ppsspp/GPU/Software/Rasterizer.h

// 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 "TransformUnit.h" // for DrawingCoords

struct GPUDebugBuffer;

namespace Rasterizer {

// Draws a triangle if its vertices are specified in counter-clockwise order
void DrawTriangle(const VertexData& v0, const VertexData& v1, const VertexData& v2);
void DrawPoint(const VertexData &v0);
void DrawLine(const VertexData &v0, const VertexData &v1);
void ClearRectangle(const VertexData &v0, const VertexData &v1);

bool GetCurrentStencilbuffer(GPUDebugBuffer &buffer);
bool GetCurrentTexture(GPUDebugBuffer &buffer, int level);

// Shared functions with RasterizerRectangle.cpp
Vec3<int> AlphaBlendingResult(const Vec4<int> &source, const Vec4<int> &dst);
void DrawSinglePixelNonClear(const DrawingCoords &p, u16 z, u8 fog, const Vec4<int> &color_in);
Vec4<int> GetTextureFunctionOutput(const Vec4<int>& prim_color, const Vec4<int>& texcolor);

}  // namespace Rasterizer