mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-11-14 00:21:34 +00:00
1413 lines
46 KiB
C++
1413 lines
46 KiB
C++
/*
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** DrawTriangle code generation
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#include "precomp.h"
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#include "timestamp.h"
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#include "fixedfunction/drawtrianglecodegen.h"
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#include "ssa/ssa_function.h"
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#include "ssa/ssa_scope.h"
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#include "ssa/ssa_for_block.h"
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#include "ssa/ssa_if_block.h"
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#include "ssa/ssa_stack.h"
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#include "ssa/ssa_function.h"
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#include "ssa/ssa_struct_type.h"
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#include "ssa/ssa_value.h"
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void DrawTriangleCodegen::Generate(TriBlendMode blendmode, bool truecolor, bool colorfill, SSAValue args, SSAValue thread_data)
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{
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this->blendmode = blendmode;
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this->truecolor = truecolor;
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this->colorfill = colorfill;
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pixelsize = truecolor ? 4 : 1;
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LoadArgs(args, thread_data);
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CalculateGradients();
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DrawFullSpans();
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DrawPartialBlocks();
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}
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void DrawTriangleCodegen::DrawFullSpans()
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{
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stack_i.store(SSAInt(0));
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SSAForBlock loop;
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SSAInt i = stack_i.load();
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loop.loop_block(i < numSpans, 0);
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{
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SSAInt spanX = SSAShort(fullSpans[i][0].load(true).v).zext_int();
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SSAInt spanY = SSAShort(fullSpans[i][1].load(true).v).zext_int();
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SSAInt spanLength = fullSpans[i][2].load(true);
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SSAInt width = spanLength;
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SSAInt height = SSAInt(8);
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stack_dest.store(destOrg[(spanX + spanY * pitch) * pixelsize]);
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stack_posYW.store(start.W + gradientX.W * (spanX - startX) + gradientY.W * (spanY - startY));
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_posYVarying[j].store(start.Varying[j] + gradientX.Varying[j] * (spanX - startX) + gradientY.Varying[j] * (spanY - startY));
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stack_y.store(SSAInt(0));
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SSAForBlock loop_y;
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SSAInt y = stack_y.load();
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SSAUBytePtr dest = stack_dest.load();
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SSAStepVariables blockPosY;
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blockPosY.W = stack_posYW.load();
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosY.Varying[j] = stack_posYVarying[j].load();
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loop_y.loop_block(y < height, 0);
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{
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stack_posXW.store(blockPosY.W);
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_posXVarying[j].store(blockPosY.Varying[j]);
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SSAFloat rcpW = SSAFloat((float)0x01000000) / blockPosY.W;
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stack_lightpos.store(FRACUNIT - SSAInt(SSAFloat::clamp(shade - SSAFloat::MIN(SSAFloat(24.0f), globVis * blockPosY.W) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * (float)FRACUNIT, true));
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_varyingPos[j].store(SSAInt(blockPosY.Varying[j] * rcpW, false));
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stack_x.store(SSAInt(0));
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SSAForBlock loop_x;
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SSAInt x = stack_x.load();
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SSAStepVariables blockPosX;
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blockPosX.W = stack_posXW.load();
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosX.Varying[j] = stack_posXVarying[j].load();
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SSAInt lightpos = stack_lightpos.load();
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SSAInt varyingPos[TriVertex::NumVarying];
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for (int j = 0; j < TriVertex::NumVarying; j++)
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varyingPos[j] = stack_varyingPos[j].load();
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loop_x.loop_block(x < width, 0);
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{
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blockPosX.W = blockPosX.W + gradientX.W * 8.0f;
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosX.Varying[j] = blockPosX.Varying[j] + gradientX.Varying[j] * 8.0f;
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rcpW = SSAFloat((float)0x01000000) / blockPosX.W;
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SSAInt varyingStep[TriVertex::NumVarying];
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for (int j = 0; j < TriVertex::NumVarying; j++)
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{
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SSAInt nextPos = SSAInt(blockPosX.Varying[j] * rcpW, false);
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varyingStep[j] = (nextPos - varyingPos[j]) / 8;
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}
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SSAInt lightnext = FRACUNIT - SSAInt(SSAFloat::clamp(shade - SSAFloat::MIN(SSAFloat(24.0f), globVis * blockPosX.W) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * (float)FRACUNIT, true);
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SSAInt lightstep = (lightnext - lightpos) / 8;
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for (int ix = 0; ix < 8; ix++)
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{
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if (truecolor)
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{
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currentlight = is_fixed_light.select(light, lightpos >> 8);
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SSAUBytePtr destptr = dest[(x * 8 + ix) * 4];
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destptr.store_vec4ub(ProcessPixel32(destptr.load_vec4ub(false), varyingPos));
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}
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else
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{
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currentlight = is_fixed_light.select(light, lightpos >> 8);
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SSAInt colormapindex = SSAInt::MIN((256 - currentlight) * 32 / 256, SSAInt(31));
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currentcolormap = Colormaps[colormapindex << 8];
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SSAUBytePtr destptr = dest[(x * 8 + ix)];
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destptr.store(ProcessPixel8(destptr.load(false).zext_int(), varyingPos).trunc_ubyte());
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}
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for (int j = 0; j < TriVertex::NumVarying; j++)
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varyingPos[j] = varyingPos[j] + varyingStep[j];
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lightpos = lightpos + lightstep;
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}
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_varyingPos[j].store(varyingPos[j]);
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stack_lightpos.store(lightpos);
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stack_posXW.store(blockPosX.W);
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_posXVarying[j].store(blockPosX.Varying[j]);
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stack_x.store(x + 1);
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}
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loop_x.end_block();
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stack_posYW.store(blockPosY.W + gradientY.W);
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for (int j = 0; j < TriVertex::NumVarying; j++)
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stack_posYVarying[j].store(blockPosY.Varying[j] + gradientY.Varying[j]);
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stack_dest.store(dest[pitch * pixelsize]);
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stack_y.store(y + 1);
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}
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loop_y.end_block();
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stack_i.store(i + 1);
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}
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loop.end_block();
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}
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void DrawTriangleCodegen::DrawPartialBlocks()
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{
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stack_i.store(SSAInt(0));
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SSAForBlock loop;
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SSAInt i = stack_i.load();
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loop.loop_block(i < numBlocks, 0);
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{
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SSAInt blockX = SSAShort(partialBlocks[i][0].load(true).v).zext_int();
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SSAInt blockY = SSAShort(partialBlocks[i][1].load(true).v).zext_int();
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SSAInt mask0 = partialBlocks[i][2].load(true);
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SSAInt mask1 = partialBlocks[i][3].load(true);
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SSAUBytePtr dest = destOrg[(blockX + blockY * pitch) * pixelsize];
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SSAStepVariables blockPosY;
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blockPosY.W = start.W + gradientX.W * (blockX - startX) + gradientY.W * (blockY - startY);
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosY.Varying[j] = start.Varying[j] + gradientX.Varying[j] * (blockX - startX) + gradientY.Varying[j] * (blockY - startY);
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for (int maskNum = 0; maskNum < 2; maskNum++)
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{
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SSAInt mask = (maskNum == 0) ? mask0 : mask1;
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for (int y = 0; y < 4; y++)
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{
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SSAStepVariables blockPosX = blockPosY;
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SSAFloat rcpW = SSAFloat((float)0x01000000) / blockPosX.W;
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SSAInt varyingPos[TriVertex::NumVarying];
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for (int j = 0; j < TriVertex::NumVarying; j++)
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varyingPos[j] = SSAInt(blockPosX.Varying[j] * rcpW, false);
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SSAInt lightpos = FRACUNIT - SSAInt(SSAFloat::clamp(shade - SSAFloat::MIN(SSAFloat(24.0f), globVis * blockPosX.W) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * (float)FRACUNIT, true);
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blockPosX.W = blockPosX.W + gradientX.W * 8.0f;
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosX.Varying[j] = blockPosX.Varying[j] + gradientX.Varying[j] * 8.0f;
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rcpW = SSAFloat((float)0x01000000) / blockPosX.W;
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SSAInt varyingStep[TriVertex::NumVarying];
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for (int j = 0; j < TriVertex::NumVarying; j++)
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{
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SSAInt nextPos = SSAInt(blockPosX.Varying[j] * rcpW, false);
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varyingStep[j] = (nextPos - varyingPos[j]) / 8;
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}
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SSAInt lightnext = FRACUNIT - SSAInt(SSAFloat::clamp(shade - SSAFloat::MIN(SSAFloat(24.0f), globVis * blockPosX.W) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * (float)FRACUNIT, true);
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SSAInt lightstep = (lightnext - lightpos) / 8;
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for (int x = 0; x < 8; x++)
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{
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SSABool covered = !((mask & (1 << (31 - y * 8 - x))) == SSAInt(0));
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SSAIfBlock branch;
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branch.if_block(covered);
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{
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if (truecolor)
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{
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currentlight = is_fixed_light.select(light, lightpos >> 8);
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SSAUBytePtr destptr = dest[x * 4];
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destptr.store_vec4ub(ProcessPixel32(destptr.load_vec4ub(false), varyingPos));
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}
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else
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{
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currentlight = is_fixed_light.select(light, lightpos >> 8);
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SSAInt colormapindex = SSAInt::MIN((256 - currentlight) * 32 / 256, SSAInt(31));
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currentcolormap = Colormaps[colormapindex << 8];
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SSAUBytePtr destptr = dest[x];
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destptr.store(ProcessPixel8(destptr.load(false).zext_int(), varyingPos).trunc_ubyte());
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}
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}
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branch.end_block();
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for (int j = 0; j < TriVertex::NumVarying; j++)
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varyingPos[j] = varyingPos[j] + varyingStep[j];
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lightpos = lightpos + lightstep;
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}
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blockPosY.W = blockPosY.W + gradientY.W;
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for (int j = 0; j < TriVertex::NumVarying; j++)
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blockPosY.Varying[j] = blockPosY.Varying[j] + gradientY.Varying[j];
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dest = dest[pitch * pixelsize];
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}
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}
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stack_i.store(i + 1);
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}
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loop.end_block();
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}
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SSAVec4i DrawTriangleCodegen::TranslateSample32(SSAInt *varying)
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{
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SSAInt ufrac = varying[0] << 8;
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SSAInt vfrac = varying[1] << 8;
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SSAInt upos = ((ufrac >> 16) * textureWidth) >> 16;
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SSAInt vpos = ((vfrac >> 16) * textureHeight) >> 16;
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SSAInt uvoffset = upos * textureHeight + vpos;
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if (colorfill)
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return translation[color * 4].load_vec4ub(true);
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else
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return translation[texturePixels[uvoffset].load(true).zext_int() * 4].load_vec4ub(true);
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}
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SSAInt DrawTriangleCodegen::TranslateSample8(SSAInt *varying)
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{
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SSAInt ufrac = varying[0] << 8;
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SSAInt vfrac = varying[1] << 8;
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SSAInt upos = ((ufrac >> 16) * textureWidth) >> 16;
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SSAInt vpos = ((vfrac >> 16) * textureHeight) >> 16;
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SSAInt uvoffset = upos * textureHeight + vpos;
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if (colorfill)
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return translation[color].load(true).zext_int();
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else
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return translation[texturePixels[uvoffset].load(true).zext_int()].load(true).zext_int();
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}
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SSAVec4i DrawTriangleCodegen::Sample32(SSAInt *varying)
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{
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if (colorfill)
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return SSAVec4i::unpack(color);
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SSAInt ufrac = varying[0] << 8;
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SSAInt vfrac = varying[1] << 8;
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SSAVec4i nearest;
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SSAVec4i linear;
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{
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SSAInt upos = ((ufrac >> 16) * textureWidth) >> 16;
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SSAInt vpos = ((vfrac >> 16) * textureHeight) >> 16;
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SSAInt uvoffset = upos * textureHeight + vpos;
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nearest = texturePixels[uvoffset * 4].load_vec4ub(true);
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}
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return nearest;
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/*
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{
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SSAInt uone = (SSAInt(0x01000000) / textureWidth) << 8;
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SSAInt vone = (SSAInt(0x01000000) / textureHeight) << 8;
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ufrac = ufrac - (uone >> 1);
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vfrac = vfrac - (vone >> 1);
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SSAInt frac_x0 = (ufrac >> FRACBITS) * textureWidth;
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SSAInt frac_x1 = ((ufrac + uone) >> FRACBITS) * textureWidth;
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SSAInt frac_y0 = (vfrac >> FRACBITS) * textureHeight;
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SSAInt frac_y1 = ((vfrac + vone) >> FRACBITS) * textureHeight;
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SSAInt x0 = frac_x0 >> FRACBITS;
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SSAInt x1 = frac_x1 >> FRACBITS;
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SSAInt y0 = frac_y0 >> FRACBITS;
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SSAInt y1 = frac_y1 >> FRACBITS;
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SSAVec4i p00 = texturePixels[(x0 * textureHeight + y0) * 4].load_vec4ub(true);
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SSAVec4i p01 = texturePixels[(x0 * textureHeight + y1) * 4].load_vec4ub(true);
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SSAVec4i p10 = texturePixels[(x1 * textureHeight + y0) * 4].load_vec4ub(true);
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SSAVec4i p11 = texturePixels[(x1 * textureHeight + y1) * 4].load_vec4ub(true);
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SSAInt inv_b = (frac_x1 >> (FRACBITS - 4)) & 15;
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SSAInt inv_a = (frac_y1 >> (FRACBITS - 4)) & 15;
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SSAInt a = 16 - inv_a;
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SSAInt b = 16 - inv_b;
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linear = (p00 * (a * b) + p01 * (inv_a * b) + p10 * (a * inv_b) + p11 * (inv_a * inv_b) + 127) >> 8;
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}
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return AffineLinear.select(linear, nearest);
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*/
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}
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SSAInt DrawTriangleCodegen::Sample8(SSAInt *varying)
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{
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SSAInt ufrac = varying[0] << 8;
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SSAInt vfrac = varying[1] << 8;
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SSAInt upos = ((ufrac >> 16) * textureWidth) >> 16;
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SSAInt vpos = ((vfrac >> 16) * textureHeight) >> 16;
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SSAInt uvoffset = upos * textureHeight + vpos;
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if (colorfill)
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return color;
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else
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return texturePixels[uvoffset].load(true).zext_int();
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}
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SSAInt DrawTriangleCodegen::Shade8(SSAInt c)
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{
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return currentcolormap[c].load(true).zext_int();
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}
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SSAVec4i DrawTriangleCodegen::ProcessPixel32(SSAVec4i bg, SSAInt *varying)
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{
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SSAVec4i fg;
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SSAVec4i output;
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switch (blendmode)
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{
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default:
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case TriBlendMode::Copy:
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fg = Sample32(varying);
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output = blend_copy(shade_bgra_simple(fg, currentlight));
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break;
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case TriBlendMode::AlphaBlend:
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fg = Sample32(varying);
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output = blend_alpha_blend(shade_bgra_simple(fg, currentlight), bg);
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break;
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case TriBlendMode::AddSolid:
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fg = Sample32(varying);
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output = blend_add(shade_bgra_simple(fg, currentlight), bg, srcalpha, destalpha);
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break;
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case TriBlendMode::Add:
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fg = Sample32(varying);
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output = blend_add(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
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break;
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case TriBlendMode::Sub:
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fg = Sample32(varying);
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output = blend_sub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
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break;
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case TriBlendMode::RevSub:
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fg = Sample32(varying);
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output = blend_revsub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
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break;
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case TriBlendMode::Stencil:
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fg = Sample32(varying);
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output = blend_stencil(shade_bgra_simple(SSAVec4i::unpack(color), currentlight), fg[3], bg, srcalpha, destalpha);
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break;
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case TriBlendMode::Shaded:
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output = blend_stencil(shade_bgra_simple(SSAVec4i::unpack(color), currentlight), Sample8(varying), bg, srcalpha, destalpha);
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break;
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case TriBlendMode::TranslateCopy:
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fg = TranslateSample32(varying);
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output = blend_copy(shade_bgra_simple(fg, currentlight));
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break;
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case TriBlendMode::TranslateAlphaBlend:
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fg = TranslateSample32(varying);
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output = blend_alpha_blend(shade_bgra_simple(fg, currentlight), bg);
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break;
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case TriBlendMode::TranslateAdd:
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fg = TranslateSample32(varying);
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output = blend_add(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
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break;
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case TriBlendMode::TranslateSub:
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fg = TranslateSample32(varying);
|
|
output = blend_sub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
|
|
break;
|
|
case TriBlendMode::TranslateRevSub:
|
|
fg = TranslateSample32(varying);
|
|
output = blend_revsub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
|
|
break;
|
|
case TriBlendMode::AddSrcColorOneMinusSrcColor:
|
|
fg = Sample32(varying);
|
|
output = blend_add_srccolor_oneminussrccolor(shade_bgra_simple(fg, currentlight), bg);
|
|
break;
|
|
case TriBlendMode::Skycap:
|
|
fg = Sample32(varying);
|
|
output = FadeOut(varying[1], fg);
|
|
break;
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
SSAVec4i DrawTriangleCodegen::ToBgra(SSAInt index)
|
|
{
|
|
SSAVec4i c = BaseColors[index * 4].load_vec4ub(true);
|
|
c = c.insert(3, 255);
|
|
return c;
|
|
}
|
|
|
|
SSAInt DrawTriangleCodegen::ToPal8(SSAVec4i c)
|
|
{
|
|
SSAInt red = SSAInt::clamp(c[0], SSAInt(0), SSAInt(255));
|
|
SSAInt green = SSAInt::clamp(c[1], SSAInt(0), SSAInt(255));
|
|
SSAInt blue = SSAInt::clamp(c[2], SSAInt(0), SSAInt(255));
|
|
return RGB32k[((blue >> 3) * 32 + (green >> 3)) * 32 + (red >> 3)].load(true).zext_int();
|
|
}
|
|
|
|
SSAInt DrawTriangleCodegen::ProcessPixel8(SSAInt bg, SSAInt *varying)
|
|
{
|
|
SSAVec4i fg;
|
|
SSAInt alpha, inv_alpha;
|
|
SSAInt output;
|
|
SSAInt palindex;
|
|
|
|
switch (blendmode)
|
|
{
|
|
default:
|
|
case TriBlendMode::Copy:
|
|
output = Shade8(Sample8(varying));
|
|
break;
|
|
case TriBlendMode::AlphaBlend:
|
|
palindex = Sample8(varying);
|
|
output = Shade8(palindex);
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::AddSolid:
|
|
palindex = Sample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_add(fg, ToBgra(bg), srcalpha, destalpha));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::Add:
|
|
palindex = Sample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_add(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::Sub:
|
|
palindex = Sample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_sub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::RevSub:
|
|
palindex = Sample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_revsub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::Stencil:
|
|
output = ToPal8(blend_stencil(ToBgra(Shade8(color)), (Sample8(varying) == SSAInt(0)).select(SSAInt(0), SSAInt(256)), ToBgra(bg), srcalpha, destalpha));
|
|
break;
|
|
case TriBlendMode::Shaded:
|
|
palindex = Sample8(varying);
|
|
output = ToPal8(blend_stencil(ToBgra(Shade8(color)), palindex, ToBgra(bg), srcalpha, destalpha));
|
|
break;
|
|
case TriBlendMode::TranslateCopy:
|
|
palindex = TranslateSample8(varying);
|
|
output = Shade8(palindex);
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::TranslateAlphaBlend:
|
|
palindex = TranslateSample8(varying);
|
|
output = Shade8(palindex);
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::TranslateAdd:
|
|
palindex = TranslateSample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_add(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::TranslateSub:
|
|
palindex = TranslateSample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_sub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::TranslateRevSub:
|
|
palindex = TranslateSample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_revsub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::AddSrcColorOneMinusSrcColor:
|
|
palindex = Sample8(varying);
|
|
fg = ToBgra(Shade8(palindex));
|
|
output = ToPal8(blend_add_srccolor_oneminussrccolor(fg, ToBgra(bg)));
|
|
output = (palindex == SSAInt(0)).select(bg, output);
|
|
break;
|
|
case TriBlendMode::Skycap:
|
|
fg = ToBgra(Sample8(varying));
|
|
output = ToPal8(FadeOut(varying[1], fg));
|
|
break;
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
SSAVec4i DrawTriangleCodegen::FadeOut(SSAInt frac, SSAVec4i fg)
|
|
{
|
|
int start_fade = 2; // How fast it should fade out
|
|
|
|
SSAInt alpha_top = SSAInt::MAX(SSAInt::MIN(frac.ashr(16 - start_fade), SSAInt(256)), SSAInt(0));
|
|
SSAInt alpha_bottom = SSAInt::MAX(SSAInt::MIN(((2 << 24) - frac).ashr(16 - start_fade), SSAInt(256)), SSAInt(0));
|
|
SSAInt alpha = SSAInt::MIN(alpha_top, alpha_bottom);
|
|
SSAInt inv_alpha = 256 - alpha;
|
|
|
|
fg = (fg * alpha + SSAVec4i::unpack(color) * inv_alpha) / 256;
|
|
return fg.insert(3, 255);
|
|
}
|
|
|
|
void DrawTriangleCodegen::CalculateGradients()
|
|
{
|
|
gradientX.W = FindGradientX(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
|
|
gradientY.W = FindGradientY(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
|
|
start.W = v1.w + gradientX.W * (SSAFloat(startX) - v1.x) + gradientY.W * (SSAFloat(startY) - v1.y);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
{
|
|
gradientX.Varying[i] = FindGradientX(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w);
|
|
gradientY.Varying[i] = FindGradientY(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w);
|
|
start.Varying[i] = v1.varying[i] * v1.w + gradientX.Varying[i] * (SSAFloat(startX) - v1.x) + gradientY.Varying[i] * (SSAFloat(startY) - v1.y);
|
|
}
|
|
|
|
shade = (64.0f - (SSAFloat(light * 255 / 256) + 12.0f) * 32.0f / 128.0f) / 32.0f;
|
|
globVis = SSAFloat(1706.0f);
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoadArgs(SSAValue args, SSAValue thread_data)
|
|
{
|
|
destOrg = args[0][0].load(true);
|
|
pitch = args[0][1].load(true);
|
|
v1 = LoadTriVertex(args[0][2].load(true));
|
|
v2 = LoadTriVertex(args[0][3].load(true));
|
|
v3 = LoadTriVertex(args[0][4].load(true));
|
|
texturePixels = args[0][9].load(true);
|
|
textureWidth = args[0][10].load(true);
|
|
textureHeight = args[0][11].load(true);
|
|
translation = args[0][12].load(true);
|
|
LoadUniforms(args[0][13].load(true));
|
|
if (!truecolor)
|
|
{
|
|
Colormaps = args[0][20].load(true);
|
|
RGB32k = args[0][21].load(true);
|
|
BaseColors = args[0][22].load(true);
|
|
}
|
|
|
|
fullSpans = thread_data[0][5].load(true);
|
|
partialBlocks = thread_data[0][6].load(true);
|
|
numSpans = thread_data[0][7].load(true);
|
|
numBlocks = thread_data[0][8].load(true);
|
|
startX = thread_data[0][9].load(true);
|
|
startY = thread_data[0][10].load(true);
|
|
}
|
|
|
|
SSATriVertex DrawTriangleCodegen::LoadTriVertex(SSAValue ptr)
|
|
{
|
|
SSATriVertex v;
|
|
v.x = ptr[0][0].load(true);
|
|
v.y = ptr[0][1].load(true);
|
|
v.z = ptr[0][2].load(true);
|
|
v.w = ptr[0][3].load(true);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
v.varying[i] = ptr[0][4 + i].load(true);
|
|
return v;
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoadUniforms(SSAValue uniforms)
|
|
{
|
|
light = uniforms[0][0].load(true);
|
|
color = uniforms[0][2].load(true);
|
|
srcalpha = uniforms[0][3].load(true);
|
|
destalpha = uniforms[0][4].load(true);
|
|
|
|
SSAShort light_alpha = uniforms[0][5].load(true);
|
|
SSAShort light_red = uniforms[0][6].load(true);
|
|
SSAShort light_green = uniforms[0][7].load(true);
|
|
SSAShort light_blue = uniforms[0][8].load(true);
|
|
SSAShort fade_alpha = uniforms[0][9].load(true);
|
|
SSAShort fade_red = uniforms[0][10].load(true);
|
|
SSAShort fade_green = uniforms[0][11].load(true);
|
|
SSAShort fade_blue = uniforms[0][12].load(true);
|
|
SSAShort desaturate = uniforms[0][13].load(true);
|
|
SSAInt flags = uniforms[0][14].load(true);
|
|
shade_constants.light = SSAVec4i(light_blue.zext_int(), light_green.zext_int(), light_red.zext_int(), light_alpha.zext_int());
|
|
shade_constants.fade = SSAVec4i(fade_blue.zext_int(), fade_green.zext_int(), fade_red.zext_int(), fade_alpha.zext_int());
|
|
shade_constants.desaturate = desaturate.zext_int();
|
|
|
|
is_simple_shade = (flags & TriUniforms::simple_shade) == SSAInt(TriUniforms::simple_shade);
|
|
is_nearest_filter = (flags & TriUniforms::nearest_filter) == SSAInt(TriUniforms::nearest_filter);
|
|
is_fixed_light = (flags & TriUniforms::fixed_light) == SSAInt(TriUniforms::fixed_light);
|
|
}
|
|
|
|
SSAFloat DrawTriangleCodegen::FindGradientX(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2)
|
|
{
|
|
SSAFloat top = (c1 - c2) * (y0 - y2) - (c0 - c2) * (y1 - y2);
|
|
SSAFloat bottom = (x1 - x2) * (y0 - y2) - (x0 - x2) * (y1 - y2);
|
|
return top / bottom;
|
|
}
|
|
|
|
SSAFloat DrawTriangleCodegen::FindGradientY(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2)
|
|
{
|
|
SSAFloat top = (c1 - c2) * (x0 - x2) - (c0 - c2) * (x1 - x2);
|
|
SSAFloat bottom = (x0 - x2) * (y1 - y2) - (x1 - x2) * (y0 - y2);
|
|
return top / bottom;
|
|
}
|
|
|
|
|
|
#if 0
|
|
|
|
void DrawTriangleCodegen::Generate(TriDrawVariant variant, TriBlendMode blendmode, bool truecolor, SSAValue args, SSAValue thread_data)
|
|
{
|
|
this->variant = variant;
|
|
this->blendmode = blendmode;
|
|
this->truecolor = truecolor;
|
|
LoadArgs(args, thread_data);
|
|
Setup();
|
|
LoopBlockY();
|
|
}
|
|
|
|
SSAInt DrawTriangleCodegen::FloatTo28_4(SSAFloat v)
|
|
{
|
|
// SSAInt(SSAFloat::round(16.0f * v), false);
|
|
SSAInt a = SSAInt(v * 32.0f, false);
|
|
return (a + (a.ashr(31) | SSAInt(1))).ashr(1);
|
|
}
|
|
|
|
void DrawTriangleCodegen::Setup()
|
|
{
|
|
int pixelsize = truecolor ? 4 : 1;
|
|
|
|
// 28.4 fixed-point coordinates
|
|
Y1 = FloatTo28_4(v1.y);
|
|
Y2 = FloatTo28_4(v2.y);
|
|
Y3 = FloatTo28_4(v3.y);
|
|
|
|
X1 = FloatTo28_4(v1.x);
|
|
X2 = FloatTo28_4(v2.x);
|
|
X3 = FloatTo28_4(v3.x);
|
|
|
|
// Deltas
|
|
DX12 = X1 - X2;
|
|
DX23 = X2 - X3;
|
|
DX31 = X3 - X1;
|
|
|
|
DY12 = Y1 - Y2;
|
|
DY23 = Y2 - Y3;
|
|
DY31 = Y3 - Y1;
|
|
|
|
// Fixed-point deltas
|
|
FDX12 = DX12 << 4;
|
|
FDX23 = DX23 << 4;
|
|
FDX31 = DX31 << 4;
|
|
|
|
FDY12 = DY12 << 4;
|
|
FDY23 = DY23 << 4;
|
|
FDY31 = DY31 << 4;
|
|
|
|
// Bounding rectangle
|
|
minx = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(X1, X2), X3) + 0xF).ashr(4), SSAInt(0));
|
|
maxx = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(X1, X2), X3) + 0xF).ashr(4), clipright - 1);
|
|
miny = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(Y1, Y2), Y3) + 0xF).ashr(4), SSAInt(0));
|
|
maxy = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(Y1, Y2), Y3) + 0xF).ashr(4), clipbottom - 1);
|
|
|
|
SSAIfBlock if0;
|
|
if0.if_block(minx >= maxx || miny >= maxy);
|
|
if0.end_retvoid();
|
|
|
|
// Start in corner of 8x8 block
|
|
minx = minx & ~(q - 1);
|
|
miny = miny & ~(q - 1);
|
|
|
|
dest = dest[miny * pitch * pixelsize];
|
|
subsectorGBuffer = subsectorGBuffer[miny * pitch];
|
|
|
|
// Half-edge constants
|
|
C1 = DY12 * X1 - DX12 * Y1;
|
|
C2 = DY23 * X2 - DX23 * Y2;
|
|
C3 = DY31 * X3 - DX31 * Y3;
|
|
|
|
// Correct for fill convention
|
|
SSAIfBlock if1;
|
|
if1.if_block(DY12 < SSAInt(0) || (DY12 == SSAInt(0) && DX12 > SSAInt(0)));
|
|
stack_C1.store(C1 + 1);
|
|
if1.else_block();
|
|
stack_C1.store(C1);
|
|
if1.end_block();
|
|
C1 = stack_C1.load();
|
|
SSAIfBlock if2;
|
|
if2.if_block(DY23 < SSAInt(0) || (DY23 == SSAInt(0) && DX23 > SSAInt(0)));
|
|
stack_C2.store(C2 + 1);
|
|
if2.else_block();
|
|
stack_C2.store(C2);
|
|
if2.end_block();
|
|
C2 = stack_C2.load();
|
|
SSAIfBlock if3;
|
|
if3.if_block(DY31 < SSAInt(0) || (DY31 == SSAInt(0) && DX31 > SSAInt(0)));
|
|
stack_C3.store(C3 + 1);
|
|
if3.else_block();
|
|
stack_C3.store(C3);
|
|
if3.end_block();
|
|
C3 = stack_C3.load();
|
|
|
|
// Gradients
|
|
v1.x = SSAFloat(X1) * 0.0625f;
|
|
v2.x = SSAFloat(X2) * 0.0625f;
|
|
v3.x = SSAFloat(X3) * 0.0625f;
|
|
v1.y = SSAFloat(Y1) * 0.0625f;
|
|
v2.y = SSAFloat(Y2) * 0.0625f;
|
|
v3.y = SSAFloat(Y3) * 0.0625f;
|
|
gradWX = gradx(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
|
|
gradWY = grady(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
|
|
stack_posy_w.store(v1.w + gradWX * (SSAFloat(minx) - v1.x) + gradWY * (SSAFloat(miny) - v1.y));
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
{
|
|
gradVaryingX[i] = gradx(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w);
|
|
gradVaryingY[i] = grady(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w);
|
|
stack_posy_varying[i].store(v1.varying[i] * v1.w + gradVaryingX[i] * (SSAFloat(minx) - v1.x) + gradVaryingY[i] * (SSAFloat(miny) - v1.y));
|
|
}
|
|
|
|
gradWX = gradWX * (float)q;
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
gradVaryingX[i] = gradVaryingX[i] * (float)q;
|
|
|
|
shade = 64.0f - (SSAFloat(light * 255 / 256) + 12.0f) * 32.0f / 128.0f;
|
|
}
|
|
|
|
SSAFloat DrawTriangleCodegen::gradx(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2)
|
|
{
|
|
SSAFloat top = (c1 - c2) * (y0 - y2) - (c0 - c2) * (y1 - y2);
|
|
SSAFloat bottom = (x1 - x2) * (y0 - y2) - (x0 - x2) * (y1 - y2);
|
|
return top / bottom;
|
|
}
|
|
|
|
SSAFloat DrawTriangleCodegen::grady(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2)
|
|
{
|
|
SSAFloat top = (c1 - c2) * (x0 - x2) - (c0 - c2) * (x1 - x2);
|
|
SSAFloat bottom = (x0 - x2) * (y1 - y2) - (x1 - x2) * (y0 - y2);
|
|
return top / bottom;
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoopBlockY()
|
|
{
|
|
int pixelsize = truecolor ? 4 : 1;
|
|
|
|
SSAInt blocks_skipped = skipped_by_thread(miny / q, thread);
|
|
stack_y.store(miny + blocks_skipped * q);
|
|
stack_dest.store(dest[blocks_skipped * q * pitch * pixelsize]);
|
|
stack_subsectorGBuffer.store(subsectorGBuffer[blocks_skipped * q * pitch]);
|
|
stack_posy_w.store(stack_posy_w.load() + gradWY * (q * blocks_skipped));
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_posy_varying[i].store(stack_posy_varying[i].load() + gradVaryingY[i] * (blocks_skipped * q));
|
|
|
|
SSAForBlock loop;
|
|
y = stack_y.load();
|
|
dest = stack_dest.load();
|
|
subsectorGBuffer = stack_subsectorGBuffer.load();
|
|
posy_w = stack_posy_w.load();
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
posy_varying[i] = stack_posy_varying[i].load();
|
|
loop.loop_block(y < maxy, 0);
|
|
{
|
|
LoopBlockX();
|
|
|
|
stack_posy_w.store(posy_w + gradWY * (q * thread.num_cores));
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_posy_varying[i].store(posy_varying[i] + gradVaryingY[i] * (q * thread.num_cores));
|
|
|
|
stack_dest.store(dest[q * pitch * pixelsize * thread.num_cores]);
|
|
stack_subsectorGBuffer.store(subsectorGBuffer[q * pitch * thread.num_cores]);
|
|
stack_y.store(y + thread.num_cores * q);
|
|
}
|
|
loop.end_block();
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoopBlockX()
|
|
{
|
|
stack_x.store(minx);
|
|
stack_posx_w.store(posy_w);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_posx_varying[i].store(posy_varying[i]);
|
|
|
|
SSAForBlock loop;
|
|
x = stack_x.load();
|
|
posx_w = stack_posx_w.load();
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
posx_varying[i] = stack_posx_varying[i].load();
|
|
loop.loop_block(x < maxx, 0);
|
|
{
|
|
// Corners of block
|
|
x0 = x << 4;
|
|
x1 = (x + q - 1) << 4;
|
|
y0 = y << 4;
|
|
y1 = (y + q - 1) << 4;
|
|
|
|
// Evaluate half-space functions
|
|
SSABool a00 = C1 + DX12 * y0 - DY12 * x0 > SSAInt(0);
|
|
SSABool a10 = C1 + DX12 * y0 - DY12 * x1 > SSAInt(0);
|
|
SSABool a01 = C1 + DX12 * y1 - DY12 * x0 > SSAInt(0);
|
|
SSABool a11 = C1 + DX12 * y1 - DY12 * x1 > SSAInt(0);
|
|
|
|
SSAInt a = (a00.zext_int() << 0) | (a10.zext_int() << 1) | (a01.zext_int() << 2) | (a11.zext_int() << 3);
|
|
|
|
SSABool b00 = C2 + DX23 * y0 - DY23 * x0 > SSAInt(0);
|
|
SSABool b10 = C2 + DX23 * y0 - DY23 * x1 > SSAInt(0);
|
|
SSABool b01 = C2 + DX23 * y1 - DY23 * x0 > SSAInt(0);
|
|
SSABool b11 = C2 + DX23 * y1 - DY23 * x1 > SSAInt(0);
|
|
SSAInt b = (b00.zext_int() << 0) | (b10.zext_int() << 1) | (b01.zext_int() << 2) | (b11.zext_int() << 3);
|
|
|
|
SSABool c00 = C3 + DX31 * y0 - DY31 * x0 > SSAInt(0);
|
|
SSABool c10 = C3 + DX31 * y0 - DY31 * x1 > SSAInt(0);
|
|
SSABool c01 = C3 + DX31 * y1 - DY31 * x0 > SSAInt(0);
|
|
SSABool c11 = C3 + DX31 * y1 - DY31 * x1 > SSAInt(0);
|
|
SSAInt c = (c00.zext_int() << 0) | (c10.zext_int() << 1) | (c01.zext_int() << 2) | (c11.zext_int() << 3);
|
|
|
|
// Skip block when outside an edge
|
|
SSABool process_block = !(a == SSAInt(0) || b == SSAInt(0) || c == SSAInt(0));
|
|
|
|
SetStencilBlock(x / 8 + y / 8 * stencilPitch);
|
|
|
|
// Stencil test the whole block, if possible
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
process_block = process_block && (!StencilIsSingleValue() || SSABool::compare_uge(StencilGetSingle(), stencilTestValue));
|
|
}
|
|
else
|
|
{
|
|
process_block = process_block && (!StencilIsSingleValue() || StencilGetSingle() == stencilTestValue);
|
|
}
|
|
|
|
SSAIfBlock branch;
|
|
branch.if_block(process_block);
|
|
|
|
// Check if block needs clipping
|
|
SSABool clipneeded = (x + q) > clipright || (y + q) > clipbottom;
|
|
|
|
SSAFloat globVis = SSAFloat(1706.0f);
|
|
SSAFloat vis = globVis * posx_w;
|
|
SSAInt lightscale = SSAInt(SSAFloat::clamp((shade - SSAFloat::MIN(SSAFloat(24.0f), vis)) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * 256.0f, true);
|
|
SSAInt diminishedlight = 256 - lightscale;
|
|
|
|
if (!truecolor)
|
|
{
|
|
SSAInt diminishedindex = lightscale / 8;
|
|
SSAInt lightindex = SSAInt::MIN((256 - light) * 32 / 256, SSAInt(31));
|
|
SSAInt colormapindex = (!is_fixed_light).select(diminishedindex, lightindex);
|
|
currentcolormap = Colormaps[colormapindex << 8];
|
|
}
|
|
else
|
|
{
|
|
currentlight = (!is_fixed_light).select(diminishedlight, light);
|
|
}
|
|
|
|
SSABool covered = a == SSAInt(0xF) && b == SSAInt(0xF) && c == SSAInt(0xF) && !clipneeded && StencilIsSingleValue();
|
|
|
|
// Accept whole block when totally covered
|
|
SSAIfBlock branch_covered;
|
|
branch_covered.if_block(covered);
|
|
{
|
|
LoopFullBlock();
|
|
}
|
|
branch_covered.else_block();
|
|
{
|
|
SSAIfBlock branch_covered_stencil;
|
|
branch_covered_stencil.if_block(StencilIsSingleValue());
|
|
{
|
|
SSABool stenciltestpass;
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
stenciltestpass = SSABool::compare_uge(StencilGetSingle(), stencilTestValue);
|
|
}
|
|
else
|
|
{
|
|
stenciltestpass = StencilGetSingle() == stencilTestValue;
|
|
}
|
|
|
|
SSAIfBlock branch_stenciltestpass;
|
|
branch_stenciltestpass.if_block(stenciltestpass);
|
|
{
|
|
LoopPartialBlock(true);
|
|
}
|
|
branch_stenciltestpass.end_block();
|
|
}
|
|
branch_covered_stencil.else_block();
|
|
{
|
|
LoopPartialBlock(false);
|
|
}
|
|
branch_covered_stencil.end_block();
|
|
}
|
|
branch_covered.end_block();
|
|
|
|
branch.end_block();
|
|
|
|
stack_posx_w.store(posx_w + gradWX);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_posx_varying[i].store(posx_varying[i] + gradVaryingX[i]);
|
|
|
|
stack_x.store(x + q);
|
|
}
|
|
loop.end_block();
|
|
}
|
|
|
|
void DrawTriangleCodegen::SetupAffineBlock()
|
|
{
|
|
SSAFloat rcpW0 = (float)0x01000000 / AffineW;
|
|
SSAFloat rcpW1 = (float)0x01000000 / (AffineW + gradWX);
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
{
|
|
AffineVaryingPosX[i] = SSAInt(AffineVaryingPosY[i] * rcpW0, false);
|
|
AffineVaryingStepX[i] = (SSAInt((AffineVaryingPosY[i] + gradVaryingX[i]) * rcpW1, false) - AffineVaryingPosX[i]) / q;
|
|
}
|
|
|
|
// Min filter = linear, Mag filter = nearest:
|
|
AffineLinear = (gradVaryingX[0] / AffineW) > SSAFloat(1.0f) || (gradVaryingX[0] / AffineW) < SSAFloat(-1.0f);
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoopFullBlock()
|
|
{
|
|
if (variant == TriDrawVariant::Stencil)
|
|
{
|
|
StencilClear(stencilWriteValue);
|
|
}
|
|
else if (variant == TriDrawVariant::StencilClose)
|
|
{
|
|
StencilClear(stencilWriteValue);
|
|
for (int iy = 0; iy < q; iy++)
|
|
{
|
|
SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch];
|
|
for (int ix = 0; ix < q; ix += 4)
|
|
{
|
|
subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth));
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int pixelsize = truecolor ? 4 : 1;
|
|
|
|
AffineW = posx_w;
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosY[i] = posx_varying[i];
|
|
|
|
for (int iy = 0; iy < q; iy++)
|
|
{
|
|
SSAUBytePtr buffer = dest[(x + iy * pitch) * pixelsize];
|
|
SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch];
|
|
|
|
SetupAffineBlock();
|
|
|
|
for (int ix = 0; ix < q; ix += 4)
|
|
{
|
|
SSAUBytePtr buf = buffer[ix * pixelsize];
|
|
if (truecolor)
|
|
{
|
|
SSAVec16ub pixels16 = buf.load_unaligned_vec16ub(false);
|
|
SSAVec8s pixels8hi = SSAVec8s::extendhi(pixels16);
|
|
SSAVec8s pixels8lo = SSAVec8s::extendlo(pixels16);
|
|
SSAVec4i pixels[4] =
|
|
{
|
|
SSAVec4i::extendlo(pixels8lo),
|
|
SSAVec4i::extendhi(pixels8lo),
|
|
SSAVec4i::extendlo(pixels8hi),
|
|
SSAVec4i::extendhi(pixels8hi)
|
|
};
|
|
|
|
for (int sse = 0; sse < 4; sse++)
|
|
{
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector)
|
|
{
|
|
SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth;
|
|
pixels[sse] = subsectorTest.select(ProcessPixel32(pixels[sse], AffineVaryingPosX), pixels[sse]);
|
|
}
|
|
else
|
|
{
|
|
pixels[sse] = ProcessPixel32(pixels[sse], AffineVaryingPosX);
|
|
}
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i];
|
|
}
|
|
|
|
buf.store_unaligned_vec16ub(SSAVec16ub(SSAVec8s(pixels[0], pixels[1]), SSAVec8s(pixels[2], pixels[3])));
|
|
}
|
|
else
|
|
{
|
|
SSAVec4i pixelsvec = buf.load_vec4ub(false);
|
|
SSAInt pixels[4] =
|
|
{
|
|
pixelsvec[0],
|
|
pixelsvec[1],
|
|
pixelsvec[2],
|
|
pixelsvec[3]
|
|
};
|
|
|
|
for (int sse = 0; sse < 4; sse++)
|
|
{
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector)
|
|
{
|
|
SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth;
|
|
pixels[sse] = subsectorTest.select(ProcessPixel8(pixels[sse], AffineVaryingPosX), pixels[sse]);
|
|
}
|
|
else
|
|
{
|
|
pixels[sse] = ProcessPixel8(pixels[sse], AffineVaryingPosX);
|
|
}
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i];
|
|
}
|
|
|
|
buf.store_vec4ub(SSAVec4i(pixels[0], pixels[1], pixels[2], pixels[3]));
|
|
}
|
|
|
|
if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector)
|
|
subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth));
|
|
}
|
|
|
|
AffineW = AffineW + gradWY;
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosY[i] = AffineVaryingPosY[i] + gradVaryingY[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoopPartialBlock(bool isSingleStencilValue)
|
|
{
|
|
int pixelsize = truecolor ? 4 : 1;
|
|
|
|
if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
if (isSingleStencilValue)
|
|
{
|
|
SSAInt stencilMask = StencilBlockMask.load(false);
|
|
SSAUByte val0 = stencilMask.trunc_ubyte();
|
|
for (int i = 0; i < 8 * 8; i++)
|
|
StencilBlock[i].store(val0);
|
|
StencilBlockMask.store(SSAInt(0));
|
|
}
|
|
|
|
SSAUByte lastStencilValue = StencilBlock[0].load(false);
|
|
stack_stencilblock_restored.store(SSABool(true));
|
|
stack_stencilblock_lastval.store(lastStencilValue);
|
|
}
|
|
|
|
stack_CY1.store(C1 + DX12 * y0 - DY12 * x0);
|
|
stack_CY2.store(C2 + DX23 * y0 - DY23 * x0);
|
|
stack_CY3.store(C3 + DX31 * y0 - DY31 * x0);
|
|
stack_iy.store(SSAInt(0));
|
|
stack_buffer.store(dest[x * pixelsize]);
|
|
stack_subsectorbuffer.store(subsectorGBuffer[x]);
|
|
stack_AffineW.store(posx_w);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
{
|
|
stack_AffineVaryingPosY[i].store(posx_varying[i]);
|
|
}
|
|
|
|
SSAForBlock loopy;
|
|
SSAInt iy = stack_iy.load();
|
|
SSAUBytePtr buffer = stack_buffer.load();
|
|
SSAIntPtr subsectorbuffer = stack_subsectorbuffer.load();
|
|
SSAInt CY1 = stack_CY1.load();
|
|
SSAInt CY2 = stack_CY2.load();
|
|
SSAInt CY3 = stack_CY3.load();
|
|
AffineW = stack_AffineW.load();
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosY[i] = stack_AffineVaryingPosY[i].load();
|
|
loopy.loop_block(iy < SSAInt(q), q);
|
|
{
|
|
SetupAffineBlock();
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i]);
|
|
|
|
stack_CX1.store(CY1);
|
|
stack_CX2.store(CY2);
|
|
stack_CX3.store(CY3);
|
|
stack_ix.store(SSAInt(0));
|
|
|
|
SSAForBlock loopx;
|
|
SSABool stencilblock_restored;
|
|
SSAUByte lastStencilValue;
|
|
if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
stencilblock_restored = stack_stencilblock_restored.load();
|
|
lastStencilValue = stack_stencilblock_lastval.load();
|
|
}
|
|
SSAInt ix = stack_ix.load();
|
|
SSAInt CX1 = stack_CX1.load();
|
|
SSAInt CX2 = stack_CX2.load();
|
|
SSAInt CX3 = stack_CX3.load();
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosX[i] = stack_AffineVaryingPosX[i].load();
|
|
loopx.loop_block(ix < SSAInt(q), q);
|
|
{
|
|
SSABool visible = (ix + x < clipright) && (iy + y < clipbottom);
|
|
SSABool covered = CX1 > SSAInt(0) && CX2 > SSAInt(0) && CX3 > SSAInt(0) && visible;
|
|
|
|
if (!isSingleStencilValue)
|
|
{
|
|
SSAUByte stencilValue = StencilBlock[ix + iy * 8].load(false);
|
|
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector)
|
|
{
|
|
covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue) && subsectorbuffer[ix].load(true) >= subsectorDepth;
|
|
}
|
|
else if (variant == TriDrawVariant::StencilClose)
|
|
{
|
|
covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue);
|
|
}
|
|
else
|
|
{
|
|
covered = covered && stencilValue == stencilTestValue;
|
|
}
|
|
}
|
|
else if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector)
|
|
{
|
|
covered = covered && subsectorbuffer[ix].load(true) >= subsectorDepth;
|
|
}
|
|
|
|
SSAIfBlock branch;
|
|
branch.if_block(covered);
|
|
{
|
|
if (variant == TriDrawVariant::Stencil)
|
|
{
|
|
StencilBlock[ix + iy * 8].store(stencilWriteValue);
|
|
}
|
|
else if (variant == TriDrawVariant::StencilClose)
|
|
{
|
|
StencilBlock[ix + iy * 8].store(stencilWriteValue);
|
|
subsectorbuffer[ix].store(subsectorDepth);
|
|
}
|
|
else
|
|
{
|
|
SSAUBytePtr buf = buffer[ix * pixelsize];
|
|
|
|
if (truecolor)
|
|
{
|
|
SSAVec4i bg = buf.load_vec4ub(false);
|
|
buf.store_vec4ub(ProcessPixel32(bg, AffineVaryingPosX));
|
|
}
|
|
else
|
|
{
|
|
SSAUByte bg = buf.load(false);
|
|
buf.store(ProcessPixel8(bg.zext_int(), AffineVaryingPosX).trunc_ubyte());
|
|
}
|
|
|
|
if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector)
|
|
subsectorbuffer[ix].store(subsectorDepth);
|
|
}
|
|
}
|
|
branch.end_block();
|
|
|
|
if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
SSAUByte newStencilValue = StencilBlock[ix + iy * 8].load(false);
|
|
stack_stencilblock_restored.store(stencilblock_restored && newStencilValue == lastStencilValue);
|
|
stack_stencilblock_lastval.store(newStencilValue);
|
|
}
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i] + AffineVaryingStepX[i]);
|
|
|
|
stack_CX1.store(CX1 - FDY12);
|
|
stack_CX2.store(CX2 - FDY23);
|
|
stack_CX3.store(CX3 - FDY31);
|
|
stack_ix.store(ix + 1);
|
|
}
|
|
loopx.end_block();
|
|
|
|
stack_AffineW.store(AffineW + gradWY);
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
stack_AffineVaryingPosY[i].store(AffineVaryingPosY[i] + gradVaryingY[i]);
|
|
stack_CY1.store(CY1 + FDX12);
|
|
stack_CY2.store(CY2 + FDX23);
|
|
stack_CY3.store(CY3 + FDX31);
|
|
stack_buffer.store(buffer[pitch * pixelsize]);
|
|
stack_subsectorbuffer.store(subsectorbuffer[pitch]);
|
|
stack_iy.store(iy + 1);
|
|
}
|
|
loopy.end_block();
|
|
|
|
if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose)
|
|
{
|
|
SSAIfBlock branch;
|
|
SSABool restored = stack_stencilblock_restored.load();
|
|
branch.if_block(restored);
|
|
{
|
|
SSAUByte lastStencilValue = stack_stencilblock_lastval.load();
|
|
StencilClear(lastStencilValue);
|
|
}
|
|
branch.end_block();
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
void DrawTriangleCodegen::LoopMaskedStoreBlock()
|
|
{
|
|
if (variant == TriDrawVariant::Stencil)
|
|
{
|
|
}
|
|
else if (variant == TriDrawVariant::StencilClose)
|
|
{
|
|
}
|
|
else
|
|
{
|
|
int pixelsize = truecolor ? 4 : 1;
|
|
|
|
AffineW = posx_w;
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosY[i] = posx_varying[i];
|
|
|
|
SSAInt CY1 = C1 + DX12 * y0 - DY12 * x0;
|
|
SSAInt CY2 = C2 + DX23 * y0 - DY23 * x0;
|
|
SSAInt CY3 = C3 + DX31 * y0 - DY31 * x0;
|
|
|
|
for (int iy = 0; iy < q; iy++)
|
|
{
|
|
SSAUBytePtr buffer = dest[(x + iy * pitch) * pixelsize];
|
|
SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch];
|
|
|
|
SetupAffineBlock();
|
|
|
|
SSAInt CX1 = CY1;
|
|
SSAInt CX2 = CY2;
|
|
SSAInt CX3 = CY3;
|
|
|
|
for (int ix = 0; ix < q; ix += 4)
|
|
{
|
|
SSABool covered[4];
|
|
for (int maskindex = 0; maskindex < 4; maskindex++)
|
|
{
|
|
covered[maskindex] = CX1 > SSAInt(0) && CX2 > SSAInt(0) && CX3 > SSAInt(0);
|
|
|
|
if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector)
|
|
{
|
|
auto xx = SSAInt(ix + maskindex);
|
|
auto yy = SSAInt(iy);
|
|
covered[maskindex] = covered[maskindex] && SSABool::compare_uge(StencilGet(xx, yy), stencilTestValue) && subsectorbuffer[ix + maskindex].load(true) >= subsectorDepth;
|
|
}
|
|
else if (variant == TriDrawVariant::StencilClose)
|
|
{
|
|
auto xx = SSAInt(ix + maskindex);
|
|
auto yy = SSAInt(iy);
|
|
covered[maskindex] = covered[maskindex] && SSABool::compare_uge(StencilGet(xx, yy), stencilTestValue);
|
|
}
|
|
else
|
|
{
|
|
auto xx = SSAInt(ix + maskindex);
|
|
auto yy = SSAInt(iy);
|
|
covered[maskindex] = covered[maskindex] && StencilGet(xx, yy) == stencilTestValue;
|
|
}
|
|
|
|
CX1 = CX1 - FDY12;
|
|
CX2 = CX2 - FDY23;
|
|
CX3 = CX3 - FDY31;
|
|
}
|
|
|
|
SSAUBytePtr buf = buffer[ix * pixelsize];
|
|
if (truecolor)
|
|
{
|
|
SSAVec16ub pixels16 = buf.load_unaligned_vec16ub(false);
|
|
SSAVec8s pixels8hi = SSAVec8s::extendhi(pixels16);
|
|
SSAVec8s pixels8lo = SSAVec8s::extendlo(pixels16);
|
|
SSAVec4i pixels[4] =
|
|
{
|
|
SSAVec4i::extendlo(pixels8lo),
|
|
SSAVec4i::extendhi(pixels8lo),
|
|
SSAVec4i::extendlo(pixels8hi),
|
|
SSAVec4i::extendhi(pixels8hi)
|
|
};
|
|
|
|
for (int sse = 0; sse < 4; sse++)
|
|
{
|
|
pixels[sse] = ProcessPixel32(pixels[sse], AffineVaryingPosX);
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i];
|
|
}
|
|
|
|
buf.store_masked_vec16ub(SSAVec16ub(SSAVec8s(pixels[0], pixels[1]), SSAVec8s(pixels[2], pixels[3])), covered);
|
|
}
|
|
else
|
|
{
|
|
SSAVec4i pixelsvec = buf.load_vec4ub(false);
|
|
SSAInt pixels[4] =
|
|
{
|
|
pixelsvec[0],
|
|
pixelsvec[1],
|
|
pixelsvec[2],
|
|
pixelsvec[3]
|
|
};
|
|
|
|
for (int sse = 0; sse < 4; sse++)
|
|
{
|
|
pixels[sse] = ProcessPixel8(pixels[sse], AffineVaryingPosX);
|
|
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i];
|
|
}
|
|
|
|
buf.store_masked_vec4ub(SSAVec4i(pixels[0], pixels[1], pixels[2], pixels[3]), covered);
|
|
}
|
|
|
|
if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector)
|
|
subsectorbuffer[ix].store_masked_vec4i(SSAVec4i(subsectorDepth), covered);
|
|
}
|
|
|
|
AffineW = AffineW + gradWY;
|
|
for (int i = 0; i < TriVertex::NumVarying; i++)
|
|
AffineVaryingPosY[i] = AffineVaryingPosY[i] + gradVaryingY[i];
|
|
|
|
CY1 = CY1 + FDX12;
|
|
CY2 = CY2 + FDX23;
|
|
CY3 = CY3 + FDX31;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void DrawTriangleCodegen::SetStencilBlock(SSAInt block)
|
|
{
|
|
StencilBlock = stencilValues[block * 64];
|
|
StencilBlockMask = stencilMasks[block];
|
|
}
|
|
|
|
SSAUByte DrawTriangleCodegen::StencilGetSingle()
|
|
{
|
|
return StencilBlockMask.load(false).trunc_ubyte();
|
|
}
|
|
|
|
void DrawTriangleCodegen::StencilClear(SSAUByte value)
|
|
{
|
|
StencilBlockMask.store(SSAInt(0xffffff00) | value.zext_int());
|
|
}
|
|
|
|
SSABool DrawTriangleCodegen::StencilIsSingleValue()
|
|
{
|
|
return (StencilBlockMask.load(false) & SSAInt(0xffffff00)) == SSAInt(0xffffff00);
|
|
}
|
|
|
|
void DrawTriangleCodegen::LoadArgs(SSAValue args, SSAValue thread_data)
|
|
{
|
|
dest = args[0][0].load(true);
|
|
pitch = args[0][1].load(true);
|
|
v1 = LoadTriVertex(args[0][2].load(true));
|
|
v2 = LoadTriVertex(args[0][3].load(true));
|
|
v3 = LoadTriVertex(args[0][4].load(true));
|
|
clipright = args[0][6].load(true);
|
|
clipbottom = args[0][8].load(true);
|
|
texturePixels = args[0][9].load(true);
|
|
textureWidth = args[0][10].load(true);
|
|
textureHeight = args[0][11].load(true);
|
|
translation = args[0][12].load(true);
|
|
LoadUniforms(args[0][13].load(true));
|
|
stencilValues = args[0][14].load(true);
|
|
stencilMasks = args[0][15].load(true);
|
|
stencilPitch = args[0][16].load(true);
|
|
stencilTestValue = args[0][17].load(true);
|
|
stencilWriteValue = args[0][18].load(true);
|
|
subsectorGBuffer = args[0][19].load(true);
|
|
if (!truecolor)
|
|
{
|
|
Colormaps = args[0][20].load(true);
|
|
RGB32k = args[0][21].load(true);
|
|
BaseColors = args[0][22].load(true);
|
|
}
|
|
|
|
thread.core = thread_data[0][0].load(true);
|
|
thread.num_cores = thread_data[0][1].load(true);
|
|
thread.pass_start_y = SSAInt(0);
|
|
thread.pass_end_y = SSAInt(32000);
|
|
}
|
|
|
|
#endif
|