ProgramCache.cpp revision ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6f
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 43ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "", 44ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 45ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform vec2 gradientStart;\n" 46ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform mat4 screenSpace;\n" 47ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 48889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Header_Uniforms_HasBitmap = 49889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform mat4 textureTransform;\n" 50889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform vec2 textureDimension;\n"; 51ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasTexture = 52ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outTexCoords;\n"; 53ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasBitmap = 54ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outBitmapTexCoords;\n"; 55ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Header_Varyings_HasGradient[3] = { 56ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 57ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "varying float index;\n", 58ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 59ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "", 60ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 61ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "varying vec2 sweep;\n" 62ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 63ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main = 64ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n"; 65ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutTexCoords = 66ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " outTexCoords = texCoords;\n"; 67ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gVS_Main_OutGradient[3] = { 68ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 69ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 location = screenSpace * position;\n" 70ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " index = dot(location.xy - gradientStart, gradient) * gradientLength;\n", 71ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 72ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "", 73ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 74ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 location = screenSpace * position;\n" 75ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " sweep = location.xy - gradientStart;\n" 76ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Main_OutBitmapTexCoords = 78889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapCoords = textureTransform * position;\n" 79889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " outBitmapTexCoords = bitmapCoords.xy * textureDimension;\n"; 80ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_Position = 81ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_Position = transform * position;\n"; 82ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Footer = 83ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 84ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 85ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 86ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Fragment shaders snippets 87ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 88ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 89a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Header_Extension_FramebufferFetch = 90a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; 91ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Header = 92ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "precision mediump float;\n\n"; 93ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_Color = 94ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 color;\n"; 95ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_TextureSampler = 96ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D sampler;\n"; 97ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gFS_Uniforms_GradientSampler[3] = { 98ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 99ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n", 100ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 101ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n", 102ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 103ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "uniform sampler2D gradientSampler;\n" 104ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 105ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_BitmapSampler = 106ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D bitmapSampler;\n"; 107ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_ColorOp[4] = { 108ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 109ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 110ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 111ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 112ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 113ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 114db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingMul;\n" 115db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingAdd;\n", 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 117db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 1217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy " lowp vec4 fragColor;\n"; 122ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 123ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 124ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchTexture = 125ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords);\n"; 126ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchA8Texture = 127ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords).a;\n"; 128ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guyconst char* gFS_Main_FetchGradient[3] = { 129ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Linear 130ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n", 131ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Circular 132ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy "", 133ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy // Sweep 134ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" 135ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n" 136ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy}; 137ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 138ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; 139889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 140889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; 141ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 142ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 14306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 14406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 145ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShaders_Modulate = 146ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " * fragColor.a;\n"; 147889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_GradientShader_Modulate = 148889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = gradientColor * fragColor.a;\n"; 149889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_BitmapShader_Modulate = 150889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = bitmapColor * fragColor.a;\n"; 151ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 152ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 153a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyconst char* gFS_Main_FragColor_Blend = 154a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; 155f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guyconst char* gFS_Main_FragColor_Blend_Swap = 156f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; 157ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_ApplyColorOp[4] = { 158ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 159ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 160ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 161db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // TODO: Fix premultiplied alpha computations for color matrix 162ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 163db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor += colorMatrixVector;\n" 164db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.rgb *= fragColor.a;\n", 165ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 166db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " float lightingAlpha = fragColor.a;\n" 167db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n" 168db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.a = lightingAlpha;\n", 169ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 170ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 171ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 172ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 173ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 174ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 175ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 176ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 177ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 178ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 17948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyconst char* gBlendOps[18] = { 180ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 181ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 182ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 183ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 184ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 185ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 186ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 18706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 188ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 18906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 190ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 19106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 192ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 19306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 194ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 19506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 196ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 19706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 198ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 199ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 200ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 201ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 202ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 20348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " 204ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 20548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Add 20648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return min(src + dst, 1.0);\n", 20748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Multiply 20848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src * dst;\n", 20948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Screen 21048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return src + dst - src * dst;\n", 21148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Overlay 21248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return clamp(vec4(mix(" 21348daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " 21448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain 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), " 21548daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "step(dst.a, 2.0 * dst.rgb)), " 21648daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", 21748daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Darken 21848daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 21948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 22048daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy // Lighten 22148daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " 22248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", 223ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 224ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 225ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 226ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 227ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 228ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 229ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::ProgramCache() { 230ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 231ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 232ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 233ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 234ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 235ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 236ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 237ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 238ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 239ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 240ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 241ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy size_t count = mCache.size(); 242ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy for (size_t i = 0; i < count; i++) { 243ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy delete mCache.valueAt(i); 244ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 245ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 246ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 247ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 248ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 249ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 250ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ssize_t index = mCache.indexOfKey(key); 251ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = NULL; 252ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (index < 0) { 253ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy description.log("Could not find program"); 254ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 255ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.add(key, program); 256ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 257ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = mCache.valueAt(index); 258ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 259ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 260ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 261ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 262ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 263ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 264ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 265ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 266ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 267ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 268ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 269ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 270ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = new Program(vertexShader.string(), fragmentShader.string()); 271ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 272ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 273ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 274ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 275ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 276ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 shader(gVS_Header_Attributes); 277889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasTexture) { 278ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 279ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 280ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 281ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 282ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 283ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Uniforms_HasGradient[description.gradientType]); 284ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 285889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 286889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 287889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 288ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 289ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 290ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 291ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 292ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 293ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); 294ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 295ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 296ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 297ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 298ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 299ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 300ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 301ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 302ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_OutTexCoords); 303ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 304ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 305ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Main_OutGradient[description.gradientType]); 306ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 307889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 308889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Main_OutBitmapTexCoords); 309889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 310ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 311ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 312ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 313ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 314ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 315ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 316ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 317ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 318ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 319ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 320ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 321ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 322ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Set the default precision 323a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy String8 shader; 324a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 325a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy bool blendFramebuffer = description.framebufferMode >= SkXfermode::kPlus_Mode; 326a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 327a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header_Extension_FramebufferFetch); 328a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 329a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 330a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Header); 331ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 332ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 333ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 334ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 335ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 336ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 337ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); 338ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 339ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 340ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 341ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 342ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 343ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 344ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 345ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_Color); 346ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 347ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 348ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 349ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 350ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gFS_Uniforms_GradientSampler[description.gradientType]); 351ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 352ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 353ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_BitmapSampler); 354ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 355ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_ColorOp[description.colorOp]); 356ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 357ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 358ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 35948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendShaders", description.shadersMode); 360ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 361ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.colorOp == ProgramDescription::kColorBlend) { 36248daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy generateBlend(shader, "blendColors", description.colorMode); 363ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 364a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (blendFramebuffer) { 365a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy generateBlend(shader, "blendFramebuffer", description.framebufferMode); 366a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 367889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.isBitmapNpot) { 368889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 369889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 370ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 371ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 372ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 373ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 374ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 375ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 376ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchA8Texture); 377ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 378ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchTexture); 379ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 380ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 381ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchColor); 382ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 383ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 384ee916f14cbd1fe1422c063ce2ef7b185e2bc5c6fRomain Guy shader.append(gFS_Main_FetchGradient[description.gradientType]); 385ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 386ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 387889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (!description.isBitmapNpot) { 388889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 389889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 390889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 391889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 392ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 393ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 394ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 395ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 396ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 397ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 398ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 399ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 400ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShaders_Modulate); 401889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 402889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 403889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_GradientShader_Modulate); 404889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 405889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_BitmapShader_Modulate); 406889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 407ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 408ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 409ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_ApplyColorOp[description.colorOp]); 410ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 411a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!blendFramebuffer) { 412a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy shader.append(gFS_Main_FragColor); 413a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 414f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy shader.append(!description.swapSrcDst ? 415f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); 416a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 417ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 418ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 419ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 420ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 421db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (DEBUG_PROGRAM_CACHE) { 422db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 423db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 424db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 425db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 426ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 427ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 428ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 42948daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guyvoid ProgramCache::generateBlend(String8& shader, const char* name, SkXfermode::Mode mode) { 430ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 431ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 432ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 433ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 43448daa54d31fc59ec969dcff65eb3cbb0ce879a8dRomain Guy shader.append(gBlendOps[mode]); 435ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 437ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 438889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 439889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("\nvec2 wrap(vec2 texCoords) {\n"); 440889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 441889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float xMod2 = mod(texCoords.x, 2.0);\n"); 442889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 443889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 444889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 445889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float yMod2 = mod(texCoords.y, 2.0);\n"); 446889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 447889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 448889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 449889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 45061c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 45161c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.x"); 45261c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 453889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 454889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 455889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 456889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 457889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 458889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 459889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 460889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 461889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 46261c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy case GL_CLAMP_TO_EDGE: 46361c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy shader.append("texCoords.y"); 46461c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy break; 465889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 466889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 467889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 468889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 469889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 470889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 471889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 472889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 473889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 474889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 475889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 476db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 477db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 478db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 479db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 480db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 481db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 482db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 483db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("%s", line.string()); 484db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 485db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 486db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 487db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 488db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 489db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 490ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 491ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 492