ProgramCache.cpp revision 0d86d7ebc2b83f0bdd28bb99e57289215947f2e0
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"; 1489c97e48fbe389180b4b64845f093c53c92c374f3sergeyvconst char* gFS_Uniforms_BitmapExternalSampler = 1499c97e48fbe389180b4b64845f093c53c92c374f3sergeyv "uniform samplerExternalOES bitmapSampler;\n"; 15076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerconst char* gFS_Uniforms_ColorOp[3] = { 151ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 152ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 153ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 154ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 155ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 156ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 157db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 158ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 1594121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 160deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gFS_Uniforms_HasRoundRectClip = 161deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik "uniform vec4 roundRectInnerRectLTRB;\n" 162deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik "uniform float roundRectRadius;\n"; 163deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 164636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guyconst char* gFS_OETF[2] = { 165636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy "\nvec4 OETF(const vec4 linear) {\n" 166636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " return linear;\n" 167636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy "}\n", 168636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy // We expect linear data to be scRGB so we mirror the gamma function 169636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy "\nvec4 OETF(const vec4 linear) {" 170636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " return vec4(sign(linear.rgb) * OETF_sRGB(abs(linear.rgb)), linear.a);\n" 171636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy "}\n", 172636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy}; 173636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy 174636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guyconst char* gFS_Transfer_Functions = R"__SHADER__( 175636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy float OETF_sRGB(const float linear) { 176636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy // IEC 61966-2-1:1999 177636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy return linear <= 0.0031308 ? linear * 12.92 : (pow(linear, 1.0 / 2.4) * 1.055) - 0.055; 178636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy } 179636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy 180636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy vec3 OETF_sRGB(const vec3 linear) { 181636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy return vec3(OETF_sRGB(linear.r), OETF_sRGB(linear.g), OETF_sRGB(linear.b)); 182636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy } 183636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy 184636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy float EOTF_sRGB(float srgb) { 185636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy // IEC 61966-2-1:1999 186636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy return srgb <= 0.04045 ? srgb / 12.92 : pow((srgb + 0.055) / 1.055, 2.4); 187636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy } 188636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy)__SHADER__"; 189636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy 190253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// Dithering must be done in the quantization space 191253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// When we are writing to an sRGB framebuffer, we must do the following: 192636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy// EOTF(OETF(color) + dither) 1930d86d7ebc2b83f0bdd28bb99e57289215947f2e0Romain Guy// The dithering pattern is generated with a triangle noise generator in the range [-1.0,1.0] 194253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// TODO: Handle linear fp16 render targets 1959fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guyconst char* gFS_Gradient_Functions = R"__SHADER__( 1969fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy float triangleNoise(const highp vec2 n) { 1979fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy highp vec2 p = fract(n * vec2(5.3987, 5.4421)); 1989fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy p += dot(p.yx, p.xy + vec2(21.5351, 14.3137)); 1999fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy highp float xy = p.x * p.y; 2009fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy return fract(xy * 95.4307) + fract(xy * 75.04961) - 1.0; 2019fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy } 2029fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy)__SHADER__"; 2038762e332e3797fb41929a1c6069207f4906ca329Romain Guyconst char* gFS_Gradient_Preamble[2] = { 204253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy // Linear framebuffer 205253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvec4 dither(const vec4 color) {\n" 2060d86d7ebc2b83f0bdd28bb99e57289215947f2e0Romain Guy " return color + (triangleNoise(gl_FragCoord.xy * screenSize.xy) / 255.0);\n" 2078762e332e3797fb41929a1c6069207f4906ca329Romain Guy "}\n" 2088762e332e3797fb41929a1c6069207f4906ca329Romain Guy "\nvec4 gammaMix(const vec4 a, const vec4 b, float v) {\n" 2099fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy " vec4 c = mix(a, b, v);\n" 210636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " c.a = EOTF_sRGB(c.a);\n" // This is technically incorrect but preserves compatibility 211636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " return vec4(OETF_sRGB(c.rgb) * c.a, c.a);\n" 212253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n", 213253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy // sRGB framebuffer 214253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "\nvec4 dither(const vec4 color) {\n" 215253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " vec3 dithered = sqrt(color.rgb) + (triangleNoise(gl_FragCoord.xy * screenSize.xy) / 255.0);\n" 216253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " return vec4(dithered * dithered, color.a);\n" 217253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy "}\n" 2188762e332e3797fb41929a1c6069207f4906ca329Romain Guy "\nvec4 gammaMix(const vec4 a, const vec4 b, float v) {\n" 219a0ed6f03f6f06eb41cbcc15c0a99b4a78fd91befRomain Guy " vec4 c = mix(a, b, v);\n" 220a0ed6f03f6f06eb41cbcc15c0a99b4a78fd91befRomain Guy " return vec4(c.rgb * c.a, c.a);\n" 2218762e332e3797fb41929a1c6069207f4906ca329Romain Guy "}\n" 222253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy}; 223253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 224253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// Uses luminance coefficients from Rec.709 to choose the appropriate gamma 225253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The gamma() function assumes that bright text will be displayed on a dark 226253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// background and that dark text will be displayed on bright background 227253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The gamma coefficient is chosen to thicken or thin the text accordingly 228253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// The dot product used to compute the luminance could be approximated with 229253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy// a simple max(color.r, color.g, color.b) 2309fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guyconst char* gFS_Gamma_Preamble = R"__SHADER__( 2319fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy #define GAMMA (%.2f) 2329fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy #define GAMMA_INV (%.2f) 2339fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy 2349fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy float gamma(float a, const vec3 color) { 2359fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy float luminance = dot(color, vec3(0.2126, 0.7152, 0.0722)); 2369fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy return pow(a, luminance < 0.5 ? GAMMA_INV : GAMMA); 2379fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy } 2389fe7e16399aa9739b63ce9add1d04fd8ef00678fRomain Guy)__SHADER__"; 239253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 240ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 241ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 242253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " vec4 fragColor;\n"; 243707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 244253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_AddDither = 245253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = dither(fragColor);\n"; 246211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 247707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy// General case 248ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 249ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 250740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guyconst char* gFS_Main_ModulateColor = 251740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy " fragColor *= color.a;\n"; 25291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gFS_Main_ApplyVertexAlphaLinearInterp = 2536ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik " fragColor *= alpha;\n"; 25491a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikconst char* gFS_Main_ApplyVertexAlphaShadowInterp = 255138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik // map alpha through shadow alpha sampler 256138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik " fragColor *= texture2D(baseSampler, vec2(alpha, 0.5)).a;\n"; 257707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guyconst char* gFS_Main_FetchTexture[2] = { 258707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 259636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " fragColor = OETF(texture2D(baseSampler, outTexCoords));\n", 260707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 261a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords);\n" 262707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 263253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_FetchA8Texture[4] = { 264707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 265a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 266253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = texture2D(baseSampler, outTexCoords);\n", 267707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 268a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = color * texture2D(baseSampler, outTexCoords).a;\n", 269253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = color * gamma(texture2D(baseSampler, outTexCoords).a, color.rgb);\n", 270707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 27142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyconst char* gFS_Main_FetchGradient[6] = { 272ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 273320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, linear);\n", 274211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 2758762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(linear, 0.0, 1.0));\n", 276211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 277ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 278320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(length(circular), 0.5));\n", 279211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 2808762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(length(circular), 0.0, 1.0));\n", 281211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 282ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 28363553478130f78d44c8fbeaebc610e19925544a5Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 284320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n", 285211efea7376371ee755edd2ad03e83ef6eea464eRomain Guy 28642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 2878762e332e3797fb41929a1c6069207f4906ca329Romain Guy " vec4 gradientColor = gammaMix(startColor, endColor, clamp(index - floor(index), 0.0, 1.0));\n" 288ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 289ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 290636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " vec4 bitmapColor = OETF(texture2D(bitmapSampler, outBitmapTexCoords));\n"; 291889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 292636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy " vec4 bitmapColor = OETF(texture2D(bitmapSampler, wrap(outBitmapTexCoords)));\n"; 293ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 294ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 29506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 29606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 297253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_BlendShaders_Modulate[6] = { 298707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 299707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy ";\n", 300253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy ";\n", 301707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3020990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " * color.a;\n", 303253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " * color.a;\n", 304707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 305a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " * texture2D(baseSampler, outTexCoords).a;\n", 306253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " * gamma(texture2D(baseSampler, outTexCoords).a, color.rgb);\n", 307707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy}; 308253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_GradientShader_Modulate[6] = { 309707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 310707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = gradientColor;\n", 311253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor;\n", 312707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3130990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = gradientColor * color.a;\n", 314253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor * color.a;\n", 315707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 316a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = gradientColor * texture2D(baseSampler, outTexCoords).a;\n", 317253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = gradientColor * gamma(texture2D(baseSampler, outTexCoords).a, gradientColor.rgb);\n", 318707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 319253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guyconst char* gFS_Main_BitmapShader_Modulate[6] = { 320707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Don't modulate 321707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy " fragColor = bitmapColor;\n", 322253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor;\n", 323707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate 3240990ffbc4d407e174423a4a04b5902ed83f71db5Chet Haase " fragColor = bitmapColor * color.a;\n", 325253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor * color.a;\n", 326707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy // Modulate with alpha 8 texture 327a938f569ce206c1ed68d736181016b5b708c0084Romain Guy " fragColor = bitmapColor * texture2D(baseSampler, outTexCoords).a;\n", 328253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy " fragColor = bitmapColor * gamma(texture2D(baseSampler, outTexCoords).a, bitmapColor.rgb);\n", 329707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy }; 330ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 331ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 332ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyconst char* gFS_Main_FragColor_HasColors = 333ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy " gl_FragColor *= outColors;\n"; 334a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Main_FragColor_Blend = 335a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; 336f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guyconst char* gFS_Main_FragColor_Blend_Swap = 337f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; 33876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerconst char* gFS_Main_ApplyColorOp[3] = { 339ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 340ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 341ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 34273821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor.rgb /= (fragColor.a + 0.0019);\n" // un-premultiply 343ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 34473821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor += colorMatrixVector;\n" 34573821c8d2bd453de6bf3f516e1f1cdb9a132f4a7Chris Craik " fragColor.rgb *= (fragColor.a + 0.0019);\n", // re-premultiply 346ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 347ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 348ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 349deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 350deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik// Note: LTRB -> xyzw 351deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikconst char* gFS_Main_FragColor_HasRoundRectClip = 352deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " mediump vec2 fragToLT = roundRectInnerRectLTRB.xy - roundRectPos;\n" 353deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " mediump vec2 fragFromRB = roundRectPos - roundRectInnerRectLTRB.zw;\n" 354f99f320dc79e290a89d668243b6d77c3442b36abChris Craik 355f99f320dc79e290a89d668243b6d77c3442b36abChris Craik // divide + multiply by 128 to avoid falling out of range in length() function 356f99f320dc79e290a89d668243b6d77c3442b36abChris Craik " mediump vec2 dist = max(max(fragToLT, fragFromRB), vec2(0.0, 0.0)) / 128.0;\n" 357f99f320dc79e290a89d668243b6d77c3442b36abChris Craik " mediump float linearDist = roundRectRadius - (length(dist) * 128.0);\n" 358deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik " gl_FragColor *= clamp(linearDist, 0.0, 1.0);\n"; 359deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3603ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guyconst char* gFS_Main_DebugHighlight = 3613ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy " gl_FragColor.rgb = vec3(0.0, gl_FragColor.a, 0.0);\n"; 362ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 363ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 364ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 365ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 366ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 367ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 368ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 36948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyconst char* gBlendOps[18] = { 370ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 371ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 372ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 373ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 374ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 375ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 376ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 37706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 378ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 37906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 380ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 38106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 382ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 38306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 384ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 38506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 386ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 38706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 388ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 389ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 390ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 391ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 392ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 39348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " 394ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 395c0bf700441e1b53f1693d7445dc6f9876f5c9b4fDerek Sollenberger // Plus 39648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return min(src + dst, 1.0);\n", 397c0bf700441e1b53f1693d7445dc6f9876f5c9b4fDerek Sollenberger // Modulate 39848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src * dst;\n", 39948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Screen 40048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src + dst - src * dst;\n", 40148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Overlay 40248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return clamp(vec4(mix(" 40348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 40448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain 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), " 40548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "step(dst.a, 2.0 * dst.rgb)), " 40648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", 40748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Darken 40848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 40948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 41048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Lighten 41148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 41248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 413ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 414ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 415ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 416ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 417ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 418ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 419117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris CraikProgramCache::ProgramCache(Extensions& extensions) 420253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy : mHasES3(extensions.getMajorGlVersion() >= 3) 421efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy , mHasLinearBlending(extensions.hasLinearBlending()) { 422ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 423ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 424ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 425ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 426ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 427ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 428ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 429ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 430ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 431ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 432ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 43367f27952c1bcb2230beef9b5ca0bf42edad436a9Romain Guy PROGRAM_LOGD("Clearing program cache"); 434ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 435ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 437ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 438ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 439096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik if (key == (PROGRAM_KEY_TEXTURE | PROGRAM_KEY_A8_TEXTURE)) { 440096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik // program for A8, unmodulated, texture w/o shader (black text/path textures) is equivalent 441096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik // to standard texture program (bitmaps, patches). Consider them equivalent. 442096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik key = PROGRAM_KEY_TEXTURE; 443096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik } 444096b8d96d539429de5e67b2821ef3f9ee0300842Chris Craik 44551d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik auto iter = mCache.find(key); 446d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik Program* program = nullptr; 44751d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik if (iter == mCache.end()) { 448ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.log("Could not find program"); 449ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 45051d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik mCache[key] = std::unique_ptr<Program>(program); 451ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 45251d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik program = iter->second.get(); 453ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 454ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 455ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 456ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 457ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 458ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 459ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 460ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 46164bb413a664001c95c8439cf097dc3033f4ed733Andreas GampeProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 462ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 463ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 464ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 46542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return new Program(description, vertexShader.string(), fragmentShader.string()); 46642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 46742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 46842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline size_t gradientIndex(const ProgramDescription& description) { 46942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return description.gradientType * 2 + description.isSimpleGradient; 470ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 471ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 472ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 473ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 4748bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik String8 shader(gVS_Header_Start); 475aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 476ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 477ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 47891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 47991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Attributes_VertexAlphaParameters); 4805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 481ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 482ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Attributes_Colors); 483ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 484ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 485ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 4868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 487aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Header_Uniforms_TextureTransform); 488aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 489ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 490b48800428906ae455c2b63acacd44e390e1fee49Romain Guy shader.append(gVS_Header_Uniforms_HasGradient); 491ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 492889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 493889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 494889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 495deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 496deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Uniforms_HasRoundRectClip); 497deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 498ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 499aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 500ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 501ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 50291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 50391a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Varyings_HasVertexAlpha); 5045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 505ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 506ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Varyings_HasColors); 507ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 508ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 50942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 510ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 511ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 5126d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Header_Varyings_HasBitmap); 513ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 514deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 515deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Varyings_HasRoundRectClip); 516deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 517ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 518ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 519ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 5208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (description.hasTextureTransform) { 521aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gVS_Main_OutTransformedTexCoords); 5228f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasTexture || description.hasExternalTexture) { 5238f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy shader.append(gVS_Main_OutTexCoords); 524aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 52591a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 52691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Main_VertexAlpha); 5275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 528ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 529ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Main_OutColors); 530ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 531889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 5326d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Main_OutBitmapTexCoords); 533889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 534ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 535ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 536a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase if (description.hasGradient) { 537a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase shader.append(gVS_Main_OutGradient[gradientIndex(description)]); 538a1d12dd619c86c9ac121a3095ff5e5633c11e876Chet Haase } 539deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 540deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Main_HasRoundRectClip); 541deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 542ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 543ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 544ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 545ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 546ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 547ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 548ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 549ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 550ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 551a938f569ce206c1ed68d736181016b5b708c0084Romain Guystatic bool shaderOp(const ProgramDescription& description, String8& shader, 552a938f569ce206c1ed68d736181016b5b708c0084Romain Guy const int modulateOp, const char** snippets) { 553a938f569ce206c1ed68d736181016b5b708c0084Romain Guy int op = description.hasAlpha8Texture ? MODULATE_OP_MODULATE_A8 : modulateOp; 554253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy op = op * 2 + description.hasGammaCorrection; 555a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(snippets[op]); 556a938f569ce206c1ed68d736181016b5b708c0084Romain Guy return description.hasAlpha8Texture; 557a938f569ce206c1ed68d736181016b5b708c0084Romain Guy} 558a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 559ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 5608bd68c6b7d4d6d3137edf1cbdc0e0de266c5b9eeChris Craik String8 shader(gFS_Header_Start); 561a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 562c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed const bool blendFramebuffer = description.framebufferMode >= SkBlendMode::kPlus; 563a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 564a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header_Extension_FramebufferFetch); 565a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 5669c97e48fbe389180b4b64845f093c53c92c374f3sergeyv if (description.hasExternalTexture 5679c97e48fbe389180b4b64845f093c53c92c374f3sergeyv || (description.hasBitmap && description.isShaderBitmapExternal)) { 568aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Header_Extension_ExternalTexture); 569aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 570a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 571a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header); 572ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 573ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 574aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 575ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 576ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 57791a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 57891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gVS_Header_Varyings_HasVertexAlpha); 5795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 580ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 581ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gVS_Header_Varyings_HasColors); 582ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 583ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 58442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); 585ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 586ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 5876d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik shader.append(gVS_Header_Varyings_HasBitmap); 588ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 589deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 590deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gVS_Header_Varyings_HasRoundRectClip); 591deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 592ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 593ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 594707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy int modulateOp = MODULATE_OP_NO_MODULATE; 595aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const bool singleColor = !description.hasTexture && !description.hasExternalTexture && 596707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy !description.hasGradient && !description.hasBitmap; 597707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 598707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (description.modulate || singleColor) { 599707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Uniforms_Color); 600707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!singleColor) modulateOp = MODULATE_OP_MODULATE; 601707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 602138c21fbec12bead3c7ca1f181c3fd35542ccb00Chris Craik if (description.hasTexture || description.useShadowAlphaInterp) { 603ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 6048f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else if (description.hasExternalTexture) { 605aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy shader.append(gFS_Uniforms_ExternalTextureSampler); 606aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 607ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 608253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Uniforms_GradientSampler[description.isSimpleGradient]); 609ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 610deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 611deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gFS_Uniforms_HasRoundRectClip); 612deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 613707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy 614253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGammaCorrection) { 615253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.appendFormat(gFS_Gamma_Preamble, Properties::textGamma, 1.0f / Properties::textGamma); 616253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 617253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 618ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 6199c97e48fbe389180b4b64845f093c53c92c374f3sergeyv if (description.isShaderBitmapExternal) { 6209c97e48fbe389180b4b64845f093c53c92c374f3sergeyv shader.append(gFS_Uniforms_BitmapExternalSampler); 6219c97e48fbe389180b4b64845f093c53c92c374f3sergeyv } else { 6229c97e48fbe389180b4b64845f093c53c92c374f3sergeyv shader.append(gFS_Uniforms_BitmapSampler); 6239c97e48fbe389180b4b64845f093c53c92c374f3sergeyv } 624ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 625b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik shader.append(gFS_Uniforms_ColorOp[static_cast<int>(description.colorOp)]); 626ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 627ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 628ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 62948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendShaders", description.shadersMode); 630ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 631b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik if (description.colorOp == ProgramDescription::ColorFilterMode::Blend) { 63248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendColors", description.colorMode); 633ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 634a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 635a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy generateBlend(shader, "blendFramebuffer", description.framebufferMode); 636a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 637554ffeb8b7c836da43a637c59eedfc617895b19dsergeyv if (description.useShaderBasedWrap) { 638889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 639889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 640636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy if (description.hasGradient || description.hasLinearTexture) { 641636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy shader.append(gFS_Transfer_Functions); 642636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy } 643636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy if (description.hasBitmap || ((description.hasTexture || description.hasExternalTexture) && 644636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy !description.hasAlpha8Texture)) { 645efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy shader.append(gFS_OETF[description.hasLinearTexture && !mHasLinearBlending]); 646636afc1877882dc9cf73b49f8a68c73cc418d8cdRomain Guy } 647253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGradient) { 6488762e332e3797fb41929a1c6069207f4906ca329Romain Guy shader.append(gFS_Gradient_Functions); 649efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy shader.append(gFS_Gradient_Preamble[mHasLinearBlending]); 650253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 651ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 652ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 653ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 654ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (description.hasTexture || description.hasExternalTexture) { 656ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 657707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (!description.hasGradient && !description.hasBitmap) { 658253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append( 659253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy gFS_Main_FetchA8Texture[modulateOp * 2 + description.hasGammaCorrection]); 660707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 661ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 662707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchTexture[modulateOp]); 663ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 664ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 665a938f569ce206c1ed68d736181016b5b708c0084Romain Guy if (!description.hasGradient && !description.hasBitmap) { 666707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy shader.append(gFS_Main_FetchColor); 667707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 668ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 669ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 67042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy shader.append(gFS_Main_FetchGradient[gradientIndex(description)]); 671ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 672ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 673554ffeb8b7c836da43a637c59eedfc617895b19dsergeyv if (!description.useShaderBasedWrap) { 674889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 675889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 676889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 677889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 678ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 679740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy bool applyModulate = false; 680ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 681ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 682ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 683ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 684ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 685ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 686ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 687a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 688a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BlendShaders_Modulate); 689889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 690889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 691a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 692a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_GradientShader_Modulate); 693889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 694a938f569ce206c1ed68d736181016b5b708c0084Romain Guy applyModulate = shaderOp(description, shader, modulateOp, 695a938f569ce206c1ed68d736181016b5b708c0084Romain Guy gFS_Main_BitmapShader_Modulate); 696889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 697ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 698a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 699740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (description.modulate && applyModulate) { 700a938f569ce206c1ed68d736181016b5b708c0084Romain Guy shader.append(gFS_Main_ModulateColor); 701740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 702a938f569ce206c1ed68d736181016b5b708c0084Romain Guy 703ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 704b9ce116dac378b4cf4490f265dcbd5704a1dd43cChris Craik shader.append(gFS_Main_ApplyColorOp[static_cast<int>(description.colorOp)]); 7059f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 70691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.hasVertexAlpha) { 70791a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (description.useShadowAlphaInterp) { 70891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gFS_Main_ApplyVertexAlphaShadowInterp); 709bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik } else { 71091a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik shader.append(gFS_Main_ApplyVertexAlphaLinearInterp); 711bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik } 7129f44a13a125980fee92cdc76376063129f0eebc9Chris Craik } 7139f44a13a125980fee92cdc76376063129f0eebc9Chris Craik 714253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy if (description.hasGradient) { 715253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy shader.append(gFS_Main_AddDither); 716253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy } 717253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy 718ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 719a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!blendFramebuffer) { 720a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Main_FragColor); 721a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 722f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy shader.append(!description.swapSrcDst ? 723f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); 724a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 725ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (description.hasColors) { 726ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy shader.append(gFS_Main_FragColor_HasColors); 727ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 728deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (description.hasRoundRectClip) { 729deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik shader.append(gFS_Main_FragColor_HasRoundRectClip); 730deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 7313ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (description.hasDebugHighlight) { 7323ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy shader.append(gFS_Main_DebugHighlight); 7333ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 734ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 735ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 736ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 737ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 73891a8ec0145ae0ce85782b40c964d16ba2465aec7Romain Guy#if DEBUG_PROGRAMS 739db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 740db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 74191a8ec0145ae0ce85782b40c964d16ba2465aec7Romain Guy#endif 742db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 743ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 744ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 745ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 746c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reedvoid ProgramCache::generateBlend(String8& shader, const char* name, SkBlendMode mode) { 747ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 748ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 749ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 750ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 751c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed shader.append(gBlendOps[(int)mode]); 752ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 753ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 754ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 755889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 75663553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append("\nhighp vec2 wrap(highp vec2 texCoords) {\n"); 757889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 75863553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float xMod2 = mod(texCoords.x, 2.0);\n"); 759889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 760889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 761889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 76263553478130f78d44c8fbeaebc610e19925544a5Romain Guy shader.append(" highp float yMod2 = mod(texCoords.y, 2.0);\n"); 763889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 764889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 765889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 766889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 76761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 76861c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.x"); 76961c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 770889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 771889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 772889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 773889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 774889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 775889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 776889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 777889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 778889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 77961c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 78061c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.y"); 78161c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 782889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 783889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 784889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 785889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 786889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 787889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 788889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 789889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 790889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 791889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 792889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 793db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 794db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 795db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 796db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 797db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 798db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 799db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 8001c1c3fe9ebde8f911da65d49bdb91af583453dc6Chris Craik ALOGD("%s", line.string()); 801db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 802db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 803db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 804db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 805db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 806db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 807ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 808ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 809