ppsspp/GPU/Software/SoftGpu.h
2021-11-15 06:09:12 -08:00

135 lines
4.1 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/.
#pragma once
#include "GPU/GPUCommon.h"
#include "GPU/Common/GPUDebugInterface.h"
#include "Common/GPU/thin3d.h"
struct FormatBuffer {
FormatBuffer() { data = nullptr; }
union {
u8 *data;
u16 *as16;
u32 *as32;
};
inline void Set16(int x, int y, int stride, u16 v) {
as16[x + y * stride] = v;
}
inline void Set32(int x, int y, int stride, u32 v) {
as32[x + y * stride] = v;
}
inline u16 Get16(int x, int y, int stride) {
return as16[x + y * stride];
}
inline u32 Get32(int x, int y, int stride) {
return as32[x + y * stride];
}
inline u16 *Get16Ptr(int x, int y, int stride) {
return &as16[x + y * stride];
}
inline u32 *Get32Ptr(int x, int y, int stride) {
return &as32[x + y * stride];
}
};
class PresentationCommon;
class SoftwareDrawEngine;
class SoftGPU : public GPUCommon {
public:
SoftGPU(GraphicsContext *gfxCtx, Draw::DrawContext *draw);
~SoftGPU();
void CheckGPUFeatures() override {}
void InitClear() override {}
void ExecuteOp(u32 op, u32 diff) override;
void SetDisplayFramebuffer(u32 framebuf, u32 stride, GEBufferFormat format) override;
void CopyDisplayToOutput(bool reallyDirty) override;
void GetStats(char *buffer, size_t bufsize) override;
void InvalidateCache(u32 addr, int size, GPUInvalidationType type) override;
void NotifyVideoUpload(u32 addr, int size, int width, int format) override;
bool PerformMemoryCopy(u32 dest, u32 src, int size) override;
bool PerformMemorySet(u32 dest, u8 v, int size) override;
bool PerformMemoryDownload(u32 dest, int size) override;
bool PerformMemoryUpload(u32 dest, int size) override;
bool PerformStencilUpload(u32 dest, int size) override;
void ClearCacheNextFrame() override {}
void DeviceLost() override;
void DeviceRestore() override;
void Resized() override;
void GetReportingInfo(std::string &primaryInfo, std::string &fullInfo) override {
primaryInfo = "Software";
fullInfo = "Software";
}
bool FramebufferDirty() override;
bool FramebufferReallyDirty() override {
return !(gstate_c.skipDrawReason & SKIPDRAW_SKIPFRAME);
}
bool GetCurrentFramebuffer(GPUDebugBuffer &buffer, GPUDebugFramebufferType type, int maxRes = -1) override;
bool GetOutputFramebuffer(GPUDebugBuffer &buffer) override;
bool GetCurrentDepthbuffer(GPUDebugBuffer &buffer) override;
bool GetCurrentStencilbuffer(GPUDebugBuffer &buffer) override;
bool GetCurrentTexture(GPUDebugBuffer &buffer, int level) override;
bool GetCurrentClut(GPUDebugBuffer &buffer) override;
bool GetCurrentSimpleVertices(int count, std::vector<GPUDebugVertex> &vertices, std::vector<u16> &indices) override;
bool DescribeCodePtr(const u8 *ptr, std::string &name) override;
protected:
void FastRunLoop(DisplayList &list) override;
void CopyToCurrentFboFromDisplayRam(int srcwidth, int srcheight);
void ConvertTextureDescFrom16(Draw::TextureDesc &desc, int srcwidth, int srcheight, u8 *overrideData = nullptr);
private:
bool framebufferDirty_;
u32 displayFramebuf_;
u32 displayStride_;
GEBufferFormat displayFormat_;
PresentationCommon *presentation_ = nullptr;
SoftwareDrawEngine *drawEngine_ = nullptr;
Draw::Texture *fbTex = nullptr;
std::vector<u32> fbTexBuffer_;
};
// TODO: These shouldn't be global.
extern u32 clut[4096];
extern FormatBuffer fb;
extern FormatBuffer depthbuf;
// Type for the DarkStalkers stretch replacement.
enum class DSStretch {
Off = 0,
Normal,
Wide,
};