52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "clipper.h"
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#include "pica.h"
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#include "primitive_assembly.h"
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#include "vertex_shader.h"
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namespace Pica {
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namespace PrimitiveAssembly {
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static OutputVertex buffer[2];
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static int buffer_index = 0; // TODO: reset this on emulation restart
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void SubmitVertex(OutputVertex& vtx)
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{
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switch (registers.triangle_topology) {
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case Regs::TriangleTopology::List:
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case Regs::TriangleTopology::ListIndexed:
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if (buffer_index < 2) {
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buffer[buffer_index++] = vtx;
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} else {
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buffer_index = 0;
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Clipper::ProcessTriangle(buffer[0], buffer[1], vtx);
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}
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break;
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case Regs::TriangleTopology::Fan:
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if (buffer_index == 2) {
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buffer_index = 0;
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Clipper::ProcessTriangle(buffer[0], buffer[1], vtx);
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buffer[1] = vtx;
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} else {
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buffer[buffer_index++] = vtx;
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}
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break;
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default:
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ERROR_LOG(GPU, "Unknown triangle mode %x:", (int)registers.triangle_topology.Value());
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break;
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}
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}
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} // namespace
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} // namespace
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