8a00144035
Change-Id: I67529f6c0ac26da603f60af22c620f8f603d8a19 Reviewed-on: https://skia-review.googlesource.com/155564 Commit-Queue: Ben Wagner <bungeman@google.com> Reviewed-by: Ben Wagner <bungeman@google.com> Auto-Submit: Hal Canary <halcanary@google.com>
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "SkPM4f.h"
|
|
#include "SkRasterPipeline.h"
|
|
#include "SkTypes.h"
|
|
#include "Test.h"
|
|
#include "../src/jumper/SkJumper.h"
|
|
|
|
#include <math.h>
|
|
|
|
DEF_TEST(sk_pipeline_srgb_roundtrip, r) {
|
|
uint32_t reds[256];
|
|
for (int i = 0; i < 256; i++) {
|
|
reds[i] = i;
|
|
}
|
|
|
|
SkJumper_MemoryCtx ptr = { reds, 0 };
|
|
|
|
SkRasterPipeline_<256> p;
|
|
p.append(SkRasterPipeline::load_8888, &ptr);
|
|
p.append(SkRasterPipeline::from_srgb);
|
|
p.append(SkRasterPipeline::to_srgb);
|
|
p.append(SkRasterPipeline::store_8888, &ptr);
|
|
|
|
p.run(0,0,256,1);
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
if (reds[i] != (uint32_t)i) {
|
|
ERRORF(r, "%d doesn't round trip, %d", i, reds[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(sk_pipeline_srgb_edge_cases, r) {
|
|
// We need to run at least 4 pixels to make sure we hit all specializations.
|
|
SkPM4f colors[4] = { {{0,1,1,1}}, {{0,0,0,0}}, {{0,0,0,0}}, {{0,0,0,0}} };
|
|
auto& color = colors[0];
|
|
|
|
SkJumper_MemoryCtx dst = { &color, 0 };
|
|
|
|
SkSTArenaAlloc<256> alloc;
|
|
SkRasterPipeline p(&alloc);
|
|
p.append_constant_color(&alloc, color);
|
|
p.append(SkRasterPipeline::to_srgb);
|
|
p.append(SkRasterPipeline::store_f32, &dst);
|
|
p.run(0,0,4,1);
|
|
|
|
if (color.r() != 0.0f) {
|
|
ERRORF(r, "expected to_srgb() to map 0.0f to 0.0f, got %f", color.r());
|
|
}
|
|
if (color.g() != 1.0f) {
|
|
float f = color.g();
|
|
uint32_t x;
|
|
memcpy(&x, &f, 4);
|
|
ERRORF(r, "expected to_srgb() to map 1.0f to 1.0f, got %f (%08x)", color.g(), x);
|
|
}
|
|
}
|