1 /* 2 * Copyright 2017 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #ifndef gm_knowledge_DEFINED 8 #define gm_knowledge_DEFINED 9 10 #include <cstdint> 11 12 namespace skqp { 13 class AssetManager; 14 } 15 16 namespace gmkb { 17 18 enum class Error { 19 kNone, /**< No error. */ 20 kBadInput, /**< Error with the given image data. */ 21 kBadData, /**< Error with the given gmkb data directory. */ 22 }; 23 24 /** 25 Check if the given test image matches the expected results. 26 27 Each pixel is an un-pre-multiplied RGBA color: 28 uint32_t make_color(uint8_t r, uint8_t g, uint8_t b, uint8_t a) { 29 return (r << 0) | (g << 8) | (b << 16) | (a << 24); 30 } 31 32 The image's rowBytes is width*sizeof(uint32_t): 33 uint32_t* get_pixel_addr(uint32_t* pixels, int width, int height, int x, int y) { 34 assert(x >= 0 && x < width); 35 assert(y >= 0 && y < height); 36 return &pixels[x + (width * y)]; 37 } 38 39 @param pixels, width, height the image 40 @param gm_name the name of the rendering test that produced the image 41 @param backend (optional) name of the backend 42 @param asset_manager GM KnowledgeBase data files 43 @param report_directory_path (optional) locatation to write report to. 44 @param error_out (optional) error return code. 45 46 @return 0 if the test passes, otherwise a positive number representing how 47 badly it failed. Return FLT_MAX on error. 48 */ 49 50 float Check(const uint32_t* pixels, 51 int width, 52 int height, 53 const char* name, 54 const char* backend, 55 skqp::AssetManager* asset_manager, 56 const char* report_directory_path, 57 Error* error_out); 58 59 /** 60 Call this after running all checks. 61 62 @param report_directory_path locatation to write report to. 63 */ 64 bool MakeReport(const char* report_directory_path); 65 } // namespace gmkb 66 67 #endif // gm_knowledge_DEFINED 68
