ProgramCache.cpp revision db1938e0e6ef816e228c815adccebd5cb05f2aa8
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"; 36ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Uniforms_HasGradient = 37ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform float gradientLength;\n" 38ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec2 gradient;\n" 39ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec2 gradientStart;\n" 40ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 screenSpace;\n"; 41889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Header_Uniforms_HasBitmap = 42889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform mat4 textureTransform;\n" 43889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy "uniform vec2 textureDimension;\n"; 44ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasTexture = 45ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outTexCoords;\n"; 46ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasBitmap = 47ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying vec2 outBitmapTexCoords;\n"; 48ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Header_Varyings_HasGradient = 49ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "varying float index;\n"; 50ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main = 51ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n"; 52ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutTexCoords = 53ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " outTexCoords = texCoords;\n"; 54ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_OutGradientIndex = 55ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 location = screenSpace * position;\n" 56ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " index = dot(location.xy - gradientStart, gradient) * gradientLength;\n"; 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gVS_Main_OutBitmapTexCoords = 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapCoords = textureTransform * position;\n" 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " outBitmapTexCoords = bitmapCoords.xy * textureDimension;\n"; 60ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Main_Position = 61ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_Position = transform * position;\n"; 62ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gVS_Footer = 63ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 64ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 65ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 66ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Fragment shaders snippets 67ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 68ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 69ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Header = 70ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "precision mediump float;\n\n"; 71ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_Color = 72ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 color;\n"; 73ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_TextureSampler = 74ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D sampler;\n"; 75ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_GradientSampler = 76ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D gradientSampler;\n"; 77ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_BitmapSampler = 78ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform sampler2D bitmapSampler;\n"; 79ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Uniforms_ColorOp[4] = { 80ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 81ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 82ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 83ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform mat4 colorMatrix;\n" 84ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "uniform vec4 colorMatrixVector;\n", 85ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 86db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingMul;\n" 87db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 lightingAdd;\n", 88ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 89db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy "uniform vec4 colorBlend;\n" 90ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 91ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main = 92ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "\nvoid main(void) {\n" 93ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 fragColor;\n"; 94ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchColor = 95ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color;\n"; 96ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchTexture = 97ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords);\n"; 98ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchA8Texture = 99ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = color * texture2D(sampler, outTexCoords).a;\n"; 100ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchGradient = 101ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n"; 102ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FetchBitmap = 103ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; 104889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_FetchBitmapNpot = 105889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; 106ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShadersBG = 107ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendShaders(gradientColor, bitmapColor)"; 10806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyconst char* gFS_Main_BlendShadersGB = 10906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy " fragColor = blendShaders(bitmapColor, gradientColor)"; 110ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_BlendShaders_Modulate = 111ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " * fragColor.a;\n"; 112889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_GradientShader_Modulate = 113889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = gradientColor * fragColor.a;\n"; 114889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyconst char* gFS_Main_BitmapShader_Modulate = 115889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy " fragColor = bitmapColor * fragColor.a;\n"; 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_FragColor = 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " gl_FragColor = fragColor;\n"; 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Main_ApplyColorOp[4] = { 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // None 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "", 121ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Matrix 122db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // TODO: Fix premultiplied alpha computations for color matrix 123ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor *= colorMatrix;\n" 124db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor += colorMatrixVector;\n" 125db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.rgb *= fragColor.a;\n", 126ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Lighting 127db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " float lightingAlpha = fragColor.a;\n" 128db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n" 129db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy " fragColor.a = lightingAlpha;\n", 130ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // PorterDuff 131ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy " fragColor = blendColors(colorBlend, fragColor);\n" 132ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 133ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gFS_Footer = 134ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "}\n\n"; 135ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 136ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 137ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// PorterDuff snippets 138ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 139ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 140ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyconst char* gPorterDuff[12] = { 141ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Clear 142ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(0.0, 0.0, 0.0, 0.0);\n", 143ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Src 144ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return src;\n", 145ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Dst 146ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return dst;\n", 147ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOver 14806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src + dst * (1.0 - src.a);\n", 149ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOver 15006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst + src * (1.0 - dst.a);\n", 151ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcIn 15206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * dst.a;\n", 153ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstIn 15406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * src.a;\n", 155ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcOut 15606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return src * (1.0 - dst.a);\n", 157ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstOut 15806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return dst * (1.0 - src.a);\n", 159ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // SrcAtop 160ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", 161ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // DstAtop 162ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", 163ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Xor 16406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, 1.0, " 165ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy "src.a + dst.a - 2.0 * src.a * dst.a);\n", 166ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; 167ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 168ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 169ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Constructors/destructors 170ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 171ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 172ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::ProgramCache() { 173ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 174ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 175ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgramCache::~ProgramCache() { 176ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy clear(); 177ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 178ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 179ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 180ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Cache management 181ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 182ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 183ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::clear() { 184ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy size_t count = mCache.size(); 185ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy for (size_t i = 0; i < count; i++) { 186ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy delete mCache.valueAt(i); 187ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 188ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.clear(); 189ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 190ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 191ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::get(const ProgramDescription& description) { 192ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy programid key = description.key(); 193ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ssize_t index = mCache.indexOfKey(key); 194ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = NULL; 195ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (index < 0) { 196ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("Could not find program with key 0x%x", key); 197ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = generateProgram(description, key); 198ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy mCache.add(key, program); 199ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 200ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy program = mCache.valueAt(index); 201ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 202ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 203ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 204ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 205ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 206ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy// Program generation 207ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy/////////////////////////////////////////////////////////////////////////////// 208ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 209ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyProgram* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { 210ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 vertexShader = generateVertexShader(description); 211ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 fragmentShader = generateFragmentShader(description); 212ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 213ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy Program* program = new Program(vertexShader.string(), fragmentShader.string()); 214ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return program; 215ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 216ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 217ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateVertexShader(const ProgramDescription& description) { 218ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Add attributes 219ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 shader(gVS_Header_Attributes); 220889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasTexture) { 221ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Attributes_TexCoords); 222ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 223ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 224ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms); 225ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 226ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Uniforms_HasGradient); 227ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 228889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 229889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Header_Uniforms_HasBitmap); 230889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 231ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 232ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 233ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 234ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 235ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 236ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasGradient); 237ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 238ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 239ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 240ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 241ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 242ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 243ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main); { 244ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 245ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_OutTexCoords); 246ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 247ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 248ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_OutGradientIndex); 249ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 250889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasBitmap) { 251889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gVS_Main_OutBitmapTexCoords); 252889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 253ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output transformed position 254ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Main_Position); 255ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 256ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 257ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Footer); 258ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 259ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); 260ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 261ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 262ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 263ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 264ac670c0433d19397d4e36ced2110475b6f54fe26Romain GuyString8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { 265ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Set the default precision 266ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy String8 shader(gFS_Header); 267ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 268ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Varyings 269ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 270ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasTexture); 271ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 272ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 273ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasGradient); 274ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 275ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 276ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gVS_Header_Varyings_HasBitmap); 277ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 278ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 279ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 280ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Uniforms 281ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_Color); 282ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 283ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_TextureSampler); 284ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 285ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 286ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_GradientSampler); 287ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 288ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 289ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_BitmapSampler); 290ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 291ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Uniforms_ColorOp[description.colorOp]); 292ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 293ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Generate required functions 294ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 295ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy generatePorterDuffBlend(shader, "blendShaders", description.shadersMode); 296ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 297ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.colorOp == ProgramDescription::kColorBlend) { 298ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy generatePorterDuffBlend(shader, "blendColors", description.colorMode); 299ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 300889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.isBitmapNpot) { 301889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); 302889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 303ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 304ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Begin the shader 305ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main); { 306ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Stores the result in fragColor directly 307ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasTexture) { 308ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasAlpha8Texture) { 309ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchA8Texture); 310ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 311ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchTexture); 312ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 313ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 314ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchColor); 315ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 316ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient) { 317ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FetchGradient); 318ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 319ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasBitmap) { 320889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (!description.isBitmapNpot) { 321889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmap); 322889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 323889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_FetchBitmapNpot); 324889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 325ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 326ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Case when we have two shaders set 327ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.hasGradient && description.hasBitmap) { 328ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy if (description.isBitmapFirst) { 329ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersBG); 330ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } else { 331ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShadersGB); 332ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 333ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_BlendShaders_Modulate); 334889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 335889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (description.hasGradient) { 336889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_GradientShader_Modulate); 337889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else if (description.hasBitmap) { 338889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(gFS_Main_BitmapShader_Modulate); 339889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 340ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 341ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Apply the color op if needed 342ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_ApplyColorOp[description.colorOp]); 343ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // Output the fragment 344ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Main_FragColor); 345ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy } 346ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy // End the shader 347ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gFS_Footer); 348ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 349db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (DEBUG_PROGRAM_CACHE) { 350db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("*** Generated fragment shader:\n\n"); 351db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy printLongString(shader); 352db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 353db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 354ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy return shader; 355ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 356ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 357ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guyvoid ProgramCache::generatePorterDuffBlend(String8& shader, const char* name, 358ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy SkXfermode::Mode mode) { 359ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("\nvec4 "); 360ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(name); 361ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("(vec4 src, vec4 dst) {\n"); 362ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(" "); 363ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append(gPorterDuff[mode]); 364ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy shader.append("}\n"); 365ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy} 366ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 367889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { 368889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("\nvec2 wrap(vec2 texCoords) {\n"); 369889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapS == GL_MIRRORED_REPEAT) { 370889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float xMod2 = mod(texCoords.x, 2.0);\n"); 371889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); 372889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 373889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy if (wrapT == GL_MIRRORED_REPEAT) { 374889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" float yMod2 = mod(texCoords.y, 2.0);\n"); 375889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); 376889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 377889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(" return vec2("); 378889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapS) { 379889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 380889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.x, 1.0)"); 381889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 382889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 383889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("xMod2"); 384889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 385889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 386889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(", "); 387889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy switch (wrapT) { 388889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_REPEAT: 389889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("mod(texCoords.y, 1.0)"); 390889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 391889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy case GL_MIRRORED_REPEAT: 392889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("yMod2"); 393889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy break; 394889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 395889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append(");\n"); 396889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy shader.append("}\n"); 397889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy} 398889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 399db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid ProgramCache::printLongString(const String8& shader) const { 400db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t index = 0; 401db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy ssize_t lastIndex = 0; 402db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy const char* str = shader.string(); 403db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy while ((index = shader.find("\n", index)) > -1) { 404db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy String8 line(str, index - lastIndex); 405db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (line.length() == 0) line.append("\n"); 406db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy PROGRAM_LOGD("%s", line.string()); 407db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy index++; 408db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy str += (index - lastIndex); 409db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy lastIndex = index; 410db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 411db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 412db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 413ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace uirenderer 414ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy}; // namespace android 415