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Introduce a configurable test case generator.

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This lets us generate long lists of settings permutations by writing a
simple JSON spec. For example, the following spec would generate six
`Settings` objects, all of which have SSAO enabled. See the unit test
for a larger example.

```
{
    "name": "viewopts",
    "base": { "view.ssao.enabled": true }
    "permute": {
        "view.dithering": ["NONE", "TEMPORAL"],
        "view.sampleCount": [1, 4, 8]
    }
}
```
This commit is contained in:
Philip Rideout
2020-09-29 16:10:21 -07:00
parent 44d4694c29
commit 094e7169cc
8 changed files with 361 additions and 16 deletions
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16
libs/viewer/src/Settings.cpp
View File

@@ -18,16 +18,12 @@
#include <utils/Log.h>
#include <sstream>
#include <string>
#include "parse.h"
#include <assert.h>
#include <jsmn.h>
#define CHECK_TOKTYPE(tok_, type_) if ((tok_).type != (type_)) { return -1; }
#define CHECK_KEY(tok_) if ((tok_).type != JSMN_STRING || (tok_).size == 0) { return -1; }
#define STR(tok, jsonChunk) std::string(jsonChunk + tok.start, tok.end - tok.start)
#include <sstream>
#include <string>
using namespace utils;
@@ -35,14 +31,14 @@ namespace filament {
namespace viewer {
// Compares a JSON string token against a C string.
static int compare(jsmntok_t tok, const char* jsonChunk, const char* str) {
int compare(jsmntok_t tok, const char* jsonChunk, const char* str) {
size_t slen = strlen(str);
size_t tlen = tok.end - tok.start;
return (slen == tlen) ? strncmp(jsonChunk + tok.start, str, slen) : 128;
}
// Skips over an unused token.
static int parse(jsmntok_t const* tokens, int i) {
int parse(jsmntok_t const* tokens, int i) {
int end = i + 1;
while (i < end) {
switch (tokens[i].type) {
@@ -573,7 +569,7 @@ static int parse(jsmntok_t const* tokens, int i, const char* jsonChunk, ViewSett
return i;
}
static int parse(jsmntok_t const* tokens, int i, const char* jsonChunk, Settings* out) {
int parse(jsmntok_t const* tokens, int i, const char* jsonChunk, Settings* out) {
CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
int size = tokens[i++].size;
for (int j = 0; j < size; ++j) {