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Added php script generating the 32 bit wall drawers
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Magnus Norddahl
parent
ef22d10756
commit
e42f914efa
1 changed files with 250 additions and 0 deletions
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src/swrenderer/drawers/r_draw_wall32.php
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src/swrenderer/drawers/r_draw_wall32.php
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#!/usr/bin/php
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/*
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** Drawer commands for walls
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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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/*
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Warning: this C++ source file has been auto-generated. Please modify the original php script that generated it.
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*/
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#pragma once
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#include "swrenderer/drawers/r_draw_rgba.h"
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#include "swrenderer/viewport/r_walldrawer.h"
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namespace swrenderer
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{
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<?
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GenerateDrawerCommand("DrawWall32Command", "opaque");
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GenerateDrawerCommand("DrawWallMasked32Command", "masked");
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GenerateDrawerCommand("DrawWallAddClamp32Command", "addclamp");
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GenerateDrawerCommand("DrawWallSubClamp32Command", "subclamp");
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GenerateDrawerCommand("DrawWallRevSubClamp32Command", "revsubclamp");
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function GenerateDrawerCommand($className, $blendVariant)
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{
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?>
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class <?=$className?> : public DrawerCommand
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{
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protected:
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WallDrawerArgs args;
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bool is_nearest_filter = false;
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public:
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<?=$className?>(const WallDrawerArgs &drawerargs) : args(drawerargs) { }
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void Execute(DrawerThread *thread) override
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{
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auto shade_constants = args.ColormapConstants();
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if (shade_constants.simple_shade)
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{
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<? LoopShade($blendVariant, true);?>
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}
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else
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{
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<? LoopShade($blendVariant, false);?>
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}
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}
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};
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<?
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}
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function LoopShade($blendVariant, $isSimpleShade)
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{ ?>
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if (is_nearest_filter)
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{
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<? Loop($blendVariant, $isSimpleShade, true);?>
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}
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else
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{
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<? Loop($blendVariant, $isSimpleShade, false);?>
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}
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<? }
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function Loop($blendVariant, $isSimpleShade, $isNearestFilter)
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{ ?>
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int textureheight = args.TextureHeight();
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// Shade constants
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int light = args.Light();
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__m128i mlight = _mm_set_epi16(light, light, light, 256, light, light, light, 256);
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__m128i inv_light = _mm_set1_epi16(256 - light, 256 - light, 256 - light, 0, 256 - light, 256 - light, 256 - light, 0);
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<? if ($isSimpleShade == false)
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{ ?>
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__m128i inv_desaturate = _mm_set1_epi16(256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 0, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 0);
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__m128i shade_fade = _mm_set_epi16(shade_constants.fade_red, shade_constants.fade_green, shade_constants.fade_blue, shade_constants.fade_alpha, shade_constants.fade_red, shade_constants.fade_green, shade_constants.fade_blue, shade_constants.fade_alpha);
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__m128i shade_light = _mm_set_epi16(shade_constants.light_red, shade_constants.light_green, shade_constants.light_blue, shade_constants.light_alpha, shade_constants.light_red, shade_constants.light_green, shade_constants.light_blue, shade_constants.light_alpha);
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<? } ?>
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int count = args.Count();
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for (int index = 0; index < count; index++)
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{
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int offset = index * pitch * 4;
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__m128i bgcolor = _mm_unpacklo_epi8(_mm_cvtsi32(dest[offset]), _mm_setzero_si128());
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// Sample
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<? Sample($isNearestFilter);?>
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// Shade
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<? Shade($isSimpleShade);?>
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// Blend
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<? Blend($blendVariant);?>
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dest[offset] = _mm_cvtsi32(outcolor);
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frac += fracstep;
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}
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<? }
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function Sample($isNearestFilter)
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{
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if ($isNearestFilter == true)
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{ ?>
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int sample_index = ((frac >> FRACBITS) * textureheight) >> FRACBITS;
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unsigned int ifgcolor = source[sample_index * 4];
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__m128i fgcolor = _mm_unpacklo_epi16(_mm_unpacklo_epi8(_mm_cvtsi32(ifgcolor), _mm_setzero_si128()), _mm_setzero_si128());
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<? }
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else
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{ ?>
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unsigned int frac_y0 = (texturefracy >> FRACBITS) * textureheight;
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unsigned int frac_y1 = ((texturefracy + one) >> FRACBITS) * textureheight;
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unsigned int y0 = frac_y0 >> FRACBITS;
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unsigned int y1 = frac_y1 >> FRACBITS;
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unsigned int p00 = source[y0 * 4];
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unsigned int p01 = source[y1 * 4];
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unsigned int p10 = source2[y0 * 4];
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unsigned int p11 = source2[y1 * 4];
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unsigned int inv_b = texturefracx;
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unsigned int a = (frac_y1 >> (FRACBITS - 4)) & 15;
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unsigned int inv_a = 16 - a;
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unsigned int b = 16 - inv_b;
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unsigned int sred = (RPART(p00) * (a * b) + RPART(p01) * (inv_a * b) + RPART(p10) * (a * inv_b) + RPART(p11) * (inv_a * inv_b) + 127) >> 8;
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unsigned int sgreen = (GPART(p00) * (a * b) + GPART(p01) * (inv_a * b) + GPART(p10) * (a * inv_b) + GPART(p11) * (inv_a * inv_b) + 127) >> 8;
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unsigned int sblue = (BPART(p00) * (a * b) + BPART(p01) * (inv_a * b) + BPART(p10) * (a * inv_b) + BPART(p11) * (inv_a * inv_b) + 127) >> 8;
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unsigned int salpha = (APART(p00) * (a * b) + APART(p01) * (inv_a * b) + APART(p10) * (a * inv_b) + APART(p11) * (inv_a * inv_b) + 127) >> 8;
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unsigned int ifgcolor = (salpha << 24) | (sred << 16) | (sgreen << 8) | sblue;
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__m128i fgcolor = _mm_unpacklo_epi16(_mm_unpacklo_epi8(_mm_cvtsi32(ifgcolor), _mm_setzero_si128()), _mm_setzero_si128());
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<? }
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}
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function Shade($isSimpleShade)
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{
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if ($isSimpleShade == true)
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{ ?>
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fgcolor = _mm_srli_epi16(_mm_mullo_epi16(fgcolor, mlight), 8);
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<? }
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else
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{ ?>
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int blue = BPART(ifgcolor);
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int green = GPART(ifgcolor);
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int red = RPART(ifgcolor);
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__m128i intensity = _mm_set1_epi16(((red * 77 + green * 143 + blue * 37) >> 8) * desaturate);
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fgcolor = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(fgcolor, inv_desaturate), intensity), 8);
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fgcolor = _mm_mullo_epi16(fgcolor, _mm_set1_epi16(light));
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fgcolor = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(shade_fade, inv_light), fgcolor), 8);
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fgcolor = _mm_srli_epi16(_mm_mullo_epi16(fgcolor, shade_light), 8);
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<? }
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}
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function Blend($blendVariant)
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{
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if ($blendVariant == "opaque")
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{ ?>
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__m128 outcolor = fgcolor;
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outcolor = _mm_packus_epi16(outcolor, _mm_setzero128());
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<? }
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else if ($blendVariant == "masked")
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{
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CalcAlpha(); ?>
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fgcolor = _mm_mullo_epi16(fgcolor, alpha);
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bgcolor = _mm_mullo_epi16(bgcolor, inv_alpha);
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__m128i outcolor = _mm_srli_epi16(_mm_add_epi16(fgcolor, bgcolor), 8);
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outcolor = _mm_packus_epi16(outcolor, _mm_setzero128());
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outcolor = _mm_or_si128(outcolor, _mm_set_epi32(0xff000000));
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<? }
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else if ($blendVariant == "add" || $blendVariant == "addclamp")
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{
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CalcBlendColor(); ?>
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__m128i out_lo = _mm_srai_epi16(_mm_add_epi32(fg_lo, bg_lo), 8);
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__m128i out_hi = _mm_srai_epi16(_mm_add_epi32(fg_hi, bg_hi), 8);
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__m128i outcolor = _mm_packs_epi32(fg_lo, fg_hi);
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outcolor = _mm_packus_epi16(outcolor, _mm_setzero128());
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outcolor = _mm_or_si128(outcolor, _mm_set_epi32(0xff000000));
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<? }
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else if ($blendVariant == "subclamp")
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{
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CalcBlendColor(); ?>
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__m128i out_lo = _mm_srai_epi16(_mm_sub_epi32(fg_lo, bg_lo), 8);
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__m128i out_hi = _mm_srai_epi16(_mm_sub_epi32(fg_hi, bg_hi), 8);
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__m128i outcolor = _mm_packs_epi32(fg_lo, fg_hi);
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outcolor = _mm_packus_epi16(outcolor, _mm_setzero128());
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outcolor = _mm_or_si128(outcolor, _mm_set_epi32(0xff000000));
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<? }
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else if ($blendVariant == "revsubclamp")
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{
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CalcBlendColor(); ?>
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__m128i out_lo = _mm_srai_epi16(_mm_sub_epi32(bg_lo, fg_lo), 8);
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__m128i out_hi = _mm_srai_epi16(_mm_sub_epi32(bg_hi, fg_hi), 8);
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__m128i outcolor = _mm_packs_epi32(fg_lo, fg_hi);
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outcolor = _mm_packus_epi16(outcolor, _mm_setzero128());
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outcolor = _mm_or_si128(outcolor, _mm_set_epi32(0xff000000));
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<? }
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}
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function CalcAlpha()
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{ ?>
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__m128 alpha = _mm_shufflelo_epi16(fgcolor, _MM_SHUFFLE(3,3,3,3));
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alpha = _mm_shufflehi_epi16(fgcolor, _MM_SHUFFLE(3,3,3,3));
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alpha = _mm_add_epi16(alpha, _mm_srli_epi16(alpha, 7)); // 255 -> 256
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__m128 inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
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<? }
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function CalcBlendColor()
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{
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CalcAlpha();?>
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__m128 bgalpha = _mm_mullo_epi16(destalpha, alpha);
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bgalpha = _mm_srli_epi16(_mm_add_epi16(_mm_add_epi16(bgalpha, _mm_slli_epi16(inv_alpha, 8)), _mm_set1_epi16(128)), 8);
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__m128 fgalpha = _mm_mullo_epi16(srcalpha, alpha);
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fgalpha = _mm_srli_epi16(_mm_add_epi16(fgalpha, _mm_set1_epi16(128)), 8);
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fgcolor = _mm_mullo_epi16(fgcolor, fgalpha);
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bgcolor = _mm_mullo_epi16(bgcolor, bgalpha);
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__m128i fg_lo = _mm_unpacklo_epi16(fgcolor, _mm_setzero_si128());
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__m128i bg_lo = _mm_unpacklo_epi16(bgcolor, _mm_setzero_si128());
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__m128i fg_hi = _mm_unpackhi_epi16(fgcolor, _mm_setzero_si128());
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__m128i bg_hi = _mm_unpackhi_epi16(bgcolor, _mm_setzero_si128());
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<? }
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?>
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}
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