ProgramCache.cpp revision 554ffeb8b7c836da43a637c59eedfc617895b19d
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#include <utils/String8.h> 18ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 19a60c3889718f4513a6c9d8b80f655db5d6346905Romain Guy#include "Caches.h" 20ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include "ProgramCache.h" 21253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy#include "Properties.h" 22ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 23ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace android { 24ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace uirenderer { 25ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 26ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 27707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// Defines 28707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy/////////////////////////////////////////////////////////////////////////////// 29707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 30707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_NO_MODULATE 0 31707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_MODULATE 1 32707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy#define MODULATE_OP_MODULATE_A8 2 33707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 34b48800428906ae455c2b63acacd44e390e1fee49Romain Guy#define STR(x) STR1(x) 35b48800428906ae455c2b63acacd44e390e1fee49Romain Guy#define STR1(x) #x 36b48800428906ae455c2b63acacd44e390e1fee49Romain Guy 37707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy/////////////////////////////////////////////////////////////////////////////// 38ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Vertex shaders snippets 39ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 40ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 418bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craikconst char* gVS_Header_Start = 428bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik "#version 100\n" 43ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec4 position;\n"; 44ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Attributes_TexCoords = 45ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec2 texCoords;\n"; 46ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyconst char* gVS_Header_Attributes_Colors = 47ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy "attribute vec4 colors;\n"; 4891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gVS_Header_Attributes_VertexAlphaParameters = 496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik "attribute float vtxAlpha;\n"; 50aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gVS_Header_Uniforms_TextureTransform = 51aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy "uniform mat4 mainTextureTransform;\n"; 52ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Uniforms = 5339284b763a09688468ed3799ebd2ebb76ea5dfd5Romain Guy "uniform mat4 projection;\n" \ 54ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 transform;\n"; 55b48800428906ae455c2b63acacd44e390e1fee49Romain Guyconst char* gVS_Header_Uniforms_HasGradient = 56b48800428906ae455c2b63acacd44e390e1fee49Romain Guy "uniform mat4 screenSpace;\n"; 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Header_Uniforms_HasBitmap = 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform mat4 textureTransform;\n" 5980bbfb19eefe3cb9be8833b136381cece069e24dRomain Guy "uniform mediump vec2 textureDimension;\n"; 60deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gVS_Header_Uniforms_HasRoundRectClip = 61deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik "uniform mat4 roundRectInvTransform;\n"; 62ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasTexture = 63ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outTexCoords;\n"; 64ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyconst char* gVS_Header_Varyings_HasColors = 65ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy "varying vec4 outColors;\n"; 6691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gVS_Header_Varyings_HasVertexAlpha = 676ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik "varying float alpha;\n"; 6863553478130f78d44c8fbeaebc610e19925544a5Romain Guyconst char* gVS_Header_Varyings_HasBitmap = 6963553478130f78d44c8fbeaebc610e19925544a5Romain Guy "varying highp vec2 outBitmapTexCoords;\n"; 7042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gVS_Header_Varyings_HasGradient[6] = { 71ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 72253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying highp vec2 linear;\n", 73253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying float linear;\n", 74211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 75ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 76253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying highp vec2 circular;\n", 77253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying highp vec2 circular;\n", 78211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 79ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 80253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying highp vec2 sweep;\n", 81253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "varying highp vec2 sweep;\n", 82ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 83deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gVS_Header_Varyings_HasRoundRectClip = 8468a73e8700c3bb30395e4ebf1b6e5a9b81699a5aChris Craik "varying highp vec2 roundRectPos;\n"; 85ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main = 86ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n"; 87ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutTexCoords = 88ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " outTexCoords = texCoords;\n"; 89ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyconst char* gVS_Main_OutColors = 90ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy " outColors = colors;\n"; 91aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gVS_Main_OutTransformedTexCoords = 92aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy " outTexCoords = (mainTextureTransform * vec4(texCoords, 0.0, 1.0)).xy;\n"; 9342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gVS_Main_OutGradient[6] = { 94ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 95253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " linear = vec2((screenSpace * position).x, 0.5);\n", 96253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " linear = (screenSpace * position).x;\n", 97211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 98ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 99253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " circular = (screenSpace * position).xy;\n", 100253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " circular = (screenSpace * position).xy;\n", 101211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 102ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 103253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " sweep = (screenSpace * position).xy;\n", 104a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase " sweep = (screenSpace * position).xy;\n" 105ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 106889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Main_OutBitmapTexCoords = 107707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; 108ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_Position = 109deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " vec4 transformedPosition = projection * transform * position;\n" 110deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " gl_Position = transformedPosition;\n"; 111bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik 11291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gVS_Main_VertexAlpha = 1136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik " alpha = vtxAlpha;\n"; 114bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik 115deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gVS_Main_HasRoundRectClip = 116deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " roundRectPos = (roundRectInvTransform * transformedPosition).xy;\n"; 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Footer = 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 121ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Fragment shaders snippets 122ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 123ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 1248bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craikconst char* gFS_Header_Start = 1258bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik "#version 100\n"; 126a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Header_Extension_FramebufferFetch = 127a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; 128aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gFS_Header_Extension_ExternalTexture = 129aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy "#extension GL_OES_EGL_image_external : require\n\n"; 130ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Header = 131ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "precision mediump float;\n\n"; 132ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_Color = 133ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 color;\n"; 134ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_TextureSampler = 135a938f569ce206c1ed68d736181016b5b708c0084Romain Guy "uniform sampler2D baseSampler;\n"; 136aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyconst char* gFS_Uniforms_ExternalTextureSampler = 137a938f569ce206c1ed68d736181016b5b708c0084Romain Guy "uniform samplerExternalOES baseSampler;\n"; 138b48800428906ae455c2b63acacd44e390e1fee49Romain Guyconst char* gFS_Uniforms_GradientSampler[2] = { 139253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "uniform vec2 screenSize;\n" 140b48800428906ae455c2b63acacd44e390e1fee49Romain Guy "uniform sampler2D gradientSampler;\n", 141253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 142253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "uniform vec2 screenSize;\n" 143b48800428906ae455c2b63acacd44e390e1fee49Romain Guy "uniform vec4 startColor;\n" 144211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy "uniform vec4 endColor;\n" 145ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 146ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_BitmapSampler = 147ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D bitmapSampler;\n"; 14876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerconst char* gFS_Uniforms_ColorOp[3] = { 149ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 150ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 151ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 152ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 153ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 154ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 155db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 156ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 1574121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 158deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gFS_Uniforms_HasRoundRectClip = 159deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik "uniform vec4 roundRectInnerRectLTRB;\n" 160deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik "uniform float roundRectRadius;\n"; 161deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 162253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// Dithering must be done in the quantization space 163253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// When we are writing to an sRGB framebuffer, we must do the following: 164253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// EOCF(OECF(color) + dither) 165253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// We approximate the transfer functions with gamma 2.0 to avoid branches and pow() 1668762e332e3797fb41929a1c6069207f4906ca329Romain Guy// The dithering pattern is generated with a triangle noise generator in the range [-0.0,1.0] 167253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// TODO: Handle linear fp16 render targets 1688762e332e3797fb41929a1c6069207f4906ca329Romain Guyconst char* gFS_Gradient_Functions = 1698762e332e3797fb41929a1c6069207f4906ca329Romain Guy "\nfloat triangleNoise(const highp vec2 n) {\n" 170253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " highp vec2 p = fract(n * vec2(5.3987, 5.4421));\n" 171253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " p += dot(p.yx, p.xy + vec2(21.5351, 14.3137));\n" 172253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " highp float xy = p.x * p.y;\n" 1738762e332e3797fb41929a1c6069207f4906ca329Romain Guy " return fract(xy * 95.4307) + fract(xy * 75.04961) - 1.0;\n" 174253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n"; 1758762e332e3797fb41929a1c6069207f4906ca329Romain Guyconst char* gFS_Gradient_Preamble[2] = { 176253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy // Linear framebuffer 177253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvec4 dither(const vec4 color) {\n" 178253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " return vec4(color.rgb + (triangleNoise(gl_FragCoord.xy * screenSize.xy) / 255.0), color.a);" 1798762e332e3797fb41929a1c6069207f4906ca329Romain Guy "}\n" 1808762e332e3797fb41929a1c6069207f4906ca329Romain Guy "\nvec4 gammaMix(const vec4 a, const vec4 b, float v) {\n" 1818762e332e3797fb41929a1c6069207f4906ca329Romain Guy " return pow(mix(a, b, v), vec4(vec3(1.0 / 2.2), 1.0));" 182253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n", 183253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy // sRGB framebuffer 184253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvec4 dither(const vec4 color) {\n" 185253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " vec3 dithered = sqrt(color.rgb) + (triangleNoise(gl_FragCoord.xy * screenSize.xy) / 255.0);\n" 186253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " return vec4(dithered * dithered, color.a);\n" 187253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n" 1888762e332e3797fb41929a1c6069207f4906ca329Romain Guy "\nvec4 gammaMix(const vec4 a, const vec4 b, float v) {\n" 1898762e332e3797fb41929a1c6069207f4906ca329Romain Guy " return mix(a, b, v);" 1908762e332e3797fb41929a1c6069207f4906ca329Romain Guy "}\n" 191253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy}; 192253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 193253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// Uses luminance coefficients from Rec.709 to choose the appropriate gamma 194253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The gamma() function assumes that bright text will be displayed on a dark 195253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// background and that dark text will be displayed on bright background 196253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The gamma coefficient is chosen to thicken or thin the text accordingly 197253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The dot product used to compute the luminance could be approximated with 198253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// a simple max(color.r, color.g, color.b) 199253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Gamma_Preamble = 200253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\n#define GAMMA (%.2f)\n" 201253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "#define GAMMA_INV (%.2f)\n" 202253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nfloat gamma(float a, const vec3 color) {\n" 203253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " float luminance = dot(color, vec3(0.2126, 0.7152, 0.0722));\n" 204253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " return pow(a, luminance < 0.5 ? GAMMA_INV : GAMMA);\n" 205253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n"; 206253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 207ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 208ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 209253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " vec4 fragColor;\n"; 210707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 211253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_AddDither = 212253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = dither(fragColor);\n"; 213211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 214707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// Fast cases 215707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleColor = 216707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 217707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " gl_FragColor = color;\n" 218707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 219707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleTexture = 220707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 221a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" 222707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 223707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleModulateTexture = 224707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 225a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = color.a * texture2D(baseSampler, outTexCoords);\n" 226707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 227707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleA8Texture = 228707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 229a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" 230707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 231253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Fast_SingleA8Texture_ApplyGamma = 232253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvoid main(void) {\n" 233253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " gl_FragColor = vec4(0.0, 0.0, 0.0, pow(texture2D(baseSampler, outTexCoords).a, GAMMA));\n" 234253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n\n"; 235707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Fast_SingleModulateA8Texture = 236707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 237a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " gl_FragColor = color * texture2D(baseSampler, outTexCoords).a;\n" 238707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "}\n\n"; 239253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Fast_SingleModulateA8Texture_ApplyGamma = 240253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvoid main(void) {\n" 241253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " gl_FragColor = color * gamma(texture2D(baseSampler, outTexCoords).a, color.rgb);\n" 242253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n\n"; 24342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Fast_SingleGradient[2] = { 244707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 245253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " gl_FragColor = dither(texture2D(gradientSampler, linear));\n" 24642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n", 24742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "\nvoid main(void) {\n" 2488762e332e3797fb41929a1c6069207f4906ca329Romain Guy " gl_FragColor = dither(gammaMix(startColor, endColor, clamp(linear, 0.0, 1.0)));\n" 249b48800428906ae455c2b63acacd44e390e1fee49Romain Guy "}\n\n", 25042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy}; 25142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Fast_SingleModulateGradient[2] = { 252707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy "\nvoid main(void) {\n" 253253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " gl_FragColor = dither(color.a * texture2D(gradientSampler, linear));\n" 25442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n", 25542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "\nvoid main(void) {\n" 2568762e332e3797fb41929a1c6069207f4906ca329Romain Guy " gl_FragColor = dither(color.a * gammaMix(startColor, endColor, clamp(linear, 0.0, 1.0)));\n" 25742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy "}\n\n" 25842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy}; 259707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 260707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// General case 261ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 262ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 263740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guyconst char* gFS_Main_ModulateColor = 264740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy " fragColor *= color.a;\n"; 26591a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gFS_Main_ApplyVertexAlphaLinearInterp = 2666ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik " fragColor *= alpha;\n"; 26791a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gFS_Main_ApplyVertexAlphaShadowInterp = 268138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik // map alpha through shadow alpha sampler 269138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik " fragColor *= texture2D(baseSampler, vec2(alpha, 0.5)).a;\n"; 270707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Main_FetchTexture[2] = { 271707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 272a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 273707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 274a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords);\n" 275707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 276253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_FetchA8Texture[4] = { 277707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 278a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 279253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 280707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 281a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords).a;\n", 282253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = color * gamma(texture2D(baseSampler, outTexCoords).a, color.rgb);\n", 283707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 28442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Main_FetchGradient[6] = { 285ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 286320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, linear);\n", 287211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 2888762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(linear, 0.0, 1.0));\n", 289211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 290ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 291320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(length(circular), 0.5));\n", 292211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 2938762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(length(circular), 0.0, 1.0));\n", 294211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 295ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 29663553478130f78d44c8fbeaebc610e19925544a5Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 297320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n", 298211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 29942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 3008762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(index - floor(index), 0.0, 1.0));\n" 301ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 302ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 303ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; 304889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 305889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; 306ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 307ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 30806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 30906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 310253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_BlendShaders_Modulate[6] = { 311707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 312707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy ";\n", 313253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy ";\n", 314707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3150990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " * color.a;\n", 316253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " * color.a;\n", 317707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 318a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " * texture2D(baseSampler, outTexCoords).a;\n", 319253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " * gamma(texture2D(baseSampler, outTexCoords).a, color.rgb);\n", 320707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 321253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_GradientShader_Modulate[6] = { 322707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 323707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = gradientColor;\n", 324253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor;\n", 325707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3260990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = gradientColor * color.a;\n", 327253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor * color.a;\n", 328707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 329a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = gradientColor * texture2D(baseSampler, outTexCoords).a;\n", 330253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor * gamma(texture2D(baseSampler, outTexCoords).a, gradientColor.rgb);\n", 331707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 332253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_BitmapShader_Modulate[6] = { 333707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 334707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = bitmapColor;\n", 335253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor;\n", 336707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3370990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = bitmapColor * color.a;\n", 338253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor * color.a;\n", 339707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 340a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = bitmapColor * texture2D(baseSampler, outTexCoords).a;\n", 341253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor * gamma(texture2D(baseSampler, outTexCoords).a, bitmapColor.rgb);\n", 342707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 343ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 344ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 345ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyconst char* gFS_Main_FragColor_HasColors = 346ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy " gl_FragColor *= outColors;\n"; 347a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Main_FragColor_Blend = 348a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; 349f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guyconst char* gFS_Main_FragColor_Blend_Swap = 350f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; 35176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerconst char* gFS_Main_ApplyColorOp[3] = { 352ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 353ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 354ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 35573821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor.rgb /= (fragColor.a + 0.0019);\n" // un-premultiply 356ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 35773821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor += colorMatrixVector;\n" 35873821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor.rgb *= (fragColor.a + 0.0019);\n", // re-premultiply 359ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 360ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 361ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 362deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 363deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik// Note: LTRB -> xyzw 364deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gFS_Main_FragColor_HasRoundRectClip = 365deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " mediump vec2 fragToLT = roundRectInnerRectLTRB.xy - roundRectPos;\n" 366deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " mediump vec2 fragFromRB = roundRectPos - roundRectInnerRectLTRB.zw;\n" 367f99f320dc79e290a89d668243b6d77c3442b36abChris Craik 368f99f320dc79e290a89d668243b6d77c3442b36abChris Craik // divide + multiply by 128 to avoid falling out of range in length() function 369f99f320dc79e290a89d668243b6d77c3442b36abChris Craik " mediump vec2 dist = max(max(fragToLT, fragFromRB), vec2(0.0, 0.0)) / 128.0;\n" 370f99f320dc79e290a89d668243b6d77c3442b36abChris Craik " mediump float linearDist = roundRectRadius - (length(dist) * 128.0);\n" 371deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " gl_FragColor *= clamp(linearDist, 0.0, 1.0);\n"; 372deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3733ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guyconst char* gFS_Main_DebugHighlight = 3743ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy " gl_FragColor.rgb = vec3(0.0, gl_FragColor.a, 0.0);\n"; 375ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 376ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 377ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 378ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 379ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 380ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 381ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 38248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyconst char* gBlendOps[18] = { 383ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 384ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 385ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 386ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 387ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 388ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 389ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 39006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 391ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 39206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 393ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 39406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 395ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 39606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 397ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 39806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 399ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 40006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 401ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 402ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 403ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 404ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 405ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 40648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " 407ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 408c0bf700441e1b53f1693d7445dc6f9876f5c9b4fDerek Sollenberger // Plus 40948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return min(src + dst, 1.0);\n", 410c0bf700441e1b53f1693d7445dc6f9876f5c9b4fDerek Sollenberger // Modulate 41148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src * dst;\n", 41248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Screen 41348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src + dst - src * dst;\n", 41448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Overlay 41548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return clamp(vec4(mix(" 41648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 41748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain 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), " 41848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "step(dst.a, 2.0 * dst.rgb)), " 41948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", 42048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Darken 42148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 42248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 42348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Lighten 42448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 42548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 426ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 427ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 428ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 429ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 430ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 431ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 432117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris CraikProgramCache::ProgramCache(Extensions& extensions) 433253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy : mHasES3(extensions.getMajorGlVersion() >= 3) 434253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy , mHasSRGB(extensions.hasSRGB()) { 435ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 437ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 438ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 439ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 440ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 441ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 442ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 443ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 444ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 445ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 44667f27952c1bcb2230beef9b5ca0bf42edad436a9Romain Guy PROGRAM_LOGD("Clearing program cache"); 447ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 448ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 449ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 450ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 451ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 452096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik if (key == (PROGRAM_KEY_TEXTURE | PROGRAM_KEY_A8_TEXTURE)) { 453096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik // program for A8, unmodulated, texture w/o shader (black text/path textures) is equivalent 454096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik // to standard texture program (bitmaps, patches). Consider them equivalent. 455096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik key = PROGRAM_KEY_TEXTURE; 456096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik } 457096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik 45851d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik auto iter = mCache.find(key); 459d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik Program* program = nullptr; 46051d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik if (iter == mCache.end()) { 461ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.log("Could not find program"); 462ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 46351d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik mCache[key] = std::unique_ptr<Program>(program); 464ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 46551d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik program = iter->second.get(); 466ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 467ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 468ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 469ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 470ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 471ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 472ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 473ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 47464bb413a664001c95c8439cf097dc3033f4ed733Andreas GampeProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 475ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 476ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 477ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 47842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return new Program(description, vertexShader.string(), fragmentShader.string()); 47942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 48042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 48142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline size_t gradientIndex(const ProgramDescription& description) { 48242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return description.gradientType * 2 + description.isSimpleGradient; 483ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 484ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 485ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 486ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 4878bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik String8 shader(gVS_Header_Start); 488aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 489ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 490ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 49191a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 49291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Attributes_VertexAlphaParameters); 4935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 494ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 495ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Attributes_Colors); 496ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 497ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 498ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 4998f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 500aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Header_Uniforms_TextureTransform); 501aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 502ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 503b48800428906ae455c2b63acacd44e390e1fee49Romain Guy shader.append(gVS_Header_Uniforms_HasGradient); 504ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 505889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 506889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 507889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 508deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 509deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Uniforms_HasRoundRectClip); 510deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 511ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 512aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 513ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 514ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 51591a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 51691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Varyings_HasVertexAlpha); 5175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 518ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 519ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Varyings_HasColors); 520ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 521ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 52242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 523ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 524ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 5256d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Header_Varyings_HasBitmap); 526ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 527deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 528deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Varyings_HasRoundRectClip); 529deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 530ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 531ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 532ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 5338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 534aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Main_OutTransformedTexCoords); 5358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasTexture || description.hasExternalTexture) { 5368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy shader.append(gVS_Main_OutTexCoords); 537aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 53891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 53991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Main_VertexAlpha); 5405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 541ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 542ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Main_OutColors); 543ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 544889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 5456d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Main_OutBitmapTexCoords); 546889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 547ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 548ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 549a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase if (description.hasGradient) { 550a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase shader.append(gVS_Main_OutGradient[gradientIndex(description)]); 551a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase } 552deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 553deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Main_HasRoundRectClip); 554deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 555ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 556ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 557ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 558ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 559ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 560ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 561ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 562ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 563ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 564a938f569ce206c1ed68d736181016b5b708c0084Romain Guystatic bool shaderOp(const ProgramDescription& description, String8& shader, 565a938f569ce206c1ed68d736181016b5b708c0084Romain Guy const int modulateOp, const char** snippets) { 566a938f569ce206c1ed68d736181016b5b708c0084Romain Guy int op = description.hasAlpha8Texture ? MODULATE_OP_MODULATE_A8 : modulateOp; 567253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy op = op * 2 + description.hasGammaCorrection; 568a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(snippets[op]); 569a938f569ce206c1ed68d736181016b5b708c0084Romain Guy return description.hasAlpha8Texture; 570a938f569ce206c1ed68d736181016b5b708c0084Romain Guy} 571a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 572ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 5738bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik String8 shader(gFS_Header_Start); 574a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 575c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed const bool blendFramebuffer = description.framebufferMode >= SkBlendMode::kPlus; 576a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 577a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header_Extension_FramebufferFetch); 578a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 579aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasExternalTexture) { 580aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Header_Extension_ExternalTexture); 581aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 582a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 583a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header); 584ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 585ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 586aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 587ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 588ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 58991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 59091a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Varyings_HasVertexAlpha); 5915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 592ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 593ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Varyings_HasColors); 594ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 595ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 59642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 597ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 598ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 5996d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Header_Varyings_HasBitmap); 600ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 601deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 602deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Varyings_HasRoundRectClip); 603deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 604ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 605ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 606707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy int modulateOp = MODULATE_OP_NO_MODULATE; 607aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleColor = !description.hasTexture && !description.hasExternalTexture && 608707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy !description.hasGradient && !description.hasBitmap; 609707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 610707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (description.modulate || singleColor) { 611707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Uniforms_Color); 612707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!singleColor) modulateOp = MODULATE_OP_MODULATE; 613707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 614138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik if (description.hasTexture || description.useShadowAlphaInterp) { 615ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 6168f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasExternalTexture) { 617aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Uniforms_ExternalTextureSampler); 618aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 619ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 620253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Uniforms_GradientSampler[description.isSimpleGradient]); 621ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 622deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 623deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gFS_Uniforms_HasRoundRectClip); 624deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 625707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 626253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGammaCorrection) { 627253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.appendFormat(gFS_Gamma_Preamble, Properties::textGamma, 1.0f / Properties::textGamma); 628253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 629253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 630707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Optimization for common cases 63191a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (!description.hasVertexAlpha 632deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik && !blendFramebuffer 633deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik && !description.hasColors 634b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik && description.colorOp == ProgramDescription::ColorFilterMode::None 635deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik && !description.hasDebugHighlight 636deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik && !description.hasRoundRectClip) { 637707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy bool fast = false; 638707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 639707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool noShader = !description.hasGradient && !description.hasBitmap; 640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleTexture = (description.hasTexture || description.hasExternalTexture) && 641707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy !description.hasAlpha8Texture && noShader; 642707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool singleA8Texture = description.hasTexture && 643707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.hasAlpha8Texture && noShader; 644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleGradient = !description.hasTexture && !description.hasExternalTexture && 645707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.hasGradient && !description.hasBitmap && 646707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy description.gradientType == ProgramDescription::kGradientLinear; 647707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 648707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (singleColor) { 649707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleColor); 650707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 651707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleTexture) { 652707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 653707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleTexture); 654707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 655707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Fast_SingleModulateTexture); 656707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 657707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 658707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleA8Texture) { 659707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 660253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGammaCorrection) { 661253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleA8Texture_ApplyGamma); 662253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } else { 663253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleA8Texture); 664253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 665707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 666253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGammaCorrection) { 667253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleModulateA8Texture_ApplyGamma); 668253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } else { 669253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleModulateA8Texture); 670253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 671707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 672707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 673707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else if (singleGradient) { 6748762e332e3797fb41929a1c6069207f4906ca329Romain Guy shader.append(gFS_Gradient_Functions); 6758762e332e3797fb41929a1c6069207f4906ca329Romain Guy shader.append(gFS_Gradient_Preamble[mHasSRGB]); 676707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.modulate) { 677253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleGradient[description.isSimpleGradient]); 678707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } else { 679253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Fast_SingleModulateGradient[description.isSimpleGradient]); 680707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 681707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy fast = true; 682707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 683707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 684707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (fast) { 685c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_PROGRAMS 686707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy PROGRAM_LOGD("*** Fast case:\n"); 687707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 688707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy printLongString(shader); 689c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 690707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 691707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy return shader; 692707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 693707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 694707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 695ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 696ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_BitmapSampler); 697ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 698b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik shader.append(gFS_Uniforms_ColorOp[static_cast<int>(description.colorOp)]); 699ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 700ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 701ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 70248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendShaders", description.shadersMode); 703ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 704b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik if (description.colorOp == ProgramDescription::ColorFilterMode::Blend) { 70548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendColors", description.colorMode); 706ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 707a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 708a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy generateBlend(shader, "blendFramebuffer", description.framebufferMode); 709a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 710554ffeb8b7c836da43a637c59eedfc617895b19dsergeyv if (description.useShaderBasedWrap) { 711889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 712889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 713253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGradient) { 7148762e332e3797fb41929a1c6069207f4906ca329Romain Guy shader.append(gFS_Gradient_Functions); 7158762e332e3797fb41929a1c6069207f4906ca329Romain Guy shader.append(gFS_Gradient_Preamble[mHasSRGB]); 716253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 717ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 718ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 719ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 720ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 721aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 722ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 723707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.hasGradient && !description.hasBitmap) { 724253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append( 725253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy gFS_Main_FetchA8Texture[modulateOp * 2 + description.hasGammaCorrection]); 726707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 727ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 728707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchTexture[modulateOp]); 729ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 730ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 731a938f569ce206c1ed68d736181016b5b708c0084Romain Guy if (!description.hasGradient && !description.hasBitmap) { 732707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchColor); 733707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 734ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 735ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 73642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Main_FetchGradient[gradientIndex(description)]); 737ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 738ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 739554ffeb8b7c836da43a637c59eedfc617895b19dsergeyv if (!description.useShaderBasedWrap) { 740889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 741889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 742889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 743889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 744ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 745740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy bool applyModulate = false; 746ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 747ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 748ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 749ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 750ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 751ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 752ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 753a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 754a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BlendShaders_Modulate); 755889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 756889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 757a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 758a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_GradientShader_Modulate); 759889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 760a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 761a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BitmapShader_Modulate); 762889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 763ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 764a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 765740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (description.modulate && applyModulate) { 766a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(gFS_Main_ModulateColor); 767740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 768a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 769ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 770b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik shader.append(gFS_Main_ApplyColorOp[static_cast<int>(description.colorOp)]); 7719f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 77291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 77391a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.useShadowAlphaInterp) { 77491a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gFS_Main_ApplyVertexAlphaShadowInterp); 775bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik } else { 77691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gFS_Main_ApplyVertexAlphaLinearInterp); 777bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik } 7789f44a13a125980fee92cdc76376063129f0eebc9Chris Craik } 7799f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 780253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGradient) { 781253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Main_AddDither); 782253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 783253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 784ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 785a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!blendFramebuffer) { 786a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Main_FragColor); 787a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 788f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy shader.append(!description.swapSrcDst ? 789f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); 790a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 791ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 792ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gFS_Main_FragColor_HasColors); 793ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 794deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 795deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gFS_Main_FragColor_HasRoundRectClip); 796deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 7973ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (description.hasDebugHighlight) { 7983ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy shader.append(gFS_Main_DebugHighlight); 7993ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 800ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 801ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 802ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 803ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 804c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_PROGRAMS 805db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 806db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 807c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 808db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 809ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 810ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 811ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 812c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reedvoid ProgramCache::generateBlend(String8& shader, const char* name, SkBlendMode mode) { 813ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 814ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 815ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 816ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 817c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed shader.append(gBlendOps[(int)mode]); 818ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 819ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 820ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 821889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 82263553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append("\nhighp vec2 wrap(highp vec2 texCoords) {\n"); 823889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 82463553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float xMod2 = mod(texCoords.x, 2.0);\n"); 825889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 826889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 827889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 82863553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float yMod2 = mod(texCoords.y, 2.0);\n"); 829889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 830889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 831889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 832889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 83361c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 83461c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.x"); 83561c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 836889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 837889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 838889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 839889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 840889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 841889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 842889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 843889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 844889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 84561c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 84661c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.y"); 84761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 848889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 849889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 850889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 851889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 852889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 853889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 854889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 855889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 856889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 857889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 858889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 859db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 860db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 861db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 862db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 863db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 864db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 865db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 8661c1c3fe9ebde8f911da65d49bdb91af583453dc6Chris Craik ALOGD("%s", line.string()); 867db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 868db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 869db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 870db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 871db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 872db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 873ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 874ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 875