ppsspp/unittest/TestSoftwareGPUJit.cpp
2022-01-29 18:47:36 -08:00

82 lines
2.2 KiB
C++

// Copyright (c) 2022- 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 "Common/Data/Random/Rng.h"
#include "Common/StringUtils.h"
#include "Core/Config.h"
#include "GPU/Software/DrawPixel.h"
#include "GPU/Software/Sampler.h"
#include "GPU/Software/SoftGpu.h"
static bool TestPixelJit() {
using namespace Rasterizer;
PixelJitCache *cache = new PixelJitCache();
GMRng rng;
int successes = 0;
int count = 3000;
bool header = false;
u32 *fb_data = new u32[512 * 2];
u16 *zb_data = new u16[512 * 2];
fb.as32 = fb_data;
depthbuf.as16 = zb_data;
for (int i = 0; i < count; ) {
PixelFuncID id;
memset(&id, 0, sizeof(id));
id.fullKey = (uint64_t)rng.R32() | ((uint64_t)rng.R32() << 32);
std::string desc = DescribePixelFuncID(id);
if (startsWith(desc, "INVALID"))
continue;
i++;
SingleFunc func = cache->GetSingle(id);
SingleFunc genericFunc = cache->GenericSingle(id);
if (func != genericFunc) {
successes++;
} else {
if (!header)
printf("Failed funcs:\n");
header = true;
printf(" * %s\n", desc.c_str());
}
// Try running it to make sure it doesn't trivially crash.
func(0, 0, 1000, 255, ToVec4IntArg(Math3D::Vec4<int>(127, 127, 127, 127)), id);
}
if (successes < count)
printf("PixelFunc success: %d / %d\n", successes, count);
delete [] fb_data;
delete [] zb_data;
delete cache;
return successes == count && !HitAnyAsserts();
}
bool TestSoftwareGPUJit() {
g_Config.bSoftwareRenderingJit = true;
ResetHitAnyAsserts();
if (!TestPixelJit()) {
return false;
}
return true;
}