Create drawergen tool
This commit is contained in:
Magnus Norddahl
parent
ccafe27b22
commit
e9e7839133
72 changed files with 1407 additions and 1108 deletions
383
tools/drawergen/fixedfunction/drawcolumncodegen.cpp
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383
tools/drawergen/fixedfunction/drawcolumncodegen.cpp
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/*
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** DrawColumn 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 "fixedfunction/drawcolumncodegen.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 DrawColumnCodegen::Generate(DrawColumnVariant variant, DrawColumnMethod method, SSAValue args, SSAValue thread_data)
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{
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dest = args[0][0].load(true);
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source = args[0][1].load(true);
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source2 = args[0][2].load(true);
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colormap = args[0][3].load(true);
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translation = args[0][4].load(true);
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basecolors = args[0][5].load(true);
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pitch = args[0][6].load(true);
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count = args[0][7].load(true);
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dest_y = args[0][8].load(true);
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if (method == DrawColumnMethod::Normal)
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{
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iscale = args[0][9].load(true);
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texturefracx = args[0][10].load(true);
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textureheight = args[0][11].load(true);
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}
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texturefrac = args[0][12].load(true);
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light = args[0][13].load(true);
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color = SSAVec4i::unpack(args[0][14].load(true));
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srccolor = SSAVec4i::unpack(args[0][15].load(true));
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srcalpha = args[0][16].load(true);
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destalpha = args[0][17].load(true);
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SSAShort light_alpha = args[0][18].load(true);
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SSAShort light_red = args[0][19].load(true);
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SSAShort light_green = args[0][20].load(true);
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SSAShort light_blue = args[0][21].load(true);
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SSAShort fade_alpha = args[0][22].load(true);
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SSAShort fade_red = args[0][23].load(true);
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SSAShort fade_green = args[0][24].load(true);
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SSAShort fade_blue = args[0][25].load(true);
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SSAShort desaturate = args[0][26].load(true);
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SSAInt flags = args[0][27].load(true);
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shade_constants.light = SSAVec4i(light_blue.zext_int(), light_green.zext_int(), light_red.zext_int(), light_alpha.zext_int());
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shade_constants.fade = SSAVec4i(fade_blue.zext_int(), fade_green.zext_int(), fade_red.zext_int(), fade_alpha.zext_int());
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shade_constants.desaturate = desaturate.zext_int();
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thread.core = thread_data[0][0].load(true);
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thread.num_cores = thread_data[0][1].load(true);
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thread.pass_start_y = thread_data[0][2].load(true);
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thread.pass_end_y = thread_data[0][3].load(true);
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thread.temp = thread_data[0][4].load(true);
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is_simple_shade = (flags & DrawColumnArgs::simple_shade) == SSAInt(DrawColumnArgs::simple_shade);
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is_nearest_filter = (flags & DrawColumnArgs::nearest_filter) == SSAInt(DrawColumnArgs::nearest_filter);
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count = count_for_thread(dest_y, count, thread);
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dest = dest_for_thread(dest_y, pitch, dest, thread);
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pitch = pitch * thread.num_cores;
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if (method == DrawColumnMethod::Normal)
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{
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stack_frac.store(texturefrac + iscale * skipped_by_thread(dest_y, thread));
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iscale = iscale * thread.num_cores;
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one = (1 << 30) / textureheight;
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SSAIfBlock branch;
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branch.if_block(is_simple_shade);
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LoopShade(variant, method, true);
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branch.else_block();
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LoopShade(variant, method, false);
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branch.end_block();
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}
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else
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{
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source = thread.temp[((dest_y + skipped_by_thread(dest_y, thread)) * 4 + texturefrac) * 4];
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SSAIfBlock branch;
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branch.if_block(is_simple_shade);
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Loop(variant, method, true, true);
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branch.else_block();
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Loop(variant, method, false, true);
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branch.end_block();
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}
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}
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void DrawColumnCodegen::LoopShade(DrawColumnVariant variant, DrawColumnMethod method, bool isSimpleShade)
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{
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SSAIfBlock branch;
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branch.if_block(is_nearest_filter);
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Loop(variant, method, isSimpleShade, true);
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branch.else_block();
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stack_frac.store(stack_frac.load() - (one >> 1));
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Loop(variant, method, isSimpleShade, false);
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branch.end_block();
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}
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void DrawColumnCodegen::Loop(DrawColumnVariant variant, DrawColumnMethod method, bool isSimpleShade, bool isNearestFilter)
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{
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SSAInt sincr;
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if (method != DrawColumnMethod::Normal)
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sincr = thread.num_cores * 4;
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stack_index.store(SSAInt(0));
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{
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SSAForBlock loop;
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SSAInt index = stack_index.load();
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loop.loop_block(index < count);
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SSAInt sample_index, frac;
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if (method == DrawColumnMethod::Normal)
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{
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frac = stack_frac.load();
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if (IsPaletteInput(variant))
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sample_index = frac >> FRACBITS;
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else
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sample_index = frac;
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}
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else
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{
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sample_index = index * sincr * 4;
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}
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SSAInt offset = index * pitch * 4;
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SSAVec4i bgcolor[4];
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int numColumns = (method == DrawColumnMethod::Rt4) ? 4 : 1;
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if (numColumns == 4)
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{
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SSAVec16ub bg = dest[offset].load_unaligned_vec16ub(false);
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SSAVec8s bg0 = SSAVec8s::extendlo(bg);
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SSAVec8s bg1 = SSAVec8s::extendhi(bg);
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bgcolor[0] = SSAVec4i::extendlo(bg0);
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bgcolor[1] = SSAVec4i::extendhi(bg0);
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bgcolor[2] = SSAVec4i::extendlo(bg1);
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bgcolor[3] = SSAVec4i::extendhi(bg1);
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}
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else
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{
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bgcolor[0] = dest[offset].load_vec4ub(false);
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}
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SSAVec4i outcolor[4];
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for (int i = 0; i < numColumns; i++)
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outcolor[i] = ProcessPixel(sample_index + i * 4, bgcolor[i], variant, method, isSimpleShade, isNearestFilter);
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if (numColumns == 4)
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{
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SSAVec16ub packedcolor(SSAVec8s(outcolor[0], outcolor[1]), SSAVec8s(outcolor[2], outcolor[3]));
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dest[offset].store_unaligned_vec16ub(packedcolor);
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}
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else
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{
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dest[offset].store_vec4ub(outcolor[0]);
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}
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stack_index.store(index.add(SSAInt(1), true, true));
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if (method == DrawColumnMethod::Normal)
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stack_frac.store(frac + iscale);
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loop.end_block();
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}
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}
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bool DrawColumnCodegen::IsPaletteInput(DrawColumnVariant variant)
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{
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switch (variant)
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{
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default:
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case DrawColumnVariant::DrawCopy:
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case DrawColumnVariant::Draw:
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case DrawColumnVariant::DrawAdd:
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case DrawColumnVariant::DrawAddClamp:
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case DrawColumnVariant::DrawSubClamp:
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case DrawColumnVariant::DrawRevSubClamp:
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case DrawColumnVariant::Fill:
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case DrawColumnVariant::FillAdd:
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case DrawColumnVariant::FillAddClamp:
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case DrawColumnVariant::FillSubClamp:
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case DrawColumnVariant::FillRevSubClamp:
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return false;
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case DrawColumnVariant::DrawShaded:
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case DrawColumnVariant::DrawTranslated:
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case DrawColumnVariant::DrawTlatedAdd:
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case DrawColumnVariant::DrawAddClampTranslated:
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case DrawColumnVariant::DrawSubClampTranslated:
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case DrawColumnVariant::DrawRevSubClampTranslated:
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return true;
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}
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}
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SSAVec4i DrawColumnCodegen::ProcessPixel(SSAInt sample_index, SSAVec4i bgcolor, DrawColumnVariant variant, DrawColumnMethod method, bool isSimpleShade, bool isNearestFilter)
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{
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SSAInt alpha, inv_alpha;
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SSAVec4i fg;
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switch (variant)
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{
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default:
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case DrawColumnVariant::DrawCopy:
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return blend_copy(Sample(sample_index, method, isNearestFilter));
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case DrawColumnVariant::Draw:
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return blend_copy(Shade(Sample(sample_index, method, isNearestFilter), isSimpleShade));
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case DrawColumnVariant::DrawAdd:
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case DrawColumnVariant::DrawAddClamp:
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fg = Shade(Sample(sample_index, method, isNearestFilter), isSimpleShade);
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return blend_add(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::DrawShaded:
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alpha = SSAInt::MAX(SSAInt::MIN(ColormapSample(sample_index), SSAInt(64)), SSAInt(0)) * 4;
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inv_alpha = 256 - alpha;
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return blend_add(color, bgcolor, alpha, inv_alpha);
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case DrawColumnVariant::DrawSubClamp:
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fg = Shade(Sample(sample_index, method, isNearestFilter), isSimpleShade);
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return blend_sub(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::DrawRevSubClamp:
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fg = Shade(Sample(sample_index, method, isNearestFilter), isSimpleShade);
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return blend_revsub(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::DrawTranslated:
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return blend_copy(Shade(TranslateSample(sample_index), isSimpleShade));
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case DrawColumnVariant::DrawTlatedAdd:
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case DrawColumnVariant::DrawAddClampTranslated:
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fg = Shade(TranslateSample(sample_index), isSimpleShade);
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return blend_add(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::DrawSubClampTranslated:
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fg = Shade(TranslateSample(sample_index), isSimpleShade);
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return blend_sub(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::DrawRevSubClampTranslated:
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fg = Shade(TranslateSample(sample_index), isSimpleShade);
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return blend_revsub(fg, bgcolor, srcalpha, calc_blend_bgalpha(fg, destalpha));
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case DrawColumnVariant::Fill:
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return blend_copy(color);
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case DrawColumnVariant::FillAdd:
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alpha = srccolor[3];
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alpha = alpha + (alpha >> 7);
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inv_alpha = 256 - alpha;
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return blend_add(srccolor, bgcolor, alpha, inv_alpha);
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case DrawColumnVariant::FillAddClamp:
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return blend_add(srccolor, bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::FillSubClamp:
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return blend_sub(srccolor, bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::FillRevSubClamp:
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return blend_revsub(srccolor, bgcolor, srcalpha, destalpha);
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}
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}
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SSAVec4i DrawColumnCodegen::ProcessPixelPal(SSAInt sample_index, SSAVec4i bgcolor, DrawColumnVariant variant, bool isSimpleShade)
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{
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SSAInt alpha, inv_alpha;
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switch (variant)
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{
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default:
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case DrawColumnVariant::DrawCopy:
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return blend_copy(basecolors[ColormapSample(sample_index) * 4].load_vec4ub(true));
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case DrawColumnVariant::Draw:
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return blend_copy(ShadePal(ColormapSample(sample_index), isSimpleShade));
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case DrawColumnVariant::DrawAdd:
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case DrawColumnVariant::DrawAddClamp:
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return blend_add(ShadePal(ColormapSample(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::DrawShaded:
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alpha = SSAInt::MAX(SSAInt::MIN(ColormapSample(sample_index), SSAInt(64)), SSAInt(0)) * 4;
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inv_alpha = 256 - alpha;
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return blend_add(color, bgcolor, alpha, inv_alpha);
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case DrawColumnVariant::DrawSubClamp:
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return blend_sub(ShadePal(ColormapSample(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::DrawRevSubClamp:
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return blend_revsub(ShadePal(ColormapSample(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::DrawTranslated:
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return blend_copy(ShadePal(TranslateSamplePal(sample_index), isSimpleShade));
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case DrawColumnVariant::DrawTlatedAdd:
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case DrawColumnVariant::DrawAddClampTranslated:
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return blend_add(ShadePal(TranslateSamplePal(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::DrawSubClampTranslated:
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return blend_sub(ShadePal(TranslateSamplePal(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::DrawRevSubClampTranslated:
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return blend_revsub(ShadePal(TranslateSamplePal(sample_index), isSimpleShade), bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::Fill:
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return blend_copy(color);
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case DrawColumnVariant::FillAdd:
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alpha = srccolor[3];
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alpha = alpha + (alpha >> 7);
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inv_alpha = 256 - alpha;
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return blend_add(srccolor, bgcolor, alpha, inv_alpha);
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case DrawColumnVariant::FillAddClamp:
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return blend_add(srccolor, bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::FillSubClamp:
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return blend_sub(srccolor, bgcolor, srcalpha, destalpha);
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case DrawColumnVariant::FillRevSubClamp:
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return blend_revsub(srccolor, bgcolor, srcalpha, destalpha);
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}
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}
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SSAVec4i DrawColumnCodegen::Sample(SSAInt frac, DrawColumnMethod method, bool isNearestFilter)
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{
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if (method == DrawColumnMethod::Normal)
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{
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if (isNearestFilter)
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{
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SSAInt sample_index = (((frac << 2) >> FRACBITS) * textureheight) >> FRACBITS;
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return source[sample_index * 4].load_vec4ub(false);
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}
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else
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{
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return SampleLinear(source, source2, texturefracx, frac, one, textureheight);
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}
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}
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else
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{
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return source[frac].load_vec4ub(true);
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}
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}
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SSAVec4i DrawColumnCodegen::SampleLinear(SSAUBytePtr col0, SSAUBytePtr col1, SSAInt texturefracx, SSAInt texturefracy, SSAInt one, SSAInt height)
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{
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// Clamp to edge
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SSAInt frac_y0 = (SSAInt::MAX(SSAInt::MIN(texturefracy, SSAInt((1 << 30) - 1)), SSAInt(0)) >> (FRACBITS - 2)) * height;
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SSAInt frac_y1 = (SSAInt::MAX(SSAInt::MIN(texturefracy + one, SSAInt((1 << 30) - 1)), SSAInt(0)) >> (FRACBITS - 2)) * height;
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SSAInt y0 = frac_y0 >> FRACBITS;
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SSAInt y1 = frac_y1 >> FRACBITS;
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SSAVec4i p00 = col0[y0 * 4].load_vec4ub(true);
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SSAVec4i p01 = col0[y1 * 4].load_vec4ub(true);
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SSAVec4i p10 = col1[y0 * 4].load_vec4ub(true);
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SSAVec4i p11 = col1[y1 * 4].load_vec4ub(true);
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SSAInt inv_b = texturefracx;
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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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return (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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SSAInt DrawColumnCodegen::ColormapSample(SSAInt sample_index)
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{
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return colormap[source[sample_index].load(true).zext_int()].load(true).zext_int();
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}
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SSAVec4i DrawColumnCodegen::TranslateSample(SSAInt sample_index)
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{
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return translation[source[sample_index].load(true).zext_int() * 4].load_vec4ub(true);
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}
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SSAInt DrawColumnCodegen::TranslateSamplePal(SSAInt sample_index)
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{
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return translation[source[sample_index].load(true).zext_int()].load(true).zext_int();
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}
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SSAVec4i DrawColumnCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
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{
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if (isSimpleShade)
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return shade_bgra_simple(fg, light);
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else
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return shade_bgra_advanced(fg, light, shade_constants);
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}
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SSAVec4i DrawColumnCodegen::ShadePal(SSAInt palIndex, bool isSimpleShade)
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{
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if (isSimpleShade)
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return shade_pal_index_simple(palIndex, light, basecolors);
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else
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return shade_pal_index_advanced(palIndex, light, shade_constants, basecolors);
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}
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