ProgramCache.cpp revision ddb80bebb0776e6d852aab6e8bba5d5591847a55
1ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/* 2ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Copyright (C) 2010 The Android Open Source Project 3ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 4ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * you may not use this file except in compliance with the License. 6ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * You may obtain a copy of the License at 7ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 8ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * 10ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Unless required by applicable law or agreed to in writing, software 11ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * See the License for the specific language governing permissions and 14ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * limitations under the License. 15ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy */ 16ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 17ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#define LOG_TAG "OpenGLRenderer" 18ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 19ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include <utils/String8.h> 20ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 21ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include "ProgramCache.h" 22ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 23ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace android { 24ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guynamespace uirenderer { 25ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 26ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 27ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Vertex shaders snippets 28ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 29ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 30ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Attributes = 31ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec4 position;\n"; 32ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Attributes_TexCoords = 33ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "attribute vec2 texCoords;\n"; 34ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Uniforms = 35ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 transform;\n"; 36ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Header_Uniforms_HasGradient[3] = { 37ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 38ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform float gradientLength;\n" 39ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec2 gradient;\n" 40ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec2 gradientStart;\n" 41ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform mat4 screenSpace;\n", 42ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 43ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "uniform vec2 gradientStart;\n" 44ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "uniform mat4 gradientMatrix;\n" 45ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "uniform mat4 screenSpace;\n", 46ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 47ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform vec2 gradientStart;\n" 48ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "uniform mat4 gradientMatrix;\n" 49ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform mat4 screenSpace;\n" 50ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 51889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Header_Uniforms_HasBitmap = 52889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform mat4 textureTransform;\n" 53889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform vec2 textureDimension;\n"; 54ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasTexture = 55ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outTexCoords;\n"; 56ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasBitmap = 57ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outBitmapTexCoords;\n"; 58ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Header_Varyings_HasGradient[3] = { 59ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 60ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "varying float index;\n", 61ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 62ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "varying vec2 circular;\n", 63ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 64ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "varying vec2 sweep;\n" 65ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 66ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main = 67ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n"; 68ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutTexCoords = 69ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " outTexCoords = texCoords;\n"; 70ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Main_OutGradient[3] = { 71ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 72ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 location = screenSpace * position;\n" 73ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " index = dot(location.xy - gradientStart, gradient) * gradientLength;\n", 74ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 75ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy " vec4 location = screenSpace * position;\n" 76ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy " circular = (gradientMatrix * vec4(location.xy - gradientStart, 0.0, 0.0)).xy;\n", 77ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 78ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 location = screenSpace * position;\n" 79ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy " sweep = (gradientMatrix * vec4(location.xy - gradientStart, 0.0, 0.0)).xy;\n" 80ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 81889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Main_OutBitmapTexCoords = 82889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapCoords = textureTransform * position;\n" 83889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " outBitmapTexCoords = bitmapCoords.xy * textureDimension;\n"; 84ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_Position = 85ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_Position = transform * position;\n"; 86ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Footer = 87ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 88ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 89ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 90ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Fragment shaders snippets 91ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 92ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 93a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Header_Extension_FramebufferFetch = 94a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; 95ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Header = 96ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "precision mediump float;\n\n"; 97ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_Color = 98ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 color;\n"; 99ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_TextureSampler = 100ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D sampler;\n"; 101ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gFS_Uniforms_GradientSampler[3] = { 102ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 103ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n", 104ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 105ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy "uniform float gradientRadius;\n" 106ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n", 107ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 108ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n" 109ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 110ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_BitmapSampler = 111ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D bitmapSampler;\n"; 112ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_ColorOp[4] = { 113ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 114ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 115ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 119db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingMul;\n" 120db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingAdd;\n", 121ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 122db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 123ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 124ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 125ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 1267fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy " lowp vec4 fragColor;\n"; 127ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 128ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 129ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchTexture = 130ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords);\n"; 131ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchA8Texture = 132ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords).a;\n"; 133ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gFS_Main_FetchGradient[3] = { 134ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 135ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n", 136ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 137ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy " float index = length(circular) * gradientRadius;\n" 138ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n", 139ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 140ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 141ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n" 142ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 143ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 144ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; 145889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 146889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; 147ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 148ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 14906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 15006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 151ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShaders_Modulate = 152ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " * fragColor.a;\n"; 153889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_GradientShader_Modulate = 154889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = gradientColor * fragColor.a;\n"; 155889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_BitmapShader_Modulate = 156889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = bitmapColor * fragColor.a;\n"; 157ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 158ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 159a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Main_FragColor_Blend = 160a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; 161f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guyconst char* gFS_Main_FragColor_Blend_Swap = 162f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; 163ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_ApplyColorOp[4] = { 164ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 165ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 166ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 167db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // TODO: Fix premultiplied alpha computations for color matrix 168ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 169db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor += colorMatrixVector;\n" 170db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.rgb *= fragColor.a;\n", 171ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 172db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " float lightingAlpha = fragColor.a;\n" 173db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n" 174db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.a = lightingAlpha;\n", 175ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 176ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 177ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 178ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 179ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 180ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 181ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 182ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 183ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 184ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 18548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyconst char* gBlendOps[18] = { 186ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 187ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 188ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 189ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 190ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 191ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 192ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 19306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 194ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 19506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 196ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 19706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 198ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 19906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 200ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 20106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 202ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 20306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 204ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 205ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 206ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 207ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 208ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 20948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " 210ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 21148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Add 21248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return min(src + dst, 1.0);\n", 21348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Multiply 21448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src * dst;\n", 21548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Screen 21648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src + dst - src * dst;\n", 21748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Overlay 21848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return clamp(vec4(mix(" 21948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 22048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain 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), " 22148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "step(dst.a, 2.0 * dst.rgb)), " 22248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", 22348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Darken 22448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 22548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 22648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Lighten 22748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 22848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 229ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 230ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 231ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 232ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 233ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 234ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 235ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::ProgramCache() { 236ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 237ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 238ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 239ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 240ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 241ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 242ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 243ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 244ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 245ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 246ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 247ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy size_t count = mCache.size(); 248ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy for (size_t i = 0; i < count; i++) { 249ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy delete mCache.valueAt(i); 250ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 251ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 252ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 253ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 254ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 255ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 256ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ssize_t index = mCache.indexOfKey(key); 257ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = NULL; 258ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (index < 0) { 259ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.log("Could not find program"); 260ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 261ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.add(key, program); 262ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 263ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = mCache.valueAt(index); 264ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 265ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 266ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 267ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 268ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 269ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 270ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 271ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 272ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 273ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 274ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 275ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 276ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = new Program(vertexShader.string(), fragmentShader.string()); 277ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 278ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 279ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 280ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 281ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 282ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 shader(gVS_Header_Attributes); 283889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasTexture) { 284ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 285ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 286ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 287ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 288ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 289ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Uniforms_HasGradient[description.gradientType]); 290ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 291889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 292889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 293889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 294ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 295ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 296ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 297ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 298ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 299ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); 300ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 301ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 302ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 303ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 304ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 305ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 306ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 307ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 308ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_OutTexCoords); 309ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 310ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 311ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Main_OutGradient[description.gradientType]); 312ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 313889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 314889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Main_OutBitmapTexCoords); 315889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 316ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 317ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 318ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 319ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 320ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 321ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 322ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 323ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 324ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 325ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 326ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 327ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 328ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Set the default precision 329a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy String8 shader; 330a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 331a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy bool blendFramebuffer = description.framebufferMode >= SkXfermode::kPlus_Mode; 332a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 333a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header_Extension_FramebufferFetch); 334a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 335a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 336a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header); 337ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 338ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 339ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 340ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 341ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 342ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 343ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); 344ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 345ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 346ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 347ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 348ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 349ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 350ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 351ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_Color); 352ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 353ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 354ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 355ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 356ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gFS_Uniforms_GradientSampler[description.gradientType]); 357ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 358ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 359ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_BitmapSampler); 360ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 361ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_ColorOp[description.colorOp]); 362ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 363ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 364ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 36548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendShaders", description.shadersMode); 366ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 367ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.colorOp == ProgramDescription::kColorBlend) { 36848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendColors", description.colorMode); 369ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 370a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 371a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy generateBlend(shader, "blendFramebuffer", description.framebufferMode); 372a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 373889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.isBitmapNpot) { 374889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 375889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 376ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 377ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 378ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 379ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 380ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 381ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 382ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchA8Texture); 383ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 384ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchTexture); 385ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 386ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 387ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchColor); 388ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 389ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 390ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gFS_Main_FetchGradient[description.gradientType]); 391ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 392ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 393889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (!description.isBitmapNpot) { 394889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 395889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 396889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 397889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 398ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 399ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 400ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 401ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 402ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 403ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 404ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 405ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 406ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShaders_Modulate); 407889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 408889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 409889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_GradientShader_Modulate); 410889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 411889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_BitmapShader_Modulate); 412889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 413ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 414ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 415ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_ApplyColorOp[description.colorOp]); 416ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 417a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!blendFramebuffer) { 418a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Main_FragColor); 419a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 420f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy shader.append(!description.swapSrcDst ? 421f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); 422a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 423ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 424ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 425ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 426ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 427db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (DEBUG_PROGRAM_CACHE) { 428db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 429db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 430db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 431db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 432ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 433ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 434ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 43548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyvoid ProgramCache::generateBlend(String8& shader, const char* name, SkXfermode::Mode mode) { 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 437ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 438ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 439ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 44048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy shader.append(gBlendOps[mode]); 441ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 442ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 443ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 444889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 445889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("\nvec2 wrap(vec2 texCoords) {\n"); 446889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 447889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float xMod2 = mod(texCoords.x, 2.0);\n"); 448889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 449889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 450889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 451889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float yMod2 = mod(texCoords.y, 2.0);\n"); 452889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 453889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 454889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 455889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 45661c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 45761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.x"); 45861c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 459889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 460889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 461889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 462889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 463889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 464889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 465889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 466889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 467889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 46861c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 46961c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.y"); 47061c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 471889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 472889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 473889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 474889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 475889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 476889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 477889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 478889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 479889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 480889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 481889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 482db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 483db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 484db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 485db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 486db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 487db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 488db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 489db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("%s", line.string()); 490db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 491db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 492db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 493db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 494db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 495db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 496ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 497ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 498