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Rasterizer.h
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Rasterizer.h
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// Copyright (c) 2013- 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/Software/DrawPixel.h"
#include "GPU/Software/FuncId.h"
#include "GPU/Software/RasterizerRegCache.h"
#include "GPU/Software/Sampler.h"
#include "GPU/Software/TransformUnit.h" // for DrawingCoords
#ifdef _DEBUG
#define SOFTGPU_MEMORY_TAGGING_BASIC
#endif
// #define SOFTGPU_MEMORY_TAGGING_DETAILED
struct GPUDebugBuffer;
namespace Rasterizer {
struct RasterizerState {
PixelFuncID pixelID;
SamplerID samplerID;
SingleFunc drawPixel;
Sampler::LinearFunc linear;
Sampler::NearestFunc nearest;
int texbufw[8]{};
u8 *texptr[8]{};
};
void ComputeRasterizerState(RasterizerState *state);
// Draws a triangle if its vertices are specified in counter-clockwise order
void DrawTriangle(const VertexData &v0, const VertexData &v1, const VertexData &v2, const RasterizerState &state);
void DrawPoint(const VertexData &v0, const RasterizerState &state);
void DrawLine(const VertexData &v0, const VertexData &v1, const RasterizerState &state);
void ClearRectangle(const VertexData &v0, const VertexData &v1, const RasterizerState &state);
bool GetCurrentStencilbuffer(GPUDebugBuffer &buffer);
bool GetCurrentTexture(GPUDebugBuffer &buffer, int level);
// Shared functions with RasterizerRectangle.cpp
Vec3<int> AlphaBlendingResult(const PixelFuncID &pixelID, const Vec4<int> &source, const Vec4<int> &dst);
Vec4IntResult SOFTRAST_CALL GetTextureFunctionOutput(Vec4IntArg prim_color, Vec4IntArg texcolor);
} // namespace Rasterizer