Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "OpenGLRenderer" |
| 18 | |
| 19 | #include <utils/String8.h> |
| 20 | |
Romain Guy | a60c388 | 2011-08-01 15:28:16 -0700 | [diff] [blame] | 21 | #include "Caches.h" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 22 | #include "Dither.h" |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 23 | #include "ProgramCache.h" |
| 24 | |
| 25 | namespace android { |
| 26 | namespace uirenderer { |
| 27 | |
| 28 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 29 | // Defines |
| 30 | /////////////////////////////////////////////////////////////////////////////// |
| 31 | |
| 32 | #define MODULATE_OP_NO_MODULATE 0 |
| 33 | #define MODULATE_OP_MODULATE 1 |
| 34 | #define MODULATE_OP_MODULATE_A8 2 |
| 35 | |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 36 | #define STR(x) STR1(x) |
| 37 | #define STR1(x) #x |
| 38 | |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 39 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 40 | // Vertex shaders snippets |
| 41 | /////////////////////////////////////////////////////////////////////////////// |
| 42 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 43 | const char* gVS_Header_Attributes = |
| 44 | "attribute vec4 position;\n"; |
| 45 | const char* gVS_Header_Attributes_TexCoords = |
| 46 | "attribute vec2 texCoords;\n"; |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 47 | const char* gVS_Header_Attributes_Colors = |
| 48 | "attribute vec4 colors;\n"; |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 49 | const char* gVS_Header_Attributes_AAVertexShapeParameters = |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 50 | "attribute float vtxAlpha;\n"; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 51 | const char* gVS_Header_Uniforms_TextureTransform = |
| 52 | "uniform mat4 mainTextureTransform;\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 53 | const char* gVS_Header_Uniforms = |
Romain Guy | 39284b7 | 2012-09-26 16:39:40 -0700 | [diff] [blame] | 54 | "uniform mat4 projection;\n" \ |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 55 | "uniform mat4 transform;\n"; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 56 | const char* gVS_Header_Uniforms_IsPoint = |
Romain Guy | 80bbfb1 | 2011-03-23 16:56:28 -0700 | [diff] [blame] | 57 | "uniform mediump float pointSize;\n"; |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 58 | const char* gVS_Header_Uniforms_HasGradient = |
| 59 | "uniform mat4 screenSpace;\n"; |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 60 | const char* gVS_Header_Uniforms_HasBitmap = |
| 61 | "uniform mat4 textureTransform;\n" |
Romain Guy | 80bbfb1 | 2011-03-23 16:56:28 -0700 | [diff] [blame] | 62 | "uniform mediump vec2 textureDimension;\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 63 | const char* gVS_Header_Varyings_HasTexture = |
| 64 | "varying vec2 outTexCoords;\n"; |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 65 | const char* gVS_Header_Varyings_HasColors = |
| 66 | "varying vec4 outColors;\n"; |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 67 | const char* gVS_Header_Varyings_IsAAVertexShape = |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 68 | "varying float alpha;\n"; |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 69 | const char* gVS_Header_Varyings_HasBitmap = |
| 70 | "varying highp vec2 outBitmapTexCoords;\n"; |
| 71 | const char* gVS_Header_Varyings_PointHasBitmap = |
| 72 | "varying highp vec2 outPointBitmapTexCoords;\n"; |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 73 | const char* gVS_Header_Varyings_HasGradient[6] = { |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 74 | // Linear |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 75 | "varying highp vec2 linear;\n" |
| 76 | "varying vec2 ditherTexCoords;\n", |
| 77 | "varying float linear;\n" |
| 78 | "varying vec2 ditherTexCoords;\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 79 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 80 | // Circular |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 81 | "varying highp vec2 circular;\n" |
| 82 | "varying vec2 ditherTexCoords;\n", |
| 83 | "varying highp vec2 circular;\n" |
| 84 | "varying vec2 ditherTexCoords;\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 85 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 86 | // Sweep |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 87 | "varying highp vec2 sweep;\n" |
| 88 | "varying vec2 ditherTexCoords;\n", |
| 89 | "varying highp vec2 sweep;\n" |
| 90 | "varying vec2 ditherTexCoords;\n", |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 91 | }; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 92 | const char* gVS_Main = |
| 93 | "\nvoid main(void) {\n"; |
| 94 | const char* gVS_Main_OutTexCoords = |
| 95 | " outTexCoords = texCoords;\n"; |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 96 | const char* gVS_Main_OutColors = |
| 97 | " outColors = colors;\n"; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 98 | const char* gVS_Main_OutTransformedTexCoords = |
| 99 | " outTexCoords = (mainTextureTransform * vec4(texCoords, 0.0, 1.0)).xy;\n"; |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 100 | const char* gVS_Main_OutGradient[6] = { |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 101 | // Linear |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 102 | " linear = vec2((screenSpace * position).x, 0.5);\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 103 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 104 | " linear = (screenSpace * position).x;\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 105 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 106 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 107 | // Circular |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 108 | " circular = (screenSpace * position).xy;\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 109 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 110 | " circular = (screenSpace * position).xy;\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 111 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 112 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 113 | // Sweep |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 114 | " sweep = (screenSpace * position).xy;\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 115 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 116 | " sweep = (screenSpace * position).xy;\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 117 | " ditherTexCoords = (transform * position).xy * " STR(DITHER_KERNEL_SIZE_INV) ";\n", |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 118 | }; |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 119 | const char* gVS_Main_OutBitmapTexCoords = |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 120 | " outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 121 | const char* gVS_Main_OutPointBitmapTexCoords = |
| 122 | " outPointBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 123 | const char* gVS_Main_Position = |
Romain Guy | 39284b7 | 2012-09-26 16:39:40 -0700 | [diff] [blame] | 124 | " gl_Position = projection * transform * position;\n"; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 125 | const char* gVS_Main_PointSize = |
| 126 | " gl_PointSize = pointSize;\n"; |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 127 | const char* gVS_Main_AAVertexShape = |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 128 | " alpha = vtxAlpha;\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 129 | const char* gVS_Footer = |
| 130 | "}\n\n"; |
| 131 | |
| 132 | /////////////////////////////////////////////////////////////////////////////// |
| 133 | // Fragment shaders snippets |
| 134 | /////////////////////////////////////////////////////////////////////////////// |
| 135 | |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 136 | const char* gFS_Header_Extension_FramebufferFetch = |
| 137 | "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 138 | const char* gFS_Header_Extension_ExternalTexture = |
| 139 | "#extension GL_OES_EGL_image_external : require\n\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 140 | const char* gFS_Header = |
| 141 | "precision mediump float;\n\n"; |
| 142 | const char* gFS_Uniforms_Color = |
| 143 | "uniform vec4 color;\n"; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 144 | const char* gFS_Header_Uniforms_PointHasBitmap = |
| 145 | "uniform vec2 textureDimension;\n" |
| 146 | "uniform float pointSize;\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 147 | const char* gFS_Uniforms_TextureSampler = |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 148 | "uniform sampler2D baseSampler;\n"; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 149 | const char* gFS_Uniforms_ExternalTextureSampler = |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 150 | "uniform samplerExternalOES baseSampler;\n"; |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 151 | const char* gFS_Uniforms_Dither = |
| 152 | "uniform sampler2D ditherSampler;"; |
| 153 | const char* gFS_Uniforms_GradientSampler[2] = { |
| 154 | "%s\n" |
| 155 | "uniform sampler2D gradientSampler;\n", |
| 156 | "%s\n" |
| 157 | "uniform vec4 startColor;\n" |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 158 | "uniform vec4 endColor;\n" |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 159 | }; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 160 | const char* gFS_Uniforms_BitmapSampler = |
| 161 | "uniform sampler2D bitmapSampler;\n"; |
| 162 | const char* gFS_Uniforms_ColorOp[4] = { |
| 163 | // None |
| 164 | "", |
| 165 | // Matrix |
| 166 | "uniform mat4 colorMatrix;\n" |
| 167 | "uniform vec4 colorMatrixVector;\n", |
| 168 | // Lighting |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 169 | "uniform vec4 lightingMul;\n" |
| 170 | "uniform vec4 lightingAdd;\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 171 | // PorterDuff |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 172 | "uniform vec4 colorBlend;\n" |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 173 | }; |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 174 | const char* gFS_Uniforms_Gamma = |
| 175 | "uniform float gamma;\n"; |
| 176 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 177 | const char* gFS_Main = |
| 178 | "\nvoid main(void) {\n" |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 179 | " lowp vec4 fragColor;\n"; |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 180 | |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 181 | const char* gFS_Main_PointBitmapTexCoords = |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 182 | " highp vec2 outBitmapTexCoords = outPointBitmapTexCoords + " |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 183 | "((gl_PointCoord - vec2(0.5, 0.5)) * textureDimension * vec2(pointSize, pointSize));\n"; |
| 184 | |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 185 | const char* gFS_Main_Dither[2] = { |
| 186 | // ES 2.0 |
| 187 | "texture2D(ditherSampler, ditherTexCoords).a * " STR(DITHER_KERNEL_SIZE_INV_SQUARE), |
| 188 | // ES 3.0 |
| 189 | "texture2D(ditherSampler, ditherTexCoords).r" |
| 190 | }; |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 191 | const char* gFS_Main_AddDitherToGradient = |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 192 | " gradientColor += %s;\n"; |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 193 | |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 194 | // Fast cases |
| 195 | const char* gFS_Fast_SingleColor = |
| 196 | "\nvoid main(void) {\n" |
| 197 | " gl_FragColor = color;\n" |
| 198 | "}\n\n"; |
| 199 | const char* gFS_Fast_SingleTexture = |
| 200 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 201 | " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 202 | "}\n\n"; |
| 203 | const char* gFS_Fast_SingleModulateTexture = |
| 204 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 205 | " gl_FragColor = color.a * texture2D(baseSampler, outTexCoords);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 206 | "}\n\n"; |
| 207 | const char* gFS_Fast_SingleA8Texture = |
| 208 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 209 | " gl_FragColor = texture2D(baseSampler, outTexCoords);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 210 | "}\n\n"; |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 211 | const char* gFS_Fast_SingleA8Texture_ApplyGamma = |
| 212 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 213 | " gl_FragColor = vec4(0.0, 0.0, 0.0, pow(texture2D(baseSampler, outTexCoords).a, gamma));\n" |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 214 | "}\n\n"; |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 215 | const char* gFS_Fast_SingleModulateA8Texture = |
| 216 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 217 | " gl_FragColor = color * texture2D(baseSampler, outTexCoords).a;\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 218 | "}\n\n"; |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 219 | const char* gFS_Fast_SingleModulateA8Texture_ApplyGamma = |
| 220 | "\nvoid main(void) {\n" |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 221 | " gl_FragColor = color * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 222 | "}\n\n"; |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 223 | const char* gFS_Fast_SingleGradient[2] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 224 | "\nvoid main(void) {\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 225 | " gl_FragColor = %s + texture2D(gradientSampler, linear);\n" |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 226 | "}\n\n", |
| 227 | "\nvoid main(void) {\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 228 | " gl_FragColor = %s + mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n" |
| 229 | "}\n\n", |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 230 | }; |
| 231 | const char* gFS_Fast_SingleModulateGradient[2] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 232 | "\nvoid main(void) {\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 233 | " gl_FragColor = %s + color.a * texture2D(gradientSampler, linear);\n" |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 234 | "}\n\n", |
| 235 | "\nvoid main(void) {\n" |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 236 | " gl_FragColor = %s + color.a * mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n" |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 237 | "}\n\n" |
| 238 | }; |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 239 | |
| 240 | // General case |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 241 | const char* gFS_Main_FetchColor = |
| 242 | " fragColor = color;\n"; |
Romain Guy | 740bf2b | 2011-04-26 15:33:10 -0700 | [diff] [blame] | 243 | const char* gFS_Main_ModulateColor = |
| 244 | " fragColor *= color.a;\n"; |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 245 | const char* gFS_Main_AccountForAAVertexShape = |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 246 | " fragColor *= alpha;\n"; |
Chris Craik | a798b95 | 2012-08-27 17:03:13 -0700 | [diff] [blame] | 247 | |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 248 | const char* gFS_Main_FetchTexture[2] = { |
| 249 | // Don't modulate |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 250 | " fragColor = texture2D(baseSampler, outTexCoords);\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 251 | // Modulate |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 252 | " fragColor = color * texture2D(baseSampler, outTexCoords);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 253 | }; |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 254 | const char* gFS_Main_FetchA8Texture[4] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 255 | // Don't modulate |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 256 | " fragColor = texture2D(baseSampler, outTexCoords);\n", |
| 257 | " fragColor = texture2D(baseSampler, outTexCoords);\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 258 | // Modulate |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 259 | " fragColor = color * texture2D(baseSampler, outTexCoords).a;\n", |
| 260 | " fragColor = color * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 261 | }; |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 262 | const char* gFS_Main_FetchGradient[6] = { |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 263 | // Linear |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 264 | " vec4 gradientColor = texture2D(gradientSampler, linear);\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 265 | |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 266 | " vec4 gradientColor = mix(startColor, endColor, clamp(linear, 0.0, 1.0));\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 267 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 268 | // Circular |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 269 | " vec4 gradientColor = texture2D(gradientSampler, vec2(length(circular), 0.5));\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 270 | |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 271 | " vec4 gradientColor = mix(startColor, endColor, clamp(length(circular), 0.0, 1.0));\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 272 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 273 | // Sweep |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 274 | " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 275 | " vec4 gradientColor = texture2D(gradientSampler, vec2(index - floor(index), 0.5));\n", |
Romain Guy | 211efea | 2012-07-31 21:16:07 -0700 | [diff] [blame] | 276 | |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 277 | " highp float index = atan(sweep.y, sweep.x) * 0.15915494309; // inv(2 * PI)\n" |
Romain Guy | 320d46b | 2012-08-08 16:05:42 -0700 | [diff] [blame] | 278 | " vec4 gradientColor = mix(startColor, endColor, clamp(index - floor(index), 0.0, 1.0));\n" |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 279 | }; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 280 | const char* gFS_Main_FetchBitmap = |
| 281 | " vec4 bitmapColor = texture2D(bitmapSampler, outBitmapTexCoords);\n"; |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 282 | const char* gFS_Main_FetchBitmapNpot = |
| 283 | " vec4 bitmapColor = texture2D(bitmapSampler, wrap(outBitmapTexCoords));\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 284 | const char* gFS_Main_BlendShadersBG = |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 285 | " fragColor = blendShaders(gradientColor, bitmapColor)"; |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 286 | const char* gFS_Main_BlendShadersGB = |
| 287 | " fragColor = blendShaders(bitmapColor, gradientColor)"; |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 288 | const char* gFS_Main_BlendShaders_Modulate[6] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 289 | // Don't modulate |
| 290 | ";\n", |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 291 | ";\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 292 | // Modulate |
Chet Haase | 0990ffb | 2012-09-17 17:43:45 -0700 | [diff] [blame] | 293 | " * color.a;\n", |
| 294 | " * color.a;\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 295 | // Modulate with alpha 8 texture |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 296 | " * texture2D(baseSampler, outTexCoords).a;\n", |
| 297 | " * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 298 | }; |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 299 | const char* gFS_Main_GradientShader_Modulate[6] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 300 | // Don't modulate |
| 301 | " fragColor = gradientColor;\n", |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 302 | " fragColor = gradientColor;\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 303 | // Modulate |
Chet Haase | 0990ffb | 2012-09-17 17:43:45 -0700 | [diff] [blame] | 304 | " fragColor = gradientColor * color.a;\n", |
| 305 | " fragColor = gradientColor * color.a;\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 306 | // Modulate with alpha 8 texture |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 307 | " fragColor = gradientColor * texture2D(baseSampler, outTexCoords).a;\n", |
| 308 | " fragColor = gradientColor * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 309 | }; |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 310 | const char* gFS_Main_BitmapShader_Modulate[6] = { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 311 | // Don't modulate |
| 312 | " fragColor = bitmapColor;\n", |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 313 | " fragColor = bitmapColor;\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 314 | // Modulate |
Chet Haase | 0990ffb | 2012-09-17 17:43:45 -0700 | [diff] [blame] | 315 | " fragColor = bitmapColor * color.a;\n", |
| 316 | " fragColor = bitmapColor * color.a;\n", |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 317 | // Modulate with alpha 8 texture |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 318 | " fragColor = bitmapColor * texture2D(baseSampler, outTexCoords).a;\n", |
| 319 | " fragColor = bitmapColor * pow(texture2D(baseSampler, outTexCoords).a, gamma);\n" |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 320 | }; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 321 | const char* gFS_Main_FragColor = |
| 322 | " gl_FragColor = fragColor;\n"; |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 323 | const char* gFS_Main_FragColor_HasColors = |
| 324 | " gl_FragColor *= outColors;\n"; |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 325 | const char* gFS_Main_FragColor_Blend = |
| 326 | " gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n"; |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 327 | const char* gFS_Main_FragColor_Blend_Swap = |
| 328 | " gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 329 | const char* gFS_Main_ApplyColorOp[4] = { |
| 330 | // None |
| 331 | "", |
| 332 | // Matrix |
| 333 | " fragColor *= colorMatrix;\n" |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 334 | " fragColor += colorMatrixVector;\n" |
| 335 | " fragColor.rgb *= fragColor.a;\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 336 | // Lighting |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 337 | " float lightingAlpha = fragColor.a;\n" |
| 338 | " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n" |
| 339 | " fragColor.a = lightingAlpha;\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 340 | // PorterDuff |
| 341 | " fragColor = blendColors(colorBlend, fragColor);\n" |
| 342 | }; |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 343 | const char* gFS_Main_DebugHighlight = |
| 344 | " gl_FragColor.rgb = vec3(0.0, gl_FragColor.a, 0.0);\n"; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 345 | const char* gFS_Footer = |
| 346 | "}\n\n"; |
| 347 | |
| 348 | /////////////////////////////////////////////////////////////////////////////// |
| 349 | // PorterDuff snippets |
| 350 | /////////////////////////////////////////////////////////////////////////////// |
| 351 | |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 352 | const char* gBlendOps[18] = { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 353 | // Clear |
| 354 | "return vec4(0.0, 0.0, 0.0, 0.0);\n", |
| 355 | // Src |
| 356 | "return src;\n", |
| 357 | // Dst |
| 358 | "return dst;\n", |
| 359 | // SrcOver |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 360 | "return src + dst * (1.0 - src.a);\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 361 | // DstOver |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 362 | "return dst + src * (1.0 - dst.a);\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 363 | // SrcIn |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 364 | "return src * dst.a;\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 365 | // DstIn |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 366 | "return dst * src.a;\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 367 | // SrcOut |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 368 | "return src * (1.0 - dst.a);\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 369 | // DstOut |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 370 | "return dst * (1.0 - src.a);\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 371 | // SrcAtop |
| 372 | "return vec4(src.rgb * dst.a + (1.0 - src.a) * dst.rgb, dst.a);\n", |
| 373 | // DstAtop |
| 374 | "return vec4(dst.rgb * src.a + (1.0 - dst.a) * src.rgb, src.a);\n", |
| 375 | // Xor |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 376 | "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb, " |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 377 | "src.a + dst.a - 2.0 * src.a * dst.a);\n", |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 378 | // Add |
| 379 | "return min(src + dst, 1.0);\n", |
| 380 | // Multiply |
| 381 | "return src * dst;\n", |
| 382 | // Screen |
| 383 | "return src + dst - src * dst;\n", |
| 384 | // Overlay |
| 385 | "return clamp(vec4(mix(" |
| 386 | "2.0 * src.rgb * dst.rgb + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a), " |
| 387 | "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), " |
| 388 | "step(dst.a, 2.0 * dst.rgb)), " |
| 389 | "src.a + dst.a - src.a * dst.a), 0.0, 1.0);\n", |
| 390 | // Darken |
| 391 | "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " |
| 392 | "min(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", |
| 393 | // Lighten |
| 394 | "return vec4(src.rgb * (1.0 - dst.a) + (1.0 - src.a) * dst.rgb + " |
| 395 | "max(src.rgb * dst.a, dst.rgb * src.a), src.a + dst.a - src.a * dst.a);\n", |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 396 | }; |
| 397 | |
| 398 | /////////////////////////////////////////////////////////////////////////////// |
| 399 | // Constructors/destructors |
| 400 | /////////////////////////////////////////////////////////////////////////////// |
| 401 | |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 402 | ProgramCache::ProgramCache(): mHasES3(Extensions::getInstance().getMajorGlVersion() >= 3) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | ProgramCache::~ProgramCache() { |
| 406 | clear(); |
| 407 | } |
| 408 | |
| 409 | /////////////////////////////////////////////////////////////////////////////// |
| 410 | // Cache management |
| 411 | /////////////////////////////////////////////////////////////////////////////// |
| 412 | |
| 413 | void ProgramCache::clear() { |
Romain Guy | 67f2795 | 2010-12-07 20:09:23 -0800 | [diff] [blame] | 414 | PROGRAM_LOGD("Clearing program cache"); |
| 415 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 416 | size_t count = mCache.size(); |
| 417 | for (size_t i = 0; i < count; i++) { |
| 418 | delete mCache.valueAt(i); |
| 419 | } |
| 420 | mCache.clear(); |
| 421 | } |
| 422 | |
| 423 | Program* ProgramCache::get(const ProgramDescription& description) { |
| 424 | programid key = description.key(); |
Chris Craik | 096b8d9 | 2013-03-01 11:08:11 -0800 | [diff] [blame] | 425 | if (key == (PROGRAM_KEY_TEXTURE | PROGRAM_KEY_A8_TEXTURE)) { |
| 426 | // program for A8, unmodulated, texture w/o shader (black text/path textures) is equivalent |
| 427 | // to standard texture program (bitmaps, patches). Consider them equivalent. |
| 428 | key = PROGRAM_KEY_TEXTURE; |
| 429 | } |
| 430 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 431 | ssize_t index = mCache.indexOfKey(key); |
| 432 | Program* program = NULL; |
| 433 | if (index < 0) { |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 434 | description.log("Could not find program"); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 435 | program = generateProgram(description, key); |
| 436 | mCache.add(key, program); |
| 437 | } else { |
| 438 | program = mCache.valueAt(index); |
| 439 | } |
| 440 | return program; |
| 441 | } |
| 442 | |
| 443 | /////////////////////////////////////////////////////////////////////////////// |
| 444 | // Program generation |
| 445 | /////////////////////////////////////////////////////////////////////////////// |
| 446 | |
| 447 | Program* ProgramCache::generateProgram(const ProgramDescription& description, programid key) { |
| 448 | String8 vertexShader = generateVertexShader(description); |
| 449 | String8 fragmentShader = generateFragmentShader(description); |
| 450 | |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 451 | return new Program(description, vertexShader.string(), fragmentShader.string()); |
| 452 | } |
| 453 | |
| 454 | static inline size_t gradientIndex(const ProgramDescription& description) { |
| 455 | return description.gradientType * 2 + description.isSimpleGradient; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | String8 ProgramCache::generateVertexShader(const ProgramDescription& description) { |
| 459 | // Add attributes |
| 460 | String8 shader(gVS_Header_Attributes); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 461 | if (description.hasTexture || description.hasExternalTexture) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 462 | shader.append(gVS_Header_Attributes_TexCoords); |
| 463 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 464 | if (description.isAA) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 465 | shader.append(gVS_Header_Attributes_AAVertexShapeParameters); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 466 | } |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 467 | if (description.hasColors) { |
| 468 | shader.append(gVS_Header_Attributes_Colors); |
| 469 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 470 | // Uniforms |
| 471 | shader.append(gVS_Header_Uniforms); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 472 | if (description.hasTextureTransform) { |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 473 | shader.append(gVS_Header_Uniforms_TextureTransform); |
| 474 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 475 | if (description.hasGradient) { |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 476 | shader.append(gVS_Header_Uniforms_HasGradient); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 477 | } |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 478 | if (description.hasBitmap) { |
| 479 | shader.append(gVS_Header_Uniforms_HasBitmap); |
| 480 | } |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 481 | if (description.isPoint) { |
| 482 | shader.append(gVS_Header_Uniforms_IsPoint); |
| 483 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 484 | // Varyings |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 485 | if (description.hasTexture || description.hasExternalTexture) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 486 | shader.append(gVS_Header_Varyings_HasTexture); |
| 487 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 488 | if (description.isAA) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 489 | shader.append(gVS_Header_Varyings_IsAAVertexShape); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 490 | } |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 491 | if (description.hasColors) { |
| 492 | shader.append(gVS_Header_Varyings_HasColors); |
| 493 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 494 | if (description.hasGradient) { |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 495 | shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 496 | } |
| 497 | if (description.hasBitmap) { |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 498 | shader.append(description.isPoint ? |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 499 | gVS_Header_Varyings_PointHasBitmap : |
| 500 | gVS_Header_Varyings_HasBitmap); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | // Begin the shader |
| 504 | shader.append(gVS_Main); { |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 505 | if (description.hasTextureTransform) { |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 506 | shader.append(gVS_Main_OutTransformedTexCoords); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 507 | } else if (description.hasTexture || description.hasExternalTexture) { |
| 508 | shader.append(gVS_Main_OutTexCoords); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 509 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 510 | if (description.isAA) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 511 | shader.append(gVS_Main_AAVertexShape); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 512 | } |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 513 | if (description.hasColors) { |
| 514 | shader.append(gVS_Main_OutColors); |
| 515 | } |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 516 | if (description.hasBitmap) { |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 517 | shader.append(description.isPoint ? |
| 518 | gVS_Main_OutPointBitmapTexCoords : |
| 519 | gVS_Main_OutBitmapTexCoords); |
| 520 | } |
| 521 | if (description.isPoint) { |
| 522 | shader.append(gVS_Main_PointSize); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 523 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 524 | // Output transformed position |
| 525 | shader.append(gVS_Main_Position); |
Chet Haase | a1d12dd | 2012-09-21 14:50:14 -0700 | [diff] [blame] | 526 | if (description.hasGradient) { |
| 527 | shader.append(gVS_Main_OutGradient[gradientIndex(description)]); |
| 528 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 529 | } |
| 530 | // End the shader |
| 531 | shader.append(gVS_Footer); |
| 532 | |
| 533 | PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string()); |
| 534 | |
| 535 | return shader; |
| 536 | } |
| 537 | |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 538 | static bool shaderOp(const ProgramDescription& description, String8& shader, |
| 539 | const int modulateOp, const char** snippets) { |
| 540 | int op = description.hasAlpha8Texture ? MODULATE_OP_MODULATE_A8 : modulateOp; |
| 541 | op = op * 2 + description.hasGammaCorrection; |
| 542 | shader.append(snippets[op]); |
| 543 | return description.hasAlpha8Texture; |
| 544 | } |
| 545 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 546 | String8 ProgramCache::generateFragmentShader(const ProgramDescription& description) { |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 547 | String8 shader; |
| 548 | |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 549 | const bool blendFramebuffer = description.framebufferMode >= SkXfermode::kPlus_Mode; |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 550 | if (blendFramebuffer) { |
| 551 | shader.append(gFS_Header_Extension_FramebufferFetch); |
| 552 | } |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 553 | if (description.hasExternalTexture) { |
| 554 | shader.append(gFS_Header_Extension_ExternalTexture); |
| 555 | } |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 556 | |
| 557 | shader.append(gFS_Header); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 558 | |
| 559 | // Varyings |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 560 | if (description.hasTexture || description.hasExternalTexture) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 561 | shader.append(gVS_Header_Varyings_HasTexture); |
| 562 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 563 | if (description.isAA) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 564 | shader.append(gVS_Header_Varyings_IsAAVertexShape); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 565 | } |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 566 | if (description.hasColors) { |
| 567 | shader.append(gVS_Header_Varyings_HasColors); |
| 568 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 569 | if (description.hasGradient) { |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 570 | shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 571 | } |
| 572 | if (description.hasBitmap) { |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 573 | shader.append(description.isPoint ? |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 574 | gVS_Header_Varyings_PointHasBitmap : |
| 575 | gVS_Header_Varyings_HasBitmap); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 576 | } |
| 577 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 578 | // Uniforms |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 579 | int modulateOp = MODULATE_OP_NO_MODULATE; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 580 | const bool singleColor = !description.hasTexture && !description.hasExternalTexture && |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 581 | !description.hasGradient && !description.hasBitmap; |
| 582 | |
| 583 | if (description.modulate || singleColor) { |
| 584 | shader.append(gFS_Uniforms_Color); |
| 585 | if (!singleColor) modulateOp = MODULATE_OP_MODULATE; |
| 586 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 587 | if (description.hasTexture) { |
| 588 | shader.append(gFS_Uniforms_TextureSampler); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 589 | } else if (description.hasExternalTexture) { |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 590 | shader.append(gFS_Uniforms_ExternalTextureSampler); |
| 591 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 592 | if (description.hasGradient) { |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 593 | shader.appendFormat(gFS_Uniforms_GradientSampler[description.isSimpleGradient], |
| 594 | gFS_Uniforms_Dither); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 595 | } |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 596 | if (description.hasBitmap && description.isPoint) { |
| 597 | shader.append(gFS_Header_Uniforms_PointHasBitmap); |
| 598 | } |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 599 | if (description.hasGammaCorrection) { |
| 600 | shader.append(gFS_Uniforms_Gamma); |
| 601 | } |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 602 | |
| 603 | // Optimization for common cases |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 604 | if (!description.isAA && !blendFramebuffer && !description.hasColors && |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 605 | description.colorOp == ProgramDescription::kColorNone && |
| 606 | !description.isPoint && !description.hasDebugHighlight) { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 607 | bool fast = false; |
| 608 | |
| 609 | const bool noShader = !description.hasGradient && !description.hasBitmap; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 610 | const bool singleTexture = (description.hasTexture || description.hasExternalTexture) && |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 611 | !description.hasAlpha8Texture && noShader; |
| 612 | const bool singleA8Texture = description.hasTexture && |
| 613 | description.hasAlpha8Texture && noShader; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 614 | const bool singleGradient = !description.hasTexture && !description.hasExternalTexture && |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 615 | description.hasGradient && !description.hasBitmap && |
| 616 | description.gradientType == ProgramDescription::kGradientLinear; |
| 617 | |
| 618 | if (singleColor) { |
| 619 | shader.append(gFS_Fast_SingleColor); |
| 620 | fast = true; |
| 621 | } else if (singleTexture) { |
| 622 | if (!description.modulate) { |
| 623 | shader.append(gFS_Fast_SingleTexture); |
| 624 | } else { |
| 625 | shader.append(gFS_Fast_SingleModulateTexture); |
| 626 | } |
| 627 | fast = true; |
| 628 | } else if (singleA8Texture) { |
| 629 | if (!description.modulate) { |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 630 | if (description.hasGammaCorrection) { |
| 631 | shader.append(gFS_Fast_SingleA8Texture_ApplyGamma); |
| 632 | } else { |
| 633 | shader.append(gFS_Fast_SingleA8Texture); |
| 634 | } |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 635 | } else { |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 636 | if (description.hasGammaCorrection) { |
| 637 | shader.append(gFS_Fast_SingleModulateA8Texture_ApplyGamma); |
| 638 | } else { |
| 639 | shader.append(gFS_Fast_SingleModulateA8Texture); |
| 640 | } |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 641 | } |
| 642 | fast = true; |
| 643 | } else if (singleGradient) { |
| 644 | if (!description.modulate) { |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 645 | shader.appendFormat(gFS_Fast_SingleGradient[description.isSimpleGradient], |
| 646 | gFS_Main_Dither[mHasES3]); |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 647 | } else { |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 648 | shader.appendFormat(gFS_Fast_SingleModulateGradient[description.isSimpleGradient], |
| 649 | gFS_Main_Dither[mHasES3]); |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 650 | } |
| 651 | fast = true; |
| 652 | } |
| 653 | |
| 654 | if (fast) { |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 655 | #if DEBUG_PROGRAMS |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 656 | PROGRAM_LOGD("*** Fast case:\n"); |
| 657 | PROGRAM_LOGD("*** Generated fragment shader:\n\n"); |
| 658 | printLongString(shader); |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 659 | #endif |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 660 | |
| 661 | return shader; |
| 662 | } |
| 663 | } |
| 664 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 665 | if (description.hasBitmap) { |
| 666 | shader.append(gFS_Uniforms_BitmapSampler); |
| 667 | } |
| 668 | shader.append(gFS_Uniforms_ColorOp[description.colorOp]); |
| 669 | |
| 670 | // Generate required functions |
| 671 | if (description.hasGradient && description.hasBitmap) { |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 672 | generateBlend(shader, "blendShaders", description.shadersMode); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 673 | } |
| 674 | if (description.colorOp == ProgramDescription::kColorBlend) { |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 675 | generateBlend(shader, "blendColors", description.colorMode); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 676 | } |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 677 | if (blendFramebuffer) { |
| 678 | generateBlend(shader, "blendFramebuffer", description.framebufferMode); |
| 679 | } |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 680 | if (description.isBitmapNpot) { |
| 681 | generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT); |
| 682 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 683 | |
| 684 | // Begin the shader |
| 685 | shader.append(gFS_Main); { |
| 686 | // Stores the result in fragColor directly |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 687 | if (description.hasTexture || description.hasExternalTexture) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 688 | if (description.hasAlpha8Texture) { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 689 | if (!description.hasGradient && !description.hasBitmap) { |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 690 | shader.append(gFS_Main_FetchA8Texture[modulateOp * 2 + |
| 691 | description.hasGammaCorrection]); |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 692 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 693 | } else { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 694 | shader.append(gFS_Main_FetchTexture[modulateOp]); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 695 | } |
| 696 | } else { |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 697 | if (!description.hasGradient && !description.hasBitmap) { |
Romain Guy | 707b2f7 | 2010-10-11 16:34:59 -0700 | [diff] [blame] | 698 | shader.append(gFS_Main_FetchColor); |
| 699 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 700 | } |
| 701 | if (description.hasGradient) { |
Romain Guy | 42e1e0d | 2012-07-30 14:47:51 -0700 | [diff] [blame] | 702 | shader.append(gFS_Main_FetchGradient[gradientIndex(description)]); |
Romain Guy | b488004 | 2013-04-05 11:17:55 -0700 | [diff] [blame^] | 703 | shader.appendFormat(gFS_Main_AddDitherToGradient, gFS_Main_Dither[mHasES3]); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 704 | } |
| 705 | if (description.hasBitmap) { |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 706 | if (description.isPoint) { |
| 707 | shader.append(gFS_Main_PointBitmapTexCoords); |
| 708 | } |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 709 | if (!description.isBitmapNpot) { |
| 710 | shader.append(gFS_Main_FetchBitmap); |
| 711 | } else { |
| 712 | shader.append(gFS_Main_FetchBitmapNpot); |
| 713 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 714 | } |
Romain Guy | 740bf2b | 2011-04-26 15:33:10 -0700 | [diff] [blame] | 715 | bool applyModulate = false; |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 716 | // Case when we have two shaders set |
| 717 | if (description.hasGradient && description.hasBitmap) { |
| 718 | if (description.isBitmapFirst) { |
| 719 | shader.append(gFS_Main_BlendShadersBG); |
| 720 | } else { |
| 721 | shader.append(gFS_Main_BlendShadersGB); |
| 722 | } |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 723 | applyModulate = shaderOp(description, shader, modulateOp, |
| 724 | gFS_Main_BlendShaders_Modulate); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 725 | } else { |
| 726 | if (description.hasGradient) { |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 727 | applyModulate = shaderOp(description, shader, modulateOp, |
| 728 | gFS_Main_GradientShader_Modulate); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 729 | } else if (description.hasBitmap) { |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 730 | applyModulate = shaderOp(description, shader, modulateOp, |
| 731 | gFS_Main_BitmapShader_Modulate); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 732 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 733 | } |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 734 | |
Romain Guy | 740bf2b | 2011-04-26 15:33:10 -0700 | [diff] [blame] | 735 | if (description.modulate && applyModulate) { |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 736 | shader.append(gFS_Main_ModulateColor); |
Romain Guy | 740bf2b | 2011-04-26 15:33:10 -0700 | [diff] [blame] | 737 | } |
Romain Guy | a938f56 | 2012-09-13 20:31:08 -0700 | [diff] [blame] | 738 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 739 | // Apply the color op if needed |
| 740 | shader.append(gFS_Main_ApplyColorOp[description.colorOp]); |
Chris Craik | 9f44a13 | 2012-09-13 18:34:55 -0700 | [diff] [blame] | 741 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 742 | if (description.isAA) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 743 | shader.append(gFS_Main_AccountForAAVertexShape); |
Chris Craik | 9f44a13 | 2012-09-13 18:34:55 -0700 | [diff] [blame] | 744 | } |
| 745 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 746 | // Output the fragment |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 747 | if (!blendFramebuffer) { |
| 748 | shader.append(gFS_Main_FragColor); |
| 749 | } else { |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 750 | shader.append(!description.swapSrcDst ? |
| 751 | gFS_Main_FragColor_Blend : gFS_Main_FragColor_Blend_Swap); |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 752 | } |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 753 | if (description.hasColors) { |
| 754 | shader.append(gFS_Main_FragColor_HasColors); |
| 755 | } |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 756 | if (description.hasDebugHighlight) { |
| 757 | shader.append(gFS_Main_DebugHighlight); |
| 758 | } |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 759 | } |
| 760 | // End the shader |
| 761 | shader.append(gFS_Footer); |
| 762 | |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 763 | #if DEBUG_PROGRAMS |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 764 | PROGRAM_LOGD("*** Generated fragment shader:\n\n"); |
| 765 | printLongString(shader); |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 766 | #endif |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 767 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 768 | return shader; |
| 769 | } |
| 770 | |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 771 | void ProgramCache::generateBlend(String8& shader, const char* name, SkXfermode::Mode mode) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 772 | shader.append("\nvec4 "); |
| 773 | shader.append(name); |
| 774 | shader.append("(vec4 src, vec4 dst) {\n"); |
| 775 | shader.append(" "); |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 776 | shader.append(gBlendOps[mode]); |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 777 | shader.append("}\n"); |
| 778 | } |
| 779 | |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 780 | void ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) { |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 781 | shader.append("\nhighp vec2 wrap(highp vec2 texCoords) {\n"); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 782 | if (wrapS == GL_MIRRORED_REPEAT) { |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 783 | shader.append(" highp float xMod2 = mod(texCoords.x, 2.0);\n"); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 784 | shader.append(" if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n"); |
| 785 | } |
| 786 | if (wrapT == GL_MIRRORED_REPEAT) { |
Romain Guy | 6355347 | 2012-07-18 20:04:14 -0700 | [diff] [blame] | 787 | shader.append(" highp float yMod2 = mod(texCoords.y, 2.0);\n"); |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 788 | shader.append(" if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n"); |
| 789 | } |
| 790 | shader.append(" return vec2("); |
| 791 | switch (wrapS) { |
Romain Guy | 61c8c9c | 2010-08-09 20:48:09 -0700 | [diff] [blame] | 792 | case GL_CLAMP_TO_EDGE: |
| 793 | shader.append("texCoords.x"); |
| 794 | break; |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 795 | case GL_REPEAT: |
| 796 | shader.append("mod(texCoords.x, 1.0)"); |
| 797 | break; |
| 798 | case GL_MIRRORED_REPEAT: |
| 799 | shader.append("xMod2"); |
| 800 | break; |
| 801 | } |
| 802 | shader.append(", "); |
| 803 | switch (wrapT) { |
Romain Guy | 61c8c9c | 2010-08-09 20:48:09 -0700 | [diff] [blame] | 804 | case GL_CLAMP_TO_EDGE: |
| 805 | shader.append("texCoords.y"); |
| 806 | break; |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 807 | case GL_REPEAT: |
| 808 | shader.append("mod(texCoords.y, 1.0)"); |
| 809 | break; |
| 810 | case GL_MIRRORED_REPEAT: |
| 811 | shader.append("yMod2"); |
| 812 | break; |
| 813 | } |
| 814 | shader.append(");\n"); |
| 815 | shader.append("}\n"); |
| 816 | } |
| 817 | |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 818 | void ProgramCache::printLongString(const String8& shader) const { |
| 819 | ssize_t index = 0; |
| 820 | ssize_t lastIndex = 0; |
| 821 | const char* str = shader.string(); |
| 822 | while ((index = shader.find("\n", index)) > -1) { |
| 823 | String8 line(str, index - lastIndex); |
| 824 | if (line.length() == 0) line.append("\n"); |
| 825 | PROGRAM_LOGD("%s", line.string()); |
| 826 | index++; |
| 827 | str += (index - lastIndex); |
| 828 | lastIndex = index; |
| 829 | } |
| 830 | } |
| 831 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 832 | }; // namespace uirenderer |
| 833 | }; // namespace android |