1Runtime Configuration Settings 2============================== 3 4Here is a (partial) list of Skia's runtime configuration settings: 5 6## Warning suppression: 7 8* configuration name: images.gif.suppressDecoderWarnings 9 environment variable: skia_images_gif_suppressDecoderWarnings 10 type: boolean 11 description: Suppress GIF warnings and errors when calling image decode 12 functions. 13 default: true. 14 15* configuration name: images.jpeg.suppressDecoderWarnings 16 environment variable: skia_images_jpeg_suppressDecoderWarnings 17 type: boolean 18 description: Suppress most JPG warnings when calling decode functions. 19 default: false in debug, true otherwise. 20 21* configuration name: images.jpeg.suppressDecoderErrors 22 environment variable: skia_images_jpeg_suppressDecoderErrors 23 type: boolean 24 description: Suppress most JPG error messages when decode function fails. 25 default: false in debug, true otherwise. 26 27* configuration name: images.png.suppressDecoderWarnings 28 environment variable: skia_images_png_suppressDecoderWarnings 29 type: boolean 30 description: Suppress most PNG warnings when calling image decode functions. 31 default: false in debug, true otherwise. 32 33## Other: 34 35* configuration name: bitmap.filter 36 environment variable: skia_bitmap_filter 37 type: string 38 description: Which scanline bitmap filter to use \[mitchell, lanczos, hamming, 39 gaussian, triangle, box\] 40 default: mitchell 41 42* configuration name: mask.filter.analyticNinePatch 43 environment variable: skia_mask_filter_analyticNinePatch 44 type: boolean 45 description: Use the faster analytic blur approach for ninepatch rects 46 default: \? 47 48* configuration name: gpu.deferContext 49 environment variable: skia_gpu_deferContext 50 type: boolean 51 description: Defers rendering in GrContext via GrInOrderDrawBuffer 52 default: true 53 54* configuration name: gpu.dumpFontCache 55 environment variable: skia_gpu_dumpFontCache 56 type: boolean 57 description: Dump the contents of the font cache before every purge 58 default: false 59 60* configuration name: bitmap.filter.highQualitySSE 61 environment variable: skia_bitmap_filter_highQualitySSE 62 type: boolean 63 description: Use SSE optimized version of high quality image filters 64 default: false 65 66## Use: 67 68These configuration values can be changed at runtime by including this in your 69program: 70 71<!--?prettify?--> 72~~~~ 73#include "SkRTConf.h" 74/*...*/ 75int main() { 76 SK_CONF_SET( configuration_name, new_value ); 77 /*...*/ 78~~~~ 79 80Or by setting the corresponding environment variable before starting the 81program. For example, in Bourne shell: 82 83<!--?prettify?--> 84~~~~ 85#!/bin/sh 86export skia_environment_variable="new_value" 87your_program 88~~~~ 89 90
