dolphin/Source/Core/VideoBackends/Software/DebugUtil.cpp

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// Copyright 2009 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/Software/DebugUtil.h"
#include <cstring>
#include <memory>
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#include "Common/Image.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
#include "VideoBackends/Software/EfbInterface.h"
#include "VideoBackends/Software/TextureSampler.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VideoCommon.h"
#include "VideoCommon/VideoConfig.h"
namespace DebugUtil
{
static const int NUM_OBJECT_BUFFERS = 40;
static u32* ObjectBuffer[NUM_OBJECT_BUFFERS];
static u32 TempBuffer[NUM_OBJECT_BUFFERS];
static bool DrawnToBuffer[NUM_OBJECT_BUFFERS];
static const char* ObjectBufferName[NUM_OBJECT_BUFFERS];
static int BufferBase[NUM_OBJECT_BUFFERS];
void Init()
{
for (int i = 0; i < NUM_OBJECT_BUFFERS; i++)
{
ObjectBuffer[i] = new u32[EFB_WIDTH * EFB_HEIGHT]();
DrawnToBuffer[i] = false;
ObjectBufferName[i] = nullptr;
BufferBase[i] = 0;
}
}
void Shutdown()
{
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for (auto& slot : ObjectBuffer)
{
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delete[] slot;
}
}
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static void SaveTexture(const std::string& filename, u32 texmap, s32 mip)
{
u32 width = bpmem.tex.GetUnit(texmap).texImage0.width + 1;
u32 height = bpmem.tex.GetUnit(texmap).texImage0.height + 1;
auto data = std::make_unique<u8[]>(width * height * 4);
GetTextureRGBA(data.get(), texmap, mip, width, height);
Common::SavePNG(filename, data.get(), Common::ImageByteFormat::RGBA, width, height, width * 4);
}
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void GetTextureRGBA(u8* dst, u32 texmap, s32 mip, u32 width, u32 height)
{
for (u32 y = 0; y < height; y++)
{
for (u32 x = 0; x < width; x++)
{
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TextureSampler::SampleMip(x << 7, y << 7, mip, false, texmap, dst);
dst += 4;
}
}
}
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static s32 GetMaxTextureLod(u32 texmap)
{
u8 maxLod = bpmem.tex.GetUnit(texmap).texMode1.max_lod;
u8 mip = maxLod >> 4;
u8 fract = maxLod & 0xf;
if (fract)
++mip;
return (s32)mip;
}
void DumpActiveTextures()
{
for (unsigned int stageNum = 0; stageNum < bpmem.genMode.numindstages; stageNum++)
{
u32 texmap = bpmem.tevindref.getTexMap(stageNum);
s32 maxLod = GetMaxTextureLod(texmap);
for (s32 mip = 0; mip <= maxLod; ++mip)
{
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SaveTexture(StringFromFormat("%star%i_ind%i_map%i_mip%i.png",
File::GetUserPath(D_DUMPTEXTURES_IDX).c_str(),
g_stats.this_frame.num_drawn_objects, stageNum, texmap, mip),
texmap, mip);
}
}
for (unsigned int stageNum = 0; stageNum <= bpmem.genMode.numtevstages; stageNum++)
{
int stageNum2 = stageNum >> 1;
int stageOdd = stageNum & 1;
TwoTevStageOrders& order = bpmem.tevorders[stageNum2];
int texmap = order.getTexMap(stageOdd);
s32 maxLod = GetMaxTextureLod(texmap);
for (s32 mip = 0; mip <= maxLod; ++mip)
{
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SaveTexture(StringFromFormat("%star%i_stage%i_map%i_mip%i.png",
File::GetUserPath(D_DUMPTEXTURES_IDX).c_str(),
g_stats.this_frame.num_drawn_objects, stageNum, texmap, mip),
texmap, mip);
}
}
}
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static void DumpEfb(const std::string& filename)
{
auto data = std::make_unique<u8[]>(EFB_WIDTH * EFB_HEIGHT * 4);
u8* writePtr = data.get();
for (u32 y = 0; y < EFB_HEIGHT; y++)
{
for (u32 x = 0; x < EFB_WIDTH; x++)
{
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// ABGR to RGBA
const u32 sample = Common::swap32(EfbInterface::GetColor(x, y));
std::memcpy(writePtr, &sample, sizeof(u32));
writePtr += sizeof(u32);
}
}
Common::SavePNG(filename, data.get(), Common::ImageByteFormat::RGBA, EFB_WIDTH, EFB_HEIGHT,
EFB_WIDTH * 4);
}
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void DrawObjectBuffer(s16 x, s16 y, const u8* color, int bufferBase, int subBuffer,
const char* name)
{
int buffer = bufferBase + subBuffer;
u32 offset = (x + y * EFB_WIDTH) * 4;
u8* dst = (u8*)&ObjectBuffer[buffer][offset];
*(dst++) = color[2];
*(dst++) = color[1];
*(dst++) = color[0];
*(dst++) = color[3];
DrawnToBuffer[buffer] = true;
ObjectBufferName[buffer] = name;
BufferBase[buffer] = bufferBase;
}
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void DrawTempBuffer(const u8* color, int buffer)
{
u8* dst = (u8*)&TempBuffer[buffer];
*(dst++) = color[2];
*(dst++) = color[1];
*(dst++) = color[0];
*(dst++) = color[3];
}
void CopyTempBuffer(s16 x, s16 y, int bufferBase, int subBuffer, const char* name)
{
int buffer = bufferBase + subBuffer;
u32 offset = (x + y * EFB_WIDTH);
ObjectBuffer[buffer][offset] = TempBuffer[buffer];
DrawnToBuffer[buffer] = true;
ObjectBufferName[buffer] = name;
BufferBase[buffer] = bufferBase;
}
void OnObjectBegin()
{
if (g_ActiveConfig.bDumpTextures &&
g_stats.this_frame.num_drawn_objects >= g_ActiveConfig.drawStart &&
g_stats.this_frame.num_drawn_objects < g_ActiveConfig.drawEnd)
{
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DumpActiveTextures();
}
}
void OnObjectEnd()
{
if (g_ActiveConfig.bDumpObjects &&
g_stats.this_frame.num_drawn_objects >= g_ActiveConfig.drawStart &&
g_stats.this_frame.num_drawn_objects < g_ActiveConfig.drawEnd)
{
DumpEfb(StringFromFormat("%sobject%i.png", File::GetUserPath(D_DUMPOBJECTS_IDX).c_str(),
g_stats.this_frame.num_drawn_objects));
}
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for (int i = 0; i < NUM_OBJECT_BUFFERS; i++)
{
if (DrawnToBuffer[i])
{
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DrawnToBuffer[i] = false;
std::string filename = StringFromFormat(
"%sobject%i_%s(%i).png", File::GetUserPath(D_DUMPOBJECTS_IDX).c_str(),
g_stats.this_frame.num_drawn_objects, ObjectBufferName[i], i - BufferBase[i]);
Common::SavePNG(filename, reinterpret_cast<u8*>(ObjectBuffer[i]),
Common::ImageByteFormat::RGBA, EFB_WIDTH, EFB_HEIGHT, EFB_WIDTH * 4);
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memset(ObjectBuffer[i], 0, EFB_WIDTH * EFB_HEIGHT * sizeof(u32));
}
}
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g_stats.this_frame.num_drawn_objects++;
}
} // namespace DebugUtil