Switched to a template version of the span32 drawers

This commit is contained in:
Magnus Norddahl 2017-02-24 13:56:20 +01:00
parent 298d68865c
commit 2a7bdaad79
2 changed files with 510 additions and 1 deletions

View file

@ -41,7 +41,7 @@
#include "swrenderer/scene/r_light.h"
#include "r_draw_wall32.h"
#include "r_draw_sprite32.h"
#include "r_draw_span32.h"
#include "r_draw_span32_sse2.h"
#include "r_draw_sky32.h"
#include "gi.h"

View file

@ -0,0 +1,509 @@
/*
** Drawer commands for spans
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
#include "swrenderer/drawers/r_draw_rgba.h"
#include "swrenderer/viewport/r_spandrawer.h"
namespace swrenderer
{
namespace DrawSpan32TModes
{
enum class SpanBlendModes { Opaque, Masked, Translucent, AddClamp, SubClamp, RevSubClamp };
struct OpaqueSpan { static const int Mode = (int)SpanBlendModes::Opaque; };
struct MaskedSpan { static const int Mode = (int)SpanBlendModes::Masked; };
struct TranslucentSpan { static const int Mode = (int)SpanBlendModes::Translucent; };
struct AddClampSpan { static const int Mode = (int)SpanBlendModes::AddClamp; };
struct SubClampSpan { static const int Mode = (int)SpanBlendModes::SubClamp; };
struct RevSubClampSpan { static const int Mode = (int)SpanBlendModes::RevSubClamp; };
enum class FilterModes { Nearest, Linear };
struct NearestFilter { static const int Mode = (int)FilterModes::Nearest; };
struct LinearFilter { static const int Mode = (int)FilterModes::Linear; };
enum class ShadeMode { Simple, Advanced };
struct SimpleShade { static const int Mode = (int)ShadeMode::Simple; };
struct AdvancedShade { static const int Mode = (int)ShadeMode::Advanced; };
enum class SpanTextureSize { SizeAny, Size64x64 };
struct TextureSizeAny { static const int Mode = (int)SpanTextureSize::SizeAny; };
struct TextureSize64x64 { static const int Mode = (int)SpanTextureSize::Size64x64; };
}
template<typename BlendT>
class DrawSpan32T : public DrawerCommand
{
protected:
SpanDrawerArgs args;
public:
DrawSpan32T(const SpanDrawerArgs &drawerargs) : args(drawerargs) { }
struct TextureData
{
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;
};
void Execute(DrawerThread *thread) override
{
using namespace DrawSpan32TModes;
if (thread->line_skipped_by_thread(args.DestY())) return;
TextureData texdata;
texdata.xbits = args.TextureWidthBits();
texdata.ybits = args.TextureHeightBits();
texdata.xstep = args.TextureUStep();
texdata.ystep = args.TextureVStep();
texdata.xfrac = args.TextureUPos();
texdata.yfrac = args.TextureVPos();
texdata.yshift = 32 - texdata.ybits;
texdata.xshift = texdata.yshift - texdata.xbits;
texdata.xmask = ((1 << texdata.xbits) - 1) << texdata.ybits;
texdata.source = (const uint32_t*)args.TexturePixels();
double lod = args.TextureLOD();
bool mipmapped = args.MipmappedTexture();
bool magnifying = lod < 0.0;
if (r_mipmap && mipmapped)
{
int level = (int)lod;
while (level > 0)
{
if (texdata.xbits <= 2 || texdata.ybits <= 2)
break;
texdata.source += (1 << (texdata.xbits)) * (1 << (texdata.ybits));
texdata.xbits -= 1;
texdata.ybits -= 1;
level--;
}
}
bool is_nearest_filter = !((magnifying && r_magfilter) || (!magnifying && r_minfilter));
bool is_64x64 = texdata.xbits == 6 && texdata.ybits == 6;
auto shade_constants = args.ColormapConstants();
if (shade_constants.simple_shade)
{
if (is_nearest_filter)
{
if (is_64x64)
Loop<SimpleShade, NearestFilter, TextureSize64x64>(thread, texdata, shade_constants);
else
Loop<SimpleShade, NearestFilter, TextureSizeAny>(thread, texdata, shade_constants);
}
else
{
if (is_64x64)
Loop<SimpleShade, LinearFilter, TextureSize64x64>(thread, texdata, shade_constants);
else
Loop<SimpleShade, LinearFilter, TextureSizeAny>(thread, texdata, shade_constants);
}
}
else
{
if (is_nearest_filter)
{
if (is_64x64)
Loop<AdvancedShade, NearestFilter, TextureSize64x64>(thread, texdata, shade_constants);
else
Loop<AdvancedShade, NearestFilter, TextureSizeAny>(thread, texdata, shade_constants);
}
else
{
if (is_64x64)
Loop<AdvancedShade, LinearFilter, TextureSize64x64>(thread, texdata, shade_constants);
else
Loop<AdvancedShade, LinearFilter, TextureSizeAny>(thread, texdata, shade_constants);
}
}
}
template<typename ShadeModeT, typename FilterModeT, typename TextureSizeT>
void Loop(DrawerThread *thread, TextureData texdata, ShadeConstants shade_constants)
{
using namespace DrawSpan32TModes;
// Shade constants
int light = 256 - (args.Light() >> (FRACBITS - 8));
__m128i mlight = _mm_set_epi16(256, light, light, light, 256, light, light, light);
__m128i inv_light = _mm_set_epi16(0, 256 - light, 256 - light, 256 - light, 0, 256 - light, 256 - light, 256 - light);
__m128i inv_desaturate, shade_fade, shade_light;
int desaturate;
if (ShadeModeT::Mode == (int)ShadeMode::Advanced)
{
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);
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);
shade_fade = _mm_mullo_epi16(shade_fade, inv_light);
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);
desaturate = shade_constants.desaturate;
}
else
{
inv_desaturate = _mm_setzero_si128();
shade_fade = _mm_setzero_si128();
shade_fade = _mm_setzero_si128();
shade_light = _mm_setzero_si128();
desaturate = 0;
}
auto lights = args.dc_lights;
auto num_lights = args.dc_num_lights;
float vpx = args.dc_viewpos.X;
float stepvpx = args.dc_viewpos_step.X;
__m128 viewpos_x = _mm_setr_ps(vpx, vpx + stepvpx, 0.0f, 0.0f);
__m128 step_viewpos_x = _mm_set1_ps(stepvpx * 2.0f);
int count = args.DestX2() - args.DestX1() + 1;
int pitch = RenderViewport::Instance()->RenderTarget->GetPitch();
uint32_t *dest = (uint32_t*)RenderViewport::Instance()->GetDest(args.DestX1(), args.DestY());
if (FilterModeT::Mode == (int)FilterModes::Linear)
{
texdata.xfrac -= 1 << (31 - texdata.xbits);
texdata.yfrac -= 1 << (31 - texdata.ybits);
}
uint32_t srcalpha = args.SrcAlpha() >> (FRACBITS - 8);
uint32_t destalpha = args.DestAlpha() >> (FRACBITS - 8);
int ssecount = count / 2;
for (int index = 0; index < ssecount; index++)
{
int offset = index * 2;
__m128i bgcolor;
if (BlendT::Mode != (int)SpanBlendModes::Opaque)
{
bgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)(dest + offset)), _mm_setzero_si128());
}
else
{
bgcolor = _mm_setzero_si128();
}
// Sample
unsigned int ifgcolor[2];
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);
texdata.xfrac += texdata.xstep;
texdata.yfrac += texdata.ystep;
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);
texdata.xfrac += texdata.xstep;
texdata.yfrac += texdata.ystep;
__m128i fgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)ifgcolor), _mm_setzero_si128());
fgcolor = Shade<ShadeModeT>(fgcolor, mlight, ifgcolor[0], ifgcolor[1], desaturate, inv_desaturate, shade_fade, shade_light, lights, num_lights, viewpos_x);
__m128i outcolor = Blend(fgcolor, bgcolor, srcalpha, destalpha, ifgcolor[0], ifgcolor[1]);
_mm_storel_epi64((__m128i*)(dest + offset), outcolor);
viewpos_x = _mm_add_ps(viewpos_x, step_viewpos_x);
}
if (ssecount * 2 != count)
{
int index = ssecount * 2;
int offset = index;
__m128i bgcolor;
if (BlendT::Mode != (int)SpanBlendModes::Opaque)
{
bgcolor = _mm_unpacklo_epi8(_mm_cvtsi32_si128(dest[offset]), _mm_setzero_si128());
}
else
{
bgcolor = _mm_setzero_si128();
}
// Sample
unsigned int ifgcolor[2];
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);
ifgcolor[1] = 0;
__m128i fgcolor = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)ifgcolor), _mm_setzero_si128());
fgcolor = Shade<ShadeModeT>(fgcolor, mlight, ifgcolor[0], ifgcolor[1], desaturate, inv_desaturate, shade_fade, shade_light, lights, num_lights, viewpos_x);
__m128i outcolor = Blend(fgcolor, bgcolor, srcalpha, destalpha, ifgcolor[0], ifgcolor[1]);
dest[offset] = _mm_cvtsi128_si32(outcolor);
}
}
template<typename FilterModeT, typename TextureSizeT>
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)
{
using namespace DrawSpan32TModes;
if (FilterModeT::Mode == (int)FilterModes::Nearest && TextureSizeT::Mode == (int)SpanTextureSize::Size64x64)
{
int sample_index = ((xfrac >> (32 - 6 - 6)) & (63 * 64)) + (yfrac >> (32 - 6));
return source[sample_index];
}
else if (FilterModeT::Mode == (int)FilterModes::Nearest)
{
int sample_index = ((xfrac >> xshift) & xmask) + (yfrac >> yshift);
return source[sample_index];
}
else
{
uint32_t xxbits, yybits;
if (TextureSizeT::Mode == (int)SpanTextureSize::Size64x64)
{
xxbits = 26;
yybits = 26;
}
else
{
xxbits = 32 - xbits;
yybits = 32 - ybits;
}
uint32_t xxshift = (32 - xxbits);
uint32_t yyshift = (32 - yybits);
uint32_t xxmask = (1 << xxshift) - 1;
uint32_t yymask = (1 << yyshift) - 1;
uint32_t x = xfrac >> xxbits;
uint32_t y = yfrac >> yybits;
uint32_t p00 = source[((y & yymask) + ((x & xxmask) << yyshift))];
uint32_t p01 = source[(((y + 1) & yymask) + ((x & xxmask) << yyshift))];
uint32_t p10 = source[((y & yymask) + (((x + 1) & xxmask) << yyshift))];
uint32_t p11 = source[(((y + 1) & yymask) + (((x + 1) & xxmask) << yyshift))];
uint32_t inv_b = (xfrac >> (xxbits - 4)) & 15;
uint32_t inv_a = (yfrac >> (yybits - 4)) & 15;
uint32_t a = 16 - inv_a;
uint32_t b = 16 - inv_b;
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;
}