ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 594ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 5958f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasExternalTexture) { 596aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Uniforms_ExternalTextureSampler); 597aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 59899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (description.isAA) { 59999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase shader.append(gFS_Uniforms_AA); 6005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 601ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 60242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Uniforms_GradientSampler[gradientIndex(description)]); 603ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 604ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (description.hasBitmap && description.isPoint) { 605ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(gFS_Header_Uniforms_PointHasBitmap); 606ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 6074121063313ac0d6f69f6253cac821d0c1c122086Romain Guy if (description.hasGammaCorrection) { 6084121063313ac0d6f69f6253cac821d0c1c122086Romain Guy shader.append(gFS_Uniforms_Gamma); 6094121063313ac0d6f69f6253cac821d0c1c122086Romain Guy } 610707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 611707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Optimization for common cases 61299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (!description.isAA && !blendFramebuffer && 6136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik description.colorOp == ProgramDescription::kColorNone && 6146ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik !description.isPoint && !description.isAARect) { 615707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy bool fast = false; 616707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 617707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool noShader = !description.hasGradient && !description.hasBitmap; 618aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleTexture = (description.hasTexture || description.hasExternalTexture) && 619707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy !description.hasAlpha8Texture && noShader; 620707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool singleA8Texture = description.hasTexture && 621707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.hasAlpha8Texture && noShader; 622aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleGradient = !description.hasTexture && !description.hasExternalTexture && 623707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.hasGradient && !description.hasBitmap && 624707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.gradientType == ProgramDescription::kGradientLinear; 625707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 626707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (singleColor) { 627707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleColor); 628707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 629707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleTexture) { 630707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 631707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleTexture); 632707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 633707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleModulateTexture); 634707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 635707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 636707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleA8Texture) { 637707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 6384121063313ac0d6f69f6253cac821d0c1c122086Romain Guy if (description.hasGammaCorrection) { 6394121063313ac0d6f69f6253cac821d0c1c122086Romain Guy shader.append(gFS_Fast_SingleA8Texture_ApplyGamma); 6404121063313ac0d6f69f6253cac821d0c1c122086Romain Guy } else { 6414121063313ac0d6f69f6253cac821d0c1c122086Romain Guy shader.append(gFS_Fast_SingleA8Texture); 6424121063313ac0d6f69f6253cac821d0c1c122086Romain Guy } 643707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 6444121063313ac0d6f69f6253cac821d0c1c122086Romain Guy if (description.hasGammaCorrection) { 6454121063313ac0d6f69f6253cac821d0c1c122086Romain Guy shader.append(gFS_Fast_SingleModulateA8Texture_ApplyGamma); 6464121063313ac0d6f69f6253cac821d0c1c122086Romain Guy } else { 6474121063313ac0d6f69f6253cac821d0c1c122086Romain Guy shader.append(gFS_Fast_SingleModulateA8Texture); 6484121063313ac0d6f69f6253cac821d0c1c122086Romain Guy } 649707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 650707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 651707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleGradient) { 652707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 65342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Fast_SingleGradient[description.isSimpleGradient]); 654707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 65542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Fast_SingleModulateGradient[description.isSimpleGradient]); 656707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 657707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 658707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 659707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 660707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (fast) { 661c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_PROGRAMS 662707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy PROGRAM_LOGD("*** Fast case:\n"); 663707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 664707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy printLongString(shader); 665c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 666707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 667707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy return shader; 668707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 669707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 670707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 671ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 672ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_BitmapSampler); 673ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 674ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_ColorOp[description.colorOp]); 675ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 676ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 677ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 67848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendShaders", description.shadersMode); 679ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 680ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.colorOp == ProgramDescription::kColorBlend) { 68148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendColors", description.colorMode); 682ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 683a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 684a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy generateBlend(shader, "blendFramebuffer", description.framebufferMode); 685a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 686889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.isBitmapNpot) { 687889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 688889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 689ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 690ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 691ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 692ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 693aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 694ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 695707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.hasGradient && !description.hasBitmap) { 696a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(gFS_Main_FetchA8Texture[modulateOp * 2 + 697a938f569ce206c1ed68d736181016b5b708c0084Romain Guy description.hasGammaCorrection]); 698707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 699ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 700707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchTexture[modulateOp]); 701ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 702ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 703a938f569ce206c1ed68d736181016b5b708c0084Romain Guy if (!description.hasGradient && !description.hasBitmap) { 704707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchColor); 705707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 706ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 707ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 70842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Main_FetchGradient[gradientIndex(description)]); 709211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy shader.append(gFS_Main_AddDitherToGradient); 710ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 711ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 712ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (description.isPoint) { 713ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy shader.append(gFS_Main_PointBitmapTexCoords); 714ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 715889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (!description.isBitmapNpot) { 716889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 717889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 718889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 719889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 720ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 721740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy bool applyModulate = false; 722ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 723ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 724ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 725ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 726ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 727ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 728ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 729a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 730a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BlendShaders_Modulate); 731889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 732889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 733a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 734a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_GradientShader_Modulate); 735889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 736a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 737a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BitmapShader_Modulate); 738889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 739ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 740a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 741740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (description.modulate && applyModulate) { 742a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(gFS_Main_ModulateColor); 743740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 744a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 745ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 746ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_ApplyColorOp[description.colorOp]); 7479f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 7489f44a13a125980fee92cdc76376063129f0eebc9Chris Craik if (description.isAARect) { 7499f44a13a125980fee92cdc76376063129f0eebc9Chris Craik shader.append(gFS_Main_AccountForAARect); 7509f44a13a125980fee92cdc76376063129f0eebc9Chris Craik } else if (description.isAA) { 7519f44a13a125980fee92cdc76376063129f0eebc9Chris Craik shader.append(gFS_Main_AccountForAA); 7529f44a13a125980fee92cdc76376063129f0eebc9Chris Craik } 7539f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 754ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 755a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!blendFramebuffer) { 756a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Main_FragColor); 757a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 758f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy shader.append(!description.swapSrcDst ? 759f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); 760a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 761ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 762ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 763ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 764ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 765c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_PROGRAMS 766db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 767db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 768c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 769db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 770ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 771ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 772ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 77348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyvoid ProgramCache::generateBlend(String8& shader, const char* name, SkXfermode::Mode mode) { 774ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 775ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 776ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 777ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 77848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy shader.append(gBlendOps[mode]); 779ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 780ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 781ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 782889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 78363553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append("\nhighp vec2 wrap(highp vec2 texCoords) {\n"); 784889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 78563553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float xMod2 = mod(texCoords.x, 2.0);\n"); 786889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 787889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 788889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 78963553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float yMod2 = mod(texCoords.y, 2.0);\n"); 790889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 791889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 792889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 793889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 79461c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 79561c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.x"); 79661c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 797889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 798889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 799889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 800889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 801889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 802889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 803889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 804889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 805889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 80661c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 80761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.y"); 80861c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 809889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 810889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 811889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 812889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 813889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 814889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 815889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 816889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 817889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 818889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 819889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 820db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 821db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 822db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 823db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 824db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 825db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 826db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 827db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("%s", line.string()); 828db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 829db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 830db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 831db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 832db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 833db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 834ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 835ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 836