mirror of https://github.com/PCSX2/pcsx2.git
1235 lines
26 KiB
C++
1235 lines
26 KiB
C++
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/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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// TODO: JIT Draw* (flags: depth, texture, color (+iip), scissor)
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#include "stdafx.h"
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#include "GSRasterizer.h"
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// - for more threads screen segments should be smaller to better distribute the pixels
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// - but not too small to keep the threading overhead low
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// - ideal value between 3 and 5, or log2(64 / number of threads)
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#define THREAD_HEIGHT 4
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int GSRasterizerData::s_counter = 0;
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GSRasterizer::GSRasterizer(IDrawScanline* ds, int id, int threads, GSPerfMon* perfmon)
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: m_perfmon(perfmon)
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, m_ds(ds)
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, m_id(id)
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, m_threads(threads)
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{
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memset(&m_pixels, 0, sizeof(m_pixels));
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m_edge.buff = (GSVertexSW*)vmalloc(sizeof(GSVertexSW) * 2048, false);
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m_edge.count = 0;
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m_scanline = (uint8*)_aligned_malloc((2048 >> THREAD_HEIGHT) + 16, 64);
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int row = 0;
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while(row < (2048 >> THREAD_HEIGHT))
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{
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for(int i = 0; i < threads; i++, row++)
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{
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m_scanline[row] = i == id ? 1 : 0;
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}
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}
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}
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GSRasterizer::~GSRasterizer()
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{
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_aligned_free(m_scanline);
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if(m_edge.buff != NULL) vmfree(m_edge.buff, sizeof(GSVertexSW) * 2048);
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delete m_ds;
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}
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bool GSRasterizer::IsOneOfMyScanlines(int top) const
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{
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ASSERT(top >= 0 && top < 2048);
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return m_scanline[top >> THREAD_HEIGHT] != 0;
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}
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bool GSRasterizer::IsOneOfMyScanlines(int top, int bottom) const
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{
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ASSERT(top >= 0 && top < 2048 && bottom >= 0 && bottom < 2048);
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top = top >> THREAD_HEIGHT;
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bottom = (bottom + (1 << THREAD_HEIGHT) - 1) >> THREAD_HEIGHT;
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while(top < bottom)
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{
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if(m_scanline[top++])
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{
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return true;
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}
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}
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return false;
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}
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int GSRasterizer::FindMyNextScanline(int top) const
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{
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int i = top >> THREAD_HEIGHT;
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if(m_scanline[i] == 0)
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{
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while(m_scanline[++i] == 0);
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top = i << THREAD_HEIGHT;
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}
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return top;
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}
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void GSRasterizer::Queue(const shared_ptr<GSRasterizerData>& data)
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{
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Draw(data.get());
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}
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int GSRasterizer::GetPixels(bool reset)
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{
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int pixels = m_pixels.sum;
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if(reset)
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{
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m_pixels.sum = 0;
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}
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return pixels;
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}
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void GSRasterizer::Draw(GSRasterizerData* data)
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{
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GSPerfMonAutoTimer pmat(m_perfmon, GSPerfMon::WorkerDraw0 + m_id);
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if(data->vertex != NULL && data->vertex_count == 0 || data->index != NULL && data->index_count == 0) return;
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m_pixels.actual = 0;
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m_pixels.total = 0;
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data->start = __rdtsc();
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m_ds->BeginDraw(data);
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const GSVertexSW* vertex = data->vertex;
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const GSVertexSW* vertex_end = data->vertex + data->vertex_count;
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const uint32* index = data->index;
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const uint32* index_end = data->index + data->index_count;
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uint32 tmp_index[] = {0, 1, 2};
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bool scissor_test = !data->bbox.eq(data->bbox.rintersect(data->scissor));
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m_scissor = data->scissor;
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m_fscissor_x = GSVector4(data->scissor).xzxz();
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m_fscissor_y = GSVector4(data->scissor).ywyw();
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switch(data->primclass)
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{
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case GS_POINT_CLASS:
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if(scissor_test)
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{
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DrawPoint<true>(vertex, data->vertex_count, index, data->index_count);
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}
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else
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{
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DrawPoint<false>(vertex, data->vertex_count, index, data->index_count);
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}
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break;
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case GS_LINE_CLASS:
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if(index != NULL)
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{
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do {DrawLine(vertex, index); index += 2;}
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while(index < index_end);
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}
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else
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{
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do {DrawLine(vertex, tmp_index); vertex += 2;}
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while(vertex < vertex_end);
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}
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break;
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case GS_TRIANGLE_CLASS:
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if(index != NULL)
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{
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do {DrawTriangle(vertex, index); index += 3;}
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while(index < index_end);
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}
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else
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{
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do {DrawTriangle(vertex, tmp_index); vertex += 3;}
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while(vertex < vertex_end);
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}
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break;
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case GS_SPRITE_CLASS:
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if(index != NULL)
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{
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do {DrawSprite(vertex, index); index += 2;}
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while(index < index_end);
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}
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else
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{
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do {DrawSprite(vertex, tmp_index); vertex += 2;}
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while(vertex < vertex_end);
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}
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break;
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default:
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__assume(0);
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}
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#if _M_SSE >= 0x501
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_mm256_zeroupper();
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#endif
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data->pixels = m_pixels.actual;
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uint64 ticks = __rdtsc() - data->start;
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m_pixels.sum += m_pixels.actual;
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m_ds->EndDraw(data->frame, ticks, m_pixels.actual, m_pixels.total);
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}
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template<bool scissor_test>
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void GSRasterizer::DrawPoint(const GSVertexSW* vertex, int vertex_count, const uint32* index, int index_count)
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{
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if(index != NULL)
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{
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for(int i = 0; i < index_count; i++, index++)
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{
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const GSVertexSW& v = vertex[*index];
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GSVector4i p(v.p);
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if(!scissor_test || m_scissor.left <= p.x && p.x < m_scissor.right && m_scissor.top <= p.y && p.y < m_scissor.bottom)
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{
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if(IsOneOfMyScanlines(p.y))
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{
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m_ds->SetupPrim(vertex, index, GSVertexSW::zero());
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DrawScanline(1, p.x, p.y, v);
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}
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}
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}
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}
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else
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{
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uint32 tmp_index[1] = {0};
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for(int i = 0; i < vertex_count; i++, vertex++)
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{
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const GSVertexSW& v = vertex[0];
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GSVector4i p(v.p);
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if(!scissor_test || m_scissor.left <= p.x && p.x < m_scissor.right && m_scissor.top <= p.y && p.y < m_scissor.bottom)
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{
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if(IsOneOfMyScanlines(p.y))
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{
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m_ds->SetupPrim(vertex, tmp_index, GSVertexSW::zero());
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DrawScanline(1, p.x, p.y, v);
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}
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}
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}
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}
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}
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void GSRasterizer::DrawLine(const GSVertexSW* vertex, const uint32* index)
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{
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const GSVertexSW& v0 = vertex[index[0]];
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const GSVertexSW& v1 = vertex[index[1]];
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GSVertexSW dv = v1 - v0;
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GSVector4 dp = dv.p.abs();
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int i = (dp < dp.yxwz()).mask() & 1; // |dx| <= |dy|
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if(m_ds->HasEdge())
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{
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DrawEdge(v0, v1, dv, i, 0);
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DrawEdge(v0, v1, dv, i, 1);
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Flush(vertex, index, GSVertexSW::zero(), true);
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return;
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}
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GSVector4i dpi(dp);
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if(dpi.y == 0)
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{
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if(dpi.x > 0)
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{
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// shortcut for horizontal lines
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GSVector4 mask = (v0.p > v1.p).xxxx();
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GSVertexSW scan;
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scan.p = v0.p.blend32(v1.p, mask);
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scan.t = v0.t.blend32(v1.t, mask);
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scan.c = v0.c.blend32(v1.c, mask);
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GSVector4i p(scan.p);
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if(m_scissor.top <= p.y && p.y < m_scissor.bottom && IsOneOfMyScanlines(p.y))
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{
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GSVector4 lrf = scan.p.upl(v1.p.blend32(v0.p, mask)).ceil();
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GSVector4 l = lrf.max(m_fscissor_x);
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GSVector4 r = lrf.min(m_fscissor_x);
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GSVector4i lr = GSVector4i(l.xxyy(r));
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int left = lr.extract32<0>();
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int right = lr.extract32<2>();
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int pixels = right - left;
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if(pixels > 0)
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{
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GSVertexSW dscan = dv / dv.p.xxxx();
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scan += dscan * (l - scan.p).xxxx();
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m_ds->SetupPrim(vertex, index, dscan);
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DrawScanline(pixels, left, p.y, scan);
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}
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}
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}
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return;
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}
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int steps = dpi.v[i];
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if(steps > 0)
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{
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GSVertexSW edge = v0;
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GSVertexSW dedge = dv / GSVector4(dp.v[i]);
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GSVertexSW* RESTRICT e = m_edge.buff;
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while(1)
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{
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GSVector4i p(edge.p);
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if(m_scissor.left <= p.x && p.x < m_scissor.right && m_scissor.top <= p.y && p.y < m_scissor.bottom)
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{
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if(IsOneOfMyScanlines(p.y))
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{
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AddScanline(e, 1, p.x, p.y, edge);
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e++;
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}
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}
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if(--steps == 0) break;
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edge += dedge;
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}
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m_edge.count = e - m_edge.buff;
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Flush(vertex, index, GSVertexSW::zero());
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}
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}
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static const uint8 s_ysort[8][4] =
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{
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{0, 1, 2, 0}, // y0 <= y1 <= y2
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{1, 0, 2, 0}, // y1 < y0 <= y2
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{0, 0, 0, 0},
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{1, 2, 0, 0}, // y1 <= y2 < y0
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{0, 2, 1, 0}, // y0 <= y2 < y1
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{0, 0, 0, 0},
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{2, 0, 1, 0}, // y2 < y0 <= y1
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{2, 1, 0, 0}, // y2 < y1 < y0
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};
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#if _M_SSE >= 0x501
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void GSRasterizer::DrawTriangle(const GSVertexSW* vertex, const uint32* index)
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{
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GSVertexSW2 dv[3];
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GSVertexSW2 edge;
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GSVertexSW2 dedge;
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GSVertexSW2 dscan;
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GSVector4 y0011 = vertex[index[0]].p.yyyy(vertex[index[1]].p);
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GSVector4 y1221 = vertex[index[1]].p.yyyy(vertex[index[2]].p).xzzx();
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int m1 = (y0011 > y1221).mask() & 7;
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int i[3];
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i[0] = index[s_ysort[m1][0]];
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i[1] = index[s_ysort[m1][1]];
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i[2] = index[s_ysort[m1][2]];
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const GSVertexSW2* _v = (const GSVertexSW2*)vertex;
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const GSVertexSW2& v0 = _v[i[0]];
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const GSVertexSW2& v1 = _v[i[1]];
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const GSVertexSW2& v2 = _v[i[2]];
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y0011 = v0.p.yyyy(v1.p);
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y1221 = v1.p.yyyy(v2.p).xzzx();
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m1 = (y0011 == y1221).mask() & 7;
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// if(i == 0) => y0 < y1 < y2
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// if(i == 1) => y0 == y1 < y2
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// if(i == 4) => y0 < y1 == y2
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if(m1 == 7) return; // y0 == y1 == y2
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GSVector4 tbf = y0011.xzxz(y1221).ceil();
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GSVector4 tbmax = tbf.max(m_fscissor_y);
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GSVector4 tbmin = tbf.min(m_fscissor_y);
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GSVector4i tb = GSVector4i(tbmax.xzyw(tbmin)); // max(y0, t) max(y1, t) min(y1, b) min(y2, b)
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dv[0] = v1 - v0;
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dv[1] = v2 - v0;
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dv[2] = v2 - v1;
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GSVector4 cross = dv[0].p * dv[1].p.yxwz();
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cross = (cross - cross.yxwz()).yyyy(); // select the second component, the negated cross product
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// the longest horizontal span would be cross.x / dv[1].p.y, but we don't need its actual value
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int m2 = cross.upl(cross == GSVector4::zero()).mask();
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if(m2 & 2) return;
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m2 &= 1;
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cross = cross.rcpnr();
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GSVector4 dxy01 = dv[0].p.xyxy(dv[1].p);
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GSVector4 dx = dxy01.xzxy(dv[2].p);
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GSVector4 dy = dxy01.ywyx(dv[2].p);
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GSVector4 ddx[3];
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|
|
||
|
ddx[0] = dx / dy;
|
||
|
ddx[1] = ddx[0].yxzw();
|
||
|
ddx[2] = ddx[0].xzyw();
|
||
|
|
||
|
GSVector8 _dxy01c(dxy01 * cross);
|
||
|
|
||
|
/*
|
||
|
dscan = dv[1] * dxy01c.yyyy() - dv[0] * dxy01c.wwww();
|
||
|
dedge = dv[0] * dxy01c.zzzz() - dv[1] * dxy01c.xxxx();
|
||
|
*/
|
||
|
|
||
|
dscan.p = dv[1].p * _dxy01c.yyyy().extract<0>() - dv[0].p * _dxy01c.wwww().extract<0>();
|
||
|
dscan.tc = dv[1].tc * _dxy01c.yyyy() - dv[0].tc * _dxy01c.wwww();
|
||
|
|
||
|
dedge.p = dv[0].p * _dxy01c.zzzz().extract<0>() - dv[1].p * _dxy01c.xxxx().extract<0>();
|
||
|
dedge.tc = dv[0].tc * _dxy01c.zzzz() - dv[1].tc * _dxy01c.xxxx();
|
||
|
|
||
|
if(m1 & 1)
|
||
|
{
|
||
|
if(tb.y < tb.w)
|
||
|
{
|
||
|
edge = _v[i[1 - m2]];
|
||
|
|
||
|
edge.p = edge.p.insert32<0, 1>(vertex[i[m2]].p);
|
||
|
dedge.p = ddx[2 - (m2 << 1)].yzzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.x, tb.w, edge, dedge, dscan, vertex[i[1 - m2]].p);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(tb.x < tb.z)
|
||
|
{
|
||
|
edge = v0;
|
||
|
|
||
|
edge.p = edge.p.xxzw();
|
||
|
dedge.p = ddx[m2].xyzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.x, tb.z, edge, dedge, dscan, v0.p);
|
||
|
}
|
||
|
|
||
|
if(tb.y < tb.w)
|
||
|
{
|
||
|
edge = v1;
|
||
|
|
||
|
edge.p = (v0.p.xxxx() + ddx[m2] * dv[0].p.yyyy()).xyzw(edge.p);
|
||
|
dedge.p = ddx[2 - (m2 << 1)].yzzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.y, tb.w, edge, dedge, dscan, v1.p);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
Flush(vertex, index, (GSVertexSW&)dscan);
|
||
|
|
||
|
if(m_ds->HasEdge())
|
||
|
{
|
||
|
GSVector4 a = dx.abs() < dy.abs(); // |dx| <= |dy|
|
||
|
GSVector4 b = dx < GSVector4::zero(); // dx < 0
|
||
|
GSVector4 c = cross < GSVector4::zero(); // longest.p.x < 0
|
||
|
|
||
|
int orientation = a.mask();
|
||
|
int side = ((a | b) ^ c).mask() ^ 2; // evil
|
||
|
|
||
|
DrawEdge((GSVertexSW&)v0, (GSVertexSW&)v1, (GSVertexSW&)dv[0], orientation & 1, side & 1);
|
||
|
DrawEdge((GSVertexSW&)v0, (GSVertexSW&)v2, (GSVertexSW&)dv[1], orientation & 2, side & 2);
|
||
|
DrawEdge((GSVertexSW&)v1, (GSVertexSW&)v2, (GSVertexSW&)dv[2], orientation & 4, side & 4);
|
||
|
|
||
|
Flush(vertex, index, GSVertexSW::zero(), true);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::DrawTriangleSection(int top, int bottom, GSVertexSW2& edge, const GSVertexSW2& dedge, const GSVertexSW2& dscan, const GSVector4& p0)
|
||
|
{
|
||
|
ASSERT(top < bottom);
|
||
|
ASSERT(edge.p.x <= edge.p.y);
|
||
|
|
||
|
GSVertexSW* RESTRICT e = &m_edge.buff[m_edge.count];
|
||
|
|
||
|
GSVector4 scissor = m_fscissor_x;
|
||
|
|
||
|
top = FindMyNextScanline(top);
|
||
|
|
||
|
while(top < bottom)
|
||
|
{
|
||
|
GSVector8 dy(GSVector4(top) - p0.yyyy());
|
||
|
|
||
|
GSVertexSW2 scan;
|
||
|
|
||
|
scan.p = edge.p + dedge.p * dy.extract<0>();
|
||
|
|
||
|
GSVector4 lrf = scan.p.ceil();
|
||
|
GSVector4 l = lrf.max(scissor);
|
||
|
GSVector4 r = lrf.min(scissor);
|
||
|
GSVector4i lr = GSVector4i(l.xxyy(r));
|
||
|
|
||
|
int left = lr.extract32<0>();
|
||
|
int right = lr.extract32<2>();
|
||
|
|
||
|
int pixels = right - left;
|
||
|
|
||
|
if(pixels > 0)
|
||
|
{
|
||
|
scan.tc = edge.tc + dedge.tc * dy;
|
||
|
|
||
|
GSVector8 prestep((l - p0).xxxx());
|
||
|
|
||
|
scan.p = scan.p + dscan.p * prestep.extract<0>();
|
||
|
scan.tc = scan.tc + dscan.tc * prestep;
|
||
|
|
||
|
AddScanline(e++, pixels, left, top, (GSVertexSW&)scan);
|
||
|
}
|
||
|
|
||
|
top++;
|
||
|
|
||
|
if(!IsOneOfMyScanlines(top))
|
||
|
{
|
||
|
top += (m_threads - 1) << THREAD_HEIGHT;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
m_edge.count += e - &m_edge.buff[m_edge.count];
|
||
|
}
|
||
|
|
||
|
#else
|
||
|
|
||
|
void GSRasterizer::DrawTriangle(const GSVertexSW* vertex, const uint32* index)
|
||
|
{
|
||
|
GSVertexSW dv[3];
|
||
|
GSVertexSW edge;
|
||
|
GSVertexSW dedge;
|
||
|
GSVertexSW dscan;
|
||
|
|
||
|
GSVector4 y0011 = vertex[index[0]].p.yyyy(vertex[index[1]].p);
|
||
|
GSVector4 y1221 = vertex[index[1]].p.yyyy(vertex[index[2]].p).xzzx();
|
||
|
|
||
|
int m1 = (y0011 > y1221).mask() & 7;
|
||
|
|
||
|
int i[3];
|
||
|
|
||
|
i[0] = index[s_ysort[m1][0]];
|
||
|
i[1] = index[s_ysort[m1][1]];
|
||
|
i[2] = index[s_ysort[m1][2]];
|
||
|
|
||
|
const GSVertexSW& v0 = vertex[i[0]];
|
||
|
const GSVertexSW& v1 = vertex[i[1]];
|
||
|
const GSVertexSW& v2 = vertex[i[2]];
|
||
|
|
||
|
y0011 = v0.p.yyyy(v1.p);
|
||
|
y1221 = v1.p.yyyy(v2.p).xzzx();
|
||
|
|
||
|
m1 = (y0011 == y1221).mask() & 7;
|
||
|
|
||
|
// if(i == 0) => y0 < y1 < y2
|
||
|
// if(i == 1) => y0 == y1 < y2
|
||
|
// if(i == 4) => y0 < y1 == y2
|
||
|
|
||
|
if(m1 == 7) return; // y0 == y1 == y2
|
||
|
|
||
|
GSVector4 tbf = y0011.xzxz(y1221).ceil();
|
||
|
GSVector4 tbmax = tbf.max(m_fscissor_y);
|
||
|
GSVector4 tbmin = tbf.min(m_fscissor_y);
|
||
|
GSVector4i tb = GSVector4i(tbmax.xzyw(tbmin)); // max(y0, t) max(y1, t) min(y1, b) min(y2, b)
|
||
|
|
||
|
dv[0] = v1 - v0;
|
||
|
dv[1] = v2 - v0;
|
||
|
dv[2] = v2 - v1;
|
||
|
|
||
|
GSVector4 cross = dv[0].p * dv[1].p.yxwz();
|
||
|
|
||
|
cross = (cross - cross.yxwz()).yyyy(); // select the second component, the negated cross product
|
||
|
|
||
|
// the longest horizontal span would be cross.x / dv[1].p.y, but we don't need its actual value
|
||
|
|
||
|
int m2 = cross.upl(cross == GSVector4::zero()).mask();
|
||
|
|
||
|
if(m2 & 2) return;
|
||
|
|
||
|
m2 &= 1;
|
||
|
|
||
|
cross = cross.rcpnr();
|
||
|
|
||
|
GSVector4 dxy01 = dv[0].p.xyxy(dv[1].p);
|
||
|
|
||
|
GSVector4 dx = dxy01.xzxy(dv[2].p);
|
||
|
GSVector4 dy = dxy01.ywyx(dv[2].p);
|
||
|
|
||
|
GSVector4 ddx[3];
|
||
|
|
||
|
ddx[0] = dx / dy;
|
||
|
ddx[1] = ddx[0].yxzw();
|
||
|
ddx[2] = ddx[0].xzyw();
|
||
|
|
||
|
GSVector4 dxy01c = dxy01 * cross;
|
||
|
|
||
|
/*
|
||
|
dscan = dv[1] * dxy01c.yyyy() - dv[0] * dxy01c.wwww();
|
||
|
dedge = dv[0] * dxy01c.zzzz() - dv[1] * dxy01c.xxxx();
|
||
|
*/
|
||
|
|
||
|
dscan.p = dv[1].p * dxy01c.yyyy() - dv[0].p * dxy01c.wwww();
|
||
|
dscan.t = dv[1].t * dxy01c.yyyy() - dv[0].t * dxy01c.wwww();
|
||
|
dscan.c = dv[1].c * dxy01c.yyyy() - dv[0].c * dxy01c.wwww();
|
||
|
|
||
|
dedge.p = dv[0].p * dxy01c.zzzz() - dv[1].p * dxy01c.xxxx();
|
||
|
dedge.t = dv[0].t * dxy01c.zzzz() - dv[1].t * dxy01c.xxxx();
|
||
|
dedge.c = dv[0].c * dxy01c.zzzz() - dv[1].c * dxy01c.xxxx();
|
||
|
|
||
|
if(m1 & 1)
|
||
|
{
|
||
|
if(tb.y < tb.w)
|
||
|
{
|
||
|
edge = vertex[i[1 - m2]];
|
||
|
|
||
|
edge.p = edge.p.insert32<0, 1>(vertex[i[m2]].p);
|
||
|
dedge.p = ddx[2 - (m2 << 1)].yzzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.x, tb.w, edge, dedge, dscan, vertex[i[1 - m2]].p);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(tb.x < tb.z)
|
||
|
{
|
||
|
edge = v0;
|
||
|
|
||
|
edge.p = edge.p.xxzw();
|
||
|
dedge.p = ddx[m2].xyzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.x, tb.z, edge, dedge, dscan, v0.p);
|
||
|
}
|
||
|
|
||
|
if(tb.y < tb.w)
|
||
|
{
|
||
|
edge = v1;
|
||
|
|
||
|
edge.p = (v0.p.xxxx() + ddx[m2] * dv[0].p.yyyy()).xyzw(edge.p);
|
||
|
dedge.p = ddx[2 - (m2 << 1)].yzzw(dedge.p);
|
||
|
|
||
|
DrawTriangleSection(tb.y, tb.w, edge, dedge, dscan, v1.p);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
Flush(vertex, index, dscan);
|
||
|
|
||
|
if(m_ds->HasEdge())
|
||
|
{
|
||
|
GSVector4 a = dx.abs() < dy.abs(); // |dx| <= |dy|
|
||
|
GSVector4 b = dx < GSVector4::zero(); // dx < 0
|
||
|
GSVector4 c = cross < GSVector4::zero(); // longest.p.x < 0
|
||
|
|
||
|
int orientation = a.mask();
|
||
|
int side = ((a | b) ^ c).mask() ^ 2; // evil
|
||
|
|
||
|
DrawEdge(v0, v1, dv[0], orientation & 1, side & 1);
|
||
|
DrawEdge(v0, v2, dv[1], orientation & 2, side & 2);
|
||
|
DrawEdge(v1, v2, dv[2], orientation & 4, side & 4);
|
||
|
|
||
|
Flush(vertex, index, GSVertexSW::zero(), true);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::DrawTriangleSection(int top, int bottom, GSVertexSW& edge, const GSVertexSW& dedge, const GSVertexSW& dscan, const GSVector4& p0)
|
||
|
{
|
||
|
ASSERT(top < bottom);
|
||
|
ASSERT(edge.p.x <= edge.p.y);
|
||
|
|
||
|
GSVertexSW* RESTRICT e = &m_edge.buff[m_edge.count];
|
||
|
|
||
|
GSVector4 scissor = m_fscissor_x;
|
||
|
|
||
|
top = FindMyNextScanline(top);
|
||
|
|
||
|
while(top < bottom)
|
||
|
{
|
||
|
GSVector4 dy = GSVector4(top) - p0.yyyy();
|
||
|
|
||
|
GSVertexSW scan;
|
||
|
|
||
|
scan.p = edge.p + dedge.p * dy;
|
||
|
|
||
|
GSVector4 lrf = scan.p.ceil();
|
||
|
GSVector4 l = lrf.max(scissor);
|
||
|
GSVector4 r = lrf.min(scissor);
|
||
|
GSVector4i lr = GSVector4i(l.xxyy(r));
|
||
|
|
||
|
int left = lr.extract32<0>();
|
||
|
int right = lr.extract32<2>();
|
||
|
|
||
|
int pixels = right - left;
|
||
|
|
||
|
if(pixels > 0)
|
||
|
{
|
||
|
scan.t = edge.t + dedge.t * dy;
|
||
|
scan.c = edge.c + dedge.c * dy;
|
||
|
|
||
|
GSVector4 prestep = (l - p0).xxxx();
|
||
|
|
||
|
scan.p = scan.p + dscan.p * prestep;
|
||
|
scan.t = scan.t + dscan.t * prestep;
|
||
|
scan.c = scan.c + dscan.c * prestep;
|
||
|
|
||
|
AddScanline(e++, pixels, left, top, scan);
|
||
|
}
|
||
|
|
||
|
top++;
|
||
|
|
||
|
if(!IsOneOfMyScanlines(top))
|
||
|
{
|
||
|
top += (m_threads - 1) << THREAD_HEIGHT;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
m_edge.count += e - &m_edge.buff[m_edge.count];
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
|
||
|
void GSRasterizer::DrawSprite(const GSVertexSW* vertex, const uint32* index)
|
||
|
{
|
||
|
const GSVertexSW& v0 = vertex[index[0]];
|
||
|
const GSVertexSW& v1 = vertex[index[1]];
|
||
|
|
||
|
GSVector4 mask = (v0.p < v1.p).xyzw(GSVector4::zero());
|
||
|
|
||
|
GSVertexSW v[2];
|
||
|
|
||
|
v[0].p = v1.p.blend32(v0.p, mask);
|
||
|
v[0].t = v1.t.blend32(v0.t, mask);
|
||
|
v[0].c = v1.c;
|
||
|
|
||
|
v[1].p = v0.p.blend32(v1.p, mask);
|
||
|
v[1].t = v0.t.blend32(v1.t, mask);
|
||
|
|
||
|
GSVector4i r(v[0].p.xyxy(v[1].p).ceil());
|
||
|
|
||
|
r = r.rintersect(m_scissor);
|
||
|
|
||
|
if(r.rempty()) return;
|
||
|
|
||
|
GSVertexSW scan = v[0];
|
||
|
|
||
|
if(m_ds->IsSolidRect())
|
||
|
{
|
||
|
if(m_threads == 1)
|
||
|
{
|
||
|
m_ds->DrawRect(r, scan);
|
||
|
|
||
|
int pixels = r.width() * r.height();
|
||
|
|
||
|
m_pixels.actual += pixels;
|
||
|
m_pixels.total += pixels;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
int top = FindMyNextScanline(r.top);
|
||
|
int bottom = r.bottom;
|
||
|
|
||
|
while(top < bottom)
|
||
|
{
|
||
|
r.top = top;
|
||
|
r.bottom = std::min<int>((top + (1 << THREAD_HEIGHT)) & ~((1 << THREAD_HEIGHT) - 1), bottom);
|
||
|
|
||
|
m_ds->DrawRect(r, scan);
|
||
|
|
||
|
int pixels = r.width() * r.height();
|
||
|
|
||
|
m_pixels.actual += pixels;
|
||
|
m_pixels.total += pixels;
|
||
|
|
||
|
top = r.bottom + ((m_threads - 1) << THREAD_HEIGHT);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
GSVertexSW dv = v[1] - v[0];
|
||
|
|
||
|
GSVector4 dt = dv.t / dv.p.xyxy();
|
||
|
|
||
|
GSVertexSW dedge;
|
||
|
GSVertexSW dscan;
|
||
|
|
||
|
dedge.t = GSVector4::zero().insert32<1, 1>(dt);
|
||
|
dscan.t = GSVector4::zero().insert32<0, 0>(dt);
|
||
|
|
||
|
GSVector4 prestep = GSVector4(r.left, r.top) - scan.p;
|
||
|
|
||
|
int m = (prestep == GSVector4::zero()).mask();
|
||
|
|
||
|
if((m & 2) == 0) scan.t += dedge.t * prestep.yyyy();
|
||
|
if((m & 1) == 0) scan.t += dscan.t * prestep.xxxx();
|
||
|
|
||
|
m_ds->SetupPrim(vertex, index, dscan);
|
||
|
|
||
|
while(1)
|
||
|
{
|
||
|
if(IsOneOfMyScanlines(r.top))
|
||
|
{
|
||
|
DrawScanline(r.width(), r.left, r.top, scan);
|
||
|
}
|
||
|
|
||
|
if(++r.top >= r.bottom) break;
|
||
|
|
||
|
scan.t += dedge.t;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::DrawEdge(const GSVertexSW& v0, const GSVertexSW& v1, const GSVertexSW& dv, int orientation, int side)
|
||
|
{
|
||
|
// orientation:
|
||
|
// - true: |dv.p.y| > |dv.p.x|
|
||
|
// - false |dv.p.x| > |dv.p.y|
|
||
|
// side:
|
||
|
// - true: top/left edge
|
||
|
// - false: bottom/right edge
|
||
|
|
||
|
// TODO: bit slow and too much duplicated code
|
||
|
// TODO: inner pre-step is still missing (hardly noticable)
|
||
|
// TODO: it does not always line up with the edge of the surrounded triangle
|
||
|
|
||
|
GSVertexSW* RESTRICT e = &m_edge.buff[m_edge.count];
|
||
|
|
||
|
if(orientation)
|
||
|
{
|
||
|
GSVector4 tbf = v0.p.yyyy(v1.p).ceil(); // t t b b
|
||
|
GSVector4 tbmax = tbf.max(m_fscissor_y); // max(t, st) max(t, sb) max(b, st) max(b, sb)
|
||
|
GSVector4 tbmin = tbf.min(m_fscissor_y); // min(t, st) min(t, sb) min(b, st) min(b, sb)
|
||
|
GSVector4i tb = GSVector4i(tbmax.xzyw(tbmin)); // max(t, st) max(b, sb) min(t, st) min(b, sb)
|
||
|
|
||
|
int top, bottom;
|
||
|
|
||
|
GSVertexSW edge, dedge;
|
||
|
|
||
|
if((dv.p >= GSVector4::zero()).mask() & 2)
|
||
|
{
|
||
|
top = tb.extract32<0>(); // max(t, st)
|
||
|
bottom = tb.extract32<3>(); // min(b, sb)
|
||
|
|
||
|
if(top >= bottom) return;
|
||
|
|
||
|
edge = v0;
|
||
|
dedge = dv / dv.p.yyyy();
|
||
|
|
||
|
edge += dedge * (tbmax.xxxx() - edge.p.yyyy());
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
top = tb.extract32<1>(); // max(b, st)
|
||
|
bottom = tb.extract32<2>(); // min(t, sb)
|
||
|
|
||
|
if(top >= bottom) return;
|
||
|
|
||
|
edge = v1;
|
||
|
dedge = dv / dv.p.yyyy();
|
||
|
|
||
|
edge += dedge * (tbmax.zzzz() - edge.p.yyyy());
|
||
|
}
|
||
|
|
||
|
GSVector4i p = GSVector4i(edge.p.upl(dedge.p) * 0x10000);
|
||
|
|
||
|
int x = p.extract32<0>();
|
||
|
int dx = p.extract32<1>();
|
||
|
|
||
|
if(side)
|
||
|
{
|
||
|
while(1)
|
||
|
{
|
||
|
int xi = x >> 16;
|
||
|
int xf = x & 0xffff;
|
||
|
|
||
|
if(m_scissor.left <= xi && xi < m_scissor.right && IsOneOfMyScanlines(top))
|
||
|
{
|
||
|
AddScanline(e, 1, xi, top, edge);
|
||
|
|
||
|
e->t.u32[3] = (0x10000 - xf) & 0xffff;
|
||
|
|
||
|
e++;
|
||
|
}
|
||
|
|
||
|
if(++top >= bottom) break;
|
||
|
|
||
|
edge += dedge;
|
||
|
x += dx;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
while(1)
|
||
|
{
|
||
|
int xi = (x >> 16) + 1;
|
||
|
int xf = x & 0xffff;
|
||
|
|
||
|
if(m_scissor.left <= xi && xi < m_scissor.right && IsOneOfMyScanlines(top))
|
||
|
{
|
||
|
AddScanline(e, 1, xi, top, edge);
|
||
|
|
||
|
e->t.u32[3] = xf;
|
||
|
|
||
|
e++;
|
||
|
}
|
||
|
|
||
|
if(++top >= bottom) break;
|
||
|
|
||
|
edge += dedge;
|
||
|
x += dx;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
GSVector4 lrf = v0.p.xxxx(v1.p).ceil(); // l l r r
|
||
|
GSVector4 lrmax = lrf.max(m_fscissor_x); // max(l, sl) max(l, sr) max(r, sl) max(r, sr)
|
||
|
GSVector4 lrmin = lrf.min(m_fscissor_x); // min(l, sl) min(l, sr) min(r, sl) min(r, sr)
|
||
|
GSVector4i lr = GSVector4i(lrmax.xzyw(lrmin)); // max(l, sl) max(r, sl) min(l, sr) min(r, sr)
|
||
|
|
||
|
int left, right;
|
||
|
|
||
|
GSVertexSW edge, dedge;
|
||
|
|
||
|
if((dv.p >= GSVector4::zero()).mask() & 1)
|
||
|
{
|
||
|
left = lr.extract32<0>(); // max(l, sl)
|
||
|
right = lr.extract32<3>(); // min(r, sr)
|
||
|
|
||
|
if(left >= right) return;
|
||
|
|
||
|
edge = v0;
|
||
|
dedge = dv / dv.p.xxxx();
|
||
|
|
||
|
edge += dedge * (lrmax.xxxx() - edge.p.xxxx());
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
left = lr.extract32<1>(); // max(r, sl)
|
||
|
right = lr.extract32<2>(); // min(l, sr)
|
||
|
|
||
|
if(left >= right) return;
|
||
|
|
||
|
edge = v1;
|
||
|
dedge = dv / dv.p.xxxx();
|
||
|
|
||
|
edge += dedge * (lrmax.zzzz() - edge.p.xxxx());
|
||
|
}
|
||
|
|
||
|
GSVector4i p = GSVector4i(edge.p.upl(dedge.p) * 0x10000);
|
||
|
|
||
|
int y = p.extract32<2>();
|
||
|
int dy = p.extract32<3>();
|
||
|
|
||
|
if(side)
|
||
|
{
|
||
|
while(1)
|
||
|
{
|
||
|
int yi = y >> 16;
|
||
|
int yf = y & 0xffff;
|
||
|
|
||
|
if(m_scissor.top <= yi && yi < m_scissor.bottom && IsOneOfMyScanlines(yi))
|
||
|
{
|
||
|
AddScanline(e, 1, left, yi, edge);
|
||
|
|
||
|
e->t.u32[3] = (0x10000 - yf) & 0xffff;
|
||
|
|
||
|
e++;
|
||
|
}
|
||
|
|
||
|
if(++left >= right) break;
|
||
|
|
||
|
edge += dedge;
|
||
|
y += dy;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
while(1)
|
||
|
{
|
||
|
int yi = (y >> 16) + 1;
|
||
|
int yf = y & 0xffff;
|
||
|
|
||
|
if(m_scissor.top <= yi && yi < m_scissor.bottom && IsOneOfMyScanlines(yi))
|
||
|
{
|
||
|
AddScanline(e, 1, left, yi, edge);
|
||
|
|
||
|
e->t.u32[3] = yf;
|
||
|
|
||
|
e++;
|
||
|
}
|
||
|
|
||
|
if(++left >= right) break;
|
||
|
|
||
|
edge += dedge;
|
||
|
y += dy;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
m_edge.count += e - &m_edge.buff[m_edge.count];
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::AddScanline(GSVertexSW* e, int pixels, int left, int top, const GSVertexSW& scan)
|
||
|
{
|
||
|
*e = scan;
|
||
|
|
||
|
e->_pad.i32[0] = pixels;
|
||
|
e->_pad.i32[1] = left;
|
||
|
e->_pad.i32[2] = top;
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::Flush(const GSVertexSW* vertex, const uint32* index, const GSVertexSW& dscan, bool edge)
|
||
|
{
|
||
|
// TODO: on win64 this could be the place where xmm6-15 are preserved (not by each DrawScanline)
|
||
|
|
||
|
int count = m_edge.count;
|
||
|
|
||
|
if(count > 0)
|
||
|
{
|
||
|
m_ds->SetupPrim(vertex, index, dscan);
|
||
|
|
||
|
const GSVertexSW* RESTRICT e = m_edge.buff;
|
||
|
const GSVertexSW* RESTRICT ee = e + count;
|
||
|
|
||
|
if(!edge)
|
||
|
{
|
||
|
do
|
||
|
{
|
||
|
int pixels = e->_pad.i32[0];
|
||
|
int left = e->_pad.i32[1];
|
||
|
int top = e->_pad.i32[2];
|
||
|
|
||
|
DrawScanline(pixels, left, top, *e++);
|
||
|
}
|
||
|
while(e < ee);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
do
|
||
|
{
|
||
|
int pixels = e->_pad.i32[0];
|
||
|
int left = e->_pad.i32[1];
|
||
|
int top = e->_pad.i32[2];
|
||
|
|
||
|
DrawEdge(pixels, left, top, *e++);
|
||
|
}
|
||
|
while(e < ee);
|
||
|
}
|
||
|
|
||
|
m_edge.count = 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#if _M_SSE >= 0x501
|
||
|
#define PIXELS_PER_LOOP 8
|
||
|
#else
|
||
|
#define PIXELS_PER_LOOP 4
|
||
|
#endif
|
||
|
|
||
|
void GSRasterizer::DrawScanline(int pixels, int left, int top, const GSVertexSW& scan)
|
||
|
{
|
||
|
m_pixels.actual += pixels;
|
||
|
m_pixels.total += ((left + pixels + (PIXELS_PER_LOOP - 1)) & ~(PIXELS_PER_LOOP - 1)) - (left & (PIXELS_PER_LOOP - 1));
|
||
|
//m_pixels.total += ((left + pixels + (PIXELS_PER_LOOP - 1)) & ~(PIXELS_PER_LOOP - 1)) - left;
|
||
|
|
||
|
ASSERT(m_pixels.actual <= m_pixels.total);
|
||
|
|
||
|
m_ds->DrawScanline(pixels, left, top, scan);
|
||
|
}
|
||
|
|
||
|
void GSRasterizer::DrawEdge(int pixels, int left, int top, const GSVertexSW& scan)
|
||
|
{
|
||
|
m_pixels.actual += 1;
|
||
|
m_pixels.total += PIXELS_PER_LOOP - 1;
|
||
|
|
||
|
ASSERT(m_pixels.actual <= m_pixels.total);
|
||
|
|
||
|
m_ds->DrawEdge(pixels, left, top, scan);
|
||
|
}
|
||
|
|
||
|
//
|
||
|
|
||
|
GSRasterizerList::GSRasterizerList(int threads, GSPerfMon* perfmon)
|
||
|
: m_perfmon(perfmon)
|
||
|
{
|
||
|
m_scanline = (uint8*)_aligned_malloc((2048 >> THREAD_HEIGHT) + 16, 64);
|
||
|
|
||
|
int row = 0;
|
||
|
|
||
|
while(row < (2048 >> THREAD_HEIGHT))
|
||
|
{
|
||
|
for(int i = 0; i < threads; i++, row++)
|
||
|
{
|
||
|
m_scanline[row] = (uint8)i;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
GSRasterizerList::~GSRasterizerList()
|
||
|
{
|
||
|
for(auto i = m_workers.begin(); i != m_workers.end(); i++)
|
||
|
{
|
||
|
delete *i;
|
||
|
}
|
||
|
|
||
|
_aligned_free(m_scanline);
|
||
|
}
|
||
|
|
||
|
void GSRasterizerList::Queue(const shared_ptr<GSRasterizerData>& data)
|
||
|
{
|
||
|
GSVector4i r = data->bbox.rintersect(data->scissor);
|
||
|
|
||
|
ASSERT(r.top >= 0 && r.top < 2048 && r.bottom >= 0 && r.bottom < 2048);
|
||
|
|
||
|
int top = r.top >> THREAD_HEIGHT;
|
||
|
int bottom = std::min<int>((r.bottom + (1 << THREAD_HEIGHT) - 1) >> THREAD_HEIGHT, top + m_workers.size());
|
||
|
|
||
|
while(top < bottom)
|
||
|
{
|
||
|
m_workers[m_scanline[top++]]->Push(data);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void GSRasterizerList::Sync()
|
||
|
{
|
||
|
if(!IsSynced())
|
||
|
{
|
||
|
for(size_t i = 0; i < m_workers.size(); i++)
|
||
|
{
|
||
|
m_workers[i]->Wait();
|
||
|
}
|
||
|
|
||
|
m_perfmon->Put(GSPerfMon::SyncPoint, 1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool GSRasterizerList::IsSynced() const
|
||
|
{
|
||
|
for(size_t i = 0; i < m_workers.size(); i++)
|
||
|
{
|
||
|
if(!m_workers[i]->IsEmpty())
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
int GSRasterizerList::GetPixels(bool reset)
|
||
|
{
|
||
|
int pixels = 0;
|
||
|
|
||
|
for(size_t i = 0; i < m_workers.size(); i++)
|
||
|
{
|
||
|
pixels += m_workers[i]->GetPixels(reset);
|
||
|
}
|
||
|
|
||
|
return pixels;
|
||
|
}
|
||
|
|
||
|
// GSRasterizerList::GSWorker
|
||
|
|
||
|
GSRasterizerList::GSWorker::GSWorker(GSRasterizer* r)
|
||
|
: GSJobQueue<shared_ptr<GSRasterizerData>, 256>()
|
||
|
, m_r(r)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
GSRasterizerList::GSWorker::~GSWorker()
|
||
|
{
|
||
|
Wait();
|
||
|
|
||
|
delete m_r;
|
||
|
}
|
||
|
|
||
|
int GSRasterizerList::GSWorker::GetPixels(bool reset)
|
||
|
{
|
||
|
return m_r->GetPixels(reset);
|
||
|
}
|
||
|
|
||
|
void GSRasterizerList::GSWorker::Process(shared_ptr<GSRasterizerData>& item)
|
||
|
{
|
||
|
m_r->Draw(item.get());
|
||
|
}
|