mirror of
https://github.com/ZDoom/qzdoom.git
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Switched to a template version of the span32 drawers
This commit is contained in:
Magnus Norddahl
parent
298d68865c
commit
2a7bdaad79
2 changed files with 510 additions and 1 deletions
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@ -41,7 +41,7 @@
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#include "swrenderer/scene/r_light.h"
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#include "swrenderer/scene/r_light.h"
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#include "r_draw_wall32.h"
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#include "r_draw_wall32.h"
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#include "r_draw_sprite32.h"
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#include "r_draw_sprite32.h"
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#include "r_draw_span32.h"
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#include "r_draw_span32_sse2.h"
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#include "r_draw_sky32.h"
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#include "r_draw_sky32.h"
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#include "gi.h"
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#include "gi.h"
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509
src/swrenderer/drawers/r_draw_span32_sse2.h
Normal file
509
src/swrenderer/drawers/r_draw_span32_sse2.h
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@ -0,0 +1,509 @@
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/*
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** Drawer commands for spans
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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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#pragma once
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#include "swrenderer/drawers/r_draw_rgba.h"
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#include "swrenderer/viewport/r_spandrawer.h"
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namespace swrenderer
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{
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namespace DrawSpan32TModes
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{
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enum class SpanBlendModes { Opaque, Masked, Translucent, AddClamp, SubClamp, RevSubClamp };
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struct OpaqueSpan { static const int Mode = (int)SpanBlendModes::Opaque; };
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struct MaskedSpan { static const int Mode = (int)SpanBlendModes::Masked; };
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struct TranslucentSpan { static const int Mode = (int)SpanBlendModes::Translucent; };
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struct AddClampSpan { static const int Mode = (int)SpanBlendModes::AddClamp; };
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struct SubClampSpan { static const int Mode = (int)SpanBlendModes::SubClamp; };
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struct RevSubClampSpan { static const int Mode = (int)SpanBlendModes::RevSubClamp; };
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enum class FilterModes { Nearest, Linear };
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struct NearestFilter { static const int Mode = (int)FilterModes::Nearest; };
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struct LinearFilter { static const int Mode = (int)FilterModes::Linear; };
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enum class ShadeMode { Simple, Advanced };
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struct SimpleShade { static const int Mode = (int)ShadeMode::Simple; };
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struct AdvancedShade { static const int Mode = (int)ShadeMode::Advanced; };
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enum class SpanTextureSize { SizeAny, Size64x64 };
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struct TextureSizeAny { static const int Mode = (int)SpanTextureSize::SizeAny; };
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struct TextureSize64x64 { static const int Mode = (int)SpanTextureSize::Size64x64; };
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}
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template<typename BlendT>
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class DrawSpan32T : public DrawerCommand
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{
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protected:
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SpanDrawerArgs args;
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public:
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DrawSpan32T(const SpanDrawerArgs &drawerargs) : args(drawerargs) { }
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struct TextureData
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{
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uint32_t xbits;
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uint32_t ybits;
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uint32_t xstep;
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uint32_t ystep;
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uint32_t xfrac;
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uint32_t yfrac;
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uint32_t yshift;
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uint32_t xshift;
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uint32_t xmask;
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const uint32_t *source;
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};
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void Execute(DrawerThread *thread) override
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{
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using namespace DrawSpan32TModes;
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if (thread->line_skipped_by_thread(args.DestY())) return;
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TextureData texdata;
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texdata.xbits = args.TextureWidthBits();
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texdata.ybits = args.TextureHeightBits();
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texdata.xstep = args.TextureUStep();
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texdata.ystep = args.TextureVStep();
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texdata.xfrac = args.TextureUPos();
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texdata.yfrac = args.TextureVPos();
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texdata.yshift = 32 - texdata.ybits;
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texdata.xshift = texdata.yshift - texdata.xbits;
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texdata.xmask = ((1 << texdata.xbits) - 1) << texdata.ybits;
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texdata.source = (const uint32_t*)args.TexturePixels();
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double lod = args.TextureLOD();
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bool mipmapped = args.MipmappedTexture();
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bool magnifying = lod < 0.0;
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if (r_mipmap && mipmapped)
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{
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int level = (int)lod;
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while (level > 0)
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{
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if (texdata.xbits <= 2 || texdata.ybits <= 2)
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break;
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texdata.source += (1 << (texdata.xbits)) * (1 << (texdata.ybits));
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texdata.xbits -= 1;
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texdata.ybits -= 1;
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level--;
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}
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}
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bool is_nearest_filter = !((magnifying && r_magfilter) || (!magnifying && r_minfilter));
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bool is_64x64 = texdata.xbits == 6 && texdata.ybits == 6;
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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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if (is_nearest_filter)
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{
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if (is_64x64)
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Loop<SimpleShade, NearestFilter, TextureSize64x64>(thread, texdata, shade_constants);
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else
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Loop<SimpleShade, NearestFilter, TextureSizeAny>(thread, texdata, shade_constants);
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}
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else
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{
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if (is_64x64)
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Loop<SimpleShade, LinearFilter, TextureSize64x64>(thread, texdata, shade_constants);
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else
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Loop<SimpleShade, LinearFilter, TextureSizeAny>(thread, texdata, shade_constants);
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}
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}
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else
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{
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if (is_nearest_filter)
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{
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if (is_64x64)
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Loop<AdvancedShade, NearestFilter, TextureSize64x64>(thread, texdata, shade_constants);
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else
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Loop<AdvancedShade, NearestFilter, TextureSizeAny>(thread, texdata, shade_constants);
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}
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else
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{
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if (is_64x64)
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Loop<AdvancedShade, LinearFilter, TextureSize64x64>(thread, texdata, shade_constants);
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else
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Loop<AdvancedShade, LinearFilter, TextureSizeAny>(thread, texdata, shade_constants);
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}
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}
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}
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template<typename ShadeModeT, typename FilterModeT, typename TextureSizeT>
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void Loop(DrawerThread *thread, TextureData texdata, ShadeConstants shade_constants)
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{
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using namespace DrawSpan32TModes;
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// Shade constants
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int light = 256 - (args.Light() >> (FRACBITS - 8));
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__m128i mlight = _mm_set_epi16(256, light, light, light, 256, light, light, light);
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__m128i inv_light = _mm_set_epi16(0, 256 - light, 256 - light, 256 - light, 0, 256 - light, 256 - light, 256 - light);
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__m128i inv_desaturate, shade_fade, shade_light;
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int desaturate;
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if (ShadeModeT::Mode == (int)ShadeMode::Advanced)
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{
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inv_desaturate = _mm_setr_epi16(256, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 256, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate, 256 - shade_constants.desaturate);
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shade_fade = _mm_set_epi16(shade_constants.fade_alpha, 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);
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shade_fade = _mm_mullo_epi16(shade_fade, inv_light);
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shade_light = _mm_set_epi16(shade_constants.light_alpha, 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);
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desaturate = shade_constants.desaturate;
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}
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else
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{
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inv_desaturate = _mm_setzero_si128();
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shade_fade = _mm_setzero_si128();
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shade_fade = _mm_setzero_si128();
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shade_light = _mm_setzero_si128();
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desaturate = 0;
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}
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auto lights = args.dc_lights;
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auto num_lights = args.dc_num_lights;
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float vpx = args.dc_viewpos.X;
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float stepvpx = args.dc_viewpos_step.X;
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__m128 viewpos_x = _mm_setr_ps(vpx, vpx + stepvpx, 0.0f, 0.0f);
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__m128 step_viewpos_x = _mm_set1_ps(stepvpx * 2.0f);
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int count = args.DestX2() - args.DestX1() + 1;
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int pitch = RenderViewport::Instance()->RenderTarget->GetPitch();
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uint32_t *dest = (uint32_t*)RenderViewport::Instance()->GetDest(args.DestX1(), args.DestY());
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if (FilterModeT::Mode == (int)FilterModes::Linear)
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{
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texdata.xfrac -= 1 << (31 - texdata.xbits);
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texdata.yfrac -= 1 << (31 - texdata.ybits);
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}
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uint32_t srcalpha = args.SrcAlpha() >> (FRACBITS - 8);
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uint32_t destalpha = args.DestAlpha() >> (FRACBITS - 8);
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int ssecount = count / 2;
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for (int index = 0; index < ssecount; index++)
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{
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int offset = index * 2;
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__m128i bgcolor;
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if (BlendT::Mode != (int)SpanBlendModes::Opaque)
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{
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bgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)(dest + offset)), _mm_setzero_si128());
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}
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else
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{
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bgcolor = _mm_setzero_si128();
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}
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// Sample
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unsigned int ifgcolor[2];
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ifgcolor[0] = Sample<FilterModeT, TextureSizeT>(texdata.xbits, texdata.ybits, texdata.xstep, texdata.ystep, texdata.xfrac, texdata.yfrac, texdata.yshift, texdata.xshift, texdata.xmask, texdata.source);
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texdata.xfrac += texdata.xstep;
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texdata.yfrac += texdata.ystep;
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ifgcolor[1] = Sample<FilterModeT, TextureSizeT>(texdata.xbits, texdata.ybits, texdata.xstep, texdata.ystep, texdata.xfrac, texdata.yfrac, texdata.yshift, texdata.xshift, texdata.xmask, texdata.source);
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texdata.xfrac += texdata.xstep;
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texdata.yfrac += texdata.ystep;
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__m128i fgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)ifgcolor), _mm_setzero_si128());
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fgcolor = Shade<ShadeModeT>(fgcolor, mlight, ifgcolor[0], ifgcolor[1], desaturate, inv_desaturate, shade_fade, shade_light, lights, num_lights, viewpos_x);
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__m128i outcolor = Blend(fgcolor, bgcolor, srcalpha, destalpha, ifgcolor[0], ifgcolor[1]);
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_mm_storel_epi64((__m128i*)(dest + offset), outcolor);
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viewpos_x = _mm_add_ps(viewpos_x, step_viewpos_x);
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}
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if (ssecount * 2 != count)
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{
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int index = ssecount * 2;
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int offset = index;
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__m128i bgcolor;
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if (BlendT::Mode != (int)SpanBlendModes::Opaque)
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{
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bgcolor = _mm_unpacklo_epi8(_mm_cvtsi32_si128(dest[offset]), _mm_setzero_si128());
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}
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else
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{
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bgcolor = _mm_setzero_si128();
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}
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// Sample
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unsigned int ifgcolor[2];
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ifgcolor[0] = Sample<FilterModeT, TextureSizeT>(texdata.xbits, texdata.ybits, texdata.xstep, texdata.ystep, texdata.xfrac, texdata.yfrac, texdata.yshift, texdata.xshift, texdata.xmask, texdata.source);
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ifgcolor[1] = 0;
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__m128i fgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)ifgcolor), _mm_setzero_si128());
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fgcolor = Shade<ShadeModeT>(fgcolor, mlight, ifgcolor[0], ifgcolor[1], desaturate, inv_desaturate, shade_fade, shade_light, lights, num_lights, viewpos_x);
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__m128i outcolor = Blend(fgcolor, bgcolor, srcalpha, destalpha, ifgcolor[0], ifgcolor[1]);
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dest[offset] = _mm_cvtsi128_si32(outcolor);
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}
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}
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template<typename FilterModeT, typename TextureSizeT>
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unsigned int Sample(uint32_t xbits, uint32_t ybits, uint32_t xstep, uint32_t ystep, uint32_t xfrac, uint32_t yfrac, uint32_t yshift, uint32_t xshift, uint32_t xmask, const uint32_t *source)
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{
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using namespace DrawSpan32TModes;
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if (FilterModeT::Mode == (int)FilterModes::Nearest && TextureSizeT::Mode == (int)SpanTextureSize::Size64x64)
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{
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int sample_index = ((xfrac >> (32 - 6 - 6)) & (63 * 64)) + (yfrac >> (32 - 6));
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return source[sample_index];
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}
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else if (FilterModeT::Mode == (int)FilterModes::Nearest)
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{
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int sample_index = ((xfrac >> xshift) & xmask) + (yfrac >> yshift);
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return source[sample_index];
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}
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else
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{
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uint32_t xxbits, yybits;
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if (TextureSizeT::Mode == (int)SpanTextureSize::Size64x64)
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{
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xxbits = 26;
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yybits = 26;
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}
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else
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{
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xxbits = 32 - xbits;
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yybits = 32 - ybits;
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}
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uint32_t xxshift = (32 - xxbits);
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uint32_t yyshift = (32 - yybits);
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uint32_t xxmask = (1 << xxshift) - 1;
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uint32_t yymask = (1 << yyshift) - 1;
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uint32_t x = xfrac >> xxbits;
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uint32_t y = yfrac >> yybits;
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uint32_t p00 = source[((y & yymask) + ((x & xxmask) << yyshift))];
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uint32_t p01 = source[(((y + 1) & yymask) + ((x & xxmask) << yyshift))];
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uint32_t p10 = source[((y & yymask) + (((x + 1) & xxmask) << yyshift))];
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uint32_t p11 = source[(((y + 1) & yymask) + (((x + 1) & xxmask) << yyshift))];
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uint32_t inv_b = (xfrac >> (xxbits - 4)) & 15;
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uint32_t inv_a = (yfrac >> (yybits - 4)) & 15;
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uint32_t a = 16 - inv_a;
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uint32_t b = 16 - inv_b;
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uint32_t sred = (RPART(p00) * (a * b) + RPART(p01) * (inv_a * b) + RPART(p10) * (a * inv_b) + RPART(p11) * (inv_a * inv_b) + 127) >> 8;
|
||||||
|
uint32_t sgreen = (GPART(p00) * (a * b) + GPART(p01) * (inv_a * b) + GPART(p10) * (a * inv_b) + GPART(p11) * (inv_a * inv_b) + 127) >> 8;
|
||||||
|
uint32_t sblue = (BPART(p00) * (a * b) + BPART(p01) * (inv_a * b) + BPART(p10) * (a * inv_b) + BPART(p11) * (inv_a * inv_b) + 127) >> 8;
|
||||||
|
uint32_t salpha = (APART(p00) * (a * b) + APART(p01) * (inv_a * b) + APART(p10) * (a * inv_b) + APART(p11) * (inv_a * inv_b) + 127) >> 8;
|
||||||
|
|
||||||
|
return (salpha << 24) | (sred << 16) | (sgreen << 8) | sblue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
template<typename ShadeModeT>
|
||||||
|
__m128i Shade(__m128i fgcolor, __m128i mlight, unsigned int ifgcolor0, unsigned int ifgcolor1, int desaturate, __m128i inv_desaturate, __m128i shade_fade, __m128i shade_light, const DrawerLight *lights, int num_lights, __m128 viewpos_x)
|
||||||
|
{
|
||||||
|
using namespace DrawSpan32TModes;
|
||||||
|
|
||||||
|
__m128i material = fgcolor;
|
||||||
|
if (ShadeModeT::Mode == (int)ShadeMode::Simple)
|
||||||
|
{
|
||||||
|
fgcolor = _mm_srli_epi16(_mm_mullo_epi16(fgcolor, mlight), 8);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
int blue0 = BPART(ifgcolor0);
|
||||||
|
int green0 = GPART(ifgcolor0);
|
||||||
|
int red0 = RPART(ifgcolor0);
|
||||||
|
int intensity0 = ((red0 * 77 + green0 * 143 + blue0 * 37) >> 8) * desaturate;
|
||||||
|
|
||||||
|
int blue1 = BPART(ifgcolor1);
|
||||||
|
int green1 = GPART(ifgcolor1);
|
||||||
|
int red1 = RPART(ifgcolor1);
|
||||||
|
int intensity1 = ((red1 * 77 + green1 * 143 + blue1 * 37) >> 8) * desaturate;
|
||||||
|
|
||||||
|
__m128i intensity = _mm_set_epi16(0, intensity1, intensity1, intensity1, 0, intensity0, intensity0, intensity0);
|
||||||
|
|
||||||
|
fgcolor = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(fgcolor, inv_desaturate), intensity), 8);
|
||||||
|
fgcolor = _mm_mullo_epi16(fgcolor, mlight);
|
||||||
|
fgcolor = _mm_srli_epi16(_mm_add_epi16(shade_fade, fgcolor), 8);
|
||||||
|
fgcolor = _mm_srli_epi16(_mm_mullo_epi16(fgcolor, shade_light), 8);
|
||||||
|
}
|
||||||
|
|
||||||
|
return AddLights(material, fgcolor, lights, num_lights, viewpos_x);
|
||||||
|
}
|
||||||
|
|
||||||
|
__m128i AddLights(__m128i material, __m128i fgcolor, const DrawerLight *lights, int num_lights, __m128 viewpos_x)
|
||||||
|
{
|
||||||
|
using namespace DrawSpan32TModes;
|
||||||
|
|
||||||
|
__m128i lit = _mm_setzero_si128();
|
||||||
|
|
||||||
|
for (int i = 0; i != num_lights; i++)
|
||||||
|
{
|
||||||
|
__m128 light_x = _mm_set1_ps(lights[i].x);
|
||||||
|
__m128 light_y = _mm_set1_ps(lights[i].y);
|
||||||
|
__m128 light_z = _mm_set1_ps(lights[i].z);
|
||||||
|
__m128 light_radius = _mm_set1_ps(lights[i].radius);
|
||||||
|
__m128 m256 = _mm_set1_ps(256.0f);
|
||||||
|
|
||||||
|
// L = light-pos
|
||||||
|
// dist = sqrt(dot(L, L))
|
||||||
|
// distance_attenuation = 1 - MIN(dist * (1/radius), 1)
|
||||||
|
__m128 Lyz2 = light_y; // L.y*L.y + L.z*L.z
|
||||||
|
__m128 Lx = _mm_sub_ps(light_x, viewpos_x);
|
||||||
|
__m128 dist2 = _mm_add_ps(Lyz2, _mm_mul_ps(Lx, Lx));
|
||||||
|
__m128 rcp_dist = _mm_rsqrt_ps(dist2);
|
||||||
|
__m128 dist = _mm_mul_ps(dist2, rcp_dist);
|
||||||
|
__m128 distance_attenuation = _mm_sub_ps(m256, _mm_min_ps(_mm_mul_ps(dist, light_radius), m256));
|
||||||
|
|
||||||
|
// The simple light type
|
||||||
|
__m128 simple_attenuation = distance_attenuation;
|
||||||
|
|
||||||
|
// The point light type
|
||||||
|
// diffuse = dot(N,L) * attenuation
|
||||||
|
__m128 point_attenuation = _mm_mul_ps(_mm_mul_ps(light_z, rcp_dist), distance_attenuation);
|
||||||
|
|
||||||
|
__m128 is_attenuated = _mm_cmpeq_ps(light_z, _mm_setzero_ps());
|
||||||
|
__m128i attenuation = _mm_cvtps_epi32(_mm_or_ps(_mm_and_ps(is_attenuated, simple_attenuation), _mm_andnot_ps(is_attenuated, point_attenuation)));
|
||||||
|
attenuation = _mm_packs_epi32(_mm_shuffle_epi32(attenuation, _MM_SHUFFLE(0, 0, 0, 0)), _mm_shuffle_epi32(attenuation, _MM_SHUFFLE(1, 1, 1, 1)));
|
||||||
|
|
||||||
|
__m128i light_color = _mm_cvtsi32_si128(lights[i].color);
|
||||||
|
light_color = _mm_unpacklo_epi8(light_color, _mm_setzero_si128());
|
||||||
|
light_color = _mm_shuffle_epi32(light_color, _MM_SHUFFLE(1, 0, 1, 0));
|
||||||
|
|
||||||
|
lit = _mm_add_epi16(lit, _mm_srli_epi16(_mm_mullo_epi16(light_color, attenuation), 8));
|
||||||
|
}
|
||||||
|
|
||||||
|
fgcolor = _mm_add_epi16(fgcolor, _mm_srli_epi16(_mm_mullo_epi16(material, lit), 8));
|
||||||
|
fgcolor = _mm_min_epi16(fgcolor, _mm_set1_epi16(255));
|
||||||
|
return fgcolor;
|
||||||
|
}
|
||||||
|
|
||||||
|
__m128i Blend(__m128i fgcolor, __m128i bgcolor, uint32_t srcalpha, uint32_t destalpha, unsigned int ifgcolor0, unsigned int ifgcolor1)
|
||||||
|
{
|
||||||
|
using namespace DrawSpan32TModes;
|
||||||
|
|
||||||
|
if (BlendT::Mode == (int)SpanBlendModes::Opaque)
|
||||||
|
{
|
||||||
|
__m128i outcolor = fgcolor;
|
||||||
|
outcolor = _mm_packus_epi16(outcolor, _mm_setzero_si128());
|
||||||
|
return outcolor;
|
||||||
|
}
|
||||||
|
else if (BlendT::Mode == (int)SpanBlendModes::Masked)
|
||||||
|
{
|
||||||
|
__m128i alpha = _mm_shufflelo_epi16(fgcolor, _MM_SHUFFLE(3, 3, 3, 3));
|
||||||
|
alpha = _mm_shufflehi_epi16(fgcolor, _MM_SHUFFLE(3, 3, 3, 3));
|
||||||
|
alpha = _mm_add_epi16(alpha, _mm_srli_epi16(alpha, 7)); // 255 -> 256
|
||||||
|
__m128i inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
|
||||||
|
|
||||||
|
fgcolor = _mm_mullo_epi16(fgcolor, alpha);
|
||||||
|
bgcolor = _mm_mullo_epi16(bgcolor, inv_alpha);
|
||||||
|
__m128i outcolor = _mm_srli_epi16(_mm_add_epi16(fgcolor, bgcolor), 8);
|
||||||
|
outcolor = _mm_packus_epi16(outcolor, _mm_setzero_si128());
|
||||||
|
outcolor = _mm_or_si128(outcolor, _mm_set1_epi32(0xff000000));
|
||||||
|
return outcolor;
|
||||||
|
}
|
||||||
|
else if (BlendT::Mode == (int)SpanBlendModes::Translucent)
|
||||||
|
{
|
||||||
|
__m128i fgalpha = _mm_set1_epi16(srcalpha);
|
||||||
|
__m128i bgalpha = _mm_set1_epi16(destalpha);
|
||||||
|
|
||||||
|
fgcolor = _mm_mullo_epi16(fgcolor, fgalpha);
|
||||||
|
bgcolor = _mm_mullo_epi16(bgcolor, bgalpha);
|
||||||
|
|
||||||
|
__m128i fg_lo = _mm_unpacklo_epi16(fgcolor, _mm_setzero_si128());
|
||||||
|
__m128i bg_lo = _mm_unpacklo_epi16(bgcolor, _mm_setzero_si128());
|
||||||
|
__m128i fg_hi = _mm_unpackhi_epi16(fgcolor, _mm_setzero_si128());
|
||||||
|
__m128i bg_hi = _mm_unpackhi_epi16(bgcolor, _mm_setzero_si128());
|
||||||
|
|
||||||
|
__m128i out_lo = _mm_add_epi32(fg_lo, bg_lo);
|
||||||
|
__m128i out_hi = _mm_add_epi32(fg_hi, bg_hi);
|
||||||
|
|
||||||
|
out_lo = _mm_srai_epi32(out_lo, 8);
|
||||||
|
out_hi = _mm_srai_epi32(out_hi, 8);
|
||||||
|
__m128i outcolor = _mm_packs_epi32(out_lo, out_hi);
|
||||||
|
outcolor = _mm_packus_epi16(outcolor, _mm_setzero_si128());
|
||||||
|
outcolor = _mm_or_si128(outcolor, _mm_set1_epi32(0xff000000));
|
||||||
|
return outcolor;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
uint32_t alpha0 = APART(ifgcolor0);
|
||||||
|
uint32_t alpha1 = APART(ifgcolor1);
|
||||||
|
alpha0 += alpha0 >> 7; // 255->256
|
||||||
|
alpha1 += alpha1 >> 7; // 255->256
|
||||||
|
uint32_t inv_alpha0 = 256 - alpha0;
|
||||||
|
uint32_t inv_alpha1 = 256 - alpha1;
|
||||||
|
|
||||||
|
uint32_t bgalpha0 = (destalpha * alpha0 + (inv_alpha0 << 8) + 128) >> 8;
|
||||||
|
uint32_t bgalpha1 = (destalpha * alpha1 + (inv_alpha1 << 8) + 128) >> 8;
|
||||||
|
uint32_t fgalpha0 = (srcalpha * alpha0 + 128) >> 8;
|
||||||
|
uint32_t fgalpha1 = (srcalpha * alpha1 + 128) >> 8;
|
||||||
|
|
||||||
|
__m128i bgalpha = _mm_set_epi16(bgalpha1, bgalpha1, bgalpha1, bgalpha1, bgalpha0, bgalpha0, bgalpha0, bgalpha0);
|
||||||
|
__m128i fgalpha = _mm_set_epi16(fgalpha1, fgalpha1, fgalpha1, fgalpha1, fgalpha0, fgalpha0, fgalpha0, fgalpha0);
|
||||||
|
|
||||||
|
fgcolor = _mm_mullo_epi16(fgcolor, fgalpha);
|
||||||
|
bgcolor = _mm_mullo_epi16(bgcolor, bgalpha);
|
||||||
|
|
||||||
|
__m128i fg_lo = _mm_unpacklo_epi16(fgcolor, _mm_setzero_si128());
|
||||||
|
__m128i bg_lo = _mm_unpacklo_epi16(bgcolor, _mm_setzero_si128());
|
||||||
|
__m128i fg_hi = _mm_unpackhi_epi16(fgcolor, _mm_setzero_si128());
|
||||||
|
__m128i bg_hi = _mm_unpackhi_epi16(bgcolor, _mm_setzero_si128());
|
||||||
|
|
||||||
|
__m128i out_lo, out_hi;
|
||||||
|
if (BlendT::Mode == (int)SpanBlendModes::AddClamp)
|
||||||
|
{
|
||||||
|
out_lo = _mm_add_epi32(fg_lo, bg_lo);
|
||||||
|
out_hi = _mm_add_epi32(fg_hi, bg_hi);
|
||||||
|
}
|
||||||
|
else if (BlendT::Mode == (int)SpanBlendModes::SubClamp)
|
||||||
|
{
|
||||||
|
out_lo = _mm_sub_epi32(fg_lo, bg_lo);
|
||||||
|
out_hi = _mm_sub_epi32(fg_hi, bg_hi);
|
||||||
|
}
|
||||||
|
else if (BlendT::Mode == (int)SpanBlendModes::RevSubClamp)
|
||||||
|
{
|
||||||
|
out_lo = _mm_sub_epi32(bg_lo, fg_lo);
|
||||||
|
out_hi = _mm_sub_epi32(bg_hi, fg_hi);
|
||||||
|
}
|
||||||
|
|
||||||
|
out_lo = _mm_srai_epi32(out_lo, 8);
|
||||||
|
out_hi = _mm_srai_epi32(out_hi, 8);
|
||||||
|
__m128i outcolor = _mm_packs_epi32(out_lo, out_hi);
|
||||||
|
outcolor = _mm_packus_epi16(outcolor, _mm_setzero_si128());
|
||||||
|
outcolor = _mm_or_si128(outcolor, _mm_set1_epi32(0xff000000));
|
||||||
|
return outcolor;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
FString DebugInfo() override { return "DrawSpan32T"; }
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::OpaqueSpan> DrawSpan32Command;
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::MaskedSpan> DrawSpanMasked32Command;
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::TranslucentSpan> DrawSpanTranslucent32Command;
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::AddClampSpan> DrawSpanAddClamp32Command;
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::SubClampSpan> DrawSpanSubClamp32Command;
|
||||||
|
typedef DrawSpan32T<DrawSpan32TModes::RevSubClampSpan> DrawSpanRevSubClamp32Command;
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue