mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-12 16:06:11 +00:00
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#include "Compare.h"
|
|
#include "FileUtil.h"
|
|
|
|
#include <math.h>
|
|
|
|
bool CompareOutput(const std::string bootFilename)
|
|
{
|
|
std::string expect_filename = bootFilename.substr(bootFilename.length() - 4) + ".expected";
|
|
if (File::Exists(expect_filename))
|
|
{
|
|
// TODO: Do the compare here
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "Expectation file %s not found", expect_filename.c_str());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
inline int ComparePixel(u32 pix1, u32 pix2)
|
|
{
|
|
// For now, if they're different at all except alpha, it's an error.
|
|
if ((pix1 & 0xFFFFFF) != (pix2 & 0xFFFFFF))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
double CompareScreenshot(const u8 *pixels, int w, int h, int stride, const std::string screenshotFilename, std::string &error)
|
|
{
|
|
u32 *pixels32 = (u32 *) pixels;
|
|
// We assume the bitmap is the specified size, not including whatever stride.
|
|
u32 *reference = (u32 *) calloc(w * h, sizeof(u32));
|
|
|
|
FILE *bmp = fopen(screenshotFilename.c_str(), "rb");
|
|
if (bmp)
|
|
{
|
|
// The bitmap header is 14 + 40 bytes. We could validate it but the test would fail either way.
|
|
fseek(bmp, 14 + 40, SEEK_SET);
|
|
fread(reference, sizeof(u32), w * h, bmp);
|
|
fclose(bmp);
|
|
}
|
|
else
|
|
{
|
|
error = "Unable to read screenshot: " + screenshotFilename;
|
|
free(reference);
|
|
return -1.0f;
|
|
}
|
|
|
|
u32 errors = 0;
|
|
for (int y = 0; y < h; ++y)
|
|
{
|
|
for (int x = 0; x < w; ++x)
|
|
errors += ComparePixel(pixels32[y * stride + x], reference[y * w + x]);
|
|
}
|
|
|
|
free(reference);
|
|
|
|
return (double) errors / (double) (w * h);
|
|
} |