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Added sky drawers

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This commit is contained in:
Magnus Norddahl 2017-02-21 01:25:08 +01:00
parent 5fa5b062d6
commit e73031b3c9
3 changed files with 333 additions and 2 deletions
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17
src/swrenderer/drawers/r_draw_rgba.cpp
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@ -43,6 +43,7 @@
#include "r_draw_wall32.h"
#include "r_draw_sprite32.h"
#include "r_draw_span32.h"
#include "r_draw_sky32.h"
#include "gi.h"
#include "stats.h"
@ -295,6 +296,22 @@ namespace swrenderer
Queue->Push<DrawSpanMaskedAddClampLLVMCommand>(args);
}
void SWTruecolorDrawers::DrawSingleSkyColumn(const SkyDrawerArgs &args)
{
if (r_phpdrawers)
Queue->Push<DrawSkySingle32Command>(args);
else
Queue->Push<DrawSingleSky1LLVMCommand>(args);
}
void SWTruecolorDrawers::DrawDoubleSkyColumn(const SkyDrawerArgs &args)
{
if (r_phpdrawers)
Queue->Push<DrawSkyDouble32Command>(args);
else
Queue->Push<DrawDoubleSky1LLVMCommand>(args);
}
DrawSpanLLVMCommand::DrawSpanLLVMCommand(const SpanDrawerArgs &drawerargs)
{
auto shade_constants = drawerargs.ColormapConstants();

4
src/swrenderer/drawers/r_draw_rgba.h
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@ -365,8 +365,8 @@ namespace swrenderer
void DrawWallAddClampColumn(const WallDrawerArgs &args) override;
void DrawWallSubClampColumn(const WallDrawerArgs &args) override;
void DrawWallRevSubClampColumn(const WallDrawerArgs &args) override;
void DrawSingleSkyColumn(const SkyDrawerArgs &args) override { Queue->Push<DrawSingleSky1LLVMCommand>(args); }
void DrawDoubleSkyColumn(const SkyDrawerArgs &args) override { Queue->Push<DrawDoubleSky1LLVMCommand>(args); }
void DrawSingleSkyColumn(const SkyDrawerArgs &args) override;
void DrawDoubleSkyColumn(const SkyDrawerArgs &args) override;
void DrawColumn(const SpriteDrawerArgs &args) override;
void FillColumn(const SpriteDrawerArgs &args) override;
void FillAddColumn(const SpriteDrawerArgs &args) override;

314
src/swrenderer/drawers/r_draw_sky32.h Normal file
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@ -0,0 +1,314 @@
/*
** 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_skydrawer.h"
namespace swrenderer
{
class DrawSkySingle32Command : public DrawerCommand
{
protected:
SkyDrawerArgs args;
public:
DrawSkySingle32Command(const SkyDrawerArgs &args) : args(args) { }
void Execute(DrawerThread *thread) override
{
uint32_t *dest = (uint32_t *)args.Dest();
int count = args.Count();
int pitch = RenderViewport::Instance()->RenderTarget->GetPitch();
const uint32_t *source0 = (const uint32_t *)args.FrontTexturePixels();
int textureheight0 = args.FrontTextureHeight();
int32_t frac = args.TextureVPos();
int32_t fracstep = args.TextureVStep();
uint32_t solid_top = args.SolidTopColor();
uint32_t solid_bottom = args.SolidBottomColor();
bool fadeSky = args.FadeSky();
// Find bands for top solid color, top fade, center textured, bottom fade, bottom solid color:
int start_fade = 2; // How fast it should fade out
int fade_length = (1 << (24 - start_fade));
int start_fadetop_y = (-frac) / fracstep;
int end_fadetop_y = (fade_length - frac) / fracstep;
int start_fadebottom_y = ((2 << 24) - fade_length - frac) / fracstep;
int end_fadebottom_y = ((2 << 24) - frac) / fracstep;
start_fadetop_y = clamp(start_fadetop_y, 0, count);
end_fadetop_y = clamp(end_fadetop_y, 0, count);
start_fadebottom_y = clamp(start_fadebottom_y, 0, count);
end_fadebottom_y = clamp(end_fadebottom_y, 0, count);
int num_cores = thread->num_cores;
int skipped = thread->skipped_by_thread(args.DestY());
dest = thread->dest_for_thread(args.DestY(), pitch, dest);
frac += fracstep * skipped;
fracstep *= num_cores;
pitch *= num_cores;
if (!fadeSky)
{
count = thread->count_for_thread(args.DestY(), count);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
*dest = source0[sample_index];
dest += pitch;
frac += fracstep;
}
return;
}
__m128i solid_top_fill = _mm_unpacklo_epi8(_mm_cvtsi32_si128(solid_top), _mm_setzero_si128());
__m128i solid_bottom_fill = _mm_unpacklo_epi8(_mm_cvtsi32_si128(solid_bottom), _mm_setzero_si128());
int index = skipped;
// Top solid color:
while (index < start_fadetop_y)
{
*dest = solid_top;
dest += pitch;
frac += fracstep;
index += num_cores;
}
// Top fade:
while (index < end_fadetop_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
__m128i alpha = _mm_set1_epi16(MAX(MIN(frac >> (16 - start_fade), 256), 0));
__m128i inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
__m128i c = _mm_unpacklo_epi8(_mm_cvtsi32_si128(fg), _mm_setzero_si128());
c = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(c, alpha), _mm_mullo_epi16(solid_top_fill, inv_alpha)), 8);
*dest = _mm_cvtsi128_si32(_mm_packus_epi16(c, _mm_setzero_si128()));
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Textured center:
while (index < start_fadebottom_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
*dest = source0[sample_index];
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Fade bottom:
while (index < end_fadebottom_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
__m128i alpha = _mm_set1_epi16(MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0));
__m128i inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
__m128i c = _mm_unpacklo_epi8(_mm_cvtsi32_si128(fg), _mm_setzero_si128());
c = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(c, alpha), _mm_mullo_epi16(solid_top_fill, inv_alpha)), 8);
*dest = _mm_cvtsi128_si32(_mm_packus_epi16(c, _mm_setzero_si128()));
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Bottom solid color:
while (index < count)
{
*dest = solid_bottom;
dest += pitch;
index += num_cores;
}
}
FString DebugInfo() override { return "DrawSkySingle32Command"; }
};
class DrawSkyDouble32Command : public DrawerCommand
{
protected:
SkyDrawerArgs args;
public:
DrawSkyDouble32Command(const SkyDrawerArgs &args) : args(args) { }
void Execute(DrawerThread *thread) override
{
uint32_t *dest = (uint32_t *)args.Dest();
int count = args.Count();
int pitch = RenderViewport::Instance()->RenderTarget->GetPitch();
const uint32_t *source0 = (const uint32_t *)args.FrontTexturePixels();
const uint32_t *source1 = (const uint32_t *)args.BackTexturePixels();
int textureheight0 = args.FrontTextureHeight();
uint32_t maxtextureheight1 = args.BackTextureHeight() - 1;
int32_t frac = args.TextureVPos();
int32_t fracstep = args.TextureVStep();
uint32_t solid_top = args.SolidTopColor();
uint32_t solid_bottom = args.SolidBottomColor();
bool fadeSky = args.FadeSky();
// Find bands for top solid color, top fade, center textured, bottom fade, bottom solid color:
int start_fade = 2; // How fast it should fade out
int fade_length = (1 << (24 - start_fade));
int start_fadetop_y = (-frac) / fracstep;
int end_fadetop_y = (fade_length - frac) / fracstep;
int start_fadebottom_y = ((2 << 24) - fade_length - frac) / fracstep;
int end_fadebottom_y = ((2 << 24) - frac) / fracstep;
start_fadetop_y = clamp(start_fadetop_y, 0, count);
end_fadetop_y = clamp(end_fadetop_y, 0, count);
start_fadebottom_y = clamp(start_fadebottom_y, 0, count);
end_fadebottom_y = clamp(end_fadebottom_y, 0, count);
int num_cores = thread->num_cores;
int skipped = thread->skipped_by_thread(args.DestY());
dest = thread->dest_for_thread(args.DestY(), pitch, dest);
frac += fracstep * skipped;
fracstep *= num_cores;
pitch *= num_cores;
if (!fadeSky)
{
count = thread->count_for_thread(args.DestY(), count);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
*dest = fg;
dest += pitch;
frac += fracstep;
}
return;
}
__m128i solid_top_fill = _mm_unpacklo_epi8(_mm_cvtsi32_si128(solid_top), _mm_setzero_si128());
__m128i solid_bottom_fill = _mm_unpacklo_epi8(_mm_cvtsi32_si128(solid_bottom), _mm_setzero_si128());
int index = skipped;
// Top solid color:
while (index < start_fadetop_y)
{
*dest = solid_top;
dest += pitch;
frac += fracstep;
index += num_cores;
}
// Top fade:
while (index < end_fadetop_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
__m128i alpha = _mm_set1_epi16(MAX(MIN(frac >> (16 - start_fade), 256), 0));
__m128i inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
__m128i c = _mm_unpacklo_epi8(_mm_cvtsi32_si128(fg), _mm_setzero_si128());
c = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(c, alpha), _mm_mullo_epi16(solid_top_fill, inv_alpha)), 8);
*dest = _mm_cvtsi128_si32(_mm_packus_epi16(c, _mm_setzero_si128()));
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Textured center:
while (index < start_fadebottom_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
*dest = fg;
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Fade bottom:
while (index < end_fadebottom_y)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint32_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
__m128i alpha = _mm_set1_epi16(MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0));
__m128i inv_alpha = _mm_sub_epi16(_mm_set1_epi16(256), alpha);
__m128i c = _mm_unpacklo_epi8(_mm_cvtsi32_si128(fg), _mm_setzero_si128());
c = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(c, alpha), _mm_mullo_epi16(solid_top_fill, inv_alpha)), 8);
*dest = _mm_cvtsi128_si32(_mm_packus_epi16(c, _mm_setzero_si128()));
frac += fracstep;
dest += pitch;
index += num_cores;
}
// Bottom solid color:
while (index < count)
{
*dest = solid_bottom;
dest += pitch;
index += num_cores;
}
}
FString DebugInfo() override { return "DrawSkyDouble32Command"; }
};
}