mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-11-14 08:30:49 +00:00
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
|
|
** SetupTriangle code generation
|
|
** Copyright (c) 2016 Magnus Norddahl
|
|
**
|
|
** This software is provided 'as-is', without any express or implied
|
|
** warranty. In no event will the authors be held liable for any damages
|
|
** arising from the use of this software.
|
|
**
|
|
** Permission is granted to anyone to use this software for any purpose,
|
|
** including commercial applications, and to alter it and redistribute it
|
|
** freely, subject to the following restrictions:
|
|
**
|
|
** 1. The origin of this software must not be misrepresented; you must not
|
|
** claim that you wrote the original software. If you use this software
|
|
** in a product, an acknowledgment in the product documentation would be
|
|
** appreciated but is not required.
|
|
** 2. Altered source versions must be plainly marked as such, and must not be
|
|
** misrepresented as being the original software.
|
|
** 3. This notice may not be removed or altered from any source distribution.
|
|
**
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "drawercodegen.h"
|
|
|
|
struct SSASetupVertex
|
|
{
|
|
SSAFloat x, y, z, w;
|
|
};
|
|
|
|
class SetupTriangleCodegen : public DrawerCodegen
|
|
{
|
|
public:
|
|
void Generate(bool subsectorTest, SSAValue args, SSAValue thread_data);
|
|
|
|
private:
|
|
void LoadArgs(SSAValue args, SSAValue thread_data);
|
|
SSASetupVertex LoadTriVertex(SSAValue v);
|
|
void Setup();
|
|
SSAInt FloatTo28_4(SSAFloat v);
|
|
void LoopBlockY();
|
|
void LoopBlockX();
|
|
void LoopFullBlock();
|
|
void LoopPartialBlock(bool isSingleStencilValue);
|
|
|
|
void SetStencilBlock(SSAInt block);
|
|
void StencilClear(SSAUByte value);
|
|
SSAUByte StencilGetSingle();
|
|
SSABool StencilIsSingleValue();
|
|
|
|
bool subsectorTest;
|
|
|
|
SSAStack<SSAInt> stack_C1, stack_C2, stack_C3;
|
|
SSAStack<SSAInt> stack_y;
|
|
SSAStack<SSAUBytePtr> stack_subsectorGBuffer;
|
|
SSAStack<SSAInt> stack_x;
|
|
SSAStack<SSAUBytePtr> stack_buffer;
|
|
SSAStack<SSAInt> stack_iy, stack_ix;
|
|
SSAStack<SSAInt> stack_CY1, stack_CY2, stack_CY3;
|
|
SSAStack<SSAInt> stack_CX1, stack_CX2, stack_CX3;
|
|
//SSAStack<SSABool> stack_stencilblock_restored;
|
|
//SSAStack<SSAUByte> stack_stencilblock_lastval;
|
|
|
|
SSAUBytePtr subsectorGBuffer;
|
|
SSAInt pitch;
|
|
SSASetupVertex v1;
|
|
SSASetupVertex v2;
|
|
SSASetupVertex v3;
|
|
SSAInt clipright;
|
|
SSAInt clipbottom;
|
|
|
|
SSAUBytePtr stencilValues;
|
|
SSAIntPtr stencilMasks;
|
|
SSAInt stencilPitch;
|
|
SSAUByte stencilTestValue;
|
|
SSAUByte stencilWriteValue;
|
|
|
|
SSAWorkerThread thread;
|
|
|
|
// Block size, standard 8x8 (must be power of two)
|
|
const int q = 8;
|
|
|
|
SSAInt Y1, Y2, Y3;
|
|
SSAInt X1, X2, X3;
|
|
SSAInt DX12, DX23, DX31;
|
|
SSAInt DY12, DY23, DY31;
|
|
SSAInt FDX12, FDX23, FDX31;
|
|
SSAInt FDY12, FDY23, FDY31;
|
|
SSAInt minx, maxx, miny, maxy;
|
|
SSAInt C1, C2, C3;
|
|
|
|
SSAInt x, y;
|
|
SSAInt x0, x1, y0, y1;
|
|
|
|
SSAUBytePtr StencilBlock;
|
|
SSAIntPtr StencilBlockMask;
|
|
};
|